diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2002-04-02 23:36:50 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2002-04-02 23:36:50 +0000 |
| commit | b63e8556fa9655bdfcc69fa04663e854f7fb2fbd (patch) | |
| tree | 0bdc09e4aa4695d3d29fdcf590b7651cb353f5cb /src/mesa/x86/mmx_blend.S | |
| parent | 31fe0ade35a4d09087c575e99ecbbe6505b6e4de (diff) | |
more blending updates from Jose
Diffstat (limited to 'src/mesa/x86/mmx_blend.S')
| -rw-r--r-- | src/mesa/x86/mmx_blend.S | 41 |
1 files changed, 22 insertions, 19 deletions
diff --git a/src/mesa/x86/mmx_blend.S b/src/mesa/x86/mmx_blend.S index 88908bd345..c2be6812ec 100644 --- a/src/mesa/x86/mmx_blend.S +++ b/src/mesa/x86/mmx_blend.S @@ -35,7 +35,7 @@ GLNAME( _mesa_mmx_blend_transparency ): MOV_L ( EDX, EAX ) AND_L ( CONST(4), EAX ) CMP_L ( CONST(8), EAX ) - JNE ( LLBL(GMBT_no_align) ) + JNE ( LLBL(GMBT_skip_runin) ) MOV_L ( REGOFF(20, EBP), EAX ) ADD_L ( CONST(3), EAX ) XOR_L ( EDX, EDX ) @@ -126,13 +126,15 @@ GLNAME( _mesa_mmx_blend_transparency ): ADD_L ( CONST(4), REGOFF(20, EBP) ) ADD_L ( CONST(4), REGOFF(24, EBP) ) DEC_L ( REGOFF(12, EBP) ) -LLBL(GMBT_skip_runin): + +LLBL (GMBT_skip_runin): CMP_L ( CONST(0), REGOFF(12, EBP) ) /* n == 0 */ - JE ( LLBL(GMBT_zero_length) ) + JE ( LLBL(GMBT_runout) ) MOV_L ( CONST(0), REGOFF(-28, EBP) ) + ALIGNTEXT4 -LLBL(GMBT_main_loop): +LLBL (GMBT_main_loop): MOV_L ( REGOFF(12, EBP), EDX ) MOV_L ( EDX, EAX ) @@ -140,19 +142,20 @@ LLBL(GMBT_main_loop): CMP_L ( EAX, REGOFF(-28, EBP) ) JB ( LLBL(GMBT_no_jump) ) JMP ( LLBL(GMBT_end_loop) ) + ALIGNTEXT16 -LLBL(GMBT_nojump): +LLBL (GMBT_no_jump): - MOV_L ( REGOFF(-28, EBP), EAX ) - LEA_L ( REGDIS(0,EAX,2), EDX ) - MOV_L ( REGOFF(16, EBP), EAX ) /* mask */ - CMP_B ( CONST(0), REGBI(EAX,EDX) ) + MOV_L ( REGOFF(-28, EBP), EAX ) /* eax = i */ + LEA_L ( REGDIS(0,EAX,2), EDX ) /* edx = i*2 */ + MOV_L ( REGOFF(16, EBP), EAX ) /* eax = mask */ + CMP_W ( CONST(0), REGBI(EAX,EDX) ) /* ((unsigned *) mask)[i] == 0 */ JE ( LLBL(GMBT_masked) ) - MOV_L ( REGOFF(-28, EBP), EAX ) + MOV_L ( REGOFF(-28, EBP), EAX ) /* eax = i */ MOV_L ( EAX, EDX ) - LEA_L ( REGDIS(0,EDX,8), ECX ) + LEA_L ( REGDIS(0,EDX,8), ECX ) /* ecx = i*8 */ MOV_L ( ECX, EAX ) - ADD_L ( REGOFF(20, EBP), EAX ) + ADD_L ( REGOFF(20, EBP), EAX ) MOV_L ( REGOFF(-28, EBP), EDX ) MOV_L ( EDX, ECX ) LEA_L ( REGDIS(0,ECX,8), EDX ) @@ -160,7 +163,7 @@ LLBL(GMBT_nojump): ADD_L ( REGOFF(24, EBP), ECX ) MOVQ ( REGIND(EAX), MM4 ) - PXOR ( MM5, MM5 ) + PXOR ( MM5, MM5 ) /* mm5 = 00 00 00 00 00 00 00 00 */ MOVQ ( MM4, MM1 ) MOVQ ( REGIND(ECX), MM7 ) PUNPCKLBW ( MM5, MM1 ) @@ -205,17 +208,16 @@ LLBL(GMBT_nojump): POR ( MM1, MM4 ) MOVQ ( MM4, REGIND(EAX) ) -LLBL(GMBT_masked): +LLBL (GMBT_masked): INC_L ( REGOFF(-28, EBP) ) JMP ( LLBL(GMBT_main_loop) ) -ALIGNTEXT16 -LLBL(GMBT_end_loop): - +ALIGNTEXT16 +LLBL (GMBT_end_loop): EMMS -LLBL(GMBT_runout): +LLBL (GMBT_runout): MOV_L ( REGOFF(12, EBP), EAX ) AND_L ( CONST(1), EAX ) @@ -349,7 +351,8 @@ LLBL(GMBT_runout): LEA_L ( REGOFF(-1, EAX), EDX ) MOV_B ( REGOFF(-32, EBP), AL ) MOV_B ( AL, REGIND(EDX) ) -LLBL(GMBT_skip_runout): + +LLBL (GMBT_skip_runout): MOV_L ( REGOFF(-56, EBP), EBX ) MOV_L ( EBP, ESP ) |