mirror/tracy
1
0
Fork 0
mirror of https://github.com/wolfpld/tracy.git synced 2024-09-20 05:42:18 +00:00
Code Issues Packages Projects Releases Wiki Activity

Optimize DXT1 index order fixing.

Browse Source
This commit is contained in:
Bartosz Taudul 2020-06-11 03:04:09 +02:00
parent aa3b0de1f5
commit 191ff93822
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
server/TracyTextureCompression.cpp
View File

@ -219,10 +219,11 @@ void TextureCompression::FixOrder( char* data, size_t blocks )
assert( blocks > 0 );
do
{
uint8_t tmp[4];
memcpy( tmp, data+4, 4 );
for( int k=0; k<4; k++ ) tmp[k] = DxtcIndexTable[(uint8_t)tmp[k]];
memcpy( data+4, tmp, 4 );
uint32_t res = 0;
uint32_t tmp;
memcpy( &tmp, data+4, 4 );
for( int k=0; k<4; k++ ) res |= DxtcIndexTable[(tmp >> (k*8)) & 0xFF] << (k*8);
memcpy( data+4, &res, 4 );
data += 8;
}
while( --blocks );