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

112 lines
2.9 KiB
C++

// Copyright (C) 2003 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_VERTEXSHADER_H
#define GCOGL_VERTEXSHADER_H
#include "XFMemory.h"
#include "VideoCommon.h"
#define SHADER_POSMTX_ATTRIB 1
#define SHADER_NORM1_ATTRIB 6
#define SHADER_NORM2_ATTRIB 7
// shader variables
#define I_POSNORMALMATRIX "cpnmtx"
#define I_PROJECTION "cproj"
#define I_MATERIALS "cmtrl"
#define I_LIGHTS "clights"
#define I_TEXMATRICES "ctexmtx"
#define I_TRANSFORMMATRICES "ctrmtx"
#define I_NORMALMATRICES "cnmtx"
#define I_POSTTRANSFORMMATRICES "cpostmtx"
#define I_FOGPARAMS "cfog"
#define C_POSNORMALMATRIX 0
#define C_PROJECTION (C_POSNORMALMATRIX + 6)
#define C_MATERIALS (C_PROJECTION + 4)
#define C_LIGHTS (C_MATERIALS + 4)
#define C_TEXMATRICES (C_LIGHTS + 40)
#define C_TRANSFORMMATRICES (C_TEXMATRICES + 24)
#define C_NORMALMATRICES (C_TRANSFORMMATRICES + 64)
#define C_POSTTRANSFORMMATRICES (C_NORMALMATRICES + 32)
#define C_FOGPARAMS (C_POSTTRANSFORMMATRICES + 64)
class VERTEXSHADERUID
{
public:
u32 values[9];
VERTEXSHADERUID()
{
memset(values, 0, sizeof(values));
}
VERTEXSHADERUID(const VERTEXSHADERUID& r)
{
for (size_t i = 0; i < sizeof(values) / sizeof(u32); ++i)
values[i] = r.values[i];
}
int GetNumValues() const
{
return (((values[0] >> 23) & 0xf) * 3 + 3) / 4 + 3; // numTexGens*3/4+1
}
bool operator <(const VERTEXSHADERUID& _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 VERTEXSHADERUID& _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;
}
};
// components is included in the uid.
const char *GenerateVertexShaderCode(u32 components, API_TYPE api_type);
void GetVertexShaderId(VERTEXSHADERUID *uid, u32 components);
extern VERTEXSHADERUID last_vertex_shader_uid;
#endif // GCOGL_VERTEXSHADER_H