96 lines
2.7 KiB
C++
96 lines
2.7 KiB
C++
// Copyright (C) 2003-2008 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 _VERTEXLOADER_H
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#define _VERTEXLOADER_H
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#include "CPMemory.h"
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#include "DataReader.h"
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#include "NativeVertexFormat.h"
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class VertexLoaderUID
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{
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u32 vid[5];
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public:
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VertexLoaderUID() {}
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void InitFromCurrentState(int vtx_attr_group) {
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vid[0] = g_VtxDesc.Hex & 0xFFFFFFFF;
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vid[1] = g_VtxDesc.Hex >> 32;
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vid[2] = g_VtxAttr[vtx_attr_group].g0.Hex & ~VAT_0_FRACBITS;
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vid[3] = g_VtxAttr[vtx_attr_group].g1.Hex & ~VAT_1_FRACBITS;
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vid[4] = g_VtxAttr[vtx_attr_group].g2.Hex & ~VAT_2_FRACBITS;
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}
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bool operator < (const VertexLoaderUID &other) const {
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if (vid[0] < other.vid[0])
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return true;
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else if (vid[0] > other.vid[0])
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return false;
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for (int i = 1; i < 5; ++i) {
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if (vid[i] < other.vid[i])
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return true;
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else if (vid[i] > other.vid[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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};
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class VertexLoader
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{
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public:
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VertexLoader(const TVtxDesc &vtx_desc, const VAT &vtx_attr);
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~VertexLoader();
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int GetVertexSize() const {return m_VertexSize;}
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void RunVertices(int vtx_attr_group, int primitive, int count);
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private:
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enum
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{
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NRM_ZERO = 0,
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NRM_ONE = 1,
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NRM_THREE = 3,
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};
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int m_VertexSize; // number of bytes of a raw GC vertex
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// GC vertex format
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TVtxAttr m_VtxAttr; // VAT decoded into easy format
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TVtxDesc m_VtxDesc; // Not really used currently - or well it is, but could be easily avoided.
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// PC vertex format
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NativeVertexFormat *m_NativeFmt;
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int native_stride;
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// Pipeline. To be JIT compiled in the future.
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TPipelineFunction m_PipelineStages[32]; // TODO - figure out real max. it's lower.
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int m_numPipelineStages;
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void SetupColor(int num, int _iMode, int _iFormat, int _iElements);
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void SetupTexCoord(int num, int _iMode, int _iFormat, int _iElements, int _iFrac);
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void SetVAT(u32 _group0, u32 _group1, u32 _group2);
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int ComputeVertexSize();
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void CompileVertexTranslator();
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void WriteCall(TPipelineFunction);
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};
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#endif
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