Emulator-Archive/ppsspp
1
0
Fork 0
mirror of https://github.com/hrydgard/ppsspp.git synced 2025-03-03 11:37:20 +00:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

some optimisation

Browse Source
This commit is contained in:
Ced2911 2013-08-25 16:16:57 +02:00
parent b56848ca16
commit 923bee1332
1 changed files with 26 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
GPU/Directx9/VertexDecoder.cpp
View File

@ -143,6 +143,7 @@ void VertexDecoder::Step_WeightsU16() const
// (PSP uses 0.0-2.0 fixed point numbers for weights)
void VertexDecoder::Step_WeightsFloat() const
{
#if 0
float *wt = (float *)(decoded_ + decFmt.w0off);
const float_le *wdata = (const float_le*)(ptr_);
int j;
@ -151,6 +152,17 @@ void VertexDecoder::Step_WeightsFloat() const
}
while (j & 3) // Zero additional weights rounding up to 4.
wt[j++] = 0.0f;
#else
float *wt = (float *)(decoded_ + decFmt.w0off);
u32 *st = (u32 *)wt;
const u32_le *wdata = (const u32_le*)(ptr_);
int j;
for (j = 0; j < nweights; j++) {
st[j] = wdata[j];
}
while (j & 3) // Zero additional weights rounding up to 4.
wt[j++] = 0.0f;
#endif
}
void VertexDecoder::Step_TcU8() const
@ -196,18 +208,32 @@ void VertexDecoder::Step_TcU16ThroughDouble() const
void VertexDecoder::Step_TcFloat() const
{
#if 0 // Swapping float is more heavy as swapping u32
float *uv = (float *)(decoded_ + decFmt.uvoff);
const float_le *uvdata = (const float_le*)(ptr_ + tcoff);
uv[0] = uvdata[0];
uv[1] = uvdata[1];
#else
u32 *uv = (u32 *)(decoded_ + decFmt.uvoff);
const u32_le *uvdata = (const u32_le*)(ptr_ + tcoff);
uv[0] = uvdata[0];
uv[1] = uvdata[1];
#endif
}
void VertexDecoder::Step_TcFloatThrough() const
{
#if 0 // Swapping float is more heavy as swapping u32
float *uv = (float *)(decoded_ + decFmt.uvoff);
const float_le *uvdata = (const float_le*)(ptr_ + tcoff);
uv[0] = uvdata[0];
uv[1] = uvdata[1];
#else
u32 *uv = (u32 *)(decoded_ + decFmt.uvoff);
const u32_le *uvdata = (const u32_le*)(ptr_ + tcoff);
uv[0] = uvdata[0];
uv[1] = uvdata[1];
#endif
}
void VertexDecoder::Step_TcU8Prescale() const {