VideoCommon: split VertexLoaderBase from VertexLoader

17 files changed, 309 insertions, 251 deletions

diff --git a/Source/Core/VideoBackends/OGL/Render.cpp b/Source/Core/VideoBackends/OGL/Render.cpp
index af344c344c..a03f8cd61d 100644
--- a/Source/Core/VideoBackends/OGL/Render.cpp
+++ b/Source/Core/VideoBackends/OGL/Render.cpp
@@ -43,7 +43,6 @@
 #include "VideoCommon/OnScreenDisplay.h"
 #include "VideoCommon/PixelEngine.h"
 #include "VideoCommon/Statistics.h"
-#include "VideoCommon/VertexLoader.h"
 #include "VideoCommon/VertexLoaderManager.h"
 #include "VideoCommon/VertexShaderGen.h"
 #include "VideoCommon/VertexShaderManager.h"
diff --git a/Source/Core/VideoBackends/OGL/main.cpp b/Source/Core/VideoBackends/OGL/main.cpp
index 8642d78cc1..6969b97ba4 100644
--- a/Source/Core/VideoBackends/OGL/main.cpp
+++ b/Source/Core/VideoBackends/OGL/main.cpp
@@ -74,7 +74,6 @@ Make AA apply instantly during gameplay if possible
 #include "VideoCommon/OpcodeDecoding.h"
 #include "VideoCommon/PixelEngine.h"
 #include "VideoCommon/PixelShaderManager.h"
-#include "VideoCommon/VertexLoader.h"
 #include "VideoCommon/VertexLoaderManager.h"
 #include "VideoCommon/VertexShaderManager.h"
 #include "VideoCommon/VideoConfig.h"
diff --git a/Source/Core/VideoBackends/Software/NativeVertexFormat.h b/Source/Core/VideoBackends/Software/NativeVertexFormat.h
index ad71e2caf9..c4f140cac4 100644
--- a/Source/Core/VideoBackends/Software/NativeVertexFormat.h
+++ b/Source/Core/VideoBackends/Software/NativeVertexFormat.h
@@ -7,14 +7,6 @@
 #include "Common/ChunkFile.h"
 #include "VideoBackends/Software/Vec3.h"
 
-#ifdef WIN32
-#define LOADERDECL __cdecl
-#else
-#define LOADERDECL
-#endif
-
-typedef void (LOADERDECL *TPipelineFunction)();
-
 struct Vec4
 {
 	float x;
diff --git a/Source/Core/VideoBackends/Software/SWVertexLoader.cpp b/Source/Core/VideoBackends/Software/SWVertexLoader.cpp
index fecfb94abe..2523b5b01a 100644
--- a/Source/Core/VideoBackends/Software/SWVertexLoader.cpp
+++ b/Source/Core/VideoBackends/Software/SWVertexLoader.cpp
@@ -13,12 +13,8 @@
 #include "VideoBackends/Software/TransformUnit.h"
 #include "VideoBackends/Software/XFMemLoader.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"
+#include "VideoCommon/VertexLoaderBase.h"
+#include "VideoCommon/VertexLoaderUtils.h"
 
 SWVertexLoader::SWVertexLoader() :
 	m_VertexSize(0)
@@ -42,8 +38,8 @@ void SWVertexLoader::SetFormat(u8 attributeIndex, u8 primitiveType)
 
 	if (!m_CurrentLoader)
 	{
-		m_CurrentLoader = new VertexLoader(g_main_cp_state.vtx_desc, g_main_cp_state.vtx_attr[m_attributeIndex]);
-		m_VertexLoaderMap[uid] = std::unique_ptr<VertexLoader>(m_CurrentLoader);
+		m_CurrentLoader = VertexLoaderBase::CreateVertexLoader(g_main_cp_state.vtx_desc, g_main_cp_state.vtx_attr[m_attributeIndex]);
+		m_VertexLoaderMap[uid] = std::unique_ptr<VertexLoaderBase>(m_CurrentLoader);
 	}
 
 	m_VertexSize = m_CurrentLoader->m_VertexSize;
diff --git a/Source/Core/VideoBackends/Software/SWVertexLoader.h b/Source/Core/VideoBackends/Software/SWVertexLoader.h
index fe4e5347ba..890d1fa52d 100644
--- a/Source/Core/VideoBackends/Software/SWVertexLoader.h
+++ b/Source/Core/VideoBackends/Software/SWVertexLoader.h
@@ -9,7 +9,7 @@
 #include "VideoBackends/Software/CPMemLoader.h"
 #include "VideoBackends/Software/NativeVertexFormat.h"
 
-#include "VideoCommon/VertexLoader.h"
+#include "VideoCommon/VertexLoaderBase.h"
 
 class PointerWrap;
 class SetupUnit;
@@ -28,9 +28,9 @@ class SWVertexLoader
 
 	bool m_TexGenSpecialCase;
 
-	std::unordered_map<VertexLoaderUID, std::unique_ptr<VertexLoader>> m_VertexLoaderMap;
+	std::unordered_map<VertexLoaderUID, std::unique_ptr<VertexLoaderBase>> m_VertexLoaderMap;
 	std::vector<u8> m_LoadedVertices;
-	VertexLoader* m_CurrentLoader;
+	VertexLoaderBase* m_CurrentLoader;
 
 	u8 m_attributeIndex;
 	u8 m_primitiveType;
diff --git a/Source/Core/VideoCommon/BPStructs.cpp b/Source/Core/VideoCommon/BPStructs.cpp
index 6c4ad70331..44f6964cfb 100644
--- a/Source/Core/VideoCommon/BPStructs.cpp
+++ b/Source/Core/VideoCommon/BPStructs.cpp
@@ -21,7 +21,6 @@
 #include "VideoCommon/RenderBase.h"
 #include "VideoCommon/Statistics.h"
 #include "VideoCommon/TextureDecoder.h"
-#include "VideoCommon/VertexLoader.h"
 #include "VideoCommon/VertexShaderManager.h"
 #include "VideoCommon/VideoCommon.h"
 #include "VideoCommon/VideoConfig.h"
diff --git a/Source/Core/VideoCommon/CMakeLists.txt b/Source/Core/VideoCommon/CMakeLists.txt
index 95ebaf7433..a450a8e379 100644
--- a/Source/Core/VideoCommon/CMakeLists.txt
+++ b/Source/Core/VideoCommon/CMakeLists.txt
@@ -28,6 +28,7 @@ set(SRCS	BoundingBox.cpp
 			TextureConversionShader.cpp
 			TextureDecoder_Common.cpp
 			VertexLoader.cpp
+			VertexLoaderBase.cpp
 			VertexLoaderManager.cpp
 			VertexLoader_Color.cpp
 			VertexLoader_Normal.cpp
diff --git a/Source/Core/VideoCommon/CPMemory.h b/Source/Core/VideoCommon/CPMemory.h
index d61fbb02c4..e348f7f38d 100644
--- a/Source/Core/VideoCommon/CPMemory.h
+++ b/Source/Core/VideoCommon/CPMemory.h
@@ -232,7 +232,7 @@ struct VAT
 	UVAT_group2 g2;
 };
 
-class VertexLoader;
+class VertexLoaderBase;
 
 // STATE_TO_SAVE
 struct CPState final
@@ -247,7 +247,7 @@ struct CPState final
 
 	// Attributes that actually belong to VertexLoaderManager:
 	BitSet32 attr_dirty;
-	VertexLoader* vertex_loaders[8];
+	VertexLoaderBase* vertex_loaders[8];
 };
 
 class PointerWrap;
diff --git a/Source/Core/VideoCommon/NativeVertexFormat.h b/Source/Core/VideoCommon/NativeVertexFormat.h
index 612f671f5d..024f4f070d 100644
--- a/Source/Core/VideoCommon/NativeVertexFormat.h
+++ b/Source/Core/VideoCommon/NativeVertexFormat.h
@@ -44,14 +44,6 @@ enum
 	VB_HAS_UVTEXMTXSHIFT=13,
 };
 
-#ifdef WIN32
-#define LOADERDECL __cdecl
-#else
-#define LOADERDECL
-#endif
-
-typedef void (LOADERDECL *TPipelineFunction)();
-
 enum VarType
 {
 	VAR_UNSIGNED_BYTE,  // GX_U8  = 0
diff --git a/Source/Core/VideoCommon/VertexLoader.cpp b/Source/Core/VideoCommon/VertexLoader.cpp
index ddf5097986..32cb95607b 100644
--- a/Source/Core/VideoCommon/VertexLoader.cpp
+++ b/Source/Core/VideoCommon/VertexLoader.cpp
@@ -4,7 +4,6 @@
 
 #include "Common/CommonTypes.h"
 #include "Common/MemoryUtil.h"
-#include "Common/StringUtil.h"
 #include "Common/x64ABI.h"
 #include "Common/x64Emitter.h"
 
@@ -109,19 +108,13 @@ static void LOADERDECL TexMtx_Write_Float4()
 }
 
 VertexLoader::VertexLoader(const TVtxDesc &vtx_desc, const VAT &vtx_attr)
+: VertexLoaderBase(vtx_desc, vtx_attr)
 {
 	m_compiledCode = nullptr;
-	m_numLoadedVertices = 0;
-	m_VertexSize = 0;
-	m_native_vertex_format = nullptr;
 	VertexLoader_Normal::Init();
 	VertexLoader_Position::Init();
 	VertexLoader_TextCoord::Init();
 
-	m_VtxDesc = vtx_desc;
-	m_vat = vtx_attr;
-	SetVAT(vtx_attr);
-
 	#ifdef USE_VERTEX_LOADER_JIT
 	AllocCodeSpace(COMPILED_CODE_SIZE);
 	CompileVertexTranslator();
@@ -130,7 +123,6 @@ VertexLoader::VertexLoader(const TVtxDesc &vtx_desc, const VAT &vtx_attr)
 	m_numPipelineStages = 0;
 	CompileVertexTranslator();
 	#endif
-
 }
 
 VertexLoader::~VertexLoader()
@@ -489,105 +481,3 @@ int VertexLoader::RunVertices(int primitive, int count, DataReader src, DataRead
 	ConvertVertices(count);
 	return count;
 }
-
-void VertexLoader::SetVAT(const VAT& vat)
-{
-	m_VtxAttr.PosElements          = vat.g0.PosElements;
-	m_VtxAttr.PosFormat            = vat.g0.PosFormat;
-	m_VtxAttr.PosFrac              = vat.g0.PosFrac;
-	m_VtxAttr.NormalElements       = vat.g0.NormalElements;
-	m_VtxAttr.NormalFormat         = vat.g0.NormalFormat;
-	m_VtxAttr.color[0].Elements    = vat.g0.Color0Elements;
-	m_VtxAttr.color[0].Comp        = vat.g0.Color0Comp;
-	m_VtxAttr.color[1].Elements    = vat.g0.Color1Elements;
-	m_VtxAttr.color[1].Comp        = vat.g0.Color1Comp;
-	m_VtxAttr.texCoord[0].Elements = vat.g0.Tex0CoordElements;
-	m_VtxAttr.texCoord[0].Format   = vat.g0.Tex0CoordFormat;
-	m_VtxAttr.texCoord[0].Frac     = vat.g0.Tex0Frac;
-	m_VtxAttr.ByteDequant          = vat.g0.ByteDequant;
-	m_VtxAttr.NormalIndex3         = vat.g0.NormalIndex3;
-
-	m_VtxAttr.texCoord[1].Elements = vat.g1.Tex1CoordElements;
-	m_VtxAttr.texCoord[1].Format   = vat.g1.Tex1CoordFormat;
-	m_VtxAttr.texCoord[1].Frac     = vat.g1.Tex1Frac;
-	m_VtxAttr.texCoord[2].Elements = vat.g1.Tex2CoordElements;
-	m_VtxAttr.texCoord[2].Format   = vat.g1.Tex2CoordFormat;
-	m_VtxAttr.texCoord[2].Frac     = vat.g1.Tex2Frac;
-	m_VtxAttr.texCoord[3].Elements = vat.g1.Tex3CoordElements;
-	m_VtxAttr.texCoord[3].Format   = vat.g1.Tex3CoordFormat;
-	m_VtxAttr.texCoord[3].Frac     = vat.g1.Tex3Frac;
-	m_VtxAttr.texCoord[4].Elements = vat.g1.Tex4CoordElements;
-	m_VtxAttr.texCoord[4].Format   = vat.g1.Tex4CoordFormat;
-
-	m_VtxAttr.texCoord[4].Frac     = vat.g2.Tex4Frac;
-	m_VtxAttr.texCoord[5].Elements = vat.g2.Tex5CoordElements;
-	m_VtxAttr.texCoord[5].Format   = vat.g2.Tex5CoordFormat;
-	m_VtxAttr.texCoord[5].Frac     = vat.g2.Tex5Frac;
-	m_VtxAttr.texCoord[6].Elements = vat.g2.Tex6CoordElements;
-	m_VtxAttr.texCoord[6].Format   = vat.g2.Tex6CoordFormat;
-	m_VtxAttr.texCoord[6].Frac     = vat.g2.Tex6Frac;
-	m_VtxAttr.texCoord[7].Elements = vat.g2.Tex7CoordElements;
-	m_VtxAttr.texCoord[7].Format   = vat.g2.Tex7CoordFormat;
-	m_VtxAttr.texCoord[7].Frac     = vat.g2.Tex7Frac;
-
-	if (!m_VtxAttr.ByteDequant)
-	{
-		ERROR_LOG(VIDEO, "ByteDequant is set to zero");
-	}
-};
-
-void VertexLoader::AppendToString(std::string *dest) const
-{
-	dest->reserve(250);
-	static const char *posMode[4] = {
-		"Inv",
-		"Dir",
-		"I8",
-		"I16",
-	};
-	static const char *posFormats[5] = {
-		"u8", "s8", "u16", "s16", "flt",
-	};
-	static const char *colorFormat[8] = {
-		"565",
-		"888",
-		"888x",
-		"4444",
-		"6666",
-		"8888",
-		"Inv",
-		"Inv",
-	};
-
-	dest->append(StringFromFormat("%ib skin: %i P: %i %s-%s ",
-		m_VertexSize, (u32)m_VtxDesc.PosMatIdx,
-		m_VtxAttr.PosElements ? 3 : 2, posMode[m_VtxDesc.Position], posFormats[m_VtxAttr.PosFormat]));
-
-	if (m_VtxDesc.Normal)
-	{
-		dest->append(StringFromFormat("Nrm: %i %s-%s ",
-			m_VtxAttr.NormalElements, posMode[m_VtxDesc.Normal], posFormats[m_VtxAttr.NormalFormat]));
-	}
-
-	u64 color_mode[2] = {m_VtxDesc.Color0, m_VtxDesc.Color1};
-	for (int i = 0; i < 2; i++)
-	{
-		if (color_mode[i])
-		{
-			dest->append(StringFromFormat("C%i: %i %s-%s ", i, m_VtxAttr.color[i].Elements, posMode[color_mode[i]], colorFormat[m_VtxAttr.color[i].Comp]));
-		}
-	}
-	u64 tex_mode[8] = {
-		m_VtxDesc.Tex0Coord, m_VtxDesc.Tex1Coord, m_VtxDesc.Tex2Coord, m_VtxDesc.Tex3Coord,
-		m_VtxDesc.Tex4Coord, m_VtxDesc.Tex5Coord, m_VtxDesc.Tex6Coord, m_VtxDesc.Tex7Coord
-	};
-	for (int i = 0; i < 8; i++)
-	{
-		if (tex_mode[i])
-		{
-			dest->append(StringFromFormat("T%i: %i %s-%s ",
-				i, m_VtxAttr.texCoord[i].Elements, posMode[tex_mode[i]], posFormats[m_VtxAttr.texCoord[i].Format]));
-		}
-	}
-	dest->append(StringFromFormat(" - %i v\n", m_numLoadedVertices));
-}
diff --git a/Source/Core/VideoCommon/VertexLoader.h b/Source/Core/VideoCommon/VertexLoader.h
index 0e1f60792a..0d886735ca 100644
--- a/Source/Core/VideoCommon/VertexLoader.h
+++ b/Source/Core/VideoCommon/VertexLoader.h
@@ -16,6 +16,7 @@
 #include "VideoCommon/CPMemory.h"
 #include "VideoCommon/DataReader.h"
 #include "VideoCommon/NativeVertexFormat.h"
+#include "VideoCommon/VertexLoaderBase.h"
 #include "VideoCommon/VertexLoaderUtils.h"
 
 #if _M_SSE >= 0x401
@@ -29,6 +30,14 @@
 #define USE_VERTEX_LOADER_JIT
 #endif
 
+#ifdef WIN32
+#define LOADERDECL __cdecl
+#else
+#define LOADERDECL
+#endif
+
+typedef void (LOADERDECL *TPipelineFunction)();
+
 // They are used for the communication with the loader functions
 extern int tcIndex;
 extern int colIndex;
@@ -36,105 +45,31 @@ extern int colElements[2];
 GC_ALIGNED128(extern float posScale[4]);
 GC_ALIGNED64(extern float tcScale[8][2]);
 
-class VertexLoaderUID
-{
-	u32 vid[5];
-	size_t hash;
-public:
-	VertexLoaderUID()
-	{
-	}
-
-	VertexLoaderUID(const TVtxDesc& vtx_desc, const VAT& vat)
-	{
-		vid[0] = vtx_desc.Hex & 0xFFFFFFFF;
-		vid[1] = vtx_desc.Hex >> 32;
-		vid[2] = vat.g0.Hex;
-		vid[3] = vat.g1.Hex;
-		vid[4] = vat.g2.Hex;
-		hash = CalculateHash();
-	}
-
-	bool operator == (const VertexLoaderUID& rh) const
-	{
-		return hash == rh.hash && std::equal(vid, vid + sizeof(vid) / sizeof(vid[0]), rh.vid);
-	}
-
-	size_t GetHash() const
-	{
-		return hash;
-	}
-
-private:
-
-	size_t CalculateHash()
-	{
-		size_t h = -1;
-
-		for (auto word : vid)
-		{
-			h = h * 137 + word;
-		}
-
-		return h;
-	}
-};
-
-namespace std
-{
-template <> struct hash<VertexLoaderUID>
-{
-	size_t operator()(const VertexLoaderUID& uid) const
-	{
-		return uid.GetHash();
-	}
-};
-}
-
 // ARMTODO: This should be done in a better way
 #ifndef _M_GENERIC
-class VertexLoader : public Gen::X64CodeBlock
+class VertexLoader : public Gen::X64CodeBlock, public VertexLoaderBase
 #else
-class VertexLoader
+class VertexLoader : public VertexLoaderBase
 #endif
 {
 public:
 	VertexLoader(const TVtxDesc &vtx_desc, const VAT &vtx_attr);
 	~VertexLoader();
 
-	void SetupRunVertices(int primitive, int const count);
-	int RunVertices(int primitive, int count, DataReader src, DataReader dst);
-
-	// For debugging / profiling
-	void AppendToString(std::string *dest) const;
-
-	// per loader public state
-	int m_VertexSize;      // number of bytes of a raw GC vertex
-	PortableVertexDeclaration m_native_vtx_decl;
-	u32 m_native_components;
-
-	// used by VertexLoaderManager
-	NativeVertexFormat* m_native_vertex_format;
-	int m_numLoadedVertices;
+	int RunVertices(int primitive, int count, DataReader src, DataReader dst) override;
+	std::string GetName() const override { return "OldLoader"; }
+	bool IsInitialized() override { return true; } // This vertex loader supports all formats
 
 private:
-	// GC vertex format
-	TVtxAttr m_VtxAttr;  // VAT decoded into easy format
-	TVtxDesc m_VtxDesc;  // Not really used currently - or well it is, but could be easily avoided.
-	VAT m_vat;
-
 #ifndef USE_VERTEX_LOADER_JIT
 	// Pipeline.
 	TPipelineFunction m_PipelineStages[64];  // TODO - figure out real max. it's lower.
 	int m_numPipelineStages;
 #endif
 
-	const u8 *m_compiledCode;
-
-	void SetVAT(const VAT& vat);
-
 	void CompileVertexTranslator();
 	void ConvertVertices(int count);
+	void SetupRunVertices(int primitive, int const count);
 
 	void WriteCall(TPipelineFunction);
 
@@ -142,6 +77,8 @@ private:
 	void WriteGetVariable(int bits, Gen::OpArg dest, void *address);
 	void WriteSetVariable(int bits, void *address, Gen::OpArg dest);
 #endif
+
+	const u8 *m_compiledCode;
 };
 
 #if _M_SSE >= 0x301
diff --git a/Source/Core/VideoCommon/VertexLoaderBase.cpp b/Source/Core/VideoCommon/VertexLoaderBase.cpp
new file mode 100644
index 0000000000..4372729506
--- /dev/null
+++ b/Source/Core/VideoCommon/VertexLoaderBase.cpp
@@ -0,0 +1,139 @@
+// Copyright 2014 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include "Common/StringUtil.h"
+
+#include "VideoCommon/VertexLoader.h"
+#include "VideoCommon/VertexLoaderBase.h"
+
+VertexLoaderBase::VertexLoaderBase(const TVtxDesc &vtx_desc, const VAT &vtx_attr)
+{
+	m_numLoadedVertices = 0;
+	m_VertexSize = 0;
+	m_native_vertex_format = nullptr;
+
+	SetVAT(vtx_attr);
+	m_VtxDesc = vtx_desc;
+	m_vat = vtx_attr;
+}
+
+void VertexLoaderBase::SetVAT(const VAT& vat)
+{
+	m_VtxAttr.PosElements          = vat.g0.PosElements;
+	m_VtxAttr.PosFormat            = vat.g0.PosFormat;
+	m_VtxAttr.PosFrac              = vat.g0.PosFrac;
+	m_VtxAttr.NormalElements       = vat.g0.NormalElements;
+	m_VtxAttr.NormalFormat         = vat.g0.NormalFormat;
+	m_VtxAttr.color[0].Elements    = vat.g0.Color0Elements;
+	m_VtxAttr.color[0].Comp        = vat.g0.Color0Comp;
+	m_VtxAttr.color[1].Elements    = vat.g0.Color1Elements;
+	m_VtxAttr.color[1].Comp        = vat.g0.Color1Comp;
+	m_VtxAttr.texCoord[0].Elements = vat.g0.Tex0CoordElements;
+	m_VtxAttr.texCoord[0].Format   = vat.g0.Tex0CoordFormat;
+	m_VtxAttr.texCoord[0].Frac     = vat.g0.Tex0Frac;
+	m_VtxAttr.ByteDequant          = vat.g0.ByteDequant;
+	m_VtxAttr.NormalIndex3         = vat.g0.NormalIndex3;
+
+	m_VtxAttr.texCoord[1].Elements = vat.g1.Tex1CoordElements;
+	m_VtxAttr.texCoord[1].Format   = vat.g1.Tex1CoordFormat;
+	m_VtxAttr.texCoord[1].Frac     = vat.g1.Tex1Frac;
+	m_VtxAttr.texCoord[2].Elements = vat.g1.Tex2CoordElements;
+	m_VtxAttr.texCoord[2].Format   = vat.g1.Tex2CoordFormat;
+	m_VtxAttr.texCoord[2].Frac     = vat.g1.Tex2Frac;
+	m_VtxAttr.texCoord[3].Elements = vat.g1.Tex3CoordElements;
+	m_VtxAttr.texCoord[3].Format   = vat.g1.Tex3CoordFormat;
+	m_VtxAttr.texCoord[3].Frac     = vat.g1.Tex3Frac;
+	m_VtxAttr.texCoord[4].Elements = vat.g1.Tex4CoordElements;
+	m_VtxAttr.texCoord[4].Format   = vat.g1.Tex4CoordFormat;
+
+	m_VtxAttr.texCoord[4].Frac     = vat.g2.Tex4Frac;
+	m_VtxAttr.texCoord[5].Elements = vat.g2.Tex5CoordElements;
+	m_VtxAttr.texCoord[5].Format   = vat.g2.Tex5CoordFormat;
+	m_VtxAttr.texCoord[5].Frac     = vat.g2.Tex5Frac;
+	m_VtxAttr.texCoord[6].Elements = vat.g2.Tex6CoordElements;
+	m_VtxAttr.texCoord[6].Format   = vat.g2.Tex6CoordFormat;
+	m_VtxAttr.texCoord[6].Frac     = vat.g2.Tex6Frac;
+	m_VtxAttr.texCoord[7].Elements = vat.g2.Tex7CoordElements;
+	m_VtxAttr.texCoord[7].Format   = vat.g2.Tex7CoordFormat;
+	m_VtxAttr.texCoord[7].Frac     = vat.g2.Tex7Frac;
+
+	if (!m_VtxAttr.ByteDequant)
+	{
+		ERROR_LOG(VIDEO, "ByteDequant is set to zero");
+	}
+};
+
+void VertexLoaderBase::AppendToString(std::string *dest) const
+{
+	dest->reserve(250);
+
+	dest->append(GetName());
+	dest->append(": ");
+
+	static const char *posMode[4] = {
+		"Inv",
+		"Dir",
+		"I8",
+		"I16",
+	};
+	static const char *posFormats[5] = {
+		"u8", "s8", "u16", "s16", "flt",
+	};
+	static const char *colorFormat[8] = {
+		"565",
+		"888",
+		"888x",
+		"4444",
+		"6666",
+		"8888",
+		"Inv",
+		"Inv",
+	};
+
+	dest->append(StringFromFormat("%ib skin: %i P: %i %s-%s ",
+		m_VertexSize, (u32)m_VtxDesc.PosMatIdx,
+		m_VtxAttr.PosElements ? 3 : 2, posMode[m_VtxDesc.Position], posFormats[m_VtxAttr.PosFormat]));
+
+	if (m_VtxDesc.Normal)
+	{
+		dest->append(StringFromFormat("Nrm: %i %s-%s ",
+			m_VtxAttr.NormalElements, posMode[m_VtxDesc.Normal], posFormats[m_VtxAttr.NormalFormat]));
+	}
+
+	u64 color_mode[2] = {m_VtxDesc.Color0, m_VtxDesc.Color1};
+	for (int i = 0; i < 2; i++)
+	{
+		if (color_mode[i])
+		{
+			dest->append(StringFromFormat("C%i: %i %s-%s ", i, m_VtxAttr.color[i].Elements, posMode[color_mode[i]], colorFormat[m_VtxAttr.color[i].Comp]));
+		}
+	}
+	u64 tex_mode[8] = {
+		m_VtxDesc.Tex0Coord, m_VtxDesc.Tex1Coord, m_VtxDesc.Tex2Coord, m_VtxDesc.Tex3Coord,
+		m_VtxDesc.Tex4Coord, m_VtxDesc.Tex5Coord, m_VtxDesc.Tex6Coord, m_VtxDesc.Tex7Coord
+	};
+	for (int i = 0; i < 8; i++)
+	{
+		if (tex_mode[i])
+		{
+			dest->append(StringFromFormat("T%i: %i %s-%s ",
+				i, m_VtxAttr.texCoord[i].Elements, posMode[tex_mode[i]], posFormats[m_VtxAttr.texCoord[i].Format]));
+		}
+	}
+	dest->append(StringFromFormat(" - %i v\n", m_numLoadedVertices));
+}
+
+VertexLoaderBase* VertexLoaderBase::CreateVertexLoader(const TVtxDesc& vtx_desc, const VAT& vtx_attr)
+{
+	VertexLoaderBase* loader;
+
+	// last try: The old VertexLoader
+	loader = new VertexLoader(vtx_desc, vtx_attr);
+	if (loader->IsInitialized())
+		return loader;
+	delete loader;
+
+	PanicAlert("No Vertex Loader found.");
+	return nullptr;
+}
diff --git a/Source/Core/VideoCommon/VertexLoaderBase.h b/Source/Core/VideoCommon/VertexLoaderBase.h
new file mode 100644
index 0000000000..7da2d866f9
--- /dev/null
+++ b/Source/Core/VideoCommon/VertexLoaderBase.h
@@ -0,0 +1,103 @@
+// Copyright 2014 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <string>
+
+#include "Common/CommonTypes.h"
+
+#include "VideoCommon/CPMemory.h"
+#include "VideoCommon/DataReader.h"
+#include "VideoCommon/NativeVertexFormat.h"
+
+class VertexLoaderUID
+{
+	std::array<u32, 5> vid;
+	size_t hash;
+public:
+	VertexLoaderUID()
+	{
+	}
+
+	VertexLoaderUID(const TVtxDesc& vtx_desc, const VAT& vat)
+	{
+		vid[0] = vtx_desc.Hex & 0xFFFFFFFF;
+		vid[1] = vtx_desc.Hex >> 32;
+		vid[2] = vat.g0.Hex;
+		vid[3] = vat.g1.Hex;
+		vid[4] = vat.g2.Hex;
+		hash = CalculateHash();
+	}
+
+	bool operator == (const VertexLoaderUID& rh) const
+	{
+		return vid == rh.vid;
+	}
+
+	size_t GetHash() const
+	{
+		return hash;
+	}
+
+private:
+
+	size_t CalculateHash() const
+	{
+		size_t h = -1;
+
+		for (auto word : vid)
+		{
+			h = h * 137 + word;
+		}
+
+		return h;
+	}
+};
+
+namespace std
+{
+template <> struct hash<VertexLoaderUID>
+{
+	size_t operator()(const VertexLoaderUID& uid) const
+	{
+		return uid.GetHash();
+	}
+};
+}
+
+class VertexLoaderBase
+{
+public:
+	static VertexLoaderBase* CreateVertexLoader(const TVtxDesc &vtx_desc, const VAT &vtx_attr);
+	virtual ~VertexLoaderBase() {};
+
+	virtual int RunVertices(int primitive, int count, DataReader src, DataReader dst) = 0;
+
+	virtual bool IsInitialized() = 0;
+
+	// For debugging / profiling
+	void AppendToString(std::string *dest) const;
+
+	virtual std::string GetName() const = 0;
+
+	// per loader public state
+	int m_VertexSize;      // number of bytes of a raw GC vertex
+	PortableVertexDeclaration m_native_vtx_decl;
+	u32 m_native_components;
+
+	// used by VertexLoaderManager
+	NativeVertexFormat* m_native_vertex_format;
+	int m_numLoadedVertices;
+
+protected:
+	VertexLoaderBase(const TVtxDesc &vtx_desc, const VAT &vtx_attr);
+	void SetVAT(const VAT& vat);
+
+	// GC vertex format
+	TVtxAttr m_VtxAttr;  // VAT decoded into easy format
+	TVtxDesc m_VtxDesc;  // Not really used currently - or well it is, but could be easily avoided.
+	VAT m_vat;
+};
diff --git a/Source/Core/VideoCommon/VertexLoaderManager.cpp b/Source/Core/VideoCommon/VertexLoaderManager.cpp
index 98f92e3d10..0ab87b323d 100644
--- a/Source/Core/VideoCommon/VertexLoaderManager.cpp
+++ b/Source/Core/VideoCommon/VertexLoaderManager.cpp
@@ -15,7 +15,7 @@
 #include "VideoCommon/BPMemory.h"
 #include "VideoCommon/IndexGenerator.h"
 #include "VideoCommon/Statistics.h"
-#include "VideoCommon/VertexLoader.h"
+#include "VideoCommon/VertexLoaderBase.h"
 #include "VideoCommon/VertexLoaderManager.h"
 #include "VideoCommon/VertexManagerBase.h"
 #include "VideoCommon/VertexShaderManager.h"
@@ -30,7 +30,7 @@ typedef std::unordered_map<PortableVertexDeclaration, std::unique_ptr<NativeVert
 static NativeVertexFormatMap s_native_vertex_map;
 static NativeVertexFormat* s_current_vtx_fmt;
 
-typedef std::unordered_map<VertexLoaderUID, std::unique_ptr<VertexLoader>> VertexLoaderMap;
+typedef std::unordered_map<VertexLoaderUID, std::unique_ptr<VertexLoaderBase>> VertexLoaderMap;
 static std::mutex s_vertex_loader_map_lock;
 static VertexLoaderMap s_vertex_loader_map;
 // TODO - change into array of pointers. Keep a map of all seen so far.
@@ -93,9 +93,9 @@ void MarkAllDirty()
 	g_preprocess_cp_state.attr_dirty = BitSet32::AllTrue(8);
 }
 
-static VertexLoader* RefreshLoader(int vtx_attr_group, CPState* state)
+static VertexLoaderBase* RefreshLoader(int vtx_attr_group, CPState* state)
 {
-	VertexLoader* loader;
+	VertexLoaderBase* loader;
 	if (state->attr_dirty[vtx_attr_group])
 	{
 		VertexLoaderUID uid(state->vtx_desc, state->vtx_attr[vtx_attr_group]);
@@ -107,8 +107,8 @@ static VertexLoader* RefreshLoader(int vtx_attr_group, CPState* state)
 		}
 		else
 		{
-			loader = new VertexLoader(state->vtx_desc, state->vtx_attr[vtx_attr_group]);
-			s_vertex_loader_map[uid] = std::unique_ptr<VertexLoader>(loader);
+			loader = VertexLoaderBase::CreateVertexLoader(state->vtx_desc, state->vtx_attr[vtx_attr_group]);
+			s_vertex_loader_map[uid] = std::unique_ptr<VertexLoaderBase>(loader);
 
 			// search for a cached native vertex format
 			const PortableVertexDeclaration& format = loader->m_native_vtx_decl;
@@ -139,7 +139,7 @@ int RunVertices(int vtx_attr_group, int primitive, int count, DataReader src, bo
 
 	CPState* state = &g_main_cp_state;
 
-	VertexLoader* loader = RefreshLoader(vtx_attr_group, state);
+	VertexLoaderBase* loader = RefreshLoader(vtx_attr_group, state);
 
 	int size = count * loader->m_VertexSize;
 	if ((int)src.size() < size)
diff --git a/Source/Core/VideoCommon/VideoCommon.vcxproj b/Source/Core/VideoCommon/VideoCommon.vcxproj
index 65488aa4fa..b4db374e28 100644
--- a/Source/Core/VideoCommon/VideoCommon.vcxproj
+++ b/Source/Core/VideoCommon/VideoCommon.vcxproj
@@ -65,6 +65,7 @@
     <ClCompile Include="TextureCacheBase.cpp" />
     <ClCompile Include="TextureConversionShader.cpp" />
     <ClCompile Include="VertexLoader.cpp" />
+    <ClCompile Include="VertexLoaderBase.cpp" />
     <ClCompile Include="VertexLoaderManager.cpp" />
     <ClCompile Include="VertexLoader_Color.cpp" />
     <ClCompile Include="VertexLoader_Normal.cpp" />
@@ -118,6 +119,7 @@
     <ClInclude Include="TextureConversionShader.h" />
     <ClInclude Include="TextureDecoder.h" />
     <ClInclude Include="VertexLoader.h" />
+    <ClInclude Include="VertexLoaderBase.h" />
     <ClInclude Include="VertexLoaderManager.h" />
     <ClInclude Include="VertexLoaderUtils.h" />
     <ClInclude Include="VertexLoader_Color.h" />
diff --git a/Source/Core/VideoCommon/VideoCommon.vcxproj.filters b/Source/Core/VideoCommon/VideoCommon.vcxproj.filters
index cd4901f303..d00ee5518c 100644
--- a/Source/Core/VideoCommon/VideoCommon.vcxproj.filters
+++ b/Source/Core/VideoCommon/VideoCommon.vcxproj.filters
@@ -119,6 +119,9 @@
     <ClCompile Include="VertexLoader.cpp">
       <Filter>Vertex Loading</Filter>
     </ClCompile>
+    <ClCompile Include="VertexLoaderBase.cpp">
+      <Filter>Vertex Loading</Filter>
+    </ClCompile>
     <ClCompile Include="VertexLoader_Color.cpp">
       <Filter>Vertex Loading</Filter>
     </ClCompile>
@@ -263,6 +266,9 @@
     <ClInclude Include="VertexLoader.h">
       <Filter>Vertex Loading</Filter>
     </ClInclude>
+    <ClInclude Include="VertexLoaderBase.h">
+      <Filter>Vertex Loading</Filter>
+    </ClInclude>
     <ClInclude Include="VertexLoader_Color.h">
       <Filter>Vertex Loading</Filter>
     </ClInclude>
diff --git a/Source/UnitTests/VideoCommon/VertexLoaderTest.cpp b/Source/UnitTests/VideoCommon/VertexLoaderTest.cpp
index d1032ae6f9..601e90dcc2 100644
--- a/Source/UnitTests/VideoCommon/VertexLoaderTest.cpp
+++ b/Source/UnitTests/VideoCommon/VertexLoaderTest.cpp
@@ -2,7 +2,7 @@
 
 #include "Common/Common.h"
 #include "VideoCommon/DataReader.h"
-#include "VideoCommon/VertexLoader.h"
+#include "VideoCommon/VertexLoaderBase.h"
 
 // Needs to be included later because it defines a TEST macro that conflicts
 // with a TEST method definition in x64Emitter.h.
@@ -93,7 +93,7 @@ TEST_F(VertexLoaderTest, PositionDirectFloatXYZ)
 	m_vtx_attr.g0.PosElements = 1;  // XYZ
 	m_vtx_attr.g0.PosFormat = 4;    // Float
 
-	VertexLoader* loader = new VertexLoader(m_vtx_desc, m_vtx_attr);
+	VertexLoaderBase* loader = VertexLoaderBase::CreateVertexLoader(m_vtx_desc, m_vtx_attr);
 
 	ASSERT_EQ(3 * sizeof (float), (u32)loader->m_native_vtx_decl.stride);
 	ASSERT_EQ(3 * sizeof (float), (u32)loader->m_VertexSize);
@@ -118,7 +118,7 @@ TEST_F(VertexLoaderTest, PositionDirectFloatXYZ)
 	// Test that scale does nothing for floating point inputs.
 	Input(1.0f); Input(2.0f); Input(4.0f);
 	m_vtx_attr.g0.PosFrac = 1;
-	loader = new VertexLoader(m_vtx_desc, m_vtx_attr);
+	loader = VertexLoaderBase::CreateVertexLoader(m_vtx_desc, m_vtx_attr);
 	count = loader->RunVertices(7, 1, src, dst);
 	src.Skip(1 * loader->m_VertexSize);
 	dst.Skip(count * loader->m_native_vtx_decl.stride);
@@ -132,7 +132,7 @@ TEST_F(VertexLoaderTest, PositionDirectU16XY)
 	m_vtx_attr.g0.PosElements = 0;  // XY
 	m_vtx_attr.g0.PosFormat = 2;    // U16
 
-	VertexLoader* loader = new VertexLoader(m_vtx_desc, m_vtx_attr);
+	VertexLoaderBase* loader = VertexLoaderBase::CreateVertexLoader(m_vtx_desc, m_vtx_attr);
 
 	ASSERT_EQ(3 * sizeof (float), (u32)loader->m_native_vtx_decl.stride);
 	ASSERT_EQ(2 * sizeof (u16), (u32)loader->m_VertexSize);
@@ -159,7 +159,7 @@ TEST_F(VertexLoaderTest, PositionDirectU16XY)
 	// Test that scale works on U16 inputs.
 	Input<u16>(42); Input<u16>(24);
 	m_vtx_attr.g0.PosFrac = 1;
-	loader = new VertexLoader(m_vtx_desc, m_vtx_attr);
+	loader = VertexLoaderBase::CreateVertexLoader(m_vtx_desc, m_vtx_attr);
 	count = loader->RunVertices(7, 1, src, dst);
 	src.Skip(1 * loader->m_VertexSize);
 	dst.Skip(count * loader->m_native_vtx_decl.stride);
@@ -173,18 +173,19 @@ TEST_F(VertexLoaderTest, PositionDirectFloatXYZSpeed)
 	m_vtx_attr.g0.PosElements = 1;  // XYZ
 	m_vtx_attr.g0.PosFormat = 4;    // Float
 
-	VertexLoader loader(m_vtx_desc, m_vtx_attr);
+	VertexLoaderBase* loader = VertexLoaderBase::CreateVertexLoader(m_vtx_desc, m_vtx_attr);
 
-	ASSERT_EQ(3 * sizeof (float), (u32)loader.m_native_vtx_decl.stride);
-	ASSERT_EQ(3 * sizeof (float), (u32)loader.m_VertexSize);
+	ASSERT_EQ(3 * sizeof (float), (u32)loader->m_native_vtx_decl.stride);
+	ASSERT_EQ(3 * sizeof (float), (u32)loader->m_VertexSize);
 
 	for (int i = 0; i < 1000; ++i)
 	{
 		ResetPointers();
-		int count = loader.RunVertices(7, 100000, src, dst);
-		src.Skip(100000 * loader.m_VertexSize);
-		dst.Skip(count * loader.m_native_vtx_decl.stride);
+		int count = loader->RunVertices(7, 100000, src, dst);
+		src.Skip(100000 * loader->m_VertexSize);
+		dst.Skip(count * loader->m_native_vtx_decl.stride);
 	}
+	delete loader;
 }
 
 TEST_F(VertexLoaderTest, PositionDirectU16XYSpeed)
@@ -193,18 +194,19 @@ TEST_F(VertexLoaderTest, PositionDirectU16XYSpeed)
 	m_vtx_attr.g0.PosElements = 0;  // XY
 	m_vtx_attr.g0.PosFormat = 2;    // U16
 
-	VertexLoader loader(m_vtx_desc, m_vtx_attr);
+	VertexLoaderBase* loader = VertexLoaderBase::CreateVertexLoader(m_vtx_desc, m_vtx_attr);
 
-	ASSERT_EQ(3 * sizeof (float), (u32)loader.m_native_vtx_decl.stride);
-	ASSERT_EQ(2 * sizeof (u16), (u32)loader.m_VertexSize);
+	ASSERT_EQ(3 * sizeof (float), (u32)loader->m_native_vtx_decl.stride);
+	ASSERT_EQ(2 * sizeof (u16), (u32)loader->m_VertexSize);
 
 	for (int i = 0; i < 1000; ++i)
 	{
 		ResetPointers();
-		int count = loader.RunVertices(7, 100000, src, dst);
-		src.Skip(100000 * loader.m_VertexSize);
-		dst.Skip(count * loader.m_native_vtx_decl.stride);
+		int count = loader->RunVertices(7, 100000, src, dst);
+		src.Skip(100000 * loader->m_VertexSize);
+		dst.Skip(count * loader->m_native_vtx_decl.stride);
 	}
+	delete loader;
 }
 
 TEST_F(VertexLoaderTest, LargeFloatVertexSpeed)
@@ -257,15 +259,16 @@ TEST_F(VertexLoaderTest, LargeFloatVertexSpeed)
 	m_vtx_attr.g2.Tex7CoordElements = 1;  // ST
 	m_vtx_attr.g2.Tex7CoordFormat = 4;    // Float
 
-	VertexLoader loader(m_vtx_desc, m_vtx_attr);
+	VertexLoaderBase* loader = VertexLoaderBase::CreateVertexLoader(m_vtx_desc, m_vtx_attr);
 
 	// This test is only done 100x in a row since it's ~20x slower using the
 	// current vertex loader implementation.
 	for (int i = 0; i < 100; ++i)
 	{
 		ResetPointers();
-		int count = loader.RunVertices(7, 100000, src, dst);
-		src.Skip(100000 * loader.m_VertexSize);
-		dst.Skip(count * loader.m_native_vtx_decl.stride);
+		int count = loader->RunVertices(7, 100000, src, dst);
+		src.Skip(100000 * loader->m_VertexSize);
+		dst.Skip(count * loader->m_native_vtx_decl.stride);
 	}
+	delete loader;
 }