dolphin/Source/Plugins/Plugin_VideoOGL/Src/VertexLoader.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 _VERTEXLOADER_H
#define _VERTEXLOADER_H
#include "CPMemory.h"
#include "DataReader.h"
#include "NativeVertexFormat.h"
class VertexLoaderUID
{
u32 vid[5];
public:
VertexLoaderUID() {}
void InitFromCurrentState(int vtx_attr_group) {
vid[0] = g_VtxDesc.Hex & 0xFFFFFFFF;
vid[1] = g_VtxDesc.Hex >> 32;
vid[2] = g_VtxAttr[vtx_attr_group].g0.Hex & ~VAT_0_FRACBITS;
vid[3] = g_VtxAttr[vtx_attr_group].g1.Hex & ~VAT_1_FRACBITS;
vid[4] = g_VtxAttr[vtx_attr_group].g2.Hex & ~VAT_2_FRACBITS;
}
bool operator < (const VertexLoaderUID &other) const {
if (vid[0] < other.vid[0])
return true;
else if (vid[0] > other.vid[0])
return false;
for (int i = 1; i < 5; ++i) {
if (vid[i] < other.vid[i])
return true;
else if (vid[i] > other.vid[i])
return false;
}
return false;
}
};
class VertexLoader
{
public:
VertexLoader(const TVtxDesc &vtx_desc, const VAT &vtx_attr);
~VertexLoader();
int GetVertexSize() const {return m_VertexSize;}
void RunVertices(int vtx_attr_group, int primitive, int count);
private:
enum
{
NRM_ZERO = 0,
NRM_ONE = 1,
NRM_THREE = 3,
};
int m_VertexSize; // number of bytes of a raw GC vertex
// GC vertex format
TVtxAttr m_VtxAttr; // VAT decoded into easy format
TVtxDesc m_VtxDesc; // Not really used currently - or well it is, but could be easily avoided.
// PC vertex format
NativeVertexFormat *m_NativeFmt;
int native_stride;
// Pipeline. To be JIT compiled in the future.
TPipelineFunction m_PipelineStages[32]; // TODO - figure out real max. it's lower.
int m_numPipelineStages;
void SetupColor(int num, int _iMode, int _iFormat, int _iElements);
void SetupTexCoord(int num, int _iMode, int _iFormat, int _iElements, int _iFrac);
void SetVAT(u32 _group0, u32 _group1, u32 _group2);
int ComputeVertexSize();
void CompileVertexTranslator();
void WriteCall(TPipelineFunction);
};
#endif