Remove unnecessary Src/ folders

1 files changed, 196 insertions, 0 deletions

diff --git a/Source/Core/VideoCommon/VertexLoader_Position.cpp b/Source/Core/VideoCommon/VertexLoader_Position.cpp
new file mode 100644
index 0000000000..da844484ad
--- /dev/null
+++ b/Source/Core/VideoCommon/VertexLoader_Position.cpp
@@ -0,0 +1,196 @@
+// Copyright 2013 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include <limits>
+
+#include "Common.h"
+#include "VideoCommon.h"
+#include "VertexLoader.h"
+#include "VertexLoader_Position.h"
+#include "VertexManagerBase.h"
+#include "CPUDetect.h"
+
+extern float posScale;
+extern TVtxAttr *pVtxAttr;
+
+// Thoughts on the implementation of a vertex loader compiler.
+// s_pCurBufferPointer should definitely be in a register.
+// Could load the position scale factor in XMM7, for example.
+
+// The pointer inside DataReadU8 in another.
+// Let's check out Pos_ReadDirect_UByte(). For Byte, replace MOVZX with MOVSX.
+
+/*
+MOVZX(32, R(EAX), MOffset(ESI, 0));
+MOVZX(32, R(EBX), MOffset(ESI, 1));
+MOVZX(32, R(ECX), MOffset(ESI, 2));
+MOVD(XMM0, R(EAX));
+MOVD(XMM1, R(EBX));
+MOVD(XMM2, R(ECX));
+CVTDQ2PS(XMM0, XMM0);
+CVTDQ2PS(XMM1, XMM1);
+CVTDQ2PS(XMM2, XMM2);
+MULSS(XMM0, XMM7);
+MULSS(XMM1, XMM7);
+MULSS(XMM2, XMM7);
+MOVSS(MOffset(EDI, 0), XMM0);
+MOVSS(MOffset(EDI, 4), XMM1);
+MOVSS(MOffset(EDI, 8), XMM2);
+
+Alternatively, lookup table:
+MOVZX(32, R(EAX), MOffset(ESI, 0));
+MOVZX(32, R(EBX), MOffset(ESI, 1));
+MOVZX(32, R(ECX), MOffset(ESI, 2));
+MOV(32, R(EAX), MComplex(LUTREG, EAX, 4));
+MOV(32, R(EBX), MComplex(LUTREG, EBX, 4));
+MOV(32, R(ECX), MComplex(LUTREG, ECX, 4));
+MOV(MOffset(EDI, 0), XMM0);
+MOV(MOffset(EDI, 4), XMM1);
+MOV(MOffset(EDI, 8), XMM2);
+
+SSE4:
+PINSRB(XMM0, MOffset(ESI, 0), 0);
+PINSRB(XMM0, MOffset(ESI, 1), 4);
+PINSRB(XMM0, MOffset(ESI, 2), 8);
+CVTDQ2PS(XMM0, XMM0);
+<two unpacks here to sign extend>
+MULPS(XMM0, XMM7);
+MOVUPS(MOffset(EDI, 0), XMM0);
+
+									 */
+
+template <typename T>
+float PosScale(T val)
+{
+	return val * posScale;
+}
+
+template <>
+float PosScale(float val)
+{
+	return val;
+}
+
+template <typename T, int N>
+void LOADERDECL Pos_ReadDirect()
+{
+	static_assert(N <= 3, "N > 3 is not sane!");
+
+	for (int i = 0; i < 3; ++i)
+		DataWrite(i<N ? PosScale(DataRead<T>()) : 0.f);
+
+	LOG_VTX();
+}
+
+template <typename I, typename T, int N>
+void LOADERDECL Pos_ReadIndex()
+{
+	static_assert(!std::numeric_limits<I>::is_signed, "Only unsigned I is sane!");
+	static_assert(N <= 3, "N > 3 is not sane!");
+
+	auto const index = DataRead<I>();
+	if (index < std::numeric_limits<I>::max())
+	{
+		auto const data = reinterpret_cast<const T*>(cached_arraybases[ARRAY_POSITION] + (index * arraystrides[ARRAY_POSITION]));
+
+		for (int i = 0; i < 3; ++i)
+			DataWrite(i<N ? PosScale(Common::FromBigEndian(data[i])) : 0.f);
+
+		LOG_VTX();
+	}
+}
+
+#if _M_SSE >= 0x301
+static const __m128i kMaskSwap32_3 = _mm_set_epi32(0xFFFFFFFFL, 0x08090A0BL, 0x04050607L, 0x00010203L);
+static const __m128i kMaskSwap32_2 = _mm_set_epi32(0xFFFFFFFFL, 0xFFFFFFFFL, 0x04050607L, 0x00010203L);
+
+template <typename I, bool three>
+void LOADERDECL Pos_ReadIndex_Float_SSSE3()
+{
+	auto const index = DataRead<I>();
+	if (index < std::numeric_limits<I>::max())
+	{
+		const u32* pData = (const u32 *)(cached_arraybases[ARRAY_POSITION] + (index * arraystrides[ARRAY_POSITION]));
+		GC_ALIGNED128(const __m128i a = _mm_loadu_si128((__m128i*)pData));
+		GC_ALIGNED128(__m128i b = _mm_shuffle_epi8(a, three ? kMaskSwap32_3 : kMaskSwap32_2));
+		_mm_storeu_si128((__m128i*)VertexManager::s_pCurBufferPointer, b);
+		VertexManager::s_pCurBufferPointer += sizeof(float) * 3;
+		LOG_VTX();
+	}
+}
+#endif
+
+static TPipelineFunction tableReadPosition[4][8][2] = {
+	{
+		{NULL, NULL,},
+		{NULL, NULL,},
+		{NULL, NULL,},
+		{NULL, NULL,},
+		{NULL, NULL,},
+	},
+	{
+		{Pos_ReadDirect<u8, 2>, Pos_ReadDirect<u8, 3>,},
+		{Pos_ReadDirect<s8, 2>, Pos_ReadDirect<s8, 3>,},
+		{Pos_ReadDirect<u16, 2>, Pos_ReadDirect<u16, 3>,},
+		{Pos_ReadDirect<s16, 2>, Pos_ReadDirect<s16, 3>,},
+		{Pos_ReadDirect<float, 2>, Pos_ReadDirect<float, 3>,},
+	},
+	{
+		{Pos_ReadIndex<u8, u8, 2>, Pos_ReadIndex<u8, u8, 3>,},
+		{Pos_ReadIndex<u8, s8, 2>, Pos_ReadIndex<u8, s8, 3>,},
+		{Pos_ReadIndex<u8, u16, 2>, Pos_ReadIndex<u8, u16, 3>,},
+		{Pos_ReadIndex<u8, s16, 2>, Pos_ReadIndex<u8, s16, 3>,},
+		{Pos_ReadIndex<u8, float, 2>, Pos_ReadIndex<u8, float, 3>,},
+	},
+	{
+		{Pos_ReadIndex<u16, u8, 2>, Pos_ReadIndex<u16, u8, 3>,},
+		{Pos_ReadIndex<u16, s8, 2>, Pos_ReadIndex<u16, s8, 3>,},
+		{Pos_ReadIndex<u16, u16, 2>, Pos_ReadIndex<u16, u16, 3>,},
+		{Pos_ReadIndex<u16, s16, 2>, Pos_ReadIndex<u16, s16, 3>,},
+		{Pos_ReadIndex<u16, float, 2>, Pos_ReadIndex<u16, float, 3>,},
+	},
+};
+
+static int tableReadPositionVertexSize[4][8][2] = {
+	{
+		{0, 0,}, {0, 0,}, {0, 0,}, {0, 0,}, {0, 0,},
+	},
+	{
+		{2, 3,}, {2, 3,}, {4, 6,}, {4, 6,}, {8, 12,},
+	},
+	{
+		{1, 1,}, {1, 1,}, {1, 1,}, {1, 1,}, {1, 1,},
+	},
+	{
+		{2, 2,}, {2, 2,}, {2, 2,}, {2, 2,}, {2, 2,},
+	},
+};
+
+
+void VertexLoader_Position::Init(void)
+{
+
+#if _M_SSE >= 0x301
+
+	if (cpu_info.bSSSE3)
+	{
+		tableReadPosition[2][4][0] = Pos_ReadIndex_Float_SSSE3<u8, false>;
+		tableReadPosition[2][4][1] = Pos_ReadIndex_Float_SSSE3<u8, true>;
+		tableReadPosition[3][4][0] = Pos_ReadIndex_Float_SSSE3<u16, false>;
+		tableReadPosition[3][4][1] = Pos_ReadIndex_Float_SSSE3<u16, true>;
+	}
+
+#endif
+
+}
+
+unsigned int VertexLoader_Position::GetSize(unsigned int _type, unsigned int _format, unsigned int _elements)
+{
+	return tableReadPositionVertexSize[_type][_format][_elements];
+}
+
+TPipelineFunction VertexLoader_Position::GetFunction(unsigned int _type, unsigned int _format, unsigned int _elements)
+{
+	return tableReadPosition[_type][_format][_elements];
+}