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Use SSSE3 shuffle for DataReader's DataReadU32xN in VideoCommon. The function is used for reading up to 16 u32's at a time (512-bits) and then converting endianness.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6802 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
xsacha 2011-01-10 13:14:56 +00:00
parent f49efa8868
commit f9e4e73e42
4 changed files with 78 additions and 10 deletions
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30
Source/Core/VideoCommon/Src/OpcodeDecoding.cpp
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@ -30,6 +30,7 @@
#include "Profiler.h"
#include "OpcodeDecoding.h"
#include "CommandProcessor.h"
#include "CPUDetect.h"
#include "VertexLoaderManager.h"
@ -47,6 +48,27 @@
#include "VideoConfig.h"
u8* g_pVideoData = 0;
#if _M_SSE >= 0x301
DataReadU32xNfunc DataReadU32xFuncs_SSSE3[16] = {
DataReadU32xN_SSSE3<1>,
DataReadU32xN_SSSE3<2>,
DataReadU32xN_SSSE3<3>,
DataReadU32xN_SSSE3<4>,
DataReadU32xN_SSSE3<5>,
DataReadU32xN_SSSE3<6>,
DataReadU32xN_SSSE3<7>,
DataReadU32xN_SSSE3<8>,
DataReadU32xN_SSSE3<9>,
DataReadU32xN_SSSE3<10>,
DataReadU32xN_SSSE3<11>,
DataReadU32xN_SSSE3<12>,
DataReadU32xN_SSSE3<13>,
DataReadU32xN_SSSE3<14>,
DataReadU32xN_SSSE3<15>,
DataReadU32xN_SSSE3<16>
};
#endif
DataReadU32xNfunc DataReadU32xFuncs[16] = {
DataReadU32xN<1>,
DataReadU32xN<2>,
@ -250,7 +272,6 @@ static void Decode()
u32 Cmd2 = DataReadU32();
int transfer_size = ((Cmd2 >> 16) & 15) + 1;
u32 xf_address = Cmd2 & 0xFFFF;
// TODO - speed this up. pshufb?
u32 data_buffer[16];
DataReadU32xFuncs[transfer_size-1](data_buffer);
@ -401,6 +422,13 @@ void OpcodeDecoder_Init()
{
g_pVideoData = FAKE_GetFifoStartPtr();
#if _M_SSE >= 0x301
if (cpu_info.bSSSE3)
{
*DataReadU32xFuncs = *DataReadU32xFuncs_SSSE3;
}
#endif
if (g_Config.bEnableOpenCL)
{
OpenCL::Initialize();