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Minor speedup in texdecoder. More informative fifo error messages.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@249 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard 2008-08-20 18:31:48 +00:00
parent f2b45beb90
commit 683ba7ecae
3 changed files with 17 additions and 20 deletions
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25
Source/Core/VideoCommon/Src/TextureDecoder.cpp
View file

@ -256,23 +256,20 @@ inline void decodebytesRGB5A3(u32 *dst, const u16 *src, int numpixels)
dst[x] = decode5A3(Common::swap16(src[x]));
}
inline void decodebytesARGB8pass1(u32 *dst, const u16 *src, const u16 *src2, int numpixels)
// This one is used by many video formats. It'd therefore be good if it was fast.
inline void decodebytesARGB8_4(u32 *dst, const u16 *src, const u16 *src2)
{
// This can probably be done in a few SSE pack/unpack instructions.
for (int x = 0; x < numpixels; x++) {
for (int x = 0; x < 4; x++) {
dst[x] = Common::swap32((src2[x] << 16) | src[x]);
}
}
inline void decodebytesARGB8pass2(u32 *dst, const u16 *src, int numpixels)
{
for (int x = 0; x < numpixels; x++)
{
int val = Common::swap16(src[x]);
int a = val & 0xFF;
val >>= 8;
*dst++ |= (val<<8) | (a<<0);
}
// This can probably be done in a few SSE pack/unpack instructions + pshufb
// some unpack instruction x2:
// ABABABABABABABAB 1212121212121212 ->
// AB12AB12AB12AB12 AB12AB12AB12AB12
// 2x pshufb->
// 21BA21BA21BA21BA 21BA21BA21BA21BA
// and we are done.
}
inline u32 makecol(int r, int g, int b, int a)
@ -411,7 +408,7 @@ PC_TexFormat TexDecoder_Decode(u8 *dst, const u8 *src, int width, int height, in
for (int x = 0; x < width; x += 4)
{
for (int iy = 0; iy < 4; iy++) {
decodebytesARGB8pass1((u32*)dst + (y+iy)*width + x, (u16*)src + 4 * iy, (u16*)src + 4 * iy + 16, 4);
decodebytesARGB8_4((u32*)dst + (y+iy)*width + x, (u16*)src + 4 * iy, (u16*)src + 4 * iy + 16);
}
src += 64;
}

10
Source/Plugins/Plugin_VideoDX9/Src/Fifo.cpp
View file

@ -46,11 +46,11 @@ void Fifo_Shutdown()
int FAKE_GetFifoSize()
{
if (size < readptr)
{
PanicAlert("GFX Fifo underrun encountered.");
}
return (size - readptr);
if (size < readptr)
{
PanicAlert("GFX Fifo underrun encountered (size = %i, readptr = %i)", size, readptr);
}
return (size - readptr);
}
u8 FAKE_PeekFifo8(u32 _uOffset)

2
Source/Plugins/Plugin_VideoOGL/Src/Fifo.cpp
View file

@ -46,7 +46,7 @@ int FAKE_GetFifoSize()
{
if (size < readptr)
{
PanicAlert("GFX Fifo underrun encountered.");
PanicAlert("GFX Fifo underrun encountered (size = %i, readptr = %i)", size, readptr);
}
return (size - readptr);
}