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dolphin/Source/Plugins/Plugin_VideoSoftware/Src/VertexLoader.cpp

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// Copyright (C) 2003-2009 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "Common.h"
#include "VertexLoader.h"
#include "VertexLoader_Position.h"
#include "../../../Core/VideoCommon/Src/VertexLoader_Normal.h"
#include "../../../Core/VideoCommon/Src/VertexLoader_Color.h"
#include "../../../Core/VideoCommon/Src/VertexLoader_TextCoord.h"
#include "CPMemLoader.h"
#include "XFMemLoader.h"
#include "TransformUnit.h"
#include "SetupUnit.h"
#include "Statistics.h"
#include "NativeVertexWriter.h"
#include "VertexFormatConverter.h"
#include "../../../Core/VideoCommon/Src/DataReader.h"
// Vertex loaders read these
int tcIndex;
int colIndex;
int colElements[2];
float posScale;
float tcScale[8];
VertexLoader::VertexLoader() :
m_VertexSize(0),
m_NumAttributeLoaders(0)
{
VertexLoader_Normal::Init();
m_SetupUnit = new SetupUnit;
}
VertexLoader::~VertexLoader()
{
delete m_SetupUnit;
m_SetupUnit = NULL;
}
void VertexLoader::SetFormat(u8 attributeIndex, u8 primitiveType)
{
m_CurrentVat = &g_VtxAttr[attributeIndex];
posScale = 1.0f / float(1 << m_CurrentVat->g0.PosFrac);
tcScale[0] = 1.0f / float(1 << m_CurrentVat->g0.Tex0Frac);
tcScale[1] = 1.0f / float(1 << m_CurrentVat->g1.Tex1Frac);
tcScale[2] = 1.0f / float(1 << m_CurrentVat->g1.Tex2Frac);
tcScale[3] = 1.0f / float(1 << m_CurrentVat->g1.Tex3Frac);
tcScale[4] = 1.0f / float(1 << m_CurrentVat->g2.Tex4Frac);
tcScale[5] = 1.0f / float(1 << m_CurrentVat->g2.Tex5Frac);
tcScale[6] = 1.0f / float(1 << m_CurrentVat->g2.Tex6Frac);
tcScale[7] = 1.0f / float(1 << m_CurrentVat->g2.Tex7Frac);
//TexMtx
const int tmDesc[8] = {
g_VtxDesc.Tex0MatIdx, g_VtxDesc.Tex1MatIdx, g_VtxDesc.Tex2MatIdx, g_VtxDesc.Tex3MatIdx,
g_VtxDesc.Tex4MatIdx, g_VtxDesc.Tex5MatIdx, g_VtxDesc.Tex6MatIdx, g_VtxDesc.Tex7MatIdx
};
// Colors
const int colDesc[2] = {g_VtxDesc.Color0, g_VtxDesc.Color1};
colElements[0] = m_CurrentVat->g0.Color0Elements;
colElements[1] = m_CurrentVat->g0.Color1Elements;
const int colComp[2] = {m_CurrentVat->g0.Color0Comp, m_CurrentVat->g0.Color1Comp};
// TextureCoord
const int tcDesc[8] = {
g_VtxDesc.Tex0Coord, g_VtxDesc.Tex1Coord, g_VtxDesc.Tex2Coord, g_VtxDesc.Tex3Coord,
g_VtxDesc.Tex4Coord, g_VtxDesc.Tex5Coord, g_VtxDesc.Tex6Coord, (g_VtxDesc.Hex >> 31) & 3
};
const int tcElements[8] = {
m_CurrentVat->g0.Tex0CoordElements, m_CurrentVat->g1.Tex1CoordElements, m_CurrentVat->g1.Tex2CoordElements,
m_CurrentVat->g1.Tex3CoordElements, m_CurrentVat->g1.Tex4CoordElements, m_CurrentVat->g2.Tex5CoordElements,
m_CurrentVat->g2.Tex6CoordElements, m_CurrentVat->g2.Tex7CoordElements
};
const int tcFormat[8] = {
m_CurrentVat->g0.Tex0CoordFormat, m_CurrentVat->g1.Tex1CoordFormat, m_CurrentVat->g1.Tex2CoordFormat,
m_CurrentVat->g1.Tex3CoordFormat, m_CurrentVat->g1.Tex4CoordFormat, m_CurrentVat->g2.Tex5CoordFormat,
m_CurrentVat->g2.Tex6CoordFormat, m_CurrentVat->g2.Tex7CoordFormat
};
m_VertexSize = 0;
// Reset pipeline
m_positionLoader = NULL;
m_normalLoader = NULL;
m_NumAttributeLoaders = 0;
// Reset vertex
// matrix index from xfregs or cp memory?
_assert_msg_(VIDEO, xfregs.MatrixIndexA.PosNormalMtxIdx == MatrixIndexA.PosNormalMtxIdx, "Matrix indices don't match");
//_assert_msg_(VIDEO, xfregs.MatrixIndexA.Tex0MtxIdx == MatrixIndexA.Tex0MtxIdx, "Matrix indices don't match");
//_assert_msg_(VIDEO, xfregs.MatrixIndexA.Tex1MtxIdx == MatrixIndexA.Tex1MtxIdx, "Matrix indices don't match");
_assert_msg_(VIDEO, xfregs.MatrixIndexA.Tex2MtxIdx == MatrixIndexA.Tex2MtxIdx, "Matrix indices don't match");
_assert_msg_(VIDEO, xfregs.MatrixIndexA.Tex3MtxIdx == MatrixIndexA.Tex3MtxIdx, "Matrix indices don't match");
_assert_msg_(VIDEO, xfregs.MatrixIndexB.Tex4MtxIdx == MatrixIndexB.Tex4MtxIdx, "Matrix indices don't match");
_assert_msg_(VIDEO, xfregs.MatrixIndexB.Tex5MtxIdx == MatrixIndexB.Tex5MtxIdx, "Matrix indices don't match");
_assert_msg_(VIDEO, xfregs.MatrixIndexB.Tex6MtxIdx == MatrixIndexB.Tex6MtxIdx, "Matrix indices don't match");
_assert_msg_(VIDEO, xfregs.MatrixIndexB.Tex7MtxIdx == MatrixIndexB.Tex7MtxIdx, "Matrix indices don't match");
m_Vertex.posMtx = xfregs.MatrixIndexA.PosNormalMtxIdx;
m_Vertex.texMtx[0] = xfregs.MatrixIndexA.Tex0MtxIdx;
m_Vertex.texMtx[1] = xfregs.MatrixIndexA.Tex1MtxIdx;
m_Vertex.texMtx[2] = xfregs.MatrixIndexA.Tex2MtxIdx;
m_Vertex.texMtx[3] = xfregs.MatrixIndexA.Tex3MtxIdx;
m_Vertex.texMtx[4] = xfregs.MatrixIndexB.Tex4MtxIdx;
m_Vertex.texMtx[5] = xfregs.MatrixIndexB.Tex5MtxIdx;
m_Vertex.texMtx[6] = xfregs.MatrixIndexB.Tex6MtxIdx;
m_Vertex.texMtx[7] = xfregs.MatrixIndexB.Tex7MtxIdx;
/*m_Vertex.posMtx = MatrixIndexA.PosNormalMtxIdx;
m_Vertex.texMtx[0] = MatrixIndexA.Tex0MtxIdx;
m_Vertex.texMtx[1] = MatrixIndexA.Tex1MtxIdx;
m_Vertex.texMtx[2] = MatrixIndexA.Tex2MtxIdx;
m_Vertex.texMtx[3] = MatrixIndexA.Tex3MtxIdx;
m_Vertex.texMtx[4] = MatrixIndexB.Tex4MtxIdx;
m_Vertex.texMtx[5] = MatrixIndexB.Tex5MtxIdx;
m_Vertex.texMtx[6] = MatrixIndexB.Tex6MtxIdx;
m_Vertex.texMtx[7] = MatrixIndexB.Tex7MtxIdx;*/
if (g_VtxDesc.PosMatIdx != NOT_PRESENT) {
AddAttributeLoader(LoadPosMtx);
m_VertexSize++;
}
for (int i = 0; i < 8; ++i) {
if (tmDesc[i] != NOT_PRESENT)
{
AddAttributeLoader(LoadTexMtx, i);
m_VertexSize++;
}
}
switch (g_VtxDesc.Position) {
case NOT_PRESENT: {_assert_msg_(VIDEO, 0, "Vertex descriptor without position!"); } break;
case DIRECT:
switch (m_CurrentVat->g0.PosFormat) {
case FORMAT_UBYTE: m_VertexSize += m_CurrentVat->g0.PosElements?3:2; m_positionLoader = (m_CurrentVat->g0.PosElements?Pos_ReadDirect_UByte3:Pos_ReadDirect_UByte2); break;
case FORMAT_BYTE: m_VertexSize += m_CurrentVat->g0.PosElements?3:2; m_positionLoader = (m_CurrentVat->g0.PosElements?Pos_ReadDirect_Byte3:Pos_ReadDirect_Byte2); break;
case FORMAT_USHORT: m_VertexSize += m_CurrentVat->g0.PosElements?6:4; m_positionLoader = (m_CurrentVat->g0.PosElements?Pos_ReadDirect_UShort3:Pos_ReadDirect_UShort2); break;
case FORMAT_SHORT: m_VertexSize += m_CurrentVat->g0.PosElements?6:4; m_positionLoader = (m_CurrentVat->g0.PosElements?Pos_ReadDirect_Short3:Pos_ReadDirect_Short2); break;
case FORMAT_FLOAT: m_VertexSize += m_CurrentVat->g0.PosElements?12:8; m_positionLoader = (m_CurrentVat->g0.PosElements?Pos_ReadDirect_Float3:Pos_ReadDirect_Float2); break;
default: _assert_(0); break;
}
AddAttributeLoader(LoadPosition);
break;
case INDEX8:
switch (m_CurrentVat->g0.PosFormat) {
case FORMAT_UBYTE: m_positionLoader = (m_CurrentVat->g0.PosElements?Pos_ReadIndex8_UByte3:Pos_ReadIndex8_UByte2); break;
case FORMAT_BYTE: m_positionLoader = (m_CurrentVat->g0.PosElements?Pos_ReadIndex8_Byte3:Pos_ReadIndex8_Byte2); break;
case FORMAT_USHORT: m_positionLoader = (m_CurrentVat->g0.PosElements?Pos_ReadIndex8_UShort3:Pos_ReadIndex8_UShort2); break;
case FORMAT_SHORT: m_positionLoader = (m_CurrentVat->g0.PosElements?Pos_ReadIndex8_Short3:Pos_ReadIndex8_Short2); break;
case FORMAT_FLOAT: m_positionLoader = (m_CurrentVat->g0.PosElements?Pos_ReadIndex8_Float3:Pos_ReadIndex8_Float2); break;
default: _assert_(0); break;
}
AddAttributeLoader(LoadPosition);
m_VertexSize += 1;
break;
case INDEX16:
switch (m_CurrentVat->g0.PosFormat) {
case FORMAT_UBYTE: m_positionLoader = (m_CurrentVat->g0.PosElements?Pos_ReadIndex16_UByte3:Pos_ReadIndex16_UByte2); break;
case FORMAT_BYTE: m_positionLoader = (m_CurrentVat->g0.PosElements?Pos_ReadIndex16_Byte3:Pos_ReadIndex16_Byte2); break;
case FORMAT_USHORT: m_positionLoader = (m_CurrentVat->g0.PosElements?Pos_ReadIndex16_UShort3:Pos_ReadIndex16_UShort2); break;
case FORMAT_SHORT: m_positionLoader = (m_CurrentVat->g0.PosElements?Pos_ReadIndex16_Short3:Pos_ReadIndex16_Short2); break;
case FORMAT_FLOAT: m_positionLoader = (m_CurrentVat->g0.PosElements?Pos_ReadIndex16_Float3:Pos_ReadIndex16_Float2); break;
default: _assert_(0); break;
}
AddAttributeLoader(LoadPosition);
m_VertexSize += 2;
break;
}
// Normals
if (g_VtxDesc.Normal != NOT_PRESENT) {
m_VertexSize += VertexLoader_Normal::GetSize(g_VtxDesc.Normal, m_CurrentVat->g0.NormalFormat, m_CurrentVat->g0.NormalElements, m_CurrentVat->g0.NormalIndex3);
m_normalLoader = VertexLoader_Normal::GetFunction(g_VtxDesc.Normal, m_CurrentVat->g0.NormalFormat, m_CurrentVat->g0.NormalElements, m_CurrentVat->g0.NormalIndex3, true);
if (m_normalLoader == 0)
{
ERROR_LOG(VIDEO, "VertexLoader_Normal::GetFunction returned zero!");
}
AddAttributeLoader(LoadNormal);
switch (m_CurrentVat->g0.NormalFormat) {
case FORMAT_UBYTE:
case FORMAT_BYTE:
if (m_CurrentVat->g0.NormalElements)
m_normalConverter = VertexFormatConverter::LoadNormal3_Byte;
else
m_normalConverter = VertexFormatConverter::LoadNormal1_Byte;
break;
case FORMAT_USHORT:
case FORMAT_SHORT:
if (m_CurrentVat->g0.NormalElements)
m_normalConverter = VertexFormatConverter::LoadNormal3_Short;
else
m_normalConverter = VertexFormatConverter::LoadNormal1_Short;
break;
case FORMAT_FLOAT:
if (m_CurrentVat->g0.NormalElements)
m_normalConverter = VertexFormatConverter::LoadNormal3_Float;
else
m_normalConverter = VertexFormatConverter::LoadNormal1_Float;
break;
default: _assert_(0); break;
}
}
for (int i = 0; i < 2; i++) {
switch (colDesc[i])
{
case NOT_PRESENT:
m_colorLoader[i] = NULL;
break;
case DIRECT:
switch (colComp[i])
{
case FORMAT_16B_565: m_VertexSize += 2; m_colorLoader[i] = (Color_ReadDirect_16b_565); break;
case FORMAT_24B_888: m_VertexSize += 3; m_colorLoader[i] = (Color_ReadDirect_24b_888); break;
case FORMAT_32B_888x: m_VertexSize += 4; m_colorLoader[i] = (Color_ReadDirect_32b_888x); break;
case FORMAT_16B_4444: m_VertexSize += 2; m_colorLoader[i] = (Color_ReadDirect_16b_4444); break;
case FORMAT_24B_6666: m_VertexSize += 3; m_colorLoader[i] = (Color_ReadDirect_24b_6666); break;
case FORMAT_32B_8888: m_VertexSize += 4; m_colorLoader[i] = (Color_ReadDirect_32b_8888); break;
default: _assert_(0); break;
}
AddAttributeLoader(LoadColor, i);
break;
case INDEX8:
m_VertexSize += 1;
switch (colComp[i])
{
case FORMAT_16B_565: m_colorLoader[i] = (Color_ReadIndex8_16b_565); break;
case FORMAT_24B_888: m_colorLoader[i] = (Color_ReadIndex8_24b_888); break;
case FORMAT_32B_888x: m_colorLoader[i] = (Color_ReadIndex8_32b_888x); break;
case FORMAT_16B_4444: m_colorLoader[i] = (Color_ReadIndex8_16b_4444); break;
case FORMAT_24B_6666: m_colorLoader[i] = (Color_ReadIndex8_24b_6666); break;
case FORMAT_32B_8888: m_colorLoader[i] = (Color_ReadIndex8_32b_8888); break;
default: _assert_(0); break;
}
AddAttributeLoader(LoadColor, i);
break;
case INDEX16:
m_VertexSize += 2;
switch (colComp[i])
{
case FORMAT_16B_565: m_colorLoader[i] = (Color_ReadIndex16_16b_565); break;
case FORMAT_24B_888: m_colorLoader[i] = (Color_ReadIndex16_24b_888); break;
case FORMAT_32B_888x: m_colorLoader[i] = (Color_ReadIndex16_32b_888x); break;
case FORMAT_16B_4444: m_colorLoader[i] = (Color_ReadIndex16_16b_4444); break;
case FORMAT_24B_6666: m_colorLoader[i] = (Color_ReadIndex16_24b_6666); break;
case FORMAT_32B_8888: m_colorLoader[i] = (Color_ReadIndex16_32b_8888); break;
default: _assert_(0); break;
}
AddAttributeLoader(LoadColor, i);
break;
}
}
// Texture matrix indices (remove if corresponding texture coordinate isn't enabled)
for (int i = 0; i < 8; i++) {
int elements = tcElements[i];
switch (tcDesc[i])
{
case NOT_PRESENT:
m_texCoordLoader[i] = NULL;
break;
case DIRECT:
switch (tcFormat[i])
{
case FORMAT_UBYTE: m_VertexSize += elements?2:1; m_texCoordLoader[i] = (elements?TexCoord_ReadDirect_UByte2:TexCoord_ReadDirect_UByte1); break;
case FORMAT_BYTE: m_VertexSize += elements?2:1; m_texCoordLoader[i] = (elements?TexCoord_ReadDirect_Byte2:TexCoord_ReadDirect_Byte1); break;
case FORMAT_USHORT: m_VertexSize += elements?4:2; m_texCoordLoader[i] = (elements?TexCoord_ReadDirect_UShort2:TexCoord_ReadDirect_UShort1); break;
case FORMAT_SHORT: m_VertexSize += elements?4:2; m_texCoordLoader[i] = (elements?TexCoord_ReadDirect_Short2:TexCoord_ReadDirect_Short1); break;
case FORMAT_FLOAT: m_VertexSize += elements?8:4; m_texCoordLoader[i] = (elements?TexCoord_ReadDirect_Float2:TexCoord_ReadDirect_Float1); break;
default: _assert_(0); break;
}
AddAttributeLoader(LoadTexCoord, i);
break;
case INDEX8:
m_VertexSize += 1;
switch (tcFormat[i])
{
case FORMAT_UBYTE: m_texCoordLoader[i] = (elements?TexCoord_ReadIndex8_UByte2:TexCoord_ReadIndex8_UByte1); break;
case FORMAT_BYTE: m_texCoordLoader[i] = (elements?TexCoord_ReadIndex8_Byte2:TexCoord_ReadIndex8_Byte1); break;
case FORMAT_USHORT: m_texCoordLoader[i] = (elements?TexCoord_ReadIndex8_UShort2:TexCoord_ReadIndex8_UShort1); break;
case FORMAT_SHORT: m_texCoordLoader[i] = (elements?TexCoord_ReadIndex8_Short2:TexCoord_ReadIndex8_Short1); break;
case FORMAT_FLOAT: m_texCoordLoader[i] = (elements?TexCoord_ReadIndex8_Float2:TexCoord_ReadIndex8_Float1); break;
default: _assert_(0); break;
}
AddAttributeLoader(LoadTexCoord, i);
break;
case INDEX16:
m_VertexSize += 2;
switch (tcFormat[i])
{
case FORMAT_UBYTE: m_texCoordLoader[i] = (elements?TexCoord_ReadIndex16_UByte2:TexCoord_ReadIndex16_UByte1); break;
case FORMAT_BYTE: m_texCoordLoader[i] = (elements?TexCoord_ReadIndex16_Byte2:TexCoord_ReadIndex16_Byte1); break;
case FORMAT_USHORT: m_texCoordLoader[i] = (elements?TexCoord_ReadIndex16_UShort2:TexCoord_ReadIndex16_UShort1); break;
case FORMAT_SHORT: m_texCoordLoader[i] = (elements?TexCoord_ReadIndex16_Short2:TexCoord_ReadIndex16_Short1); break;
case FORMAT_FLOAT: m_texCoordLoader[i] = (elements?TexCoord_ReadIndex16_Float2:TexCoord_ReadIndex16_Float1); break;
default: _assert_(0);
}
AddAttributeLoader(LoadTexCoord, i);
break;
}
}
// special case if only pos and tex coord 0 and tex coord input is AB11
m_TexGenSpecialCase =
((g_VtxDesc.Hex & 0x60600L) == g_VtxDesc.Hex) && // only pos and tex coord 0
(g_VtxDesc.Tex0Coord != NOT_PRESENT) &&
(xfregs.texMtxInfo[0].inputform == XF_TEXINPUT_AB11);
m_SetupUnit->Init(primitiveType);
}
void VertexLoader::LoadVertex()
{
for (int i = 0; i < m_NumAttributeLoaders; i++)
m_AttributeLoaders[i].loader(this, &m_Vertex, m_AttributeLoaders[i].index);
OutputVertexData* outVertex = m_SetupUnit->GetVertex();
// transform input data
TransformUnit::TransformPosition(&m_Vertex, outVertex);
if (g_VtxDesc.Normal != NOT_PRESENT)
{
TransformUnit::TransformNormal(&m_Vertex, m_CurrentVat->g0.NormalElements, outVertex);
}
TransformUnit::TransformColor(&m_Vertex, outVertex);
TransformUnit::TransformTexCoord(&m_Vertex, outVertex, m_TexGenSpecialCase);
m_SetupUnit->SetupVertex();
INCSTAT(stats.thisFrame.numVerticesLoaded)
}
void VertexLoader::AddAttributeLoader(AttributeLoader loader, u8 index)
{
_assert_msg_(VIDEO, m_NumAttributeLoaders < 21, "Too many attribute loaders");
m_AttributeLoaders[m_NumAttributeLoaders].loader = loader;
m_AttributeLoaders[m_NumAttributeLoaders++].index = index;
}
void VertexLoader::LoadPosMtx(VertexLoader *vertexLoader, InputVertexData *vertex, u8 unused)
{
vertex->posMtx = DataReadU8() & 0x3f;
}
void VertexLoader::LoadTexMtx(VertexLoader *vertexLoader, InputVertexData *vertex, u8 index)
{
vertex->texMtx[index] = DataReadU8() & 0x3f;
}
void VertexLoader::LoadPosition(VertexLoader *vertexLoader, InputVertexData *vertex, u8 unused)
{
VertexManager::s_pCurBufferPointer = (u8*)&vertex->position;
vertexLoader->m_positionLoader();
}
void VertexLoader::LoadNormal(VertexLoader *vertexLoader, InputVertexData *vertex, u8 unused)
{
u8 buffer[3*3*4];
VertexManager::s_pCurBufferPointer = buffer;
vertexLoader->m_normalLoader();
// the common vertex loader loads data as bytes, shorts or floats so an extra step is needed to make it floats
vertexLoader->m_normalConverter(vertex, buffer);
}
void VertexLoader::LoadColor(VertexLoader *vertexLoader, InputVertexData *vertex, u8 index)
{
u32 color;
VertexManager::s_pCurBufferPointer = (u8*)&color;
colIndex = index;
vertexLoader->m_colorLoader[index]();
// rgba -> abgr
*(u32*)vertex->color[index] = Common::swap32(color);
}
void VertexLoader::LoadTexCoord(VertexLoader *vertexLoader, InputVertexData *vertex, u8 index)
{
VertexManager::s_pCurBufferPointer = (u8*)&vertex->texCoords[index];
tcIndex = index;
vertexLoader->m_texCoordLoader[index]();
}
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