mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-07-21 05:09:34 -06:00
Put Plugins/ in Core/, rename to VideoBackends
This commit is contained in:
Jasper St. Pierre
334
Source/Core/VideoBackends/Software/Src/SWVertexLoader.cpp
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334
Source/Core/VideoBackends/Software/Src/SWVertexLoader.cpp
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// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include "Common.h"
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#include "SWVertexLoader.h"
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#include "VertexLoader_Position.h"
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#include "VertexLoader_Normal.h"
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#include "VertexLoader_Color.h"
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#include "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 "SWStatistics.h"
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#include "VertexManagerBase.h"
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#include "DataReader.h"
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// Vertex loaders read these
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extern int tcIndex;
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extern int colIndex;
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extern int colElements[2];
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extern float posScale;
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extern float tcScale[8];
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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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m_SetupUnit = new SetupUnit;
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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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void SWVertexLoader::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 u32 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 u32 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 u32 colComp[2] = {m_CurrentVat->g0.Color0Comp, m_CurrentVat->g0.Color1Comp};
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// TextureCoord
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const u32 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, (const u32)((g_VtxDesc.Hex >> 31) & 3)
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};
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const u32 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 u32 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 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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// 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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#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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if (g_VtxDesc.PosMatIdx != NOT_PRESENT)
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{
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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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{
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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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{
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m_VertexSize += VertexLoader_Normal::GetSize(g_VtxDesc.Normal,
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m_CurrentVat->g0.NormalFormat, m_CurrentVat->g0.NormalElements, m_CurrentVat->g0.NormalIndex3);
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m_normalLoader = VertexLoader_Normal::GetFunction(g_VtxDesc.Normal,
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m_CurrentVat->g0.NormalFormat, m_CurrentVat->g0.NormalElements, m_CurrentVat->g0.NormalIndex3);
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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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for (int i = 0; i < 2; i++)
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{
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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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{
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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 elements!\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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(swxfregs.texMtxInfo[0].projection == XF_TEXPROJ_ST);
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m_SetupUnit->Init(primitiveType);
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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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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(swstats.thisFrame.numVerticesLoaded)
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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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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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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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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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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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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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// rgba -> abgr
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*(u32*)vertex->color[index] = Common::swap32(color);
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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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void SWVertexLoader::DoState(PointerWrap &p)
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{
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p.DoArray(m_AttributeLoaders, sizeof m_AttributeLoaders);
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p.Do(m_VertexSize);
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p.Do(*m_CurrentVat);
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p.Do(m_positionLoader);
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p.Do(m_normalLoader);
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p.DoArray(m_colorLoader, sizeof m_colorLoader);
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p.Do(m_NumAttributeLoaders);
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m_SetupUnit->DoState(p);
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p.Do(m_TexGenSpecialCase);
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}
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