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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@818 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Sonicadvance1 2008-10-09 21:26:21 +00:00
parent bb7cae4c18
commit 2df982a503
1 changed files with 2 additions and 2 deletions
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4
Source/Core/VideoCommon/Src/TextureDecoder.cpp
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@ -152,7 +152,6 @@ inline void decodebytesI4(u32 *dst, const u8 *src)
inline void decodebytesI8_8(u32 *dst, const u8 *src) inline void decodebytesI8_8(u32 *dst, const u8 *src)
{ {
// TODO: SSSE3 variant (pshufb), possibly SSE2 variant (packuswb). THP videos use this format.
for (int x = 0; x < 8; x++) for (int x = 0; x < 8; x++)
dst[x] = src[x] * 0x01010101; //expand8888(src[x]); *0x... may or may not be faster. not sure. Should be faster on P4 at least. dst[x] = src[x] * 0x01010101; //expand8888(src[x]); *0x... may or may not be faster. not sure. Should be faster on P4 at least.
} }
@ -352,7 +351,8 @@ PC_TexFormat TexDecoder_Decode(u8 *dst, const u8 *src, int width, int height, in
return PC_TEX_FMT_BGRA32; return PC_TEX_FMT_BGRA32;
case GX_TF_I4: case GX_TF_I4:
{ {
//Works in GCC 4.3.2 and above, possibly 4.3.1 and above // TODO: SSSE3 variant (pshufb), THP videos use this format.
// SSSE3 variant could bring even more speed
#if (defined(_WIN32) || (defined (_M_X64) && !defined(_WIN32))) #if (defined(_WIN32) || (defined (_M_X64) && !defined(_WIN32)))
__m128i Lmask = _mm_set1_epi8 (0x0F); __m128i Lmask = _mm_set1_epi8 (0x0F);
__m128i Hmask = _mm_set1_epi8 (0xF0); __m128i Hmask = _mm_set1_epi8 (0xF0);