mirror of
https://github.com/id-Software/DOOM-IOS2.git
synced 2026-03-19 16:39:26 +01:00
Initial Commit
This commit is contained in:
Jeff Farrand
207
common/prboom/v_video.h
Executable file
207
common/prboom/v_video.h
Executable file
@@ -0,0 +1,207 @@
|
||||
/* Emacs style mode select -*- C++ -*-
|
||||
*-----------------------------------------------------------------------------
|
||||
*
|
||||
*
|
||||
* PrBoom: a Doom port merged with LxDoom and LSDLDoom
|
||||
* based on BOOM, a modified and improved DOOM engine
|
||||
* Copyright (C) 1999 by
|
||||
* id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
|
||||
* Copyright (C) 1999-2000 by
|
||||
* Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
|
||||
* Copyright 2005, 2006 by
|
||||
* Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version 2
|
||||
* of the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
||||
* 02111-1307, USA.
|
||||
*
|
||||
* DESCRIPTION:
|
||||
* Gamma correction LUT.
|
||||
* Color range translation support
|
||||
* Functions to draw patches (by post) directly to screen.
|
||||
* Functions to blit a block to the screen.
|
||||
*
|
||||
*-----------------------------------------------------------------------------*/
|
||||
|
||||
#ifndef __V_VIDEO__
|
||||
#define __V_VIDEO__
|
||||
|
||||
#include "doomtype.h"
|
||||
#include "doomdef.h"
|
||||
// Needed because we are refering to patches.
|
||||
#include "r_data.h"
|
||||
|
||||
//
|
||||
// VIDEO
|
||||
//
|
||||
|
||||
#define CENTERY (SCREENHEIGHT/2)
|
||||
|
||||
// Screen 0 is the screen updated by I_Update screen.
|
||||
// Screen 1 is an extra buffer.
|
||||
|
||||
// array of pointers to color translation tables
|
||||
extern const byte *colrngs[];
|
||||
|
||||
// symbolic indices into color translation table pointer array
|
||||
typedef enum
|
||||
{
|
||||
CR_BRICK, //0
|
||||
CR_TAN, //1
|
||||
CR_GRAY, //2
|
||||
CR_GREEN, //3
|
||||
CR_BROWN, //4
|
||||
CR_GOLD, //5
|
||||
CR_RED, //6
|
||||
CR_BLUE, //7
|
||||
CR_ORANGE, //8
|
||||
CR_YELLOW, //9
|
||||
CR_BLUE2, //10 // proff
|
||||
CR_LIMIT //11 //jff 2/27/98 added for range check
|
||||
} crange_idx_e;
|
||||
//jff 1/16/98 end palette color range additions
|
||||
|
||||
#define CR_DEFAULT CR_RED /* default value for out of range colors */
|
||||
|
||||
typedef struct {
|
||||
byte *data; // pointer to the screen content
|
||||
boolean not_on_heap; // if set, no malloc or free is preformed and
|
||||
// data never set to NULL. Used i.e. with SDL doublebuffer.
|
||||
int width; // the width of the surface
|
||||
int height; // the height of the surface, used when mallocing
|
||||
int byte_pitch; // tha actual width of one line, used when mallocing
|
||||
int short_pitch; // tha actual width of one line, used when mallocing
|
||||
int int_pitch; // tha actual width of one line, used when mallocing
|
||||
} screeninfo_t;
|
||||
|
||||
#define NUM_SCREENS 6
|
||||
extern screeninfo_t screens[NUM_SCREENS];
|
||||
extern int usegamma;
|
||||
|
||||
// Varying bit-depth support -POPE
|
||||
//
|
||||
// For bilinear filtering, each palette color is pre-weighted and put in a
|
||||
// table for fast blending operations. These macros decide how many weights
|
||||
// to create for each color. The lower the number, the lower the blend
|
||||
// accuracy, which can produce very bad artifacts in texture filtering.
|
||||
#define VID_NUMCOLORWEIGHTS 64
|
||||
#define VID_COLORWEIGHTMASK (VID_NUMCOLORWEIGHTS-1)
|
||||
#define VID_COLORWEIGHTBITS 6
|
||||
|
||||
// Palettes for converting from 8 bit color to 16 and 32 bit. Also
|
||||
// contains the weighted versions of each palette color for filtering
|
||||
// operations
|
||||
extern unsigned short *V_Palette15;
|
||||
extern unsigned short *V_Palette16;
|
||||
extern unsigned int *V_Palette32;
|
||||
|
||||
#define VID_PAL15(color, weight) V_Palette15[ (color)*VID_NUMCOLORWEIGHTS + (weight) ]
|
||||
#define VID_PAL16(color, weight) V_Palette16[ (color)*VID_NUMCOLORWEIGHTS + (weight) ]
|
||||
#define VID_PAL32(color, weight) V_Palette32[ (color)*VID_NUMCOLORWEIGHTS + (weight) ]
|
||||
|
||||
// The available bit-depth modes
|
||||
typedef enum {
|
||||
VID_MODE8,
|
||||
VID_MODE15,
|
||||
VID_MODE16,
|
||||
VID_MODE32,
|
||||
VID_MODEGL,
|
||||
VID_MODEMAX
|
||||
} video_mode_t;
|
||||
|
||||
extern const char *default_videomode;
|
||||
|
||||
void V_InitMode(video_mode_t mode);
|
||||
|
||||
// video mode query interface
|
||||
video_mode_t V_GetMode(void);
|
||||
int V_GetModePixelDepth(video_mode_t mode);
|
||||
int V_GetNumPixelBits(void);
|
||||
int V_GetPixelDepth(void);
|
||||
|
||||
//jff 4/24/98 loads color translation lumps
|
||||
void V_InitColorTranslation(void);
|
||||
|
||||
// Allocates buffer screens, call before R_Init.
|
||||
void V_Init (void);
|
||||
|
||||
// V_CopyRect
|
||||
typedef void (*V_CopyRect_f)(int srcx, int srcy, int srcscrn,
|
||||
int width, int height,
|
||||
int destx, int desty, int destscrn,
|
||||
enum patch_translation_e flags);
|
||||
extern V_CopyRect_f V_CopyRect;
|
||||
|
||||
// V_FillRect
|
||||
typedef void (*V_FillRect_f)(int scrn, int x, int y,
|
||||
int width, int height, byte colour);
|
||||
extern V_FillRect_f V_FillRect;
|
||||
|
||||
// CPhipps - patch drawing
|
||||
// Consolidated into the 3 really useful functions:
|
||||
|
||||
// V_DrawNumPatch - Draws the patch from lump num
|
||||
typedef void (*V_DrawNumPatch_f)(int x, int y, int scrn,
|
||||
int lump, int cm,
|
||||
enum patch_translation_e flags);
|
||||
extern V_DrawNumPatch_f V_DrawNumPatch;
|
||||
|
||||
// V_DrawNamePatch - Draws the patch from lump "name"
|
||||
#define V_DrawNamePatch(x,y,s,n,t,f) V_DrawNumPatch(x,y,s,W_GetNumForName(n),t,f)
|
||||
|
||||
/* cph -
|
||||
* Functions to return width & height of a patch.
|
||||
* Doesn't really belong here, but is often used in conjunction with
|
||||
* this code.
|
||||
*/
|
||||
#define V_NamePatchWidth(name) R_NumPatchWidth(W_GetNumForName(name))
|
||||
#define V_NamePatchHeight(name) R_NumPatchHeight(W_GetNumForName(name))
|
||||
|
||||
/* cphipps 10/99: function to tile a flat over the screen */
|
||||
typedef void (*V_DrawBackground_f)(const char* flatname, int scrn);
|
||||
extern V_DrawBackground_f V_DrawBackground;
|
||||
|
||||
void V_DestroyUnusedTrueColorPalettes(void);
|
||||
// CPhipps - function to set the palette to palette number pal.
|
||||
void V_SetPalette(int pal);
|
||||
|
||||
// CPhipps - function to plot a pixel
|
||||
|
||||
// V_PlotPixel
|
||||
typedef void (*V_PlotPixel_f)(int,int,int,byte);
|
||||
extern V_PlotPixel_f V_PlotPixel;
|
||||
|
||||
typedef struct
|
||||
{
|
||||
int x, y;
|
||||
} fpoint_t;
|
||||
|
||||
typedef struct
|
||||
{
|
||||
fpoint_t a, b;
|
||||
} fline_t;
|
||||
|
||||
// V_DrawLine
|
||||
typedef void (*V_DrawLine_f)(fline_t* fl, int color);
|
||||
extern V_DrawLine_f V_DrawLine;
|
||||
|
||||
void V_AllocScreen(screeninfo_t *scrn);
|
||||
void V_AllocScreens();
|
||||
void V_FreeScreen(screeninfo_t *scrn);
|
||||
void V_FreeScreens();
|
||||
|
||||
#ifdef GL_DOOM
|
||||
#include "gl_struct.h"
|
||||
#endif
|
||||
#endif
|
||||
Reference in New Issue
Block a user