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