piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-24 22:59:47 -06:00
Code Issues Packages Projects Releases Wiki Activity

optimize memory access. reduce Memory_Read_U##_type call(it uses Memory::GetPointer, which is complex), and gain speed, may be 1 or more fps faster, I've tested on zelda tww,tp, starfox assault only.

Browse Source 
Please review and may be the code need clean.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2144 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hyperiris
2009-02-08 13:08:58 +00:00
parent 5045119da3
commit c450e44b08
5 changed files with 181 additions and 115 deletions
Download Patch File Download Diff File Expand all files Collapse all files

61
Source/Core/VideoCommon/Src/VertexLoader_Position.cpp
View File

@ -137,40 +137,43 @@ void LOADERDECL Pos_ReadDirect_Float()
VertexManager::s_pCurBufferPointer += 12;
}
#define Pos_ReadIndex_Byte(T) { \
u32 iAddress = arraybases[ARRAY_POSITION] + ((u32)Index * arraystrides[ARRAY_POSITION]); \
((float*)VertexManager::s_pCurBufferPointer)[0] = ((float)(T)Memory_Read_U8(iAddress)) * posScale; \
((float*)VertexManager::s_pCurBufferPointer)[1] = ((float)(T)Memory_Read_U8(iAddress+1)) * posScale; \
if (pVtxAttr->PosElements) \
((float*)VertexManager::s_pCurBufferPointer)[2] = ((float)(T)Memory_Read_U8(iAddress+2)) * posScale; \
else \
((float*)VertexManager::s_pCurBufferPointer)[2] = 1.0f; \
LOG_VTX(); \
VertexManager::s_pCurBufferPointer += 12; \
#define Pos_ReadIndex_Byte(T) { \
u32 iAddress = arraybases[ARRAY_POSITION] + ((u32)Index * arraystrides[ARRAY_POSITION]); \
u8* pData = Memory_Read_U8_Ptr(iAddress); \
((float*)VertexManager::s_pCurBufferPointer)[0] = ((float)(T)(*(pData))) * posScale; \
((float*)VertexManager::s_pCurBufferPointer)[1] = ((float)(T)(*(pData+1))) * posScale; \
if (pVtxAttr->PosElements) \
((float*)VertexManager::s_pCurBufferPointer)[2] = ((float)(T)(*(pData+2))) * posScale; \
else \
((float*)VertexManager::s_pCurBufferPointer)[2] = 1.0f; \
LOG_VTX(); \
VertexManager::s_pCurBufferPointer += 12; \
}
#define Pos_ReadIndex_Short(T) { \
u32 iAddress = arraybases[ARRAY_POSITION] + ((u32)Index * arraystrides[ARRAY_POSITION]); \
((float*)VertexManager::s_pCurBufferPointer)[0] = ((float)(T)Memory_Read_U16(iAddress)) * posScale; \
((float*)VertexManager::s_pCurBufferPointer)[1] = ((float)(T)Memory_Read_U16(iAddress+2)) * posScale; \
if (pVtxAttr->PosElements) \
((float*)VertexManager::s_pCurBufferPointer)[2] = ((float)(T)Memory_Read_U16(iAddress+4)) * posScale; \
else \
((float*)VertexManager::s_pCurBufferPointer)[2] = 1.0f; \
LOG_VTX(); \
VertexManager::s_pCurBufferPointer += 12; \
#define Pos_ReadIndex_Short(T) { \
u32 iAddress = arraybases[ARRAY_POSITION] + ((u32)Index * arraystrides[ARRAY_POSITION]); \
u16* pData = Memory_Read_U16_Unswapped_Ptr(iAddress); \
((float*)VertexManager::s_pCurBufferPointer)[0] = ((float)(T)Common::swap16(*(pData))) * posScale; \
((float*)VertexManager::s_pCurBufferPointer)[1] = ((float)(T)Common::swap16(*(pData+1))) * posScale;\
if (pVtxAttr->PosElements) \
((float*)VertexManager::s_pCurBufferPointer)[2] = ((float)(T)Common::swap16(*(pData+2))) * posScale;\
else \
((float*)VertexManager::s_pCurBufferPointer)[2] = 1.0f; \
LOG_VTX(); \
VertexManager::s_pCurBufferPointer += 12; \
}
#define Pos_ReadIndex_Float() { \
#define Pos_ReadIndex_Float() { \
u32 iAddress = arraybases[ARRAY_POSITION] + (Index * arraystrides[ARRAY_POSITION]); \
((u32*)VertexManager::s_pCurBufferPointer)[0] = Memory_Read_U32(iAddress); \
((u32*)VertexManager::s_pCurBufferPointer)[1] = Memory_Read_U32(iAddress+4); \
if (pVtxAttr->PosElements) \
((u32*)VertexManager::s_pCurBufferPointer)[2] = Memory_Read_U32(iAddress+8); \
else \
((float*)VertexManager::s_pCurBufferPointer)[2] = 1.0f; \
LOG_VTX(); \
VertexManager::s_pCurBufferPointer += 12; \
u32* pData = Memory_Read_U32_Unswapped_Ptr(iAddress); \
((u32*)VertexManager::s_pCurBufferPointer)[0] = Common::swap32(*(pData)); \
((u32*)VertexManager::s_pCurBufferPointer)[1] = Common::swap32(*(pData+1)); \
if (pVtxAttr->PosElements) \
((u32*)VertexManager::s_pCurBufferPointer)[2] = Common::swap32(*(pData+2)); \
else \
((float*)VertexManager::s_pCurBufferPointer)[2] = 1.0f; \
LOG_VTX(); \
VertexManager::s_pCurBufferPointer += 12; \
}
// ==============================================================================