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updates from Jose Fonseca

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This commit is contained in:
Brian Paul 2002-04-02 16:16:14 +00:00
parent 1537b63fce
commit 01bcd83def
1 changed files with 30 additions and 25 deletions
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55
src/mesa/x86/mmx_blend.S
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@ -7,25 +7,35 @@ SEG_TEXT
ALIGNTEXT16
GLOBL GLNAME(_mesa_mmx_blend_transparency)
/*
* void blend_transparency( GLcontext *ctx,
* GLuint n,
* const GLubyte mask[],
* GLchan rgba[][4],
* CONST GLchan dest[][4] )
*
* Common transparency blending mode.
*/
GLNAME( _mesa_mmx_blend_transparency ):
PUSH_L ( EBP )
MOV_L ( ESP, EBP )
SUB_L ( CONST(52), ESP )
PUSH_L ( EBX )
MOV_L ( CONST(16711680), REGOFF(-8, EBP) )
MOV_L ( CONST(16711680), REGOFF(-4, EBP) )
MOV_L ( CONST(0), REGOFF(-16, EBP) )
MOV_L ( CONST(-1), REGOFF(-12, EBP) )
MOV_L ( CONST(-1), REGOFF(-24, EBP) )
MOV_L ( CONST(0), REGOFF(-20, EBP) )
MOV_L ( REGOFF(24, EBP), EAX )
MOV_L ( REGOFF(24, EBP), EAX ) /* rgba */
ADD_L ( CONST(4), EAX )
MOV_L ( EAX, EDX )
AND_L ( REGOFF(20, EBP), EDX )
AND_L ( REGOFF(20, EBP), EDX ) /* mask */
MOV_L ( EDX, EAX )
AND_L ( CONST(4), EAX )
CMP_L ( CONST(8), EAX )
JNE ( LLBL(GMBT_2) )
JNE ( LLBL(GMBT_no_align) )
MOV_L ( REGOFF(20, EBP), EAX )
ADD_L ( CONST(3), EAX )
XOR_L ( EDX, EDX )
@ -116,28 +126,28 @@ 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_2):
LLBL(GMBT_skip_runin):
CMP_L ( CONST(0), REGOFF(12, EBP) )
JE ( LLBL(GMBT_3) )
MOV_L ( CONST(0), REGOFF(-28, EBP) )
CMP_L ( CONST(0), REGOFF(12, EBP) ) /* n == 0 */
JE ( LLBL(GMBT_zero_length) )
MOV_L ( CONST(0), REGOFF(-28, EBP) )
ALIGNTEXT4
LLBL(GMBT_4):
LLBL(GMBT_main_loop):
MOV_L ( REGOFF(12, EBP), EDX )
MOV_L ( EDX, EAX )
SHR_L ( CONST(1), EAX )
SHR_L ( CONST(1), EAX ) /* eax = n/2 */
CMP_L ( EAX, REGOFF(-28, EBP) )
JB ( LLBL(GMBT_7) )
JMP ( LLBL(GMBT_5) )
JB ( LLBL(GMBT_no_jump) )
JMP ( LLBL(GMBT_end_loop) )
ALIGNTEXT16
LLBL(GMBT_7):
LLBL(GMBT_nojump):
MOV_L ( REGOFF(-28, EBP), EAX )
LEA_L ( REGDIS(0,EAX,2), EDX )
MOV_L ( REGOFF(16, EBP), EAX )
MOV_L ( REGOFF(16, EBP), EAX ) /* mask */
CMP_B ( CONST(0), REGBI(EAX,EDX) )
JE ( LLBL(GMBT_6) )
JE ( LLBL(GMBT_masked) )
MOV_L ( REGOFF(-28, EBP), EAX )
MOV_L ( EAX, EDX )
LEA_L ( REGDIS(0,EDX,8), ECX )
@ -195,25 +205,22 @@ LLBL(GMBT_7):
POR ( MM1, MM4 )
MOVQ ( MM4, REGIND(EAX) )
LLBL(GMBT_8):
LLBL(GMBT_6):
LLBL(GMBT_masked):
INC_L ( REGOFF(-28, EBP) )
JMP ( LLBL(GMBT_4) )
JMP ( LLBL(GMBT_main_loop) )
ALIGNTEXT16
LLBL(GMBT_5):
LLBL(GMBT_end_loop):
EMMS
LLBL(GMBT_3):
LLBL(GMBT_runout):
MOV_L ( REGOFF(12, EBP), EAX )
AND_L ( CONST(1), EAX )
TEST_L ( EAX, EAX )
JE ( LLBL(GMBT_9) )
JE ( LLBL(GMBT_skip_runout) )
MOV_L ( REGOFF(12, EBP), EAX )
LEA_L ( REGDIS(0,EAX,4), EDX )
MOV_L ( EDX, EAX )
@ -342,9 +349,7 @@ LLBL(GMBT_3):
LEA_L ( REGOFF(-1, EAX), EDX )
MOV_B ( REGOFF(-32, EBP), AL )
MOV_B ( AL, REGIND(EDX) )
LLBL(GMBT_9):
LLBL(GMBT_1):
LLBL(GMBT_skip_runout):
MOV_L ( REGOFF(-56, EBP), EBX )
MOV_L ( EBP, ESP )