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gzdoom-gles/src/r_draw.h

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// 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;
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extern "C" fixed_t dc_light;
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extern "C" int dc_x;
extern "C" int dc_yl;
extern "C" int dc_yh;
extern "C" fixed_t dc_iscale;
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extern double dc_texturemid;
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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;
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extern "C" BYTE* dc_dest, *dc_destorg;
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extern "C" int dc_count;
extern "C" DWORD vplce[4];
extern "C" DWORD vince[4];
extern "C" BYTE* palookupoffse[4];
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extern "C" fixed_t palookuplight[4];
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extern "C" const BYTE* bufplce[4];
// [RH] Temporary buffer for column drawing
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extern "C" BYTE *dc_temp;
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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);
- removed STACK_ARGS. The only reason this even existed was that ZDoom's original VC projects used __fastcall. The CMake generated project do not, they stick to __cdecl. Since no performance gain can be seen by using __fastcall the best course of action is to just remove all traces of it from the source and forget that it ever existed.
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extern DWORD (*dovline1) ();
extern DWORD (*doprevline1) ();
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#ifdef X64_ASM
#define dovline4 vlinetallasm4
extern "C" void vlinetallasm4();
#else
- removed STACK_ARGS. The only reason this even existed was that ZDoom's original VC projects used __fastcall. The CMake generated project do not, they stick to __cdecl. Since no performance gain can be seen by using __fastcall the best course of action is to just remove all traces of it from the source and forget that it ever existed.
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extern void (*dovline4) ();
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#endif
extern void setupvline (int);
- removed STACK_ARGS. The only reason this even existed was that ZDoom's original VC projects used __fastcall. The CMake generated project do not, they stick to __cdecl. Since no performance gain can be seen by using __fastcall the best course of action is to just remove all traces of it from the source and forget that it ever existed.
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extern DWORD (*domvline1) ();
extern void (*domvline4) ();
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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);
- removed STACK_ARGS. The only reason this even existed was that ZDoom's original VC projects used __fastcall. The CMake generated project do not, they stick to __cdecl. Since no performance gain can be seen by using __fastcall the best course of action is to just remove all traces of it from the source and forget that it ever existed.
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void rt_copy4cols_c (int sx, int yl, int yh);
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Created standalone rgba drawing functions
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void rt_shaded1col_c (int hx, int sx, int yl, int yh);
- removed STACK_ARGS. The only reason this even existed was that ZDoom's original VC projects used __fastcall. The CMake generated project do not, they stick to __cdecl. Since no performance gain can be seen by using __fastcall the best course of action is to just remove all traces of it from the source and forget that it ever existed.
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void rt_shaded4cols_c (int sx, int yl, int yh);
void rt_shaded4cols_asm (int sx, int yl, int yh);
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void rt_map1col_c (int hx, int sx, int yl, int yh);
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void rt_add1col_c (int hx, int sx, int yl, int yh);
void rt_addclamp1col_c (int hx, int sx, int yl, int yh);
void rt_subclamp1col_c (int hx, int sx, int yl, int yh);
void rt_revsubclamp1col_c (int hx, int sx, int yl, int yh);
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void rt_tlate1col_c (int hx, int sx, int yl, int yh);
void rt_tlateadd1col_c (int hx, int sx, int yl, int yh);
void rt_tlateaddclamp1col_c (int hx, int sx, int yl, int yh);
void rt_tlatesubclamp1col_c (int hx, int sx, int yl, int yh);
void rt_tlaterevsubclamp1col_c (int hx, int sx, int yl, int yh);
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- removed STACK_ARGS. The only reason this even existed was that ZDoom's original VC projects used __fastcall. The CMake generated project do not, they stick to __cdecl. Since no performance gain can be seen by using __fastcall the best course of action is to just remove all traces of it from the source and forget that it ever existed.
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void rt_map4cols_c (int sx, int yl, int yh);
void rt_add4cols_c (int sx, int yl, int yh);
void rt_addclamp4cols_c (int sx, int yl, int yh);
Created standalone rgba drawing functions
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void rt_subclamp4cols_c (int sx, int yl, int yh);
void rt_revsubclamp4cols_c (int sx, int yl, int yh);
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Created standalone rgba drawing functions
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void rt_tlate4cols_c (int sx, int yl, int yh);
void rt_tlateadd4cols_c (int sx, int yl, int yh);
void rt_tlateaddclamp4cols_c (int sx, int yl, int yh);
void rt_tlatesubclamp4cols_c (int sx, int yl, int yh);
void rt_tlaterevsubclamp4cols_c (int sx, int yl, int yh);
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void rt_copy1col_asm (int hx, int sx, int yl, int yh);
void rt_map1col_asm (int hx, int sx, int yl, int yh);
- removed STACK_ARGS. The only reason this even existed was that ZDoom's original VC projects used __fastcall. The CMake generated project do not, they stick to __cdecl. Since no performance gain can be seen by using __fastcall the best course of action is to just remove all traces of it from the source and forget that it ever existed.
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void rt_copy4cols_asm (int sx, int yl, int yh);
void rt_map4cols_asm1 (int sx, int yl, int yh);
void rt_map4cols_asm2 (int sx, int yl, int yh);
void rt_add4cols_asm (int sx, int yl, int yh);
void rt_addclamp4cols_asm (int sx, int yl, int yh);
Created standalone rgba drawing functions
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///
void rt_copy1col_RGBA_c (int hx, int sx, int yl, int yh);
void rt_copy4cols_RGBA_c (int sx, int yl, int yh);
void rt_shaded1col_RGBA_c (int hx, int sx, int yl, int yh);
void rt_shaded4cols_RGBA_c (int sx, int yl, int yh);
void rt_map1col_RGBA_c (int hx, int sx, int yl, int yh);
void rt_add1col_RGBA_c (int hx, int sx, int yl, int yh);
void rt_addclamp1col_RGBA_c (int hx, int sx, int yl, int yh);
void rt_subclamp1col_RGBA_c (int hx, int sx, int yl, int yh);
void rt_revsubclamp1col_RGBA_c (int hx, int sx, int yl, int yh);
void rt_tlate1col_RGBA_c (int hx, int sx, int yl, int yh);
void rt_tlateadd1col_RGBA_c (int hx, int sx, int yl, int yh);
void rt_tlateaddclamp1col_RGBA_c (int hx, int sx, int yl, int yh);
void rt_tlatesubclamp1col_RGBA_c (int hx, int sx, int yl, int yh);
void rt_tlaterevsubclamp1col_RGBA_c (int hx, int sx, int yl, int yh);
void rt_map4cols_RGBA_c (int sx, int yl, int yh);
void rt_add4cols_RGBA_c (int sx, int yl, int yh);
void rt_addclamp4cols_RGBA_c (int sx, int yl, int yh);
void rt_subclamp4cols_RGBA_c (int sx, int yl, int yh);
void rt_revsubclamp4cols_RGBA_c (int sx, int yl, int yh);
void rt_tlate4cols_RGBA_c (int sx, int yl, int yh);
void rt_tlateadd4cols_RGBA_c (int sx, int yl, int yh);
void rt_tlateaddclamp4cols_RGBA_c (int sx, int yl, int yh);
void rt_tlatesubclamp4cols_RGBA_c (int sx, int yl, int yh);
void rt_tlaterevsubclamp4cols_RGBA_c (int sx, int yl, int yh);
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}
Created standalone rgba drawing functions
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extern void (*rt_copy1col)(int hx, int sx, int yl, int yh);
extern void (*rt_copy4cols)(int sx, int yl, int yh);
extern void (*rt_shaded1col)(int hx, int sx, int yl, int yh);
extern void (*rt_shaded4cols)(int sx, int yl, int yh);
extern void (*rt_map1col)(int hx, int sx, int yl, int yh);
extern void (*rt_add1col)(int hx, int sx, int yl, int yh);
extern void (*rt_addclamp1col)(int hx, int sx, int yl, int yh);
extern void (*rt_subclamp1col)(int hx, int sx, int yl, int yh);
extern void (*rt_revsubclamp1col)(int hx, int sx, int yl, int yh);
extern void (*rt_tlate1col)(int hx, int sx, int yl, int yh);
extern void (*rt_tlateadd1col)(int hx, int sx, int yl, int yh);
extern void (*rt_tlateaddclamp1col)(int hx, int sx, int yl, int yh);
extern void (*rt_tlatesubclamp1col)(int hx, int sx, int yl, int yh);
extern void (*rt_tlaterevsubclamp1col)(int hx, int sx, int yl, int yh);
- removed STACK_ARGS. The only reason this even existed was that ZDoom's original VC projects used __fastcall. The CMake generated project do not, they stick to __cdecl. Since no performance gain can be seen by using __fastcall the best course of action is to just remove all traces of it from the source and forget that it ever existed.
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extern void (*rt_map4cols)(int sx, int yl, int yh);
Created standalone rgba drawing functions
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extern void (*rt_add4cols)(int sx, int yl, int yh);
extern void (*rt_addclamp4cols)(int sx, int yl, int yh);
extern void (*rt_subclamp4cols)(int sx, int yl, int yh);
extern void (*rt_revsubclamp4cols)(int sx, int yl, int yh);
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Created standalone rgba drawing functions
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extern void (*rt_tlate4cols)(int sx, int yl, int yh);
extern void (*rt_tlateadd4cols)(int sx, int yl, int yh);
extern void (*rt_tlateaddclamp4cols)(int sx, int yl, int yh);
extern void (*rt_tlatesubclamp4cols)(int sx, int yl, int yh);
extern void (*rt_tlaterevsubclamp4cols)(int sx, int yl, int yh);
Removed the need for the pixel_canvas_t typedef
2016-05-31 03:31:32 +00:00
extern void (*rt_initcols)(BYTE *buffer);
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void rt_draw4cols (int sx);
// [RH] Preps the temporary horizontal buffer.
Removed the need for the pixel_canvas_t typedef
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void rt_initcols_pal (BYTE *buffer);
void rt_initcols_rgba (BYTE *buffer);
Created standalone rgba drawing functions
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extern void (*R_DrawFogBoundary)(int x1, int x2, short *uclip, short *dclip);
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Created standalone rgba drawing functions
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void R_DrawFogBoundary_C (int x1, int x2, short *uclip, short *dclip);
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#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);
Created standalone rgba drawing functions
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void R_DrawColumnHorizP_RGBA_C (void);
void R_DrawColumnP_RGBA_C (void);
void R_DrawFuzzColumnP_RGBA_C (void);
void R_DrawTranslatedColumnP_RGBA_C (void);
void R_DrawShadedColumnP_RGBA_C (void);
void R_DrawSpanP_RGBA_C (void);
Make x86 asm aware of swtruecolor
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void R_DrawSpanP_RGBA_SSE (void);
Created standalone rgba drawing functions
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void R_DrawSpanMaskedP_RGBA_C (void);
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#endif
void R_DrawSpanTranslucentP_C (void);
void R_DrawSpanMaskedTranslucentP_C (void);
void R_DrawTlatedLucentColumnP_C (void);
#define R_DrawTlatedLucentColumn R_DrawTlatedLucentColumnP_C
Created standalone rgba drawing functions
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extern void(*R_FillColumn)(void);
extern void(*R_FillAddColumn)(void);
extern void(*R_FillAddClampColumn)(void);
extern void(*R_FillSubClampColumn)(void);
extern void(*R_FillRevSubClampColumn)(void);
extern void(*R_DrawAddColumn)(void);
extern void(*R_DrawTlatedAddColumn)(void);
extern void(*R_DrawAddClampColumn)(void);
extern void(*R_DrawAddClampTranslatedColumn)(void);
extern void(*R_DrawSubClampColumn)(void);
extern void(*R_DrawSubClampTranslatedColumn)(void);
extern void(*R_DrawRevSubClampColumn)(void);
extern void(*R_DrawRevSubClampTranslatedColumn)(void);
extern void(*R_FillSpan)(void);
extern void(*R_FillColumnHoriz)(void);
void R_FillColumnP_C (void);
void R_FillColumnHorizP_C (void);
void R_FillSpan_C (void);
void R_FillColumnHorizP_RGBA_C(void);
void R_FillSpan_RGBA_C(void);
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#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);
Removed the need for the pixel_canvas_t typedef
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extern "C" void R_DrawSlab(int dx, fixed_t v, int dy, fixed_t vi, const BYTE *vptr, BYTE *p);
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extern "C" int ds_y;
extern "C" int ds_x1;
extern "C" int ds_x2;
extern "C" lighttable_t* ds_colormap;
Change render target output from PAL8 to BGRA8
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//extern "C" dsfixed_t ds_light;
#define ds_light dc_light
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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);
- floatification of some alpha parameters.
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inline ESPSResult R_SetPatchStyle(FRenderStyle style, float alpha, int translation, DWORD color)
{
return R_SetPatchStyle(style, FLOAT2FIXED(alpha), translation, color);
}
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// Call this after finished drawing the current thing, in case its
// style was STYLE_Shade
void R_FinishSetPatchStyle ();
Created standalone rgba drawing functions
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extern fixed_t(*tmvline1_add)();
extern void(*tmvline4_add)();
extern fixed_t(*tmvline1_addclamp)();
extern void(*tmvline4_addclamp)();
extern fixed_t(*tmvline1_subclamp)();
extern void(*tmvline4_subclamp)();
extern fixed_t(*tmvline1_revsubclamp)();
extern void(*tmvline4_revsubclamp)();
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// 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);
Renderer floatification: Use floating point for wall scale and yrepeat
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void wallscan (int x1, int x2, short *uwal, short *dwal, float *swal, fixed_t *lwal, double yrepeat, const BYTE *(*getcol)(FTexture *tex, int col)=R_GetColumn);
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// maskwallscan is exactly like wallscan but does not draw anything where the texture is color 0.
Renderer floatification: Use floating point for wall scale and yrepeat
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void maskwallscan (int x1, int x2, short *uwal, short *dwal, float *swal, fixed_t *lwal, double yrepeat, const BYTE *(*getcol)(FTexture *tex, int col)=R_GetColumn);
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// transmaskwallscan is like maskwallscan, but it can also blend to the background
Renderer floatification: Use floating point for wall scale and yrepeat
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void transmaskwallscan (int x1, int x2, short *uwal, short *dwal, float *swal, fixed_t *lwal, double yrepeat, const BYTE *(*getcol)(FTexture *tex, int col)=R_GetColumn);
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Added R_SetColorMapLight and R_SetDSColorMapLight
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// Sets dc_colormap and dc_light to their appropriate values depending on the output format (pal vs true color)
void R_SetColorMapLight(BYTE *base_colormap, float light, int shade);
// Same as R_SetColorMapLight, but for ds_colormap and ds_light
void R_SetDSColorMapLight(BYTE *base_colormap, float light, int shade);
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#endif
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