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DirectXTex: fixed color order for 24bpp legacy DDS file expansions

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walbourn_cp 2012-06-21 18:24:33 -07:00
parent 37a80354e3
commit fe9bb94d6c
1 changed files with 3 additions and 2 deletions
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DirectXTex/DirectXTexDDS.cpp
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@ -689,9 +689,10 @@ static bool _LegacyExpandScanline( _Out_bytecap_(outSize) LPVOID pDestination, s
for( size_t ocount = 0, icount = 0; ((icount < inSize) && (ocount < outSize)); icount += 3, ocount += 4 ) for( size_t ocount = 0, icount = 0; ((icount < inSize) && (ocount < outSize)); icount += 3, ocount += 4 )
{ {
uint32_t t1 = *sPtr; // 24bpp Direct3D 9 files are actually BGR, so need to swizzle as well
uint32_t t1 = ( *(sPtr) << 16 );
uint32_t t2 = ( *(sPtr+1) << 8 ); uint32_t t2 = ( *(sPtr+1) << 8 );
uint32_t t3 = ( *(sPtr+2) << 16 ); uint32_t t3 = *(sPtr+2);
*(dPtr++) = t1 | t2 | t3 | 0xff000000; *(dPtr++) = t1 | t2 | t3 | 0xff000000;
sPtr += 3; sPtr += 3;