Added terrain editing tool.

This commit is contained in:
Justin Marshall
2026-05-28 17:15:52 -07:00
parent 05d547a27b
commit e4c87fd5a4
91 changed files with 21538 additions and 199 deletions
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@@ -304,7 +304,7 @@ raytraceSurface { flags 0 area 0 averageColor ( 0.598469913 0.2692296207 0.14538
398 392 395 398 397 399 400 401 402 400 402 403 404 403 402 404 405 406
404 402 405 407 404 406 407 406 401 407 401 400 408 409 410 411 409 408
412 411 408 413 408 410 413 410 414 415 413 414 415 414 411 415 411 412
raytraceSurface { flags 0 area 0 averageColor ( 0.0069852942 0.0334087573 0.0969551355 0.0984445289 ) emissive ( 0 0 0 0 ) bounds ( -2619.1875 -2888.8125 112 3291.1875 2752.8125 164 ) }
raytraceSurface { flags 0 area 0 averageColor ( 0.8039238453 0.8039238453 0.8039238453 0.8039238453 ) emissive ( 0 0 0 0 ) bounds ( -2619.1875 -2888.8125 112 3291.1875 2752.8125 164 ) }
}
/* surface 2 */ { "textures/base_wall/steel" /* numVerts = */ 1728 /* numIndexes = */ 2592
+2 -2
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@@ -3956,13 +3956,13 @@ Version 2
"classname" "light"
"origin" "-3200 3336 3360"
"name" "light_1"
"_color" "0.949 0.627 0.510"
"_color" "0.949 0.627 0.51"
"light_radius" "300000 300000 300000"
}
// entity 2
{
"classname" "info_player_start"
"origin" "-4548 -2616 8"
"origin" "-3764 -2592 64"
"name" "info_player_start_1"
}
// entity 3
+338
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@@ -0,0 +1,338 @@
terrainAuthoring 3 {
terrain {
name "terrain_1"
material "textures/common/caulk"
layer 0 "textures/common/caulk"
layer 1 "textures/rock/skysand1"
origin ( -20936 -19008 0 )
size 65 65
cellSize 512
paintSize 257 257
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+1 -1
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@@ -89,7 +89,7 @@ public:
virtual ~idCollisionModelManager( void ) {}
// Loads collision models from a map file.
virtual void LoadMap( const idMapFile *mapFile ) = 0;
virtual void LoadMap( const idMapFile *mapFile, bool bakeTerrain = false ) = 0;
// Frees all the collision models.
virtual void FreeMap( void ) = 0;
+184 -8
View File
@@ -49,6 +49,7 @@ If you have questions concerning this license or the applicable additional terms
#pragma hdrstop
#include "CollisionModel_local.h"
#include "../models/TerrainModel.h"
idCollisionModelManagerLocal collisionModelManagerLocal;
@@ -2577,6 +2578,160 @@ void idCollisionModelManagerLocal::CreatePatchPolygons( cm_model_t *model, idSur
}
}
/*
=================
idCollisionModelManagerLocal::CreateTerrainPolygons
=================
*/
void idCollisionModelManagerLocal::CreateTerrainPolygons( cm_model_t *model, const idTerrainPatch &terrain, const idMaterial *material, int primitiveNum ) {
int x, y;
float dot;
idFixedWinding w;
idPlane plane;
idVec3 d1, d2;
idVec3 v1, v2, v3, v4;
for ( y = 0; y < terrain.height - 1; y++ ) {
for ( x = 0; x < terrain.width - 1; x++ ) {
v1 = terrain.Vertex( x, y );
v2 = terrain.Vertex( x + 1, y );
v3 = terrain.Vertex( x + 1, y + 1 );
v4 = terrain.Vertex( x, y + 1 );
d1 = v2 - v1;
d2 = v3 - v1;
plane.SetNormal( d1.Cross( d2 ) );
if ( plane.Normalize() != 0.0f ) {
plane.FitThroughPoint( v1 );
dot = plane.Distance( v4 );
if ( idMath::Fabs( dot ) < 0.1f ) {
w.Clear();
w += v1;
w += v2;
w += v3;
w += v4;
PolygonFromWinding( model, &w, plane, material, -primitiveNum );
continue;
} else {
w.Clear();
w += v1;
w += v2;
w += v3;
PolygonFromWinding( model, &w, plane, material, -primitiveNum );
}
}
d1 = v3 - v1;
d2 = v4 - v1;
plane.SetNormal( d1.Cross( d2 ) );
if ( plane.Normalize() != 0.0f ) {
plane.FitThroughPoint( v1 );
w.Clear();
w += v1;
w += v3;
w += v4;
PolygonFromWinding( model, &w, plane, material, -primitiveNum );
}
}
}
}
/*
=================
idCollisionModelManagerLocal::LoadTerrainForMap
=================
*/
bool idCollisionModelManagerLocal::LoadTerrainForMap( const idMapFile *mapFile, idTerrainModel &terrainModel ) {
if ( !mapFile ) {
return false;
}
idStr terrainFile = idTerrainModel::FileNameForMap( mapFile->GetName() );
ID_TIME_T terrainTimeStamp;
fileSystem->ReadFile( terrainFile, NULL, &terrainTimeStamp );
if ( terrainTimeStamp == FILE_NOT_FOUND_TIMESTAMP ) {
return false;
}
if ( !terrainModel.LoadFile( terrainFile.c_str(), "textures/common/caulk" ) ) {
common->Warning( "idCollisionModelManagerLocal::LoadTerrainForMap: failed to load %s", terrainFile.c_str() );
return false;
}
for ( int i = 0; i < terrainModel.NumTerrains(); i++ ) {
idTerrainPatch *terrain = terrainModel.Terrain( i );
if ( !terrain ) {
continue;
}
terrain->EnsureLayerData( "textures/common/caulk" );
terrain->UpdateBounds();
}
return terrainModel.NumTerrains() > 0;
}
/*
=================
CM_EstimateTerrainVertsAndEdges
=================
*/
static void CM_EstimateTerrainVertsAndEdges( const idTerrainModel &terrainModel, int *numVerts, int *numEdges ) {
for ( int i = 0; i < terrainModel.NumTerrains(); i++ ) {
const idTerrainPatch *terrain = terrainModel.Terrain( i );
if ( !terrain || terrain->width < 2 || terrain->height < 2 ) {
continue;
}
*numVerts += terrain->width * terrain->height;
*numEdges += ( terrain->width - 1 ) * terrain->height + terrain->width * ( terrain->height - 1 ) + ( terrain->width - 1 ) * ( terrain->height - 1 );
}
}
/*
=================
CM_AddTerrainBounds
=================
*/
static void CM_AddTerrainBounds( idBounds &bounds, const idTerrainModel &terrainModel ) {
for ( int i = 0; i < terrainModel.NumTerrains(); i++ ) {
const idTerrainPatch *terrain = terrainModel.Terrain( i );
if ( !terrain ) {
continue;
}
bounds.AddPoint( terrain->bounds[0] );
bounds.AddPoint( terrain->bounds[1] );
}
}
/*
=================
idCollisionModelManagerLocal::AddTerrainToModel
=================
*/
int idCollisionModelManagerLocal::AddTerrainToModel( cm_model_t *model, idTerrainModel &terrainModel ) {
static const int TERRAIN_COLLISION_PRIMITIVE_BASE = 1000000;
const idMaterial *solidMaterial = declManager->FindMaterial( "textures/common/caulk" );
const int startPolygons = model->numPolygons;
for ( int i = 0; i < terrainModel.NumTerrains(); i++ ) {
idTerrainPatch *terrain = terrainModel.Terrain( i );
if ( !terrain ) {
continue;
}
terrain->EnsureLayerData( "textures/common/caulk" );
const idMaterial *material = declManager->FindMaterial( terrain->material.c_str() );
if ( !( material->GetContentFlags() & CONTENTS_REMOVE_UTIL ) ) {
material = solidMaterial;
}
CreateTerrainPolygons( model, *terrain, material, TERRAIN_COLLISION_PRIMITIVE_BASE + i );
}
return model->numPolygons - startPolygons;
}
/*
=================
CM_EstimateVertsAndEdges
@@ -3077,14 +3232,16 @@ cm_model_t *idCollisionModelManagerLocal::LoadRenderModel( const char *fileName
idCollisionModelManagerLocal::CollisionModelForMapEntity
================
*/
cm_model_t *idCollisionModelManagerLocal::CollisionModelForMapEntity( const idMapEntity *mapEnt ) {
cm_model_t *idCollisionModelManagerLocal::CollisionModelForMapEntity( const idMapEntity *mapEnt, const idMapFile *mapFile, bool bakeTerrain ) {
cm_model_t *model;
idBounds bounds;
const char *name;
int i, brushCount;
idTerrainModel terrainModel;
const bool addTerrain = bakeTerrain && LoadTerrainForMap( mapFile, terrainModel );
// if the entity has no primitives
if ( mapEnt->GetNumPrimitives() < 1 ) {
if ( mapEnt->GetNumPrimitives() < 1 && !addTerrain ) {
return NULL;
}
@@ -3107,6 +3264,15 @@ cm_model_t *idCollisionModelManagerLocal::CollisionModelForMapEntity( const idMa
model->node = AllocNode( model, NODE_BLOCK_SIZE_SMALL );
CM_EstimateVertsAndEdges( mapEnt, &model->maxVertices, &model->maxEdges );
if ( addTerrain ) {
CM_EstimateTerrainVertsAndEdges( terrainModel, &model->maxVertices, &model->maxEdges );
}
if ( model->maxVertices < 1 ) {
model->maxVertices = 1;
}
if ( model->maxEdges < 2 ) {
model->maxEdges = 2;
}
model->numVertices = 0;
model->numEdges = 0;
model->vertices = (cm_vertex_t *) Mem_ClearedAlloc( model->maxVertices * sizeof(cm_vertex_t) );
@@ -3141,6 +3307,12 @@ cm_model_t *idCollisionModelManagerLocal::CollisionModelForMapEntity( const idMa
if ( brushCount ) {
CM_GetNodeBounds( &bounds, model->node );
} else {
bounds.Clear();
}
if ( addTerrain ) {
CM_AddTerrainBounds( bounds, terrainModel );
}
if ( bounds.IsCleared() ) {
bounds[0].Set( -256, -256, -256 );
bounds[1].Set( 256, 256, 256 );
}
@@ -3162,6 +3334,10 @@ cm_model_t *idCollisionModelManagerLocal::CollisionModelForMapEntity( const idMa
continue;
}
}
if ( addTerrain ) {
const int addedPolygons = AddTerrainToModel( model, terrainModel );
common->Printf( "baked %i terrain collision polygons into %s\n", addedPolygons, model->name.c_str() );
}
FinishModel( model );
@@ -3283,14 +3459,14 @@ void idCollisionModelManagerLocal::ListModels( void ) {
idCollisionModelManagerLocal::BuildModels
================
*/
void idCollisionModelManagerLocal::BuildModels( const idMapFile *mapFile ) {
void idCollisionModelManagerLocal::BuildModels( const idMapFile *mapFile, bool bakeTerrain ) {
int i;
const idMapEntity *mapEnt;
idTimer timer;
timer.Start();
if ( !LoadCollisionModelFile( mapFile->GetName(), mapFile->GetGeometryCRC() ) ) {
if ( bakeTerrain || !LoadCollisionModelFile( mapFile->GetName(), mapFile->GetGeometryCRC() ) ) {
if ( !mapFile->GetNumEntities() ) {
return;
@@ -3307,7 +3483,7 @@ void idCollisionModelManagerLocal::BuildModels( const idMapFile *mapFile ) {
common->Error( "idCollisionModelManagerLocal::BuildModels: more than %d collision models", MAX_SUBMODELS );
break;
}
models[numModels] = CollisionModelForMapEntity( mapEnt );
models[numModels] = CollisionModelForMapEntity( mapEnt, mapFile, bakeTerrain && numModels == 0 );
if ( models[ numModels] ) {
numModels++;
}
@@ -3338,7 +3514,7 @@ void idCollisionModelManagerLocal::BuildModels( const idMapFile *mapFile ) {
idCollisionModelManagerLocal::LoadMap
================
*/
void idCollisionModelManagerLocal::LoadMap( const idMapFile *mapFile ) {
void idCollisionModelManagerLocal::LoadMap( const idMapFile *mapFile, bool bakeTerrain ) {
if ( mapFile == NULL ) {
common->Error( "idCollisionModelManagerLocal::LoadMap: NULL mapFile" );
@@ -3347,7 +3523,7 @@ void idCollisionModelManagerLocal::LoadMap( const idMapFile *mapFile ) {
// check whether we can keep the current collision map based on the mapName and mapFileTime
if ( loaded ) {
if ( mapName.Icmp( mapFile->GetName() ) == 0 ) {
if ( mapFile->GetFileTime() == mapFileTime ) {
if ( !bakeTerrain && mapFile->GetFileTime() == mapFileTime ) {
common->DPrintf( "Using loaded version\n" );
return;
}
@@ -3371,7 +3547,7 @@ void idCollisionModelManagerLocal::LoadMap( const idMapFile *mapFile ) {
SetupTrmModelStructure();
// build collision models
BuildModels( mapFile );
BuildModels( mapFile, bakeTerrain );
// save name and time stamp
mapName = mapFile->GetName();
+9 -3
View File
@@ -36,6 +36,9 @@ If you have questions concerning this license or the applicable additional terms
#include "CollisionModel.h"
class idTerrainModel;
class idTerrainPatch;
#define MIN_NODE_SIZE 64.0f
#define MAX_NODE_POLYGONS 128
#define CM_MAX_POLYGON_EDGES 64
@@ -293,7 +296,7 @@ typedef struct cm_procNode_s {
class idCollisionModelManagerLocal : public idCollisionModelManager {
public:
// load collision models from a map file
void LoadMap( const idMapFile *mapFile );
void LoadMap( const idMapFile *mapFile, bool bakeTerrain = false );
// frees all the collision models
void FreeMap( void );
@@ -458,6 +461,9 @@ private: // CollisionMap_load.cpp
void PolygonFromWinding( cm_model_t *model, idFixedWinding *w, const idPlane &plane, const idMaterial *material, int primitiveNum );
void CalculateEdgeNormals( cm_model_t *model, cm_node_t *node );
void CreatePatchPolygons( cm_model_t *model, idSurface_Patch &mesh, const idMaterial *material, int primitiveNum );
void CreateTerrainPolygons( cm_model_t *model, const idTerrainPatch &terrain, const idMaterial *material, int primitiveNum );
bool LoadTerrainForMap( const idMapFile *mapFile, idTerrainModel &terrainModel );
int AddTerrainToModel( cm_model_t *model, idTerrainModel &terrainModel );
void ConvertPatch( cm_model_t *model, const idMapPatch *patch, int primitiveNum );
void ConvertBrushSides( cm_model_t *model, const idMapBrush *mapBrush, int primitiveNum );
void ConvertBrush( cm_model_t *model, const idMapBrush *mapBrush, int primitiveNum );
@@ -466,9 +472,9 @@ private: // CollisionMap_load.cpp
void RemapEdges( cm_node_t *node, int *edgeRemap );
void OptimizeArrays( cm_model_t *model );
void FinishModel( cm_model_t *model );
void BuildModels( const idMapFile *mapFile );
void BuildModels( const idMapFile *mapFile, bool bakeTerrain );
cmHandle_t FindModel( const char *name );
cm_model_t * CollisionModelForMapEntity( const idMapEntity *mapEnt ); // brush/patch model from .map
cm_model_t * CollisionModelForMapEntity( const idMapEntity *mapEnt, const idMapFile *mapFile = NULL, bool bakeTerrain = false ); // brush/patch model from .map
cm_model_t * LoadRenderModel( const char *fileName ); // ASE/LWO models
bool TrmFromModel_r( idTraceModel &trm, cm_node_t *node );
bool TrmFromModel( const cm_model_t *model, idTraceModel &trm );
+14
View File
@@ -402,6 +402,7 @@
<ClInclude Include="models\ModelDecal.h" />
<ClInclude Include="models\ModelManager.h" />
<ClInclude Include="models\ModelOverlay.h" />
<ClInclude Include="models\TerrainModel.h" />
<ClInclude Include="renderer\RenderSystem.h" />
<ClInclude Include="renderer\RenderWorld.h" />
<ClInclude Include="renderer\RenderWorld_local.h" />
@@ -1326,6 +1327,11 @@
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Dedicated Debug|x64'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Dedicated Release|x64'">true</ExcludedFromBuild>
</CustomBuildStep>
<CustomBuildStep Include="tools\radiant\Terrain.h">
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Dedicated Debug with inlines|x64'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Dedicated Debug|x64'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Dedicated Release|x64'">true</ExcludedFromBuild>
</CustomBuildStep>
<CustomBuildStep Include="tools\radiant\Textures.h">
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Dedicated Debug with inlines|x64'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Dedicated Debug|x64'">true</ExcludedFromBuild>
@@ -1584,6 +1590,7 @@
<ClCompile Include="renderer\DeviceContext.cpp" />
<ClCompile Include="renderer\draw_common.cpp" />
<ClCompile Include="renderer\draw_dx.cpp" />
<ClCompile Include="renderer\draw_terrain.cpp" />
<ClCompile Include="renderer\GuiModel.cpp" />
<ClCompile Include="renderer\Image_files.cpp" />
<ClCompile Include="renderer\Image_init.cpp" />
@@ -1604,6 +1611,7 @@
<ClCompile Include="models\ModelDecal.cpp" />
<ClCompile Include="models\ModelManager.cpp" />
<ClCompile Include="models\ModelOverlay.cpp" />
<ClCompile Include="models\TerrainModel.cpp" />
<ClCompile Include="renderer\RenderEntity.cpp" />
<ClCompile Include="renderer\RenderSystem.cpp" />
<ClCompile Include="renderer\RenderSystem_init.cpp" />
@@ -1611,6 +1619,7 @@
<ClCompile Include="renderer\RenderWorld_demo.cpp" />
<ClCompile Include="renderer\RenderWorld_load.cpp" />
<ClCompile Include="renderer\RenderWorld_portals.cpp" />
<ClCompile Include="renderer\RenderWorld_terrain.cpp" />
<ClCompile Include="renderer\tr_backend.cpp" />
<ClCompile Include="renderer\tr_deform.cpp" />
<ClCompile Include="renderer\tr_font.cpp" />
@@ -2884,6 +2893,11 @@
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Dedicated Debug|x64'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Dedicated Release|x64'">true</ExcludedFromBuild>
</ClCompile>
<ClCompile Include="tools\radiant\Terrain.cpp">
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Dedicated Debug with inlines|x64'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Dedicated Debug|x64'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Dedicated Release|x64'">true</ExcludedFromBuild>
</ClCompile>
<ClCompile Include="tools\radiant\Undo.cpp">
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Dedicated Debug with inlines|x64'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Dedicated Debug|x64'">true</ExcludedFromBuild>
+18
View File
@@ -606,6 +606,9 @@
<ClInclude Include="models\ModelOverlay.h">
<Filter>Models</Filter>
</ClInclude>
<ClInclude Include="models\TerrainModel.h">
<Filter>Models</Filter>
</ClInclude>
<ClInclude Include="renderer\stb_image.h">
<Filter>Renderer</Filter>
</ClInclude>
@@ -755,6 +758,9 @@
<ClCompile Include="renderer\draw_common.cpp">
<Filter>Renderer</Filter>
</ClCompile>
<ClCompile Include="renderer\draw_terrain.cpp">
<Filter>Renderer</Filter>
</ClCompile>
<ClCompile Include="renderer\GuiModel.cpp">
<Filter>Renderer</Filter>
</ClCompile>
@@ -1550,6 +1556,9 @@
<ClCompile Include="tools\radiant\TextureBar.cpp">
<Filter>Tools\Radiant</Filter>
</ClCompile>
<ClCompile Include="tools\radiant\Terrain.cpp">
<Filter>Tools\Radiant</Filter>
</ClCompile>
<ClCompile Include="tools\radiant\Undo.cpp">
<Filter>Tools\Radiant</Filter>
</ClCompile>
@@ -1640,6 +1649,9 @@
<ClCompile Include="renderer\draw_dx.cpp">
<Filter>Renderer</Filter>
</ClCompile>
<ClCompile Include="renderer\RenderWorld_terrain.cpp">
<Filter>Renderer</Filter>
</ClCompile>
<ClCompile Include="tools\radiant\OutlinerDlg.cpp">
<Filter>Tools\Radiant</Filter>
</ClCompile>
@@ -1682,6 +1694,9 @@
<ClCompile Include="models\ModelOverlay.cpp">
<Filter>Models</Filter>
</ClCompile>
<ClCompile Include="models\TerrainModel.cpp">
<Filter>Models</Filter>
</ClCompile>
<ClCompile Include="..\Prey\CM\CollisionModel_contacts.cpp">
<Filter>CM\PreyCM</Filter>
</ClCompile>
@@ -2510,6 +2525,9 @@
<CustomBuildStep Include="tools\radiant\TextureBar.h">
<Filter>Tools\Radiant</Filter>
</CustomBuildStep>
<CustomBuildStep Include="tools\radiant\Terrain.h">
<Filter>Tools\Radiant</Filter>
</CustomBuildStep>
<CustomBuildStep Include="tools\radiant\Textures.h">
<Filter>Tools\Radiant</Filter>
</CustomBuildStep>
+2
View File
@@ -0,0 +1,2 @@
#include "precompiled.h"
#pragma hdrstop
+140
View File
@@ -0,0 +1,140 @@
#ifndef __TEXTCOMPILER_H__
#define __TEXTCOMPILER_H__
#include "../framework/File.h"
namespace TextCompiler
{
// Write an indirect value
template <typename type> inline void WriteValue(type const * const ptr, idFile *out, bool byteSwap=false)
{
if(out != NULL)
{
if(!byteSwap)
{
out->Write(ptr, sizeof(type));
}
else
{
byte const * const p = (byte *)ptr;
for(int i=sizeof(type)-1;i>=0;i--)
{
out->Write(&(p[i]), 1);
}
}
}
}
// Write a direct value
template <typename type> inline void WriteValue(type const val, idFile *out, bool byteSwap=false)
{
if(out != NULL)
{
if(!byteSwap)
{
out->Write(&val, sizeof(type));
}
else
{
byte const * const p = (byte *)&val;
for(int i=sizeof(type)-1;i>=0;i--)
{
out->Write(&(p[i]), 1);
}
}
}
}
template <typename type> inline type ReadValue(idFile *in)
{
type ret;
in->Read(&ret, sizeof(type));
return ret;
}
// specialization write for idStr's
template <> inline void WriteValue(idStr const * const ptr, idFile *out, bool byteSwap)
{
if(out != NULL)
{
// if less than 32, then we don't need a trailing null
// this is because 5 bits can be used to represent string length in the token header
// zero length strings end up needing to be null terminated
if((ptr->Length() < 32) && (ptr->Length() != 0))
{
out->Write(ptr->c_str(), ptr->Length());
}
else
{
out->Write(ptr->c_str(), ptr->Length()+1);
}
}
}
// specialization read for idStr's
template <> inline idStr ReadValue(idFile *in)
{
char c;
idStr str;
in->Read(&c, 1);
while(c != '\0')
{
str.Append(c);
in->Read(&c, 1);
}
str.Append(c);
return str;
}
template <typename type> inline void WriteArray(type const * const ptr, unsigned int count, idFile *out)
{
WriteValue<unsigned int>(&count, out);
for(unsigned int i=0;i<count; i++)
{
WriteValue<type>(&(ptr[i]), out);
}
}
template <typename type> inline type *ReadArray(idFile *in, unsigned int *count=NULL)
{
unsigned int len;
len = ReadValue<unsigned int>(in);
type *buffer = (type *)malloc(len*sizeof(type));
type *ptr = buffer;
for(unsigned int i=0;i<len;i++)
{
*ptr = ReadValue<type>(in);
ptr++;
}
if(count != NULL)
*count = len;
return buffer;
}
template <typename type> inline void WriteIdList(idList<type> const * const ptr, idFile *out)
{
WriteArray<type>(ptr->Ptr(), ptr->Num(), out);
}
template <typename type> inline idList<type> ReadIdList(idFile *in)
{
idList<type> ret;
ret.Clear();
unsigned int count;
idAutoPtr<type> array(ReadArray<type>(in, &count));
for(unsigned int i=0;i<count;i++)
ret.Append(array[i]);
return ret;
}
};
#endif
+135
View File
@@ -0,0 +1,135 @@
#include "../precompiled.h"
#pragma hdrstop
#include <float.h>
/*
=================
rvAngles::NormalizeFull
returns angles normalized to the range [0 <= angle < TWO_PI]
=================
*/
rvAngles &rvAngles::NormalizeFull( void )
{
// Get to -TWO_PI < a < TWO_PI
pitch = fmodf( pitch, idMath::TWO_PI );
yaw = fmodf( yaw, idMath::TWO_PI );
roll = fmodf( roll, idMath::TWO_PI );
// Fix any negatives
if( pitch < 0.0f )
{
pitch += idMath::TWO_PI;
}
if( yaw < 0.0f )
{
yaw += idMath::TWO_PI;
}
if( roll < 0.0f )
{
roll += idMath::TWO_PI;
}
return( *this );
}
/*
=================
rvAngles::NormalizeHalf
returns angles normalized to the range [-PI < angle <= PI]
=================
*/
rvAngles &rvAngles::NormalizeHalf( void )
{
int i;
// Get to -TWO_PI < a < TWO_PI
pitch = fmodf( pitch, idMath::TWO_PI );
yaw = fmodf( yaw, idMath::TWO_PI );
roll = fmodf( roll, idMath::TWO_PI );
for( i = 0; i < 3; i++ )
{
if( ( *this )[i] < -idMath::PI )
{
( *this )[i] += idMath::TWO_PI;
}
if( ( *this )[i] > idMath::PI )
{
( *this )[i] -= idMath::TWO_PI;
}
}
return( *this );
}
/*
=================
rvAngles::ToVectors
=================
*/
void rvAngles::ToVectors( idVec3 *forward, idVec3 *right, idVec3 *up ) const
{
float sr, sp, sy, cr, cp, cy;
idMath::SinCos( yaw, sy, cy );
idMath::SinCos( pitch, sp, cp );
idMath::SinCos( roll, sr, cr );
if( forward )
{
forward->Set( cp * cy, cp * sy, -sp );
}
if( right )
{
right->Set( -sr * sp * cy + cr * sy, -sr * sp * sy + -cr * cy, -sr * cp );
}
if( up )
{
up->Set( cr * sp * cy + -sr * -sy, cr * sp * sy + -sr * cy, cr * cp );
}
}
/*
=================
rvAngles::ToForward
=================
*/
idVec3 rvAngles::ToForward( void ) const
{
float sp, sy, cp, cy;
idMath::SinCos( yaw, sy, cy );
idMath::SinCos( pitch, sp, cp );
return( idVec3( cp * cy, cp * sy, -sp ) );
}
/*
=================
rvAngles::ToMat3
=================
*/
idMat3 &rvAngles::ToMat3( idMat3 &mat ) const
{
float sr, sp, sy, cr, cp, cy;
idMath::SinCos( yaw, sy, cy );
idMath::SinCos( pitch, sp, cp );
idMath::SinCos( roll, sr, cr );
mat[0].Set( cp * cy, cp * sy, -sp );
mat[1].Set( sr * sp * cy + cr * -sy, sr * sp * sy + cr * cy, sr * cp );
mat[2].Set( cr * sp * cy + -sr * -sy, cr * sp * sy + -sr * cy, cr * cp );
return( mat );
}
// end
+252
View File
@@ -0,0 +1,252 @@
#ifndef _MATH_RADIANS_H_INC_
#define _MATH_RADIANS_H_INC_
/*
===============================================================================
Euler angles
This is basically a duplicate of idAngles, but used radians rather than
degrees (to avoid the conversion before trig calls)
All trig calls use float precision
ToMat3 passes in workspace to avoid a memcpy
===============================================================================
*/
#ifndef M_PI
# define M_PI (3.1415926536f)
#endif
class idVec3;
class idMat3;
class rvAngles
{
public:
float pitch;
float yaw;
float roll;
rvAngles( void ) {}
rvAngles( float pitch, float yaw, float roll );
explicit rvAngles( const idVec3 &v );
void Set( float pitch, float yaw, float roll );
rvAngles & Zero( void );
float operator[]( int index ) const;
float & operator[]( int index );
rvAngles operator-() const;
rvAngles & operator=( const rvAngles &a );
rvAngles & operator=( const idVec3 &a );
rvAngles operator+( const rvAngles &a ) const;
rvAngles operator+( const idVec3 &a ) const;
rvAngles & operator+=( const rvAngles &a );
rvAngles & operator+=( const idVec3 &a );
rvAngles operator-( const rvAngles &a ) const;
rvAngles operator-( const idVec3 &a ) const;
rvAngles & operator-=( const rvAngles &a );
rvAngles & operator-=( const idVec3 &a );
rvAngles operator*( const float a ) const;
rvAngles & operator*=( const float a );
friend rvAngles operator+( const idVec3 &a, const rvAngles &b );
friend rvAngles operator-( const idVec3 &a, const rvAngles &b );
friend rvAngles operator*( const float a, const rvAngles &b );
bool Compare( const rvAngles &a ) const; // exact compare, no epsilon
bool Compare( const rvAngles &a, const float epsilon ) const; // compare with epsilon
bool operator==( const rvAngles &a ) const; // exact compare, no epsilon
bool operator!=( const rvAngles &a ) const; // exact compare, no epsilon
rvAngles & NormalizeFull( void ); // normalizes 'this'
rvAngles & NormalizeHalf( void ); // normalizes 'this'
void ToVectors( idVec3 *forward, idVec3 *right = NULL, idVec3 *up = NULL ) const;
idVec3 ToForward( void ) const;
idMat3 &ToMat3( idMat3 &mat ) const;
const float * ToFloatPtr( void ) const { return( &pitch ); }
float * ToFloatPtr( void ) { return( &pitch ); }
};
ID_INLINE rvAngles::rvAngles( float pitch, float yaw, float roll )
{
this->pitch = pitch;
this->yaw = yaw;
this->roll = roll;
}
ID_INLINE rvAngles::rvAngles( const idVec3 &v )
{
this->pitch = v[0];
this->yaw = v[1];
this->roll = v[2];
}
ID_INLINE void rvAngles::Set( float pitch, float yaw, float roll )
{
this->pitch = pitch;
this->yaw = yaw;
this->roll = roll;
}
ID_INLINE rvAngles &rvAngles::Zero( void )
{
pitch = 0.0f;
yaw = 0.0f;
roll = 0.0f;
return( *this );
}
ID_INLINE float rvAngles::operator[]( int index ) const
{
assert( ( index >= 0 ) && ( index < 3 ) );
return( ( &pitch )[ index ] );
}
ID_INLINE float &rvAngles::operator[]( int index )
{
assert( ( index >= 0 ) && ( index < 3 ) );
return( ( &pitch )[ index ] );
}
ID_INLINE rvAngles rvAngles::operator-( void ) const
{
return( rvAngles( -pitch, -yaw, -roll ) );
}
ID_INLINE rvAngles &rvAngles::operator=( const rvAngles &a )
{
pitch = a.pitch;
yaw = a.yaw;
roll = a.roll;
return( *this );
}
ID_INLINE rvAngles &rvAngles::operator=( const idVec3 &a )
{
pitch = a.x;
yaw = a.y;
roll = a.z;
return( *this );
}
ID_INLINE rvAngles rvAngles::operator+( const rvAngles &a ) const
{
return( rvAngles( pitch + a.pitch, yaw + a.yaw, roll + a.roll ) );
}
ID_INLINE rvAngles rvAngles::operator+( const idVec3 &a ) const
{
return( rvAngles( pitch + a.x, yaw + a.y, roll + a.z ) );
}
ID_INLINE rvAngles& rvAngles::operator+=( const rvAngles &a )
{
pitch += a.pitch;
yaw += a.yaw;
roll += a.roll;
return( *this );
}
ID_INLINE rvAngles& rvAngles::operator+=( const idVec3 &a )
{
pitch += a.x;
yaw += a.y;
roll += a.z;
return( *this );
}
ID_INLINE rvAngles rvAngles::operator-( const rvAngles &a ) const
{
return( rvAngles( pitch - a.pitch, yaw - a.yaw, roll - a.roll ) );
}
ID_INLINE rvAngles rvAngles::operator-( const idVec3 &a ) const
{
return( rvAngles( pitch - a.x, yaw - a.y, roll - a.z ) );
}
ID_INLINE rvAngles& rvAngles::operator-=( const rvAngles &a )
{
pitch -= a.pitch;
yaw -= a.yaw;
roll -= a.roll;
return( *this );
}
ID_INLINE rvAngles& rvAngles::operator-=( const idVec3 &a )
{
pitch -= a.x;
yaw -= a.y;
roll -= a.z;
return( *this );
}
ID_INLINE rvAngles rvAngles::operator*( const float a ) const
{
return( rvAngles( pitch * a, yaw * a, roll * a ) );
}
ID_INLINE rvAngles& rvAngles::operator*=( float a )
{
pitch *= a;
yaw *= a;
roll *= a;
return( *this );
}
ID_INLINE rvAngles operator+( const idVec3 &a, const rvAngles &b )
{
return( rvAngles( a.x + b.pitch, a.y + b.yaw, a.z + b.roll ) );
}
ID_INLINE rvAngles operator-( const idVec3 &a, const rvAngles &b )
{
return( rvAngles( a.x - b.pitch, a.y - b.yaw, a.z - b.roll ) );
}
ID_INLINE rvAngles operator*( const float a, const rvAngles &b )
{
return( rvAngles( a * b.pitch, a * b.yaw, a * b.roll ) );
}
ID_INLINE bool rvAngles::Compare( const rvAngles &a ) const
{
return( ( a.pitch == pitch ) && ( a.yaw == yaw ) && ( a.roll == roll ) );
}
ID_INLINE bool rvAngles::Compare( const rvAngles &a, const float epsilon ) const
{
if( idMath::Fabs( pitch - a.pitch ) > epsilon )
{
return( false );
}
if( idMath::Fabs( yaw - a.yaw ) > epsilon )
{
return( false );
}
if( idMath::Fabs( roll - a.roll ) > epsilon )
{
return( false );
}
return( true );
}
ID_INLINE bool rvAngles::operator==( const rvAngles &a ) const
{
return( Compare( a ) );
}
ID_INLINE bool rvAngles::operator!=( const rvAngles &a ) const
{
return( !Compare( a ) );
}
#endif // _MATH_RADIANS_H_INC_
+578
View File
@@ -0,0 +1,578 @@
/*
===========================================================================
Shared terrain source model
===========================================================================
*/
#include "precompiled.h"
#pragma hdrstop
#include "TerrainModel.h"
idTerrainPatch::idTerrainPatch() {
name.Clear();
material.Clear();
origin.Zero();
width = TERRAIN_DEFAULT_VERTS;
height = TERRAIN_DEFAULT_VERTS;
cellSize = TERRAIN_DEFAULT_CELL_SIZE;
paintWidth = TERRAIN_DEFAULT_PAINT_SIZE;
paintHeight = TERRAIN_DEFAULT_PAINT_SIZE;
paintTexture = 0;
paintTextureDirty = true;
paintDirtyMinX = 0;
paintDirtyMinY = 0;
paintDirtyMaxX = paintWidth - 1;
paintDirtyMaxY = paintHeight - 1;
bounds.Clear();
}
int idTerrainPatch::SampleIndex( int x, int y ) const {
return y * width + x;
}
int idTerrainPatch::PaintIndex( int x, int y ) const {
return y * paintWidth + x;
}
float idTerrainPatch::SampleHeight( int x, int y ) const {
return heights[SampleIndex( x, y )];
}
void idTerrainPatch::SetHeight( int x, int y, float height ) {
heights[SampleIndex( x, y )] = height;
}
bool idTerrainPatch::SetHeightBySample( int sample, float height ) {
if ( sample < 0 || sample >= heights.Num() ) {
return false;
}
heights[sample] = height;
return true;
}
idVec4 idTerrainPatch::SamplePaintWeight( int x, int y ) const {
return paintWeights[PaintIndex( x, y )];
}
void idTerrainPatch::SetPaintWeight( int x, int y, const idVec4 &weight ) {
paintWeights[PaintIndex( x, y )] = NormalizeLayerWeight( weight );
MarkPaintTextureDirtyRect( x, y, x, y );
}
bool idTerrainPatch::SetPaintWeightBySample( int sample, const idVec4 &weight ) {
if ( sample < 0 || sample >= paintWeights.Num() || paintWidth <= 0 ) {
return false;
}
paintWeights[sample] = NormalizeLayerWeight( weight );
MarkPaintTextureDirtyRect( sample % paintWidth, sample / paintWidth, sample % paintWidth, sample / paintWidth );
return true;
}
idVec4 idTerrainPatch::BaseLayerWeight() {
return idVec4( 1.0f, 0.0f, 0.0f, 0.0f );
}
idVec4 idTerrainPatch::NormalizeLayerWeight( const idVec4 &weight ) {
idVec4 normalized;
normalized.x = weight.x > 0.0f ? weight.x : 0.0f;
normalized.y = weight.y > 0.0f ? weight.y : 0.0f;
normalized.z = weight.z > 0.0f ? weight.z : 0.0f;
normalized.w = weight.w > 0.0f ? weight.w : 0.0f;
const float total = normalized.x + normalized.y + normalized.z + normalized.w;
if ( total <= 0.0001f ) {
return BaseLayerWeight();
}
const float invTotal = 1.0f / total;
normalized.x *= invTotal;
normalized.y *= invTotal;
normalized.z *= invTotal;
normalized.w *= invTotal;
return normalized;
}
float idTerrainPatch::WorldWidth() const {
return ( width - 1 ) * cellSize;
}
float idTerrainPatch::WorldHeight() const {
return ( height - 1 ) * cellSize;
}
float idTerrainPatch::BilinearHeight( float u, float v ) const {
u = idMath::ClampFloat( 0.0f, 1.0f, u );
v = idMath::ClampFloat( 0.0f, 1.0f, v );
const float fx = u * ( width - 1 );
const float fy = v * ( height - 1 );
const int x0 = idMath::ClampInt( 0, width - 1, (int)floorf( fx ) );
const int y0 = idMath::ClampInt( 0, height - 1, (int)floorf( fy ) );
const int x1 = idMath::ClampInt( 0, width - 1, x0 + 1 );
const int y1 = idMath::ClampInt( 0, height - 1, y0 + 1 );
const float tx = fx - (float)x0;
const float ty = fy - (float)y0;
const float h00 = SampleHeight( x0, y0 );
const float h10 = SampleHeight( x1, y0 );
const float h01 = SampleHeight( x0, y1 );
const float h11 = SampleHeight( x1, y1 );
const float h0 = h00 + ( h10 - h00 ) * tx;
const float h1 = h01 + ( h11 - h01 ) * tx;
return h0 + ( h1 - h0 ) * ty;
}
idVec3 idTerrainPatch::VertexUV( float u, float v ) const {
idVec3 p;
p.x = origin.x + WorldWidth() * u;
p.y = origin.y + WorldHeight() * v;
p.z = origin.z + BilinearHeight( u, v );
return p;
}
idVec3 idTerrainPatch::Vertex( int x, int y ) const {
idVec3 v;
v.x = origin.x + x * cellSize;
v.y = origin.y + y * cellSize;
v.z = origin.z + SampleHeight( x, y );
return v;
}
idVec3 idTerrainPatch::VertexNormal( int x, int y ) const {
const int x0 = idMath::ClampInt( 0, width - 1, x - 1 );
const int x1 = idMath::ClampInt( 0, width - 1, x + 1 );
const int y0 = idMath::ClampInt( 0, height - 1, y - 1 );
const int y1 = idMath::ClampInt( 0, height - 1, y + 1 );
const idVec3 sx = Vertex( x1, y ) - Vertex( x0, y );
const idVec3 sy = Vertex( x, y1 ) - Vertex( x, y0 );
idVec3 normal = sx.Cross( sy );
if ( normal.LengthSqr() <= 0.0001f ) {
normal.Set( 0.0f, 0.0f, 1.0f );
} else {
normal.Normalize();
}
return normal;
}
void idTerrainPatch::UpdateBounds() {
bounds.Clear();
if ( width <= 0 || height <= 0 ) {
bounds.AddPoint( origin );
return;
}
for ( int y = 0; y < height; y++ ) {
for ( int x = 0; x < width; x++ ) {
bounds.AddPoint( Vertex( x, y ) );
}
}
}
void idTerrainPatch::EnsureLayerData( const char *defaultMaterial ) {
if ( material.IsEmpty() ) {
material = defaultMaterial && defaultMaterial[0] ? defaultMaterial : "textures/common/caulk";
}
if ( layerMaterials[0].IsEmpty() ) {
layerMaterials[0] = material;
}
material = layerMaterials[0];
if ( width < 2 ) {
width = 2;
}
if ( height < 2 ) {
height = 2;
}
const int heightSampleCount = width * height;
const int oldHeightCount = heights.Num();
heights.SetNum( heightSampleCount );
for ( int i = oldHeightCount; i < heightSampleCount; i++ ) {
heights[i] = 0.0f;
}
if ( paintWidth < 2 ) {
paintWidth = TERRAIN_DEFAULT_PAINT_SIZE;
}
if ( paintHeight < 2 ) {
paintHeight = TERRAIN_DEFAULT_PAINT_SIZE;
}
const int paintSampleCount = paintWidth * paintHeight;
if ( paintSampleCount <= 0 ) {
paintWeights.Clear();
return;
}
const int oldCount = paintWeights.Num();
paintWeights.SetNum( paintSampleCount );
if ( oldCount != paintSampleCount ) {
MarkPaintTextureDirty();
}
for ( int i = 0; i < paintSampleCount; i++ ) {
if ( i >= oldCount ) {
paintWeights[i] = BaseLayerWeight();
} else {
paintWeights[i] = NormalizeLayerWeight( paintWeights[i] );
}
}
UpdateBounds();
}
void idTerrainPatch::ClearLayerWeight( int layer ) {
if ( layer < 0 || layer >= TERRAIN_MAX_LAYERS ) {
return;
}
for ( int i = 0; i < paintWeights.Num(); i++ ) {
idVec4 weight = paintWeights[i];
weight[layer] = 0.0f;
paintWeights[i] = NormalizeLayerWeight( weight );
}
MarkPaintTextureDirty();
}
bool idTerrainPatch::SetLayerMaterials( const idStr newLayerMaterials[TERRAIN_MAX_LAYERS], const char *defaultMaterial ) {
bool changed = false;
for ( int layer = 0; layer < TERRAIN_MAX_LAYERS; layer++ ) {
idStr materialName = newLayerMaterials[layer];
materialName.StripLeading( ' ' );
materialName.StripTrailing( ' ' );
if ( layer == 0 && materialName.IsEmpty() ) {
materialName = defaultMaterial && defaultMaterial[0] ? defaultMaterial : "textures/common/caulk";
}
if ( layerMaterials[layer].Icmp( materialName.c_str() ) == 0 ) {
continue;
}
layerMaterials[layer] = materialName;
if ( layer > 0 && materialName.IsEmpty() ) {
ClearLayerWeight( layer );
}
changed = true;
}
material = layerMaterials[0];
return changed;
}
void idTerrainPatch::MarkPaintTextureDirty() {
paintTextureDirty = true;
paintDirtyMinX = 0;
paintDirtyMinY = 0;
paintDirtyMaxX = paintWidth > 0 ? paintWidth - 1 : 0;
paintDirtyMaxY = paintHeight > 0 ? paintHeight - 1 : 0;
}
void idTerrainPatch::ClearPaintTextureDirtyRect() {
paintTextureDirty = false;
paintDirtyMinX = paintWidth;
paintDirtyMinY = paintHeight;
paintDirtyMaxX = -1;
paintDirtyMaxY = -1;
}
void idTerrainPatch::MarkPaintTextureDirtyRect( int minX, int minY, int maxX, int maxY ) {
if ( paintWidth <= 0 || paintHeight <= 0 ) {
return;
}
minX = idMath::ClampInt( 0, paintWidth - 1, minX );
maxX = idMath::ClampInt( 0, paintWidth - 1, maxX );
minY = idMath::ClampInt( 0, paintHeight - 1, minY );
maxY = idMath::ClampInt( 0, paintHeight - 1, maxY );
if ( maxX < minX || maxY < minY ) {
return;
}
if ( !paintTextureDirty || paintDirtyMaxX < paintDirtyMinX || paintDirtyMaxY < paintDirtyMinY ) {
paintDirtyMinX = minX;
paintDirtyMinY = minY;
paintDirtyMaxX = maxX;
paintDirtyMaxY = maxY;
} else {
if ( minX < paintDirtyMinX ) {
paintDirtyMinX = minX;
}
if ( minY < paintDirtyMinY ) {
paintDirtyMinY = minY;
}
if ( maxX > paintDirtyMaxX ) {
paintDirtyMaxX = maxX;
}
if ( maxY > paintDirtyMaxY ) {
paintDirtyMaxY = maxY;
}
}
paintTextureDirty = true;
}
idTerrainModel::idTerrainModel() {
}
idTerrainModel::~idTerrainModel() {
Clear();
}
void idTerrainModel::Clear() {
terrains.DeleteContents( true );
}
int idTerrainModel::NumTerrains() const {
return terrains.Num();
}
idTerrainPatch *idTerrainModel::Terrain( int index ) {
if ( index < 0 || index >= terrains.Num() ) {
return NULL;
}
return terrains[index];
}
const idTerrainPatch *idTerrainModel::Terrain( int index ) const {
if ( index < 0 || index >= terrains.Num() ) {
return NULL;
}
return terrains[index];
}
idList<idTerrainPatch *> &idTerrainModel::Terrains() {
return terrains;
}
const idList<idTerrainPatch *> &idTerrainModel::Terrains() const {
return terrains;
}
static float TerrainModel_SnapToGrid( float value, float gridSize ) {
if ( gridSize <= 0.0f ) {
gridSize = 1.0f;
}
return floorf( value / gridSize + ( value >= 0.0f ? 0.5f : -0.5f ) ) * gridSize;
}
idTerrainPatch *idTerrainModel::AllocDefaultTerrain( const idVec3 &center, const char *defaultMaterial, float gridSize ) {
idTerrainPatch *terrain = new idTerrainPatch;
terrain->name = va( "terrain_%i", terrains.Num() + 1 );
terrain->material = defaultMaterial && defaultMaterial[0] ? defaultMaterial : "textures/common/caulk";
terrain->layerMaterials[0] = terrain->material;
const float worldSize = ( terrain->width - 1 ) * terrain->cellSize;
terrain->origin.x = TerrainModel_SnapToGrid( center.x - worldSize * 0.5f, gridSize );
terrain->origin.y = TerrainModel_SnapToGrid( center.y - worldSize * 0.5f, gridSize );
terrain->origin.z = TerrainModel_SnapToGrid( center.z, gridSize );
terrain->heights.SetNum( terrain->width * terrain->height );
for ( int i = 0; i < terrain->heights.Num(); i++ ) {
terrain->heights[i] = 0.0f;
}
terrain->EnsureLayerData( defaultMaterial );
return terrain;
}
void idTerrainModel::AddTerrain( idTerrainPatch *terrain ) {
if ( terrain ) {
terrains.Append( terrain );
}
}
idStr idTerrainModel::FileNameForMap( const char *mapFileName ) {
idStr fileName = mapFileName ? mapFileName : "";
fileName.StripFileExtension();
fileName.SetFileExtension( ".terrain" );
return fileName;
}
bool idTerrainModel::SaveFile( const char *filename ) {
if ( !filename || !filename[0] ) {
return false;
}
const bool osPath = strstr( filename, ":" ) != NULL;
idFile *file = osPath ? fileSystem->OpenExplicitFileWrite( filename ) : fileSystem->OpenFileWrite( filename );
if ( !file ) {
common->Warning( "idTerrainModel::SaveFile: couldn't write %s", filename );
return false;
}
file->WriteFloatString( "terrainAuthoring 3 {\n" );
for ( int i = 0; i < terrains.Num(); i++ ) {
idTerrainPatch *terrain = terrains[i];
if ( !terrain ) {
continue;
}
terrain->EnsureLayerData( "textures/common/caulk" );
file->WriteFloatString( "\tterrain {\n" );
file->WriteFloatString( "\t\tname \"%s\"\n", terrain->name.c_str() );
file->WriteFloatString( "\t\tmaterial \"%s\"\n", terrain->material.c_str() );
for ( int layer = 0; layer < TERRAIN_MAX_LAYERS; layer++ ) {
if ( layer == 0 || !terrain->layerMaterials[layer].IsEmpty() ) {
file->WriteFloatString( "\t\tlayer %i \"%s\"\n", layer, terrain->layerMaterials[layer].c_str() );
}
}
file->WriteFloatString( "\t\torigin ( %f %f %f )\n", terrain->origin.x, terrain->origin.y, terrain->origin.z );
file->WriteFloatString( "\t\tsize %i %i\n", terrain->width, terrain->height );
file->WriteFloatString( "\t\tcellSize %f\n", terrain->cellSize );
file->WriteFloatString( "\t\tpaintSize %i %i\n", terrain->paintWidth, terrain->paintHeight );
file->WriteFloatString( "\t\theights {\n" );
for ( int y = 0; y < terrain->height; y++ ) {
file->WriteFloatString( "\t\t\t" );
for ( int x = 0; x < terrain->width; x++ ) {
file->WriteFloatString( "%f ", terrain->SampleHeight( x, y ) );
}
file->WriteFloatString( "\n" );
}
file->WriteFloatString( "\t\t}\n" );
file->WriteFloatString( "\t\tpaintWeights {\n" );
for ( int y = 0; y < terrain->paintHeight; y++ ) {
file->WriteFloatString( "\t\t\t" );
for ( int x = 0; x < terrain->paintWidth; x++ ) {
const idVec4 weights = terrain->SamplePaintWeight( x, y );
file->WriteFloatString( "%f %f %f %f ", weights.x, weights.y, weights.z, weights.w );
}
file->WriteFloatString( "\n" );
}
file->WriteFloatString( "\t\t}\n" );
file->WriteFloatString( "\t}\n" );
}
file->WriteFloatString( "}\n" );
fileSystem->CloseFile( file );
return true;
}
bool idTerrainModel::LoadFile( const char *filename, const char *defaultMaterial ) {
Clear();
if ( !filename || !filename[0] ) {
return false;
}
const char *fallbackMaterial = defaultMaterial && defaultMaterial[0] ? defaultMaterial : "textures/common/caulk";
const bool osPath = strstr( filename, ":" ) != NULL;
idLexer src( LEXFL_NOSTRINGCONCAT | LEXFL_NODOLLARPRECOMPILE | LEXFL_ALLOWPATHNAMES );
src.LoadFile( filename, osPath );
if ( !src.IsLoaded() ) {
return false;
}
idToken token;
if ( !src.ReadToken( &token ) || token.Icmp( "terrainAuthoring" ) ) {
return false;
}
src.ReadToken( &token );
if ( token != "{" ) {
src.ExpectTokenString( "{" );
}
while ( src.ReadToken( &token ) ) {
if ( token == "}" ) {
break;
}
if ( token.Icmp( "terrain" ) ) {
break;
}
idTerrainPatch *terrain = new idTerrainPatch;
terrain->name = va( "terrain_%i", terrains.Num() + 1 );
terrain->material = fallbackMaterial;
terrain->layerMaterials[0] = terrain->material;
terrain->MarkPaintTextureDirty();
src.ExpectTokenString( "{" );
while ( src.ReadToken( &token ) ) {
if ( token == "}" ) {
break;
}
if ( !token.Icmp( "name" ) ) {
src.ExpectAnyToken( &token );
terrain->name = token;
} else if ( !token.Icmp( "material" ) ) {
src.ExpectAnyToken( &token );
terrain->material = token;
terrain->layerMaterials[0] = token;
} else if ( !token.Icmp( "layer" ) ) {
const int layer = src.ParseInt();
src.ExpectAnyToken( &token );
if ( layer >= 0 && layer < TERRAIN_MAX_LAYERS ) {
terrain->layerMaterials[layer] = token;
if ( layer == 0 ) {
terrain->material = token;
}
}
} else if ( !token.Icmp( "origin" ) ) {
src.Parse1DMatrix( 3, terrain->origin.ToFloatPtr() );
} else if ( !token.Icmp( "size" ) ) {
terrain->width = src.ParseInt();
terrain->height = src.ParseInt();
if ( terrain->width < 2 ) {
terrain->width = 2;
}
if ( terrain->height < 2 ) {
terrain->height = 2;
}
} else if ( !token.Icmp( "cellSize" ) ) {
terrain->cellSize = src.ParseFloat();
if ( terrain->cellSize <= 0.0f ) {
terrain->cellSize = TERRAIN_DEFAULT_CELL_SIZE;
}
} else if ( !token.Icmp( "paintSize" ) ) {
terrain->paintWidth = src.ParseInt();
terrain->paintHeight = src.ParseInt();
if ( terrain->paintWidth < 2 ) {
terrain->paintWidth = 2;
}
if ( terrain->paintHeight < 2 ) {
terrain->paintHeight = 2;
}
} else if ( !token.Icmp( "heights" ) ) {
src.ExpectTokenString( "{" );
terrain->heights.SetNum( terrain->width * terrain->height );
for ( int i = 0; i < terrain->heights.Num(); i++ ) {
terrain->heights[i] = 0.0f;
}
int sample = 0;
while ( src.ReadToken( &token ) ) {
if ( token == "}" ) {
break;
}
if ( sample < terrain->heights.Num() ) {
terrain->heights[sample++] = (float)atof( token.c_str() );
}
}
} else if ( !token.Icmp( "weights" ) || !token.Icmp( "paintWeights" ) ) {
const bool legacyWeights = !token.Icmp( "weights" );
src.ExpectTokenString( "{" );
if ( legacyWeights && terrain->paintWidth == TERRAIN_DEFAULT_PAINT_SIZE && terrain->paintHeight == TERRAIN_DEFAULT_PAINT_SIZE ) {
terrain->paintWidth = terrain->width;
terrain->paintHeight = terrain->height;
}
terrain->paintWeights.SetNum( terrain->paintWidth * terrain->paintHeight );
for ( int i = 0; i < terrain->paintWeights.Num(); i++ ) {
terrain->paintWeights[i] = idTerrainPatch::BaseLayerWeight();
}
int sample = 0;
int component = 0;
idVec4 weight;
weight.Zero();
while ( src.ReadToken( &token ) ) {
if ( token == "}" ) {
break;
}
weight[component++] = (float)atof( token.c_str() );
if ( component == 4 ) {
if ( sample < terrain->paintWeights.Num() ) {
terrain->paintWeights[sample] = idTerrainPatch::NormalizeLayerWeight( weight );
}
sample++;
component = 0;
weight.Zero();
}
}
}
}
terrain->EnsureLayerData( fallbackMaterial );
terrain->MarkPaintTextureDirty();
terrain->UpdateBounds();
terrains.Append( terrain );
}
return true;
}
+93
View File
@@ -0,0 +1,93 @@
/*
===========================================================================
Shared terrain source model
===========================================================================
*/
#ifndef __MODEL_TERRAIN_H__
#define __MODEL_TERRAIN_H__
#define TERRAIN_DEFAULT_VERTS 65
#define TERRAIN_DEFAULT_CELL_SIZE 512.0f
#define TERRAIN_DEFAULT_PAINT_SIZE 257
#define TERRAIN_MAX_LAYERS 4
class idTerrainPatch {
public:
idTerrainPatch();
idStr name;
idStr material;
idStr layerMaterials[TERRAIN_MAX_LAYERS];
idVec3 origin;
int width;
int height;
float cellSize;
idList<float> heights;
int paintWidth;
int paintHeight;
idList<idVec4> paintWeights;
// Editor preview cache state. Runtime code ignores this, but keeping it on the
// source object lets Radiant edit the exact model data that gets parsed/written.
unsigned int paintTexture;
bool paintTextureDirty;
int paintDirtyMinX;
int paintDirtyMinY;
int paintDirtyMaxX;
int paintDirtyMaxY;
idBounds bounds;
int SampleIndex( int x, int y ) const;
int PaintIndex( int x, int y ) const;
float SampleHeight( int x, int y ) const;
void SetHeight( int x, int y, float height );
bool SetHeightBySample( int sample, float height );
idVec4 SamplePaintWeight( int x, int y ) const;
void SetPaintWeight( int x, int y, const idVec4 &weight );
bool SetPaintWeightBySample( int sample, const idVec4 &weight );
float WorldWidth() const;
float WorldHeight() const;
float BilinearHeight( float u, float v ) const;
idVec3 VertexUV( float u, float v ) const;
idVec3 Vertex( int x, int y ) const;
idVec3 VertexNormal( int x, int y ) const;
void UpdateBounds();
void EnsureLayerData( const char *defaultMaterial );
void ClearLayerWeight( int layer );
bool SetLayerMaterials( const idStr layerMaterials[TERRAIN_MAX_LAYERS], const char *defaultMaterial );
void MarkPaintTextureDirty();
void ClearPaintTextureDirtyRect();
void MarkPaintTextureDirtyRect( int minX, int minY, int maxX, int maxY );
static idVec4 BaseLayerWeight();
static idVec4 NormalizeLayerWeight( const idVec4 &weight );
};
class idTerrainModel {
public:
idTerrainModel();
~idTerrainModel();
void Clear();
int NumTerrains() const;
idTerrainPatch * Terrain( int index );
const idTerrainPatch * Terrain( int index ) const;
idList<idTerrainPatch *> &Terrains();
const idList<idTerrainPatch *> &Terrains() const;
idTerrainPatch * AllocDefaultTerrain( const idVec3 &center, const char *defaultMaterial, float gridSize );
void AddTerrain( idTerrainPatch *terrain );
bool LoadFile( const char *filename, const char *defaultMaterial );
bool SaveFile( const char *filename );
static idStr FileNameForMap( const char *mapFileName );
private:
idList<idTerrainPatch *> terrains;
};
#endif
+403 -7
View File
@@ -204,6 +204,9 @@ using Microsoft::WRL::ComPtr;
#ifndef GL_QD3D12_FRAME_GENERATION
#define GL_QD3D12_FRAME_GENERATION 0x600E
#endif
#ifndef GL_QD3D12_TERRAIN_BLEND
#define GL_QD3D12_TERRAIN_BLEND 0x600F
#endif
#ifndef GL_QD3D12_TAA
#define GL_QD3D12_TAA GL_QD3D12_TAA_ENABLED
#endif
@@ -290,6 +293,12 @@ void APIENTRY glBindSpecularMapTexture(GLuint texture);
void APIENTRY glSpecularMapTexture(GLuint texture);
void APIENTRY glSpecularMapStrengthf(GLfloat strength);
void APIENTRY glTextureAverageColorQD3D12(GLuint texture, GLfloat r, GLfloat g, GLfloat b, GLfloat a);
void APIENTRY glTerrainBlendEnableQD3D12(GLboolean enable);
void APIENTRY glEnableTerrainBlendQD3D12(GLboolean enable);
void APIENTRY glTerrainLayerTextureQD3D12(GLuint layer, GLuint texture);
void APIENTRY glTerrainLayerNormalTextureQD3D12(GLuint layer, GLuint texture);
void APIENTRY glTerrainWeightTextureQD3D12(GLuint texture);
void APIENTRY glTerrainBlendOpacityQD3D12(GLfloat opacity);
void APIENTRY glRaytracingMaterialFlagsQD3D12(GLuint flags);
void APIENTRY glRaytracingMaterialFlagQD3D12(GLuint flag, GLboolean enable);
@@ -533,7 +542,7 @@ static const UINT QD3D12_MaxQueries = 2048;
// SECTION 3: D3D12 renderer structs
// ============================================================
static const UINT QD3D12_MaxTextureUnits = 8;
static const UINT QD3D12_MaxTextureUnits = 11;
static const UINT QD3D12_FrameCount = 2;
static const UINT QD3D12_MaxTextures = 4096;
static const UINT QD3D12_UploadBufferSize = 128 * 1024 * 1024;
@@ -841,7 +850,7 @@ struct GLBufferObject
const char* vendor = "Justin Marshall";
const char* renderer = "Quake D3D12 Wrapper";
const char* version = "1.1-quake-d3d12";
const char* extensions = "GL_SGIS_multitexture GL_ARB_multitexture GL_EXT_texture_env_add GL_ARB_texture_env_combine GL_ARB_texture_compression GL_EXT_texture_compression_s3tc GL_ARB_vertex_program GL_ARB_fragment_program GL_EXT_texture_cube_map GL_EXT_depth_bounds_test GL_EXT_stencil_two_side GL_ATI_separate_stencil GL_QD3D12_normal_map GL_QD3D12_glow_map GL_QD3D12_specular_map GL_QD3D12_glass_material GL_QD3D12_volumetric_light GL_QD3D12_dlaa GL_QD3D12_taa GL_QD3D12_tonemap_brightness GL_QD3D12_neural_pom";
const char* extensions = "GL_SGIS_multitexture GL_ARB_multitexture GL_EXT_texture_env_add GL_ARB_texture_env_combine GL_ARB_texture_compression GL_EXT_texture_compression_s3tc GL_ARB_vertex_program GL_ARB_fragment_program GL_EXT_texture_cube_map GL_EXT_depth_bounds_test GL_EXT_stencil_two_side GL_ATI_separate_stencil GL_QD3D12_normal_map GL_QD3D12_glow_map GL_QD3D12_specular_map GL_QD3D12_terrain_blend GL_QD3D12_glass_material GL_QD3D12_volumetric_light GL_QD3D12_dlaa GL_QD3D12_taa GL_QD3D12_tonemap_brightness GL_QD3D12_neural_pom";
enum TexEnvModeShader
{
@@ -885,6 +894,13 @@ struct BatchKey
UINT tex0SrvIndex = 0;
UINT tex1SrvIndex = 0;
UINT textureSrvIndex[QD3D12_MaxTextureUnits] = {};
UINT terrainLayerSrvIndex[4] = {};
UINT terrainLayerNormalSrvIndex[4] = {};
float terrainLayerNormalMask[4] = {};
UINT terrainWeightSrvIndex = 0;
float useTerrainBlend = 0.0f;
float useTerrainWeightTexture = 0.0f;
float terrainBlendOpacity = 1.0f;
UINT normalMapSrvIndex = 0;
float useNormalMap = 0.0f;
float normalMapStrength = 1.0f;
@@ -1039,6 +1055,13 @@ static uint64_t QD3D12_HashBatchKey(const BatchKey& key)
QD3D12_MixHash(h, key.tex0SrvIndex);
QD3D12_MixHash(h, key.tex1SrvIndex);
QD3D12_MixHashBytes(h, key.textureSrvIndex, sizeof(key.textureSrvIndex));
QD3D12_MixHashBytes(h, key.terrainLayerSrvIndex, sizeof(key.terrainLayerSrvIndex));
QD3D12_MixHashBytes(h, key.terrainLayerNormalSrvIndex, sizeof(key.terrainLayerNormalSrvIndex));
QD3D12_MixHashBytes(h, key.terrainLayerNormalMask, sizeof(key.terrainLayerNormalMask));
QD3D12_MixHash(h, key.terrainWeightSrvIndex);
QD3D12_MixHashFloat(h, key.useTerrainBlend);
QD3D12_MixHashFloat(h, key.useTerrainWeightTexture);
QD3D12_MixHashFloat(h, key.terrainBlendOpacity);
QD3D12_MixHash(h, key.normalMapSrvIndex);
QD3D12_MixHashFloat(h, key.useNormalMap);
QD3D12_MixHashFloat(h, key.normalMapStrength);
@@ -1167,6 +1190,13 @@ static bool BatchKeyDeepEquals(const BatchKey& a, const BatchKey& b)
memcmp(a.currentColor, b.currentColor, sizeof(a.currentColor)) == 0 &&
a.useVertexColor == b.useVertexColor &&
a.colorWriteMask == b.colorWriteMask &&
memcmp(a.terrainLayerSrvIndex, b.terrainLayerSrvIndex, sizeof(a.terrainLayerSrvIndex)) == 0 &&
memcmp(a.terrainLayerNormalSrvIndex, b.terrainLayerNormalSrvIndex, sizeof(a.terrainLayerNormalSrvIndex)) == 0 &&
memcmp(a.terrainLayerNormalMask, b.terrainLayerNormalMask, sizeof(a.terrainLayerNormalMask)) == 0 &&
a.terrainWeightSrvIndex == b.terrainWeightSrvIndex &&
a.useTerrainBlend == b.useTerrainBlend &&
a.useTerrainWeightTexture == b.useTerrainWeightTexture &&
a.terrainBlendOpacity == b.terrainBlendOpacity &&
a.cullFaceEnabled == b.cullFaceEnabled &&
a.cullMode == b.cullMode &&
a.frontFace == b.frontFace &&
@@ -1749,6 +1779,11 @@ struct GLState
float currentGlowMapStrength = 1.0f;
GLuint currentSpecularMapTexture = 0;
float currentSpecularMapStrength = 1.0f;
bool terrainBlendEnabled = false;
GLuint terrainLayerTextures[4] = {};
GLuint terrainLayerNormalTextures[4] = {};
GLuint terrainWeightTexture = 0;
float terrainBlendOpacity = 1.0f;
ImmediateVertexBuffer immediateVerts;
BatchKey cachedImmediateBatchKey{};
uint64_t cachedImmediateBatchStamp = 0;
@@ -3078,6 +3113,10 @@ cbuffer DrawCB : register(b0)
#define gUseNeuralPOM gNeuralPomPad.x
#define gNeuralPOMDebug gNeuralPomPad.y
#define gUseVertexColor gVertexColorPad.x
#define gUseTerrainBlend gVertexColorPad.y
#define gTerrainBlendOpacity gVertexColorPad.z
#define gUseTerrainWeightTexture gVertexColorPad.w
#define gTerrainNormalMask gCurrentColor
// Runtime Neural POM relief controls. x/y keep the existing enable/debug ABI;
// z deepens the learned UV ray offset and w deepens the learned normal slope.
// The CPU fills these from glNormalMapStrengthf() so existing material calls
@@ -3114,6 +3153,10 @@ Texture2D gGlowMap : register(t3);
Texture2D gSpecularMap : register(t4);
ByteAddressBuffer gNeuralPomWeights : register(t5);
ByteAddressBuffer gNeuralPomLatent : register(t6);
Texture2D gTerrainNormal0 : register(t7);
Texture2D gTerrainNormal1 : register(t8);
Texture2D gTerrainNormal2 : register(t9);
Texture2D gTerrainNormal3 : register(t10);
SamplerState gSamp0 : register(s0);
SamplerState gSamp1 : register(s1);
SamplerState gSamp2 : register(s2);
@@ -4122,8 +4165,13 @@ QD3D12MaterialEval QD3D12_BuildMaterialEval(VSOut i)
return m;
}
float4 BuildTerrainColor(VSOut i);
float4 BuildTexturedColorCached(VSOut i, QD3D12MaterialEval m)
{
if (gUseTerrainBlend > 0.5)
return BuildTerrainColor(i);
float4 primary = i.col;
float4 outColor = primary;
@@ -4187,8 +4235,80 @@ float4 BuildGlowEmission(VSOut i)
}
)HLSL"
R"HLSL(
float4 QD3D12_NormalizeTerrainWeights(float4 weights)
{
weights = max(weights, 0.0);
float sum = weights.x + weights.y + weights.z + weights.w;
if (sum <= 0.0001)
return float4(1.0, 0.0, 0.0, 0.0);
return weights / sum;
}
float4 QD3D12_GetTerrainWeights(VSOut i)
{
float4 weights = (gUseTerrainWeightTexture > 0.5)
? gSpecularMap.Sample(gSamp4, i.uv1)
: i.col;
return QD3D12_NormalizeTerrainWeights(weights);
}
float4 BuildTerrainColor(VSOut i)
{
float4 weights = QD3D12_GetTerrainWeights(i);
float4 layer0 = gTex0.Sample(gSamp0, i.uv0);
float4 layer1 = gTex1.Sample(gSamp1, i.uv0);
float4 layer2 = gNormalMap.Sample(gSamp2, i.uv0);
float4 layer3 = gGlowMap.Sample(gSamp3, i.uv0);
float4 color =
layer0 * weights.x +
layer1 * weights.y +
layer2 * weights.z +
layer3 * weights.w;
color.a *= saturate(gTerrainBlendOpacity);
return ApplyFog(color, i.fogCoord);
}
float3 QD3D12_BuildTerrainGBufferNormal(VSOut i)
{
float4 weights = QD3D12_GetTerrainWeights(i);
float3 baseNormal = QD3D12_SafeNormalize(i.normal, float3(0.0, 0.0, 1.0));
float3 tangent, binormal;
QD3D12_BuildPixelTBN(i, baseNormal, tangent, binormal);
float3 n0 = (gTerrainNormalMask.x > 0.5)
? QD3D12_DecodeTangentSpaceNormal(gTerrainNormal0.Sample(gSamp2, i.uv0).xyz)
: float3(0.0, 0.0, 1.0);
float3 n1 = (gTerrainNormalMask.y > 0.5)
? QD3D12_DecodeTangentSpaceNormal(gTerrainNormal1.Sample(gSamp2, i.uv0).xyz)
: float3(0.0, 0.0, 1.0);
float3 n2 = (gTerrainNormalMask.z > 0.5)
? QD3D12_DecodeTangentSpaceNormal(gTerrainNormal2.Sample(gSamp2, i.uv0).xyz)
: float3(0.0, 0.0, 1.0);
float3 n3 = (gTerrainNormalMask.w > 0.5)
? QD3D12_DecodeTangentSpaceNormal(gTerrainNormal3.Sample(gSamp2, i.uv0).xyz)
: float3(0.0, 0.0, 1.0);
float3 tangentNormal = QD3D12_SafeNormalize(
n0 * weights.x +
n1 * weights.y +
n2 * weights.z +
n3 * weights.w,
float3(0.0, 0.0, 1.0));
return QD3D12_SafeNormalize(
tangentNormal.x * tangent +
tangentNormal.y * binormal +
tangentNormal.z * baseNormal,
baseNormal);
}
float4 BuildSpecularAlbedoCached(VSOut i, QD3D12MaterialEval m)
{
if (gUseTerrainBlend > 0.5)
return float4(0.0, 0.0, 0.0, 0.0);
if (gUseSpecularMap > 0.0)
{
float2 specUv = m.uv0;
@@ -4228,6 +4348,9 @@ float3 BuildGBufferNormalCached(VSOut i, QD3D12MaterialEval m)
{
float3 n = QD3D12_SafeNormalize(i.normal, float3(0.0, 0.0, 1.0));
if (gUseTerrainBlend > 0.5)
return QD3D12_BuildTerrainGBufferNormal(i);
if (gUseNormalMap < 0.5 && (gUseNeuralPOM < 0.5 || m.neural.active <= 0.5))
return n;
@@ -6062,6 +6185,11 @@ static BatchKey BuildCurrentBatchKey(GLenum originalMode, const TextureResource*
key.tex1SrvIndex = (useTex1 && tex1 && tex1->srvIndex != UINT_MAX) ? tex1->srvIndex : g_gl.whiteTexture.srvIndex;
for (UINT i = 0; i < QD3D12_MaxTextureUnits; ++i)
key.textureSrvIndex[i] = (allTextures && allTextures[i]) ? allTextures[i]->srvIndex : 0;
for (UINT layer = 0; layer < 4; ++layer)
{
key.terrainLayerNormalSrvIndex[layer] = g_gl.whiteTexture.srvIndex;
key.terrainLayerNormalMask[layer] = 0.0f;
}
TextureResource* normalMap = selectedMapsValid ? selectedNormalMap : QD3D12_SelectNormalMapTexture(allTextures);
if (normalMap && normalMap->texture && normalMap->srvIndex != UINT_MAX && normalMap->gpuValid)
@@ -6144,7 +6272,53 @@ static BatchKey BuildCurrentBatchKey(GLenum originalMode, const TextureResource*
key.useNeuralPOM = 0.0f;
}
key.useARBPrograms = QD3D12ARB_IsActive();
if (g_gl.terrainBlendEnabled)
{
key.useTerrainBlend = 1.0f;
key.terrainBlendOpacity = ClampValue<float>(g_gl.terrainBlendOpacity, 0.0f, 1.0f);
for (UINT layer = 0; layer < 4; ++layer)
{
TextureResource* terrainTex = QD3D12_FindTextureResource(g_gl.terrainLayerTextures[layer]);
if (terrainTex && terrainTex->texture && terrainTex->srvIndex != UINT_MAX && terrainTex->gpuValid)
key.terrainLayerSrvIndex[layer] = terrainTex->srvIndex;
else
key.terrainLayerSrvIndex[layer] = g_gl.whiteTexture.srvIndex;
TextureResource* terrainNormalTex = QD3D12_FindTextureResource(g_gl.terrainLayerNormalTextures[layer]);
if (terrainNormalTex && terrainNormalTex->texture && terrainNormalTex->srvIndex != UINT_MAX && terrainNormalTex->gpuValid)
{
key.terrainLayerNormalSrvIndex[layer] = terrainNormalTex->srvIndex;
key.terrainLayerNormalMask[layer] = 1.0f;
}
}
TextureResource* terrainWeightTex = QD3D12_FindTextureResource(g_gl.terrainWeightTexture);
if (terrainWeightTex && terrainWeightTex->texture && terrainWeightTex->srvIndex != UINT_MAX && terrainWeightTex->gpuValid)
{
key.terrainWeightSrvIndex = terrainWeightTex->srvIndex;
key.useTerrainWeightTexture = 1.0f;
}
else
{
key.terrainWeightSrvIndex = g_gl.whiteTexture.srvIndex;
key.useTerrainWeightTexture = 0.0f;
}
key.tex0SrvIndex = key.terrainLayerSrvIndex[0];
key.tex1SrvIndex = key.terrainLayerSrvIndex[1];
key.normalMapSrvIndex = key.terrainLayerSrvIndex[2];
key.glowMapSrvIndex = key.terrainLayerSrvIndex[3];
key.specularMapSrvIndex = key.terrainWeightSrvIndex;
key.useNormalMap = 0.0f;
key.useGlowMap = 0.0f;
key.useSpecularMap = 0.0f;
key.useNeuralPOM = 0.0f;
key.useTessellation = false;
key.useVertexColor = 1.0f;
key.pipeline = PickPipeline(true, false);
}
key.useARBPrograms = !g_gl.terrainBlendEnabled && QD3D12ARB_IsActive();
if (key.useARBPrograms)
{
key.arbVertexProgram = QD3D12ARB_GetBoundVertexProgram();
@@ -6191,6 +6365,14 @@ static BatchKey BuildCurrentBatchKey(GLenum originalMode, const TextureResource*
key.currentColor[2] = g_gl.curColor[2];
key.currentColor[3] = g_gl.curColor[3];
key.useVertexColor = g_gl.colorArray.enabled ? 1.0f : 0.0f;
if (key.useTerrainBlend > 0.5f)
{
key.useTex0 = 1.0f;
key.useTex1 = 0.0f;
key.tex1IsLightmap = 0.0f;
key.useVertexColor = 1.0f;
key.pipeline = PickPipeline(true, false);
}
QD3D12_FillTexCombineKey(key, 0);
QD3D12_FillTexCombineKey(key, 1);
key.colorWriteMask = QD3D12_CurrentColorWriteMask();
@@ -6238,6 +6420,8 @@ static BatchKey BuildCurrentBatchKey(GLenum originalMode, const TextureResource*
key.useTessellation = QD3D12_ShouldEnableNormalMapTessellation(originalMode, key);
if (key.useNeuralPOM > 0.5f)
key.useTessellation = false;
if (key.useTerrainBlend > 0.5f)
key.useTessellation = false;
if (key.useARBPrograms)
key.useTessellation = false;
g_gl.currObjectMVPs[key.motionObjectId] = key.mvp;
@@ -6381,6 +6565,17 @@ static uint64_t QD3D12_CurrentImmediateBatchStateStamp(
QD3D12_MixHashFloat(h, g_gl.currentGlowMapStrength);
QD3D12_MixHash(h, g_gl.currentSpecularMapTexture);
QD3D12_MixHashFloat(h, g_gl.currentSpecularMapStrength);
QD3D12_MixHash(h, g_gl.terrainBlendEnabled ? 1ull : 0ull);
for (UINT i = 0; i < 4; ++i)
{
QD3D12_MixHash(h, g_gl.terrainLayerTextures[i]);
QD3D12_MixTextureStamp(h, QD3D12_FindTextureResource(g_gl.terrainLayerTextures[i]));
QD3D12_MixHash(h, g_gl.terrainLayerNormalTextures[i]);
QD3D12_MixTextureStamp(h, QD3D12_FindTextureResource(g_gl.terrainLayerNormalTextures[i]));
}
QD3D12_MixHash(h, g_gl.terrainWeightTexture);
QD3D12_MixTextureStamp(h, QD3D12_FindTextureResource(g_gl.terrainWeightTexture));
QD3D12_MixHashFloat(h, g_gl.terrainBlendOpacity);
return h ? h : 1ull;
}
@@ -6443,6 +6638,17 @@ static uint64_t QD3D12_GatherImmediateTextureCandidates(bool arbProgramsActive,
QD3D12_MixHash(h, g_gl.currentSpecularMapTexture);
QD3D12_MixHash(h, g_gl.currentNeuralPOMTexture);
QD3D12_MixHash(h, g_gl.neuralPOMEnabled ? 1ull : 0ull);
QD3D12_MixHash(h, g_gl.terrainBlendEnabled ? 1ull : 0ull);
for (UINT layer = 0; layer < 4; ++layer)
{
QD3D12_MixHash(h, g_gl.terrainLayerTextures[layer]);
QD3D12_MixTextureStamp(h, QD3D12_FindTextureResource(g_gl.terrainLayerTextures[layer]));
QD3D12_MixHash(h, g_gl.terrainLayerNormalTextures[layer]);
QD3D12_MixTextureStamp(h, QD3D12_FindTextureResource(g_gl.terrainLayerNormalTextures[layer]));
}
QD3D12_MixHash(h, g_gl.terrainWeightTexture);
QD3D12_MixTextureStamp(h, QD3D12_FindTextureResource(g_gl.terrainWeightTexture));
QD3D12_MixHashFloat(h, g_gl.terrainBlendOpacity);
for (UINT unit = 0; unit < QD3D12_MaxTextureUnits; ++unit)
{
@@ -6472,6 +6678,12 @@ static uint64_t QD3D12_GatherImmediateTextureCandidates(bool arbProgramsActive,
QD3D12_MixTextureStamp(h, g_gl.currentGlowMapTexture != 0 ? QD3D12_FindTextureResource(g_gl.currentGlowMapTexture) : nullptr);
QD3D12_MixTextureStamp(h, g_gl.currentSpecularMapTexture != 0 ? QD3D12_FindTextureResource(g_gl.currentSpecularMapTexture) : nullptr);
QD3D12_MixTextureStamp(h, g_gl.currentNeuralPOMTexture != 0 ? QD3D12_FindTextureResource(g_gl.currentNeuralPOMTexture) : nullptr);
for (UINT layer = 0; layer < 4; ++layer)
{
QD3D12_MixTextureStamp(h, g_gl.terrainLayerTextures[layer] != 0 ? QD3D12_FindTextureResource(g_gl.terrainLayerTextures[layer]) : nullptr);
QD3D12_MixTextureStamp(h, g_gl.terrainLayerNormalTextures[layer] != 0 ? QD3D12_FindTextureResource(g_gl.terrainLayerNormalTextures[layer]) : nullptr);
}
QD3D12_MixTextureStamp(h, g_gl.terrainWeightTexture != 0 ? QD3D12_FindTextureResource(g_gl.terrainWeightTexture) : nullptr);
return h ? h : 1ull;
}
@@ -6497,6 +6709,31 @@ static QD3D12PreparedImmediateTextures QD3D12_PrepareImmediateTextures(bool arbP
}
}
if (g_gl.terrainBlendEnabled)
{
for (UINT layer = 0; layer < 4; ++layer)
{
TextureResource* tex = QD3D12_FindTextureResource(g_gl.terrainLayerTextures[layer]);
if (tex && tex != &g_gl.whiteTexture && !tex->gpuValid)
{
EnsureTextureResource(*tex);
UploadTexture(*tex);
}
TextureResource* normalTex = QD3D12_FindTextureResource(g_gl.terrainLayerNormalTextures[layer]);
if (normalTex && normalTex != &g_gl.whiteTexture && !normalTex->gpuValid)
{
EnsureTextureResource(*normalTex);
UploadTexture(*normalTex);
}
}
TextureResource* weightTex = QD3D12_FindTextureResource(g_gl.terrainWeightTexture);
if (weightTex && weightTex != &g_gl.whiteTexture && !weightTex->gpuValid)
{
EnsureTextureResource(*weightTex);
UploadTexture(*weightTex);
}
}
prepared.normalMapTex = QD3D12_SelectNormalMapTexture(prepared.boundTextures);
if (prepared.normalMapTex && prepared.normalMapTex != &g_gl.whiteTexture && !prepared.normalMapTex->gpuValid)
{
@@ -13376,6 +13613,70 @@ static void QD3D12_CopyRGBARegionIntoTexture(TextureResource& tex, GLint xoffset
QD3D12_InvalidateTextureMipChain(tex, true);
}
static bool QD3D12_UploadRGBA8RegionToTexture(TextureResource& tex, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, const uint8_t* rgbaBytes)
{
if (!g_currentWindow || !g_gl.cmdList || !g_gl.frameOpen || !tex.texture || !tex.gpuValid || !rgbaBytes)
return false;
if (tex.compressed || tex.dxgiFormat != DXGI_FORMAT_R8G8B8A8_UNORM)
return false;
if (xoffset < 0 || yoffset < 0 || width <= 0 || height <= 0 || xoffset + width > tex.width || yoffset + height > tex.height)
return false;
ID3D12GraphicsCommandList* cl = g_gl.cmdList.Get();
if (tex.state != D3D12_RESOURCE_STATE_COPY_DEST)
{
D3D12_RESOURCE_BARRIER toCopy{};
toCopy.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
toCopy.Transition.pResource = tex.texture.Get();
toCopy.Transition.StateBefore = tex.state;
toCopy.Transition.StateAfter = D3D12_RESOURCE_STATE_COPY_DEST;
toCopy.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
cl->ResourceBarrier(1, &toCopy);
tex.state = D3D12_RESOURCE_STATE_COPY_DEST;
}
const UINT srcRowBytes = (UINT)width * 4u;
const UINT rowPitch = (srcRowBytes + 255u) & ~255u;
const UINT uploadSize = rowPitch * (UINT)height;
UploadAlloc alloc = QD3D12_AllocUpload(uploadSize, D3D12_TEXTURE_DATA_PLACEMENT_ALIGNMENT);
uint8_t* dstBase = (uint8_t*)alloc.cpu;
memset(dstBase, 0, uploadSize);
for (UINT row = 0; row < (UINT)height; ++row)
{
memcpy(dstBase + (size_t)row * rowPitch,
rgbaBytes + (size_t)row * srcRowBytes,
srcRowBytes);
}
D3D12_TEXTURE_COPY_LOCATION srcLoc{};
srcLoc.pResource = g_currentWindow->upload.resource[g_currentWindow->frameIndex].Get();
srcLoc.Type = D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT;
srcLoc.PlacedFootprint.Offset = alloc.offset;
srcLoc.PlacedFootprint.Footprint.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
srcLoc.PlacedFootprint.Footprint.Width = (UINT)width;
srcLoc.PlacedFootprint.Footprint.Height = (UINT)height;
srcLoc.PlacedFootprint.Footprint.Depth = 1;
srcLoc.PlacedFootprint.Footprint.RowPitch = rowPitch;
D3D12_TEXTURE_COPY_LOCATION dstLoc{};
dstLoc.pResource = tex.texture.Get();
dstLoc.Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX;
dstLoc.SubresourceIndex = 0;
cl->CopyTextureRegion(&dstLoc, (UINT)xoffset, (UINT)yoffset, 0, &srcLoc, nullptr);
D3D12_RESOURCE_BARRIER toSrv{};
toSrv.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
toSrv.Transition.pResource = tex.texture.Get();
toSrv.Transition.StateBefore = D3D12_RESOURCE_STATE_COPY_DEST;
toSrv.Transition.StateAfter = D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE | D3D12_RESOURCE_STATE_NON_PIXEL_SHADER_RESOURCE;
toSrv.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
cl->ResourceBarrier(1, &toSrv);
tex.state = D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE | D3D12_RESOURCE_STATE_NON_PIXEL_SHADER_RESOURCE;
tex.gpuValid = true;
return true;
}
static PipelineMode PickPipeline(bool useTex0, bool useTex1)
{
const bool textured = useTex0 || useTex1;
@@ -13793,6 +14094,7 @@ static void QD3D12_FlushQueuedBatches()
D3D12_GPU_DESCRIPTOR_HANDLE lastSpecularMap{};
D3D12_GPU_DESCRIPTOR_HANDLE lastNeuralWeights{};
D3D12_GPU_DESCRIPTOR_HANDLE lastNeuralLatent{};
D3D12_GPU_DESCRIPTOR_HANDLE lastTerrainNormal[4]{};
bool haveLastTex0 = false;
bool haveLastTex1 = false;
bool haveLastNormalMap = false;
@@ -13800,6 +14102,7 @@ static void QD3D12_FlushQueuedBatches()
bool haveLastSpecularMap = false;
bool haveLastNeuralWeights = false;
bool haveLastNeuralLatent = false;
bool haveLastTerrainNormal[4] = {};
D3D12_PRIMITIVE_TOPOLOGY lastTopo = D3D_PRIMITIVE_TOPOLOGY_UNDEFINED;
for (size_t i = 0; i < g_gl.queuedBatches.size(); ++i)
@@ -13940,10 +14243,12 @@ static void QD3D12_FlushQueuedBatches()
dc->neuralPomPad[2] = ClampValue<float>(1.0f + (neuralStrength - 1.0f) * 0.65f, 1.0f, 3.0f);
dc->neuralPomPad[3] = ClampValue<float>(1.0f + (neuralStrength - 1.0f) * 0.45f, 1.0f, 2.5f);
memcpy(dc->currentColor, batch.key.currentColor, sizeof(dc->currentColor));
if (batch.key.useTerrainBlend > 0.5f)
memcpy(dc->currentColor, batch.key.terrainLayerNormalMask, sizeof(dc->currentColor));
dc->vertexColorPad[0] = batch.key.useVertexColor;
dc->vertexColorPad[1] = 0.0f;
dc->vertexColorPad[2] = 0.0f;
dc->vertexColorPad[3] = 0.0f;
dc->vertexColorPad[1] = batch.key.useTerrainBlend;
dc->vertexColorPad[2] = batch.key.terrainBlendOpacity;
dc->vertexColorPad[3] = batch.key.useTerrainWeightTexture;
if (batch.key.useARBPrograms && batch.key.arbConstants)
{
@@ -14010,6 +14315,8 @@ static void QD3D12_FlushQueuedBatches()
haveLastSpecularMap = false;
haveLastNeuralWeights = false;
haveLastNeuralLatent = false;
for (UINT layer = 0; layer < 4; ++layer)
haveLastTerrainNormal[layer] = false;
}
else
{
@@ -14092,6 +14399,21 @@ static void QD3D12_FlushQueuedBatches()
lastNeuralLatent = neuralLatentGpu;
haveLastNeuralLatent = true;
}
for (UINT layer = 0; layer < 4; ++layer)
{
UINT terrainNormalSrvIndex = batch.key.terrainLayerNormalSrvIndex[layer];
if (terrainNormalSrvIndex == UINT_MAX)
terrainNormalSrvIndex = g_gl.whiteTexture.srvIndex;
D3D12_GPU_DESCRIPTOR_HANDLE terrainNormalGpu = QD3D12_SrvGpu(terrainNormalSrvIndex);
if (!haveLastTerrainNormal[layer] || terrainNormalGpu.ptr != lastTerrainNormal[layer].ptr)
{
g_gl.cmdList->SetGraphicsRootDescriptorTable(8 + layer, terrainNormalGpu);
lastTerrainNormal[layer] = terrainNormalGpu;
haveLastTerrainNormal[layer] = true;
}
}
}
g_gl.cmdList->SetGraphicsRootConstantBufferView(0, cbAlloc.gpu);
@@ -15002,6 +15324,57 @@ void APIENTRY glTextureAverageColorQD3D12(GLuint texture, GLfloat r, GLfloat g,
tex.cpuGeneration++;
}
void APIENTRY glTerrainBlendEnableQD3D12(GLboolean enable)
{
g_gl.terrainBlendEnabled = (enable != GL_FALSE);
}
void APIENTRY glEnableTerrainBlendQD3D12(GLboolean enable)
{
glTerrainBlendEnableQD3D12(enable);
}
void APIENTRY glTerrainLayerTextureQD3D12(GLuint layer, GLuint texture)
{
if (layer >= 4)
{
g_gl.lastError = GL_INVALID_VALUE;
return;
}
if (texture != 0)
(void)QD3D12_EnsureTextureName(texture);
g_gl.terrainLayerTextures[layer] = texture;
}
void APIENTRY glTerrainLayerNormalTextureQD3D12(GLuint layer, GLuint texture)
{
if (layer >= 4)
{
g_gl.lastError = GL_INVALID_VALUE;
return;
}
if (texture != 0)
(void)QD3D12_EnsureTextureName(texture);
g_gl.terrainLayerNormalTextures[layer] = texture;
}
void APIENTRY glTerrainWeightTextureQD3D12(GLuint texture)
{
if (texture != 0)
(void)QD3D12_EnsureTextureName(texture);
g_gl.terrainWeightTexture = texture;
}
void APIENTRY glTerrainBlendOpacityQD3D12(GLfloat opacity)
{
g_gl.terrainBlendOpacity = ClampValue<float>(opacity, 0.0f, 1.0f);
}
void APIENTRY glRaytracingMaterialFlagsQD3D12(GLuint flags)
{
g_gl.currentRayMaterialFlags = QD3D12_ClampRayMaterialFlags((uint32_t)flags);
@@ -15975,6 +16348,9 @@ void APIENTRY glTexSubImage2D(GLenum, GLint level, GLint xoffset, GLint yoffset,
}
const int bpp = BytesPerPixel(format, type);
if (bpp <= 0 || xoffset < 0 || yoffset < 0 || width <= 0 || height <= 0 || xoffset + width > tex.width || yoffset + height > tex.height)
return;
if (tex.sysmem.empty())
tex.sysmem.resize((size_t)tex.width * (size_t)tex.height * (size_t)bpp);
@@ -15986,7 +16362,21 @@ void APIENTRY glTexSubImage2D(GLenum, GLint level, GLint xoffset, GLint yoffset,
memcpy(tex.sysmem.data() + dstOff, src + srcOff, (size_t)width * (size_t)bpp);
}
QD3D12_InvalidateTextureMipChain(tex, true);
const bool canUploadRegion =
format == GL_RGBA &&
type == GL_UNSIGNED_BYTE &&
bpp == 4 &&
tex.dxgiFormat == DXGI_FORMAT_R8G8B8A8_UNORM;
QD3D12_InvalidateTextureMipChain(tex, !canUploadRegion);
EnsureTextureResource(tex);
if (canUploadRegion && QD3D12_UploadRGBA8RegionToTexture(tex, xoffset, yoffset, width, height, src))
{
EnsureTextureResource(tex);
return;
}
tex.gpuValid = false;
EnsureTextureResource(tex);
}
@@ -18125,6 +18515,12 @@ PROC WINAPI qd3d12_wglGetProcAddress(LPCSTR name) {
{ "glBindSpecularMapTexture", (PROC)glBindSpecularMapTexture },
{ "glSpecularMapTexture", (PROC)glSpecularMapTexture },
{ "glSpecularMapStrengthf", (PROC)glSpecularMapStrengthf },
{ "glTerrainBlendEnableQD3D12", (PROC)glTerrainBlendEnableQD3D12 },
{ "glEnableTerrainBlendQD3D12", (PROC)glEnableTerrainBlendQD3D12 },
{ "glTerrainLayerTextureQD3D12", (PROC)glTerrainLayerTextureQD3D12 },
{ "glTerrainLayerNormalTextureQD3D12", (PROC)glTerrainLayerNormalTextureQD3D12 },
{ "glTerrainWeightTextureQD3D12", (PROC)glTerrainWeightTextureQD3D12 },
{ "glTerrainBlendOpacityQD3D12", (PROC)glTerrainBlendOpacityQD3D12 },
{ "glGlassMaterialQD3D12", (PROC)glGlassMaterialQD3D12 },
{ "glMaterialGlassQD3D12", (PROC)glMaterialGlassQD3D12 },
{ "glRaytracingMaterialFlagsQD3D12", (PROC)glRaytracingMaterialFlagsQD3D12 },
File diff suppressed because it is too large Load Diff
+12
View File
@@ -2392,6 +2392,9 @@ void glRaytracingLightingSetVolumetricScattering(glRaytracingLight_t* light, flo
#ifndef GL_GLOW_MAP_BINDING_QD3D12
#define GL_GLOW_MAP_BINDING_QD3D12 0x6005
#endif
#ifndef GL_QD3D12_TERRAIN_BLEND
#define GL_QD3D12_TERRAIN_BLEND 0x600F
#endif
// Glow-map material tagging / binding. Tagging is optional but lets the shim
// auto-discover a glow map from bound texture units. Explicit binding wins.
@@ -2401,6 +2404,15 @@ void APIENTRY glBindGlowMapTexture(GLuint texture); // 0 disabl
void APIENTRY glGlowMapTexture(GLuint texture); // alias
void APIENTRY glGlowMapStrengthf(GLfloat strength); // default 1.0; >1 allows overbright emission
// Single-pass terrain splat preview/runtime path. The shader samples up to four
// layer textures and blends them with RGBA vertex colors as normalized weights.
void APIENTRY glTerrainBlendEnableQD3D12(GLboolean enable);
void APIENTRY glEnableTerrainBlendQD3D12(GLboolean enable);
void APIENTRY glTerrainLayerTextureQD3D12(GLuint layer, GLuint texture);
void APIENTRY glTerrainLayerNormalTextureQD3D12(GLuint layer, GLuint texture);
void APIENTRY glTerrainWeightTextureQD3D12(GLuint texture);
void APIENTRY glTerrainBlendOpacityQD3D12(GLfloat opacity);
int APIENTRY glSetTopLevelAccelStructureVisible(
glRaytracingSceneHandle_t scene,
uint32_t topLevelHandle,
@@ -0,0 +1,472 @@
////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
////////////////////////////////////////////////////////////////////////////////
#include <assert.h>
#include "CullingThreadpool.h"
#define SAFE_DELETE(X) {if (X != nullptr) delete X; X = nullptr;}
#define SAFE_DELETE_ARRAY(X) {if (X != nullptr) delete[] X; X = nullptr;}
template<class T> CullingThreadpool::StateData<T>::StateData(unsigned int maxJobs) :
mMaxJobs(maxJobs),
mCurrentIdx(~0)
{
mData = new T[mMaxJobs];
}
template<class T> CullingThreadpool::StateData<T>::~StateData()
{
SAFE_DELETE_ARRAY(mData);
}
template<class T> void CullingThreadpool::StateData<T>::AddData(const T &data)
{
mCurrentIdx++; mData[mCurrentIdx % mMaxJobs] = data;
}
template<class T> const T *CullingThreadpool::StateData<T>::GetData() const
{
return &mData[mCurrentIdx % mMaxJobs];
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Helper class: Mostly lockless queue for render jobs
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
CullingThreadpool::RenderJobQueue::RenderJobQueue(unsigned int nBins, unsigned int maxJobs) :
mNumBins(nBins),
mMaxJobs(maxJobs)
{
mRenderPtrs = new std::atomic_uint[mNumBins];
mBinMutexes = new std::atomic_uint[mNumBins];
for (unsigned int i = 0; i < mNumBins; ++i)
mBinMutexes[i] = 0;
mJobs = new Job[mMaxJobs];
for (unsigned int i = 0; i < mMaxJobs; ++i)
mJobs[i].mRenderJobs = new TriList[mNumBins];
// Compute worst case job size (we allocate memory for the worst case)
const unsigned int TriSize = 3 * 3;
const unsigned int MaxTrisPerJob = TRIS_PER_JOB * 6;
const unsigned int MaxJobSize = MaxTrisPerJob * TriSize;
mTrilistData = new float[MaxJobSize * mMaxJobs * mNumBins];
// Setup trilist objects used for binning
for (unsigned int i = 0; i < mMaxJobs; ++i)
{
for (unsigned int j = 0; j < mNumBins; ++j)
{
int idx = i*mNumBins + j;
TriList &tList = mJobs[i].mRenderJobs[j];
tList.mNumTriangles = MaxTrisPerJob;
tList.mTriIdx = 0;
tList.mPtr = mTrilistData + idx*MaxJobSize;
}
}
// Clear render queue
Reset();
}
CullingThreadpool::RenderJobQueue::~RenderJobQueue()
{
SAFE_DELETE_ARRAY(mRenderPtrs);
SAFE_DELETE_ARRAY(mBinMutexes);
for (unsigned int i = 0; i < mMaxJobs; ++i)
SAFE_DELETE_ARRAY(mJobs[i].mRenderJobs);
SAFE_DELETE_ARRAY(mJobs);
SAFE_DELETE_ARRAY(mTrilistData);
}
inline unsigned int CullingThreadpool::RenderJobQueue::GetMinRenderPtr() const
{
unsigned int minRenderPtr = mRenderPtrs[0];
for (unsigned int i = 1; i < mNumBins; ++i)
{
unsigned int renderPtr = mRenderPtrs[i];
minRenderPtr = renderPtr < minRenderPtr ? renderPtr : minRenderPtr;
}
return minRenderPtr;
}
inline void CullingThreadpool::RenderJobQueue::AdvanceRenderJob(int binIdx)
{
mRenderPtrs[binIdx]++;
mBinMutexes[binIdx] = 0;
}
inline unsigned int CullingThreadpool::RenderJobQueue::GetBestGlobalQueue() const
{
// Find least advanced queue
unsigned int bestBin = ~0, bestPtr = mWritePtr;
for (unsigned int i = 0; i < mNumBins; ++i)
{
if (mRenderPtrs[i] < bestPtr && mBinMutexes[i] == 0)
{
bestBin = i;
bestPtr = mRenderPtrs[i];
}
}
return bestBin;
}
inline bool CullingThreadpool::RenderJobQueue::IsPipelineEmpty() const
{
return GetMinRenderPtr() == mWritePtr;
}
inline bool CullingThreadpool::RenderJobQueue::CanWrite() const
{
return mWritePtr - GetMinRenderPtr() < mMaxJobs;
}
inline bool CullingThreadpool::RenderJobQueue::CanBin() const
{
return mBinningPtr < mWritePtr && mBinningPtr - GetMinRenderPtr() < mMaxJobs;
}
inline CullingThreadpool::RenderJobQueue::Job *CullingThreadpool::RenderJobQueue::GetWriteJob()
{
return &mJobs[mWritePtr % mMaxJobs];
}
inline void CullingThreadpool::RenderJobQueue::AdvanceWriteJob()
{
mWritePtr++;
}
inline CullingThreadpool::RenderJobQueue::Job *CullingThreadpool::RenderJobQueue::GetBinningJob()
{
unsigned int binningPtr = mBinningPtr;
if (binningPtr < mWritePtr && binningPtr - GetMinRenderPtr() < mMaxJobs)
{
if (mBinningPtr.compare_exchange_strong(binningPtr, binningPtr + 1))
{
mJobs[binningPtr % mMaxJobs].mBinningJobStartedIdx = binningPtr;
return &mJobs[binningPtr % mMaxJobs];
}
}
return nullptr;
}
inline void CullingThreadpool::RenderJobQueue::FinishedBinningJob(Job *job)
{
job->mBinningJobCompletedIdx = job->mBinningJobStartedIdx;
}
inline CullingThreadpool::RenderJobQueue::Job *CullingThreadpool::RenderJobQueue::GetRenderJob(int binIdx)
{
// Attempt to lock bin mutex
unsigned int expected = 0;
if (!mBinMutexes[binIdx].compare_exchange_strong(expected, 1))
return nullptr;
// Check any items in the queue, and bail if empty
if (mRenderPtrs[binIdx] != mJobs[mRenderPtrs[binIdx] % mMaxJobs].mBinningJobCompletedIdx)
{
mBinMutexes[binIdx] = 0;
return nullptr;
}
return &mJobs[mRenderPtrs[binIdx] % mMaxJobs];
}
void CullingThreadpool::RenderJobQueue::Reset()
{
mWritePtr = 0;
mBinningPtr = 0;
for (unsigned int i = 0; i < mNumBins; ++i)
mRenderPtrs[i] = 0;
for (unsigned int i = 0; i < mMaxJobs; ++i)
{
mJobs[i].mBinningJobCompletedIdx = -1;
mJobs[i].mBinningJobStartedIdx = -1;
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Culling threadpool private helper functions
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CullingThreadpool::SetupScissors()
{
unsigned int width, height;
mMOC->GetResolution(width, height);
unsigned int binWidth;
unsigned int binHeight;
mMOC->ComputeBinWidthHeight(mBinsW, mBinsH, binWidth, binHeight);
for (unsigned int ty = 0; ty < mBinsH; ++ty)
{
for (unsigned int tx = 0; tx < mBinsW; ++tx)
{
unsigned int threadIdx = tx + ty*mBinsW;
// Adjust rects on final row / col to match resolution
mRects[threadIdx].mMinX = tx*binWidth;
mRects[threadIdx].mMaxX = tx + 1 == mBinsW ? width : (tx + 1) * binWidth;
mRects[threadIdx].mMinY = ty * binHeight;
mRects[threadIdx].mMaxY = ty + 1 == mBinsH ? height : (ty + 1) * binHeight;
}
}
}
void CullingThreadpool::ThreadRun(CullingThreadpool *threadPool, unsigned int threadId)
{
threadPool->ThreadMain(threadId);
}
void CullingThreadpool::ThreadMain(unsigned int threadIdx)
{
while (true)
{
bool threadIsIdle = true;
unsigned int threadBinIdx = threadIdx;
// Wait for threads to be woken up (low CPU load sleep)
std::unique_lock<std::mutex> lock(mSuspendedMutex);
mNumSuspendedThreads++;
mSuspendedCV.wait(lock, [&] {return !mSuspendThreads; });
mNumSuspendedThreads--;
lock.unlock();
// Loop until suspended again
while (!mSuspendThreads || !threadIsIdle)
{
if (mKillThreads)
return;
threadIsIdle = false;
// Prio 1: Process any render jobs local to this thread
unsigned int binIdx = threadBinIdx;
threadBinIdx = threadBinIdx + mNumThreads < mNumBins ? threadBinIdx + mNumThreads : threadIdx;
RenderJobQueue::Job *job = mRenderQueue->GetRenderJob(binIdx);
if (job != nullptr)
{
if (job->mRenderJobs[binIdx].mTriIdx > 0)
mMOC->RenderTrilist(job->mRenderJobs[binIdx], &mRects[binIdx]);
mRenderQueue->AdvanceRenderJob(binIdx);
continue;
}
// Prio 2: Process any outstanding setup/binning jobs
if (mRenderQueue->CanBin())
{
// If no more rasterization jobs, get next binning job
RenderJobQueue::Job *job = mRenderQueue->GetBinningJob();
if (job != nullptr)
{
RenderJobQueue::BinningJob &sjob = job->mBinningJob;
for (unsigned int i = 0; i < mNumBins; ++i)
job->mRenderJobs[i].mTriIdx = 0;
mMOC->BinTriangles(sjob.mVerts, sjob.mTris, sjob.nTris, job->mRenderJobs, mBinsW, mBinsH, sjob.mMatrix, sjob.mBfWinding, sjob.mClipPlanes, *sjob.mVtxLayout);
mRenderQueue->FinishedBinningJob(job);
}
continue;
}
// Prio 3: No work is available, work steal from another thread's queue
if (mNumBins > mNumThreads)
{
binIdx = mRenderQueue->GetBestGlobalQueue();
if (binIdx < mRenderQueue->mNumBins)
{
RenderJobQueue::Job *job = mRenderQueue->GetRenderJob(binIdx);
if (job != nullptr)
{
if (job->mRenderJobs[binIdx].mTriIdx > 0)
mMOC->RenderTrilist(job->mRenderJobs[binIdx], &mRects[binIdx]);
mRenderQueue->AdvanceRenderJob(binIdx);
}
continue;
}
}
// No work available: Yield this thread
std::this_thread::yield();
threadIsIdle = true;
}
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Culling threadpool public API, similar to the MaskedOcclusionCulling class
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
CullingThreadpool::CullingThreadpool(unsigned int numThreads, unsigned int binsW, unsigned int binsH, unsigned int maxJobs) :
mNumThreads(numThreads),
mMaxJobs(maxJobs),
mBinsW(binsW),
mBinsH(binsH),
mKillThreads(false),
mSuspendThreads(true),
mNumSuspendedThreads(0),
mModelToClipMatrices(maxJobs),
mVertexLayouts(maxJobs),
mMOC(nullptr)
{
mNumBins = mBinsW*mBinsH;
assert(mNumBins >= mNumThreads); // Having less bins than threads is a bad idea!
mRects = new ScissorRect[mNumBins];
mRenderQueue = new RenderJobQueue(mNumBins, mMaxJobs);
// Add default vertex layout and matrix
mVertexLayouts.AddData(VertexLayout(16, 4, 12));
mCurrentMatrix = nullptr;
mThreads = new std::thread[mNumThreads];
for (unsigned int i = 0; i < mNumThreads; ++i)
mThreads[i] = std::thread(ThreadRun, this, i);
}
CullingThreadpool::~CullingThreadpool()
{
// Wait for threads to terminate
if (mThreads != nullptr || !mKillThreads)
{
WakeThreads();
mKillThreads = true;
for (unsigned int i = 0; i < mNumThreads; ++i)
mThreads[i].join();
}
// Free memory
SAFE_DELETE(mRenderQueue);
SAFE_DELETE_ARRAY(mRects);
SAFE_DELETE_ARRAY(mThreads);
}
void CullingThreadpool::WakeThreads()
{
// Wait for all threads to be in suspended mode
while (mNumSuspendedThreads < mNumThreads)
std::this_thread::yield();
// Send wake up event
std::unique_lock<std::mutex> lock(mSuspendedMutex);
mSuspendThreads = false;
lock.unlock();
mSuspendedCV.notify_all();
}
void CullingThreadpool::SuspendThreads()
{
// Signal threads to go into suspended mode (after finishing all outstanding work)
mSuspendThreads = true;
}
void CullingThreadpool::Flush()
{
// Wait for pipeline to be empty (i.e. all work is finished)
while (!mRenderQueue->IsPipelineEmpty())
std::this_thread::yield();
// Reset queue counters
mRenderQueue->Reset();
}
void CullingThreadpool::SetBuffer(MaskedOcclusionCulling *moc)
{
Flush();
mMOC = moc;
SetupScissors();
}
void CullingThreadpool::SetResolution(unsigned int width, unsigned int height)
{
Flush();
mMOC->SetResolution(width, height);
SetupScissors();
}
void CullingThreadpool::SetNearClipPlane(float nearDist)
{
Flush();
mMOC->SetNearClipPlane(nearDist);
}
void CullingThreadpool::SetMatrix(const float *modelToClipMatrix)
{
// Treat nullptr matrix as a special case, otherwise copy the contents of the pointer and add to state
if (modelToClipMatrix == nullptr)
mCurrentMatrix = nullptr;
else
{
mModelToClipMatrices.AddData(Matrix4x4(modelToClipMatrix));
mCurrentMatrix = mModelToClipMatrices.GetData()->mValues;
}
}
void CullingThreadpool::SetVertexLayout(const VertexLayout &vtxLayout)
{
mVertexLayouts.AddData(vtxLayout);
}
void CullingThreadpool::ClearBuffer()
{
Flush();
mMOC->ClearBuffer();
}
void CullingThreadpool::RenderTriangles(const float *inVtx, const unsigned int *inTris, int nTris, BackfaceWinding bfWinding, ClipPlanes clipPlaneMask)
{
#if MOC_RECORDER_ENABLE != 0
mMOC->RecordRenderTriangles( inVtx, inTris, nTris, mCurrentMatrix, clipPlaneMask, bfWinding, *mVertexLayouts.GetData( ) );
#endif
for (int i = 0; i < nTris; i += TRIS_PER_JOB)
{
// Yield if work queue is full
while (!mRenderQueue->CanWrite())
std::this_thread::yield();
// Create new renderjob
RenderJobQueue::Job *job = mRenderQueue->GetWriteJob();
job->mBinningJob.mVerts = inVtx;
job->mBinningJob.mTris = inTris + i * 3;
job->mBinningJob.nTris = nTris - i < TRIS_PER_JOB ? nTris - i : TRIS_PER_JOB;
job->mBinningJob.mMatrix = mCurrentMatrix;
job->mBinningJob.mClipPlanes = clipPlaneMask;
job->mBinningJob.mBfWinding = bfWinding;
job->mBinningJob.mVtxLayout = mVertexLayouts.GetData();
mRenderQueue->AdvanceWriteJob();
}
}
CullingThreadpool::CullingResult CullingThreadpool::TestRect(float xmin, float ymin, float xmax, float ymax, float wmin)
{
return mMOC->TestRect(xmin, ymin, xmax, ymax, wmin);
}
CullingThreadpool::CullingResult CullingThreadpool::TestTriangles(const float *inVtx, const unsigned int *inTris, int nTris, BackfaceWinding bfWinding, ClipPlanes clipPlaneMask)
{
return mMOC->TestTriangles(inVtx, inTris, nTris, mCurrentMatrix, bfWinding, clipPlaneMask, *mVertexLayouts.GetData());
}
void CullingThreadpool::ComputePixelDepthBuffer(float *depthData, bool flipY)
{
Flush();
mMOC->ComputePixelDepthBuffer(depthData, flipY);
}
@@ -0,0 +1,309 @@
////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
////////////////////////////////////////////////////////////////////////////////
#pragma once
/*!
* \file CullingThreadpool.h
* \brief Worker threadpool example for threaded masked occlusion culling.
*
* This class implements a threadpool for occluder rendering. Calls to CullingThreadpool::RenderTriangle()
* will immediately return, after adding work items to a queue, and occluder rendering is performed
* by worker threads as quickly as possible. Occlusion queries are performed directly on the calling
* threadand can be performed either synchronosly, by calling Flush() before executing the query, or
* asynchronosly, by performing the query without waiting for the worker threads to finish.
*
* Note that this implementation should be considered an example rather than the best threading
* solution. You may want to integrate threading in your own task system, and it may also be beneficial
* to thread the traversal code. Refer to MaskedOcclusionCulling::BinTriangles() and
* MaskedOcclusionCulling::RenderTrilist() for functions that can be used to make your own
* threaded culling system.
*/
#include <thread>
#include <atomic>
#include <mutex>
#include <condition_variable>
#include "MaskedOcclusionCulling.h"
class CullingThreadpool
{
protected:
static const int TRIS_PER_JOB = 1024; // Maximum number of triangles per job (bigger drawcalls are split), affects memory requirements
typedef MaskedOcclusionCulling::CullingResult CullingResult;
typedef MaskedOcclusionCulling::ClipPlanes ClipPlanes;
typedef MaskedOcclusionCulling::BackfaceWinding BackfaceWinding;
typedef MaskedOcclusionCulling::ScissorRect ScissorRect;
typedef MaskedOcclusionCulling::VertexLayout VertexLayout;
typedef MaskedOcclusionCulling::TriList TriList;
// Small utility class for 4x4 matrices
struct Matrix4x4
{
float mValues[16];
Matrix4x4() {}
Matrix4x4(const float *matrix)
{
for (int i = 0; i < 16; ++i)
mValues[i] = matrix[i];
}
};
// Internal utility class for a (mostly) lockless queue for binning & rendering jobs
struct RenderJobQueue
{
struct BinningJob
{
const float* mVerts;
const unsigned int* mTris;
unsigned int nTris;
const float* mMatrix;
ClipPlanes mClipPlanes;
BackfaceWinding mBfWinding;
const VertexLayout* mVtxLayout;
};
struct Job
{
volatile unsigned int mBinningJobStartedIdx;
volatile unsigned int mBinningJobCompletedIdx;
BinningJob mBinningJob;
TriList *mRenderJobs;
};
unsigned int mNumBins;
unsigned int mMaxJobs;
volatile unsigned int mWritePtr;
std::atomic_uint mBinningPtr;
std::atomic_uint *mRenderPtrs;
std::atomic_uint *mBinMutexes;
float *mTrilistData;
Job *mJobs;
RenderJobQueue(unsigned int nBins, unsigned int maxJobs);
~RenderJobQueue();
unsigned int GetMinRenderPtr() const;
unsigned int GetBestGlobalQueue() const;
bool IsPipelineEmpty() const;
bool CanWrite() const;
bool CanBin() const;
Job *GetWriteJob();
void AdvanceWriteJob();
Job *GetBinningJob();
void FinishedBinningJob(Job *job);
Job *GetRenderJob(int binIdx);
void AdvanceRenderJob(int binIdx);
void Reset();
};
// Internal utility class for state (matrix / vertex layout)
template<class T> struct StateData
{
unsigned int mMaxJobs;
unsigned int mCurrentIdx;
T *mData;
StateData(unsigned int maxJobs);
~StateData();
void AddData(const T &data);
const T *GetData() const;
};
// Number of worker threads and bins
unsigned int mNumThreads;
unsigned int mNumBins;
unsigned int mMaxJobs;
unsigned int mBinsW;
unsigned int mBinsH;
// Threads and control variables
std::mutex mSuspendedMutex;
std::condition_variable mSuspendedCV;
volatile bool mKillThreads;
volatile bool mSuspendThreads;
volatile unsigned int mNumSuspendedThreads;
std::thread *mThreads;
// State variables and command queue
const float *mCurrentMatrix;
StateData<Matrix4x4> mModelToClipMatrices;
StateData<VertexLayout> mVertexLayouts;
RenderJobQueue *mRenderQueue;
// Occlusion culling object and related scissor rectangles
ScissorRect *mRects;
MaskedOcclusionCulling *mMOC;
void SetupScissors();
static void ThreadRun(CullingThreadpool *threadPool, unsigned int threadId);
void ThreadMain(unsigned int threadIdx);
public:
/*!
* \brief Creates a new threadpool for masked occlusion culling. This object has a
* similar API to the MaskedOcclusionCulling class, but performs occluder
* rendering asynchronously on worker threads (similar to how DX/GL works).
*
* \param numThreads Number of worker threads to perform occluder rendering. Best
* balance may be scene/machine dependent, but it's good practice to leave at
* least one full core (2 threads with hyperthreading) for the main thread.
* \param binsW The screen is divided into binsW x binsH rectangular bins for load
* balancing. The number of bins should be atleast equal to the number of
* worker threads.
* \param binsH See description for the binsW parameter.
* \param maxJobs Maximum number of jobs that may be in flight at any given time. If
* the caller thread generates jobs faster than the worker threads can finish
* them, then the job queue will fill up and the caller thread will stall once
* "maxJobs" items have been queued up. For culling systems interleaving occlusion
* queries and rendering, this value should be kept quite low to minimize false
* positives (see TestRect()). We've observed that 32 [default] items typically
* works well for our interleaved queries, while also allowing good load-balancing,
* and this is the recommended setting.
*/
CullingThreadpool(unsigned int numThreads, unsigned int binsW, unsigned int binsH, unsigned int maxJobs = 32);
/*!
* \brief Destroys the threadpool and terminates all worker threads.
*/
~CullingThreadpool();
/*!
* \brief Wakes up culling worker threads from suspended sleep, and puts them in a
* ready state (using an idle spinlock with significantly higher CPU overhead).
*
* It may take on the order of 100us to wake up the threads, so this function should
* preferably be called slightly ahead of starting occlusion culling work.
*/
void WakeThreads();
/*!
* \brief Suspend all culling worker threads to a low CPU overhead sleep state.
*
* For performance and latency reasons, the culling work is performed in an active
* processing loop (with no thread sleeping) with high CPU overhead. In a system
* with more worker threads it's important to put the culling worker threads in a
* low overhead sleep state after occlusion culling work has completed.
*/
void SuspendThreads();
/*!
* \brief Waits for all outstanding occluder rendering work to complete. Can be used
* to ensure that rendering has completed before performing a TestRect() or
* TestTriangles() call.
*/
void Flush();
/*
* \brief Sets the MaskedOcclusionCulling object (buffer) to be used for rendering and
* testing calls. This method causes a Flush() to ensure that all unfinished
* rendering is completed.
*/
void SetBuffer(MaskedOcclusionCulling *moc);
/*
* \brief Changes the resolution of the occlusion buffer, see MaskedOcclusionCulling::SetResolution().
* This method causes a Flush() to ensure that all unfinished rendering is completed.
*/
void SetResolution(unsigned int width, unsigned int height);
/*
* \brief Sets the near clipping plane, see MaskedOcclusionCulling::SetNearClipPlane(). This
* method causes a Flush() to ensure that all unfinished rendering is completed.
*/
void SetNearClipPlane(float nearDist);
/*
* \brief Sets the model to clipspace transform matrix used for the RenderTriangles() and TestTriangles()
* function calls. The contents of the matrix is copied, and it's safe to modify it without calling
* Flush(). The copy may be costly, which is the reason for passing this parameter as "state".
*
* \param modelToClipMatrix All vertices will be transformed by the specified model to clipspace matrix.
* Passing nullptr [default] disables the transform (equivalent to using an identity matrix).
*/
void SetMatrix(const float *modelToClipMatrix = nullptr);
/*
* \brief Sets the vertex layout used for the RenderTriangles() and TestTriangles() function calls.
* The vertex layout is copied, and it's safe to modify it without calling Flush(). The copy
* may be costly, which is the reason for passing this parameter as "state".
*
* \param vtxLayout A struct specifying the vertex layout (see struct for detailed
* description). For best performance, it is advicable to store position data
* as compactly in memory as possible.
*/
void SetVertexLayout(const VertexLayout &vtxLayout = VertexLayout(16, 4, 12));
/*
* \brief Clears the occlusion buffer, see MaskedOcclusionCulling::ClearBuffer(). This method
* causes a Flush() to ensure that all unfinished rendering is completed.
*/
void ClearBuffer();
/*
* \brief Asynchronously render occluder triangles, see MaskedOcclusionCulling::RenderTriangles().
*
* This method puts the drawcall into a command queue, and immediately returns. The rendering is
* performed by the worker threads at the earliest opportunity.
*
* <B>Important:</B> As rendering is performed asynchronously, the application is not allowed to
* change the contents of the *inVtx or *inTris buffers until after rendering is completed. If
* you wish to use dynamic buffers, the application must perform a Flush() to ensure that rendering
* is finished, or make sure to rotate between more buffers than the maximum number of outstanding
* render jobs (see the CullingThreadpool() constructor).
*/
void RenderTriangles(const float *inVtx, const unsigned int *inTris, int nTris, BackfaceWinding bfWinding = MaskedOcclusionCulling::BACKFACE_CW, ClipPlanes clipPlaneMask = MaskedOcclusionCulling::CLIP_PLANE_ALL);
/*
* \brief Occlusion query for a rectangle with a given depth, see MaskedOcclusionCulling::TestRect().
*
* <B>Important:</B> This method is performed on the main thread and does not wait for outstanding
* occluder rendering to be finished. To ensure that all occluder rendering is completed you must
* perform a Flush() prior to calling this function.
*
* It is conservatively correct to perform occlusion queries without calling Flush() (it may only
* lead to objects being incorrectly classified as visible), and it can lead to much better performance
* if occlusion queries are used for traversing a BVH or similar data structure. It's possible to
* use "asynchronous" queries during traversal, and removing false positives later, when rendering
* has completed.
*/
CullingResult TestRect(float xmin, float ymin, float xmax, float ymax, float wmin);
/*
* \brief Occlusion query for a mesh, see MaskedOcclusionCulling::TestTriangles().
*
* <B>Important:</B> See the TestRect() method for a brief discussion about asynchronous occlusion
* queries.
*/
CullingResult TestTriangles(const float *inVtx, const unsigned int *inTris, int nTris, BackfaceWinding bfWinding = MaskedOcclusionCulling::BACKFACE_CW, ClipPlanes clipPlaneMask = MaskedOcclusionCulling::CLIP_PLANE_ALL);
/*!
* \brief Creates a per-pixel depth buffer from the hierarchical z buffer representation, see
* MaskedOcclusionCulling::ComputePixelDepthBuffer(). This method causes a Flush() to
* ensure that all unfinished rendering is completed.
*/
void ComputePixelDepthBuffer(float *depthData, bool flipY);
};
@@ -0,0 +1,471 @@
////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
////////////////////////////////////////////////////////////////////////////////
#include <float.h>
#include <stdio.h>
#include <stdlib.h>
#include <intrin.h>
#include <math.h>
#include <algorithm>
#include <random>
#include "../MaskedOcclusionCulling.h"
#include "../CullingThreadpool.h"
std::mt19937 gRnd;
std::uniform_real_distribution<float> gRndUniform(0, 1);
////////////////////////////////////////////////////////////////////////////////////////
// DX 11 functions
////////////////////////////////////////////////////////////////////////////////////////
#define NOMINMAX
#include <windows.h>
#include <d3d11.h>
#include <d3dcompiler.h>
#pragma comment (lib, "d3d11.lib")
#pragma comment (lib, "d3dcompiler.lib")
ID3D11Texture2D *textureZ;
ID3D11Texture2D *textureCol, *staging;
ID3D11DepthStencilView *textureDSV;
ID3D11RenderTargetView *textureRTV;
ID3D11Device *device;
ID3D11DeviceContext *context;
ID3D11RasterizerState *rastState;
ID3D11DepthStencilState *DSState;
ID3D11InputLayout *layout;
ID3D11VertexShader *VS;
ID3D11PixelShader *PS;
std::vector<ID3D11Buffer*> vBuffers;
ID3D11Query *endQuery;
#define D3DVERIFY(X) if (X != S_OK) exit(1);
void InitD3D(unsigned int width, unsigned int height, D3D_DRIVER_TYPE DriverType = D3D_DRIVER_TYPE_HARDWARE)
{
const char *shader =
"float4 VShader(float4 position : POSITION) : SV_POSITION { return position; }"
"float4 PShader(float4 position : SV_POSITION) : SV_TARGET { return 1.0f - position.z; }";
D3D_FEATURE_LEVEL fLevel;
D3DVERIFY(D3D11CreateDevice(nullptr, DriverType, nullptr, 0, nullptr, 0, D3D11_SDK_VERSION, &device, &fLevel, &context));
D3D11_TEXTURE2D_DESC tDesc;
tDesc.Width = width;
tDesc.Height = height;
tDesc.MipLevels = tDesc.ArraySize = 1;
tDesc.SampleDesc.Count = 1;
tDesc.SampleDesc.Quality = 0;
tDesc.CPUAccessFlags = 0;
tDesc.MiscFlags = 0;
tDesc.Usage = D3D11_USAGE_DEFAULT;
tDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
tDesc.BindFlags = D3D11_BIND_RENDER_TARGET;
D3DVERIFY(device->CreateTexture2D(&tDesc, nullptr, &textureCol));
tDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
tDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
D3DVERIFY(device->CreateTexture2D(&tDesc, nullptr, &textureZ));
tDesc.Usage = D3D11_USAGE_STAGING;
tDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
tDesc.BindFlags = 0;
tDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
D3DVERIFY(device->CreateTexture2D(&tDesc, nullptr, &staging));
D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc;
dsvDesc.Flags = 0;
dsvDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
dsvDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
dsvDesc.Texture2D.MipSlice = 0;
D3DVERIFY(device->CreateDepthStencilView(textureZ, &dsvDesc, &textureDSV));
D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
rtvDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
rtvDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
rtvDesc.Texture2D.MipSlice = 0;
D3DVERIFY(device->CreateRenderTargetView(textureCol, &rtvDesc, &textureRTV));
// Set the viewport
D3D11_VIEWPORT viewport;
viewport.TopLeftX = 0;
viewport.TopLeftY = 0;
viewport.Width = (float)width;
viewport.Height = (float)height;
viewport.MinDepth = 0;
viewport.MaxDepth = 1;
context->RSSetViewports(1, &viewport);
// load and compile the two shaders
ID3D10Blob *VSBlob, *PSBlob;
D3DVERIFY(D3DCompile(shader, strlen(shader), "shader", nullptr, nullptr, "VShader", "vs_5_0", 0, 0, &VSBlob, nullptr));
D3DVERIFY(D3DCompile(shader, strlen(shader), "shader", nullptr, nullptr, "PShader", "ps_5_0", 0, 0, &PSBlob, nullptr));
// encapsulate both shaders into shader objects
D3DVERIFY(device->CreateVertexShader(VSBlob->GetBufferPointer(), VSBlob->GetBufferSize(), NULL, &VS));
D3DVERIFY(device->CreatePixelShader(PSBlob->GetBufferPointer(), PSBlob->GetBufferSize(), NULL, &PS));
// set the shader objects
context->VSSetShader(VS, 0, 0);
context->PSSetShader(PS, 0, 0);
// create the input layout object
D3D11_INPUT_ELEMENT_DESC ied[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
};
D3DVERIFY(device->CreateInputLayout(ied, 1, VSBlob->GetBufferPointer(), VSBlob->GetBufferSize(), &layout));
context->IASetInputLayout(layout);
D3D11_RASTERIZER_DESC rDesc;
rDesc.FillMode = D3D11_FILL_SOLID;
rDesc.CullMode = D3D11_CULL_NONE;
rDesc.FrontCounterClockwise = false;
rDesc.DepthBias = 0;
rDesc.DepthBiasClamp = 0;
rDesc.SlopeScaledDepthBias = 0;
rDesc.DepthClipEnable = false;
rDesc.ScissorEnable = false;
rDesc.MultisampleEnable = false;
rDesc.AntialiasedLineEnable = false;
device->CreateRasterizerState(&rDesc, &rastState);
context->RSSetState(rastState);
D3D11_DEPTH_STENCIL_DESC dsDesc;
ZeroMemory(&dsDesc, sizeof(D3D11_DEPTH_STENCIL_DESC));
dsDesc.DepthEnable = true;
dsDesc.StencilEnable = false;
dsDesc.DepthFunc = D3D11_COMPARISON_LESS_EQUAL;
dsDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL;
device->CreateDepthStencilState(&dsDesc, &DSState);
context->OMSetDepthStencilState(DSState, 0);
D3D11_QUERY_DESC qDesc;
qDesc.Query = D3D11_QUERY_EVENT;
qDesc.MiscFlags = 0;
D3DVERIFY(device->CreateQuery(&qDesc, &endQuery));
}
bool D3DValidateTriangle(float *verts, MaskedOcclusionCulling *moc)
{
unsigned int width, height;
moc->GetResolution(width, height);
////////////////////////////////////////////////////////////////////////////////////////
// Draw triangle using our framework and read back depth buffer
////////////////////////////////////////////////////////////////////////////////////////
// Draw triangle using our framework
unsigned int indices[3] = { 0,1,2 };
moc->ClearBuffer();
moc->RenderTriangles(verts, indices, 1);
// Read back result
float *depthBuffer = new float[width*height];
moc->ComputePixelDepthBuffer(depthBuffer, false);
////////////////////////////////////////////////////////////////////////////////////////
// Draw triangle using DirectX 11 and read back color image
////////////////////////////////////////////////////////////////////////////////////////
// Create D3D buffer
ID3D11Buffer *buf = nullptr;
D3D11_SUBRESOURCE_DATA iData;
iData.pSysMem = verts;
iData.SysMemPitch = 0;
iData.SysMemSlicePitch = 0;
D3D11_BUFFER_DESC bDesc;
bDesc.Usage = D3D11_USAGE_DEFAULT;
bDesc.ByteWidth = 3 * 4 * sizeof(float);
bDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
bDesc.CPUAccessFlags = bDesc.MiscFlags = bDesc.StructureByteStride = 0;
D3DVERIFY(device->CreateBuffer(&bDesc, &iData, &buf));
// Clear renderbuffers
float clearColor[4] = { 0.0f, 0.0f, 0.0f, 1.0f };
context->OMSetRenderTargets(1, &textureRTV, textureDSV);
context->ClearRenderTargetView(textureRTV, clearColor);
context->ClearDepthStencilView(textureDSV, D3D11_CLEAR_DEPTH, 1.0f, 0);
// Draw triangle using D3D
UINT stride = sizeof(float) * 4, offset = 0;
context->IASetVertexBuffers(0, 1, &buf, &stride, &offset);
context->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
context->Draw(3, 0);
buf->Release();
// Read back resulting D3D image
unsigned char *d3dimg = new unsigned char[width * height * 4];
D3D11_MAPPED_SUBRESOURCE map;
context->CopyResource(staging, textureCol);
context->Map(staging, 0, D3D11_MAP_READ, 0, &map);
memcpy(d3dimg, map.pData, width*height * 4);
context->Unmap(staging, 0);
////////////////////////////////////////////////////////////////////////////////////////
// Compare rasterized coverage
////////////////////////////////////////////////////////////////////////////////////////
bool identical = true;
for (unsigned int y = 0; y < height; ++y)
{
for (unsigned int x = 0; x < width; ++x)
{
bool d3dcov = (d3dimg[(x + y*width) * 4] + d3dimg[(x + y*width) * 4 + 1] + d3dimg[(x + y*width) * 4 + 2]) != 0;
bool ourcov = depthBuffer[x + y*width] != -1.0f;
if (d3dcov != ourcov)
identical = false;
}
}
delete[] depthBuffer;
delete[] d3dimg;
return identical;
}
bool D3DValidateTriangleThreaded(float *verts, unsigned int width, unsigned int height, CullingThreadpool *ctp)
{
////////////////////////////////////////////////////////////////////////////////////////
// Draw triangle using our framework and read back depth buffer
////////////////////////////////////////////////////////////////////////////////////////
// Draw triangle using our framework
unsigned int indices[3] = { 0,1,2 };
ctp->ClearBuffer();
ctp->RenderTriangles(verts, indices, 1);
ctp->Flush();
// Read back result
float *depthBuffer = new float[width*height];
ctp->ComputePixelDepthBuffer(depthBuffer, false);
////////////////////////////////////////////////////////////////////////////////////////
// Draw triangle using DirectX 11 and read back color image
////////////////////////////////////////////////////////////////////////////////////////
// Create D3D buffer
ID3D11Buffer *buf = nullptr;
D3D11_SUBRESOURCE_DATA iData;
iData.pSysMem = verts;
iData.SysMemPitch = 0;
iData.SysMemSlicePitch = 0;
D3D11_BUFFER_DESC bDesc;
bDesc.Usage = D3D11_USAGE_DEFAULT;
bDesc.ByteWidth = 3 * 4 * sizeof(float);
bDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
bDesc.CPUAccessFlags = bDesc.MiscFlags = bDesc.StructureByteStride = 0;
D3DVERIFY(device->CreateBuffer(&bDesc, &iData, &buf));
// Clear renderbuffers
float clearColor[4] = { 0.0f, 0.0f, 0.0f, 1.0f };
context->OMSetRenderTargets(1, &textureRTV, textureDSV);
context->ClearRenderTargetView(textureRTV, clearColor);
context->ClearDepthStencilView(textureDSV, D3D11_CLEAR_DEPTH, 1.0f, 0);
// Draw triangle using D3D
UINT stride = sizeof(float) * 4, offset = 0;
context->IASetVertexBuffers(0, 1, &buf, &stride, &offset);
context->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
context->Draw(3, 0);
buf->Release();
// Read back resulting D3D image
unsigned char *d3dimg = new unsigned char[width * height * 4];
D3D11_MAPPED_SUBRESOURCE map;
context->CopyResource(staging, textureCol);
context->Map(staging, 0, D3D11_MAP_READ, 0, &map);
memcpy(d3dimg, map.pData, width*height * 4);
context->Unmap(staging, 0);
////////////////////////////////////////////////////////////////////////////////////////
// Compare rasterized coverage
////////////////////////////////////////////////////////////////////////////////////////
bool identical = true;
for (unsigned int y = 0; y < height; ++y)
{
for (unsigned int x = 0; x < width; ++x)
{
bool d3dcov = (d3dimg[(x + y*width) * 4] + d3dimg[(x + y*width) * 4 + 1] + d3dimg[(x + y*width) * 4 + 2]) != 0;
bool ourcov = depthBuffer[x + y*width] != -1.0f;
if (d3dcov != ourcov)
identical = false;
}
}
delete[] depthBuffer;
delete[] d3dimg;
return identical;
}
////////////////////////////////////////////////////////////////////////////////////////
// Random triangle generator
////////////////////////////////////////////////////////////////////////////////////////
void RandomTriangle(float *verts)
{
float xprod = -1;
while (xprod < 0.0f)
{
for (unsigned int i = 0; i < 3; ++i)
{
verts[i * 4 + 0] = gRndUniform(gRnd) * 2.0f - 1.0f;
verts[i * 4 + 1] = gRndUniform(gRnd) * 2.0f - 1.0f;
verts[i * 4 + 2] = 0.0f;
verts[i * 4 + 3] = 1.0f;
}
// Test if triangle is front facing (ccw winded)
float v0x = verts[4] - verts[0];
float v0y = verts[5] - verts[1];
float v1x = verts[8] - verts[0];
float v1y = verts[9] - verts[1];
xprod = (v0x * v1y) - (v0y * v1x);
}
}
////////////////////////////////////////////////////////////////////////////////////////
// Simple Command Line parser
////////////////////////////////////////////////////////////////////////////////////////
char* getCmdOption(char ** begin, char ** end, const std::string & option)
{
char ** itr = std::find(begin, end, option);
if (itr != end && ++itr != end)
{
return *itr;
}
return 0;
}
bool cmdOptionExists(char** begin, char** end, const std::string& option)
{
return std::find(begin, end, option) != end;
}
////////////////////////////////////////////////////////////////////////////////////////
// Main: Validate a large number of randomized triangles
////////////////////////////////////////////////////////////////////////////////////////
int main(int argc, char* argv[])
{
const int width = 2048, height = 2048;
// Flush denorms to zero to avoid performance issues with small values
_mm_setcsr(_mm_getcsr() | 0x8040);
if (cmdOptionExists(argv, argv + argc, "-h"))
{
printf("-Help\n");
printf("ValidateTest [-a <WARP> <REF>]\n");
exit(0);
}
char * pOptions = getCmdOption(argv, argv + argc, "-a");
// Initialize directx
if (pOptions)
{
if (!strncmp(pOptions, "WARP", strlen(pOptions)))
{
printf("Testing against WARP\n");
InitD3D(width, height, D3D_DRIVER_TYPE_WARP);
}
if (!strncmp(pOptions, "REF", strlen(pOptions)))
{
printf("Testing against REF\n");
InitD3D(width, height, D3D_DRIVER_TYPE_REFERENCE);
}
}
else
{
printf("Testing against Hardware\n");
InitD3D(width, height);
}
MaskedOcclusionCulling *moc = MaskedOcclusionCulling::Create();
////////////////////////////////////////////////////////////////////////////////////////
// Setup and state related code
////////////////////////////////////////////////////////////////////////////////////////
// Setup a rendertarget with near clip plane at w = 1.0
moc->SetResolution(width, height);
moc->SetNearClipPlane(1.0f);
float verts[3*4];
static const int nTriangles = 1000;
int nPassed = 0;
for (int i = 0; i < nTriangles; ++i)
{
RandomTriangle(verts);
bool pass = D3DValidateTriangle(verts, moc);
if (pass)
nPassed++;
else
printf("Testing triangle %d... FAILED\n", i);
if (i % 100 == 0)
printf("Testing triangle %d\n", i);
}
printf("%d / %d triangles passed\n", nPassed, nTriangles);
int numThreads = std::thread::hardware_concurrency() - 1;
printf("\n\nTesting Masked multi threaded code path (using binning), %d threads\n", numThreads);
printf("----\n");
CullingThreadpool ctp(numThreads, 2, numThreads);
ctp.SetBuffer(moc);
ctp.WakeThreads();
unsigned int mocwidth, mocheight;
moc->GetResolution(mocwidth, mocheight);
// Rest Pass rate
nPassed = 0;
for (int i = 0; i < nTriangles; ++i)
{
RandomTriangle(verts);
bool pass = D3DValidateTriangleThreaded(verts, mocwidth, mocheight, &ctp);
if (pass)
nPassed++;
else
printf("Testing triangle %d... FAILED\n", i);
if (i % 100 == 0)
printf("Testing triangle %d\n", i);
}
printf("%d / %d triangles passed\n", nPassed, nTriangles);
ctp.SuspendThreads();
}
@@ -0,0 +1,39 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
<ClCompile Include="D3DValidate.cpp" />
<ClCompile Include="..\CullingThreadpool.cpp">
<Filter>MaskedOcclusionCullingLibrary</Filter>
</ClCompile>
<ClCompile Include="..\MaskedOcclusionCulling.cpp">
<Filter>MaskedOcclusionCullingLibrary</Filter>
</ClCompile>
<ClCompile Include="..\MaskedOcclusionCullingAVX2.cpp">
<Filter>MaskedOcclusionCullingLibrary</Filter>
</ClCompile>
<ClCompile Include="..\MaskedOcclusionCullingAVX512.cpp">
<Filter>MaskedOcclusionCullingLibrary</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\CullingThreadpool.h">
<Filter>MaskedOcclusionCullingLibrary</Filter>
</ClInclude>
<ClInclude Include="..\MaskedOcclusionCulling.h">
<Filter>MaskedOcclusionCullingLibrary</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<Filter Include="MaskedOcclusionCullingLibrary">
<UniqueIdentifier>{d8c0b3c7-550e-44c2-ac12-708a4d072746}</UniqueIdentifier>
</Filter>
</ItemGroup>
<ItemGroup>
<None Include="..\MaskedOcclusionCullingCommon.inl">
<Filter>MaskedOcclusionCullingLibrary</Filter>
</None>
<None Include="..\CompilerSpecific.inl">
<Filter>MaskedOcclusionCullingLibrary</Filter>
</None>
</ItemGroup>
</Project>
@@ -0,0 +1,39 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
<ClCompile Include="ExampleMain.cpp" />
<ClCompile Include="..\CullingThreadpool.cpp">
<Filter>MaskedOcclusionCullingLibrary</Filter>
</ClCompile>
<ClCompile Include="..\MaskedOcclusionCulling.cpp">
<Filter>MaskedOcclusionCullingLibrary</Filter>
</ClCompile>
<ClCompile Include="..\MaskedOcclusionCullingAVX2.cpp">
<Filter>MaskedOcclusionCullingLibrary</Filter>
</ClCompile>
<ClCompile Include="..\MaskedOcclusionCullingAVX512.cpp">
<Filter>MaskedOcclusionCullingLibrary</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\CullingThreadpool.h">
<Filter>MaskedOcclusionCullingLibrary</Filter>
</ClInclude>
<ClInclude Include="..\MaskedOcclusionCulling.h">
<Filter>MaskedOcclusionCullingLibrary</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<Filter Include="MaskedOcclusionCullingLibrary">
<UniqueIdentifier>{e1b85872-c29a-4dd3-b9db-e4ff2dedded9}</UniqueIdentifier>
</Filter>
</ItemGroup>
<ItemGroup>
<None Include="..\MaskedOcclusionCullingCommon.inl">
<Filter>MaskedOcclusionCullingLibrary</Filter>
</None>
<None Include="..\CompilerSpecific.inl">
<Filter>MaskedOcclusionCullingLibrary</Filter>
</None>
</ItemGroup>
</Project>
@@ -0,0 +1,198 @@
////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
////////////////////////////////////////////////////////////////////////////////
#ifndef _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_WARNINGS
#endif
#include <stdio.h>
#include <stdlib.h>
#include <float.h>
#include <algorithm>
#ifdef _WIN32
#include <intrin.h>
#else
#include <immintrin.h>
#endif
#include "../MaskedOcclusionCulling.h"
////////////////////////////////////////////////////////////////////////////////////////
// Image utility functions, minimal BMP writer and depth buffer tone mapping
////////////////////////////////////////////////////////////////////////////////////////
static void WriteBMP(const char *filename, const unsigned char *data, int w, int h)
{
short header[] = { 0x4D42, 0, 0, 0, 0, 26, 0, 12, 0, (short)w, (short)h, 1, 24 };
FILE *f = fopen(filename, "wb");
fwrite(header, 1, sizeof(header), f);
#if USE_D3D == 1
// Flip image because Y axis of Direct3D points in the opposite direction of bmp. If the library
// is configured for OpenGL (USE_D3D 0) then the Y axes would match and this wouldn't be required.
for (int y = 0; y < h; ++y)
fwrite(&data[(h - y - 1) * w * 3], 1, w * 3, f);
#else
fwrite(data, 1, w * h * 3, f);
#endif
fclose(f);
}
static void TonemapDepth(float *depth, unsigned char *image, int w, int h)
{
// Find min/max w coordinate (discard cleared pixels)
float minW = FLT_MAX, maxW = 0.0f;
for (int i = 0; i < w*h; ++i)
{
if (depth[i] > 0.0f)
{
minW = std::min(minW, depth[i]);
maxW = std::max(maxW, depth[i]);
}
}
// Tonemap depth values
for (int i = 0; i < w*h; ++i)
{
int intensity = 0;
if (depth[i] > 0)
intensity = (unsigned char)(223.0*(depth[i] - minW) / (maxW - minW) + 32.0);
image[i * 3 + 0] = intensity;
image[i * 3 + 1] = intensity;
image[i * 3 + 2] = intensity;
}
}
////////////////////////////////////////////////////////////////////////////////////////
// Tutorial example code
////////////////////////////////////////////////////////////////////////////////////////
int main(int argc, char* argv[])
{
// Flush denorms to zero to avoid performance issues with small values
_mm_setcsr(_mm_getcsr() | 0x8040);
MaskedOcclusionCulling *moc = MaskedOcclusionCulling::Create();
////////////////////////////////////////////////////////////////////////////////////////
// Print which version (instruction set) is being used
////////////////////////////////////////////////////////////////////////////////////////
MaskedOcclusionCulling::Implementation implementation = moc->GetImplementation();
switch (implementation) {
case MaskedOcclusionCulling::SSE2: printf("Using SSE2 version\n"); break;
case MaskedOcclusionCulling::SSE41: printf("Using SSE41 version\n"); break;
case MaskedOcclusionCulling::AVX2: printf("Using AVX2 version\n"); break;
case MaskedOcclusionCulling::AVX512: printf("Using AVX-512 version\n"); break;
}
////////////////////////////////////////////////////////////////////////////////////////
// Setup and state related code
////////////////////////////////////////////////////////////////////////////////////////
// Setup a 1920 x 1080 rendertarget with near clip plane at w = 1.0
const int width = 1920, height = 1080;
moc->SetResolution(width, height);
moc->SetNearClipPlane(1.0f);
// Clear the depth buffer
moc->ClearBuffer();
////////////////////////////////////////////////////////////////////////////////////////
// Render some occluders
////////////////////////////////////////////////////////////////////////////////////////
struct ClipspaceVertex { float x, y, z, w; };
// A triangle that intersects the view frustum
ClipspaceVertex triVerts[] = { { 5, 0, 0, 10 }, { 30, 0, 0, 20 }, { 10, 50, 0, 40 } };
unsigned int triIndices[] = { 0, 1, 2 };
// Render the triangle
moc->RenderTriangles((float*)triVerts, triIndices, 1);
// A clockwise winded (backfacing) triangle
ClipspaceVertex cwTriVerts[] = { { 7, -7, 0, 20 },{ 7.5, -7, 0, 20 },{ 7, -7.5, 0, 20 } };
unsigned int cwTriIndices[] = { 0, 1, 2 };
// Render with counter-clockwise backface culling, the triangle is rendered
moc->RenderTriangles((float*)cwTriVerts, cwTriIndices, 1, nullptr, MaskedOcclusionCulling::BACKFACE_CCW);
// A quad completely within the view frustum
ClipspaceVertex quadVerts[] = { { -150, -150, 0, 200 }, { -10, -65, 0, 75 }, { 0, 0, 0, 20 }, { -40, 10, 0, 50 } };
unsigned int quadIndices[] = { 0, 1, 2, 0, 2, 3 };
// Render the quad. As an optimization, indicate that clipping is not required as it is
// completely inside the view frustum
moc->RenderTriangles((float*)quadVerts, quadIndices, 2, nullptr, MaskedOcclusionCulling::BACKFACE_CW, MaskedOcclusionCulling::CLIP_PLANE_NONE);
// A triangle specified on struct of arrays (SoA) form
float SoAVerts[] = {
10, 10, 7, // x-coordinates
-10, -7, -10, // y-coordinates
10, 10, 10 // w-coordinates
};
// Set vertex layout (stride, y offset, w offset)
MaskedOcclusionCulling::VertexLayout SoAVertexLayout(sizeof(float), 3 * sizeof(float), 6 * sizeof(float));
// Render triangle with SoA layout
moc->RenderTriangles((float*)SoAVerts, triIndices, 1, nullptr, MaskedOcclusionCulling::BACKFACE_CW, MaskedOcclusionCulling::CLIP_PLANE_ALL, SoAVertexLayout);
////////////////////////////////////////////////////////////////////////////////////////
// Perform some occlusion queries
////////////////////////////////////////////////////////////////////////////////////////
// A triangle, partly overlapped by the quad
ClipspaceVertex oqTriVerts[] = { { 0, 50, 0, 200 }, { -60, -60, 0, 200 }, { 20, -40, 0, 200 } };
unsigned int oqTriIndices[] = { 0, 1, 2 };
// Perform an occlusion query. The triangle is visible and the query should return VISIBLE
MaskedOcclusionCulling::CullingResult result;
result = moc->TestTriangles((float*)oqTriVerts, oqTriIndices, 1);
if (result == MaskedOcclusionCulling::VISIBLE)
printf("Tested triangle is VISIBLE\n");
else if (result == MaskedOcclusionCulling::OCCLUDED)
printf("Tested triangle is OCCLUDED\n");
else if (result == MaskedOcclusionCulling::VIEW_CULLED)
printf("Tested triangle is outside view frustum\n");
// Render the occlusion query triangle to show its position
moc->RenderTriangles((float*)oqTriVerts, oqTriIndices, 1);
// Perform an occlusion query testing if a rectangle is visible. The rectangle is completely
// behind the previously drawn quad, so the query should indicate that it's occluded
result = moc->TestRect(-0.6f, -0.6f, -0.4f, -0.4f, 100);
if (result == MaskedOcclusionCulling::VISIBLE)
printf("Tested rect is VISIBLE\n");
else if (result == MaskedOcclusionCulling::OCCLUDED)
printf("Tested rect is OCCLUDED\n");
else if (result == MaskedOcclusionCulling::VIEW_CULLED)
printf("Tested rect is outside view frustum\n");
// Compute a per pixel depth buffer from the hierarchical depth buffer, used for visualization.
float *perPixelZBuffer = new float[width * height];
moc->ComputePixelDepthBuffer(perPixelZBuffer, false);
// Tonemap the image
unsigned char *image = new unsigned char[width * height * 3];
TonemapDepth(perPixelZBuffer, image, width, height);
WriteBMP("image.bmp", image, width, height);
delete[] image;
// Destroy occlusion culling object and free hierarchical z-buffer
MaskedOcclusionCulling::Destroy(moc);
}
@@ -0,0 +1,433 @@
////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
////////////////////////////////////////////////////////////////////////////////
#include <float.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <algorithm>
#include <vector>
#include <chrono>
#include <random>
#ifdef _WIN32
#include <intrin.h>
#else
#include <immintrin.h>
#endif
#include "../CullingThreadpool.h"
#include "../MaskedOcclusionCulling.h"
std::mt19937 gRnd;
std::uniform_real_distribution<float> gRndUniform(0, 1);
#define F_PI 3.14159265358979323846f
// if 1, makes some of the random triangles slightly out of screen and enables clipping
#define TEST_CLIPPING 0
#ifdef _WIN32
////////////////////////////////////////////////////////////////////////////////////////
// DX 11 setup & resource creation code
////////////////////////////////////////////////////////////////////////////////////////
#define NOMINMAX
#include <windows.h>
#include <d3d11.h>
#include <d3dcompiler.h>
#pragma comment (lib, "d3d11.lib")
#pragma comment (lib, "d3dcompiler.lib")
ID3D11Texture2D *textureZ;
ID3D11Texture2D *textureCol, *staging;
ID3D11DepthStencilView *textureDSV;
ID3D11RenderTargetView *textureRTV;
ID3D11Device *device;
ID3D11DeviceContext *context;
ID3D11RasterizerState *rastState;
ID3D11DepthStencilState *DSState;
ID3D11InputLayout *layout;
ID3D11VertexShader *VS;
ID3D11PixelShader *PS;
std::vector<ID3D11Buffer*> vBuffers;
ID3D11Query *endQuery;
#define D3DVERIFY(X) if (X != S_OK) exit(1);
void InitD3D(unsigned int width, unsigned int height)
{
const char *shader =
"float4 VShader(float4 position : POSITION) : SV_POSITION { return position; }"
"float4 PShader(float4 position : SV_POSITION) : SV_TARGET { return 1.0f - position.z; }";
D3D_FEATURE_LEVEL fLevel;
D3DVERIFY(D3D11CreateDevice(nullptr, D3D_DRIVER_TYPE_HARDWARE, nullptr, 0, nullptr, 0, D3D11_SDK_VERSION, &device, &fLevel, &context));
D3D11_TEXTURE2D_DESC tDesc;
tDesc.Width = width;
tDesc.Height = height;
tDesc.MipLevels = tDesc.ArraySize = 1;
tDesc.SampleDesc.Count = 1;
tDesc.SampleDesc.Quality = 0;
tDesc.CPUAccessFlags = 0;
tDesc.MiscFlags = 0;
tDesc.Usage = D3D11_USAGE_DEFAULT;
tDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
tDesc.BindFlags = D3D11_BIND_RENDER_TARGET;
D3DVERIFY(device->CreateTexture2D(&tDesc, nullptr, &textureCol));
tDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
tDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
D3DVERIFY(device->CreateTexture2D(&tDesc, nullptr, &textureZ));
tDesc.Usage = D3D11_USAGE_STAGING;
tDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
tDesc.BindFlags = 0;
tDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
D3DVERIFY(device->CreateTexture2D(&tDesc, nullptr, &staging));
D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc;
dsvDesc.Flags = 0;
dsvDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
dsvDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
dsvDesc.Texture2D.MipSlice = 0;
D3DVERIFY(device->CreateDepthStencilView(textureZ, &dsvDesc, &textureDSV));
D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
rtvDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
rtvDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
rtvDesc.Texture2D.MipSlice = 0;
D3DVERIFY(device->CreateRenderTargetView(textureCol, &rtvDesc, &textureRTV));
// Set the viewport
D3D11_VIEWPORT viewport;
viewport.TopLeftX = 0;
viewport.TopLeftY = 0;
viewport.Width = (float)width;
viewport.Height = (float)height;
viewport.MinDepth = 0;
viewport.MaxDepth = 1;
context->RSSetViewports(1, &viewport);
// load and compile the two shaders
ID3D10Blob *VSBlob, *PSBlob;
D3DVERIFY(D3DCompile(shader, strlen(shader), "shader", nullptr, nullptr, "VShader", "vs_5_0", 0, 0, &VSBlob, nullptr));
D3DVERIFY(D3DCompile(shader, strlen(shader), "shader", nullptr, nullptr, "PShader", "ps_5_0", 0, 0, &PSBlob, nullptr));
// encapsulate both shaders into shader objects
D3DVERIFY(device->CreateVertexShader(VSBlob->GetBufferPointer(), VSBlob->GetBufferSize(), NULL, &VS));
D3DVERIFY(device->CreatePixelShader(PSBlob->GetBufferPointer(), PSBlob->GetBufferSize(), NULL, &PS));
// set the shader objects
context->VSSetShader(VS, 0, 0);
context->PSSetShader(PS, 0, 0);
// create the input layout object
D3D11_INPUT_ELEMENT_DESC ied[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
};
D3DVERIFY(device->CreateInputLayout(ied, 1, VSBlob->GetBufferPointer(), VSBlob->GetBufferSize(), &layout));
context->IASetInputLayout(layout);
D3D11_RASTERIZER_DESC rDesc;
rDesc.FillMode = D3D11_FILL_SOLID;
rDesc.CullMode = D3D11_CULL_NONE;
rDesc.FrontCounterClockwise = false;
rDesc.DepthBias = 0;
rDesc.DepthBiasClamp = 0;
rDesc.SlopeScaledDepthBias = 0;
rDesc.DepthClipEnable = false;
rDesc.ScissorEnable = false;
rDesc.MultisampleEnable = false;
rDesc.AntialiasedLineEnable = false;
device->CreateRasterizerState(&rDesc, &rastState);
context->RSSetState(rastState);
D3D11_DEPTH_STENCIL_DESC dsDesc;
ZeroMemory(&dsDesc, sizeof(D3D11_DEPTH_STENCIL_DESC));
dsDesc.DepthEnable = true;
dsDesc.StencilEnable = false;
dsDesc.DepthFunc = D3D11_COMPARISON_LESS_EQUAL;
dsDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL;
device->CreateDepthStencilState(&dsDesc, &DSState);
context->OMSetDepthStencilState(DSState, 0);
D3D11_QUERY_DESC qDesc;
qDesc.Query = D3D11_QUERY_EVENT;
qDesc.MiscFlags = 0;
D3DVERIFY(device->CreateQuery(&qDesc, &endQuery));
}
void D3DAddTriangles(float *verts, int nTris)
{
ID3D11Buffer *buf = nullptr;
D3D11_SUBRESOURCE_DATA iData;
iData.pSysMem = verts;
iData.SysMemPitch = 0;
iData.SysMemSlicePitch = 0;
D3D11_BUFFER_DESC bDesc;
bDesc.Usage = D3D11_USAGE_DEFAULT;
bDesc.ByteWidth = nTris * 3 * 4 * sizeof(float);
bDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
bDesc.CPUAccessFlags = bDesc.MiscFlags = bDesc.StructureByteStride = 0;
D3DVERIFY(device->CreateBuffer(&bDesc, &iData, &buf));
vBuffers.push_back(buf);
}
double BenchmarkTrianglesD3D(ID3D11Buffer *buf, int numTriangles, bool color)
{
// set the render target as the back buffer
if (color)
context->OMSetRenderTargets(1, &textureRTV, textureDSV);
else
context->OMSetRenderTargets(0, nullptr, textureDSV);
// clear the back buffer to a deep blue
float clearColor[4] = { 0.0f, 1.0f, 0.0f, 1.0f };
context->ClearRenderTargetView(textureRTV, clearColor);
context->ClearDepthStencilView(textureDSV, D3D11_CLEAR_DEPTH, 1.0f, 0);
// Setup primitivelist
UINT stride = sizeof(float) * 4, offset = 0;
context->IASetVertexBuffers(0, 1, &buf, &stride, &offset);
context->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
context->Flush();
// Draw triangles
auto before = std::chrono::high_resolution_clock::now();
context->Begin(endQuery);
context->Draw(numTriangles * 3, 0);
context->End(endQuery);
while (context->GetData(endQuery, nullptr, 0, 0) == S_FALSE) {}
auto after = std::chrono::high_resolution_clock::now();
return std::chrono::duration<double>(after - before).count();
}
#endif
////////////////////////////////////////////////////////////////////////////////////////
// Simple random triangle rasterizer benchmark
////////////////////////////////////////////////////////////////////////////////////////
inline float frand() { return (float)rand() / (float)RAND_MAX; }
void GenerateRandomTriangles(float *verts, unsigned int *triIdxBtF, int nTris, int size, float width, float height)
{
// make some of the triangles slightly out of screen to test clipping paths
#if TEST_CLIPPING
const float clippingMul = 1.1f;
#else
const float clippingMul = 1.0f;
#endif
for (int idx = 0; idx < nTris; ++idx)
{
triIdxBtF[idx * 3 + 0] = idx * 3 + 0;
triIdxBtF[idx * 3 + 1] = idx * 3 + 1;
triIdxBtF[idx * 3 + 2] = idx * 3 + 2;
while (true)
{
float vtx[3][3] = { { 0, 0, 1 },{ size * 2 / (float)width, 0, 1 },{ 0, size * 2 / (float)height, 1 } };
float offset[3] = { gRndUniform(gRnd)*2.0f - 1.0f, gRndUniform(gRnd)*2.0f - 1.0f, 0 };
float rotation = gRndUniform(gRnd) * 2 * F_PI;
float myz = (float)(nTris - idx);
bool triOk = true;
float rvtx[3][3];
for (int i = 0; i < 3; ++i)
{
rvtx[i][0] = cos(rotation)*vtx[i][0] - sin(rotation)*vtx[i][1] + offset[0];
rvtx[i][1] = sin(rotation)*vtx[i][0] + cos(rotation)*vtx[i][1] + offset[1];
if (rvtx[i][0] < -1.0f || rvtx[i][0] > 1.0f || rvtx[i][1] < -1.0f || rvtx[i][1] > 1.0f)
triOk = false;
float z = myz / (float)nTris;
int vtxIdx = idx * 3 + i;
verts[vtxIdx * 4 + 0] = rvtx[i][0] * myz * clippingMul;
verts[vtxIdx * 4 + 1] = rvtx[i][1] * myz * clippingMul;
verts[vtxIdx * 4 + 2] = z * myz;
verts[vtxIdx * 4 + 3] = myz;
}
if (triOk)
break;
}
}
}
double BenchmarkTriangles(float *verts, unsigned int *tris, int numTriangles, MaskedOcclusionCulling *moc)
{
moc->ClearBuffer();
auto before = std::chrono::high_resolution_clock::now();
#if TEST_CLIPPING
moc->RenderTriangles( verts, tris, numTriangles, nullptr, MaskedOcclusionCulling::BACKFACE_CW, MaskedOcclusionCulling::CLIP_PLANE_ALL );
#else
moc->RenderTriangles(verts, tris, numTriangles, nullptr, MaskedOcclusionCulling::BACKFACE_CW, MaskedOcclusionCulling::CLIP_PLANE_NONE);
#endif
auto after = std::chrono::high_resolution_clock::now();
return std::chrono::duration<double>(after - before).count();
}
double BenchmarkTrianglesThreaded(float *verts, unsigned int *tris, int numTriangles, CullingThreadpool *ctp)
{
ctp->ClearBuffer();
auto before = std::chrono::high_resolution_clock::now();
#if TEST_CLIPPING
ctp->RenderTriangles(verts, tris, numTriangles, MaskedOcclusionCulling::BACKFACE_CW, MaskedOcclusionCulling::CLIP_PLANE_ALL);
#else
ctp->RenderTriangles( verts, tris, numTriangles, MaskedOcclusionCulling::BACKFACE_CW, MaskedOcclusionCulling::CLIP_PLANE_NONE );
#endif
ctp->Flush();
auto after = std::chrono::high_resolution_clock::now();
return std::chrono::duration<double>(after - before).count();
}
////////////////////////////////////////////////////////////////////////////////////////
// Perform basic fillrate benchmarks for GPU and compare with this libray
////////////////////////////////////////////////////////////////////////////////////////
int main(int argc, char* argv[])
{
const int width = 1920, height = 1080;
// Flush denorms to zero to avoid performance issues with small values
_mm_setcsr(_mm_getcsr() | 0x8040);
MaskedOcclusionCulling *moc = MaskedOcclusionCulling::Create();
#ifdef _WIN32
// Initialize directx
InitD3D(width, height);
#endif
////////////////////////////////////////////////////////////////////////////////////////
// Setup and state related code
////////////////////////////////////////////////////////////////////////////////////////
// Setup a rendertarget with near clip plane at w = 1.0
moc->SetResolution(width, height);
moc->SetNearClipPlane(1.0f);
////////////////////////////////////////////////////////////////////////////////////////
// Create randomized triangles for back-to-front and front-to-back rendering
////////////////////////////////////////////////////////////////////////////////////////
const int numTriangles[] = { 4096 * 1024, 4096 * 1024, 4096 * 1024, 2048 * 1024, 1024 * 1024, 512 * 1024, 256 * 1024 };
const int sizes[] = { 10, 25, 50, 75, 100, 250, 500 };
int numSizes = sizeof(sizes) / sizeof(int);
printf("Generating randomized triangles");
std::vector<unsigned int *> trisBtF;
std::vector<float *> verts;
for (int i = 0; i < numSizes; ++i)
{
float *pVerts = new float[numTriangles[i] * 4 * 3];
unsigned int *pTrisBtF = new unsigned int[numTriangles[i] * 3];
GenerateRandomTriangles(pVerts, pTrisBtF, numTriangles[i], sizes[i], (float)width, (float)height);
verts.push_back(pVerts);
trisBtF.push_back(pTrisBtF);
#ifdef _WIN32
D3DAddTriangles(pVerts, numTriangles[i]);
#endif
printf(".");
}
////////////////////////////////////////////////////////////////////////////////////////
// Perform benchmarks
////////////////////////////////////////////////////////////////////////////////////////
#ifdef _WIN32
printf("\nD3D Z only\n");
printf("----\n");
for (int i = 0; i < numSizes; ++i)
{
int size = sizes[i];
double t = BenchmarkTrianglesD3D(vBuffers[i], numTriangles[i], false);
double GPixelsPerSecond = (double)numTriangles[i] * size*size / (2.0 * 1e9 * t);
double MTrisPerSecond = (double)numTriangles[i] / (1e6 * t);
printf("Tri: %3dx%3d - Time: %7.2f ms, MTris/s: %6.2f GPixels/s: %5.2f \n", size, size, t * 1000.0f, MTrisPerSecond, GPixelsPerSecond);
}
#endif
printf( "\nInstruction set:" );
switch( moc->GetImplementation( ) )
{
case MaskedOcclusionCulling::SSE2:
printf( "SSE2\n" );
break;
case MaskedOcclusionCulling::SSE41:
printf( "SSE41\n" );
break;
case MaskedOcclusionCulling::AVX2:
printf( "AVX2\n" );
break;
case MaskedOcclusionCulling::AVX512:
printf( "AVX512\n\n" );
break;
default:
break;
};
#if 0 && MOC_RECORDER_ENABLE
moc->RecorderStart( "..\\FrameRecorderPlayer\\FillrateTest.mocrec" );
#endif
printf("\n\nMasked single threaded\n");
printf("----\n");
for (int i = 0; i < numSizes; ++i)
{
int size = sizes[i];
double t = BenchmarkTriangles(verts[i], trisBtF[i], numTriangles[i], moc);
double GPixelsPerSecond = (double)numTriangles[i] * size*size / (2.0 * 1e9 * t);
double MTrisPerSecond = (double)numTriangles[i] / (1e6 * t);
printf("Tri: %3dx%3d - Time: %7.2f ms, MTris/s: %6.2f GPixels/s: %5.2f \n", size, size, t * 1000.0f, MTrisPerSecond, GPixelsPerSecond);
}
#if 0 && MOC_RECORDER_ENABLE
moc->RecorderStop( );
#endif
int numThreads = std::thread::hardware_concurrency() - 1;
printf("\n\nMasked multi threaded (%d threads)\n", numThreads);
printf("----\n");
CullingThreadpool ctp(numThreads, 2, numThreads);
ctp.SetBuffer(moc);
ctp.WakeThreads();
for (int i = 0; i < numSizes; ++i)
{
int size = sizes[i];
double t = BenchmarkTrianglesThreaded(verts[i], trisBtF[i], numTriangles[i], &ctp);
double GPixelsPerSecond = (double)numTriangles[i] * size*size / (2.0 * 1e9 * t);
double MTrisPerSecond = (double)numTriangles[i] / (1e6 * t);
printf("Tri: %3dx%3d - Time: %7.2f ms, MTris/s: %6.2f GPixels/s: %5.2f \n", size, size, t * 1000.0f, MTrisPerSecond, GPixelsPerSecond);
}
ctp.SuspendThreads();
}
@@ -0,0 +1,45 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
<ClCompile Include="FillrateTest.cpp" />
<ClCompile Include="..\CullingThreadpool.cpp">
<Filter>MaskedOcclusionCulling</Filter>
</ClCompile>
<ClCompile Include="..\MaskedOcclusionCulling.cpp">
<Filter>MaskedOcclusionCulling</Filter>
</ClCompile>
<ClCompile Include="..\MaskedOcclusionCullingAVX2.cpp">
<Filter>MaskedOcclusionCulling</Filter>
</ClCompile>
<ClCompile Include="..\MaskedOcclusionCullingAVX512.cpp">
<Filter>MaskedOcclusionCulling</Filter>
</ClCompile>
<ClCompile Include="..\FrameRecorder.cpp">
<Filter>MaskedOcclusionCulling</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\CullingThreadpool.h">
<Filter>MaskedOcclusionCulling</Filter>
</ClInclude>
<ClInclude Include="..\MaskedOcclusionCulling.h">
<Filter>MaskedOcclusionCulling</Filter>
</ClInclude>
<ClInclude Include="..\FrameRecorder.h">
<Filter>MaskedOcclusionCulling</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<Filter Include="MaskedOcclusionCulling">
<UniqueIdentifier>{b848f282-5fc0-4806-b33e-649bedd84f85}</UniqueIdentifier>
</Filter>
</ItemGroup>
<ItemGroup>
<None Include="..\MaskedOcclusionCullingCommon.inl">
<Filter>MaskedOcclusionCulling</Filter>
</None>
<None Include="..\CompilerSpecific.inl">
<Filter>MaskedOcclusionCulling</Filter>
</None>
</ItemGroup>
</Project>
@@ -0,0 +1,452 @@
////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
////////////////////////////////////////////////////////////////////////////////
#include "FrameRecorder.h"
#if MOC_RECORDER_ENABLE
#include <assert.h>
#include <algorithm>
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Masked occlusion culling
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
bool MaskedOcclusionCulling::RecorderStart( const char * outputFilePath ) const
{
std::lock_guard<std::mutex> lock( mRecorderMutex );
assert( mRecorder == nullptr ); // forgot to call RecorderStop?
if( mRecorder != nullptr )
return false;
#if MOC_RECORDER_USE_STDIO_FILE
FILE * f;
if( fopen_s( &f, outputFilePath, "wb" ) != 0 )
return false;
#else
std::ofstream outStream( outputFilePath, std::ios::out | std::ios::trunc | std::ios::binary );
if( !outStream.is_open( ) )
return false;
#endif
mRecorder = (FrameRecorder *)mAlignedAllocCallback( 64, sizeof( FrameRecorder ) );
#if MOC_RECORDER_USE_STDIO_FILE
new (mRecorder) FrameRecorder( f, *this );
#else
new (mRecorder) FrameRecorder( std::move( outStream ), *this );
#endif
return true;
}
void MaskedOcclusionCulling::RecorderStop( ) const
{
std::lock_guard<std::mutex> lock( mRecorderMutex );
mRecorder->~FrameRecorder();
mAlignedFreeCallback( mRecorder );
mRecorder = nullptr;
}
void MaskedOcclusionCulling::RecordRenderTriangles( const float *inVtx, const unsigned int *inTris, int nTris, const float *modelToClipMatrix, ClipPlanes clipPlaneMask, BackfaceWinding bfWinding, const VertexLayout &vtxLayout, CullingResult cullingResult )
{
std::lock_guard<std::mutex> lock( mRecorderMutex );
if( mRecorder != nullptr )
mRecorder->RecordRenderTriangles( cullingResult, inVtx, inTris, nTris, modelToClipMatrix, clipPlaneMask, bfWinding, vtxLayout );
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Masked occlusion culling recorder
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#if MOC_RECORDER_USE_STDIO_FILE
FrameRecorder::FrameRecorder( FILE *& outFile, const MaskedOcclusionCulling & moc )
#else
FrameRecorder::FrameRecorder( std::ofstream && outStream, const MaskedOcclusionCulling & moc ) : mOutStream( std::move( outStream ) )
#endif
{
#if MOC_RECORDER_USE_STDIO_FILE
mOutFile = outFile;
outFile = 0;
assert( mOutFile != 0 );
#else
assert( mOutStream.is_open( ) );
#endif
// for file verification purposes
unsigned int fileHeader = 0xA701B600;
Write( &fileHeader, sizeof( fileHeader ) );
// save some of the MOC states (we can override them for the playback)
float nearClipPlane = moc.GetNearClipPlane();
unsigned int width;
unsigned int height;
moc.GetResolution( width, height );
Write( &nearClipPlane, sizeof( nearClipPlane ) );
Write( &width, sizeof( width ) );
Write( &height, sizeof( height ) );
}
FrameRecorder::~FrameRecorder( )
{
// end of file marker
char footer = 0x7F;
Write( &footer, 1 );
#if MOC_RECORDER_USE_STDIO_FILE
fclose( mOutFile );
#else
mOutStream.close( );
#endif
}
void FrameRecorder::Write( const void * buffer, size_t size )
{
#if MOC_RECORDER_USE_STDIO_FILE
fwrite( buffer, 1, size, mOutFile );
#else
mOutStream.write( (const char *)buffer, size );
#endif
}
void FrameRecorder::WriteTriangleRecording( MaskedOcclusionCulling::CullingResult cullingResult, const float *inVtx, const unsigned int *inTris, int nTris, const float *modelToClipMatrix, MaskedOcclusionCulling::ClipPlanes clipPlaneMask, MaskedOcclusionCulling::BackfaceWinding bfWinding, const MaskedOcclusionCulling::VertexLayout & vtxLayout )
{
// write culling result
Write( &cullingResult, sizeof( cullingResult ) );
unsigned int minVIndex = 0xffffffff;
unsigned int maxVIndex = 0;
for( int i = 0; i < nTris; i++ )
{
const unsigned int & a = inTris[i * 3 + 0];
const unsigned int & b = inTris[i * 3 + 1];
const unsigned int & c = inTris[i * 3 + 2];
minVIndex = std::min( std::min( minVIndex, a ), std::min( b, c ) );
maxVIndex = std::max( std::max( maxVIndex, a ), std::max( b, c ) );
}
// write actually used vertex count
int vertexCount = ( maxVIndex < minVIndex ) ? ( 0 ) : ( maxVIndex - minVIndex + 1 );
Write( &vertexCount, sizeof( vertexCount ) );
// nothing more to write? early exit
if( vertexCount == 0 )
return;
// write vertex size
int vertexSize = vtxLayout.mStride;
Write( &vertexSize, sizeof( vertexSize ) );
// write vertices
Write( ( (const char*)inVtx ) + minVIndex*vertexSize, vertexSize * ( vertexCount ) );
// write triangle count
Write( &nTris, sizeof( nTris ) );
// write indices with adjusted offset
for( int i = 0; i < nTris; i++ )
{
unsigned int triangleIndices[3];
triangleIndices[0] = inTris[i * 3 + 0] - minVIndex;
triangleIndices[1] = inTris[i * 3 + 1] - minVIndex;
triangleIndices[2] = inTris[i * 3 + 2] - minVIndex;
Write( triangleIndices, sizeof( triangleIndices ) );
}
// write model to clip matrix (if any)
char hasMatrix = ( modelToClipMatrix != nullptr ) ? ( 1 ) : ( 0 );
Write( &hasMatrix, sizeof( hasMatrix ) );
if( hasMatrix )
Write( modelToClipMatrix, 16 * sizeof( float ) );
Write( &clipPlaneMask, sizeof( clipPlaneMask ) );
Write( &bfWinding, sizeof( bfWinding ) );
// write vertex layout
Write( &vtxLayout, sizeof( vtxLayout ) );
}
namespace
{
// Warning, takes ownership of the underlying stream and closes it at the end
struct InStreamWrapper
{
#if MOC_RECORDER_USE_STDIO_FILE
FILE * mInFile;
#else
std::ifstream mInStream;
#endif
#if MOC_RECORDER_USE_STDIO_FILE
InStreamWrapper( FILE *& inFile ) { mInFile = inFile; assert( mInFile != 0 ); inFile = 0; }
~InStreamWrapper( ) { fclose( mInFile ); }
#else
InStreamWrapper( std::ifstream && inStream ) : mInStream( std::move( inStream ) ) { assert( mInStream.is_open() ); }
#endif
size_t Read( void * buffer, size_t size )
{
#if MOC_RECORDER_USE_STDIO_FILE
return fread( buffer, 1, size, mInFile );
#else
mInStream.read( (char*)buffer, size );
return mInStream.gcount( );
#endif
}
};
}
void FrameRecorder::RecordClearBuffer( )
{
char header = 3;
Write( &header, 1 );
}
void FrameRecorder::RecordRenderTriangles( MaskedOcclusionCulling::CullingResult cullingResult, const float *inVtx, const unsigned int *inTris, int nTris, const float *modelToClipMatrix, MaskedOcclusionCulling::ClipPlanes clipPlaneMask, MaskedOcclusionCulling::BackfaceWinding bfWinding, const MaskedOcclusionCulling::VertexLayout & vtxLayout )
{
char header = 0;
Write( &header, 1 );
WriteTriangleRecording( cullingResult, inVtx, inTris, nTris, modelToClipMatrix, clipPlaneMask, bfWinding, vtxLayout );
}
void FrameRecorder::RecordTestRect( MaskedOcclusionCulling::CullingResult cullingResult, float xmin, float ymin, float xmax, float ymax, float wmin )
{
char header = 1;
Write( &header, 1 );
Write( &cullingResult, sizeof( cullingResult ) );
Write( &xmin, sizeof( xmin ) );
Write( &ymin, sizeof( ymin ) );
Write( &xmax, sizeof( xmax ) );
Write( &ymax, sizeof( ymax ) );
Write( &wmin, sizeof( wmin ) );
}
void FrameRecorder::RecordTestTriangles( MaskedOcclusionCulling::CullingResult cullingResult, const float *inVtx, const unsigned int *inTris, int nTris, const float *modelToClipMatrix, MaskedOcclusionCulling::ClipPlanes clipPlaneMask, MaskedOcclusionCulling::BackfaceWinding bfWinding, const MaskedOcclusionCulling::VertexLayout & vtxLayout )
{
char header = 2;
Write( &header, 1 );
WriteTriangleRecording( cullingResult, inVtx, inTris, nTris, modelToClipMatrix, clipPlaneMask, bfWinding, vtxLayout );
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Masked occlusion culling recording
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#if MOC_RECORDER_ENABLE_PLAYBACK
static bool ReadTriangleRecording( FrameRecording::TrianglesEntry & outEntry, InStreamWrapper & inStream )
{
// read culling result
if( inStream.Read( (char*)&outEntry.mCullingResult, sizeof( outEntry.mCullingResult ) ) != sizeof( outEntry.mCullingResult ) )
{
assert( false );
return false;
}
// read used vertex count
int vertexCount = 0;
if( inStream.Read( (char*)&vertexCount, sizeof( vertexCount ) ) != sizeof( vertexCount ) )
{
assert( false );
return false;
}
// nothing in the recording? that's ok, just exit
if( vertexCount == 0 )
{
outEntry.mVertices.clear( );
outEntry.mTriangles.clear( );
return true;
}
// read vertex size
int vertexSize = 0;
if( inStream.Read( (char*)&vertexSize, sizeof( vertexSize ) ) != sizeof( vertexSize ) )
{
assert( false );
return false;
}
// read vertices
outEntry.mVertices.resize( vertexSize / 4 * vertexCount ); // pre-allocate data
if( inStream.Read( (char*)outEntry.mVertices.data( ), vertexSize * vertexCount ) != ( vertexSize * vertexCount ) )
{
assert( false );
return false;
}
// read triangle count
int triangleCount = 0;
if( inStream.Read( (char*)&triangleCount, sizeof( triangleCount ) ) != sizeof( triangleCount ) )
{
assert( false );
return false;
}
outEntry.mTriangles.resize( triangleCount * 3 );
if( inStream.Read( (char*)outEntry.mTriangles.data( ), triangleCount * 3 * 4 ) != ( triangleCount * 3 * 4 ) )
{
assert( false );
return false;
}
// read matrix (if any)
char hasMatrix = 0;
if( inStream.Read( (char*)&hasMatrix, sizeof( hasMatrix ) ) != sizeof( hasMatrix ) )
{
assert( false );
return false;
}
if( ( outEntry.mHasModelToClipMatrix = ( hasMatrix != 0 ) ) )
{
if( inStream.Read( (char*)outEntry.mModelToClipMatrix, 16 * sizeof( float ) ) != 16 * sizeof( float ) )
{
assert( false );
return false;
}
}
else
{
memset( outEntry.mModelToClipMatrix, 0, 16 * sizeof( float ) );
}
if( inStream.Read( (char*)&outEntry.mClipPlaneMask, sizeof( outEntry.mClipPlaneMask ) ) != sizeof( outEntry.mClipPlaneMask ) )
{
assert( false );
return false;
}
// read triangle cull winding
if( inStream.Read( (char*)&outEntry.mbfWinding, sizeof( outEntry.mbfWinding ) ) != sizeof( outEntry.mbfWinding ) )
{
assert( false );
return false;
}
// read vertex layout
if( inStream.Read( (char*)&outEntry.mVertexLayout, sizeof( outEntry.mVertexLayout ) ) != sizeof( outEntry.mVertexLayout ) )
{
assert( false );
return false;
}
if( outEntry.mVertexLayout.mStride != vertexSize )
{
assert( false );
return false;
}
return true;
}
bool FrameRecording::Load( const char * inputFilePath, FrameRecording & outRecording )
{
outRecording.Reset();
#if MOC_RECORDER_USE_STDIO_FILE
FILE * inIOFile = 0;
if( fopen_s( &inIOFile, inputFilePath, "rb" ) != 0 )
return false;
InStreamWrapper inStream( inIOFile );
#else
std::ifstream inIOStream( inputFilePath, std::ios::binary );
if( !inIOStream.is_open( ) )
{
return false;
}
InStreamWrapper inStream( std::move(inIOStream) );
#endif
// for file verification purposes
unsigned int fileHeader = 0;
if( ( inStream.Read( (char *)&fileHeader, sizeof( fileHeader ) ) != 4 ) || (fileHeader != 0xA701B600) )
{
assert( false );
return false;
}
if( inStream.Read( (char *)&outRecording.mNearClipPlane, sizeof( outRecording.mNearClipPlane ) ) != sizeof( outRecording.mNearClipPlane ) ) { assert( false ); return false; }
if( inStream.Read( (char *)&outRecording.mResolutionWidth, sizeof( outRecording.mResolutionWidth ) ) != sizeof( outRecording.mResolutionWidth ) ) { assert( false ); return false; }
if( inStream.Read( (char *)&outRecording.mResolutionHeight, sizeof( outRecording.mResolutionHeight ) ) != sizeof( outRecording.mResolutionHeight ) ) { assert( false ); return false; }
bool continueLoading = true;
while( continueLoading )
{
char chunkHeader = 0;
if( inStream.Read( (char *)&chunkHeader, sizeof( chunkHeader ) ) != 1 )
{
assert( false );
outRecording.Reset();
return false;
}
switch( chunkHeader )
{
case( 0 ): // RenderTriangles
case( 2 ): // TestTriangles
{
outRecording.mTriangleEntries.push_back( TrianglesEntry() );
int triangleEntryIndex = (int)outRecording.mTriangleEntries.size( )-1;
if( !ReadTriangleRecording( outRecording.mTriangleEntries[triangleEntryIndex], inStream ) )
{
assert( false );
outRecording.Reset( );
return false;
}
outRecording.mPlaybackOrder.push_back( std::make_pair( chunkHeader, triangleEntryIndex ) );
} break;
case( 1 ): // TestRect
{
outRecording.mRectEntries.push_back( RectEntry( ) );
int rectEntryIndex = (int)outRecording.mRectEntries.size( )-1;
// read rectangle in one go
if( inStream.Read( (char*)&outRecording.mRectEntries[rectEntryIndex], sizeof( outRecording.mRectEntries[rectEntryIndex] ) ) != sizeof( outRecording.mRectEntries[rectEntryIndex] ) )
{
assert( false );
outRecording.Reset( );
return false;
}
outRecording.mPlaybackOrder.push_back( std::make_pair( chunkHeader, rectEntryIndex ) );
} break;
case( 3 ): // ClearBuffer
{
outRecording.mPlaybackOrder.push_back( std::make_pair( 3, -1 ) );
} break;
case( 0x7F ): // eOF
{
continueLoading = false;
return true;
} break;
default:
{
assert( false );
outRecording.Reset( );
return false;
}
}
}
assert( false ); // we should never get here
return true;
}
#endif // #if MOC_RECORDER_ENABLE_PLAYBACK
#endif // #if MOC_RECORDER_ENABLE
@@ -0,0 +1,180 @@
////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
////////////////////////////////////////////////////////////////////////////////
#pragma once
/*!
* \file FrameRecorder.h
* \brief Masked occlusion culling recorder class (set MOC_RECORDER_ENABLE to 1 to enable)
*
* Masked occlusion culling recorder class (To enable, set MOC_RECORDER_ENABLE to 1 in MaskedOcclusionCulling.h)
*
* Enables gathering and storing all triangle rendering and all testing calls and their results to a file, for
* later playback and performance testing.
* Usage info:
* - Calling MaskedOcclusionCulling::RecorderStart with a file name will open the file and start recording all subsequent
* triangle rendering and any testing calls including the test results, and MaskedOcclusionCulling::RecorderStop will
* stop recording and close the file.
* - ClearBuffer-s are not recorded so if recording multiple frames, Start/RecorderStop is needed for each frame. For
* correctness testing, the recording should be started around or after ClearBuffer, before any other "Render" calls.
* - BinTriangles and RenderTrilist calls are NOT recorded; If using a custom multithreaded rendering, one should
* record input triangles by manually calling MaskedOcclusionCulling::RecordRenderTriangles - see
* CullingThreadpool::RenderTriangles for an example.
* This is done intentionally in order to get raw input triangles so we can performance test and optimize various
* thread pool approaches.
*/
#include "MaskedOcclusionCulling.h"
#ifndef MOC_RECORDER_USE_STDIO_FILE
/*!
* Whether to use FILE or std::ofstream/istream for file access (to avoid compatibility issues in some environments)
*/
#define MOC_RECORDER_USE_STDIO_FILE 1
#endif
#if MOC_RECORDER_ENABLE
#if MOC_RECORDER_USE_STDIO_FILE
#include <stdio.h>
#else
#include <fstream>
#endif
#include <mutex>
class FrameRecorder
{
#if MOC_RECORDER_USE_STDIO_FILE
FILE * mOutFile;
#else
std::ofstream mOutStream;
#endif
protected:
friend class MaskedOcclusionCulling;
#if MOC_RECORDER_USE_STDIO_FILE
FrameRecorder( FILE *& outFile, const MaskedOcclusionCulling & moc );
#else
FrameRecorder( std::ofstream && outStream, const MaskedOcclusionCulling & moc );
#endif
public:
~FrameRecorder( );
protected:
void Write( const void * buffer, size_t size );
void WriteTriangleRecording( MaskedOcclusionCulling::CullingResult cullingResult, const float *inVtx, const unsigned int *inTris, int nTris, const float *modelToClipMatrix, MaskedOcclusionCulling::ClipPlanes clipPlaneMask, MaskedOcclusionCulling::BackfaceWinding bfWinding, const MaskedOcclusionCulling::VertexLayout & vtxLayout );
public:
void RecordClearBuffer( );
void RecordRenderTriangles( MaskedOcclusionCulling::CullingResult cullingResult, const float *inVtx, const unsigned int *inTris, int nTris, const float *modelToClipMatrix, MaskedOcclusionCulling::ClipPlanes clipPlaneMask, MaskedOcclusionCulling::BackfaceWinding bfWinding, const MaskedOcclusionCulling::VertexLayout &vtxLayout );
void RecordTestRect( MaskedOcclusionCulling::CullingResult cullingResult, float xmin, float ymin, float xmax, float ymax, float wmin );
void RecordTestTriangles( MaskedOcclusionCulling::CullingResult cullingResult, const float *inVtx, const unsigned int *inTris, int nTris, const float *modelToClipMatrix, MaskedOcclusionCulling::ClipPlanes clipPlaneMask, MaskedOcclusionCulling::BackfaceWinding bfWinding, const MaskedOcclusionCulling::VertexLayout &vtxLayout );
};
#if MOC_RECORDER_ENABLE_PLAYBACK
#include <vector>
#if 0 // For future use - in case all vector uses below need conversion to custom allocator
template <class T>
struct MOCVectorAllocator
{
const MaskedOcclusionCulling::pfnAlignedAlloc m_alloc;
const MaskedOcclusionCulling::pfnAlignedFree m_free;
typedef T value_type;
MOCVectorAllocator( ) = delete;
MOCVectorAllocator( MaskedOcclusionCulling::pfnAlignedAlloc alloc, MaskedOcclusionCulling::pfnAlignedFree free ) noexcept : m_alloc( alloc ), m_free( free ) { }
template <class U> constexpr MOCVectorAllocator( const MOCVectorAllocator<U>& c ) noexcept : m_alloc( c.m_alloc ), m_free( c.m_free ) {}
T* allocate( std::size_t n )
{
if( n > std::size_t( -1 ) / sizeof( T ) ) throw std::bad_alloc( );
if( auto p = static_cast<T*>( m_alloc( 64, n * sizeof( T ) ) ) ) return p;
throw std::bad_alloc( );
}
void deallocate( T* p, std::size_t ) noexcept
{
m_free( p );
}
};
template <class T, class U>
inline bool operator==( const MOCVectorAllocator<T>&, const MOCVectorAllocator<U>& ) { return true; }
template <class T, class U>
inline bool operator!=( const MOCVectorAllocator<T>&, const MOCVectorAllocator<U>& ) { return false; }
#endif
struct FrameRecording
{
struct TrianglesEntry
{
MaskedOcclusionCulling::CullingResult mCullingResult;
std::vector<float> mVertices;
std::vector<unsigned int> mTriangles;
float mModelToClipMatrix[16];
MaskedOcclusionCulling::BackfaceWinding mbfWinding;
MaskedOcclusionCulling::VertexLayout mVertexLayout;
MaskedOcclusionCulling::ClipPlanes mClipPlaneMask;
bool mHasModelToClipMatrix;
bool mHasScissorRect;
};
struct RectEntry
{
MaskedOcclusionCulling::CullingResult mCullingResult;
float mXMin;
float mYMin;
float mXMax;
float mYMax;
float mWMin;
};
// list of type&index pairs for playback ( type 0 is RenderTriangles, type 1 is TestRect, type 2 is TestTriangles, type 3 is ClearBuffer )
std::vector< std::pair< char, int > > mPlaybackOrder;
std::vector< TrianglesEntry > mTriangleEntries;
std::vector< RectEntry > mRectEntries;
float mNearClipPlane;
unsigned int mResolutionWidth;
unsigned int mResolutionHeight;
FrameRecording( ) = default;
FrameRecording( const FrameRecording & other ) = default;
FrameRecording( FrameRecording && other )
{
mPlaybackOrder = std::move( other.mPlaybackOrder );
mTriangleEntries = std::move( other.mTriangleEntries );
mRectEntries = std::move( other.mRectEntries );
mNearClipPlane = other.mNearClipPlane;
mResolutionWidth = other.mResolutionWidth;
mResolutionHeight = other.mResolutionHeight;
}
void Reset( )
{
mPlaybackOrder.clear();
mTriangleEntries.clear();
mRectEntries.clear();
mNearClipPlane = 0.0f;
mResolutionWidth = 0;
mResolutionHeight = 0;
}
static bool Load( const char * inputFilePath, FrameRecording & outRecording );
};
#endif // #if MOC_RECORDER_ENABLE_PLAYBACK
#endif // #if MOC_RECORDER_ENABLE
@@ -0,0 +1,411 @@
////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
////////////////////////////////////////////////////////////////////////////////
#include <float.h>
#include <stdio.h>
#include <stdlib.h>
#include <intrin.h>
#include <math.h>
#include <assert.h>
#include <algorithm>
#include <vector>
#include <chrono>
#include <random>
#include <filesystem>
#include <inttypes.h>
#include "../CullingThreadpool.h"
#include "../MaskedOcclusionCulling.h"
#include "../FrameRecorder.h"
#if !MOC_RECORDER_ENABLE
#error This project needs to be compiled with MOC_RECORDER_ENABLE set to 1
#endif
#if !MOC_RECORDER_ENABLE_PLAYBACK
#error This project needs to be compiled with MOC_RECORDER_ENABLE_PLAYBACK set to 1
#endif
////////////////////////////////////////////////////////////////////////////////////////
// Image utility functions, minimal BMP writer and depth buffer tone mapping
////////////////////////////////////////////////////////////////////////////////////////
static void WriteBMP( const char *filename, const unsigned char *data, int w, int h )
{
short header[] = { 0x4D42, 0, 0, 0, 0, 26, 0, 12, 0, (short)w, (short)h, 1, 24 };
#pragma warning ( suppress : 4996 )
FILE * f;
if( fopen_s( &f, filename, "wb" ) == 0 )
{
fwrite( header, 1, sizeof( header ), f );
fwrite( data, 1, w * h * 3, f );
fclose( f );
}
else
{
printf( "\nError trying to save to %s", filename );
}
}
static void TonemapDepth( float *depth, unsigned char *image, int w, int h )
{
// Find min/max w coordinate (discard cleared pixels)
float minW = FLT_MAX, maxW = 0.0f;
for( int i = 0; i < w*h; ++i )
{
if( depth[i] > 0.0f )
{
minW = std::min( minW, depth[i] );
maxW = std::max( maxW, depth[i] );
}
}
// Tonemap depth values
for( int i = 0; i < w*h; ++i )
{
int intensity = 0;
if( depth[i] > 0 )
intensity = (unsigned char)( 223.0*( depth[i] - minW ) / ( maxW - minW ) + 32.0 );
image[i * 3 + 0] = intensity;
image[i * 3 + 1] = intensity;
image[i * 3 + 2] = intensity;
}
}
struct BenchStats
{
double Time;
int ClearCount;
int64_t TriangleCount;
int64_t RectTestCount;
};
BenchStats BenchmarkRecording( FrameRecording & recording, MaskedOcclusionCulling & moc, const int loopCount, const bool includeTests = false )
{
assert( !includeTests ); // not yet implemented
BenchStats stats; memset( &stats, 0, sizeof(stats ) );
auto before = std::chrono::high_resolution_clock::now();
moc.SetNearClipPlane( recording.mNearClipPlane );
for( int loop = 0; loop < loopCount; loop++ )
{
// enforce first clear
moc.ClearBuffer( );
stats.ClearCount++;
for( int i = 0; i < recording.mPlaybackOrder.size( ); i++ )
{
char elementType = recording.mPlaybackOrder[i].first;
int elementIndex = recording.mPlaybackOrder[i].second;
switch( elementType )
{
case( 0 ): // RenderTriangles
{
const FrameRecording::TrianglesEntry & triangleEntry = recording.mTriangleEntries[elementIndex];
moc.RenderTriangles( triangleEntry.mVertices.data( ), triangleEntry.mTriangles.data( ), (int)triangleEntry.mTriangles.size( ) / 3, ( triangleEntry.mHasModelToClipMatrix ) ? ( triangleEntry.mModelToClipMatrix ) : ( nullptr ), triangleEntry.mbfWinding, triangleEntry.mClipPlaneMask, triangleEntry.mVertexLayout );
} break;
case( 1 ): // TestRect
{
} break;
case( 2 ): // TestTriangles
{
} break;
case( 3 ): // ClearBuffer
{
if( i != 0 ) // skip if first clear because we enforced that anyway
{
moc.ClearBuffer( );
stats.ClearCount++;
}
} break;
default: assert( false );
};
}
}
auto after = std::chrono::high_resolution_clock::now();
stats.Time = std::chrono::duration<double>( after - before ).count( );
return stats;
}
BenchStats BenchmarkRecording( FrameRecording & recording, CullingThreadpool & mocThreadpool, const int loopCount, const bool includeTests = false )
{
assert( !includeTests ); // not yet implemented
BenchStats stats; memset( &stats, 0, sizeof( stats ) );
auto before = std::chrono::high_resolution_clock::now( );
mocThreadpool.SetNearClipPlane( recording.mNearClipPlane );
for( int loop = 0; loop < loopCount; loop++ )
{
// enforce first clear
mocThreadpool.ClearBuffer( );
stats.ClearCount++;
for( int i = 0; i < recording.mPlaybackOrder.size( ); i++ )
{
char elementType = recording.mPlaybackOrder[i].first;
int elementIndex = recording.mPlaybackOrder[i].second;
switch( elementType )
{
case( 0 ): // RenderTriangles
{
const FrameRecording::TrianglesEntry & triangleEntry = recording.mTriangleEntries[elementIndex];
mocThreadpool.SetMatrix( ( triangleEntry.mHasModelToClipMatrix ) ? ( triangleEntry.mModelToClipMatrix ) : ( nullptr ) );
mocThreadpool.SetVertexLayout( triangleEntry.mVertexLayout );
assert( !triangleEntry.mHasScissorRect ); // can't use scissor rect in multithreaded scenario because it's already used by the binning part of the algorithm
mocThreadpool.RenderTriangles( triangleEntry.mVertices.data( ), triangleEntry.mTriangles.data( ), (int)triangleEntry.mTriangles.size( ) / 3, triangleEntry.mbfWinding );
stats.TriangleCount += triangleEntry.mTriangles.size( );
} break;
case( 1 ): // TestRect
{
} break;
case( 2 ): // TestTriangles
{
} break;
case( 3 ): // ClearBuffer
{
if( i != 0 ) // skip if first clear because we enforced that anyway
{
mocThreadpool.ClearBuffer( );
stats.ClearCount++;
}
} break;
default: assert( false ); break;
};
}
mocThreadpool.Flush( );
}
auto after = std::chrono::high_resolution_clock::now();
stats.Time = std::chrono::duration<double>(after - before).count();
return stats;
}
/*
double BenchmarkTrianglesD3D(ID3D11Buffer *buf, int numTriangles, bool color)
{
// set the render target as the back buffer
if (color)
context->OMSetRenderTargets(1, &textureRTV, textureDSV);
else
context->OMSetRenderTargets(0, nullptr, textureDSV);
// clear the back buffer to a deep blue
float clearColor[4] = { 0.0f, 1.0f, 0.0f, 1.0f };
context->ClearRenderTargetView(textureRTV, clearColor);
context->ClearDepthStencilView(textureDSV, D3D11_CLEAR_DEPTH, 1.0f, 0);
// Setup primitivelist
UINT stride = sizeof(float) * 4, offset = 0;
context->IASetVertexBuffers(0, 1, &buf, &stride, &offset);
context->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
context->Flush();
// Draw triangles
auto before = std::chrono::high_resolution_clock::now();
context->Begin(endQuery);
context->Draw(numTriangles * 3, 0);
context->End(endQuery);
while (context->GetData(endQuery, nullptr, 0, 0) == S_FALSE) {}
auto after = std::chrono::high_resolution_clock::now();
return std::chrono::duration<double>(after - before).count();
}
*/
////////////////////////////////////////////////////////////////////////////////////////
// Perform basic fillrate benchmarks for GPU and compare with this libray
////////////////////////////////////////////////////////////////////////////////////////
int main(int argc, char* argv[])
{
// settings
const int width = 1920;
const int height = 1080;
const float nearClip = 0.1f;
const int benchLoopCount = 1000;
// Flush denorms to zero to avoid performance issues with small values
_mm_setcsr(_mm_getcsr() | 0x8040);
MaskedOcclusionCulling *moc = MaskedOcclusionCulling::Create();
// Initialize directx
// InitD3D(width, height);
// Setup and state related code
////////////////////////////////////////////////////////////////////////////////////////
// Setup a rendertarget and near clip plane
moc->SetResolution(width, height);
moc->SetNearClipPlane(nearClip);
printf( "Masked Occlusion Culling performance tester\n" );
printf( "Compiler: " );
#ifdef __clang__
printf( "clang/llvm\n" );
#else
printf( "msvc\n" );
#endif
printf( "Instruction set: " );
if( moc->GetImplementation( ) == MaskedOcclusionCulling::SSE2 ) printf( "SSE2\n" );
if( moc->GetImplementation( ) == MaskedOcclusionCulling::SSE41 ) printf( "SSE41\n" );
if( moc->GetImplementation( ) == MaskedOcclusionCulling::AVX2 ) printf( "AVX2\n" );
if( moc->GetImplementation( ) == MaskedOcclusionCulling::AVX512 ) printf( "AVX512\n" );
printf( "\nMOC resolution used: %d x %d\n", width, height );
namespace fs = ::std::experimental::filesystem;
std::vector< std::pair< std::string, FrameRecording > > recordedFiles;
printf( "\nLoading all '*.mocrec' files in the working directory...\n" );
for( auto & p : fs::directory_iterator( "./" ) )
{
if( fs::is_regular_file( p ) && p.path( ).extension( ) == ".mocrec" )
{
std::string fileName = p.path( ).string( );
FrameRecording record;
if( FrameRecording::Load( fileName.c_str(), record ) )
{
recordedFiles.push_back( std::make_pair( fileName, std::move(record) ) );
printf( " loaded dataset %d from '%s': OK\n", int(recordedFiles.size()-1), fileName.c_str( ) );
}
else
{
printf( " loading of '%s' failed!\n", fileName.c_str() );
}
}
}
printf( "\nSaving playback screenshots for loaded recording entries\n" );
for( int i = 0; i < (int)recordedFiles.size(); i++ )
{
auto & entry = recordedFiles[i];
moc->ClearBuffer();
// Save previously loaded recording entries - useful to keep existing data alive when changing/expanding storage format
#define RESAVE_ENTRIES 0
#if RESAVE_ENTRIES != 0
moc->RecorderStart( (entry.first).c_str() );
#endif
const FrameRecording & recording = entry.second;
moc->SetNearClipPlane(recording.mNearClipPlane);
for( int i = 0; i < recording.mPlaybackOrder.size(); i++ )
{
char elementType = recording.mPlaybackOrder[i].first;
int elementIndex = recording.mPlaybackOrder[i].second;
switch( elementType )
{
case( 0 ): // RenderTriangles
{
const FrameRecording::TrianglesEntry & triangleEntry = recording.mTriangleEntries[elementIndex];
moc->RenderTriangles( triangleEntry.mVertices.data(), triangleEntry.mTriangles.data(), (int)triangleEntry.mTriangles.size()/3, (triangleEntry.mHasModelToClipMatrix)?(triangleEntry.mModelToClipMatrix):(nullptr), triangleEntry.mbfWinding, triangleEntry.mClipPlaneMask, triangleEntry.mVertexLayout );
} break;
case( 1 ): // TestRect
{
} break;
case( 2 ): // TestTriangles
{
} break;
case( 3 ): // ClearBuffer
{
moc->ClearBuffer( );
} break;
default: assert( false );
}
}
#if RESAVE_ENTRIES != 0
moc->RecorderStop();
#endif
char fileName[1024]; sprintf_s( fileName, sizeof( fileName ), "%s.bmp", entry.first.c_str() );
// Compute a per pixel depth buffer from the hierarchical depth buffer, used for visualization.
float *perPixelZBuffer = new float[width * height];
moc->ComputePixelDepthBuffer( perPixelZBuffer, true );
// Tonemap the image
unsigned char *image = new unsigned char[width * height * 3];
TonemapDepth( perPixelZBuffer, image, width, height );
WriteBMP( fileName, image, width, height );
delete[] image;
printf( " %d - '%s' written.\n", i, fileName );
}
////////////////////////////////////////////////////////////////////////////////////////
// Perform benchmarks
////////////////////////////////////////////////////////////////////////////////////////
/*
printf("\nD3D Z only\n");
printf("----\n");
for (int i = 0; i < numSizes; ++i)
{
int size = sizes[i];
double t = BenchmarkTrianglesD3D(vBuffers[i], numTriangles[i], false);
double GPixelsPerSecond = (double)numTriangles[i] * size*size / (2.0 * 1e9 * t);
double MTrisPerSecond = (double)numTriangles[i] / (1e6 * t);
printf("Tri: %3dx%3d - Time: %7.2f ms, MTris/s: %6.2f GPixels/s: %5.2f \n", size, size, t * 1000.0f, MTrisPerSecond, GPixelsPerSecond);
}
*/
std::vector<double> singleThreadedTimes;
singleThreadedTimes.resize( recordedFiles.size() );
printf("\nSingle threaded benchmark (%d loops of each frame capture)\n", benchLoopCount);
for( int i = 0; i < (int)recordedFiles.size( ); i++ )
{
auto & entry = recordedFiles[i];
BenchStats stats = BenchmarkRecording( entry.second, *moc, benchLoopCount );
float MTrisPerSecond = (float)((double)stats.TriangleCount / (1e6 * stats.Time));
printf(" %d - tris: %12" PRId64 ", MTris/s: %6.2f, total time: %9.3fms, single loop time: %6.3fms\n", i, stats.TriangleCount, MTrisPerSecond, float(stats.Time*1000.0f), float(stats.Time*1000.0/double(benchLoopCount)) );
singleThreadedTimes[i] = stats.Time;
}
printf( "----\n" );
int numThreads = std::thread::hardware_concurrency( );
printf( "\nMulti threaded benchmark (%d loops of each frame capture, %d threads)\n", benchLoopCount, numThreads );
CullingThreadpool ctp( numThreads, 2, numThreads );
ctp.SetBuffer( moc );
ctp.WakeThreads( );
for( int i = 0; i < (int)recordedFiles.size( ); i++ )
{
auto & entry = recordedFiles[i];
BenchStats stats = BenchmarkRecording( entry.second, ctp, benchLoopCount );
float MTrisPerSecond = (float)( (double)stats.TriangleCount / ( 1e6 * stats.Time ) );
printf( " %d - tris: %12" PRId64 ", MTris/s: %6.2f, total time: %9.3fms, single loop time: %6.3fms, MT scaling: %.3fx\n", i, stats.TriangleCount, MTrisPerSecond, float( stats.Time*1000.0f ), float( stats.Time*1000.0 / double( benchLoopCount ) ), singleThreadedTimes[i] / stats.Time );
}
ctp.SuspendThreads( );
printf( "----\n" );
}
@@ -0,0 +1,42 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
<ClCompile Include="FrameRecorderPlayer.cpp" />
<ClCompile Include="..\CullingThreadpool.cpp">
<Filter>MaskedOcclusionCulling</Filter>
</ClCompile>
<ClCompile Include="..\MaskedOcclusionCulling.cpp">
<Filter>MaskedOcclusionCulling</Filter>
</ClCompile>
<ClCompile Include="..\MaskedOcclusionCullingAVX2.cpp">
<Filter>MaskedOcclusionCulling</Filter>
</ClCompile>
<ClCompile Include="..\MaskedOcclusionCullingAVX512.cpp">
<Filter>MaskedOcclusionCulling</Filter>
</ClCompile>
<ClCompile Include="..\FrameRecorder.cpp">
<Filter>MaskedOcclusionCulling</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\CullingThreadpool.h">
<Filter>MaskedOcclusionCulling</Filter>
</ClInclude>
<ClInclude Include="..\MaskedOcclusionCulling.h">
<Filter>MaskedOcclusionCulling</Filter>
</ClInclude>
<ClInclude Include="..\FrameRecorder.h">
<Filter>MaskedOcclusionCulling</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<Filter Include="MaskedOcclusionCulling">
<UniqueIdentifier>{b848f282-5fc0-4806-b33e-649bedd84f85}</UniqueIdentifier>
</Filter>
</ItemGroup>
<ItemGroup>
<None Include="..\MaskedOcclusionCullingCommon.inl">
<Filter>MaskedOcclusionCulling</Filter>
</None>
</ItemGroup>
</Project>
@@ -0,0 +1,460 @@
////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
////////////////////////////////////////////////////////////////////////////////
#include <vector>
#include <string.h>
#include <assert.h>
#include <float.h>
#include "MaskedOcclusionCulling.h"
#include "CompilerSpecific.inl"
#if MOC_RECORDER_ENABLE
#include "FrameRecorder.h"
#endif
#if defined(__AVX__) || defined(__AVX2__)
// For performance reasons, the MaskedOcclusionCullingAVX2/512.cpp files should be compiled with VEX encoding for SSE instructions (to avoid
// AVX-SSE transition penalties, see https://software.intel.com/en-us/articles/avoiding-avx-sse-transition-penalties). However, this file
// _must_ be compiled without VEX encoding to allow backwards compatibility. Best practice is to use lowest supported target platform
// (/arch:SSE2) as project default, and elevate only the MaskedOcclusionCullingAVX2/512.cpp files.
#error The MaskedOcclusionCulling.cpp should be compiled with lowest supported target platform, e.g. /arch:SSE2
#endif
static MaskedOcclusionCulling::Implementation DetectCPUFeatures(MaskedOcclusionCulling::pfnAlignedAlloc alignedAlloc, MaskedOcclusionCulling::pfnAlignedFree alignedFree)
{
struct CpuInfo { int regs[4]; };
// Get regular CPUID values
int regs[4];
__cpuidex(regs, 0, 0);
// MOCVectorAllocator<CpuInfo> mocalloc( alignedAlloc, alignedFree );
// std::vector<CpuInfo, MOCVectorAllocator<CpuInfo>> cpuId( mocalloc ), cpuIdEx( mocalloc );
// cpuId.resize( regs[0] );
size_t cpuIdCount = regs[0];
CpuInfo * cpuId = (CpuInfo*)alignedAlloc( 64, sizeof(CpuInfo) * cpuIdCount );
for (size_t i = 0; i < cpuIdCount; ++i)
__cpuidex(cpuId[i].regs, (int)i, 0);
// Get extended CPUID values
__cpuidex(regs, 0x80000000, 0);
//cpuIdEx.resize(regs[0] - 0x80000000);
size_t cpuIdExCount = regs[0] - 0x80000000;
CpuInfo * cpuIdEx = (CpuInfo*)alignedAlloc( 64, sizeof( CpuInfo ) * cpuIdExCount );
for (size_t i = 0; i < cpuIdExCount; ++i)
__cpuidex(cpuIdEx[i].regs, 0x80000000 + (int)i, 0);
#define TEST_BITS(A, B) (((A) & (B)) == (B))
#define TEST_FMA_MOVE_OXSAVE (cpuIdCount >= 1 && TEST_BITS(cpuId[1].regs[2], (1 << 12) | (1 << 22) | (1 << 27)))
#define TEST_LZCNT (cpuIdExCount >= 1 && TEST_BITS(cpuIdEx[1].regs[2], 0x20))
#define TEST_SSE41 (cpuIdCount >= 1 && TEST_BITS(cpuId[1].regs[2], (1 << 19)))
#define TEST_XMM_YMM (cpuIdCount >= 1 && TEST_BITS(_xgetbv(0), (1 << 2) | (1 << 1)))
#define TEST_OPMASK_ZMM (cpuIdCount >= 1 && TEST_BITS(_xgetbv(0), (1 << 7) | (1 << 6) | (1 << 5)))
#define TEST_BMI1_BMI2_AVX2 (cpuIdCount >= 7 && TEST_BITS(cpuId[7].regs[1], (1 << 3) | (1 << 5) | (1 << 8)))
#define TEST_AVX512_F_BW_DQ (cpuIdCount >= 7 && TEST_BITS(cpuId[7].regs[1], (1 << 16) | (1 << 17) | (1 << 30)))
MaskedOcclusionCulling::Implementation retVal = MaskedOcclusionCulling::SSE2;
if (TEST_FMA_MOVE_OXSAVE && TEST_LZCNT && TEST_SSE41)
{
if (TEST_XMM_YMM && TEST_OPMASK_ZMM && TEST_BMI1_BMI2_AVX2 && TEST_AVX512_F_BW_DQ)
retVal = MaskedOcclusionCulling::AVX512;
else if (TEST_XMM_YMM && TEST_BMI1_BMI2_AVX2)
retVal = MaskedOcclusionCulling::AVX2;
}
else if (TEST_SSE41)
retVal = MaskedOcclusionCulling::SSE41;
alignedFree( cpuId );
alignedFree( cpuIdEx );
return retVal;
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Utility functions (not directly related to the algorithm/rasterizer)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void MaskedOcclusionCulling::TransformVertices(const float *mtx, const float *inVtx, float *xfVtx, unsigned int nVtx, const VertexLayout &vtxLayout)
{
// This function pretty slow, about 10-20% slower than if the vertices are stored in aligned SOA form.
if (nVtx == 0)
return;
// Load matrix and swizzle out the z component. For post-multiplication (OGL), the matrix is assumed to be column
// major, with one column per SSE register. For pre-multiplication (DX), the matrix is assumed to be row major.
__m128 mtxCol0 = _mm_loadu_ps(mtx);
__m128 mtxCol1 = _mm_loadu_ps(mtx + 4);
__m128 mtxCol2 = _mm_loadu_ps(mtx + 8);
__m128 mtxCol3 = _mm_loadu_ps(mtx + 12);
int stride = vtxLayout.mStride;
const char *vPtr = (const char *)inVtx;
float *outPtr = xfVtx;
// Iterate through all vertices and transform
for (unsigned int vtx = 0; vtx < nVtx; ++vtx)
{
__m128 xVal = _mm_load1_ps((float*)(vPtr));
__m128 yVal = _mm_load1_ps((float*)(vPtr + vtxLayout.mOffsetY));
__m128 zVal = _mm_load1_ps((float*)(vPtr + vtxLayout.mOffsetZ));
__m128 xform = _mm_add_ps(_mm_mul_ps(mtxCol0, xVal), _mm_add_ps(_mm_mul_ps(mtxCol1, yVal), _mm_add_ps(_mm_mul_ps(mtxCol2, zVal), mtxCol3)));
_mm_storeu_ps(outPtr, xform);
vPtr += stride;
outPtr += 4;
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Typedefs
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
typedef MaskedOcclusionCulling::pfnAlignedAlloc pfnAlignedAlloc;
typedef MaskedOcclusionCulling::pfnAlignedFree pfnAlignedFree;
typedef MaskedOcclusionCulling::VertexLayout VertexLayout;
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Common SSE2/SSE4.1 defines
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#define SIMD_LANES 4
#define TILE_HEIGHT_SHIFT 2
#define SIMD_LANE_IDX _mm_setr_epi32(0, 1, 2, 3)
#define SIMD_SUB_TILE_COL_OFFSET _mm_setr_epi32(0, SUB_TILE_WIDTH, SUB_TILE_WIDTH * 2, SUB_TILE_WIDTH * 3)
#define SIMD_SUB_TILE_ROW_OFFSET _mm_setzero_si128()
#define SIMD_SUB_TILE_COL_OFFSET_F _mm_setr_ps(0, SUB_TILE_WIDTH, SUB_TILE_WIDTH * 2, SUB_TILE_WIDTH * 3)
#define SIMD_SUB_TILE_ROW_OFFSET_F _mm_setzero_ps()
#define SIMD_LANE_YCOORD_I _mm_setr_epi32(128, 384, 640, 896)
#define SIMD_LANE_YCOORD_F _mm_setr_ps(128.0f, 384.0f, 640.0f, 896.0f)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Common SSE2/SSE4.1 functions
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
typedef __m128 __mw;
typedef __m128i __mwi;
#define _mmw_set1_ps _mm_set1_ps
#define _mmw_setzero_ps _mm_setzero_ps
#define _mmw_and_ps _mm_and_ps
#define _mmw_or_ps _mm_or_ps
#define _mmw_xor_ps _mm_xor_ps
#define _mmw_not_ps(a) _mm_xor_ps((a), _mm_castsi128_ps(_mm_set1_epi32(~0)))
#define _mmw_andnot_ps _mm_andnot_ps
#define _mmw_neg_ps(a) _mm_xor_ps((a), _mm_set1_ps(-0.0f))
#define _mmw_abs_ps(a) _mm_and_ps((a), _mm_castsi128_ps(_mm_set1_epi32(0x7FFFFFFF)))
#define _mmw_add_ps _mm_add_ps
#define _mmw_sub_ps _mm_sub_ps
#define _mmw_mul_ps _mm_mul_ps
#define _mmw_div_ps _mm_div_ps
#define _mmw_min_ps _mm_min_ps
#define _mmw_max_ps _mm_max_ps
#define _mmw_movemask_ps _mm_movemask_ps
#define _mmw_cmpge_ps(a,b) _mm_cmpge_ps(a, b)
#define _mmw_cmpgt_ps(a,b) _mm_cmpgt_ps(a, b)
#define _mmw_cmpeq_ps(a,b) _mm_cmpeq_ps(a, b)
#define _mmw_fmadd_ps(a,b,c) _mm_add_ps(_mm_mul_ps(a,b), c)
#define _mmw_fmsub_ps(a,b,c) _mm_sub_ps(_mm_mul_ps(a,b), c)
#define _mmw_shuffle_ps _mm_shuffle_ps
#define _mmw_insertf32x4_ps(a,b,c) (b)
#define _mmw_cvtepi32_ps _mm_cvtepi32_ps
#define _mmw_blendv_epi32(a,b,c) simd_cast<__mwi>(_mmw_blendv_ps(simd_cast<__mw>(a), simd_cast<__mw>(b), simd_cast<__mw>(c)))
#define _mmw_set1_epi32 _mm_set1_epi32
#define _mmw_setzero_epi32 _mm_setzero_si128
#define _mmw_and_epi32 _mm_and_si128
#define _mmw_or_epi32 _mm_or_si128
#define _mmw_xor_epi32 _mm_xor_si128
#define _mmw_not_epi32(a) _mm_xor_si128((a), _mm_set1_epi32(~0))
#define _mmw_andnot_epi32 _mm_andnot_si128
#define _mmw_neg_epi32(a) _mm_sub_epi32(_mm_set1_epi32(0), (a))
#define _mmw_add_epi32 _mm_add_epi32
#define _mmw_sub_epi32 _mm_sub_epi32
#define _mmw_subs_epu16 _mm_subs_epu16
#define _mmw_cmpeq_epi32 _mm_cmpeq_epi32
#define _mmw_cmpgt_epi32 _mm_cmpgt_epi32
#define _mmw_srai_epi32 _mm_srai_epi32
#define _mmw_srli_epi32 _mm_srli_epi32
#define _mmw_slli_epi32 _mm_slli_epi32
#define _mmw_cvtps_epi32 _mm_cvtps_epi32
#define _mmw_cvttps_epi32 _mm_cvttps_epi32
#define _mmx_fmadd_ps _mmw_fmadd_ps
#define _mmx_max_epi32 _mmw_max_epi32
#define _mmx_min_epi32 _mmw_min_epi32
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// SIMD casting functions
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
template<typename T, typename Y> FORCE_INLINE T simd_cast(Y A);
template<> FORCE_INLINE __m128 simd_cast<__m128>(float A) { return _mm_set1_ps(A); }
template<> FORCE_INLINE __m128 simd_cast<__m128>(__m128i A) { return _mm_castsi128_ps(A); }
template<> FORCE_INLINE __m128 simd_cast<__m128>(__m128 A) { return A; }
template<> FORCE_INLINE __m128i simd_cast<__m128i>(int A) { return _mm_set1_epi32(A); }
template<> FORCE_INLINE __m128i simd_cast<__m128i>(__m128 A) { return _mm_castps_si128(A); }
template<> FORCE_INLINE __m128i simd_cast<__m128i>(__m128i A) { return A; }
#define MAKE_ACCESSOR(name, simd_type, base_type, is_const, elements) \
FORCE_INLINE is_const base_type * name(is_const simd_type &a) { \
union accessor { simd_type m_native; base_type m_array[elements]; }; \
is_const accessor *acs = reinterpret_cast<is_const accessor*>(&a); \
return acs->m_array; \
}
MAKE_ACCESSOR(simd_f32, __m128, float, , 4)
MAKE_ACCESSOR(simd_f32, __m128, float, const, 4)
MAKE_ACCESSOR(simd_i32, __m128i, int, , 4)
MAKE_ACCESSOR(simd_i32, __m128i, int, const, 4)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Specialized SSE input assembly function for general vertex gather
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
FORCE_INLINE void GatherVertices(__m128 *vtxX, __m128 *vtxY, __m128 *vtxW, const float *inVtx, const unsigned int *inTrisPtr, int numLanes, const VertexLayout &vtxLayout)
{
for (int lane = 0; lane < numLanes; lane++)
{
for (int i = 0; i < 3; i++)
{
char *vPtrX = (char *)inVtx + inTrisPtr[lane * 3 + i] * vtxLayout.mStride;
char *vPtrY = vPtrX + vtxLayout.mOffsetY;
char *vPtrW = vPtrX + vtxLayout.mOffsetW;
simd_f32(vtxX[i])[lane] = *((float*)vPtrX);
simd_f32(vtxY[i])[lane] = *((float*)vPtrY);
simd_f32(vtxW[i])[lane] = *((float*)vPtrW);
}
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// SSE4.1 version
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
namespace MaskedOcclusionCullingSSE41
{
FORCE_INLINE __m128i _mmw_mullo_epi32(const __m128i &a, const __m128i &b) { return _mm_mullo_epi32(a, b); }
FORCE_INLINE __m128i _mmw_min_epi32(const __m128i &a, const __m128i &b) { return _mm_min_epi32(a, b); }
FORCE_INLINE __m128i _mmw_max_epi32(const __m128i &a, const __m128i &b) { return _mm_max_epi32(a, b); }
FORCE_INLINE __m128i _mmw_abs_epi32(const __m128i &a) { return _mm_abs_epi32(a); }
FORCE_INLINE __m128 _mmw_blendv_ps(const __m128 &a, const __m128 &b, const __m128 &c) { return _mm_blendv_ps(a, b, c); }
FORCE_INLINE int _mmw_testz_epi32(const __m128i &a, const __m128i &b) { return _mm_testz_si128(a, b); }
FORCE_INLINE __m128 _mmx_dp4_ps(const __m128 &a, const __m128 &b) { return _mm_dp_ps(a, b, 0xFF); }
FORCE_INLINE __m128 _mmw_floor_ps(const __m128 &a) { return _mm_round_ps(a, _MM_FROUND_TO_NEG_INF | _MM_FROUND_NO_EXC); }
FORCE_INLINE __m128 _mmw_ceil_ps(const __m128 &a) { return _mm_round_ps(a, _MM_FROUND_TO_POS_INF | _MM_FROUND_NO_EXC); }
FORCE_INLINE __m128i _mmw_transpose_epi8(const __m128i &a)
{
const __m128i shuff = _mm_setr_epi8(0x0, 0x4, 0x8, 0xC, 0x1, 0x5, 0x9, 0xD, 0x2, 0x6, 0xA, 0xE, 0x3, 0x7, 0xB, 0xF);
return _mm_shuffle_epi8(a, shuff);
}
FORCE_INLINE __m128i _mmw_sllv_ones(const __m128i &ishift)
{
__m128i shift = _mm_min_epi32(ishift, _mm_set1_epi32(32));
// Uses lookup tables and _mm_shuffle_epi8 to perform _mm_sllv_epi32(~0, shift)
const __m128i byteShiftLUT = _mm_setr_epi8((char)0xFF, (char)0xFE, (char)0xFC, (char)0xF8, (char)0xF0, (char)0xE0, (char)0xC0, (char)0x80, 0, 0, 0, 0, 0, 0, 0, 0);
const __m128i byteShiftOffset = _mm_setr_epi8(0, 8, 16, 24, 0, 8, 16, 24, 0, 8, 16, 24, 0, 8, 16, 24);
const __m128i byteShiftShuffle = _mm_setr_epi8(0x0, 0x0, 0x0, 0x0, 0x4, 0x4, 0x4, 0x4, 0x8, 0x8, 0x8, 0x8, 0xC, 0xC, 0xC, 0xC);
__m128i byteShift = _mm_shuffle_epi8(shift, byteShiftShuffle);
byteShift = _mm_min_epi8(_mm_subs_epu8(byteShift, byteShiftOffset), _mm_set1_epi8(8));
__m128i retMask = _mm_shuffle_epi8(byteShiftLUT, byteShift);
return retMask;
}
static MaskedOcclusionCulling::Implementation gInstructionSet = MaskedOcclusionCulling::SSE41;
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Include common algorithm implementation (general, SIMD independent code)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#include "MaskedOcclusionCullingCommon.inl"
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Utility function to create a new object using the allocator callbacks
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
MaskedOcclusionCulling *CreateMaskedOcclusionCulling(pfnAlignedAlloc alignedAlloc, pfnAlignedFree alignedFree)
{
MaskedOcclusionCullingPrivate *object = (MaskedOcclusionCullingPrivate *)alignedAlloc(64, sizeof(MaskedOcclusionCullingPrivate));
new (object) MaskedOcclusionCullingPrivate(alignedAlloc, alignedFree);
return object;
}
};
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// SSE2 version
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
namespace MaskedOcclusionCullingSSE2
{
FORCE_INLINE __m128i _mmw_mullo_epi32(const __m128i &a, const __m128i &b)
{
// Do products for even / odd lanes & merge the result
__m128i even = _mm_and_si128(_mm_mul_epu32(a, b), _mm_setr_epi32(~0, 0, ~0, 0));
__m128i odd = _mm_slli_epi64(_mm_mul_epu32(_mm_srli_epi64(a, 32), _mm_srli_epi64(b, 32)), 32);
return _mm_or_si128(even, odd);
}
FORCE_INLINE __m128i _mmw_min_epi32(const __m128i &a, const __m128i &b)
{
__m128i cond = _mm_cmpgt_epi32(a, b);
return _mm_or_si128(_mm_andnot_si128(cond, a), _mm_and_si128(cond, b));
}
FORCE_INLINE __m128i _mmw_max_epi32(const __m128i &a, const __m128i &b)
{
__m128i cond = _mm_cmpgt_epi32(b, a);
return _mm_or_si128(_mm_andnot_si128(cond, a), _mm_and_si128(cond, b));
}
FORCE_INLINE __m128i _mmw_abs_epi32(const __m128i &a)
{
__m128i mask = _mm_cmplt_epi32(a, _mm_setzero_si128());
return _mm_add_epi32(_mm_xor_si128(a, mask), _mm_srli_epi32(mask, 31));
}
FORCE_INLINE int _mmw_testz_epi32(const __m128i &a, const __m128i &b)
{
return _mm_movemask_epi8(_mm_cmpeq_epi8(_mm_and_si128(a, b), _mm_setzero_si128())) == 0xFFFF;
}
FORCE_INLINE __m128 _mmw_blendv_ps(const __m128 &a, const __m128 &b, const __m128 &c)
{
__m128 cond = _mm_castsi128_ps(_mm_srai_epi32(_mm_castps_si128(c), 31));
return _mm_or_ps(_mm_andnot_ps(cond, a), _mm_and_ps(cond, b));
}
FORCE_INLINE __m128 _mmx_dp4_ps(const __m128 &a, const __m128 &b)
{
// Product and two shuffle/adds pairs (similar to hadd_ps)
__m128 prod = _mm_mul_ps(a, b);
__m128 dp = _mm_add_ps(prod, _mm_shuffle_ps(prod, prod, _MM_SHUFFLE(2, 3, 0, 1)));
dp = _mm_add_ps(dp, _mm_shuffle_ps(dp, dp, _MM_SHUFFLE(0, 1, 2, 3)));
return dp;
}
FORCE_INLINE __m128 _mmw_floor_ps(const __m128 &a)
{
int originalMode = _MM_GET_ROUNDING_MODE();
_MM_SET_ROUNDING_MODE(_MM_ROUND_DOWN);
__m128 rounded = _mm_cvtepi32_ps(_mm_cvtps_epi32(a));
_MM_SET_ROUNDING_MODE(originalMode);
return rounded;
}
FORCE_INLINE __m128 _mmw_ceil_ps(const __m128 &a)
{
int originalMode = _MM_GET_ROUNDING_MODE();
_MM_SET_ROUNDING_MODE(_MM_ROUND_UP);
__m128 rounded = _mm_cvtepi32_ps(_mm_cvtps_epi32(a));
_MM_SET_ROUNDING_MODE(originalMode);
return rounded;
}
FORCE_INLINE __m128i _mmw_transpose_epi8(const __m128i &a)
{
// Perform transpose through two 16->8 bit pack and byte shifts
__m128i res = a;
const __m128i mask = _mm_setr_epi8(~0, 0, ~0, 0, ~0, 0, ~0, 0, ~0, 0, ~0, 0, ~0, 0, ~0, 0);
res = _mm_packus_epi16(_mm_and_si128(res, mask), _mm_srli_epi16(res, 8));
res = _mm_packus_epi16(_mm_and_si128(res, mask), _mm_srli_epi16(res, 8));
return res;
}
FORCE_INLINE __m128i _mmw_sllv_ones(const __m128i &ishift)
{
__m128i shift = _mmw_min_epi32(ishift, _mm_set1_epi32(32));
// Uses scalar approach to perform _mm_sllv_epi32(~0, shift)
static const unsigned int maskLUT[33] = {
~0U << 0, ~0U << 1, ~0U << 2 , ~0U << 3, ~0U << 4, ~0U << 5, ~0U << 6 , ~0U << 7, ~0U << 8, ~0U << 9, ~0U << 10 , ~0U << 11, ~0U << 12, ~0U << 13, ~0U << 14 , ~0U << 15,
~0U << 16, ~0U << 17, ~0U << 18 , ~0U << 19, ~0U << 20, ~0U << 21, ~0U << 22 , ~0U << 23, ~0U << 24, ~0U << 25, ~0U << 26 , ~0U << 27, ~0U << 28, ~0U << 29, ~0U << 30 , ~0U << 31,
0U };
__m128i retMask;
simd_i32(retMask)[0] = (int)maskLUT[simd_i32(shift)[0]];
simd_i32(retMask)[1] = (int)maskLUT[simd_i32(shift)[1]];
simd_i32(retMask)[2] = (int)maskLUT[simd_i32(shift)[2]];
simd_i32(retMask)[3] = (int)maskLUT[simd_i32(shift)[3]];
return retMask;
}
static MaskedOcclusionCulling::Implementation gInstructionSet = MaskedOcclusionCulling::SSE2;
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Include common algorithm implementation (general, SIMD independent code)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#include "MaskedOcclusionCullingCommon.inl"
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Utility function to create a new object using the allocator callbacks
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
MaskedOcclusionCulling *CreateMaskedOcclusionCulling(pfnAlignedAlloc alignedAlloc, pfnAlignedFree alignedFree)
{
MaskedOcclusionCullingPrivate *object = (MaskedOcclusionCullingPrivate *)alignedAlloc(64, sizeof(MaskedOcclusionCullingPrivate));
new (object) MaskedOcclusionCullingPrivate(alignedAlloc, alignedFree);
return object;
}
};
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Object construction and allocation
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
namespace MaskedOcclusionCullingAVX512
{
#if USE_AVX512 != 0
extern MaskedOcclusionCulling *CreateMaskedOcclusionCulling(pfnAlignedAlloc alignedAlloc, pfnAlignedFree alignedFree);
#endif
}
namespace MaskedOcclusionCullingAVX2
{
extern MaskedOcclusionCulling *CreateMaskedOcclusionCulling(pfnAlignedAlloc alignedAlloc, pfnAlignedFree alignedFree);
}
MaskedOcclusionCulling *MaskedOcclusionCulling::Create(Implementation RequestedSIMD)
{
return Create(RequestedSIMD, aligned_alloc, aligned_free);
}
MaskedOcclusionCulling *MaskedOcclusionCulling::Create(Implementation RequestedSIMD, pfnAlignedAlloc alignedAlloc, pfnAlignedFree alignedFree)
{
MaskedOcclusionCulling *object = nullptr;
MaskedOcclusionCulling::Implementation impl = DetectCPUFeatures(alignedAlloc, alignedFree);
if (RequestedSIMD < impl)
impl = RequestedSIMD;
// Return best supported version
#if USE_AVX512 != 0
if (object == nullptr && impl >= AVX512)
object = MaskedOcclusionCullingAVX512::CreateMaskedOcclusionCulling(alignedAlloc, alignedFree); // Use AVX512 version
#endif
if (object == nullptr && impl >= AVX2)
object = MaskedOcclusionCullingAVX2::CreateMaskedOcclusionCulling(alignedAlloc, alignedFree); // Use AVX2 version
if (object == nullptr && impl >= SSE41)
object = MaskedOcclusionCullingSSE41::CreateMaskedOcclusionCulling(alignedAlloc, alignedFree); // Use SSE4.1 version
if (object == nullptr)
object = MaskedOcclusionCullingSSE2::CreateMaskedOcclusionCulling(alignedAlloc, alignedFree); // Use SSE2 (slow) version
return object;
}
void MaskedOcclusionCulling::Destroy(MaskedOcclusionCulling *moc)
{
pfnAlignedFree alignedFreeCallback = moc->mAlignedFreeCallback;
moc->~MaskedOcclusionCulling();
alignedFreeCallback(moc);
}
@@ -0,0 +1,592 @@
////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
////////////////////////////////////////////////////////////////////////////////
#pragma once
/*!
* \file MaskedOcclusionCulling.h
* \brief Masked Occlusion Culling
*
* General information
* - Input to all API functions are (x,y,w) clip-space coordinates (x positive left, y positive up, w positive away from camera).
* We entirely skip the z component and instead compute it as 1 / w, see next bullet. For TestRect the input is NDC (x/w, y/w).
* - We use a simple z = 1 / w transform, which is a bit faster than OGL/DX depth transforms. Thus, depth is REVERSED and z = 0 at
* the far plane and z = inf at w = 0. We also have to use a GREATER depth function, which explains why all the conservative
* tests will be reversed compared to what you might be used to (for example zMaxTri >= zMinBuffer is a visibility test)
* - We support different layouts for vertex data (basic AoS and SoA), but note that it's beneficial to store the position data
* as tightly in memory as possible to reduce cache misses. Big strides are bad, so it's beneficial to keep position as a separate
* stream (rather than bundled with attributes) or to keep a copy of the position data for the occlusion culling system.
* - The resolution width must be a multiple of 8 and height a multiple of 4.
* - The hierarchical Z buffer is stored OpenGL-style with the y axis pointing up. This includes the scissor box.
* - This code is only tested with Visual Studio 2015, but should hopefully be easy to port to other compilers.
*/
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Defines used to configure the implementation
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#ifndef QUICK_MASK
/*!
* Configure the algorithm used for updating and merging hierarchical z buffer entries. If QUICK_MASK
* is defined to 1, use the algorithm from the paper "Masked Software Occlusion Culling", which has good
* balance between performance and low leakage. If QUICK_MASK is defined to 0, use the algorithm from
* "Masked Depth Culling for Graphics Hardware" which has less leakage, but also lower performance.
*/
#define QUICK_MASK 1
#endif
#ifndef USE_D3D
/*!
* Configures the library for use with Direct3D (default) or OpenGL rendering. This changes whether the
* screen space Y axis points downwards (D3D) or upwards (OGL), and is primarily important in combination
* with the PRECISE_COVERAGE define, where this is important to ensure correct rounding and tie-breaker
* behaviour. It also affects the ScissorRect screen space coordinates.
*/
#define USE_D3D 1
#endif
#ifndef PRECISE_COVERAGE
/*!
* Define PRECISE_COVERAGE to 1 to more closely match GPU rasterization rules. The increased precision comes
* at a cost of slightly lower performance.
*/
#define PRECISE_COVERAGE 1
#endif
#ifndef USE_AVX512
/*!
* Define USE_AVX512 to 1 to enable experimental AVX-512 support. It's currently mostly untested and only
* validated on simple examples using Intel SDE. Older compilers may not support AVX-512 intrinsics.
*/
#define USE_AVX512 0
#endif
#ifndef CLIPPING_PRESERVES_ORDER
/*!
* Define CLIPPING_PRESERVES_ORDER to 1 to prevent clipping from reordering triangle rasterization
* order; This comes at a cost (approx 3-4%) but removes one source of temporal frame-to-frame instability.
*/
#define CLIPPING_PRESERVES_ORDER 1
#endif
#ifndef ENABLE_STATS
/*!
* Define ENABLE_STATS to 1 to gather various statistics during occlusion culling. Can be used for profiling
* and debugging. Note that enabling this function will reduce performance significantly.
*/
#define ENABLE_STATS 0
#endif
#ifndef MOC_RECORDER_ENABLE
/*!
* Define MOC_RECORDER_ENABLE to 1 to enable frame recorder (see FrameRecorder.h/cpp for details)
*/
#define MOC_RECORDER_ENABLE 0
#endif
#if MOC_RECORDER_ENABLE
#ifndef MOC_RECORDER_ENABLE_PLAYBACK
/*!
* Define MOC_RECORDER_ENABLE_PLAYBACK to 1 to enable compilation of the playback code (not needed
for recording)
*/
#define MOC_RECORDER_ENABLE_PLAYBACK 0
#endif
#endif
#if MOC_RECORDER_ENABLE
#include <mutex>
class FrameRecorder;
#endif // #if MOC_RECORDER_ENABLE
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Masked occlusion culling class
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
class MaskedOcclusionCulling
{
public:
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Memory management callback functions
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
typedef void *(*pfnAlignedAlloc)(size_t alignment, size_t size);
typedef void (*pfnAlignedFree) (void *ptr);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Enums
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
enum Implementation
{
SSE2 = 0,
SSE41 = 1,
AVX2 = 2,
AVX512 = 3
};
enum BackfaceWinding
{
BACKFACE_NONE = 0,
BACKFACE_CW = 1,
BACKFACE_CCW = 2,
};
enum CullingResult
{
VISIBLE = 0x0,
OCCLUDED = 0x1,
VIEW_CULLED = 0x3
};
enum ClipPlanes
{
CLIP_PLANE_NONE = 0x00,
CLIP_PLANE_NEAR = 0x01,
CLIP_PLANE_LEFT = 0x02,
CLIP_PLANE_RIGHT = 0x04,
CLIP_PLANE_BOTTOM = 0x08,
CLIP_PLANE_TOP = 0x10,
CLIP_PLANE_SIDES = (CLIP_PLANE_LEFT | CLIP_PLANE_RIGHT | CLIP_PLANE_BOTTOM | CLIP_PLANE_TOP),
CLIP_PLANE_ALL = (CLIP_PLANE_LEFT | CLIP_PLANE_RIGHT | CLIP_PLANE_BOTTOM | CLIP_PLANE_TOP | CLIP_PLANE_NEAR)
};
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Structs
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/*!
* Used to specify custom vertex layout. Memory offsets to y and z coordinates are set through
* mOffsetY and mOffsetW, and vertex stride is given by mStride. It's possible to configure both
* AoS and SoA layouts. Note that large strides may cause more cache misses and decrease
* performance. It is advisable to store position data as compactly in memory as possible.
*/
struct VertexLayout
{
VertexLayout() {}
VertexLayout(int stride, int offsetY, int offsetZW) :
mStride(stride), mOffsetY(offsetY), mOffsetW(offsetZW) {}
int mStride; //!< byte stride between vertices
int mOffsetY; //!< byte offset from X to Y coordinate
union {
int mOffsetZ; //!< byte offset from X to Z coordinate
int mOffsetW; //!< byte offset from X to W coordinate
};
};
/*!
* Used to control scissoring during rasterization. Note that we only provide coarse scissor support.
* The scissor box x coordinates must be a multiple of 32, and the y coordinates a multiple of 8.
* Scissoring is mainly meant as a means of enabling binning (sort middle) rasterizers in case
* application developers want to use that approach for multithreading.
*/
struct ScissorRect
{
ScissorRect() {}
ScissorRect(int minX, int minY, int maxX, int maxY) :
mMinX(minX), mMinY(minY), mMaxX(maxX), mMaxY(maxY) {}
int mMinX; //!< Screen space X coordinate for left side of scissor rect, inclusive and must be a multiple of 32
int mMinY; //!< Screen space Y coordinate for bottom side of scissor rect, inclusive and must be a multiple of 8
int mMaxX; //!< Screen space X coordinate for right side of scissor rect, <B>non</B> inclusive and must be a multiple of 32
int mMaxY; //!< Screen space Y coordinate for top side of scissor rect, <B>non</B> inclusive and must be a multiple of 8
};
/*!
* Used to specify storage area for a binlist, containing triangles. This struct is used for binning
* and multithreading. The host application is responsible for allocating memory for the binlists.
*/
struct TriList
{
unsigned int mNumTriangles; //!< Maximum number of triangles that may be stored in mPtr
unsigned int mTriIdx; //!< Index of next triangle to be written, clear before calling BinTriangles to start from the beginning of the list
float *mPtr; //!< Scratchpad buffer allocated by the host application
};
/*!
* Statistics that can be gathered during occluder rendering and visibility to aid debugging
* and profiling. Must be enabled by changing the ENABLE_STATS define.
*/
struct OcclusionCullingStatistics
{
struct
{
long long mNumProcessedTriangles; //!< Number of occluder triangles processed in total
long long mNumRasterizedTriangles; //!< Number of occluder triangles passing view frustum and backface culling
long long mNumTilesTraversed; //!< Number of tiles traversed by the rasterizer
long long mNumTilesUpdated; //!< Number of tiles where the hierarchical z buffer was updated
long long mNumTilesMerged; //!< Number of tiles where the hierarchical z buffer was updated
} mOccluders;
struct
{
long long mNumProcessedRectangles; //!< Number of rects processed (TestRect())
long long mNumProcessedTriangles; //!< Number of ocludee triangles processed (TestTriangles())
long long mNumRasterizedTriangles; //!< Number of ocludee triangle passing view frustum and backface culling
long long mNumTilesTraversed; //!< Number of tiles traversed by triangle & rect rasterizers
} mOccludees;
};
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Functions
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/*!
* \brief Creates a new object with default state, no z buffer attached/allocated.
*/
static MaskedOcclusionCulling *Create(Implementation RequestedSIMD = AVX512);
/*!
* \brief Creates a new object with default state, no z buffer attached/allocated.
* \param alignedAlloc Pointer to a callback function used when allocating memory
* \param alignedFree Pointer to a callback function used when freeing memory
*/
static MaskedOcclusionCulling *Create(Implementation RequestedSIMD, pfnAlignedAlloc alignedAlloc, pfnAlignedFree alignedFree);
/*!
* \brief Destroys an object and frees the z buffer memory. Note that you cannot
* use the delete operator, and should rather use this function to free up memory.
*/
static void Destroy(MaskedOcclusionCulling *moc);
/*!
* \brief Sets the resolution of the hierarchical depth buffer. This function will
* re-allocate the current depth buffer (if present). The contents of the
* buffer is undefined until ClearBuffer() is called.
*
* \param witdh The width of the buffer in pixels, must be a multiple of 8
* \param height The height of the buffer in pixels, must be a multiple of 4
*/
virtual void SetResolution(unsigned int width, unsigned int height) = 0;
/*!
* \brief Gets the resolution of the hierarchical depth buffer.
*
* \param witdh Output: The width of the buffer in pixels
* \param height Output: The height of the buffer in pixels
*/
virtual void GetResolution(unsigned int &width, unsigned int &height) const = 0;
/*!
* \brief Returns the tile size for the current implementation.
*
* \param nBinsW Number of vertical bins, the screen is divided into nBinsW x nBinsH
* rectangular bins.
* \param nBinsH Number of horizontal bins, the screen is divided into nBinsW x nBinsH
* rectangular bins.
* \param outBinWidth Output: The width of the single bin in pixels (except for the
* rightmost bin width, which is extended to resolution width)
* \param outBinHeight Output: The height of the single bin in pixels (except for the
* bottommost bin height, which is extended to resolution height)
*/
virtual void ComputeBinWidthHeight(unsigned int nBinsW, unsigned int nBinsH, unsigned int & outBinWidth, unsigned int & outBinHeight) = 0;
/*!
* \brief Sets the distance for the near clipping plane. Default is nearDist = 0.
*
* \param nearDist The distance to the near clipping plane, given as clip space w
*/
virtual void SetNearClipPlane(float nearDist) = 0;
/*!
* \brief Gets the distance for the near clipping plane.
*/
virtual float GetNearClipPlane() const = 0;
/*!
* \brief Clears the hierarchical depth buffer.
*/
virtual void ClearBuffer() = 0;
/*!
* \brief Merge a second hierarchical depth buffer into the main buffer.
*/
virtual void MergeBuffer(MaskedOcclusionCulling* BufferB) = 0;
/*!
* \brief Renders a mesh of occluder triangles and updates the hierarchical z buffer
* with conservative depth values.
*
* This function is optimized for vertex layouts with stride 16 and y and w
* offsets of 4 and 12 bytes, respectively.
*
* \param inVtx Pointer to an array of input vertices, should point to the x component
* of the first vertex. The input vertices are given as (x,y,w) coordinates
* in clip space. The memory layout can be changed using vtxLayout.
* \param inTris Pointer to an array of vertex indices. Each triangle is created
* from three indices consecutively fetched from the array.
* \param nTris The number of triangles to render (inTris must contain atleast 3*nTris
* entries)
* \param modelToClipMatrix all vertices will be transformed by this matrix before
* performing projection. If nullptr is passed the transform step will be skipped
* \param bfWinding Sets triangle winding order to consider backfacing, must be one one
* of (BACKFACE_NONE, BACKFACE_CW and BACKFACE_CCW). Back-facing triangles are culled
* and will not be rasterized. You may use BACKFACE_NONE to disable culling for
* double sided geometry
* \param clipPlaneMask A mask indicating which clip planes should be considered by the
* triangle clipper. Can be used as an optimization if your application can
* determine (for example during culling) that a group of triangles does not
* intersect a certain frustum plane. However, setting an incorrect mask may
* cause out of bounds memory accesses.
* \param vtxLayout A struct specifying the vertex layout (see struct for detailed
* description). For best performance, it is advisable to store position data
* as compactly in memory as possible.
* \return Will return VIEW_CULLED if all triangles are either outside the frustum or
* backface culled, returns VISIBLE otherwise.
*/
virtual CullingResult RenderTriangles(const float *inVtx, const unsigned int *inTris, int nTris, const float *modelToClipMatrix = nullptr, BackfaceWinding bfWinding = BACKFACE_CW, ClipPlanes clipPlaneMask = CLIP_PLANE_ALL, const VertexLayout &vtxLayout = VertexLayout(16, 4, 12)) = 0;
/*!
* \brief Occlusion query for a rectangle with a given depth. The rectangle is given
* in normalized device coordinates where (x,y) coordinates between [-1,1] map
* to the visible screen area. The query uses a GREATER_EQUAL (reversed) depth
* test meaning that depth values equal to the contents of the depth buffer are
* counted as visible.
*
* \param xmin NDC coordinate of the left side of the rectangle.
* \param ymin NDC coordinate of the bottom side of the rectangle.
* \param xmax NDC coordinate of the right side of the rectangle.
* \param ymax NDC coordinate of the top side of the rectangle.
* \param ymax NDC coordinate of the top side of the rectangle.
* \param wmin Clip space W coordinate for the rectangle.
* \return The query will return VISIBLE if the rectangle may be visible, OCCLUDED
* if the rectangle is occluded by a previously rendered object, or VIEW_CULLED
* if the rectangle is outside the view frustum.
*/
virtual CullingResult TestRect(float xmin, float ymin, float xmax, float ymax, float wmin) const = 0;
/*!
* \brief This function is similar to RenderTriangles(), but performs an occlusion
* query instead and does not update the hierarchical z buffer. The query uses
* a GREATER_EQUAL (reversed) depth test meaning that depth values equal to the
* contents of the depth buffer are counted as visible.
*
* This function is optimized for vertex layouts with stride 16 and y and w
* offsets of 4 and 12 bytes, respectively.
*
* \param inVtx Pointer to an array of input vertices, should point to the x component
* of the first vertex. The input vertices are given as (x,y,w) coordinates
* in clip space. The memory layout can be changed using vtxLayout.
* \param inTris Pointer to an array of triangle indices. Each triangle is created
* from three indices consecutively fetched from the array.
* \param nTris The number of triangles to render (inTris must contain atleast 3*nTris
* entries)
* \param modelToClipMatrix all vertices will be transformed by this matrix before
* performing projection. If nullptr is passed the transform step will be skipped
* \param bfWinding Sets triangle winding order to consider backfacing, must be one one
* of (BACKFACE_NONE, BACKFACE_CW and BACKFACE_CCW). Back-facing triangles are culled
* and will not be occlusion tested. You may use BACKFACE_NONE to disable culling
* for double sided geometry
* \param clipPlaneMask A mask indicating which clip planes should be considered by the
* triangle clipper. Can be used as an optimization if your application can
* determine (for example during culling) that a group of triangles does not
* intersect a certain frustum plane. However, setting an incorrect mask may
* cause out of bounds memory accesses.
* \param vtxLayout A struct specifying the vertex layout (see struct for detailed
* description). For best performance, it is advisable to store position data
* as compactly in memory as possible.
* \return The query will return VISIBLE if the triangle mesh may be visible, OCCLUDED
* if the mesh is occluded by a previously rendered object, or VIEW_CULLED if all
* triangles are entirely outside the view frustum or backface culled.
*/
virtual CullingResult TestTriangles(const float *inVtx, const unsigned int *inTris, int nTris, const float *modelToClipMatrix = nullptr, BackfaceWinding bfWinding = BACKFACE_CW, ClipPlanes clipPlaneMask = CLIP_PLANE_ALL, const VertexLayout &vtxLayout = VertexLayout(16, 4, 12)) = 0;
/*!
* \brief Perform input assembly, clipping , projection, triangle setup, and write
* triangles to the screen space bins they overlap. This function can be used to
* distribute work for threading (See the CullingThreadpool class for an example)
*
* \param inVtx Pointer to an array of input vertices, should point to the x component
* of the first vertex. The input vertices are given as (x,y,w) coordinates
* in clip space. The memory layout can be changed using vtxLayout.
* \param inTris Pointer to an array of vertex indices. Each triangle is created
* from three indices consecutively fetched from the array.
* \param nTris The number of triangles to render (inTris must contain atleast 3*nTris
* entries)
* \param triLists Pointer to an array of TriList objects with one TriList object per
* bin. If a triangle overlaps a bin, it will be written to the corresponding
* trilist. Note that this method appends the triangles to the current list, to
* start writing from the beginning of the list, set triList.mTriIdx = 0
* \param nBinsW Number of vertical bins, the screen is divided into nBinsW x nBinsH
* rectangular bins.
* \param nBinsH Number of horizontal bins, the screen is divided into nBinsW x nBinsH
* rectangular bins.
* \param modelToClipMatrix all vertices will be transformed by this matrix before
* performing projection. If nullptr is passed the transform step will be skipped
* \param clipPlaneMask A mask indicating which clip planes should be considered by the
* triangle clipper. Can be used as an optimization if your application can
* determine (for example during culling) that a group of triangles does not
* intersect a certain frustum plane. However, setting an incorrect mask may
* cause out of bounds memory accesses.
* \param vtxLayout A struct specifying the vertex layout (see struct for detailed
* description). For best performance, it is advisable to store position data
* as compactly in memory as possible.
* \param bfWinding Sets triangle winding order to consider backfacing, must be one one
* of (BACKFACE_NONE, BACKFACE_CW and BACKFACE_CCW). Back-facing triangles are culled
* and will not be binned / rasterized. You may use BACKFACE_NONE to disable culling
* for double sided geometry
*/
virtual void BinTriangles(const float *inVtx, const unsigned int *inTris, int nTris, TriList *triLists, unsigned int nBinsW, unsigned int nBinsH, const float *modelToClipMatrix = nullptr, BackfaceWinding bfWinding = BACKFACE_CW, ClipPlanes clipPlaneMask = CLIP_PLANE_ALL, const VertexLayout &vtxLayout = VertexLayout(16, 4, 12)) = 0;
/*!
* \brief Renders all occluder triangles in a trilist. This function can be used in
* combination with BinTriangles() to create a threded (binning) rasterizer. The
* bins can be processed independently by different threads without risking writing
* to overlapping memory regions.
*
* \param triLists A triangle list, filled using the BinTriangles() function that is to
* be rendered.
* \param scissor A scissor box limiting the rendering region to the bin. The size of each
* bin must be a multiple of 32x8 pixels due to implementation constraints. For a
* render target with (width, height) resolution and (nBinsW, nBinsH) bins, the
* size of a bin is:
* binWidth = (width / nBinsW) - (width / nBinsW) % 32;
* binHeight = (height / nBinsH) - (height / nBinsH) % 8;
* The last row and column of tiles have a different size:
* lastColBinWidth = width - (nBinsW-1)*binWidth;
* lastRowBinHeight = height - (nBinsH-1)*binHeight;
*/
virtual void RenderTrilist(const TriList &triList, const ScissorRect *scissor) = 0;
/*!
* \brief Creates a per-pixel depth buffer from the hierarchical z buffer representation.
* Intended for visualizing the hierarchical depth buffer for debugging. The
* buffer is written in scanline order, from the top to bottom (D3D) or bottom to
* top (OGL) of the surface. See the USE_D3D define.
*
* \param depthData Pointer to memory where the per-pixel depth data is written. Must
* hold storage for atleast width*height elements as set by setResolution.
*/
virtual void ComputePixelDepthBuffer(float *depthData, bool flipY) = 0;
/*!
* \brief Fetch occlusion culling statistics, returns zeroes if ENABLE_STATS define is
* not defined. The statistics can be used for profiling or debugging.
*/
virtual OcclusionCullingStatistics GetStatistics() = 0;
/*!
* \brief Returns the implementation (CPU instruction set) version of this object.
*/
virtual Implementation GetImplementation() = 0;
/*!
* \brief Utility function for transforming vertices and outputting them to an (x,y,z,w)
* format suitable for the occluder rasterization and occludee testing functions.
*
* \param mtx Pointer to matrix data. The matrix should column major for post
* multiplication (OGL) and row major for pre-multiplication (DX). This is
* consistent with OpenGL / DirectX behavior.
* \param inVtx Pointer to an array of input vertices. The input vertices are given as
* (x,y,z) coordinates. The memory layout can be changed using vtxLayout.
* \param xfVtx Pointer to an array to store transformed vertices. The transformed
* vertices are always stored as array of structs (AoS) (x,y,z,w) packed in memory.
* \param nVtx Number of vertices to transform.
* \param vtxLayout A struct specifying the vertex layout (see struct for detailed
* description). For best performance, it is advisable to store position data
* as compactly in memory as possible. Note that for this function, the
* w-component is assumed to be 1.0.
*/
static void TransformVertices(const float *mtx, const float *inVtx, float *xfVtx, unsigned int nVtx, const VertexLayout &vtxLayout = VertexLayout(12, 4, 8));
/*!
* \brief Get used memory alloc/free callbacks.
*/
void GetAllocFreeCallback( pfnAlignedAlloc & allocCallback, pfnAlignedFree & freeCallback ) { allocCallback = mAlignedAllocCallback, freeCallback = mAlignedFreeCallback; }
#if MOC_RECORDER_ENABLE
/*!
* \brief Start recording subsequent rasterization and testing calls using the FrameRecorder.
* The function calls that are recorded are:
* - ClearBuffer
* - RenderTriangles
* - TestTriangles
* - TestRect
* All inputs and outputs are recorded, which can be used for correctness validation
* and performance testing.
*
* \param outputFilePath Pointer to name of the output file.
* \return 'true' if recording was started successfully, 'false' otherwise (file access error).
*/
bool RecorderStart( const char * outputFilePath ) const;
/*!
* \brief Stop recording, flush output and release used memory.
*/
void RecorderStop( ) const;
/*!
* \brief Manually record triangles. This is called automatically from MaskedOcclusionCulling::RenderTriangles
* if the recording is started, but not from BinTriangles/RenderTrilist (used in multithreaded codepath), in
* which case it has to be called manually.
*
* \param inVtx Pointer to an array of input vertices, should point to the x component
* of the first vertex. The input vertices are given as (x,y,w) coordinates
* in clip space. The memory layout can be changed using vtxLayout.
* \param inTris Pointer to an array of triangle indices. Each triangle is created
* from three indices consecutively fetched from the array.
* \param nTris The number of triangles to render (inTris must contain atleast 3*nTris
* entries)
* \param modelToClipMatrix all vertices will be transformed by this matrix before
* performing projection. If nullptr is passed the transform step will be skipped
* \param bfWinding Sets triangle winding order to consider backfacing, must be one one
* of (BACKFACE_NONE, BACKFACE_CW and BACKFACE_CCW). Back-facing triangles are culled
* and will not be occlusion tested. You may use BACKFACE_NONE to disable culling
* for double sided geometry
* \param clipPlaneMask A mask indicating which clip planes should be considered by the
* triangle clipper. Can be used as an optimization if your application can
* determine (for example during culling) that a group of triangles does not
* intersect a certain frustum plane. However, setting an incorrect mask may
* cause out of bounds memory accesses.
* \param vtxLayout A struct specifying the vertex layout (see struct for detailed
* description). For best performance, it is advisable to store position data
* as compactly in memory as possible.
* \param cullingResult cull result value expected to be returned by executing the
* RenderTriangles call with recorded parameters.
*/
//
// merge the binned data back into original layout; in this case, call it manually from your Threadpool implementation (already added to CullingThreadpool).
// If recording is not enabled, calling this function will do nothing.
void RecordRenderTriangles( const float *inVtx, const unsigned int *inTris, int nTris, const float *modelToClipMatrix = nullptr, ClipPlanes clipPlaneMask = CLIP_PLANE_ALL, BackfaceWinding bfWinding = BACKFACE_CW, const VertexLayout &vtxLayout = VertexLayout( 16, 4, 12 ), CullingResult cullingResult = (CullingResult)-1 );
#endif // #if MOC_RECORDER_ENABLE
protected:
pfnAlignedAlloc mAlignedAllocCallback;
pfnAlignedFree mAlignedFreeCallback;
mutable OcclusionCullingStatistics mStats;
#if MOC_RECORDER_ENABLE
mutable FrameRecorder * mRecorder;
mutable std::mutex mRecorderMutex;
#endif // #if MOC_RECORDER_ENABLE
virtual ~MaskedOcclusionCulling() {}
};
@@ -0,0 +1,243 @@
////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
////////////////////////////////////////////////////////////////////////////////
#include <string.h>
#include <assert.h>
#include <float.h>
#include "MaskedOcclusionCulling.h"
#include "CompilerSpecific.inl"
#if MOC_RECORDER_ENABLE
#include "FrameRecorder.h"
#endif
#if defined(__MICROSOFT_COMPILER) && _MSC_VER < 1900
// If you remove/comment this error, the code will compile & use the SSE41 version instead.
#error Older versions than visual studio 2015 not supported due to compiler bug(s)
#endif
#if !defined(__MICROSOFT_COMPILER) || _MSC_VER >= 1900
// For performance reasons, the MaskedOcclusionCullingAVX2.cpp file should be compiled with VEX encoding for SSE instructions (to avoid
// AVX-SSE transition penalties, see https://software.intel.com/en-us/articles/avoiding-avx-sse-transition-penalties). However, the SSE
// version in MaskedOcclusionCulling.cpp _must_ be compiled without VEX encoding to allow backwards compatibility. Best practice is to
// use lowest supported target platform (e.g. /arch:SSE2) as project default, and elevate only the MaskedOcclusionCullingAVX2/512.cpp files.
#ifndef __AVX2__
#error For best performance, MaskedOcclusionCullingAVX2.cpp should be compiled with /arch:AVX2
#endif
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// AVX specific defines and constants
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#define SIMD_LANES 8
#define TILE_HEIGHT_SHIFT 3
#define SIMD_LANE_IDX _mm256_setr_epi32(0, 1, 2, 3, 4, 5, 6, 7)
#define SIMD_SUB_TILE_COL_OFFSET _mm256_setr_epi32(0, SUB_TILE_WIDTH, SUB_TILE_WIDTH * 2, SUB_TILE_WIDTH * 3, 0, SUB_TILE_WIDTH, SUB_TILE_WIDTH * 2, SUB_TILE_WIDTH * 3)
#define SIMD_SUB_TILE_ROW_OFFSET _mm256_setr_epi32(0, 0, 0, 0, SUB_TILE_HEIGHT, SUB_TILE_HEIGHT, SUB_TILE_HEIGHT, SUB_TILE_HEIGHT)
#define SIMD_SUB_TILE_COL_OFFSET_F _mm256_setr_ps(0, SUB_TILE_WIDTH, SUB_TILE_WIDTH * 2, SUB_TILE_WIDTH * 3, 0, SUB_TILE_WIDTH, SUB_TILE_WIDTH * 2, SUB_TILE_WIDTH * 3)
#define SIMD_SUB_TILE_ROW_OFFSET_F _mm256_setr_ps(0, 0, 0, 0, SUB_TILE_HEIGHT, SUB_TILE_HEIGHT, SUB_TILE_HEIGHT, SUB_TILE_HEIGHT)
#define SIMD_SHUFFLE_SCANLINE_TO_SUBTILES _mm256_setr_epi8(0x0, 0x4, 0x8, 0xC, 0x1, 0x5, 0x9, 0xD, 0x2, 0x6, 0xA, 0xE, 0x3, 0x7, 0xB, 0xF, 0x0, 0x4, 0x8, 0xC, 0x1, 0x5, 0x9, 0xD, 0x2, 0x6, 0xA, 0xE, 0x3, 0x7, 0xB, 0xF)
#define SIMD_LANE_YCOORD_I _mm256_setr_epi32(128, 384, 640, 896, 1152, 1408, 1664, 1920)
#define SIMD_LANE_YCOORD_F _mm256_setr_ps(128.0f, 384.0f, 640.0f, 896.0f, 1152.0f, 1408.0f, 1664.0f, 1920.0f)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// AVX specific typedefs and functions
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
typedef __m256 __mw;
typedef __m256i __mwi;
#define _mmw_set1_ps _mm256_set1_ps
#define _mmw_setzero_ps _mm256_setzero_ps
#define _mmw_and_ps _mm256_and_ps
#define _mmw_or_ps _mm256_or_ps
#define _mmw_xor_ps _mm256_xor_ps
#define _mmw_not_ps(a) _mm256_xor_ps((a), _mm256_castsi256_ps(_mm256_set1_epi32(~0)))
#define _mmw_andnot_ps _mm256_andnot_ps
#define _mmw_neg_ps(a) _mm256_xor_ps((a), _mm256_set1_ps(-0.0f))
#define _mmw_abs_ps(a) _mm256_and_ps((a), _mm256_castsi256_ps(_mm256_set1_epi32(0x7FFFFFFF)))
#define _mmw_add_ps _mm256_add_ps
#define _mmw_sub_ps _mm256_sub_ps
#define _mmw_mul_ps _mm256_mul_ps
#define _mmw_div_ps _mm256_div_ps
#define _mmw_min_ps _mm256_min_ps
#define _mmw_max_ps _mm256_max_ps
#define _mmw_fmadd_ps _mm256_fmadd_ps
#define _mmw_fmsub_ps _mm256_fmsub_ps
#define _mmw_movemask_ps _mm256_movemask_ps
#define _mmw_blendv_ps _mm256_blendv_ps
#define _mmw_cmpge_ps(a,b) _mm256_cmp_ps(a, b, _CMP_GE_OQ)
#define _mmw_cmpgt_ps(a,b) _mm256_cmp_ps(a, b, _CMP_GT_OQ)
#define _mmw_cmpeq_ps(a,b) _mm256_cmp_ps(a, b, _CMP_EQ_OQ)
#define _mmw_floor_ps(x) _mm256_round_ps(x, _MM_FROUND_TO_NEG_INF | _MM_FROUND_NO_EXC)
#define _mmw_ceil_ps(x) _mm256_round_ps(x, _MM_FROUND_TO_POS_INF | _MM_FROUND_NO_EXC)
#define _mmw_shuffle_ps _mm256_shuffle_ps
#define _mmw_insertf32x4_ps _mm256_insertf128_ps
#define _mmw_cvtepi32_ps _mm256_cvtepi32_ps
#define _mmw_blendv_epi32(a,b,c) simd_cast<__mwi>(_mmw_blendv_ps(simd_cast<__mw>(a), simd_cast<__mw>(b), simd_cast<__mw>(c)))
#define _mmw_set1_epi32 _mm256_set1_epi32
#define _mmw_setzero_epi32 _mm256_setzero_si256
#define _mmw_and_epi32 _mm256_and_si256
#define _mmw_or_epi32 _mm256_or_si256
#define _mmw_xor_epi32 _mm256_xor_si256
#define _mmw_not_epi32(a) _mm256_xor_si256((a), _mm256_set1_epi32(~0))
#define _mmw_andnot_epi32 _mm256_andnot_si256
#define _mmw_neg_epi32(a) _mm256_sub_epi32(_mm256_set1_epi32(0), (a))
#define _mmw_add_epi32 _mm256_add_epi32
#define _mmw_sub_epi32 _mm256_sub_epi32
#define _mmw_min_epi32 _mm256_min_epi32
#define _mmw_max_epi32 _mm256_max_epi32
#define _mmw_subs_epu16 _mm256_subs_epu16
#define _mmw_mullo_epi32 _mm256_mullo_epi32
#define _mmw_cmpeq_epi32 _mm256_cmpeq_epi32
#define _mmw_testz_epi32 _mm256_testz_si256
#define _mmw_cmpgt_epi32 _mm256_cmpgt_epi32
#define _mmw_srai_epi32 _mm256_srai_epi32
#define _mmw_srli_epi32 _mm256_srli_epi32
#define _mmw_slli_epi32 _mm256_slli_epi32
#define _mmw_sllv_ones(x) _mm256_sllv_epi32(SIMD_BITS_ONE, x)
#define _mmw_transpose_epi8(x) _mm256_shuffle_epi8(x, SIMD_SHUFFLE_SCANLINE_TO_SUBTILES)
#define _mmw_abs_epi32 _mm256_abs_epi32
#define _mmw_cvtps_epi32 _mm256_cvtps_epi32
#define _mmw_cvttps_epi32 _mm256_cvttps_epi32
#define _mmx_dp4_ps(a, b) _mm_dp_ps(a, b, 0xFF)
#define _mmx_fmadd_ps _mm_fmadd_ps
#define _mmx_max_epi32 _mm_max_epi32
#define _mmx_min_epi32 _mm_min_epi32
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// SIMD casting functions
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
template<typename T, typename Y> FORCE_INLINE T simd_cast(Y A);
template<> FORCE_INLINE __m128 simd_cast<__m128>(float A) { return _mm_set1_ps(A); }
template<> FORCE_INLINE __m128 simd_cast<__m128>(__m128i A) { return _mm_castsi128_ps(A); }
template<> FORCE_INLINE __m128 simd_cast<__m128>(__m128 A) { return A; }
template<> FORCE_INLINE __m128i simd_cast<__m128i>(int A) { return _mm_set1_epi32(A); }
template<> FORCE_INLINE __m128i simd_cast<__m128i>(__m128 A) { return _mm_castps_si128(A); }
template<> FORCE_INLINE __m128i simd_cast<__m128i>(__m128i A) { return A; }
template<> FORCE_INLINE __m256 simd_cast<__m256>(float A) { return _mm256_set1_ps(A); }
template<> FORCE_INLINE __m256 simd_cast<__m256>(__m256i A) { return _mm256_castsi256_ps(A); }
template<> FORCE_INLINE __m256 simd_cast<__m256>(__m256 A) { return A; }
template<> FORCE_INLINE __m256i simd_cast<__m256i>(int A) { return _mm256_set1_epi32(A); }
template<> FORCE_INLINE __m256i simd_cast<__m256i>(__m256 A) { return _mm256_castps_si256(A); }
template<> FORCE_INLINE __m256i simd_cast<__m256i>(__m256i A) { return A; }
#define MAKE_ACCESSOR(name, simd_type, base_type, is_const, elements) \
FORCE_INLINE is_const base_type * name(is_const simd_type &a) { \
union accessor { simd_type m_native; base_type m_array[elements]; }; \
is_const accessor *acs = reinterpret_cast<is_const accessor*>(&a); \
return acs->m_array; \
}
MAKE_ACCESSOR(simd_f32, __m128, float, , 4)
MAKE_ACCESSOR(simd_f32, __m128, float, const, 4)
MAKE_ACCESSOR(simd_i32, __m128i, int, , 4)
MAKE_ACCESSOR(simd_i32, __m128i, int, const, 4)
MAKE_ACCESSOR(simd_f32, __m256, float, , 8)
MAKE_ACCESSOR(simd_f32, __m256, float, const, 8)
MAKE_ACCESSOR(simd_i32, __m256i, int, , 8)
MAKE_ACCESSOR(simd_i32, __m256i, int, const, 8)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Specialized AVX input assembly function for general vertex gather
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
typedef MaskedOcclusionCulling::VertexLayout VertexLayout;
FORCE_INLINE void GatherVertices(__m256 *vtxX, __m256 *vtxY, __m256 *vtxW, const float *inVtx, const unsigned int *inTrisPtr, int numLanes, const VertexLayout &vtxLayout)
{
assert(numLanes >= 1);
const __m256i SIMD_TRI_IDX_OFFSET = _mm256_setr_epi32(0, 3, 6, 9, 12, 15, 18, 21);
static const __m256i SIMD_LANE_MASK[9] = {
_mm256_setr_epi32( 0, 0, 0, 0, 0, 0, 0, 0),
_mm256_setr_epi32(~0, 0, 0, 0, 0, 0, 0, 0),
_mm256_setr_epi32(~0, ~0, 0, 0, 0, 0, 0, 0),
_mm256_setr_epi32(~0, ~0, ~0, 0, 0, 0, 0, 0),
_mm256_setr_epi32(~0, ~0, ~0, ~0, 0, 0, 0, 0),
_mm256_setr_epi32(~0, ~0, ~0, ~0, ~0, 0, 0, 0),
_mm256_setr_epi32(~0, ~0, ~0, ~0, ~0, ~0, 0, 0),
_mm256_setr_epi32(~0, ~0, ~0, ~0, ~0, ~0, ~0, 0),
_mm256_setr_epi32(~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0)
};
// Compute per-lane index list offset that guards against out of bounds memory accesses
__m256i safeTriIdxOffset = _mm256_and_si256(SIMD_TRI_IDX_OFFSET, SIMD_LANE_MASK[numLanes]);
// Fetch triangle indices.
__m256i vtxIdx[3];
vtxIdx[0] = _mmw_mullo_epi32(_mm256_i32gather_epi32((const int*)inTrisPtr + 0, safeTriIdxOffset, 4), _mmw_set1_epi32(vtxLayout.mStride));
vtxIdx[1] = _mmw_mullo_epi32(_mm256_i32gather_epi32((const int*)inTrisPtr + 1, safeTriIdxOffset, 4), _mmw_set1_epi32(vtxLayout.mStride));
vtxIdx[2] = _mmw_mullo_epi32(_mm256_i32gather_epi32((const int*)inTrisPtr + 2, safeTriIdxOffset, 4), _mmw_set1_epi32(vtxLayout.mStride));
char *vPtr = (char *)inVtx;
// Fetch triangle vertices
for (int i = 0; i < 3; i++)
{
vtxX[i] = _mm256_i32gather_ps((float *)vPtr, vtxIdx[i], 1);
vtxY[i] = _mm256_i32gather_ps((float *)(vPtr + vtxLayout.mOffsetY), vtxIdx[i], 1);
vtxW[i] = _mm256_i32gather_ps((float *)(vPtr + vtxLayout.mOffsetW), vtxIdx[i], 1);
}
}
namespace MaskedOcclusionCullingAVX2
{
static MaskedOcclusionCulling::Implementation gInstructionSet = MaskedOcclusionCulling::AVX2;
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Include common algorithm implementation (general, SIMD independent code)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#include "MaskedOcclusionCullingCommon.inl"
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Utility function to create a new object using the allocator callbacks
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
typedef MaskedOcclusionCulling::pfnAlignedAlloc pfnAlignedAlloc;
typedef MaskedOcclusionCulling::pfnAlignedFree pfnAlignedFree;
MaskedOcclusionCulling *CreateMaskedOcclusionCulling(pfnAlignedAlloc alignedAlloc, pfnAlignedFree alignedFree)
{
MaskedOcclusionCullingPrivate *object = (MaskedOcclusionCullingPrivate *)alignedAlloc(64, sizeof(MaskedOcclusionCullingPrivate));
new (object) MaskedOcclusionCullingPrivate(alignedAlloc, alignedFree);
return object;
}
};
#else
namespace MaskedOcclusionCullingAVX2
{
typedef MaskedOcclusionCulling::pfnAlignedAlloc pfnAlignedAlloc;
typedef MaskedOcclusionCulling::pfnAlignedFree pfnAlignedFree;
MaskedOcclusionCulling *CreateMaskedOcclusionCulling(pfnAlignedAlloc alignedAlloc, pfnAlignedFree alignedFree)
{
return nullptr;
}
};
#endif
@@ -0,0 +1,309 @@
////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
////////////////////////////////////////////////////////////////////////////////
#include <string.h>
#include <assert.h>
#include <float.h>
#include "MaskedOcclusionCulling.h"
#include "CompilerSpecific.inl"
#if MOC_RECORDER_ENABLE
#include "FrameRecorder.h"
#endif
// Make sure compiler supports AVX-512 intrinsics: Visual Studio 2017 (Update 3) || Intel C++ Compiler 16.0 || Clang 4.0 || GCC 5.0
#if USE_AVX512 != 0 && ((defined(_MSC_VER) && _MSC_VER >= 1911) || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1600) || (defined(__clang__) && __clang_major__ >= 4) || (defined(__GNUC__) && __GNUC__ >= 5))
// The MaskedOcclusionCullingAVX512.cpp file should be compiled avx2/avx512 architecture options turned on in the compiler. However, the SSE
// version in MaskedOcclusionCulling.cpp _must_ be compiled with SSE2 architecture allow backwards compatibility. Best practice is to
// use lowest supported target platform (e.g. /arch:SSE2) as project default, and elevate only the MaskedOcclusionCullingAVX2/512.cpp files.
#ifndef __AVX2__
#error For best performance, MaskedOcclusionCullingAVX512.cpp should be compiled with /arch:AVX2
#endif
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// AVX specific defines and constants
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#define SIMD_LANES 16
#define TILE_HEIGHT_SHIFT 4
#define SIMD_LANE_IDX _mm512_setr_epi32(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
#define SIMD_SUB_TILE_COL_OFFSET _mm512_setr_epi32(0, SUB_TILE_WIDTH, SUB_TILE_WIDTH * 2, SUB_TILE_WIDTH * 3, 0, SUB_TILE_WIDTH, SUB_TILE_WIDTH * 2, SUB_TILE_WIDTH * 3, 0, SUB_TILE_WIDTH, SUB_TILE_WIDTH * 2, SUB_TILE_WIDTH * 3, 0, SUB_TILE_WIDTH, SUB_TILE_WIDTH * 2, SUB_TILE_WIDTH * 3)
#define SIMD_SUB_TILE_ROW_OFFSET _mm512_setr_epi32(0, 0, 0, 0, SUB_TILE_HEIGHT, SUB_TILE_HEIGHT, SUB_TILE_HEIGHT, SUB_TILE_HEIGHT, SUB_TILE_HEIGHT * 2, SUB_TILE_HEIGHT * 2, SUB_TILE_HEIGHT * 2, SUB_TILE_HEIGHT * 2, SUB_TILE_HEIGHT * 3, SUB_TILE_HEIGHT * 3, SUB_TILE_HEIGHT * 3, SUB_TILE_HEIGHT * 3)
#define SIMD_SUB_TILE_COL_OFFSET_F _mm512_setr_ps(0, SUB_TILE_WIDTH, SUB_TILE_WIDTH * 2, SUB_TILE_WIDTH * 3, 0, SUB_TILE_WIDTH, SUB_TILE_WIDTH * 2, SUB_TILE_WIDTH * 3, 0, SUB_TILE_WIDTH, SUB_TILE_WIDTH * 2, SUB_TILE_WIDTH * 3, 0, SUB_TILE_WIDTH, SUB_TILE_WIDTH * 2, SUB_TILE_WIDTH * 3)
#define SIMD_SUB_TILE_ROW_OFFSET_F _mm512_setr_ps(0, 0, 0, 0, SUB_TILE_HEIGHT, SUB_TILE_HEIGHT, SUB_TILE_HEIGHT, SUB_TILE_HEIGHT, SUB_TILE_HEIGHT * 2, SUB_TILE_HEIGHT * 2, SUB_TILE_HEIGHT * 2, SUB_TILE_HEIGHT * 2, SUB_TILE_HEIGHT * 3, SUB_TILE_HEIGHT * 3, SUB_TILE_HEIGHT * 3, SUB_TILE_HEIGHT * 3)
#define SIMD_SHUFFLE_SCANLINE_TO_SUBTILES _mm512_set_epi32(0x0F0B0703, 0x0E0A0602, 0x0D090501, 0x0C080400, 0x0F0B0703, 0x0E0A0602, 0x0D090501, 0x0C080400, 0x0F0B0703, 0x0E0A0602, 0x0D090501, 0x0C080400, 0x0F0B0703, 0x0E0A0602, 0x0D090501, 0x0C080400)
#define SIMD_LANE_YCOORD_I _mm512_setr_epi32(128, 384, 640, 896, 1152, 1408, 1664, 1920, 2176, 2432, 2688, 2944, 3200, 3456, 3712, 3968)
#define SIMD_LANE_YCOORD_F _mm512_setr_ps(128.0f, 384.0f, 640.0f, 896.0f, 1152.0f, 1408.0f, 1664.0f, 1920.0f, 2176.0f, 2432.0f, 2688.0f, 2944.0f, 3200.0f, 3456.0f, 3712.0f, 3968.0f)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// AVX specific typedefs and functions
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
typedef __m512 __mw;
typedef __m512i __mwi;
#define _mmw_set1_ps _mm512_set1_ps
#define _mmw_setzero_ps _mm512_setzero_ps
#define _mmw_and_ps _mm512_and_ps
#define _mmw_or_ps _mm512_or_ps
#define _mmw_xor_ps _mm512_xor_ps
#define _mmw_not_ps(a) _mm512_xor_ps((a), _mm512_castsi512_ps(_mm512_set1_epi32(~0)))
#define _mmw_andnot_ps _mm512_andnot_ps
#define _mmw_neg_ps(a) _mm512_xor_ps((a), _mm512_set1_ps(-0.0f))
#define _mmw_abs_ps(a) _mm512_and_ps((a), _mm512_castsi512_ps(_mm512_set1_epi32(0x7FFFFFFF)))
#define _mmw_add_ps _mm512_add_ps
#define _mmw_sub_ps _mm512_sub_ps
#define _mmw_mul_ps _mm512_mul_ps
#define _mmw_div_ps _mm512_div_ps
#define _mmw_min_ps _mm512_min_ps
#define _mmw_max_ps _mm512_max_ps
#define _mmw_fmadd_ps _mm512_fmadd_ps
#define _mmw_fmsub_ps _mm512_fmsub_ps
#define _mmw_shuffle_ps _mm512_shuffle_ps
#define _mmw_insertf32x4_ps _mm512_insertf32x4
#define _mmw_cvtepi32_ps _mm512_cvtepi32_ps
#define _mmw_blendv_epi32(a,b,c) simd_cast<__mwi>(_mmw_blendv_ps(simd_cast<__mw>(a), simd_cast<__mw>(b), simd_cast<__mw>(c)))
#define _mmw_set1_epi32 _mm512_set1_epi32
#define _mmw_setzero_epi32 _mm512_setzero_si512
#define _mmw_and_epi32 _mm512_and_si512
#define _mmw_or_epi32 _mm512_or_si512
#define _mmw_xor_epi32 _mm512_xor_si512
#define _mmw_not_epi32(a) _mm512_xor_si512((a), _mm512_set1_epi32(~0))
#define _mmw_andnot_epi32 _mm512_andnot_si512
#define _mmw_neg_epi32(a) _mm512_sub_epi32(_mm512_set1_epi32(0), (a))
#define _mmw_add_epi32 _mm512_add_epi32
#define _mmw_sub_epi32 _mm512_sub_epi32
#define _mmw_min_epi32 _mm512_min_epi32
#define _mmw_max_epi32 _mm512_max_epi32
#define _mmw_subs_epu16 _mm512_subs_epu16
#define _mmw_mullo_epi32 _mm512_mullo_epi32
#define _mmw_srai_epi32 _mm512_srai_epi32
#define _mmw_srli_epi32 _mm512_srli_epi32
#define _mmw_slli_epi32 _mm512_slli_epi32
#define _mmw_sllv_ones(x) _mm512_sllv_epi32(SIMD_BITS_ONE, x)
#define _mmw_transpose_epi8(x) _mm512_shuffle_epi8(x, SIMD_SHUFFLE_SCANLINE_TO_SUBTILES)
#define _mmw_abs_epi32 _mm512_abs_epi32
#define _mmw_cvtps_epi32 _mm512_cvtps_epi32
#define _mmw_cvttps_epi32 _mm512_cvttps_epi32
#define _mmx_dp4_ps(a, b) _mm_dp_ps(a, b, 0xFF)
#define _mmx_fmadd_ps _mm_fmadd_ps
#define _mmx_max_epi32 _mm_max_epi32
#define _mmx_min_epi32 _mm_min_epi32
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// SIMD casting functions
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
template<typename T, typename Y> FORCE_INLINE T simd_cast(Y A);
template<> FORCE_INLINE __m128 simd_cast<__m128>(float A) { return _mm_set1_ps(A); }
template<> FORCE_INLINE __m128 simd_cast<__m128>(__m128i A) { return _mm_castsi128_ps(A); }
template<> FORCE_INLINE __m128 simd_cast<__m128>(__m128 A) { return A; }
template<> FORCE_INLINE __m128i simd_cast<__m128i>(int A) { return _mm_set1_epi32(A); }
template<> FORCE_INLINE __m128i simd_cast<__m128i>(__m128 A) { return _mm_castps_si128(A); }
template<> FORCE_INLINE __m128i simd_cast<__m128i>(__m128i A) { return A; }
template<> FORCE_INLINE __m256 simd_cast<__m256>(float A) { return _mm256_set1_ps(A); }
template<> FORCE_INLINE __m256 simd_cast<__m256>(__m256i A) { return _mm256_castsi256_ps(A); }
template<> FORCE_INLINE __m256 simd_cast<__m256>(__m256 A) { return A; }
template<> FORCE_INLINE __m256i simd_cast<__m256i>(int A) { return _mm256_set1_epi32(A); }
template<> FORCE_INLINE __m256i simd_cast<__m256i>(__m256 A) { return _mm256_castps_si256(A); }
template<> FORCE_INLINE __m256i simd_cast<__m256i>(__m256i A) { return A; }
template<> FORCE_INLINE __m512 simd_cast<__m512>(float A) { return _mm512_set1_ps(A); }
template<> FORCE_INLINE __m512 simd_cast<__m512>(__m512i A) { return _mm512_castsi512_ps(A); }
template<> FORCE_INLINE __m512 simd_cast<__m512>(__m512 A) { return A; }
template<> FORCE_INLINE __m512i simd_cast<__m512i>(int A) { return _mm512_set1_epi32(A); }
template<> FORCE_INLINE __m512i simd_cast<__m512i>(__m512 A) { return _mm512_castps_si512(A); }
template<> FORCE_INLINE __m512i simd_cast<__m512i>(__m512i A) { return A; }
#define MAKE_ACCESSOR(name, simd_type, base_type, is_const, elements) \
FORCE_INLINE is_const base_type * name(is_const simd_type &a) { \
union accessor { simd_type m_native; base_type m_array[elements]; }; \
is_const accessor *acs = reinterpret_cast<is_const accessor*>(&a); \
return acs->m_array; \
}
MAKE_ACCESSOR(simd_f32, __m128, float, , 4)
MAKE_ACCESSOR(simd_f32, __m128, float, const, 4)
MAKE_ACCESSOR(simd_i32, __m128i, int, , 4)
MAKE_ACCESSOR(simd_i32, __m128i, int, const, 4)
MAKE_ACCESSOR(simd_f32, __m256, float, , 8)
MAKE_ACCESSOR(simd_f32, __m256, float, const, 8)
MAKE_ACCESSOR(simd_i32, __m256i, int, , 8)
MAKE_ACCESSOR(simd_i32, __m256i, int, const, 8)
MAKE_ACCESSOR(simd_f32, __m512, float, , 16)
MAKE_ACCESSOR(simd_f32, __m512, float, const, 16)
MAKE_ACCESSOR(simd_i32, __m512i, int, , 16)
MAKE_ACCESSOR(simd_i32, __m512i, int, const, 16)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Specialized AVX input assembly function for general vertex gather
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
typedef MaskedOcclusionCulling::VertexLayout VertexLayout;
FORCE_INLINE void GatherVertices(__m512 *vtxX, __m512 *vtxY, __m512 *vtxW, const float *inVtx, const unsigned int *inTrisPtr, int numLanes, const VertexLayout &vtxLayout)
{
assert(numLanes >= 1);
const __m512i SIMD_TRI_IDX_OFFSET = _mm512_setr_epi32(0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45);
static const __m512i SIMD_LANE_MASK[17] = {
_mm512_setr_epi32( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
_mm512_setr_epi32(~0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
_mm512_setr_epi32(~0, ~0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
_mm512_setr_epi32(~0, ~0, ~0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
_mm512_setr_epi32(~0, ~0, ~0, ~0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
_mm512_setr_epi32(~0, ~0, ~0, ~0, ~0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
_mm512_setr_epi32(~0, ~0, ~0, ~0, ~0, ~0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
_mm512_setr_epi32(~0, ~0, ~0, ~0, ~0, ~0, ~0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
_mm512_setr_epi32(~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, 0, 0, 0, 0, 0, 0, 0, 0),
_mm512_setr_epi32(~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, 0, 0, 0, 0, 0, 0, 0),
_mm512_setr_epi32(~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, 0, 0, 0, 0, 0, 0),
_mm512_setr_epi32(~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, 0, 0, 0, 0, 0),
_mm512_setr_epi32(~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, 0, 0, 0, 0),
_mm512_setr_epi32(~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, 0, 0, 0),
_mm512_setr_epi32(~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, 0, 0),
_mm512_setr_epi32(~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, 0),
_mm512_setr_epi32(~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0)
};
// Compute per-lane index list offset that guards against out of bounds memory accesses
__m512i safeTriIdxOffset = _mm512_and_si512(SIMD_TRI_IDX_OFFSET, SIMD_LANE_MASK[numLanes]);
// Fetch triangle indices.
__m512i vtxIdx[3];
vtxIdx[0] = _mmw_mullo_epi32(_mm512_i32gather_epi32(safeTriIdxOffset, (const int*)inTrisPtr + 0, 4), _mmw_set1_epi32(vtxLayout.mStride));
vtxIdx[1] = _mmw_mullo_epi32(_mm512_i32gather_epi32(safeTriIdxOffset, (const int*)inTrisPtr + 1, 4), _mmw_set1_epi32(vtxLayout.mStride));
vtxIdx[2] = _mmw_mullo_epi32(_mm512_i32gather_epi32(safeTriIdxOffset, (const int*)inTrisPtr + 2, 4), _mmw_set1_epi32(vtxLayout.mStride));
char *vPtr = (char *)inVtx;
// Fetch triangle vertices
for (int i = 0; i < 3; i++)
{
vtxX[i] = _mm512_i32gather_ps(vtxIdx[i], (float *)vPtr, 1);
vtxY[i] = _mm512_i32gather_ps(vtxIdx[i], (float *)(vPtr + vtxLayout.mOffsetY), 1);
vtxW[i] = _mm512_i32gather_ps(vtxIdx[i], (float *)(vPtr + vtxLayout.mOffsetW), 1);
}
}
namespace MaskedOcclusionCullingAVX512
{
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Poorly implemented functions. TODO: fix common (maskedOcclusionCullingCommon.inl) code to improve perf
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
FORCE_INLINE __m512 _mmw_floor_ps(__m512 x)
{
return _mm512_roundscale_ps(x, 1); // 1 = floor
}
FORCE_INLINE __m512 _mmw_ceil_ps(__m512 x)
{
return _mm512_roundscale_ps(x, 2); // 2 = ceil
}
FORCE_INLINE __m512i _mmw_cmpeq_epi32(__m512i a, __m512i b)
{
__mmask16 mask = _mm512_cmpeq_epi32_mask(a, b);
return _mm512_mask_mov_epi32(_mm512_set1_epi32(0), mask, _mm512_set1_epi32(~0));
}
FORCE_INLINE __m512i _mmw_cmpgt_epi32(__m512i a, __m512i b)
{
__mmask16 mask = _mm512_cmpgt_epi32_mask(a, b);
return _mm512_mask_mov_epi32(_mm512_set1_epi32(0), mask, _mm512_set1_epi32(~0));
}
FORCE_INLINE bool _mmw_testz_epi32(__m512i a, __m512i b)
{
__mmask16 mask = _mm512_cmpeq_epi32_mask(_mm512_and_si512(a, b), _mm512_set1_epi32(0));
return mask == 0xFFFF;
}
FORCE_INLINE __m512 _mmw_cmpge_ps(__m512 a, __m512 b)
{
__mmask16 mask = _mm512_cmp_ps_mask(a, b, _CMP_GE_OQ);
return _mm512_castsi512_ps(_mm512_mask_mov_epi32(_mm512_set1_epi32(0), mask, _mm512_set1_epi32(~0)));
}
FORCE_INLINE __m512 _mmw_cmpgt_ps(__m512 a, __m512 b)
{
__mmask16 mask = _mm512_cmp_ps_mask(a, b, _CMP_GT_OQ);
return _mm512_castsi512_ps(_mm512_mask_mov_epi32(_mm512_set1_epi32(0), mask, _mm512_set1_epi32(~0)));
}
FORCE_INLINE __m512 _mmw_cmpeq_ps(__m512 a, __m512 b)
{
__mmask16 mask = _mm512_cmp_ps_mask(a, b, _CMP_EQ_OQ);
return _mm512_castsi512_ps(_mm512_mask_mov_epi32(_mm512_set1_epi32(0), mask, _mm512_set1_epi32(~0)));
}
FORCE_INLINE __mmask16 _mmw_movemask_ps(const __m512 &a)
{
__mmask16 mask = _mm512_cmp_epi32_mask(_mm512_and_si512(_mm512_castps_si512(a), _mm512_set1_epi32(0x80000000)), _mm512_set1_epi32(0), 4); // a & 0x8000000 != 0
return mask;
}
FORCE_INLINE __m512 _mmw_blendv_ps(const __m512 &a, const __m512 &b, const __m512 &c)
{
__mmask16 mask = _mmw_movemask_ps(c);
return _mm512_mask_mov_ps(a, mask, b);
}
static MaskedOcclusionCulling::Implementation gInstructionSet = MaskedOcclusionCulling::AVX512;
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Include common algorithm implementation (general, SIMD independent code)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#include "MaskedOcclusionCullingCommon.inl"
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Utility function to create a new object using the allocator callbacks
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
typedef MaskedOcclusionCulling::pfnAlignedAlloc pfnAlignedAlloc;
typedef MaskedOcclusionCulling::pfnAlignedFree pfnAlignedFree;
MaskedOcclusionCulling *CreateMaskedOcclusionCulling(pfnAlignedAlloc alignedAlloc, pfnAlignedFree alignedFree)
{
MaskedOcclusionCullingPrivate *object = (MaskedOcclusionCullingPrivate *)alignedAlloc(64, sizeof(MaskedOcclusionCullingPrivate));
new (object) MaskedOcclusionCullingPrivate(alignedAlloc, alignedFree);
return object;
}
};
#else
namespace MaskedOcclusionCullingAVX512
{
typedef MaskedOcclusionCulling::pfnAlignedAlloc pfnAlignedAlloc;
typedef MaskedOcclusionCulling::pfnAlignedFree pfnAlignedFree;
MaskedOcclusionCulling *CreateMaskedOcclusionCulling(pfnAlignedAlloc alignedAlloc, pfnAlignedFree alignedFree)
{
return nullptr;
}
};
#endif
@@ -102,6 +102,7 @@ idCVar r_skipRenderContext( "r_skipRenderContext", "0", CVAR_RENDERER | CVAR_BOO
idCVar r_skipTranslucent( "r_skipTranslucent", "0", CVAR_RENDERER | CVAR_BOOL, "skip the translucent interaction rendering" );
idCVar r_skipAmbient( "r_skipAmbient", "0", CVAR_RENDERER | CVAR_BOOL, "bypasses all non-interaction drawing" );
idCVar r_skipNewAmbient( "r_skipNewAmbient", "0", CVAR_RENDERER | CVAR_BOOL | CVAR_ARCHIVE, "bypasses all vertex/fragment program ambient drawing" );
idCVar r_skipTerrain( "r_skipTerrain", "0", CVAR_RENDERER | CVAR_BOOL, "bypasses render-world terrain drawing" );
idCVar r_skipBlendLights( "r_skipBlendLights", "0", CVAR_RENDERER | CVAR_BOOL, "skip all blend lights" );
idCVar r_skipFogLights( "r_skipFogLights", "0", CVAR_RENDERER | CVAR_BOOL, "skip all fog lights" );
idCVar r_skipDeforms( "r_skipDeforms", "0", CVAR_RENDERER | CVAR_BOOL, "leave all deform materials in their original state" );
+1
View File
@@ -113,6 +113,7 @@ idRenderWorldLocal::idRenderWorldLocal
idRenderWorldLocal::idRenderWorldLocal(dxrWorldId_t dxrWorldId) {
mapName.Clear();
mapTimeStamp = FILE_NOT_FOUND_TIMESTAMP;
terrainTimeStamp = FILE_NOT_FOUND_TIMESTAMP;
this->dxrWorldId = tr.dxrWorldHandles[dxrWorldId];
+7 -1
View File
@@ -46,6 +46,7 @@ void idRenderWorldLocal::FreeWorld() {
// A map reload is a hard boundary for path-tracing state. Clear any
// persistent lights / temporal history before replacing proc geometry.
glRaytracingLightingClearLights(true);
ClearWorldTerrain();
// Delete proc-created DXR meshes before clearing the scene, so the ray
// tracing layer can invalidate any instances that still reference them.
@@ -932,13 +933,17 @@ bool idRenderWorldLocal::InitFromMap( const char *name ) {
// and try to skip all the work
ID_TIME_T currentTimeStamp;
fileSystem->ReadFile( filename, NULL, &currentTimeStamp );
idStr terrainFileName = idTerrainModel::FileNameForMap( name );
ID_TIME_T currentTerrainTimeStamp;
fileSystem->ReadFile( terrainFileName, NULL, &currentTerrainTimeStamp );
if ( name == mapName ) {
if ( currentTimeStamp != FILE_NOT_FOUND_TIMESTAMP && currentTimeStamp == mapTimeStamp ) {
if ( currentTimeStamp != FILE_NOT_FOUND_TIMESTAMP && currentTimeStamp == mapTimeStamp && currentTerrainTimeStamp == terrainTimeStamp ) {
common->Printf( "idRenderWorldLocal::InitFromMap: retaining existing map\n" );
glRaytracingLightingClearLights(true);
FreeDefs();
TouchWorldModels();
TouchWorldTerrainMaterials();
LoadWorldDecals();
AddWorldModelEntities();
ClearPortalStates();
@@ -960,6 +965,7 @@ bool idRenderWorldLocal::InitFromMap( const char *name ) {
mapName = name;
mapTimeStamp = currentTimeStamp;
LoadWorldDecals();
LoadWorldTerrain();
// if we are writing a demo, archive the load command
if ( session->writeDemo ) {
+7
View File
@@ -29,6 +29,8 @@ If you have questions concerning this license or the applicable additional terms
#ifndef __RENDERWORLDLOCAL_H__
#define __RENDERWORLDLOCAL_H__
#include "../models/TerrainModel.h"
// assume any lightDef or entityDef index above this is an internal error
const int LUDICROUS_INDEX = 10000;
@@ -153,6 +155,7 @@ public:
idStr mapName; // ie: maps/tim_dm2.proc, written to demoFile
ID_TIME_T mapTimeStamp; // for fast reloads of the same level
ID_TIME_T terrainTimeStamp;
areaNode_t * areaNodes;
int numAreaNodes;
@@ -183,6 +186,7 @@ public:
idList<idRenderModel *> localModels;
idList<renderWorldDecal_t> worldDecals;
idTerrainModel terrainModel;
idList<idRenderEntityLocal*> entityDefs;
idList<idRenderLightLocal*> lightDefs;
@@ -204,6 +208,9 @@ public:
void ClearWorld();
void FreeDefs();
void TouchWorldModels( void );
void ClearWorldTerrain();
void LoadWorldTerrain();
void TouchWorldTerrainMaterials();
void AddWorldModelEntities();
void ClearPortalStates();
void LoadWorldDecals();
@@ -0,0 +1,86 @@
/*
===========================================================================
Render-world terrain loading
===========================================================================
*/
#include "precompiled.h"
#pragma hdrstop
#include "tr_local.h"
static idStr R_WorldTerrainFileName( const char *mapName ) {
return idTerrainModel::FileNameForMap( mapName );
}
void idRenderWorldLocal::ClearWorldTerrain() {
for ( int i = 0; i < terrainModel.NumTerrains(); i++ ) {
idTerrainPatch *terrain = terrainModel.Terrain( i );
if ( terrain && terrain->paintTexture != 0 ) {
GLuint texture = terrain->paintTexture;
glDeleteTextures( 1, &texture );
terrain->paintTexture = 0;
}
}
terrainModel.Clear();
terrainTimeStamp = FILE_NOT_FOUND_TIMESTAMP;
}
void idRenderWorldLocal::TouchWorldTerrainMaterials() {
for ( int i = 0; i < terrainModel.NumTerrains(); i++ ) {
idTerrainPatch *terrain = terrainModel.Terrain( i );
if ( !terrain ) {
continue;
}
terrain->EnsureLayerData( "textures/common/caulk" );
for ( int layer = 0; layer < TERRAIN_MAX_LAYERS; layer++ ) {
if ( terrain->layerMaterials[layer].IsEmpty() ) {
continue;
}
const idMaterial *material = declManager->FindMaterial( terrain->layerMaterials[layer].c_str(), false );
if ( material && !material->TestMaterialFlag( MF_DEFAULTED ) ) {
const_cast<idMaterial *>( material )->AddReference();
material->GetDiffuseImage( NULL );
material->GetBumpStage();
}
}
}
}
void idRenderWorldLocal::LoadWorldTerrain() {
ClearWorldTerrain();
if ( mapName.IsEmpty() ) {
return;
}
idStr filename = R_WorldTerrainFileName( mapName.c_str() );
fileSystem->ReadFile( filename, NULL, &terrainTimeStamp );
if ( terrainTimeStamp == FILE_NOT_FOUND_TIMESTAMP ) {
return;
}
if ( !terrainModel.LoadFile( filename.c_str(), "textures/common/caulk" ) ) {
common->Warning( "idRenderWorldLocal::LoadWorldTerrain: failed to load %s", filename.c_str() );
ClearWorldTerrain();
return;
}
for ( int i = 0; i < terrainModel.NumTerrains(); i++ ) {
idTerrainPatch *terrain = terrainModel.Terrain( i );
if ( !terrain ) {
continue;
}
terrain->paintTexture = 0;
terrain->EnsureLayerData( "textures/common/caulk" );
terrain->MarkPaintTextureDirty();
terrain->UpdateBounds();
}
TouchWorldTerrainMaterials();
common->Printf( "loaded %i terrain patch%s from %s\n",
terrainModel.NumTerrains(),
terrainModel.NumTerrains() == 1 ? "" : "es",
filename.c_str() );
}
+122 -1
View File
@@ -788,6 +788,93 @@ void RB_SetProgramEnvironmentSpace( void ) {
glProgramEnvParameter4fvARB( GL_VERTEX_PROGRAM_ARB, 8, parm );
}
static bool RB_IsTerrainBlendMaterialName( const char *name ) {
if ( !name || !name[0] ) {
return false;
}
return idStr::Icmpn( name, "terrainBlend/", sizeof( "terrainBlend/" ) - 1 ) == 0 ||
idStr::Icmpn( name, "textures/terrain_blend/", sizeof( "textures/terrain_blend/" ) - 1 ) == 0;
}
static bool RB_SurfaceUsesTerrainBlend( const drawSurf_t *surf ) {
if ( !surf || !surf->material ) {
return false;
}
if ( surf->dsFlags & DSF_TERRAIN_BLEND ) {
return true;
}
return RB_IsTerrainBlendMaterialName( surf->material->GetName() );
}
static const shaderStage_t *RB_FindTerrainBlendStages( const drawSurf_t *surf, const float *regs, idImage **layerImages, idImage **normalImages, int maxLayers ) {
for ( int i = 0; i < maxLayers; i++ ) {
layerImages[i] = NULL;
normalImages[i] = NULL;
}
const idMaterial *shader = surf->material;
const shaderStage_t *firstStage = NULL;
int layer = 0;
int normalLayer = 0;
for ( int stage = 0; stage < shader->GetNumStages(); stage++ ) {
const shaderStage_t *pStage = shader->GetStage( stage );
if ( regs[pStage->conditionRegister] == 0 ) {
continue;
}
if ( pStage->lighting == SL_BUMP ) {
if ( normalLayer < maxLayers ) {
normalImages[normalLayer] = pStage->texture.image;
}
normalLayer++;
continue;
}
if ( pStage->lighting != SL_AMBIENT ) {
continue;
}
if ( ( pStage->drawStateBits & ( GLS_SRCBLEND_BITS | GLS_DSTBLEND_BITS ) ) == ( GLS_SRCBLEND_ZERO | GLS_DSTBLEND_ONE ) ) {
continue;
}
if ( !firstStage ) {
firstStage = pStage;
}
if ( layer < maxLayers ) {
layerImages[layer] = pStage->texture.image;
}
layer++;
}
return firstStage;
}
static void RB_BindTerrainBlendLayers( idImage **layerImages, idImage **normalImages, int maxLayers ) {
idImage *baseImage = layerImages[0] ? layerImages[0] : globalImages->whiteImage;
idImage *flatNormal = globalImages->flatNormalMap ? globalImages->flatNormalMap : globalImages->whiteImage;
glTerrainWeightTextureQD3D12( 0 );
for ( int layer = 0; layer < maxLayers; layer++ ) {
idImage *image = layerImages[layer] ? layerImages[layer] : baseImage;
GL_SelectTexture( 0 );
image->Bind();
glTerrainLayerTextureQD3D12( layer, image->texnum );
idImage *normalImage = normalImages[layer] ? normalImages[layer] : flatNormal;
normalImage->Bind();
glTerrainLayerNormalTextureQD3D12( layer, normalImage->texnum );
}
GL_SelectTexture( 0 );
}
static void RB_ClearTerrainBlendLayers( int maxLayers ) {
glTerrainBlendEnableQD3D12( GL_FALSE );
glTerrainBlendOpacityQD3D12( 1.0f );
glTerrainWeightTextureQD3D12( 0 );
for ( int layer = 0; layer < maxLayers; layer++ ) {
glTerrainLayerTextureQD3D12( layer, 0 );
glTerrainLayerNormalTextureQD3D12( layer, 0 );
}
}
/*
==================
RB_STD_T_RenderShaderPasses
@@ -880,7 +967,33 @@ void RB_STD_T_RenderShaderPasses( const drawSurf_t *surf ) {
glGlassMaterialQD3D12( glassMaterial ? GL_TRUE : GL_FALSE );
glGeometryFlagf( glassMaterial ? ( baseGeometryFlag + (float)GEOMETRY_FLAG_GLASS ) : baseGeometryFlag );
for ( stage = 0; stage < shader->GetNumStages() ; stage++ ) {
bool terrainBlendDrawn = false;
if ( RB_SurfaceUsesTerrainBlend( surf ) ) {
idImage *terrainLayerImages[4];
idImage *terrainNormalImages[4];
const shaderStage_t *terrainStage = RB_FindTerrainBlendStages( surf, regs, terrainLayerImages, terrainNormalImages, 4 );
if ( terrainStage ) {
RB_BindTerrainBlendLayers( terrainLayerImages, terrainNormalImages, 4 );
glTerrainBlendEnableQD3D12( GL_TRUE );
glTerrainBlendOpacityQD3D12( 1.0f );
glColorPointer( 4, GL_UNSIGNED_BYTE, sizeof( idDrawVert ), (void *)&ac->color );
glEnableClientState( GL_COLOR_ARRAY );
glEnable( GL_DEPTH_TEST );
glEnable( GL_BLEND );
const int terrainState = ( terrainStage->drawStateBits &
~( GLS_SRCBLEND_BITS | GLS_DSTBLEND_BITS | GLS_DEPTHFUNC_ALWAYS | GLS_DEPTHFUNC_EQUAL ) ) | backEnd.depthFunc;
GL_State( terrainState );
RB_DrawElementsWithCounters( tri );
glDisableClientState( GL_COLOR_ARRAY );
RB_ClearTerrainBlendLayers( 4 );
terrainBlendDrawn = true;
}
}
if ( !terrainBlendDrawn ) {
for ( stage = 0; stage < shader->GetNumStages() ; stage++ ) {
pStage = shader->GetStage(stage);
// check the enable condition
@@ -1074,6 +1187,7 @@ void RB_STD_T_RenderShaderPasses( const drawSurf_t *surf ) {
GL_TexEnv( GL_MODULATE );
}
}
}
// reset polygon offset
if ( shader->TestMaterialFlag(MF_POLYGONOFFSET) ) {
@@ -1651,6 +1765,13 @@ void RB_STD_DrawView( void ) {
// Draw the sky.
RB_DrawSkyDome(backEnd.viewDef);
// Terrain is render-world data, not a proc drawSurf. Draw it after the sky
// has cleared depth, then let the normal opaque pass depth-test against it.
if (backEnd.viewDef->renderWorld)
{
RB_DrawTerrain(backEnd.viewDef);
}
// fill the depth buffer and clear color buffer to black except on
// subviews
RB_STD_FillDepthBuffer( drawSurfs, numDrawSurfs );
+234
View File
@@ -0,0 +1,234 @@
/*
===========================================================================
Render-world terrain drawing
===========================================================================
*/
#include "precompiled.h"
#pragma hdrstop
#include "tr_local.h"
static byte RB_TerrainWeightToByte( float value ) {
return (byte)idMath::ClampInt( 0, 255, (int)floorf( idMath::ClampFloat( 0.0f, 1.0f, value ) * 255.0f + 0.5f ) );
}
static void RB_TerrainFillWeightPixels( idTerrainPatch *terrain, int minX, int minY, int uploadWidth, int uploadHeight, idList<byte> &pixels ) {
pixels.SetNum( uploadWidth * uploadHeight * 4 );
for ( int y = 0; y < uploadHeight; y++ ) {
for ( int x = 0; x < uploadWidth; x++ ) {
const int sample = terrain->PaintIndex( minX + x, minY + y );
const int pixel = ( y * uploadWidth + x ) * 4;
const idVec4 weights = idTerrainPatch::NormalizeLayerWeight( terrain->paintWeights[sample] );
pixels[pixel + 0] = RB_TerrainWeightToByte( weights.x );
pixels[pixel + 1] = RB_TerrainWeightToByte( weights.y );
pixels[pixel + 2] = RB_TerrainWeightToByte( weights.z );
pixels[pixel + 3] = RB_TerrainWeightToByte( weights.w );
}
}
}
static GLuint RB_TerrainUpdateWeightTexture( idTerrainPatch *terrain ) {
terrain->EnsureLayerData( "textures/common/caulk" );
bool newTexture = false;
if ( terrain->paintTexture == 0 ) {
glGenTextures( 1, &terrain->paintTexture );
terrain->MarkPaintTextureDirty();
newTexture = true;
}
if ( !terrain->paintTextureDirty ) {
return terrain->paintTexture;
}
const int minX = idMath::ClampInt( 0, terrain->paintWidth - 1, terrain->paintDirtyMinX );
const int minY = idMath::ClampInt( 0, terrain->paintHeight - 1, terrain->paintDirtyMinY );
const int maxX = idMath::ClampInt( 0, terrain->paintWidth - 1, terrain->paintDirtyMaxX );
const int maxY = idMath::ClampInt( 0, terrain->paintHeight - 1, terrain->paintDirtyMaxY );
const bool validRect = maxX >= minX && maxY >= minY;
const bool fullUpload = newTexture || !validRect ||
( minX == 0 && minY == 0 && maxX == terrain->paintWidth - 1 && maxY == terrain->paintHeight - 1 );
const int uploadX = fullUpload ? 0 : minX;
const int uploadY = fullUpload ? 0 : minY;
const int uploadWidth = fullUpload ? terrain->paintWidth : ( maxX - minX + 1 );
const int uploadHeight = fullUpload ? terrain->paintHeight : ( maxY - minY + 1 );
GL_SelectTexture( 0 );
glBindTexture( GL_TEXTURE_2D, terrain->paintTexture );
backEnd.glState.tmu[backEnd.glState.currenttmu].current2DMap = terrain->paintTexture;
backEnd.glState.tmu[backEnd.glState.currenttmu].textureType = TT_2D;
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
idList<byte> pixels;
RB_TerrainFillWeightPixels( terrain, uploadX, uploadY, uploadWidth, uploadHeight, pixels );
if ( fullUpload ) {
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, terrain->paintWidth, terrain->paintHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels.Ptr() );
} else {
glTexSubImage2D( GL_TEXTURE_2D, 0, uploadX, uploadY, uploadWidth, uploadHeight, GL_RGBA, GL_UNSIGNED_BYTE, pixels.Ptr() );
}
terrain->ClearPaintTextureDirtyRect();
return terrain->paintTexture;
}
static const idMaterial *RB_TerrainLayerMaterial( const char *materialName ) {
if ( !materialName || !materialName[0] ) {
return NULL;
}
const idMaterial *material = declManager->FindMaterial( materialName, false );
if ( !material || material->TestMaterialFlag( MF_DEFAULTED ) ) {
return NULL;
}
return material;
}
static idImage *RB_TerrainLayerDiffuseImage( const char *materialName ) {
const idMaterial *material = RB_TerrainLayerMaterial( materialName );
if ( !material ) {
return NULL;
}
idImage *image = material->GetDiffuseImage( NULL );
return image ? image : material->GetEditorImage();
}
static idImage *RB_TerrainLayerNormalImage( const char *materialName ) {
idImage *flatNormal = globalImages->flatNormalMap ? globalImages->flatNormalMap : globalImages->whiteImage;
const idMaterial *material = RB_TerrainLayerMaterial( materialName );
if ( !material ) {
return flatNormal;
}
const shaderStage_t *bumpStage = material->GetBumpStage();
if ( !bumpStage || !bumpStage->texture.image ) {
return flatNormal;
}
return bumpStage->texture.image;
}
static void RB_TerrainBindLayerTextures( idTerrainPatch *terrain ) {
terrain->EnsureLayerData( "textures/common/caulk" );
idImage *baseImage = RB_TerrainLayerDiffuseImage( terrain->layerMaterials[0].c_str() );
if ( !baseImage ) {
baseImage = globalImages->whiteImage;
}
for ( int layer = 0; layer < TERRAIN_MAX_LAYERS; layer++ ) {
idImage *image = RB_TerrainLayerDiffuseImage( terrain->layerMaterials[layer].c_str() );
if ( !image ) {
image = baseImage;
}
GL_SelectTexture( 0 );
image->Bind();
glTerrainLayerTextureQD3D12( layer, image->texnum );
idImage *normalImage = RB_TerrainLayerNormalImage( terrain->layerMaterials[layer].c_str() );
if ( !normalImage ) {
normalImage = globalImages->flatNormalMap ? globalImages->flatNormalMap : globalImages->whiteImage;
}
normalImage->Bind();
glTerrainLayerNormalTextureQD3D12( layer, normalImage->texnum );
}
glTerrainWeightTextureQD3D12( RB_TerrainUpdateWeightTexture( terrain ) );
}
static void RB_TerrainClearLayerTextureBindings() {
glTerrainBlendEnableQD3D12( GL_FALSE );
glTerrainBlendOpacityQD3D12( 1.0f );
glTerrainWeightTextureQD3D12( 0 );
for ( int layer = 0; layer < TERRAIN_MAX_LAYERS; layer++ ) {
glTerrainLayerTextureQD3D12( layer, 0 );
glTerrainLayerNormalTextureQD3D12( layer, 0 );
}
}
static void RB_TerrainSubmitVertex( const idTerrainPatch *terrain, int x, int y ) {
idVec3 vertex = terrain->Vertex( x, y );
idVec3 normal = terrain->VertexNormal( x, y );
const float u = (float)x / (float)( terrain->width - 1 );
const float v = (float)y / (float)( terrain->height - 1 );
const float layerS = terrain->WorldWidth() * u / 256.0f;
const float layerT = terrain->WorldHeight() * v / 256.0f;
const int paintX = idMath::ClampInt( 0, terrain->paintWidth - 1, (int)floorf( u * (float)( terrain->paintWidth - 1 ) + 0.5f ) );
const int paintY = idMath::ClampInt( 0, terrain->paintHeight - 1, (int)floorf( v * (float)( terrain->paintHeight - 1 ) + 0.5f ) );
const idVec4 weights = idTerrainPatch::NormalizeLayerWeight( terrain->SamplePaintWeight( paintX, paintY ) );
glColor4fv( weights.ToFloatPtr() );
glNormal3fv( normal.ToFloatPtr() );
glMultiTexCoord2fARB( GL_TEXTURE0_ARB, layerS, layerT );
glMultiTexCoord2fARB( GL_TEXTURE1_ARB, u, v );
glVertex3fv( vertex.ToFloatPtr() );
}
static bool RB_TerrainCullPatch( const idTerrainPatch *terrain, const viewDef_t *viewDef ) {
if ( !terrain || !viewDef ) {
return true;
}
return R_CullLocalBox( terrain->bounds, viewDef->worldSpace.modelMatrix, 5, viewDef->frustum );
}
static void RB_TerrainDrawPatch( idTerrainPatch *terrain ) {
if ( !terrain || terrain->width < 2 || terrain->height < 2 ) {
return;
}
RB_TerrainBindLayerTextures( terrain );
glTerrainBlendEnableQD3D12( GL_TRUE );
glTerrainBlendOpacityQD3D12( 1.0f );
GL_State( GLS_DEPTHFUNC_LESS );
GL_Cull( CT_TWO_SIDED );
GL_SelectTexture( 0 );
glEnable( GL_TEXTURE_2D );
glEnable( GL_DEPTH_TEST );
glDepthMask( GL_TRUE );
glEnable( GL_BLEND );
for ( int y = 0; y < terrain->height - 1; y++ ) {
glBegin( GL_TRIANGLE_STRIP );
for ( int x = 0; x < terrain->width; x++ ) {
RB_TerrainSubmitVertex( terrain, x, y );
RB_TerrainSubmitVertex( terrain, x, y + 1 );
}
glEnd();
}
RB_TerrainClearLayerTextureBindings();
}
void RB_DrawTerrain( const viewDef_t *viewDef ) {
if ( r_skipTerrain.GetBool() || !viewDef || !viewDef->renderWorld || !viewDef->viewEntitys ) {
return;
}
idRenderWorldLocal *world = viewDef->renderWorld;
if ( world->terrainModel.NumTerrains() <= 0 ) {
return;
}
RB_LogComment( "---------- RB_DrawTerrain ----------\n" );
glMatrixMode( GL_MODELVIEW );
glLoadMatrixf( viewDef->worldSpace.modelViewMatrix );
backEnd.currentSpace = &viewDef->worldSpace;
for ( int i = 0; i < world->terrainModel.NumTerrains(); i++ ) {
idTerrainPatch *terrain = world->terrainModel.Terrain( i );
if ( !terrain || RB_TerrainCullPatch( terrain, viewDef ) ) {
continue;
}
RB_TerrainDrawPatch( terrain );
}
GL_Cull( CT_FRONT_SIDED );
glColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
glEnable( GL_BLEND );
GL_SelectTexture( 0 );
globalImages->BindNull();
GL_ClearStateDelta();
}
+3
View File
@@ -106,6 +106,7 @@ SURFACES
static const int DSF_VIEW_INSIDE_SHADOW = 1;
static const int DSF_SCREEN_SPACE_PARTICLE = 2;
static const int DSF_SCREEN_SPACE_PARTICLE_EMISSIVE = 4;
static const int DSF_TERRAIN_BLEND = 8;
typedef struct drawSurf_s {
const srfTriangles_t *geo;
@@ -907,6 +908,7 @@ extern idCVar r_skipRenderContext; // NULL the rendering context during backend
extern idCVar r_skipTranslucent; // skip the translucent interaction rendering
extern idCVar r_skipAmbient; // bypasses all non-interaction drawing
extern idCVar r_skipNewAmbient; // bypasses all vertex/fragment program ambients
extern idCVar r_skipTerrain; // bypasses render-world terrain drawing
extern idCVar r_skipBlendLights; // skip all blend lights
extern idCVar r_skipFogLights; // skip all fog lights
extern idCVar r_skipSubviews; // 1 = don't render any mirrors / cameras / etc
@@ -1316,6 +1318,7 @@ void RB_BindStageTexture( const float *shaderRegisters, const textureStage_t *te
void RB_FinishStageTexture( const textureStage_t *texture, const drawSurf_t *surf );
void RB_StencilShadowPass( const drawSurf_t *drawSurfs );
void RB_STD_DrawView( void );
void RB_DrawTerrain( const viewDef_t *viewDef );
void RB_STD_FogAllLights( void );
void RB_BakeTextureMatrixIntoTexgen( idPlane lightProject[3], const float textureMatrix[16] );
+1 -1
View File
@@ -2116,7 +2116,7 @@ void R_CleanupTriangles( srfTriangles_t *tri, bool createNormals, bool identifyS
// R_RemoveUnusedVerts( tri );
if ( identifySilEdges ) {
R_IdentifySilEdges( tri, true ); // assume it is non-deformable, and omit coplanar edges
// R_IdentifySilEdges( tri, true ); // assume it is non-deformable, and omit coplanar edges
}
// bust vertexes that share a mirrored edge into separate vertexes
+4
View File
@@ -366,7 +366,11 @@ void Dmap( const idCmdArgs &args ) {
// create the collision map
start = Sys_Milliseconds();
#if defined(PREY) || defined(QUAKE4)
collisionModelManager->LoadMap( dmapGlobals.dmapFile );
#else
collisionModelManager->LoadMap( dmapGlobals.dmapFile, true );
#endif
#ifdef QUAKE4
collisionModelManager->FreeMap(NULL);
#else
+175 -2
View File
@@ -34,6 +34,7 @@ If you have questions concerning this license or the applicable additional terms
#include "EditorMap.h"
#include "XYWnd.h"
#include "CamWnd.h"
#include "Terrain.h"
#include "OutlinerDlg.h"
#include "splines.h"
#include <GL/glu.h>
@@ -1099,6 +1100,19 @@ static const char* CAMWND_PROP_DECAL_EDITING = "QER_CamWnd_DecalEditing";
#define CAMWND_MENU_CMD_DECAL_SCALE_DOWN 62112
#define CAMWND_MENU_CMD_DECAL_ROTATE_CCW 62113
#define CAMWND_MENU_CMD_DECAL_ROTATE_CW 62114
#define CAMWND_MENU_CMD_TERRAIN_EDITING 62115
#define CAMWND_MENU_CMD_TERRAIN_CREATE 62116
#define CAMWND_MENU_CMD_TERRAIN_RADIUS_UP 62117
#define CAMWND_MENU_CMD_TERRAIN_RADIUS_DOWN 62118
#define CAMWND_MENU_CMD_TERRAIN_STRENGTH_UP 62119
#define CAMWND_MENU_CMD_TERRAIN_STRENGTH_DOWN 62120
#define CAMWND_MENU_CMD_TERRAIN_LAYERS 62121
#define CAMWND_MENU_CMD_PAINT_MODE 62122
#define CAMWND_MENU_CMD_PAINT_LAYER_BASE 62123
#define CAMWND_MENU_CMD_PAINT_LAYER_1 62123
#define CAMWND_MENU_CMD_PAINT_LAYER_2 62124
#define CAMWND_MENU_CMD_PAINT_LAYER_3 62125
#define CAMWND_MENU_CMD_PAINT_LAYER_4 62126
#define CAMWND_FILTER_HIDE_WORLD 0x00000001
#define CAMWND_FILTER_HIDE_PATCHES 0x00000002
@@ -1198,15 +1212,23 @@ static void CamWnd_GetMenuItemRect(HWND hWnd, int item, RECT& rect) {
rect.left = 86;
rect.right = 156;
}
else {
else if (item == 2) {
rect.left = 156;
rect.right = 236;
}
else if (item == 3) {
rect.left = 236;
rect.right = 326;
}
else {
rect.left = 326;
rect.right = 396;
}
}
static int CamWnd_MenuHitTest(HWND hWnd, int x, int y) {
RECT rect;
for (int i = 0; i < 3; i++) {
for (int i = 0; i < 5; i++) {
CamWnd_GetMenuItemRect(hWnd, i, rect);
if (x >= rect.left && x < rect.right && y >= rect.top && y < rect.bottom) {
return i;
@@ -1373,7 +1395,24 @@ static void CamWnd_ToggleCubicClipping(CCamWnd* cam) {
}
}
static void CamWnd_SelectTerrainPaintLayer(CCamWnd* cam, int layer) {
if (Terrain_NumTerrains() <= 0) {
Sys_Status("Create a terrain before painting\n", 0);
return;
}
Terrain_SetEditMode(true);
Terrain_SetPaintMode(true);
Terrain_SelectPaintLayer(layer);
CamWnd_RequestRedraw(cam);
}
static void CamWnd_HandleMenuCommand(CCamWnd* cam, int command) {
if (command >= CAMWND_MENU_CMD_PAINT_LAYER_BASE && command < CAMWND_MENU_CMD_PAINT_LAYER_BASE + 4) {
CamWnd_SelectTerrainPaintLayer(cam, command - CAMWND_MENU_CMD_PAINT_LAYER_BASE);
return;
}
switch (command) {
case CAMWND_MENU_CMD_REALTIME_LIGHTING:
CamWnd_ToggleRealtimeLighting(cam);
@@ -1396,6 +1435,45 @@ static void CamWnd_HandleMenuCommand(CCamWnd* cam, int command) {
case CAMWND_MENU_CMD_DECAL_ROTATE_CW:
CamWnd_RotateStencil(cam, 15.0f);
break;
case CAMWND_MENU_CMD_TERRAIN_EDITING:
Terrain_ToggleEditMode();
CamWnd_RequestRedraw(cam);
break;
case CAMWND_MENU_CMD_TERRAIN_CREATE:
Terrain_CreateDefaultAtCamera(cam);
CamWnd_RequestRedraw(cam);
break;
case CAMWND_MENU_CMD_TERRAIN_LAYERS:
if (Terrain_ShowLayersDialog(cam)) {
CamWnd_RequestRedraw(cam);
}
break;
case CAMWND_MENU_CMD_TERRAIN_RADIUS_UP:
Terrain_AdjustBrushRadius(1.25f);
CamWnd_RequestRedraw(cam);
break;
case CAMWND_MENU_CMD_TERRAIN_RADIUS_DOWN:
Terrain_AdjustBrushRadius(0.8f);
CamWnd_RequestRedraw(cam);
break;
case CAMWND_MENU_CMD_TERRAIN_STRENGTH_UP:
Terrain_AdjustBrushStrength(1.25f);
CamWnd_RequestRedraw(cam);
break;
case CAMWND_MENU_CMD_TERRAIN_STRENGTH_DOWN:
Terrain_AdjustBrushStrength(0.8f);
CamWnd_RequestRedraw(cam);
break;
case CAMWND_MENU_CMD_PAINT_MODE:
if (Terrain_NumTerrains() > 0) {
Terrain_SetEditMode(true);
Terrain_SetPaintMode(true);
CamWnd_RequestRedraw(cam);
}
else {
Sys_Status("Create a terrain before painting\n", 0);
}
break;
case CAMWND_MENU_CMD_SHOW_WORLD:
CamWnd_ToggleFilterBit(cam, CAMWND_FILTER_HIDE_WORLD);
break;
@@ -1483,6 +1561,69 @@ static void CamWnd_ShowDecalsMenu(HWND hWnd, CCamWnd* cam) {
}
}
static void CamWnd_ShowTerrainMenu(HWND hWnd, CCamWnd* cam) {
RECT itemRect;
POINT pt;
HMENU menu;
int command;
CamWnd_GetMenuItemRect(hWnd, 3, itemRect);
pt.x = itemRect.left;
pt.y = itemRect.bottom;
ClientToScreen(hWnd, &pt);
menu = CreatePopupMenu();
AppendMenu(menu, MF_STRING | (Terrain_IsEditMode() ? MF_CHECKED : 0), CAMWND_MENU_CMD_TERRAIN_EDITING, "Enable terrain editing (T)");
AppendMenu(menu, MF_STRING, CAMWND_MENU_CMD_TERRAIN_CREATE, "Create default terrain (Ctrl+T)");
UINT terrainFlags = MF_STRING | (Terrain_NumTerrains() > 0 ? 0 : MF_GRAYED);
AppendMenu(menu, terrainFlags, CAMWND_MENU_CMD_TERRAIN_LAYERS, "Terrain layers...");
AppendMenu(menu, MF_SEPARATOR, 0, NULL);
UINT toolFlags = terrainFlags;
AppendMenu(menu, toolFlags, CAMWND_MENU_CMD_TERRAIN_RADIUS_UP, "Increase brush radius (])");
AppendMenu(menu, toolFlags, CAMWND_MENU_CMD_TERRAIN_RADIUS_DOWN, "Decrease brush radius ([)");
AppendMenu(menu, toolFlags, CAMWND_MENU_CMD_TERRAIN_STRENGTH_UP, "Increase brush strength (+)");
AppendMenu(menu, toolFlags, CAMWND_MENU_CMD_TERRAIN_STRENGTH_DOWN, "Decrease brush strength (-)");
command = TrackPopupMenu(menu, TPM_RETURNCMD | TPM_LEFTALIGN | TPM_TOPALIGN, pt.x, pt.y, 0, hWnd, NULL);
DestroyMenu(menu);
if (command) {
CamWnd_HandleMenuCommand(cam, command);
}
}
static void CamWnd_ShowPaintMenu(HWND hWnd, CCamWnd* cam) {
RECT itemRect;
POINT pt;
HMENU menu;
int command;
CamWnd_GetMenuItemRect(hWnd, 4, itemRect);
pt.x = itemRect.left;
pt.y = itemRect.bottom;
ClientToScreen(hWnd, &pt);
const bool hasTerrain = Terrain_NumTerrains() > 0;
const UINT paintFlags = MF_STRING | (hasTerrain ? 0 : MF_GRAYED);
menu = CreatePopupMenu();
AppendMenu(menu, paintFlags | (Terrain_IsEditMode() && Terrain_IsPaintMode() ? MF_CHECKED : 0), CAMWND_MENU_CMD_PAINT_MODE, "Paint mode (P)");
AppendMenu(menu, MF_SEPARATOR, 0, NULL);
for (int layer = 0; layer < 4; layer++) {
UINT layerFlags = paintFlags;
if (Terrain_GetPaintLayer() == layer) {
layerFlags |= MF_CHECKED;
}
AppendMenu(menu, layerFlags, CAMWND_MENU_CMD_PAINT_LAYER_BASE + layer, va("Paint layer %i (%i)", layer + 1, layer + 1));
}
command = TrackPopupMenu(menu, TPM_RETURNCMD | TPM_LEFTALIGN | TPM_TOPALIGN, pt.x, pt.y, 0, hWnd, NULL);
DestroyMenu(menu);
if (command) {
CamWnd_HandleMenuCommand(cam, command);
}
}
static void CamWnd_ShowFiltersMenu(HWND hWnd, CCamWnd* cam) {
RECT itemRect;
POINT pt;
@@ -1531,6 +1672,12 @@ static void CamWnd_ShowTopMenu(HWND hWnd, int item) {
else if (item == 2) {
CamWnd_ShowDecalsMenu(hWnd, cam);
}
else if (item == 3) {
CamWnd_ShowTerrainMenu(hWnd, cam);
}
else if (item == 4) {
CamWnd_ShowPaintMenu(hWnd, cam);
}
}
static void CamWnd_RegisterMenuBarClass() {
@@ -3096,6 +3243,12 @@ static LRESULT CALLBACK CamWnd_MenuBarProc(HWND hWnd, UINT uMsg, WPARAM wParam,
CamWnd_GetMenuItemRect(hWnd, 2, itemRect);
RoundRect(hDC, itemRect.left + 3, itemRect.top + 2, itemRect.right - 3, itemRect.bottom - 2, 6, 6);
DrawText(hDC, "Decals", -1, &itemRect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
CamWnd_GetMenuItemRect(hWnd, 3, itemRect);
RoundRect(hDC, itemRect.left + 3, itemRect.top + 2, itemRect.right - 3, itemRect.bottom - 2, 6, 6);
DrawText(hDC, "Terrain", -1, &itemRect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
CamWnd_GetMenuItemRect(hWnd, 4, itemRect);
RoundRect(hDC, itemRect.left + 3, itemRect.top + 2, itemRect.right - 3, itemRect.bottom - 2, 6, 6);
DrawText(hDC, "Paint", -1, &itemRect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
::SelectObject(hDC, oldPen);
::SelectObject(hDC, oldBrush);
::DeleteObject(borderPen);
@@ -3207,6 +3360,7 @@ INT_PTR WINAPI CamWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
if (cam) {
CamWnd_FaceExtrudeEnd(cam, false);
CamWnd_GizmoEnd(cam, false);
Terrain_CancelStroke();
CameraNav_Stop(cam);
}
SendMessage(hWnd, WM_NCACTIVATE, FALSE, 0);
@@ -3289,6 +3443,9 @@ void CCamWnd::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) {
Map_DeleteSelectedDecal();
return;
}
if (Terrain_HandleKeyDown(this, nChar)) {
return;
}
if (CameraNav_HandleKeyDown(this, nChar)) {
return;
}
@@ -3303,6 +3460,9 @@ void CCamWnd::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) {
if (CamWnd_HandleDecalTransformChar(this, nChar)) {
return;
}
if (Terrain_HandleChar(this, nChar)) {
return;
}
CWnd::OnChar(nChar, nRepCnt, nFlags);
}
@@ -3347,6 +3507,7 @@ void CCamWnd::SetXYFriend(CXYWnd* pWnd) {
void CCamWnd::OnDestroy() {
CamWnd_FaceExtrudeEnd(this, false);
CamWnd_GizmoEnd(this, false);
Terrain_CancelStroke();
CamWnd_ClearDecalPreview(this);
CamWnd_DestroyMenuBar(this);
CWnd::OnDestroy();
@@ -3370,6 +3531,11 @@ void CCamWnd::OnMouseMove(UINT nFlags, CPoint point) {
CRect r;
GetClientRect(r);
if (Terrain_MouseMove(this, point, nFlags)) {
m_ptLastCursor = point;
return;
}
if (GetCapture() != this) {
CamWnd_UpdateDecalPreview(this, point);
}
@@ -3428,6 +3594,9 @@ void CCamWnd::OnLButtonDown(UINT nFlags, CPoint point) {
Sys_UpdateWindows(W_ALL);
return;
}
if (Terrain_LButtonDown(this, point, nFlags)) {
return;
}
if ((nFlags & MK_CONTROL) && (nFlags & MK_SHIFT) && CamWnd_FaceExtrudeBegin(this, point)) {
return;
}
@@ -3448,6 +3617,9 @@ void CCamWnd::OnLButtonDown(UINT nFlags, CPoint point) {
=======================================================================================================================
*/
void CCamWnd::OnLButtonUp(UINT nFlags, CPoint point) {
if (Terrain_LButtonUp(this, point, nFlags)) {
return;
}
if (CamWnd_GizmoIsActive(this)) {
CamWnd_GizmoMouseMove(this, point, nFlags);
CamWnd_GizmoEnd(this, true);
@@ -4448,6 +4620,7 @@ void CCamWnd::Cam_Draw() {
CamWnd_DrawActiveBrushes(this, renderMode, entityMode, brushFilter);
CamWnd_DrawRadiantLightFrustums(this);
Terrain_DrawCam(this);
//glDepthMask ( 1 ); // Ok, write now
+4
View File
@@ -30,6 +30,7 @@ If you have questions concerning this license or the applicable additional terms
#pragma hdrstop
#include "qe3.h"
#include "Terrain.h"
int mapModified; // for quit confirmation (0 = clean, 1 = unsaved,
@@ -521,6 +522,7 @@ void Map_Free(void) {
// clear all the render and sound system data
g_qeglobals.rw->InitFromMap( NULL );
g_qeglobals.sw->ClearAllSoundEmitters();
Terrain_Clear();
Texture_ClearInuse();
Pointfile_Clear();
@@ -840,6 +842,7 @@ void Map_LoadFile(const char *filename) {
g_pParentWnd->GetCamera()->BuildRendererState();
}
Map_LoadDecals(filename);
Terrain_Load(filename);
Sys_EndWait();
Sys_UpdateWindows(W_ALL);
@@ -1086,6 +1089,7 @@ bool Map_SaveFile(const char *filename, bool use_region, bool autosave) {
map.Write(mapFile, mapExt, !(autosave || localFile));
if (!use_region) {
Map_SaveDecals(filename);
Terrain_Save(filename);
}
mapModified = 0;
+11 -2
View File
@@ -48,6 +48,7 @@ If you have questions concerning this license or the applicable additional terms
#include "DialogThick.h"
#include "PatchDialog.h"
#include "Undo.h"
#include "Terrain.h"
#include "NewTexWnd.h"
#include "splines.h"
#include "dlgcamera.h"
@@ -5502,6 +5503,10 @@ void CMainFrame::OnEditPastebrush() {
*/
void CMainFrame::OnEditUndo() {
// if (ActiveXY()) ActiveXY()->Undo();
if (Terrain_UndoAvailable() && (Terrain_IsEditMode() || !Undo_UndoAvailable())) {
Terrain_Undo();
return;
}
Undo_Undo();
}
@@ -5510,6 +5515,10 @@ void CMainFrame::OnEditUndo() {
=======================================================================================================================
*/
void CMainFrame::OnEditRedo() {
if (Terrain_RedoAvailable() && (Terrain_IsEditMode() || !Undo_RedoAvailable())) {
Terrain_Redo();
return;
}
Undo_Redo();
}
@@ -5522,7 +5531,7 @@ void CMainFrame::OnUpdateEditUndo(CCmdUI* pCmdUI) {
* BOOL bEnable = false; if (ActiveXY()) bEnable = ActiveXY()->UndoAvailable();
* pCmdUI->Enable(bEnable);
*/
pCmdUI->Enable(Undo_UndoAvailable());
pCmdUI->Enable(Undo_UndoAvailable() || Terrain_UndoAvailable());
}
/*
@@ -5530,7 +5539,7 @@ void CMainFrame::OnUpdateEditUndo(CCmdUI* pCmdUI) {
=======================================================================================================================
*/
void CMainFrame::OnUpdateEditRedo(CCmdUI* pCmdUI) {
pCmdUI->Enable(Undo_RedoAvailable());
pCmdUI->Enable(Undo_RedoAvailable() || Terrain_RedoAvailable());
}
/*
+181
View File
@@ -0,0 +1,181 @@
/*
===========================================================================
IceTech GPL Source Code
Copyright (C) 2026 Justin Marshall
This file is part of the IceTech GPL Source Code.
===========================================================================
*/
#ifndef __RADIANTGLTEXT_H__
#define __RADIANTGLTEXT_H__
static ID_INLINE const unsigned char* RadiantGLText_GlyphRows(char c) {
static const unsigned char glyphBlank[7] = { 0, 0, 0, 0, 0, 0, 0 };
static const unsigned char glyph0[7] = { 14, 17, 19, 21, 25, 17, 14 };
static const unsigned char glyph1[7] = { 4, 12, 4, 4, 4, 4, 14 };
static const unsigned char glyph2[7] = { 14, 17, 1, 2, 4, 8, 31 };
static const unsigned char glyph3[7] = { 30, 1, 1, 14, 1, 1, 30 };
static const unsigned char glyph4[7] = { 2, 6, 10, 18, 31, 2, 2 };
static const unsigned char glyph5[7] = { 31, 16, 16, 30, 1, 1, 30 };
static const unsigned char glyph6[7] = { 14, 16, 16, 30, 17, 17, 14 };
static const unsigned char glyph7[7] = { 31, 1, 2, 4, 8, 8, 8 };
static const unsigned char glyph8[7] = { 14, 17, 17, 14, 17, 17, 14 };
static const unsigned char glyph9[7] = { 14, 17, 17, 15, 1, 1, 14 };
static const unsigned char glyphA[7] = { 14, 17, 17, 31, 17, 17, 17 };
static const unsigned char glyphB[7] = { 30, 17, 17, 30, 17, 17, 30 };
static const unsigned char glyphC[7] = { 14, 17, 16, 16, 16, 17, 14 };
static const unsigned char glyphD[7] = { 30, 17, 17, 17, 17, 17, 30 };
static const unsigned char glyphE[7] = { 31, 16, 16, 30, 16, 16, 31 };
static const unsigned char glyphF[7] = { 31, 16, 16, 30, 16, 16, 16 };
static const unsigned char glyphG[7] = { 14, 17, 16, 23, 17, 17, 14 };
static const unsigned char glyphH[7] = { 17, 17, 17, 31, 17, 17, 17 };
static const unsigned char glyphI[7] = { 14, 4, 4, 4, 4, 4, 14 };
static const unsigned char glyphJ[7] = { 7, 2, 2, 2, 18, 18, 12 };
static const unsigned char glyphK[7] = { 17, 18, 20, 24, 20, 18, 17 };
static const unsigned char glyphL[7] = { 16, 16, 16, 16, 16, 16, 31 };
static const unsigned char glyphM[7] = { 17, 27, 21, 21, 17, 17, 17 };
static const unsigned char glyphN[7] = { 17, 25, 21, 19, 17, 17, 17 };
static const unsigned char glyphO[7] = { 14, 17, 17, 17, 17, 17, 14 };
static const unsigned char glyphP[7] = { 30, 17, 17, 30, 16, 16, 16 };
static const unsigned char glyphQ[7] = { 14, 17, 17, 17, 21, 18, 13 };
static const unsigned char glyphR[7] = { 30, 17, 17, 30, 20, 18, 17 };
static const unsigned char glyphS[7] = { 15, 16, 16, 14, 1, 1, 30 };
static const unsigned char glyphT[7] = { 31, 4, 4, 4, 4, 4, 4 };
static const unsigned char glyphU[7] = { 17, 17, 17, 17, 17, 17, 14 };
static const unsigned char glyphV[7] = { 17, 17, 17, 17, 17, 10, 4 };
static const unsigned char glyphW[7] = { 17, 17, 17, 21, 21, 21, 10 };
static const unsigned char glyphX[7] = { 17, 17, 10, 4, 10, 17, 17 };
static const unsigned char glyphY[7] = { 17, 17, 10, 4, 4, 4, 4 };
static const unsigned char glyphZ[7] = { 31, 1, 2, 4, 8, 16, 31 };
static const unsigned char glyphColon[7] = { 0, 4, 4, 0, 4, 4, 0 };
static const unsigned char glyphXChar[7] = { 0, 0, 17, 10, 4, 10, 17 };
static const unsigned char glyphSlash[7] = { 1, 1, 2, 4, 8, 16, 16 };
static const unsigned char glyphBackslash[7] = { 16, 16, 8, 4, 2, 1, 1 };
static const unsigned char glyphDot[7] = { 0, 0, 0, 0, 0, 12, 12 };
static const unsigned char glyphDash[7] = { 0, 0, 0, 31, 0, 0, 0 };
static const unsigned char glyphUnderscore[7] = { 0, 0, 0, 0, 0, 0, 31 };
if (c >= 'a' && c <= 'z' && c != 'x') {
c = c - 'a' + 'A';
}
switch (c) {
case '0': return glyph0;
case '1': return glyph1;
case '2': return glyph2;
case '3': return glyph3;
case '4': return glyph4;
case '5': return glyph5;
case '6': return glyph6;
case '7': return glyph7;
case '8': return glyph8;
case '9': return glyph9;
case 'A': return glyphA;
case 'B': return glyphB;
case 'C': return glyphC;
case 'D': return glyphD;
case 'E': return glyphE;
case 'F': return glyphF;
case 'G': return glyphG;
case 'H': return glyphH;
case 'I': return glyphI;
case 'J': return glyphJ;
case 'K': return glyphK;
case 'L': return glyphL;
case 'M': return glyphM;
case 'N': return glyphN;
case 'O': return glyphO;
case 'P': return glyphP;
case 'Q': return glyphQ;
case 'R': return glyphR;
case 'S': return glyphS;
case 'T': return glyphT;
case 'U': return glyphU;
case 'V': return glyphV;
case 'W': return glyphW;
case 'X': return glyphX;
case 'x': return glyphXChar;
case 'Y': return glyphY;
case 'Z': return glyphZ;
case ':': return glyphColon;
case '/': return glyphSlash;
case '\\': return glyphBackslash;
case '.': return glyphDot;
case '-': return glyphDash;
case '_': return glyphUnderscore;
default: return glyphBlank;
}
}
static ID_INLINE float RadiantGLText_Abs(float value) {
return (value < 0.0f) ? -value : value;
}
static ID_INLINE float RadiantGLText_Width(const char* text, float scale) {
if (!text || !text[0]) {
return 0.0f;
}
return (float)strlen(text) * 6.0f * RadiantGLText_Abs(scale);
}
static ID_INLINE float RadiantGLText_Height(float scale) {
return 7.0f * RadiantGLText_Abs(scale);
}
static ID_INLINE void RadiantGLText_DrawScaled(const char* text, float x, float y, float xScale, float yScale) {
if (!text || !text[0]) {
return;
}
const float glyphAdvance = 6.0f * RadiantGLText_Abs(xScale);
float penX = x;
glBegin(GL_QUADS);
for (const char* p = text; *p; p++) {
const char c = *p;
if (c == ' ') {
penX += glyphAdvance;
continue;
}
const unsigned char* rows = RadiantGLText_GlyphRows(c);
for (int row = 0; row < 7; row++) {
for (int col = 0; col < 5; col++) {
if (!(rows[row] & (1 << (4 - col)))) {
continue;
}
const float x0 = penX + col * xScale;
const float y0 = y + row * yScale;
const float x1 = x0 + xScale;
const float y1 = y0 + yScale;
glVertex2f(x0, y0);
glVertex2f(x1, y0);
glVertex2f(x1, y1);
glVertex2f(x0, y1);
}
}
penX += glyphAdvance;
}
glEnd();
}
static ID_INLINE void RadiantGLText_Draw(const char* text, float x, float y, float scale) {
RadiantGLText_DrawScaled(text, x, y, scale, scale);
}
static ID_INLINE void RadiantGLText_DrawCentered(const char* text, float centerX, float centerY, float scale) {
const float x = centerX - RadiantGLText_Width(text, scale) * 0.5f;
const float y = centerY - RadiantGLText_Height(scale) * 0.5f;
RadiantGLText_Draw(text, x, y, scale);
}
static ID_INLINE void RadiantGLText_DrawCenteredYUp(const char* text, float centerX, float centerY, float scale) {
const float x = centerX - RadiantGLText_Width(text, scale) * 0.5f;
const float y = centerY + RadiantGLText_Height(scale) * 0.5f;
RadiantGLText_DrawScaled(text, x, y, scale, -scale);
}
#endif // __RADIANTGLTEXT_H__
File diff suppressed because it is too large Load Diff
+48
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@@ -0,0 +1,48 @@
/*
===========================================================================
Radiant terrain authoring
Editor-only heightfield terrain source data, live drawing, camera sculpt input,
and sidecar persistence.
===========================================================================
*/
#ifndef __RADIANT_TERRAIN_H__
#define __RADIANT_TERRAIN_H__
class CCamWnd;
void Terrain_Clear(void);
void Terrain_Load(const char *mapFileName);
void Terrain_Save(const char *mapFileName);
bool Terrain_IsEditMode(void);
void Terrain_SetEditMode(bool enabled);
void Terrain_ToggleEditMode(void);
bool Terrain_IsPaintMode(void);
void Terrain_SetPaintMode(bool enabled);
int Terrain_GetPaintLayer(void);
void Terrain_SelectPaintLayer(int layer);
int Terrain_NumTerrains(void);
void Terrain_CreateDefaultAtCamera(CCamWnd *cam);
bool Terrain_ShowLayersDialog(CCamWnd *cam);
bool Terrain_HandleKeyDown(CCamWnd *cam, UINT key);
bool Terrain_HandleChar(CCamWnd *cam, UINT key);
bool Terrain_MouseMove(CCamWnd *cam, const CPoint &point, UINT flags);
bool Terrain_LButtonDown(CCamWnd *cam, const CPoint &point, UINT flags);
bool Terrain_LButtonUp(CCamWnd *cam, const CPoint &point, UINT flags);
void Terrain_CancelStroke(void);
void Terrain_DrawCam(CCamWnd *cam);
void Terrain_DrawXY(int viewType);
void Terrain_AdjustBrushRadius(float scale);
void Terrain_AdjustBrushStrength(float scale);
bool Terrain_UndoAvailable(void);
bool Terrain_RedoAvailable(void);
bool Terrain_Undo(void);
bool Terrain_Redo(void);
#endif
+3
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@@ -32,6 +32,7 @@ If you have questions concerning this license or the applicable additional terms
#include "qe3.h"
#include "Radiant.h"
#include "XYWnd.h"
#include "Terrain.h"
#include "ModelViewDock.h"
#include "ZWnd.h"
#include "DialogInfo.h"
@@ -5838,6 +5839,8 @@ void CXYWnd::XY_Draw() {
brush->Brush_DrawXY(m_nViewType );
}
Terrain_DrawXY(m_nViewType);
DrawPathLines();
// draw pointfile
+105
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@@ -0,0 +1,105 @@
/*
===========================================================================
IceTech GPL Source Code
Copyright (C) 2026 Justin Marshall
This file is part of the IceTech GPL Source Code.
===========================================================================
*/
#include "precompiled.h"
#pragma hdrstop
#include "Window.h"
#include "UserInterfaceLocal.h"
#include "MinigameWindow.h"
idMinigameWindow::idMinigameWindow( idUserInterfaceLocal *g ) : idWindow( g ) {
CommonInit();
}
idMinigameWindow::idMinigameWindow( idDeviceContext *d, idUserInterfaceLocal *g ) : idWindow( d, g ) {
CommonInit();
}
idMinigameWindow::~idMinigameWindow() {
instance.Shutdown();
}
void idMinigameWindow::CommonInit() {
minigameName = "";
imageName = "_minigame";
commandLine = "";
autoStart = true;
SetFlag( WIN_CANFOCUS | WIN_HOLDCAPTURE );
}
void idMinigameWindow::PostParse() {
idWindow::PostParse();
EnsureStarted();
}
void idMinigameWindow::EnsureStarted() {
if ( !autoStart || instance.IsStarted() || instance.HasFailed() || !minigameName.c_str()[0] ) {
return;
}
instance.Start( minigameName.c_str(), imageName.c_str(), commandLine.c_str() );
}
void idMinigameWindow::DrawBackground( const idRectangle &drawRect ) {
EnsureStarted();
instance.SetActive( true );
instance.UploadFramebuffer();
idWindow::DrawBackground( drawRect );
}
const char *idMinigameWindow::HandleEvent( const sysEvent_t *event, bool *updateVisuals ) {
EnsureStarted();
if ( instance.IsStarted() ) {
instance.SetActive( true );
instance.QueueEvent( event, gui->GetTime() );
if ( updateVisuals ) {
*updateVisuals = true;
}
return "";
}
return idWindow::HandleEvent( event, updateVisuals );
}
const char *idMinigameWindow::RouteMouseCoords( float xd, float yd ) {
EnsureStarted();
if ( instance.IsStarted() ) {
instance.SetActive( true );
sysEvent_t event = sys->GenerateMouseMoveEvent( idMath::Ftoi( xd ), idMath::Ftoi( yd ) );
instance.QueueEvent( &event, gui->GetTime() );
return "";
}
return idWindow::RouteMouseCoords( xd, yd );
}
bool idMinigameWindow::ParseInternalVar( const char *_name, idParser *src ) {
idStr parsedString;
if ( idStr::Icmp( _name, "minigame" ) == 0 || idStr::Icmp( _name, "module" ) == 0 ) {
ParseString( src, parsedString );
minigameName = parsedString;
return true;
}
if ( idStr::Icmp( _name, "image" ) == 0 ) {
ParseString( src, parsedString );
imageName = parsedString;
return true;
}
if ( idStr::Icmp( _name, "commandLine" ) == 0 ) {
ParseString( src, parsedString );
commandLine = parsedString;
return true;
}
if ( idStr::Icmp( _name, "autoStart" ) == 0 ) {
autoStart = src->ParseBool();
return true;
}
return idWindow::ParseInternalVar( _name, src );
}
+40
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@@ -0,0 +1,40 @@
/*
===========================================================================
IceTech GPL Source Code
Copyright (C) 2026 Justin Marshall
This file is part of the IceTech GPL Source Code.
===========================================================================
*/
#ifndef __MINIGAMEWINDOW_H__
#define __MINIGAMEWINDOW_H__
#include "../minigame/MinigameHost.h"
class idMinigameWindow : public idWindow {
public:
idMinigameWindow( idUserInterfaceLocal *gui );
idMinigameWindow( idDeviceContext *d, idUserInterfaceLocal *gui );
virtual ~idMinigameWindow();
virtual void PostParse();
virtual void DrawBackground( const idRectangle &drawRect );
virtual const char *HandleEvent( const sysEvent_t *event, bool *updateVisuals );
virtual const char *RouteMouseCoords( float xd, float yd );
private:
void CommonInit();
virtual bool ParseInternalVar( const char *name, idParser *src );
void EnsureStarted();
idWinStr minigameName;
idWinStr imageName;
idWinStr commandLine;
idWinBool autoStart;
idMinigameInstance instance;
};
#endif // __MINIGAMEWINDOW_H__