forked from dolphin-emu/dolphin
		
	in stone would have to change. git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5496 8ced0084-cf51-0410-be5f-012b33b47a6e
		
			
				
	
	
		
			345 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			345 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright (C) 2003-2009 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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#include "Common.h"
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#include "VertexLoader.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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#include "CPMemLoader.h"
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#include "XFMemLoader.h"
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#include "TransformUnit.h"
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#include "SetupUnit.h"
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#include "Statistics.h"
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#include "NativeVertexWriter.h"
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#include "VertexFormatConverter.h"
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#include "../../../Core/VideoCommon/Src/DataReader.h"
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// Vertex loaders read these
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int tcIndex;
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int colIndex;
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int colElements[2];
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float posScale;
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float tcScale[8];
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VertexLoader::VertexLoader() :
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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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     m_SetupUnit = new SetupUnit;     
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 }
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VertexLoader::~VertexLoader()
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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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void VertexLoader::SetFormat(u8 attributeIndex, u8 primitiveType)
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{
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    m_CurrentVat = &g_VtxAttr[attributeIndex];
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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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    //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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    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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    m_VertexSize = 0;
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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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    // Reset vertex
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    // matrix index from xfregs or cp memory?
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    _assert_msg_(VIDEO, xfregs.MatrixIndexA.PosNormalMtxIdx == MatrixIndexA.PosNormalMtxIdx, "Matrix indices don't match");
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    //_assert_msg_(VIDEO, xfregs.MatrixIndexA.Tex0MtxIdx == MatrixIndexA.Tex0MtxIdx, "Matrix indices don't match");
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    //_assert_msg_(VIDEO, xfregs.MatrixIndexA.Tex1MtxIdx == MatrixIndexA.Tex1MtxIdx, "Matrix indices don't match");
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    _assert_msg_(VIDEO, xfregs.MatrixIndexA.Tex2MtxIdx == MatrixIndexA.Tex2MtxIdx, "Matrix indices don't match");
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    _assert_msg_(VIDEO, xfregs.MatrixIndexA.Tex3MtxIdx == MatrixIndexA.Tex3MtxIdx, "Matrix indices don't match");
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    _assert_msg_(VIDEO, xfregs.MatrixIndexB.Tex4MtxIdx == MatrixIndexB.Tex4MtxIdx, "Matrix indices don't match");
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    _assert_msg_(VIDEO, xfregs.MatrixIndexB.Tex5MtxIdx == MatrixIndexB.Tex5MtxIdx, "Matrix indices don't match");
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    _assert_msg_(VIDEO, xfregs.MatrixIndexB.Tex6MtxIdx == MatrixIndexB.Tex6MtxIdx, "Matrix indices don't match");
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    _assert_msg_(VIDEO, xfregs.MatrixIndexB.Tex7MtxIdx == MatrixIndexB.Tex7MtxIdx, "Matrix indices don't match");
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    m_Vertex.posMtx = xfregs.MatrixIndexA.PosNormalMtxIdx;
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    m_Vertex.texMtx[0] = xfregs.MatrixIndexA.Tex0MtxIdx;
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    m_Vertex.texMtx[1] = xfregs.MatrixIndexA.Tex1MtxIdx;
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    m_Vertex.texMtx[2] = xfregs.MatrixIndexA.Tex2MtxIdx;
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    m_Vertex.texMtx[3] = xfregs.MatrixIndexA.Tex3MtxIdx;
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    m_Vertex.texMtx[4] = xfregs.MatrixIndexB.Tex4MtxIdx;
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    m_Vertex.texMtx[5] = xfregs.MatrixIndexB.Tex5MtxIdx;
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    m_Vertex.texMtx[6] = xfregs.MatrixIndexB.Tex6MtxIdx;
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    m_Vertex.texMtx[7] = xfregs.MatrixIndexB.Tex7MtxIdx;
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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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    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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    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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	// 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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	// 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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        switch (m_CurrentVat->g0.NormalFormat) {
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		case FORMAT_UBYTE:	
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		case FORMAT_BYTE:
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            if (m_CurrentVat->g0.NormalElements)
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                m_normalConverter = VertexFormatConverter::LoadNormal3_Byte;
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            else
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                m_normalConverter = VertexFormatConverter::LoadNormal1_Byte;
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			break;
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		case FORMAT_USHORT:
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		case FORMAT_SHORT:
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			if (m_CurrentVat->g0.NormalElements)
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                m_normalConverter = VertexFormatConverter::LoadNormal3_Short;
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            else
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                m_normalConverter = VertexFormatConverter::LoadNormal1_Short;
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			break;
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		case FORMAT_FLOAT:
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			if (m_CurrentVat->g0.NormalElements)
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                m_normalConverter = VertexFormatConverter::LoadNormal3_Float;
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            else
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                m_normalConverter = VertexFormatConverter::LoadNormal1_Float;
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			break;
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		default: _assert_(0); break;
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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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	// 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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		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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	// 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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		(xfregs.texMtxInfo[0].inputform == XF_TEXINPUT_AB11);
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    m_SetupUnit->Init(primitiveType);
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}
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void VertexLoader::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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    OutputVertexData* outVertex = m_SetupUnit->GetVertex();
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    // transform input data
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    TransformUnit::TransformPosition(&m_Vertex, outVertex);
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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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    TransformUnit::TransformColor(&m_Vertex, outVertex);
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    TransformUnit::TransformTexCoord(&m_Vertex, outVertex, m_TexGenSpecialCase);
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    m_SetupUnit->SetupVertex();
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    INCSTAT(stats.thisFrame.numVerticesLoaded)
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}
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void VertexLoader::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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void VertexLoader::LoadPosMtx(VertexLoader *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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void VertexLoader::LoadTexMtx(VertexLoader *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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void VertexLoader::LoadPosition(VertexLoader *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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void VertexLoader::LoadNormal(VertexLoader *vertexLoader, InputVertexData *vertex, u8 unused)
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{
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    u8 buffer[3*3*4];
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    VertexManager::s_pCurBufferPointer = buffer;
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    vertexLoader->m_normalLoader();
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    // the common vertex loader loads data as bytes, shorts or floats so an extra step is needed to make it floats
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    vertexLoader->m_normalConverter(vertex, buffer);
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}
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void VertexLoader::LoadColor(VertexLoader *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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    // rgba -> abgr
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    *(u32*)vertex->color[index] = Common::swap32(color);
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}
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void VertexLoader::LoadTexCoord(VertexLoader *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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}
 | 
						|
 | 
						|
 |