dolphin/Source/Core/VideoCommon/Src/PixelShaderGen.h

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// Copyright (C) 2003-2008 Dolphin Project.
// 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, version 2.0.
// 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifndef GCOGL_PIXELSHADER
#define GCOGL_PIXELSHADER
#include "Common.h"
#define I_COLORS "color"
#define I_KCOLORS "k"
#define I_ALPHA "alphaRef"
#define I_TEXDIMS "texdim"
#define I_ZBIAS "czbias"
#define I_INDTEXSCALE "cindscale"
#define I_INDTEXMTX "cindmtx"
#define C_COLORS 0
#define C_KCOLORS (C_COLORS+4)
#define C_ALPHA (C_KCOLORS+4)
#define C_TEXDIMS (C_ALPHA+1)
#define C_ZBIAS (C_TEXDIMS+8)
#define C_INDTEXSCALE (C_ZBIAS+2)
#define C_INDTEXMTX (C_INDTEXSCALE+2)
#define C_ENVCONST_END (C_INDTEXMTX+6)
#define C_COLORMATRIX (C_INDTEXMTX+6)
class PIXELSHADERUID
{
public:
u32 values[4+32+6+11];
u16 tevstages, indstages;
PIXELSHADERUID() {
memset(values, 0, (4+32+6+11) * 4);
tevstages = indstages = 0;
}
PIXELSHADERUID(const PIXELSHADERUID& r)
{
tevstages = r.tevstages;
indstages = r.indstages;
int N = tevstages + indstages + 3;
_assert_(N <= 4+32+6+11);
for (int i = 0; i < N; ++i)
values[i] = r.values[i];
}
int GetNumValues() const {
return tevstages + indstages + 3; // numTevStages*3/2+1
}
bool operator <(const PIXELSHADERUID& _Right) const
{
if (values[0] < _Right.values[0])
return true;
else if (values[0] > _Right.values[0])
return false;
int N = GetNumValues();
for (int i = 1; i < N; ++i) {
if (values[i] < _Right.values[i])
return true;
else if (values[i] > _Right.values[i])
return false;
}
return false;
}
bool operator ==(const PIXELSHADERUID& _Right) const
{
if (values[0] != _Right.values[0])
return false;
int N = GetNumValues();
for (int i = 1; i < N; ++i) {
if (values[i] != _Right.values[i])
return false;
}
return true;
}
};
const char *GeneratePixelShader(u32 texture_mask, bool has_zbuffer_target, bool bRenderZToCol0);
void GetPixelShaderId(PIXELSHADERUID &, u32 s_texturemask, u32 zbufrender, u32 zBufRenderToCol0);
#endif