piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-25 07:09:48 -06:00
Code Issues Packages Projects Releases Wiki Activity

Video_Software: Implement proper RGBA8 texture loading from tmem.

Browse Source 
For RGBA8 textures, AR and GB tiles are stored in separate tmem banks. TextureDecoder did not support that previously.
This commit is contained in:
NeoBrainX
2013-01-09 10:19:18 +01:00
parent 7bf72a6c84
commit 304814e7cc
4 changed files with 85 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
Source/Core/VideoCommon/Src/TextureDecoder.cpp
View File

@ -2515,6 +2515,28 @@ void TexDecoder_DecodeTexel(u8 *dst, const u8 *src, int s, int t, int imageWidth
}
}
void TexDecoder_DecodeTexelRGBA8FromTmem(u8 *dst, const u8 *src_ar, const u8* src_gb, int s, int t, int imageWidth)
{
u16 sBlk = s >> 2;
u16 tBlk = t >> 2;
u16 widthBlks = (imageWidth >> 2) + 1;
u32 base_ar = (tBlk * widthBlks + sBlk) << 4;
u32 base_gb = (tBlk * widthBlks + sBlk) << 4;
u16 blkS = s & 3;
u16 blkT = t & 3;
u32 blk_off = (blkT << 2) + blkS;
u32 offset_ar = (base_ar + blk_off) << 1;
u32 offset_gb = (base_gb + blk_off) << 1;
const u8* val_addr_ar = src_ar + offset_ar;
const u8* val_addr_gb = src_gb + offset_gb;
dst[3] = val_addr_ar[0]; // A
dst[0] = val_addr_ar[1]; // R
dst[1] = val_addr_gb[0]; // G
dst[2] = val_addr_gb[1]; // B
}
const char* texfmt[] = {
// pixel