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

This needs to be in the right place to work for <sse4. Going to bed now :P. 

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6776 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
xsacha 2011-01-07 17:55:26 +00:00
parent 87bd4dd4b9
commit 62b79028ef
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Source/Core/VideoCommon/Src/TextureDecoder.cpp
View File

@ -1031,9 +1031,9 @@ PC_TexFormat TexDecoder_Decode_RGBA(u32 * dst, const u8 * src, int width, int he
// (bbbbbbbb bbbbbbbb aaaaaaaa aaaaaaaa) -> (bbbbbbbb 00000000 aaaaaaaa 00000000)
// And last but not least, _mm_or_si128 ORs those two together, giving us the interleaving we desire:
// (00000000 BBBBBBBB 00000000 AAAAAAAA) | (bbbbbbbb 00000000 aaaaaaaa 00000000) -> (bbbbbbbb BBBBBBBB aaaaaaaa AAAAAAAA)
__m128i o1, o2, o3, o4;
#if _M_SSE >= 0x401
// SSE4 gives 5-10% improvement in I4 texture decode when this runs:
__m128i o1, o2, o3, o4;
if (cpu_info.bSSE4_1) {
o1 = _mm_blend_epi16(i251, i151, 0x33); // 0x33 = 00110011
o2 = _mm_blend_epi16(i252, i152, 0x33);