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			233 lines
		
	
	
	
		
			8.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			233 lines
		
	
	
	
		
			8.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // Copyright 2014 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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| 
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| #include <cinttypes>
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| #include <cstring>
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| #include <memory>
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| #include <string>
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| #include <vector>
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| 
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| #include "Common/CommonTypes.h"
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| #include "Common/Logging/Log.h"
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| #include "Common/MsgHandler.h"
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| #include "Common/StringUtil.h"
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| 
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| #include "VideoCommon/DataReader.h"
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| #include "VideoCommon/VertexLoader.h"
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| #include "VideoCommon/VertexLoaderBase.h"
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| 
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| #ifdef _M_X86_64
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| #include "VideoCommon/VertexLoaderX64.h"
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| #elif defined(_M_ARM_64)
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| #include "VideoCommon/VertexLoaderARM64.h"
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| #endif
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| 
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| VertexLoaderBase::VertexLoaderBase(const TVtxDesc& vtx_desc, const VAT& vtx_attr)
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| {
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|   m_numLoadedVertices = 0;
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|   m_VertexSize = 0;
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|   m_native_vertex_format = nullptr;
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|   m_native_components = 0;
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|   memset(&m_native_vtx_decl, 0, sizeof(m_native_vtx_decl));
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| 
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|   SetVAT(vtx_attr);
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|   m_VtxDesc = vtx_desc;
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|   m_vat = vtx_attr;
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| }
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| 
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| void VertexLoaderBase::SetVAT(const VAT& vat)
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| {
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|   m_VtxAttr.PosElements = vat.g0.PosElements;
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|   m_VtxAttr.PosFormat = vat.g0.PosFormat;
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|   m_VtxAttr.PosFrac = vat.g0.PosFrac;
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|   m_VtxAttr.NormalElements = vat.g0.NormalElements;
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|   m_VtxAttr.NormalFormat = vat.g0.NormalFormat;
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|   m_VtxAttr.color[0].Elements = vat.g0.Color0Elements;
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|   m_VtxAttr.color[0].Comp = vat.g0.Color0Comp;
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|   m_VtxAttr.color[1].Elements = vat.g0.Color1Elements;
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|   m_VtxAttr.color[1].Comp = vat.g0.Color1Comp;
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|   m_VtxAttr.texCoord[0].Elements = vat.g0.Tex0CoordElements;
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|   m_VtxAttr.texCoord[0].Format = vat.g0.Tex0CoordFormat;
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|   m_VtxAttr.texCoord[0].Frac = vat.g0.Tex0Frac;
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|   m_VtxAttr.ByteDequant = vat.g0.ByteDequant;
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|   m_VtxAttr.NormalIndex3 = vat.g0.NormalIndex3;
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| 
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|   m_VtxAttr.texCoord[1].Elements = vat.g1.Tex1CoordElements;
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|   m_VtxAttr.texCoord[1].Format = vat.g1.Tex1CoordFormat;
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|   m_VtxAttr.texCoord[1].Frac = vat.g1.Tex1Frac;
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|   m_VtxAttr.texCoord[2].Elements = vat.g1.Tex2CoordElements;
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|   m_VtxAttr.texCoord[2].Format = vat.g1.Tex2CoordFormat;
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|   m_VtxAttr.texCoord[2].Frac = vat.g1.Tex2Frac;
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|   m_VtxAttr.texCoord[3].Elements = vat.g1.Tex3CoordElements;
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|   m_VtxAttr.texCoord[3].Format = vat.g1.Tex3CoordFormat;
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|   m_VtxAttr.texCoord[3].Frac = vat.g1.Tex3Frac;
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|   m_VtxAttr.texCoord[4].Elements = vat.g1.Tex4CoordElements;
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|   m_VtxAttr.texCoord[4].Format = vat.g1.Tex4CoordFormat;
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| 
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|   m_VtxAttr.texCoord[4].Frac = vat.g2.Tex4Frac;
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|   m_VtxAttr.texCoord[5].Elements = vat.g2.Tex5CoordElements;
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|   m_VtxAttr.texCoord[5].Format = vat.g2.Tex5CoordFormat;
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|   m_VtxAttr.texCoord[5].Frac = vat.g2.Tex5Frac;
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|   m_VtxAttr.texCoord[6].Elements = vat.g2.Tex6CoordElements;
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|   m_VtxAttr.texCoord[6].Format = vat.g2.Tex6CoordFormat;
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|   m_VtxAttr.texCoord[6].Frac = vat.g2.Tex6Frac;
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|   m_VtxAttr.texCoord[7].Elements = vat.g2.Tex7CoordElements;
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|   m_VtxAttr.texCoord[7].Format = vat.g2.Tex7CoordFormat;
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|   m_VtxAttr.texCoord[7].Frac = vat.g2.Tex7Frac;
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| };
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| 
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| void VertexLoaderBase::AppendToString(std::string* dest) const
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| {
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|   dest->reserve(250);
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| 
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|   dest->append(GetName());
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|   dest->append(": ");
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| 
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|   static const char* posMode[4] = {
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|       "Inv", "Dir", "I8", "I16",
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|   };
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|   static const char* posFormats[8] = {
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|       "u8", "s8", "u16", "s16", "flt", "Inv", "Inv", "Inv",
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|   };
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|   static const char* colorFormat[8] = {
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|       "565", "888", "888x", "4444", "6666", "8888", "Inv", "Inv",
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|   };
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| 
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|   dest->append(StringFromFormat("%ib skin: %i P: %i %s-%s ", m_VertexSize, (u32)m_VtxDesc.PosMatIdx,
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|                                 m_VtxAttr.PosElements ? 3 : 2, posMode[m_VtxDesc.Position],
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|                                 posFormats[m_VtxAttr.PosFormat]));
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| 
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|   if (m_VtxDesc.Normal)
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|   {
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|     dest->append(StringFromFormat("Nrm: %i %s-%s ", m_VtxAttr.NormalElements,
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|                                   posMode[m_VtxDesc.Normal], posFormats[m_VtxAttr.NormalFormat]));
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|   }
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| 
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|   u64 color_mode[2] = {m_VtxDesc.Color0, m_VtxDesc.Color1};
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|   for (int i = 0; i < 2; i++)
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|   {
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|     if (color_mode[i])
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|     {
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|       dest->append(StringFromFormat("C%i: %i %s-%s ", i, m_VtxAttr.color[i].Elements,
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|                                     posMode[color_mode[i]], colorFormat[m_VtxAttr.color[i].Comp]));
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|     }
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|   }
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|   u64 tex_mode[8] = {m_VtxDesc.Tex0Coord, m_VtxDesc.Tex1Coord, m_VtxDesc.Tex2Coord,
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|                      m_VtxDesc.Tex3Coord, m_VtxDesc.Tex4Coord, m_VtxDesc.Tex5Coord,
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|                      m_VtxDesc.Tex6Coord, m_VtxDesc.Tex7Coord};
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|   for (int i = 0; i < 8; i++)
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|   {
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|     if (tex_mode[i])
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|     {
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|       dest->append(StringFromFormat("T%i: %i %s-%s ", i, m_VtxAttr.texCoord[i].Elements,
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|                                     posMode[tex_mode[i]],
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|                                     posFormats[m_VtxAttr.texCoord[i].Format]));
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|     }
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|   }
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|   dest->append(StringFromFormat(" - %i v", m_numLoadedVertices));
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| }
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| 
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| // a hacky implementation to compare two vertex loaders
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| class VertexLoaderTester : public VertexLoaderBase
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| {
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| public:
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|   VertexLoaderTester(std::unique_ptr<VertexLoaderBase> a_, std::unique_ptr<VertexLoaderBase> b_,
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|                      const TVtxDesc& vtx_desc, const VAT& vtx_attr)
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|       : VertexLoaderBase(vtx_desc, vtx_attr), a(std::move(a_)), b(std::move(b_))
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|   {
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|     m_initialized = a && b && a->IsInitialized() && b->IsInitialized();
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| 
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|     if (m_initialized)
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|     {
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|       m_initialized = a->m_VertexSize == b->m_VertexSize &&
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|                       a->m_native_components == b->m_native_components &&
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|                       a->m_native_vtx_decl.stride == b->m_native_vtx_decl.stride;
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| 
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|       if (m_initialized)
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|       {
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|         m_VertexSize = a->m_VertexSize;
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|         m_native_components = a->m_native_components;
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|         memcpy(&m_native_vtx_decl, &a->m_native_vtx_decl, sizeof(PortableVertexDeclaration));
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|       }
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|       else
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|       {
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|         ERROR_LOG(VIDEO, "Can't compare vertex loaders that expect different vertex formats!");
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|         ERROR_LOG(VIDEO, "a: m_VertexSize %d, m_native_components 0x%08x, stride %d",
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|                   a->m_VertexSize, a->m_native_components, a->m_native_vtx_decl.stride);
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|         ERROR_LOG(VIDEO, "b: m_VertexSize %d, m_native_components 0x%08x, stride %d",
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|                   b->m_VertexSize, b->m_native_components, b->m_native_vtx_decl.stride);
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|       }
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|     }
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|   }
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|   ~VertexLoaderTester() override {}
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|   int RunVertices(DataReader src, DataReader dst, int count) override
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|   {
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|     buffer_a.resize(count * a->m_native_vtx_decl.stride + 4);
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|     buffer_b.resize(count * b->m_native_vtx_decl.stride + 4);
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| 
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|     int count_a =
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|         a->RunVertices(src, DataReader(buffer_a.data(), buffer_a.data() + buffer_a.size()), count);
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|     int count_b =
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|         b->RunVertices(src, DataReader(buffer_b.data(), buffer_b.data() + buffer_b.size()), count);
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| 
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|     if (count_a != count_b)
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|       ERROR_LOG(VIDEO,
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|                 "The two vertex loaders have loaded a different amount of vertices (a: %d, b: %d).",
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|                 count_a, count_b);
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| 
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|     if (memcmp(buffer_a.data(), buffer_b.data(),
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|                std::min(count_a, count_b) * m_native_vtx_decl.stride))
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|       ERROR_LOG(VIDEO, "The two vertex loaders have loaded different data "
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|                        "(guru meditation 0x%016" PRIx64 ", 0x%08x, 0x%08x, 0x%08x).",
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|                 m_VtxDesc.Hex, m_vat.g0.Hex, m_vat.g1.Hex, m_vat.g2.Hex);
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| 
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|     memcpy(dst.GetPointer(), buffer_a.data(), count_a * m_native_vtx_decl.stride);
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|     m_numLoadedVertices += count;
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|     return count_a;
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|   }
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|   std::string GetName() const override { return "CompareLoader"; }
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|   bool IsInitialized() override { return m_initialized; }
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| private:
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|   bool m_initialized;
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| 
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|   std::unique_ptr<VertexLoaderBase> a;
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|   std::unique_ptr<VertexLoaderBase> b;
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| 
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|   std::vector<u8> buffer_a;
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|   std::vector<u8> buffer_b;
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| };
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| 
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| std::unique_ptr<VertexLoaderBase> VertexLoaderBase::CreateVertexLoader(const TVtxDesc& vtx_desc,
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|                                                                        const VAT& vtx_attr)
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| {
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|   std::unique_ptr<VertexLoaderBase> loader;
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| 
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| //#define COMPARE_VERTEXLOADERS
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| 
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| #if defined(COMPARE_VERTEXLOADERS) && defined(_M_X86_64)
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|   // first try: Any new VertexLoader vs the old one
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|   loader = std::make_unique<VertexLoaderTester>(
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|       std::make_unique<VertexLoader>(vtx_desc, vtx_attr),     // the software one
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|       std::make_unique<VertexLoaderX64>(vtx_desc, vtx_attr),  // the new one to compare
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|       vtx_desc, vtx_attr);
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|   if (loader->IsInitialized())
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|     return loader;
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| #elif defined(_M_X86_64)
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|   loader = std::make_unique<VertexLoaderX64>(vtx_desc, vtx_attr);
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|   if (loader->IsInitialized())
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|     return loader;
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| #elif defined(_M_ARM_64)
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|   loader = std::make_unique<VertexLoaderARM64>(vtx_desc, vtx_attr);
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|   if (loader->IsInitialized())
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|     return loader;
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| #endif
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| 
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|   // last try: The old VertexLoader
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|   loader = std::make_unique<VertexLoader>(vtx_desc, vtx_attr);
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|   if (loader->IsInitialized())
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|     return loader;
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| 
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|   PanicAlert("No Vertex Loader found.");
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|   return nullptr;
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| }
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