forked from dolphin-emu/dolphin
		
	Not yet functional. git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7050 8ced0084-cf51-0410-be5f-012b33b47a6e
		
			
				
	
	
		
			326 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			326 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // Copyright (C) 2003-2009 Dolphin Project.
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| #include "Common.h"
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| 
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| #include "SWVertexLoader.h"
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| #include "VertexLoader_Position.h"
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| #include "../../../Core/VideoCommon/Src/VertexLoader_Normal.h"
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| #include "../../../Core/VideoCommon/Src/VertexLoader_Color.h"
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| #include "../../../Core/VideoCommon/Src/VertexLoader_TextCoord.h"
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| 
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| #include "CPMemLoader.h"
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| #include "XFMemLoader.h"
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| 
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| #include "TransformUnit.h"
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| #include "SetupUnit.h"
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| #include "SWStatistics.h"
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| #include "VertexManagerBase.h"
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| #include "../../../Core/VideoCommon/Src/DataReader.h"
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| 
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| // Vertex loaders read these
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| static int tcIndex;
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| static int colIndex;
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| static int colElements[2];
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| static float posScale;
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| static float tcScale[8];
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| 
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| SWVertexLoader::SWVertexLoader() :
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|     m_VertexSize(0),
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|     m_NumAttributeLoaders(0)
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|  {
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|      VertexLoader_Normal::Init();
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| 	 VertexLoader_Position::Init();
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| 	 VertexLoader_TextCoord::Init();
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| 
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|      m_SetupUnit = new SetupUnit;     
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|  }
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| 
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| SWVertexLoader::~SWVertexLoader()
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| {
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|     delete m_SetupUnit;
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|     m_SetupUnit = NULL;
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| }
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| 
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| void SWVertexLoader::SetFormat(u8 attributeIndex, u8 primitiveType)
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| {
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|     m_CurrentVat = &g_VtxAttr[attributeIndex];
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| 
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|     posScale = 1.0f / float(1 << m_CurrentVat->g0.PosFrac);
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|     tcScale[0] = 1.0f / float(1 << m_CurrentVat->g0.Tex0Frac);
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|     tcScale[1] = 1.0f / float(1 << m_CurrentVat->g1.Tex1Frac);
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|     tcScale[2] = 1.0f / float(1 << m_CurrentVat->g1.Tex2Frac);
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|     tcScale[3] = 1.0f / float(1 << m_CurrentVat->g1.Tex3Frac);
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|     tcScale[4] = 1.0f / float(1 << m_CurrentVat->g2.Tex4Frac);
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|     tcScale[5] = 1.0f / float(1 << m_CurrentVat->g2.Tex5Frac);
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|     tcScale[6] = 1.0f / float(1 << m_CurrentVat->g2.Tex6Frac);
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|     tcScale[7] = 1.0f / float(1 << m_CurrentVat->g2.Tex7Frac);
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| 
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|     //TexMtx
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|     const int tmDesc[8] = {
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|         g_VtxDesc.Tex0MatIdx, g_VtxDesc.Tex1MatIdx, g_VtxDesc.Tex2MatIdx, g_VtxDesc.Tex3MatIdx,
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| 		g_VtxDesc.Tex4MatIdx, g_VtxDesc.Tex5MatIdx, g_VtxDesc.Tex6MatIdx, g_VtxDesc.Tex7MatIdx
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| 	};
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|     // Colors
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| 	const int colDesc[2] = {g_VtxDesc.Color0, g_VtxDesc.Color1};
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|     colElements[0] = m_CurrentVat->g0.Color0Elements;
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|     colElements[1] = m_CurrentVat->g0.Color1Elements;
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|     const int colComp[2] = {m_CurrentVat->g0.Color0Comp, m_CurrentVat->g0.Color1Comp};
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| 	// TextureCoord
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| 	const int tcDesc[8] = {
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| 		g_VtxDesc.Tex0Coord, g_VtxDesc.Tex1Coord, g_VtxDesc.Tex2Coord, g_VtxDesc.Tex3Coord,
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| 		g_VtxDesc.Tex4Coord, g_VtxDesc.Tex5Coord, g_VtxDesc.Tex6Coord, (g_VtxDesc.Hex >> 31) & 3
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| 	};
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|     const int tcElements[8] = {
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|         m_CurrentVat->g0.Tex0CoordElements, m_CurrentVat->g1.Tex1CoordElements, m_CurrentVat->g1.Tex2CoordElements, 
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|         m_CurrentVat->g1.Tex3CoordElements, m_CurrentVat->g1.Tex4CoordElements, m_CurrentVat->g2.Tex5CoordElements,
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|         m_CurrentVat->g2.Tex6CoordElements, m_CurrentVat->g2.Tex7CoordElements
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|     };
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| 
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|     const int tcFormat[8] = {
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|         m_CurrentVat->g0.Tex0CoordFormat, m_CurrentVat->g1.Tex1CoordFormat, m_CurrentVat->g1.Tex2CoordFormat, 
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|         m_CurrentVat->g1.Tex3CoordFormat, m_CurrentVat->g1.Tex4CoordFormat, m_CurrentVat->g2.Tex5CoordFormat,
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|         m_CurrentVat->g2.Tex6CoordFormat, m_CurrentVat->g2.Tex7CoordFormat
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|     };
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| 
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|     m_VertexSize = 0;
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| 	
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| 	// Reset pipeline
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| 	m_positionLoader = NULL;
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|     m_normalLoader = NULL;
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|     m_NumAttributeLoaders = 0;
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| 
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|     // Reset vertex
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|     // matrix index from xf regs or cp memory?
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| 	if (swxfregs.MatrixIndexA.PosNormalMtxIdx != MatrixIndexA.PosNormalMtxIdx ||
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| 		swxfregs.MatrixIndexA.Tex0MtxIdx != MatrixIndexA.Tex0MtxIdx ||
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| 		swxfregs.MatrixIndexA.Tex1MtxIdx != MatrixIndexA.Tex1MtxIdx ||
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| 		swxfregs.MatrixIndexA.Tex2MtxIdx != MatrixIndexA.Tex2MtxIdx ||
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| 		swxfregs.MatrixIndexA.Tex3MtxIdx != MatrixIndexA.Tex3MtxIdx ||
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| 		swxfregs.MatrixIndexB.Tex4MtxIdx != MatrixIndexB.Tex4MtxIdx ||
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| 		swxfregs.MatrixIndexB.Tex5MtxIdx != MatrixIndexB.Tex5MtxIdx ||
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| 		swxfregs.MatrixIndexB.Tex6MtxIdx != MatrixIndexB.Tex6MtxIdx ||
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| 		swxfregs.MatrixIndexB.Tex7MtxIdx != MatrixIndexB.Tex7MtxIdx)
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| 	{
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| 		WARN_LOG(VIDEO, "Matrix indices don't match");
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| 
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| 		// Just show the assert once
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| 		static bool showedAlert = false;
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| 		_assert_msg_(VIDEO, showedAlert, "Matrix indices don't match");
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| 		showedAlert = true;
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| 	}
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| 
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| #if(1)
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|     m_Vertex.posMtx = swxfregs.MatrixIndexA.PosNormalMtxIdx;
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|     m_Vertex.texMtx[0] = swxfregs.MatrixIndexA.Tex0MtxIdx;
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|     m_Vertex.texMtx[1] = swxfregs.MatrixIndexA.Tex1MtxIdx;
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|     m_Vertex.texMtx[2] = swxfregs.MatrixIndexA.Tex2MtxIdx;
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|     m_Vertex.texMtx[3] = swxfregs.MatrixIndexA.Tex3MtxIdx;
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|     m_Vertex.texMtx[4] = swxfregs.MatrixIndexB.Tex4MtxIdx;
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|     m_Vertex.texMtx[5] = swxfregs.MatrixIndexB.Tex5MtxIdx;
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|     m_Vertex.texMtx[6] = swxfregs.MatrixIndexB.Tex6MtxIdx;
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|     m_Vertex.texMtx[7] = swxfregs.MatrixIndexB.Tex7MtxIdx;
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| #else
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|     m_Vertex.posMtx = MatrixIndexA.PosNormalMtxIdx;
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|     m_Vertex.texMtx[0] = MatrixIndexA.Tex0MtxIdx;
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|     m_Vertex.texMtx[1] = MatrixIndexA.Tex1MtxIdx;
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|     m_Vertex.texMtx[2] = MatrixIndexA.Tex2MtxIdx;
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|     m_Vertex.texMtx[3] = MatrixIndexA.Tex3MtxIdx;
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|     m_Vertex.texMtx[4] = MatrixIndexB.Tex4MtxIdx;
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|     m_Vertex.texMtx[5] = MatrixIndexB.Tex5MtxIdx;
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|     m_Vertex.texMtx[6] = MatrixIndexB.Tex6MtxIdx;
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|     m_Vertex.texMtx[7] = MatrixIndexB.Tex7MtxIdx;
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| #endif
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| 
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|     if (g_VtxDesc.PosMatIdx != NOT_PRESENT) {
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|         AddAttributeLoader(LoadPosMtx);
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|         m_VertexSize++;
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|     }
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| 
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|     for (int i = 0; i < 8; ++i) {
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|         if (tmDesc[i] != NOT_PRESENT)
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|         {
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|             AddAttributeLoader(LoadTexMtx, i);
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|             m_VertexSize++;
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|         }
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|     }
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| 
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| 	// Write vertex position loader
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| 	m_positionLoader = VertexLoader_Position::GetFunction(g_VtxDesc.Position, m_CurrentVat->g0.PosFormat, m_CurrentVat->g0.PosElements);
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| 	m_VertexSize += VertexLoader_Position::GetSize(g_VtxDesc.Position, m_CurrentVat->g0.PosFormat, m_CurrentVat->g0.PosElements);
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| 	AddAttributeLoader(LoadPosition);
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| 
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| 	// Normals
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| 	if (g_VtxDesc.Normal != NOT_PRESENT) {
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| 		m_VertexSize += VertexLoader_Normal::GetSize(g_VtxDesc.Normal, m_CurrentVat->g0.NormalFormat, m_CurrentVat->g0.NormalElements, m_CurrentVat->g0.NormalIndex3);
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| 		m_normalLoader = VertexLoader_Normal::GetFunction(g_VtxDesc.Normal, m_CurrentVat->g0.NormalFormat, m_CurrentVat->g0.NormalElements, m_CurrentVat->g0.NormalIndex3, true);
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| 		if (m_normalLoader == 0)
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| 		{
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| 			ERROR_LOG(VIDEO, "VertexLoader_Normal::GetFunction returned zero!");
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| 		}
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|         AddAttributeLoader(LoadNormal);
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|     }
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| 
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| 	for (int i = 0; i < 2; i++) {
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| 		switch (colDesc[i])
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| 		{
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| 		case NOT_PRESENT:
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|             m_colorLoader[i] = NULL;
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| 			break;
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| 		case DIRECT:
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| 			switch (colComp[i])
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| 			{
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| 			case FORMAT_16B_565:	m_VertexSize += 2; m_colorLoader[i] = (Color_ReadDirect_16b_565); break;
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| 			case FORMAT_24B_888:	m_VertexSize += 3; m_colorLoader[i] = (Color_ReadDirect_24b_888); break;
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| 			case FORMAT_32B_888x:	m_VertexSize += 4; m_colorLoader[i] = (Color_ReadDirect_32b_888x); break;
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| 			case FORMAT_16B_4444:	m_VertexSize += 2; m_colorLoader[i] = (Color_ReadDirect_16b_4444); break;
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| 			case FORMAT_24B_6666:	m_VertexSize += 3; m_colorLoader[i] = (Color_ReadDirect_24b_6666); break;
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| 			case FORMAT_32B_8888:	m_VertexSize += 4; m_colorLoader[i] = (Color_ReadDirect_32b_8888); break;
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| 			default: _assert_(0); break;
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| 			}
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|             AddAttributeLoader(LoadColor, i);
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| 			break;
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| 		case INDEX8:	
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| 			m_VertexSize += 1;
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| 			switch (colComp[i])
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| 			{
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| 			case FORMAT_16B_565:	m_colorLoader[i] = (Color_ReadIndex8_16b_565); break;
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| 			case FORMAT_24B_888:	m_colorLoader[i] = (Color_ReadIndex8_24b_888); break;
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| 			case FORMAT_32B_888x:	m_colorLoader[i] = (Color_ReadIndex8_32b_888x); break;
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| 			case FORMAT_16B_4444:	m_colorLoader[i] = (Color_ReadIndex8_16b_4444); break;
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| 			case FORMAT_24B_6666:	m_colorLoader[i] = (Color_ReadIndex8_24b_6666); break;
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| 			case FORMAT_32B_8888:	m_colorLoader[i] = (Color_ReadIndex8_32b_8888); break;
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| 			default: _assert_(0); break;
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| 			}
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|             AddAttributeLoader(LoadColor, i);
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| 			break;
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| 		case INDEX16:
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| 			m_VertexSize += 2;
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| 			switch (colComp[i])
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| 			{
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| 			case FORMAT_16B_565:	m_colorLoader[i] = (Color_ReadIndex16_16b_565); break;
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| 			case FORMAT_24B_888:	m_colorLoader[i] = (Color_ReadIndex16_24b_888); break;
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| 			case FORMAT_32B_888x:	m_colorLoader[i] = (Color_ReadIndex16_32b_888x); break;
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| 			case FORMAT_16B_4444:	m_colorLoader[i] = (Color_ReadIndex16_16b_4444); break;
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| 			case FORMAT_24B_6666:	m_colorLoader[i] = (Color_ReadIndex16_24b_6666); break;
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| 			case FORMAT_32B_8888:	m_colorLoader[i] = (Color_ReadIndex16_32b_8888); break;
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| 			default: _assert_(0); break;
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| 			}
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|             AddAttributeLoader(LoadColor, i);
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| 			break;
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| 		}
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| 	}
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| 
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| 	// Texture matrix indices (remove if corresponding texture coordinate isn't enabled)
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| 	for (int i = 0; i < 8; i++) {
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| 		const int desc = tcDesc[i];
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| 		const int format = tcFormat[i];
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| 		const int elements = tcElements[i];
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| 		_assert_msg_(VIDEO, NOT_PRESENT <= desc && desc <= INDEX16, "Invalid texture coordinates description!\n(desc = %d)", desc);
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| 		_assert_msg_(VIDEO, FORMAT_UBYTE <= format && format <= FORMAT_FLOAT, "Invalid texture coordinates format!\n(format = %d)", format);
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| 		_assert_msg_(VIDEO, 0 <= elements && elements <= 1, "Invalid number of texture coordinates elemnts!\n(elements = %d)", elements);
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| 
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| 		m_texCoordLoader[i] = VertexLoader_TextCoord::GetFunction(desc, format, elements);
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| 		m_VertexSize += VertexLoader_TextCoord::GetSize(desc, format, elements);
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| 		if (m_texCoordLoader[i])
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| 			AddAttributeLoader(LoadTexCoord, i);
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|     }
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| 
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| 	// special case if only pos and tex coord 0 and tex coord input is AB11
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| 	m_TexGenSpecialCase =
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| 		((g_VtxDesc.Hex & 0x60600L) == g_VtxDesc.Hex) && // only pos and tex coord 0
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| 		(g_VtxDesc.Tex0Coord != NOT_PRESENT) &&
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| 		(swxfregs.texMtxInfo[0].projection == XF_TEXPROJ_ST);
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| 
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| 
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|     m_SetupUnit->Init(primitiveType);
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| }
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| 
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| 
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| void SWVertexLoader::LoadVertex()
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| {
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|     for (int i = 0; i < m_NumAttributeLoaders; i++)
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|         m_AttributeLoaders[i].loader(this, &m_Vertex, m_AttributeLoaders[i].index);
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| 
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|     OutputVertexData* outVertex = m_SetupUnit->GetVertex();
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| 
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|     // transform input data
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|     TransformUnit::TransformPosition(&m_Vertex, outVertex);
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| 
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|     if (g_VtxDesc.Normal != NOT_PRESENT)
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|     {
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|         TransformUnit::TransformNormal(&m_Vertex, m_CurrentVat->g0.NormalElements, outVertex);
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|     }
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| 
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|     TransformUnit::TransformColor(&m_Vertex, outVertex);
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| 
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|     TransformUnit::TransformTexCoord(&m_Vertex, outVertex, m_TexGenSpecialCase);
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| 
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|     m_SetupUnit->SetupVertex();
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| 
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|     INCSTAT(swstats.thisFrame.numVerticesLoaded)
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| }
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| 
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| void SWVertexLoader::AddAttributeLoader(AttributeLoader loader, u8 index)
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| {
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|     _assert_msg_(VIDEO, m_NumAttributeLoaders < 21, "Too many attribute loaders");
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|     m_AttributeLoaders[m_NumAttributeLoaders].loader = loader;
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|     m_AttributeLoaders[m_NumAttributeLoaders++].index = index;
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| }
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| 
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| void SWVertexLoader::LoadPosMtx(SWVertexLoader *vertexLoader, InputVertexData *vertex, u8 unused)
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| {
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|     vertex->posMtx = DataReadU8() & 0x3f;
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| }
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| 
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| void SWVertexLoader::LoadTexMtx(SWVertexLoader *vertexLoader, InputVertexData *vertex, u8 index)
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| {
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|     vertex->texMtx[index] = DataReadU8() & 0x3f;
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| }    
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| 
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| void SWVertexLoader::LoadPosition(SWVertexLoader *vertexLoader, InputVertexData *vertex, u8 unused)
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| {
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|     VertexManager::s_pCurBufferPointer = (u8*)&vertex->position;
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|     vertexLoader->m_positionLoader();
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| }
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| 
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| void SWVertexLoader::LoadNormal(SWVertexLoader *vertexLoader, InputVertexData *vertex, u8 unused)
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| {
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| 	VertexManager::s_pCurBufferPointer = (u8*)&vertex->normal;
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|     vertexLoader->m_normalLoader();
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| }
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| 
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| void SWVertexLoader::LoadColor(SWVertexLoader *vertexLoader, InputVertexData *vertex, u8 index)
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| {
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|     u32 color;
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|     VertexManager::s_pCurBufferPointer = (u8*)&color;
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|     colIndex = index;
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|     vertexLoader->m_colorLoader[index]();
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| 
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|     // rgba -> abgr
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|     *(u32*)vertex->color[index] = Common::swap32(color);
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| }
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| 
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| void SWVertexLoader::LoadTexCoord(SWVertexLoader *vertexLoader, InputVertexData *vertex, u8 index)
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| {
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|     VertexManager::s_pCurBufferPointer = (u8*)&vertex->texCoords[index];
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|     tcIndex = index;
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|     vertexLoader->m_texCoordLoader[index]();
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| }
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| 
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| 
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