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// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include "Common/Common.h"
#include "VideoBackends/Software/CPMemLoader.h"
#include "VideoBackends/Software/SetupUnit.h"
#include "VideoBackends/Software/SWStatistics.h"
#include "VideoBackends/Software/SWVertexLoader.h"
#include "VideoBackends/Software/TransformUnit.h"
#include "VideoBackends/Software/XFMemLoader.h"
#include "VideoCommon/DataReader.h"
#include "VideoCommon/VertexLoader_Color.h"
#include "VideoCommon/VertexLoader_Normal.h"
#include "VideoCommon/VertexLoader_Position.h"
#include "VideoCommon/VertexLoader_TextCoord.h"
#include "VideoCommon/VertexManagerBase.h"
// Vertex loaders read these
extern int tcIndex;
extern int colIndex;
extern int colElements[2];
extern float posScale;
extern float tcScale[8];
SWVertexLoader::SWVertexLoader() :
m_VertexSize(0),
m_NumAttributeLoaders(0)
{
VertexLoader_Normal::Init();
VertexLoader_Position::Init();
VertexLoader_TextCoord::Init();
m_SetupUnit = new SetupUnit;
}
SWVertexLoader::~SWVertexLoader()
{
delete m_SetupUnit;
m_SetupUnit = nullptr;
}
void SWVertexLoader::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 u32 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 u32 colDesc[2] = {g_VtxDesc.Color0, g_VtxDesc.Color1};
colElements[0] = m_CurrentVat->g0.Color0Elements;
colElements[1] = m_CurrentVat->g0.Color1Elements;
const u32 colComp[2] = {m_CurrentVat->g0.Color0Comp, m_CurrentVat->g0.Color1Comp};
// TextureCoord
const u32 tcDesc[8] = {
g_VtxDesc.Tex0Coord, g_VtxDesc.Tex1Coord, g_VtxDesc.Tex2Coord, g_VtxDesc.Tex3Coord,
g_VtxDesc.Tex4Coord, g_VtxDesc.Tex5Coord, g_VtxDesc.Tex6Coord, (const u32)((g_VtxDesc.Hex >> 31) & 3)
};
const u32 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 u32 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 = nullptr;
m_normalLoader = nullptr;
m_NumAttributeLoaders = 0;
// Reset vertex
// matrix index from xf regs or cp memory?
if (swxfregs.MatrixIndexA.PosNormalMtxIdx != MatrixIndexA.PosNormalMtxIdx ||
swxfregs.MatrixIndexA.Tex0MtxIdx != MatrixIndexA.Tex0MtxIdx ||
swxfregs.MatrixIndexA.Tex1MtxIdx != MatrixIndexA.Tex1MtxIdx ||
swxfregs.MatrixIndexA.Tex2MtxIdx != MatrixIndexA.Tex2MtxIdx ||
swxfregs.MatrixIndexA.Tex3MtxIdx != MatrixIndexA.Tex3MtxIdx ||
swxfregs.MatrixIndexB.Tex4MtxIdx != MatrixIndexB.Tex4MtxIdx ||
swxfregs.MatrixIndexB.Tex5MtxIdx != MatrixIndexB.Tex5MtxIdx ||
swxfregs.MatrixIndexB.Tex6MtxIdx != MatrixIndexB.Tex6MtxIdx ||
swxfregs.MatrixIndexB.Tex7MtxIdx != MatrixIndexB.Tex7MtxIdx)
{
WARN_LOG(VIDEO, "Matrix indices don't match");
// Just show the assert once
static bool showedAlert = false;
_assert_msg_(VIDEO, showedAlert, "Matrix indices don't match");
showedAlert = true;
}
#if(1)
m_Vertex.posMtx = swxfregs.MatrixIndexA.PosNormalMtxIdx;
m_Vertex.texMtx[0] = swxfregs.MatrixIndexA.Tex0MtxIdx;
m_Vertex.texMtx[1] = swxfregs.MatrixIndexA.Tex1MtxIdx;
m_Vertex.texMtx[2] = swxfregs.MatrixIndexA.Tex2MtxIdx;
m_Vertex.texMtx[3] = swxfregs.MatrixIndexA.Tex3MtxIdx;
m_Vertex.texMtx[4] = swxfregs.MatrixIndexB.Tex4MtxIdx;
m_Vertex.texMtx[5] = swxfregs.MatrixIndexB.Tex5MtxIdx;
m_Vertex.texMtx[6] = swxfregs.MatrixIndexB.Tex6MtxIdx;
m_Vertex.texMtx[7] = swxfregs.MatrixIndexB.Tex7MtxIdx;
#else
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;
#endif
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++;
}
}
// Write vertex position loader
m_positionLoader = VertexLoader_Position::GetFunction(g_VtxDesc.Position, m_CurrentVat->g0.PosFormat, m_CurrentVat->g0.PosElements);
m_VertexSize += VertexLoader_Position::GetSize(g_VtxDesc.Position, m_CurrentVat->g0.PosFormat, m_CurrentVat->g0.PosElements);
AddAttributeLoader(LoadPosition);
// 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);
if (m_normalLoader == nullptr)
{
ERROR_LOG(VIDEO, "VertexLoader_Normal::GetFunction returned zero!");
}
AddAttributeLoader(LoadNormal);
}
for (int i = 0; i < 2; i++)
{
switch (colDesc[i])
{
case NOT_PRESENT:
m_colorLoader[i] = nullptr;
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++)
{
const int desc = tcDesc[i];
const int format = tcFormat[i];
const int elements = tcElements[i];
_assert_msg_(VIDEO, NOT_PRESENT <= desc && desc <= INDEX16, "Invalid texture coordinates description!\n(desc = %d)", desc);
_assert_msg_(VIDEO, FORMAT_UBYTE <= format && format <= FORMAT_FLOAT, "Invalid texture coordinates format!\n(format = %d)", format);
_assert_msg_(VIDEO, 0 <= elements && elements <= 1, "Invalid number of texture coordinates elements!\n(elements = %d)", elements);
m_texCoordLoader[i] = VertexLoader_TextCoord::GetFunction(desc, format, elements);
m_VertexSize += VertexLoader_TextCoord::GetSize(desc, format, elements);
if (m_texCoordLoader[i])
AddAttributeLoader(LoadTexCoord, i);
}
// 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) &&
(swxfregs.texMtxInfo[0].projection == XF_TEXPROJ_ST);
m_SetupUnit->Init(primitiveType);
}
void SWVertexLoader::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(swstats.thisFrame.numVerticesLoaded)
}
void SWVertexLoader::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 SWVertexLoader::LoadPosMtx(SWVertexLoader *vertexLoader, InputVertexData *vertex, u8 unused)
{
vertex->posMtx = DataReadU8() & 0x3f;
}
void SWVertexLoader::LoadTexMtx(SWVertexLoader *vertexLoader, InputVertexData *vertex, u8 index)
{
vertex->texMtx[index] = DataReadU8() & 0x3f;
}
void SWVertexLoader::LoadPosition(SWVertexLoader *vertexLoader, InputVertexData *vertex, u8 unused)
{
VertexManager::s_pCurBufferPointer = (u8*)&vertex->position;
vertexLoader->m_positionLoader();
}
void SWVertexLoader::LoadNormal(SWVertexLoader *vertexLoader, InputVertexData *vertex, u8 unused)
{
VertexManager::s_pCurBufferPointer = (u8*)&vertex->normal;
vertexLoader->m_normalLoader();
}
void SWVertexLoader::LoadColor(SWVertexLoader *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 SWVertexLoader::LoadTexCoord(SWVertexLoader *vertexLoader, InputVertexData *vertex, u8 index)
{
VertexManager::s_pCurBufferPointer = (u8*)&vertex->texCoords[index];
tcIndex = index;
vertexLoader->m_texCoordLoader[index]();
}
void SWVertexLoader::DoState(PointerWrap &p)
{
p.DoArray(m_AttributeLoaders, sizeof m_AttributeLoaders);
p.Do(m_VertexSize);
p.Do(*m_CurrentVat);
p.Do(m_positionLoader);
p.Do(m_normalLoader);
p.DoArray(m_colorLoader, sizeof m_colorLoader);
p.Do(m_NumAttributeLoaders);
m_SetupUnit->DoState(p);
p.Do(m_TexGenSpecialCase);
}
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