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Remaining patch for the 255x255=255 identity correction be

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made also in the runin and runout section of the code.
This commit is contained in:
Jose Fonseca 2002-04-14 11:33:54 +00:00
parent cffb351a62
commit d60bb2fbc8
1 changed files with 12 additions and 0 deletions
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12
src/mesa/x86/mmx_blend.S
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@ -171,6 +171,12 @@ GLNAME( _mesa_mmx_blend_transparency ):
PSRLW ( CONST(8), MM3 ) /* t1 >> 8 */ PSRLW ( CONST(8), MM3 ) /* t1 >> 8 */
PADDW ( MM3, MM2 ) /* t1 + (t1 >> 8) ~= (t1/255) << 8 */ PADDW ( MM3, MM2 ) /* t1 + (t1 >> 8) ~= (t1/255) << 8 */
#if GMBT_GEOMETRIC_CORRECTION
PSRLW ( CONST(7), MM3 ) /* t1 >> 15 */
PADDW ( MM3, MM2 ) /* t1 + (t1 >> 8) + (t1 >>15) ~= (t1/255) << 8 */
#endif
#endif #endif
#if GMBT_SIGNED_ARITHMETIC #if GMBT_SIGNED_ARITHMETIC
@ -393,6 +399,12 @@ LLBL (GMBT_loop_end):
PSRLW ( CONST(8), MM3 ) /* t1 >> 8 */ PSRLW ( CONST(8), MM3 ) /* t1 >> 8 */
PADDW ( MM3, MM2 ) /* t1 + (t1 >> 8) ~= (t1/255) << 8 */ PADDW ( MM3, MM2 ) /* t1 + (t1 >> 8) ~= (t1/255) << 8 */
#if GMBT_GEOMETRIC_CORRECTION
PSRLW ( CONST(7), MM3 ) /* t1 >> 15 */
PADDW ( MM3, MM2 ) /* t1 + (t1 >> 8) + (t1 >>15) ~= (t1/255) << 8 */
#endif
#endif #endif
#if GMBT_SIGNED_ARITHMETIC #if GMBT_SIGNED_ARITHMETIC