230 lines
7.2 KiB
C++
230 lines
7.2 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 <vector>
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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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using namespace std;
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#include "CPMemory.h"
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#define LOADERDECL __cdecl
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typedef void (LOADERDECL *TPipelineFunction)(void*);
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/// Use to manage loading and setting vertex buffer data for OpenGL
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class VertexLoader
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{
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public:
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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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// m_components
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enum {
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VB_HAS_POSMTXIDX =(1<<1),
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VB_HAS_TEXMTXIDX0=(1<<2),
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VB_HAS_TEXMTXIDX1=(1<<3),
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VB_HAS_TEXMTXIDX2=(1<<4),
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VB_HAS_TEXMTXIDX3=(1<<5),
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VB_HAS_TEXMTXIDX4=(1<<6),
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VB_HAS_TEXMTXIDX5=(1<<7),
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VB_HAS_TEXMTXIDX6=(1<<8),
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VB_HAS_TEXMTXIDX7=(1<<9),
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VB_HAS_TEXMTXIDXALL=(0xff<<2),
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//VB_HAS_POS=0, // Implied, it always has pos! don't bother testing
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VB_HAS_NRM0=(1<<10),
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VB_HAS_NRM1=(1<<11),
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VB_HAS_NRM2=(1<<12),
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VB_HAS_NRMALL=(7<<10),
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VB_HAS_COL0=(1<<13),
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VB_HAS_COL1=(1<<14),
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VB_HAS_UV0=(1<<15),
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VB_HAS_UV1=(1<<16),
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VB_HAS_UV2=(1<<17),
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VB_HAS_UV3=(1<<18),
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VB_HAS_UV4=(1<<19),
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VB_HAS_UV5=(1<<20),
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VB_HAS_UV6=(1<<21),
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VB_HAS_UV7=(1<<22),
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VB_HAS_UVALL=(0xff<<15),
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VB_HAS_UVTEXMTXSHIFT=13,
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};
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private:
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TPipelineFunction m_PipelineStates[32];
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int m_numPipelineStates;
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int m_VertexSize; // number of bytes of a raw vertex
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int m_counter;
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int m_VBVertexStride, m_VBStridePad; // stride of a vertex to send to the GPU
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u32 m_components; // VB_HAS_X
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UVAT_group0 m_group0;
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UVAT_group1 m_group1;
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UVAT_group2 m_group2;
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vector<int> m_vtexmap; // tex index map
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TVtxAttr m_VtxAttr; //Decoded into easy format
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u8* m_compiledCode;
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//common for all loaders
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TVtxDesc m_VtxDesc;
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// seup the pipeline with this vertex fmt
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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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int m_AttrDirty;
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public:
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// constructor
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VertexLoader();
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~VertexLoader();
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// run the pipeline
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void ProcessFormat();
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void PrepareRun();
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void RunVertices(int primitive, int count);
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void WriteCall(void (LOADERDECL *func)(void *));
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int GetGCVertexSize() const { _assert_( !m_AttrDirty ); return m_VertexSize; }
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int GetVBVertexStride() const { _assert_( !m_AttrDirty); return m_VBVertexStride; }
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int ComputeVertexSize();
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// SetVAT_group
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// ignore PosFrac, texCoord[i].Frac
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void SetVAT_group0(u32 _group0)
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{
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if ((m_group0.Hex&~0x3e0001f0) != (_group0&~0x3e0001f0)) {
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m_AttrDirty = 2;
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}
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m_group0.Hex = _group0;
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m_VtxAttr.PosElements = m_group0.PosElements;
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m_VtxAttr.PosFormat = m_group0.PosFormat;
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m_VtxAttr.PosFrac = m_group0.PosFrac;
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m_VtxAttr.NormalElements = m_group0.NormalElements;
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m_VtxAttr.NormalFormat = m_group0.NormalFormat;
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m_VtxAttr.color[0].Elements = m_group0.Color0Elements;
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m_VtxAttr.color[0].Comp = m_group0.Color0Comp;
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m_VtxAttr.color[1].Elements = m_group0.Color1Elements;
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m_VtxAttr.color[1].Comp = m_group0.Color1Comp;
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m_VtxAttr.texCoord[0].Elements = m_group0.Tex0CoordElements;
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m_VtxAttr.texCoord[0].Format = m_group0.Tex0CoordFormat;
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m_VtxAttr.texCoord[0].Frac = m_group0.Tex0Frac;
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m_VtxAttr.ByteDequant = m_group0.ByteDequant;
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m_VtxAttr.NormalIndex3 = m_group0.NormalIndex3;
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};
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void SetVAT_group1(u32 _group1)
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{
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if ((m_group1.Hex&~0x7c3e1f0) != (_group1&~0x7c3e1f0)) {
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m_AttrDirty = 2;
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}
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m_group1.Hex = _group1;
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m_VtxAttr.texCoord[1].Elements = m_group1.Tex1CoordElements;
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m_VtxAttr.texCoord[1].Format = m_group1.Tex1CoordFormat;
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m_VtxAttr.texCoord[1].Frac = m_group1.Tex1Frac;
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m_VtxAttr.texCoord[2].Elements = m_group1.Tex2CoordElements;
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m_VtxAttr.texCoord[2].Format = m_group1.Tex2CoordFormat;
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m_VtxAttr.texCoord[2].Frac = m_group1.Tex2Frac;
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m_VtxAttr.texCoord[3].Elements = m_group1.Tex3CoordElements;
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m_VtxAttr.texCoord[3].Format = m_group1.Tex3CoordFormat;
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m_VtxAttr.texCoord[3].Frac = m_group1.Tex3Frac;
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m_VtxAttr.texCoord[4].Elements = m_group1.Tex4CoordElements;
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m_VtxAttr.texCoord[4].Format = m_group1.Tex4CoordFormat;
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};
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void SetVAT_group2(u32 _group2)
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{
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if ((m_group2.Hex&~0xf87c3e1f) != (_group2&~0xf87c3e1f)) {
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m_AttrDirty = 2;
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}
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m_group2.Hex = _group2;
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m_VtxAttr.texCoord[4].Frac = m_group2.Tex4Frac;
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m_VtxAttr.texCoord[5].Elements = m_group2.Tex5CoordElements;
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m_VtxAttr.texCoord[5].Format = m_group2.Tex5CoordFormat;
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m_VtxAttr.texCoord[5].Frac = m_group2.Tex5Frac;
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m_VtxAttr.texCoord[6].Elements = m_group2.Tex6CoordElements;
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m_VtxAttr.texCoord[6].Format = m_group2.Tex6CoordFormat;
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m_VtxAttr.texCoord[6].Frac = m_group2.Tex6Frac;
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m_VtxAttr.texCoord[7].Elements = m_group2.Tex7CoordElements;
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m_VtxAttr.texCoord[7].Format = m_group2.Tex7CoordFormat;
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m_VtxAttr.texCoord[7].Frac = m_group2.Tex7Frac;
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};
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};
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/// Methods to manage and cache the global state of vertex streams and flushing streams
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/// Also handles processing the CP registers
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class VertexManager
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{
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static TVtxDesc s_GlobalVtxDesc;
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public:
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enum Collection
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{
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C_NOTHING=0,
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C_TRIANGLES=1,
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C_LINES=2,
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C_POINTS=3
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};
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static bool Init();
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static void Destroy();
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static void ResetBuffer();
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static void ResetComponents();
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static void AddVertices(int primitive, int numvertices);
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static void Flush(); // flushes the current buffer
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static int GetRemainingSize();
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static TVtxDesc &GetVtxDesc() {return s_GlobalVtxDesc; }
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static void LoadCPReg(u32 SubCmd, u32 Value);
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static size_t SaveLoadState(char *ptr, BOOL save);
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static u8* s_pCurBufferPointer;
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static float shiftLookup[32];
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};
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extern VertexLoader g_VertexLoaders[8];
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u8 ReadBuffer8();
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u16 ReadBuffer16();
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u32 ReadBuffer32();
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float ReadBuffer32F();
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#endif
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