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107 lines
3.2 KiB
C
107 lines
3.2 KiB
C
// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#ifndef GCOGL_PIXELSHADER_H
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#define GCOGL_PIXELSHADER_H
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#include "VideoCommon.h"
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#include "ShaderGenCommon.h"
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#define I_COLORS "color"
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#define I_KCOLORS "k"
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#define I_ALPHA "alphaRef"
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#define I_TEXDIMS "texdim"
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#define I_ZBIAS "czbias"
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#define I_INDTEXSCALE "cindscale"
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#define I_INDTEXMTX "cindmtx"
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#define I_FOG "cfog"
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#define I_PLIGHTS "cLights"
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#define I_PMATERIALS "cmtrl"
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#define C_COLORMATRIX 0 // 0
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#define C_COLORS 0 // 0
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#define C_KCOLORS (C_COLORS + 4) // 4
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#define C_ALPHA (C_KCOLORS + 4) // 8
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#define C_TEXDIMS (C_ALPHA + 1) // 9
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#define C_ZBIAS (C_TEXDIMS + 8) //17
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#define C_INDTEXSCALE (C_ZBIAS + 2) //19
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#define C_INDTEXMTX (C_INDTEXSCALE + 2) //21
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#define C_FOG (C_INDTEXMTX + 6) //27
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#define C_PLIGHTS (C_FOG + 3)
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#define C_PMATERIALS (C_PLIGHTS + 40)
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#define C_PENVCONST_END (C_PMATERIALS + 4)
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// Different ways to achieve rendering with destination alpha
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enum DSTALPHA_MODE
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{
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DSTALPHA_NONE, // Render normally, without destination alpha
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DSTALPHA_ALPHA_PASS, // Render normally first, then render again for alpha
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DSTALPHA_DUAL_SOURCE_BLEND // Use dual-source blending
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};
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enum ALPHA_PRETEST_RESULT
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{
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ALPHAPT_UNDEFINED, // AlphaTest Result is not defined
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ALPHAPT_ALWAYSFAIL, // Alpha test alway Fail
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ALPHAPT_ALWAYSPASS // Alpha test alway Pass
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};
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struct pixel_shader_uid_data
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{
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u32 components;
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DSTALPHA_MODE dstAlphaMode; // TODO: as u32 :2
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ALPHA_PRETEST_RESULT Pretest; // TODO: As :2
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u32 nIndirectStagesUsed : 8;
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struct {
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u32 numtexgens : 4;
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u32 numtevstages : 4;
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u32 numindstages : 3;
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} genMode;
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u32 fogc_proj_fselfsel : 3;
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struct
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{
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u32 unknown : 1;
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u32 projection : 1; // XF_TEXPROJ_X
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u32 inputform : 2; // XF_TEXINPUT_X
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u32 texgentype : 3; // XF_TEXGEN_X
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u32 sourcerow : 5; // XF_SRCGEOM_X
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u32 embosssourceshift : 3; // what generated texcoord to use
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u32 embosslightshift : 3; // light index that is used
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} texMtxInfo[8];
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struct
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{
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u32 bi0 : 3; // indirect tex stage 0 ntexmap
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u32 bc0 : 3; // indirect tex stage 0 ntexcoord
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u32 bi1 : 3;
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u32 bc1 : 3;
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u32 bi2 : 3;
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u32 bc3 : 3;
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u32 bi4 : 3;
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u32 bc4 : 3;
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} tevindref;
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};
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typedef ShaderUid<pixel_shader_uid_data> PixelShaderUid;
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typedef ShaderCode<pixel_shader_uid_data> PixelShaderCode;
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void GeneratePixelShaderCode(PixelShaderCode& object, DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType, u32 components);
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void GetPixelShaderId(PixelShaderUid& object, DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType, u32 components);
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#endif // GCOGL_PIXELSHADER_H
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