mirror of
https://github.com/ZDoom/gzdoom-gles.git
synced 2024-11-14 16:41:13 +00:00
292 lines
9.7 KiB
C++
292 lines
9.7 KiB
C++
// Emacs style mode select -*- C++ -*-
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// $Id:$
|
|
//
|
|
// Copyright (C) 1993-1996 by id Software, Inc.
|
|
//
|
|
// This source is available for distribution and/or modification
|
|
// only under the terms of the DOOM Source Code License as
|
|
// published by id Software. All rights reserved.
|
|
//
|
|
// The source is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
|
|
// for more details.
|
|
//
|
|
// DESCRIPTION:
|
|
// System specific interface stuff.
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
|
|
#ifndef __R_DRAW__
|
|
#define __R_DRAW__
|
|
|
|
#include "r_defs.h"
|
|
|
|
extern "C" int ylookup[MAXHEIGHT];
|
|
|
|
extern "C" int dc_pitch; // [RH] Distance between rows
|
|
|
|
extern "C" lighttable_t*dc_colormap;
|
|
extern "C" int dc_x;
|
|
extern "C" int dc_yl;
|
|
extern "C" int dc_yh;
|
|
extern "C" fixed_t dc_iscale;
|
|
extern "C" fixed_t dc_texturemid;
|
|
extern "C" fixed_t dc_texturefrac;
|
|
extern "C" int dc_color; // [RH] For flat colors (no texturing)
|
|
extern "C" DWORD dc_srccolor;
|
|
extern "C" DWORD *dc_srcblend;
|
|
extern "C" DWORD *dc_destblend;
|
|
|
|
// first pixel in a column
|
|
extern "C" const BYTE* dc_source;
|
|
|
|
extern "C" BYTE *dc_dest, *dc_destorg;
|
|
extern "C" int dc_count;
|
|
|
|
extern "C" DWORD vplce[4];
|
|
extern "C" DWORD vince[4];
|
|
extern "C" BYTE* palookupoffse[4];
|
|
extern "C" const BYTE* bufplce[4];
|
|
|
|
// [RH] Temporary buffer for column drawing
|
|
extern "C" BYTE *dc_temp;
|
|
extern "C" unsigned int dc_tspans[4][MAXHEIGHT];
|
|
extern "C" unsigned int *dc_ctspan[4];
|
|
extern "C" unsigned int horizspans[4];
|
|
|
|
|
|
// [RH] Pointers to the different column and span drawers...
|
|
|
|
// The span blitting interface.
|
|
// Hook in assembler or system specific BLT here.
|
|
extern void (*R_DrawColumn)(void);
|
|
|
|
extern DWORD (STACK_ARGS *dovline1) ();
|
|
extern DWORD (STACK_ARGS *doprevline1) ();
|
|
#ifdef X64_ASM
|
|
#define dovline4 vlinetallasm4
|
|
extern "C" void vlinetallasm4();
|
|
#else
|
|
extern void (STACK_ARGS *dovline4) ();
|
|
#endif
|
|
extern void setupvline (int);
|
|
|
|
extern DWORD (STACK_ARGS *domvline1) ();
|
|
extern void (STACK_ARGS *domvline4) ();
|
|
extern void setupmvline (int);
|
|
|
|
extern void setuptmvline (int);
|
|
|
|
// The Spectre/Invisibility effect.
|
|
extern void (*R_DrawFuzzColumn)(void);
|
|
|
|
// [RH] Draw shaded column
|
|
extern void (*R_DrawShadedColumn)(void);
|
|
|
|
// Draw with color translation tables, for player sprite rendering,
|
|
// Green/Red/Blue/Indigo shirts.
|
|
extern void (*R_DrawTranslatedColumn)(void);
|
|
|
|
// Span drawing for rows, floor/ceiling. No Spectre effect needed.
|
|
extern void (*R_DrawSpan)(void);
|
|
void R_SetupSpanBits(FTexture *tex);
|
|
void R_SetSpanColormap(BYTE *colormap);
|
|
void R_SetSpanSource(const BYTE *pixels);
|
|
|
|
// Span drawing for masked textures.
|
|
extern void (*R_DrawSpanMasked)(void);
|
|
|
|
// Span drawing for translucent textures.
|
|
extern void (*R_DrawSpanTranslucent)(void);
|
|
|
|
// Span drawing for masked, translucent textures.
|
|
extern void (*R_DrawSpanMaskedTranslucent)(void);
|
|
|
|
// Span drawing for translucent, additive textures.
|
|
extern void (*R_DrawSpanAddClamp)(void);
|
|
|
|
// Span drawing for masked, translucent, additive textures.
|
|
extern void (*R_DrawSpanMaskedAddClamp)(void);
|
|
|
|
// [RH] Span blit into an interleaved intermediate buffer
|
|
extern void (*R_DrawColumnHoriz)(void);
|
|
void R_DrawMaskedColumnHoriz (const BYTE *column, const FTexture::Span *spans);
|
|
|
|
// [RH] Initialize the above pointers
|
|
void R_InitColumnDrawers ();
|
|
|
|
// [RH] Moves data from the temporary buffer to the screen.
|
|
extern "C"
|
|
{
|
|
void rt_copy1col_c (int hx, int sx, int yl, int yh);
|
|
void STACK_ARGS rt_copy4cols_c (int sx, int yl, int yh);
|
|
|
|
void rt_shaded1col (int hx, int sx, int yl, int yh);
|
|
void STACK_ARGS rt_shaded4cols_c (int sx, int yl, int yh);
|
|
void STACK_ARGS rt_shaded4cols_asm (int sx, int yl, int yh);
|
|
|
|
void rt_map1col_c (int hx, int sx, int yl, int yh);
|
|
void rt_add1col (int hx, int sx, int yl, int yh);
|
|
void rt_addclamp1col (int hx, int sx, int yl, int yh);
|
|
void rt_subclamp1col (int hx, int sx, int yl, int yh);
|
|
void rt_revsubclamp1col (int hx, int sx, int yl, int yh);
|
|
|
|
void rt_tlate1col (int hx, int sx, int yl, int yh);
|
|
void rt_tlateadd1col (int hx, int sx, int yl, int yh);
|
|
void rt_tlateaddclamp1col (int hx, int sx, int yl, int yh);
|
|
void rt_tlatesubclamp1col (int hx, int sx, int yl, int yh);
|
|
void rt_tlaterevsubclamp1col (int hx, int sx, int yl, int yh);
|
|
|
|
void STACK_ARGS rt_map4cols_c (int sx, int yl, int yh);
|
|
void STACK_ARGS rt_add4cols_c (int sx, int yl, int yh);
|
|
void STACK_ARGS rt_addclamp4cols_c (int sx, int yl, int yh);
|
|
void STACK_ARGS rt_subclamp4cols (int sx, int yl, int yh);
|
|
void STACK_ARGS rt_revsubclamp4cols (int sx, int yl, int yh);
|
|
|
|
void STACK_ARGS rt_tlate4cols (int sx, int yl, int yh);
|
|
void STACK_ARGS rt_tlateadd4cols (int sx, int yl, int yh);
|
|
void STACK_ARGS rt_tlateaddclamp4cols (int sx, int yl, int yh);
|
|
void STACK_ARGS rt_tlatesubclamp4cols (int sx, int yl, int yh);
|
|
void STACK_ARGS rt_tlaterevsubclamp4cols (int sx, int yl, int yh);
|
|
|
|
void rt_copy1col_asm (int hx, int sx, int yl, int yh);
|
|
void rt_map1col_asm (int hx, int sx, int yl, int yh);
|
|
|
|
void STACK_ARGS rt_copy4cols_asm (int sx, int yl, int yh);
|
|
void STACK_ARGS rt_map4cols_asm1 (int sx, int yl, int yh);
|
|
void STACK_ARGS rt_map4cols_asm2 (int sx, int yl, int yh);
|
|
void STACK_ARGS rt_add4cols_asm (int sx, int yl, int yh);
|
|
void STACK_ARGS rt_addclamp4cols_asm (int sx, int yl, int yh);
|
|
}
|
|
|
|
extern void (STACK_ARGS *rt_map4cols)(int sx, int yl, int yh);
|
|
|
|
#ifdef X86_ASM
|
|
#define rt_copy1col rt_copy1col_asm
|
|
#define rt_copy4cols rt_copy4cols_asm
|
|
#define rt_map1col rt_map1col_asm
|
|
#define rt_shaded4cols rt_shaded4cols_asm
|
|
#define rt_add4cols rt_add4cols_asm
|
|
#define rt_addclamp4cols rt_addclamp4cols_asm
|
|
#else
|
|
#define rt_copy1col rt_copy1col_c
|
|
#define rt_copy4cols rt_copy4cols_c
|
|
#define rt_map1col rt_map1col_c
|
|
#define rt_shaded4cols rt_shaded4cols_c
|
|
#define rt_add4cols rt_add4cols_c
|
|
#define rt_addclamp4cols rt_addclamp4cols_c
|
|
#endif
|
|
|
|
void rt_draw4cols (int sx);
|
|
|
|
// [RH] Preps the temporary horizontal buffer.
|
|
void rt_initcols (BYTE *buffer=NULL);
|
|
|
|
void R_DrawFogBoundary (int x1, int x2, short *uclip, short *dclip);
|
|
|
|
|
|
#ifdef X86_ASM
|
|
|
|
extern "C" void R_DrawColumnP_Unrolled (void);
|
|
extern "C" void R_DrawColumnHorizP_ASM (void);
|
|
extern "C" void R_DrawColumnP_ASM (void);
|
|
extern "C" void R_DrawFuzzColumnP_ASM (void);
|
|
void R_DrawTranslatedColumnP_C (void);
|
|
void R_DrawShadedColumnP_C (void);
|
|
extern "C" void R_DrawSpanP_ASM (void);
|
|
extern "C" void R_DrawSpanMaskedP_ASM (void);
|
|
|
|
#else
|
|
|
|
void R_DrawColumnHorizP_C (void);
|
|
void R_DrawColumnP_C (void);
|
|
void R_DrawFuzzColumnP_C (void);
|
|
void R_DrawTranslatedColumnP_C (void);
|
|
void R_DrawShadedColumnP_C (void);
|
|
void R_DrawSpanP_C (void);
|
|
void R_DrawSpanMaskedP_C (void);
|
|
|
|
#endif
|
|
|
|
void R_DrawSpanTranslucentP_C (void);
|
|
void R_DrawSpanMaskedTranslucentP_C (void);
|
|
|
|
void R_DrawTlatedLucentColumnP_C (void);
|
|
#define R_DrawTlatedLucentColumn R_DrawTlatedLucentColumnP_C
|
|
|
|
void R_FillColumnP (void);
|
|
void R_FillColumnHorizP (void);
|
|
void R_FillSpan (void);
|
|
|
|
#ifdef X86_ASM
|
|
#define R_SetupDrawSlab R_SetupDrawSlabA
|
|
#define R_DrawSlab R_DrawSlabA
|
|
#else
|
|
#define R_SetupDrawSlab R_SetupDrawSlabC
|
|
#define R_DrawSlab R_DrawSlabC
|
|
#endif
|
|
|
|
extern "C" void R_SetupDrawSlab(const BYTE *colormap);
|
|
extern "C" void STACK_ARGS R_DrawSlab(int dx, fixed_t v, int dy, fixed_t vi, const BYTE *vptr, BYTE *p);
|
|
|
|
extern "C" int ds_y;
|
|
extern "C" int ds_x1;
|
|
extern "C" int ds_x2;
|
|
|
|
extern "C" lighttable_t* ds_colormap;
|
|
|
|
extern "C" dsfixed_t ds_xfrac;
|
|
extern "C" dsfixed_t ds_yfrac;
|
|
extern "C" dsfixed_t ds_xstep;
|
|
extern "C" dsfixed_t ds_ystep;
|
|
extern "C" int ds_xbits;
|
|
extern "C" int ds_ybits;
|
|
extern "C" fixed_t ds_alpha;
|
|
|
|
// start of a 64*64 tile image
|
|
extern "C" const BYTE* ds_source;
|
|
|
|
extern "C" int ds_color; // [RH] For flat color (no texturing)
|
|
|
|
extern BYTE shadetables[/*NUMCOLORMAPS*16*256*/];
|
|
extern FDynamicColormap ShadeFakeColormap[16];
|
|
extern BYTE identitymap[256];
|
|
extern BYTE *dc_translation;
|
|
|
|
// [RH] Added for muliresolution support
|
|
void R_InitShadeMaps();
|
|
void R_InitFuzzTable (int fuzzoff);
|
|
|
|
// [RH] Consolidate column drawer selection
|
|
enum ESPSResult
|
|
{
|
|
DontDraw, // not useful to draw this
|
|
DoDraw0, // draw this as if r_columnmethod is 0
|
|
DoDraw1, // draw this as if r_columnmethod is 1
|
|
};
|
|
ESPSResult R_SetPatchStyle (FRenderStyle style, fixed_t alpha, int translation, DWORD color);
|
|
|
|
// Call this after finished drawing the current thing, in case its
|
|
// style was STYLE_Shade
|
|
void R_FinishSetPatchStyle ();
|
|
|
|
// transmaskwallscan calls this to find out what column drawers to use
|
|
bool R_GetTransMaskDrawers (fixed_t (**tmvline1)(), void (**tmvline4)());
|
|
|
|
// Retrieve column data for wallscan. Should probably be removed
|
|
// to just use the texture's GetColumn() method. It just exists
|
|
// for double-layer skies.
|
|
const BYTE *R_GetColumn (FTexture *tex, int col);
|
|
void wallscan (int x1, int x2, short *uwal, short *dwal, fixed_t *swal, fixed_t *lwal, fixed_t yrepeat, const BYTE *(*getcol)(FTexture *tex, int col)=R_GetColumn);
|
|
|
|
// maskwallscan is exactly like wallscan but does not draw anything where the texture is color 0.
|
|
void maskwallscan (int x1, int x2, short *uwal, short *dwal, fixed_t *swal, fixed_t *lwal, fixed_t yrepeat, const BYTE *(*getcol)(FTexture *tex, int col)=R_GetColumn);
|
|
|
|
// transmaskwallscan is like maskwallscan, but it can also blend to the background
|
|
void transmaskwallscan (int x1, int x2, short *uwal, short *dwal, fixed_t *swal, fixed_t *lwal, fixed_t yrepeat, const BYTE *(*getcol)(FTexture *tex, int col)=R_GetColumn);
|
|
|
|
#endif
|