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Added SDL 1c0f6952e65e.

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This commit is contained in:
rude
2015-03-15 15:47:43 +01:00
parent 4d04ac181e
commit 6a2aff6450
1109 changed files with 160136 additions and 33995 deletions
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libs/SDL2/src/render/opengles2/SDL_render_gles2.c
+427 -219
View File
@@ -28,7 +28,20 @@
#include "../../video/SDL_blit.h"
#include "SDL_shaders_gles2.h"
/* To prevent unnecessary window recreation,
/* !!! FIXME: Emscripten makes these into WebGL calls, and WebGL doesn't offer
!!! FIXME: client-side arrays (without an Emscripten compatibility hack,
!!! FIXME: at least), but the current VBO code here is dramatically
!!! FIXME: slower on actual iOS devices, even though the iOS Simulator
!!! FIXME: is okay. Some time after 2.0.4 ships, we should revisit this,
!!! FIXME: fix the performance bottleneck, and make everything use VBOs.
*/
#ifdef __EMSCRIPTEN__
#define SDL_GLES2_USE_VBOS 1
#else
#define SDL_GLES2_USE_VBOS 0
#endif
/* To prevent unnecessary window recreation,
* these should match the defaults selected in SDL_GL_ResetAttributes
*/
#define RENDERER_CONTEXT_MAJOR 2
@@ -49,10 +62,12 @@ SDL_RenderDriver GLES2_RenderDriver = {
"opengles2",
(SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_TARGETTEXTURE),
4,
{SDL_PIXELFORMAT_ABGR8888,
{
SDL_PIXELFORMAT_ARGB8888,
SDL_PIXELFORMAT_ABGR8888,
SDL_PIXELFORMAT_RGB888,
SDL_PIXELFORMAT_BGR888},
SDL_PIXELFORMAT_BGR888
},
0,
0
}
@@ -78,7 +93,12 @@ typedef struct GLES2_TextureData
GLenum pixel_format;
GLenum pixel_type;
void *pixel_data;
size_t pitch;
int pitch;
/* YUV texture support */
SDL_bool yuv;
SDL_bool nv12;
GLenum texture_v;
GLenum texture_u;
GLES2_FBOList *fbo;
} GLES2_TextureData;
@@ -133,7 +153,9 @@ typedef enum
GLES2_UNIFORM_PROJECTION,
GLES2_UNIFORM_TEXTURE,
GLES2_UNIFORM_MODULATION,
GLES2_UNIFORM_COLOR
GLES2_UNIFORM_COLOR,
GLES2_UNIFORM_TEXTURE_U,
GLES2_UNIFORM_TEXTURE_V
} GLES2_Uniform;
typedef enum
@@ -142,7 +164,10 @@ typedef enum
GLES2_IMAGESOURCE_TEXTURE_ABGR,
GLES2_IMAGESOURCE_TEXTURE_ARGB,
GLES2_IMAGESOURCE_TEXTURE_RGB,
GLES2_IMAGESOURCE_TEXTURE_BGR
GLES2_IMAGESOURCE_TEXTURE_BGR,
GLES2_IMAGESOURCE_TEXTURE_YUV,
GLES2_IMAGESOURCE_TEXTURE_NV12,
GLES2_IMAGESOURCE_TEXTURE_NV21
} GLES2_ImageSource;
typedef struct GLES2_DriverContext
@@ -168,6 +193,11 @@ typedef struct GLES2_DriverContext
GLES2_ProgramCache program_cache;
GLES2_ProgramCacheEntry *current_program;
Uint8 clear_r, clear_g, clear_b, clear_a;
#if SDL_GLES2_USE_VBOS
GLuint vertex_buffers[4];
GLsizeiptr vertex_buffer_size[4];
#endif
} GLES2_DriverContext;
#define GLES2_MAX_CACHED_PROGRAMS 8
@@ -362,14 +392,14 @@ static int
GLES2_UpdateClipRect(SDL_Renderer * renderer)
{
GLES2_DriverContext *data = (GLES2_DriverContext *)renderer->driverdata;
const SDL_Rect *rect = &renderer->clip_rect;
if (SDL_CurrentContext != data->context) {
/* We'll update the clip rect after we rebind the context */
return 0;
}
if (!SDL_RectEmpty(rect)) {
if (renderer->clipping_enabled) {
const SDL_Rect *rect = &renderer->clip_rect;
data->glEnable(GL_SCISSOR_TEST);
data->glScissor(rect->x, renderer->viewport.h - rect->y - rect->h, rect->w, rect->h);
} else {
@@ -433,6 +463,11 @@ GLES2_DestroyRenderer(SDL_Renderer *renderer)
static int GLES2_CreateTexture(SDL_Renderer *renderer, SDL_Texture *texture);
static int GLES2_UpdateTexture(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *rect,
const void *pixels, int pitch);
static int GLES2_UpdateTextureYUV(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect,
const Uint8 *Yplane, int Ypitch,
const Uint8 *Uplane, int Upitch,
const Uint8 *Vplane, int Vpitch);
static int GLES2_LockTexture(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *rect,
void **pixels, int *pitch);
static void GLES2_UnlockTexture(SDL_Renderer *renderer, SDL_Texture *texture);
@@ -465,13 +500,20 @@ GLES2_CreateTexture(SDL_Renderer *renderer, SDL_Texture *texture)
/* Determine the corresponding GLES texture format params */
switch (texture->format)
{
case SDL_PIXELFORMAT_ABGR8888:
case SDL_PIXELFORMAT_ARGB8888:
case SDL_PIXELFORMAT_BGR888:
case SDL_PIXELFORMAT_ABGR8888:
case SDL_PIXELFORMAT_RGB888:
case SDL_PIXELFORMAT_BGR888:
format = GL_RGBA;
type = GL_UNSIGNED_BYTE;
break;
case SDL_PIXELFORMAT_IYUV:
case SDL_PIXELFORMAT_YV12:
case SDL_PIXELFORMAT_NV12:
case SDL_PIXELFORMAT_NV21:
format = GL_LUMINANCE;
type = GL_UNSIGNED_BYTE;
break;
default:
return SDL_SetError("Texture format not supported");
}
@@ -485,12 +527,26 @@ GLES2_CreateTexture(SDL_Renderer *renderer, SDL_Texture *texture)
data->texture_type = GL_TEXTURE_2D;
data->pixel_format = format;
data->pixel_type = type;
data->yuv = ((texture->format == SDL_PIXELFORMAT_IYUV) || (texture->format == SDL_PIXELFORMAT_YV12));
data->nv12 = ((texture->format == SDL_PIXELFORMAT_NV12) || (texture->format == SDL_PIXELFORMAT_NV21));
data->texture_u = 0;
data->texture_v = 0;
scaleMode = GetScaleQuality();
/* Allocate a blob for image renderdata */
if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
size_t size;
data->pitch = texture->w * SDL_BYTESPERPIXEL(texture->format);
data->pixel_data = SDL_calloc(1, data->pitch * texture->h);
size = texture->h * data->pitch;
if (data->yuv) {
/* Need to add size for the U and V planes */
size += (2 * (texture->h * data->pitch) / 4);
}
if (data->nv12) {
/* Need to add size for the U/V plane */
size += ((texture->h * data->pitch) / 2);
}
data->pixel_data = SDL_calloc(1, size);
if (!data->pixel_data) {
SDL_free(data);
return SDL_OutOfMemory();
@@ -499,11 +555,59 @@ GLES2_CreateTexture(SDL_Renderer *renderer, SDL_Texture *texture)
/* Allocate the texture */
GL_CheckError("", renderer);
if (data->yuv) {
renderdata->glGenTextures(1, &data->texture_v);
if (GL_CheckError("glGenTexures()", renderer) < 0) {
return -1;
}
renderdata->glActiveTexture(GL_TEXTURE2);
renderdata->glBindTexture(data->texture_type, data->texture_v);
renderdata->glTexParameteri(data->texture_type, GL_TEXTURE_MIN_FILTER, scaleMode);
renderdata->glTexParameteri(data->texture_type, GL_TEXTURE_MAG_FILTER, scaleMode);
renderdata->glTexParameteri(data->texture_type, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
renderdata->glTexParameteri(data->texture_type, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
renderdata->glTexImage2D(data->texture_type, 0, format, texture->w / 2, texture->h / 2, 0, format, type, NULL);
renderdata->glGenTextures(1, &data->texture_u);
if (GL_CheckError("glGenTexures()", renderer) < 0) {
return -1;
}
renderdata->glActiveTexture(GL_TEXTURE1);
renderdata->glBindTexture(data->texture_type, data->texture_u);
renderdata->glTexParameteri(data->texture_type, GL_TEXTURE_MIN_FILTER, scaleMode);
renderdata->glTexParameteri(data->texture_type, GL_TEXTURE_MAG_FILTER, scaleMode);
renderdata->glTexParameteri(data->texture_type, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
renderdata->glTexParameteri(data->texture_type, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
renderdata->glTexImage2D(data->texture_type, 0, format, texture->w / 2, texture->h / 2, 0, format, type, NULL);
if (GL_CheckError("glTexImage2D()", renderer) < 0) {
return -1;
}
}
if (data->nv12) {
renderdata->glGenTextures(1, &data->texture_u);
if (GL_CheckError("glGenTexures()", renderer) < 0) {
return -1;
}
renderdata->glActiveTexture(GL_TEXTURE1);
renderdata->glBindTexture(data->texture_type, data->texture_u);
renderdata->glTexParameteri(data->texture_type, GL_TEXTURE_MIN_FILTER, scaleMode);
renderdata->glTexParameteri(data->texture_type, GL_TEXTURE_MAG_FILTER, scaleMode);
renderdata->glTexParameteri(data->texture_type, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
renderdata->glTexParameteri(data->texture_type, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
renderdata->glTexImage2D(data->texture_type, 0, GL_LUMINANCE_ALPHA, texture->w / 2, texture->h / 2, 0, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, NULL);
if (GL_CheckError("glTexImage2D()", renderer) < 0) {
return -1;
}
}
renderdata->glGenTextures(1, &data->texture);
if (GL_CheckError("glGenTexures()", renderer) < 0) {
return -1;
}
texture->driverdata = data;
renderdata->glActiveTexture(GL_TEXTURE0);
renderdata->glBindTexture(data->texture_type, data->texture);
renderdata->glTexParameteri(data->texture_type, GL_TEXTURE_MIN_FILTER, scaleMode);
renderdata->glTexParameteri(data->texture_type, GL_TEXTURE_MAG_FILTER, scaleMode);
@@ -523,16 +627,45 @@ GLES2_CreateTexture(SDL_Renderer *renderer, SDL_Texture *texture)
return GL_CheckError("", renderer);
}
static int
GLES2_TexSubImage2D(GLES2_DriverContext *data, GLenum target, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels, GLint pitch, GLint bpp)
{
Uint8 *blob = NULL;
Uint8 *src;
int src_pitch;
int y;
/* Reformat the texture data into a tightly packed array */
src_pitch = width * bpp;
src = (Uint8 *)pixels;
if (pitch != src_pitch) {
blob = (Uint8 *)SDL_malloc(src_pitch * height);
if (!blob) {
return SDL_OutOfMemory();
}
src = blob;
for (y = 0; y < height; ++y)
{
SDL_memcpy(src, pixels, src_pitch);
src += src_pitch;
pixels = (Uint8 *)pixels + pitch;
}
src = blob;
}
data->glTexSubImage2D(target, 0, xoffset, yoffset, width, height, format, type, src);
if (blob) {
SDL_free(blob);
}
return 0;
}
static int
GLES2_UpdateTexture(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *rect,
const void *pixels, int pitch)
{
GLES2_DriverContext *data = (GLES2_DriverContext *)renderer->driverdata;
GLES2_TextureData *tdata = (GLES2_TextureData *)texture->driverdata;
Uint8 *blob = NULL;
Uint8 *src;
int srcPitch;
int y;
GLES2_ActivateRenderer(renderer);
@@ -540,36 +673,113 @@ GLES2_UpdateTexture(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect
if (rect->w <= 0 || rect->h <= 0)
return 0;
/* Reformat the texture data into a tightly packed array */
srcPitch = rect->w * SDL_BYTESPERPIXEL(texture->format);
src = (Uint8 *)pixels;
if (pitch != srcPitch) {
blob = (Uint8 *)SDL_malloc(srcPitch * rect->h);
if (!blob) {
return SDL_OutOfMemory();
}
src = blob;
for (y = 0; y < rect->h; ++y)
{
SDL_memcpy(src, pixels, srcPitch);
src += srcPitch;
pixels = (Uint8 *)pixels + pitch;
}
src = blob;
}
/* Create a texture subimage with the supplied data */
data->glBindTexture(tdata->texture_type, tdata->texture);
data->glTexSubImage2D(tdata->texture_type,
0,
GLES2_TexSubImage2D(data, tdata->texture_type,
rect->x,
rect->y,
rect->w,
rect->h,
tdata->pixel_format,
tdata->pixel_type,
src);
SDL_free(blob);
pixels, pitch, SDL_BYTESPERPIXEL(texture->format));
if (tdata->yuv) {
/* Skip to the correct offset into the next texture */
pixels = (const void*)((const Uint8*)pixels + rect->h * pitch);
if (texture->format == SDL_PIXELFORMAT_YV12) {
data->glBindTexture(tdata->texture_type, tdata->texture_v);
} else {
data->glBindTexture(tdata->texture_type, tdata->texture_u);
}
GLES2_TexSubImage2D(data, tdata->texture_type,
rect->x / 2,
rect->y / 2,
rect->w / 2,
rect->h / 2,
tdata->pixel_format,
tdata->pixel_type,
pixels, pitch / 2, 1);
/* Skip to the correct offset into the next texture */
pixels = (const void*)((const Uint8*)pixels + (rect->h * pitch)/4);
if (texture->format == SDL_PIXELFORMAT_YV12) {
data->glBindTexture(tdata->texture_type, tdata->texture_u);
} else {
data->glBindTexture(tdata->texture_type, tdata->texture_v);
}
GLES2_TexSubImage2D(data, tdata->texture_type,
rect->x / 2,
rect->y / 2,
rect->w / 2,
rect->h / 2,
tdata->pixel_format,
tdata->pixel_type,
pixels, pitch / 2, 1);
}
if (tdata->nv12) {
/* Skip to the correct offset into the next texture */
pixels = (const void*)((const Uint8*)pixels + rect->h * pitch);
data->glBindTexture(tdata->texture_type, tdata->texture_u);
GLES2_TexSubImage2D(data, tdata->texture_type,
rect->x / 2,
rect->y / 2,
rect->w / 2,
rect->h / 2,
GL_LUMINANCE_ALPHA,
GL_UNSIGNED_BYTE,
pixels, pitch, 2);
}
return GL_CheckError("glTexSubImage2D()", renderer);
}
static int
GLES2_UpdateTextureYUV(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect,
const Uint8 *Yplane, int Ypitch,
const Uint8 *Uplane, int Upitch,
const Uint8 *Vplane, int Vpitch)
{
GLES2_DriverContext *data = (GLES2_DriverContext *)renderer->driverdata;
GLES2_TextureData *tdata = (GLES2_TextureData *)texture->driverdata;
GLES2_ActivateRenderer(renderer);
/* Bail out if we're supposed to update an empty rectangle */
if (rect->w <= 0 || rect->h <= 0)
return 0;
data->glBindTexture(tdata->texture_type, tdata->texture_v);
GLES2_TexSubImage2D(data, tdata->texture_type,
rect->x / 2,
rect->y / 2,
rect->w / 2,
rect->h / 2,
tdata->pixel_format,
tdata->pixel_type,
Vplane, Vpitch, 1);
data->glBindTexture(tdata->texture_type, tdata->texture_u);
GLES2_TexSubImage2D(data, tdata->texture_type,
rect->x / 2,
rect->y / 2,
rect->w / 2,
rect->h / 2,
tdata->pixel_format,
tdata->pixel_type,
Uplane, Upitch, 1);
data->glBindTexture(tdata->texture_type, tdata->texture);
GLES2_TexSubImage2D(data, tdata->texture_type,
rect->x,
rect->y,
rect->w,
rect->h,
tdata->pixel_format,
tdata->pixel_type,
Yplane, Ypitch, 1);
return GL_CheckError("glTexSubImage2D()", renderer);
}
@@ -638,6 +848,12 @@ GLES2_DestroyTexture(SDL_Renderer *renderer, SDL_Texture *texture)
if (tdata)
{
data->glDeleteTextures(1, &tdata->texture);
if (tdata->texture_v) {
data->glDeleteTextures(1, &tdata->texture_v);
}
if (tdata->texture_u) {
data->glDeleteTextures(1, &tdata->texture_u);
}
SDL_free(tdata->pixel_data);
SDL_free(tdata);
texture->driverdata = NULL;
@@ -723,6 +939,10 @@ GLES2_CacheProgram(SDL_Renderer *renderer, GLES2_ShaderCacheEntry *vertex,
/* Predetermine locations of uniform variables */
entry->uniform_locations[GLES2_UNIFORM_PROJECTION] =
data->glGetUniformLocation(entry->id, "u_projection");
entry->uniform_locations[GLES2_UNIFORM_TEXTURE_V] =
data->glGetUniformLocation(entry->id, "u_texture_v");
entry->uniform_locations[GLES2_UNIFORM_TEXTURE_U] =
data->glGetUniformLocation(entry->id, "u_texture_u");
entry->uniform_locations[GLES2_UNIFORM_TEXTURE] =
data->glGetUniformLocation(entry->id, "u_texture");
entry->uniform_locations[GLES2_UNIFORM_MODULATION] =
@@ -734,8 +954,10 @@ GLES2_CacheProgram(SDL_Renderer *renderer, GLES2_ShaderCacheEntry *vertex,
entry->color_r = entry->color_g = entry->color_b = entry->color_a = 255;
data->glUseProgram(entry->id);
data->glUniformMatrix4fv(entry->uniform_locations[GLES2_UNIFORM_PROJECTION], 1, GL_FALSE, (GLfloat *)entry->projection);
data->glUniform1i(entry->uniform_locations[GLES2_UNIFORM_TEXTURE_V], 2); /* always texture unit 2. */
data->glUniform1i(entry->uniform_locations[GLES2_UNIFORM_TEXTURE_U], 1); /* always texture unit 1. */
data->glUniform1i(entry->uniform_locations[GLES2_UNIFORM_TEXTURE], 0); /* always texture unit 0. */
data->glUniformMatrix4fv(entry->uniform_locations[GLES2_UNIFORM_PROJECTION], 1, GL_FALSE, (GLfloat *)entry->projection);
data->glUniform4f(entry->uniform_locations[GLES2_UNIFORM_MODULATION], 1.0f, 1.0f, 1.0f, 1.0f);
data->glUniform4f(entry->uniform_locations[GLES2_UNIFORM_COLOR], 1.0f, 1.0f, 1.0f, 1.0f);
@@ -927,6 +1149,15 @@ GLES2_SelectProgram(SDL_Renderer *renderer, GLES2_ImageSource source, SDL_BlendM
case GLES2_IMAGESOURCE_TEXTURE_BGR:
ftype = GLES2_SHADER_FRAGMENT_TEXTURE_BGR_SRC;
break;
case GLES2_IMAGESOURCE_TEXTURE_YUV:
ftype = GLES2_SHADER_FRAGMENT_TEXTURE_YUV_SRC;
break;
case GLES2_IMAGESOURCE_TEXTURE_NV12:
ftype = GLES2_SHADER_FRAGMENT_TEXTURE_NV12_SRC;
break;
case GLES2_IMAGESOURCE_TEXTURE_NV21:
ftype = GLES2_SHADER_FRAGMENT_TEXTURE_NV21_SRC;
break;
default:
goto fault;
}
@@ -1172,6 +1403,33 @@ GLES2_SetDrawingState(SDL_Renderer * renderer)
return 0;
}
static int
GLES2_UpdateVertexBuffer(SDL_Renderer *renderer, GLES2_Attribute attr,
const void *vertexData, size_t dataSizeInBytes)
{
GLES2_DriverContext *data = (GLES2_DriverContext *)renderer->driverdata;
#if !SDL_GLES2_USE_VBOS
data->glVertexAttribPointer(attr, attr == GLES2_ATTRIBUTE_ANGLE ? 1 : 2, GL_FLOAT, GL_FALSE, 0, vertexData);
#else
if (!data->vertex_buffers[attr])
data->glGenBuffers(1, &data->vertex_buffers[attr]);
data->glBindBuffer(GL_ARRAY_BUFFER, data->vertex_buffers[attr]);
if (data->vertex_buffer_size[attr] < dataSizeInBytes) {
data->glBufferData(GL_ARRAY_BUFFER, dataSizeInBytes, vertexData, GL_STREAM_DRAW);
data->vertex_buffer_size[attr] = dataSizeInBytes;
} else {
data->glBufferSubData(GL_ARRAY_BUFFER, 0, dataSizeInBytes, vertexData);
}
data->glVertexAttribPointer(attr, attr == GLES2_ATTRIBUTE_ANGLE ? 1 : 2, GL_FLOAT, GL_FALSE, 0, 0);
#endif
return 0;
}
static int
GLES2_RenderDrawPoints(SDL_Renderer *renderer, const SDL_FPoint *points, int count)
{
@@ -1192,7 +1450,8 @@ GLES2_RenderDrawPoints(SDL_Renderer *renderer, const SDL_FPoint *points, int cou
vertices[idx * 2] = x;
vertices[(idx * 2) + 1] = y;
}
data->glVertexAttribPointer(GLES2_ATTRIBUTE_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);
/*data->glVertexAttribPointer(GLES2_ATTRIBUTE_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);*/
GLES2_UpdateVertexBuffer(renderer, GLES2_ATTRIBUTE_POSITION, vertices, count * 2 * sizeof(GLfloat));
data->glDrawArrays(GL_POINTS, 0, count);
SDL_stack_free(vertices);
return 0;
@@ -1218,7 +1477,8 @@ GLES2_RenderDrawLines(SDL_Renderer *renderer, const SDL_FPoint *points, int coun
vertices[idx * 2] = x;
vertices[(idx * 2) + 1] = y;
}
data->glVertexAttribPointer(GLES2_ATTRIBUTE_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);
/*data->glVertexAttribPointer(GLES2_ATTRIBUTE_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);*/
GLES2_UpdateVertexBuffer(renderer, GLES2_ATTRIBUTE_POSITION, vertices, count * 2 * sizeof(GLfloat));
data->glDrawArrays(GL_LINE_STRIP, 0, count);
/* We need to close the endpoint of the line */
@@ -1259,27 +1519,23 @@ GLES2_RenderFillRects(SDL_Renderer *renderer, const SDL_FRect *rects, int count)
vertices[5] = yMax;
vertices[6] = xMax;
vertices[7] = yMax;
data->glVertexAttribPointer(GLES2_ATTRIBUTE_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);
/*data->glVertexAttribPointer(GLES2_ATTRIBUTE_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);*/
GLES2_UpdateVertexBuffer(renderer, GLES2_ATTRIBUTE_POSITION, vertices, 8 * sizeof(GLfloat));
data->glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}
return GL_CheckError("", renderer);
}
static int
GLES2_RenderCopy(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *srcrect,
const SDL_FRect *dstrect)
GLES2_SetupCopy(SDL_Renderer *renderer, SDL_Texture *texture)
{
GLES2_DriverContext *data = (GLES2_DriverContext *)renderer->driverdata;
GLES2_TextureData *tdata = (GLES2_TextureData *)texture->driverdata;
GLES2_ImageSource sourceType = GLES2_IMAGESOURCE_TEXTURE_ABGR;
SDL_BlendMode blendMode;
GLfloat vertices[8];
GLfloat texCoords[8];
GLES2_ProgramCacheEntry *program;
Uint8 r, g, b, a;
GLES2_ActivateRenderer(renderer);
/* Activate an appropriate shader and set the projection matrix */
blendMode = texture->blendMode;
if (renderer->target) {
@@ -1287,6 +1543,18 @@ GLES2_RenderCopy(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *s
if (renderer->target->format != texture->format) {
switch (texture->format)
{
case SDL_PIXELFORMAT_ARGB8888:
switch (renderer->target->format)
{
case SDL_PIXELFORMAT_ABGR8888:
case SDL_PIXELFORMAT_BGR888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ARGB;
break;
case SDL_PIXELFORMAT_RGB888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ABGR;
break;
}
break;
case SDL_PIXELFORMAT_ABGR8888:
switch (renderer->target->format)
{
@@ -1299,15 +1567,17 @@ GLES2_RenderCopy(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *s
break;
}
break;
case SDL_PIXELFORMAT_ARGB8888:
case SDL_PIXELFORMAT_RGB888:
switch (renderer->target->format)
{
case SDL_PIXELFORMAT_ABGR8888:
case SDL_PIXELFORMAT_BGR888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ARGB;
break;
case SDL_PIXELFORMAT_RGB888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ABGR;
case SDL_PIXELFORMAT_ARGB8888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_BGR;
break;
case SDL_PIXELFORMAT_BGR888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ARGB;
break;
}
break;
@@ -1325,41 +1595,48 @@ GLES2_RenderCopy(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *s
break;
}
break;
case SDL_PIXELFORMAT_RGB888:
switch (renderer->target->format)
{
case SDL_PIXELFORMAT_ABGR8888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ARGB;
break;
case SDL_PIXELFORMAT_ARGB8888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_BGR;
break;
case SDL_PIXELFORMAT_BGR888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ARGB;
break;
}
case SDL_PIXELFORMAT_IYUV:
case SDL_PIXELFORMAT_YV12:
sourceType = GLES2_IMAGESOURCE_TEXTURE_YUV;
break;
case SDL_PIXELFORMAT_NV12:
sourceType = GLES2_IMAGESOURCE_TEXTURE_NV12;
break;
case SDL_PIXELFORMAT_NV21:
sourceType = GLES2_IMAGESOURCE_TEXTURE_NV21;
break;
default:
return SDL_SetError("Unsupported texture format");
}
}
else sourceType = GLES2_IMAGESOURCE_TEXTURE_ABGR; /* Texture formats match, use the non color mapping shader (even if the formats are not ABGR) */
}
else {
} else {
switch (texture->format)
{
case SDL_PIXELFORMAT_ABGR8888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ABGR;
break;
case SDL_PIXELFORMAT_ARGB8888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ARGB;
break;
case SDL_PIXELFORMAT_BGR888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_BGR;
case SDL_PIXELFORMAT_ABGR8888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ABGR;
break;
case SDL_PIXELFORMAT_RGB888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_RGB;
break;
case SDL_PIXELFORMAT_BGR888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_BGR;
break;
case SDL_PIXELFORMAT_IYUV:
case SDL_PIXELFORMAT_YV12:
sourceType = GLES2_IMAGESOURCE_TEXTURE_YUV;
break;
case SDL_PIXELFORMAT_NV12:
sourceType = GLES2_IMAGESOURCE_TEXTURE_NV12;
break;
case SDL_PIXELFORMAT_NV21:
sourceType = GLES2_IMAGESOURCE_TEXTURE_NV21;
break;
default:
return -1;
return SDL_SetError("Unsupported texture format");
}
}
@@ -1368,6 +1645,21 @@ GLES2_RenderCopy(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *s
}
/* Select the target texture */
if (tdata->yuv) {
data->glActiveTexture(GL_TEXTURE2);
data->glBindTexture(tdata->texture_type, tdata->texture_v);
data->glActiveTexture(GL_TEXTURE1);
data->glBindTexture(tdata->texture_type, tdata->texture_u);
data->glActiveTexture(GL_TEXTURE0);
}
if (tdata->nv12) {
data->glActiveTexture(GL_TEXTURE1);
data->glBindTexture(tdata->texture_type, tdata->texture_u);
data->glActiveTexture(GL_TEXTURE0);
}
data->glBindTexture(tdata->texture_type, tdata->texture);
/* Configure color modulation */
@@ -1398,6 +1690,22 @@ GLES2_RenderCopy(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *s
GLES2_SetBlendMode(data, blendMode);
GLES2_SetTexCoords(data, SDL_TRUE);
return 0;
}
static int
GLES2_RenderCopy(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *srcrect,
const SDL_FRect *dstrect)
{
GLES2_DriverContext *data = (GLES2_DriverContext *)renderer->driverdata;
GLfloat vertices[8];
GLfloat texCoords[8];
GLES2_ActivateRenderer(renderer);
if (GLES2_SetupCopy(renderer, texture) < 0) {
return -1;
}
/* Emit the textured quad */
vertices[0] = dstrect->x;
@@ -1408,7 +1716,8 @@ GLES2_RenderCopy(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *s
vertices[5] = (dstrect->y + dstrect->h);
vertices[6] = (dstrect->x + dstrect->w);
vertices[7] = (dstrect->y + dstrect->h);
data->glVertexAttribPointer(GLES2_ATTRIBUTE_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);
/*data->glVertexAttribPointer(GLES2_ATTRIBUTE_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);*/
GLES2_UpdateVertexBuffer(renderer, GLES2_ATTRIBUTE_POSITION, vertices, 8 * sizeof(GLfloat));
texCoords[0] = srcrect->x / (GLfloat)texture->w;
texCoords[1] = srcrect->y / (GLfloat)texture->h;
texCoords[2] = (srcrect->x + srcrect->w) / (GLfloat)texture->w;
@@ -1417,7 +1726,8 @@ GLES2_RenderCopy(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *s
texCoords[5] = (srcrect->y + srcrect->h) / (GLfloat)texture->h;
texCoords[6] = (srcrect->x + srcrect->w) / (GLfloat)texture->w;
texCoords[7] = (srcrect->y + srcrect->h) / (GLfloat)texture->h;
data->glVertexAttribPointer(GLES2_ATTRIBUTE_TEXCOORD, 2, GL_FLOAT, GL_FALSE, 0, texCoords);
/*data->glVertexAttribPointer(GLES2_ATTRIBUTE_TEXCOORD, 2, GL_FLOAT, GL_FALSE, 0, texCoords);*/
GLES2_UpdateVertexBuffer(renderer, GLES2_ATTRIBUTE_TEXCOORD, texCoords, 8 * sizeof(GLfloat));
data->glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
return GL_CheckError("", renderer);
@@ -1428,11 +1738,6 @@ GLES2_RenderCopyEx(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect
const SDL_FRect *dstrect, const double angle, const SDL_FPoint *center, const SDL_RendererFlip flip)
{
GLES2_DriverContext *data = (GLES2_DriverContext *)renderer->driverdata;
GLES2_TextureData *tdata = (GLES2_TextureData *)texture->driverdata;
GLES2_ImageSource sourceType = GLES2_IMAGESOURCE_TEXTURE_ABGR;
GLES2_ProgramCacheEntry *program;
Uint8 r, g, b, a;
SDL_BlendMode blendMode;
GLfloat vertices[8];
GLfloat texCoords[8];
GLfloat translate[8];
@@ -1441,6 +1746,10 @@ GLES2_RenderCopyEx(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect
GLES2_ActivateRenderer(renderer);
if (GLES2_SetupCopy(renderer, texture) < 0) {
return -1;
}
data->glEnableVertexAttribArray(GLES2_ATTRIBUTE_CENTER);
data->glEnableVertexAttribArray(GLES2_ATTRIBUTE_ANGLE);
fAngle[0] = fAngle[1] = fAngle[2] = fAngle[3] = (GLfloat)(360.0f - angle);
@@ -1448,124 +1757,6 @@ GLES2_RenderCopyEx(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect
translate[0] = translate[2] = translate[4] = translate[6] = (center->x + dstrect->x);
translate[1] = translate[3] = translate[5] = translate[7] = (center->y + dstrect->y);
/* Activate an appropriate shader and set the projection matrix */
blendMode = texture->blendMode;
if (renderer->target) {
/* Check if we need to do color mapping between the source and render target textures */
if (renderer->target->format != texture->format) {
switch (texture->format)
{
case SDL_PIXELFORMAT_ABGR8888:
switch (renderer->target->format)
{
case SDL_PIXELFORMAT_ARGB8888:
case SDL_PIXELFORMAT_RGB888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ARGB;
break;
case SDL_PIXELFORMAT_BGR888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ABGR;
break;
}
break;
case SDL_PIXELFORMAT_ARGB8888:
switch (renderer->target->format)
{
case SDL_PIXELFORMAT_ABGR8888:
case SDL_PIXELFORMAT_BGR888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ARGB;
break;
case SDL_PIXELFORMAT_RGB888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ABGR;
break;
}
break;
case SDL_PIXELFORMAT_BGR888:
switch (renderer->target->format)
{
case SDL_PIXELFORMAT_ABGR8888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_BGR;
break;
case SDL_PIXELFORMAT_ARGB8888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_RGB;
break;
case SDL_PIXELFORMAT_RGB888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ARGB;
break;
}
break;
case SDL_PIXELFORMAT_RGB888:
switch (renderer->target->format)
{
case SDL_PIXELFORMAT_ABGR8888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ARGB;
break;
case SDL_PIXELFORMAT_ARGB8888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_BGR;
break;
case SDL_PIXELFORMAT_BGR888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ARGB;
break;
}
break;
}
}
else sourceType = GLES2_IMAGESOURCE_TEXTURE_ABGR; /* Texture formats match, use the non color mapping shader (even if the formats are not ABGR) */
}
else {
switch (texture->format)
{
case SDL_PIXELFORMAT_ABGR8888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ABGR;
break;
case SDL_PIXELFORMAT_ARGB8888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_ARGB;
break;
case SDL_PIXELFORMAT_BGR888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_BGR;
break;
case SDL_PIXELFORMAT_RGB888:
sourceType = GLES2_IMAGESOURCE_TEXTURE_RGB;
break;
default:
return -1;
}
}
if (GLES2_SelectProgram(renderer, sourceType, blendMode) < 0)
return -1;
/* Select the target texture */
data->glBindTexture(tdata->texture_type, tdata->texture);
/* Configure color modulation */
/* !!! FIXME: grep for glUniform4f(), move that stuff to a subroutine, it's a lot of copy/paste. */
g = texture->g;
a = texture->a;
if (renderer->target &&
(renderer->target->format == SDL_PIXELFORMAT_ARGB8888 ||
renderer->target->format == SDL_PIXELFORMAT_RGB888)) {
r = texture->b;
b = texture->r;
} else {
r = texture->r;
b = texture->b;
}
program = data->current_program;
if (!CompareColors(program->modulation_r, program->modulation_g, program->modulation_b, program->modulation_a, r, g, b, a)) {
data->glUniform4f(program->uniform_locations[GLES2_UNIFORM_MODULATION], r * inv255f, g * inv255f, b * inv255f, a * inv255f);
program->modulation_r = r;
program->modulation_g = g;
program->modulation_b = b;
program->modulation_a = a;
}
/* Configure texture blending */
GLES2_SetBlendMode(data, blendMode);
GLES2_SetTexCoords(data, SDL_TRUE);
/* Emit the textured quad */
vertices[0] = dstrect->x;
vertices[1] = dstrect->y;
@@ -1586,9 +1777,13 @@ GLES2_RenderCopyEx(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect
vertices[5] = vertices[7] = tmp;
}
data->glVertexAttribPointer(GLES2_ATTRIBUTE_ANGLE, 1, GL_FLOAT, GL_FALSE, 0, &fAngle);
/*data->glVertexAttribPointer(GLES2_ATTRIBUTE_ANGLE, 1, GL_FLOAT, GL_FALSE, 0, &fAngle);
data->glVertexAttribPointer(GLES2_ATTRIBUTE_CENTER, 2, GL_FLOAT, GL_FALSE, 0, translate);
data->glVertexAttribPointer(GLES2_ATTRIBUTE_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);
data->glVertexAttribPointer(GLES2_ATTRIBUTE_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);*/
GLES2_UpdateVertexBuffer(renderer, GLES2_ATTRIBUTE_ANGLE, fAngle, 4 * sizeof(GLfloat));
GLES2_UpdateVertexBuffer(renderer, GLES2_ATTRIBUTE_CENTER, translate, 8 * sizeof(GLfloat));
GLES2_UpdateVertexBuffer(renderer, GLES2_ATTRIBUTE_POSITION, vertices, 8 * sizeof(GLfloat));
texCoords[0] = srcrect->x / (GLfloat)texture->w;
texCoords[1] = srcrect->y / (GLfloat)texture->h;
@@ -1598,7 +1793,8 @@ GLES2_RenderCopyEx(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect
texCoords[5] = (srcrect->y + srcrect->h) / (GLfloat)texture->h;
texCoords[6] = (srcrect->x + srcrect->w) / (GLfloat)texture->w;
texCoords[7] = (srcrect->y + srcrect->h) / (GLfloat)texture->h;
data->glVertexAttribPointer(GLES2_ATTRIBUTE_TEXCOORD, 2, GL_FLOAT, GL_FALSE, 0, texCoords);
/*data->glVertexAttribPointer(GLES2_ATTRIBUTE_TEXCOORD, 2, GL_FLOAT, GL_FALSE, 0, texCoords);*/
GLES2_UpdateVertexBuffer(renderer, GLES2_ATTRIBUTE_TEXCOORD, texCoords, 8 * sizeof(GLfloat));
data->glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
data->glDisableVertexAttribArray(GLES2_ATTRIBUTE_CENTER);
data->glDisableVertexAttribArray(GLES2_ATTRIBUTE_ANGLE);
@@ -1743,30 +1939,27 @@ GLES2_CreateRenderer(SDL_Window *window, Uint32 flags)
#ifndef ZUNE_HD
GLboolean hasCompiler;
#endif
Uint32 windowFlags;
Uint32 window_flags;
GLint window_framebuffer;
GLint value;
int profile_mask, major, minor;
SDL_bool changed_window = SDL_FALSE;
SDL_GL_GetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, &profile_mask);
SDL_GL_GetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, &major);
SDL_GL_GetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, &minor);
windowFlags = SDL_GetWindowFlags(window);
if (!(windowFlags & SDL_WINDOW_OPENGL) ||
window_flags = SDL_GetWindowFlags(window);
if (!(window_flags & SDL_WINDOW_OPENGL) ||
profile_mask != SDL_GL_CONTEXT_PROFILE_ES || major != RENDERER_CONTEXT_MAJOR || minor != RENDERER_CONTEXT_MINOR) {
changed_window = SDL_TRUE;
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, RENDERER_CONTEXT_MAJOR);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, RENDERER_CONTEXT_MINOR);
if (SDL_RecreateWindow(window, windowFlags | SDL_WINDOW_OPENGL) < 0) {
/* Uh oh, better try to put it back... */
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, profile_mask);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, major);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, minor);
SDL_RecreateWindow(window, windowFlags);
return NULL;
if (SDL_RecreateWindow(window, window_flags | SDL_WINDOW_OPENGL) < 0) {
goto error;
}
}
@@ -1774,14 +1967,14 @@ GLES2_CreateRenderer(SDL_Window *window, Uint32 flags)
renderer = (SDL_Renderer *)SDL_calloc(1, sizeof(SDL_Renderer));
if (!renderer) {
SDL_OutOfMemory();
return NULL;
goto error;
}
data = (GLES2_DriverContext *)SDL_calloc(1, sizeof(GLES2_DriverContext));
if (!data) {
GLES2_DestroyRenderer(renderer);
SDL_OutOfMemory();
return NULL;
goto error;
}
renderer->info = GLES2_RenderDriver.info;
renderer->info.flags = (SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE);
@@ -1790,19 +1983,18 @@ GLES2_CreateRenderer(SDL_Window *window, Uint32 flags)
/* Create an OpenGL ES 2.0 context */
data->context = SDL_GL_CreateContext(window);
if (!data->context)
{
if (!data->context) {
GLES2_DestroyRenderer(renderer);
return NULL;
goto error;
}
if (SDL_GL_MakeCurrent(window, data->context) < 0) {
GLES2_DestroyRenderer(renderer);
return NULL;
goto error;
}
if (GLES2_LoadFunctions(data) < 0) {
GLES2_DestroyRenderer(renderer);
return NULL;
goto error;
}
#if __WINRT__
@@ -1850,7 +2042,7 @@ GLES2_CreateRenderer(SDL_Window *window, Uint32 flags)
{
GLES2_DestroyRenderer(renderer);
SDL_OutOfMemory();
return NULL;
goto error;
}
data->shader_format_count = nFormats;
#ifdef ZUNE_HD
@@ -1869,6 +2061,7 @@ GLES2_CreateRenderer(SDL_Window *window, Uint32 flags)
renderer->WindowEvent = &GLES2_WindowEvent;
renderer->CreateTexture = &GLES2_CreateTexture;
renderer->UpdateTexture = &GLES2_UpdateTexture;
renderer->UpdateTextureYUV = &GLES2_UpdateTextureYUV;
renderer->LockTexture = &GLES2_LockTexture;
renderer->UnlockTexture = &GLES2_UnlockTexture;
renderer->SetRenderTarget = &GLES2_SetRenderTarget;
@@ -1887,9 +2080,24 @@ GLES2_CreateRenderer(SDL_Window *window, Uint32 flags)
renderer->GL_BindTexture = &GLES2_BindTexture;
renderer->GL_UnbindTexture = &GLES2_UnbindTexture;
renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_YV12;
renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_IYUV;
renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_NV12;
renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_NV21;
GLES2_ResetState(renderer);
return renderer;
error:
if (changed_window) {
/* Uh oh, better try to put it back... */
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, profile_mask);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, major);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, minor);
SDL_RecreateWindow(window, window_flags);
}
return NULL;
}
#endif /* SDL_VIDEO_RENDER_OGL_ES2 && !SDL_RENDER_DISABLED */