diff options
| author | Jose Fonseca <j_r_fonseca@yahoo.co.uk> | 2002-04-14 11:33:54 +0000 | 
|---|---|---|
| committer | Jose Fonseca <j_r_fonseca@yahoo.co.uk> | 2002-04-14 11:33:54 +0000 | 
| commit | d60bb2fbc8b61e9748ce9c235acd4e870a2df613 (patch) | |
| tree | bb490bf7eb1925616de3f24e791972409ba43479 /src | |
| parent | cffb351a62ebc0e1954422cf749458106671b9d6 (diff) | |
Remaining patch for the 255x255=255 identity correction be
made also in the runin and runout section of the code.
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/x86/mmx_blend.S | 12 | 
1 files changed, 12 insertions, 0 deletions
| diff --git a/src/mesa/x86/mmx_blend.S b/src/mesa/x86/mmx_blend.S index 8efae08f5e..16897377c8 100644 --- a/src/mesa/x86/mmx_blend.S +++ b/src/mesa/x86/mmx_blend.S @@ -171,6 +171,12 @@ GLNAME( _mesa_mmx_blend_transparency ):      PSRLW      ( CONST(8), MM3 )		/*                    t1 >> 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  #if GMBT_SIGNED_ARITHMETIC @@ -393,6 +399,12 @@ LLBL (GMBT_loop_end):      PSRLW      ( CONST(8), MM3 )		/*                    t1 >> 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  #if GMBT_SIGNED_ARITHMETIC | 
