VideoCommon: merged SSSE3/SSE4.1 codes. Added some additional SSSE3/SSE4.1 codes which will be used in "The Legend of Zelda: Twilight Princess".

These codes don't work unless "_M_SSE=0x301", for SSSE3, or "_M_SSE=0x401", for SSE4.1, is defined as a preprocessor definition.


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5300 8ced0084-cf51-0410-be5f-012b33b47a6e

1 files changed, 49 insertions, 0 deletions

diff --git a/Source/Core/VideoCommon/Src/VertexLoader_TextCoord.cpp b/Source/Core/VideoCommon/Src/VertexLoader_TextCoord.cpp
index e6720e81a0..ae4e6d0bb8 100644
--- a/Source/Core/VideoCommon/Src/VertexLoader_TextCoord.cpp
+++ b/Source/Core/VideoCommon/Src/VertexLoader_TextCoord.cpp
@@ -21,6 +21,12 @@
 #include "VertexLoader_TextCoord.h"
 #include "NativeVertexWriter.h"
 
+#if _M_SSE >= 0x401
+#include <smmintrin.h>
+#elif _M_SSE >= 0x301
+#include <tmmintrin.h>
+#endif
+
 #define LOG_TEX1() // PRIM_LOG("tex: %f, ", ((float*)VertexManager::s_pCurBufferPointer)[0]);
 #define LOG_TEX2() // PRIM_LOG("tex: %f %f, ", ((float*)VertexManager::s_pCurBufferPointer)[0], ((float*)VertexManager::s_pCurBufferPointer)[1]);
 
@@ -284,13 +290,35 @@ void LOADERDECL TexCoord_ReadIndex16_Short1()
 	VertexManager::s_pCurBufferPointer += 4;
 	tcIndex++;
 }
+
+#if _M_SSE >= 0x401
+static const __m128i kMaskSwap16_2 = _mm_set_epi32(0xFFFFFFFFL, 0xFFFFFFFFL, 0xFFFFFFFFL, 0x02030001L);
+#endif
+
 void LOADERDECL TexCoord_ReadIndex16_Short2()	
 {
 	// Heavy in ZWW
 	u16 Index = DataReadU16(); 
+
+#if _M_SSE >= 0x401
+
+	const s32 *pData = (const s32*)(cached_arraybases[ARRAY_TEXCOORD0+tcIndex] + (Index * arraystrides[ARRAY_TEXCOORD0+tcIndex]));
+	const __m128i a = _mm_cvtsi32_si128(*pData);
+	const __m128i b = _mm_shuffle_epi8(a, kMaskSwap16_2);
+	const __m128i c = _mm_cvtepi16_epi32(b);
+	const __m128 d = _mm_cvtepi32_ps(c);
+	const __m128 e = _mm_load1_ps(&tcScale[tcIndex]);
+	const __m128 f = _mm_mul_ps(d, e);
+	_mm_storeu_ps((float*)VertexManager::s_pCurBufferPointer, f);
+
+#else
+
 	const u16 *pData = (const u16 *)(cached_arraybases[ARRAY_TEXCOORD0+tcIndex] + (Index * arraystrides[ARRAY_TEXCOORD0+tcIndex]));
 	((float*)VertexManager::s_pCurBufferPointer)[0] = (float)(s16)Common::swap16(pData[0]) * tcScale[tcIndex];
 	((float*)VertexManager::s_pCurBufferPointer)[1] = (float)(s16)Common::swap16(pData[1]) * tcScale[tcIndex];
+
+#endif
+
 	LOG_TEX2();
 	VertexManager::s_pCurBufferPointer += 8;
 	tcIndex++;
@@ -305,15 +333,36 @@ void LOADERDECL TexCoord_ReadIndex16_Float1()
 	VertexManager::s_pCurBufferPointer += 4;
 	tcIndex++;
 }
+
+#if _M_SSE >= 0x301
+static const __m128i kMaskSwap32 = _mm_set_epi32(0xFFFFFFFFL, 0xFFFFFFFFL, 0x04050607L, 0x00010203L);
+#endif
+
 void LOADERDECL TexCoord_ReadIndex16_Float2()	
 {
 	u16 Index = DataReadU16(); 
 	const u32 *pData = (const u32 *)(cached_arraybases[ARRAY_TEXCOORD0+tcIndex] + (Index * arraystrides[ARRAY_TEXCOORD0+tcIndex]));
+
+#if _M_SSE >= 0x301
+
+	const __m128i a = _mm_loadl_epi64((__m128i*)pData);
+	const __m128i b = _mm_shuffle_epi8(a, kMaskSwap32);
+	u8* p = VertexManager::s_pCurBufferPointer;
+	_mm_storel_epi64((__m128i*)p, b);
+	LOG_TEX2();
+	p += 8;
+	VertexManager::s_pCurBufferPointer = p;
+	tcIndex++;
+
+#else
+
 	((u32*)VertexManager::s_pCurBufferPointer)[0] = Common::swap32(pData[0]);
 	((u32*)VertexManager::s_pCurBufferPointer)[1] = Common::swap32(pData[1]);
 	LOG_TEX2();
 	VertexManager::s_pCurBufferPointer += 8;
 	tcIndex++;
+
+#endif
 }
 
 ReadTexCoord tableReadTexCoord[4][8][2] = {