ShuriZma
/
dolphin
mirror of https://github.com/dolphin-emu/dolphin.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

VertexLoader: load scale factor as const, this will save some assembler instructions

This commit is contained in:
degasus 2014-01-21 18:54:16 +01:00
parent f90fe90320
commit c613868f57
2 changed files with 15 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
Source/Core/VideoCommon/VertexLoader_Position.cpp
View File

@ -61,13 +61,13 @@ MOVUPS(MOffset(EDI, 0), XMM0);
*/
template <typename T>
float PosScale(T val)
float PosScale(T val, float scale)
{
return val * posScale;
return val * scale;
}
template <>
float PosScale(float val)
float PosScale(float val, float scale)
{
return val;
}
@ -76,9 +76,10 @@ template <typename T, int N>
void LOADERDECL Pos_ReadDirect()
{
static_assert(N <= 3, "N > 3 is not sane!");
auto const scale = posScale;
for (int i = 0; i < 3; ++i)
DataWrite(i<N ? PosScale(DataRead<T>()) : 0.f);
DataWrite(i<N ? PosScale(DataRead<T>(), scale) : 0.f);
LOG_VTX();
}
@ -91,9 +92,10 @@ void LOADERDECL Pos_ReadIndex()
auto const index = DataRead<I>();
auto const data = reinterpret_cast<const T*>(cached_arraybases[ARRAY_POSITION] + (index * arraystrides[ARRAY_POSITION]));
auto const scale = posScale;
for (int i = 0; i < 3; ++i)
DataWrite(i<N ? PosScale(Common::FromBigEndian(data[i])) : 0.f);
DataWrite(i<N ? PosScale(Common::FromBigEndian(data[i]), scale) : 0.f);
LOG_VTX();
}

13
Source/Core/VideoCommon/VertexLoader_TextCoord.cpp
View File

@ -41,13 +41,13 @@ void LOADERDECL TexCoord_Read_Dummy()
}
template <typename T>
float TCScale(T val)
float TCScale(T val, float scale)
{
return val * tcScale[tcIndex];
return val * scale;
}
template <>
float TCScale(float val)
float TCScale(float val, float scale)
{
return val;
}
@ -55,8 +55,10 @@ float TCScale(float val)
template <typename T, int N>
void LOADERDECL TexCoord_ReadDirect()
{
auto const scale = tcScale[tcIndex];
for (int i = 0; i != N; ++i)
DataWrite(TCScale(DataRead<T>()));
DataWrite(TCScale(DataRead<T>(), scale));
LOG_TEX<N>();
@ -71,9 +73,10 @@ void LOADERDECL TexCoord_ReadIndex()
auto const index = DataRead<I>();
auto const data = reinterpret_cast<const T*>(cached_arraybases[ARRAY_TEXCOORD0 + tcIndex]
+ (index * arraystrides[ARRAY_TEXCOORD0 + tcIndex]));
auto const scale = tcScale[tcIndex];
for (int i = 0; i != N; ++i)
DataWrite(TCScale(Common::FromBigEndian(data[i])));
DataWrite(TCScale(Common::FromBigEndian(data[i]), scale));
LOG_TEX<N>();
++tcIndex;