forked from dolphin-emu/dolphin
		
	This is required to make packing consistent between compilers: with u32, MSVC would not allocate a bitfield that spans two u32s (it would leave a "hole").
		
			
				
	
	
		
			328 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			328 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright 2013 Dolphin Emulator Project
 | 
						|
// Licensed under GPLv2
 | 
						|
// Refer to the license.txt file included.
 | 
						|
 | 
						|
#include "Common/ChunkFile.h"
 | 
						|
#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.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"
 | 
						|
 | 
						|
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 u64 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 u64 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 u64 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.Tex7Coord
 | 
						|
	};
 | 
						|
	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 (xfmem.MatrixIndexA.PosNormalMtxIdx != MatrixIndexA.PosNormalMtxIdx ||
 | 
						|
		xfmem.MatrixIndexA.Tex0MtxIdx != MatrixIndexA.Tex0MtxIdx ||
 | 
						|
		xfmem.MatrixIndexA.Tex1MtxIdx != MatrixIndexA.Tex1MtxIdx ||
 | 
						|
		xfmem.MatrixIndexA.Tex2MtxIdx != MatrixIndexA.Tex2MtxIdx ||
 | 
						|
		xfmem.MatrixIndexA.Tex3MtxIdx != MatrixIndexA.Tex3MtxIdx ||
 | 
						|
		xfmem.MatrixIndexB.Tex4MtxIdx != MatrixIndexB.Tex4MtxIdx ||
 | 
						|
		xfmem.MatrixIndexB.Tex5MtxIdx != MatrixIndexB.Tex5MtxIdx ||
 | 
						|
		xfmem.MatrixIndexB.Tex6MtxIdx != MatrixIndexB.Tex6MtxIdx ||
 | 
						|
		xfmem.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 = xfmem.MatrixIndexA.PosNormalMtxIdx;
 | 
						|
	m_Vertex.texMtx[0] = xfmem.MatrixIndexA.Tex0MtxIdx;
 | 
						|
	m_Vertex.texMtx[1] = xfmem.MatrixIndexA.Tex1MtxIdx;
 | 
						|
	m_Vertex.texMtx[2] = xfmem.MatrixIndexA.Tex2MtxIdx;
 | 
						|
	m_Vertex.texMtx[3] = xfmem.MatrixIndexA.Tex3MtxIdx;
 | 
						|
	m_Vertex.texMtx[4] = xfmem.MatrixIndexB.Tex4MtxIdx;
 | 
						|
	m_Vertex.texMtx[5] = xfmem.MatrixIndexB.Tex5MtxIdx;
 | 
						|
	m_Vertex.texMtx[6] = xfmem.MatrixIndexB.Tex6MtxIdx;
 | 
						|
	m_Vertex.texMtx[7] = xfmem.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 = (int)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) &&
 | 
						|
		(xfmem.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);
 | 
						|
}
 |