mirror of
https://github.com/ptitSeb/Serious-Engine
synced 2024-11-22 02:20:25 +01:00
fix LayerMixer asm
- clobber the whole x87 state for mmx (emms alone requires this) - add all modified registers to clobber list (in some cases use dummy output vars instead) - use symbolic names - use more relaxed constraints where possible - allow gcc to allocate ebx replacement reg
This commit is contained in:
notaz
parent
cb69bd3cdd
commit
fd045e5025
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@ -365,9 +365,9 @@ skipPixel:
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}
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#elif (defined __GNU_INLINE__)
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ULONG tmp1, tmp2;
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__asm__ __volatile__ (
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// prepare interpolants
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"pushl %%ebx \n\t"
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"movd (" ASMSYM(_slL2Row) "), %%mm0 \n\t"
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"movd (" ASMSYM(_slDL2oDURow) "), %%mm1 \n\t"
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"psllq $32, %%mm1 \n\t"
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@ -378,26 +378,25 @@ skipPixel:
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"por %%mm0, %%mm2 \n\t" // MM2 = slDDL2oDUoDV | slDL2oDV
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// prepare color
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"pxor %%mm0, %%mm0 \n\t"
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"movd %%eax, %%mm7 \n\t"
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"movd %[ulLightRGB], %%mm7 \n\t"
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"punpcklbw %%mm0, %%mm7 \n\t"
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"psllw $1, %%mm7 \n\t"
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// loop thru rows
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"movl (" ASMSYM(_pulLayer) "), %%edi \n\t"
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"movl (" ASMSYM(_iRowCt) "), %%ebx \n\t"
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"movl (" ASMSYM(_iRowCt) "), %[xbx] \n\t"
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"0: \n\t" // rowLoop
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"pushl %%ebx \n\t"
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"movd %%mm1, %%ebx \n\t" // EBX = slL2Point
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"movd %%mm1, %[slL2Point] \n\t"
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"movq %%mm1, %%mm3 \n\t"
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"psrlq $32, %%mm3 \n\t" // MM3 = 0 | slDL2oDU
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// loop thru pixels in current row
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"movl (" ASMSYM(_iPixCt) "), %%ecx \n\t"
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"1: \n\t" // pixLoop
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// check if pixel need to be drawn
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"cmpl $0x10000000, %%ebx \n\t"
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"cmpl $0x10000000, %[slL2Point] \n\t"
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"jge 3f \n\t" // skipPixel
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// calculate intensities and do actual drawing of shadow pixel ARGB
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"movd %%ecx, %%mm4 \n\t"
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"movl %%ebx, %%eax \n\t"
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"movl %[slL2Point], %%eax \n\t"
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"sarl $15, %%eax \n\t"
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"andl $8191, %%eax \n\t"
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"movzbl " ASMSYM(aubSqrt) "(%%eax), %%eax \n\t"
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@ -424,22 +423,20 @@ skipPixel:
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// advance to next pixel
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"addl $4, %%edi \n\t"
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"movd %%mm3, %%eax \n\t"
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"addl %%eax, %%ebx \n\t"
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"addl %%eax, %[slL2Point] \n\t"
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"paddd (" ASMSYM(mmDDL2oDU_AddAmbientPoint) "), %%mm3 \n\t"
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"decl %%ecx \n\t"
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"jnz 1b \n\t" // pixLoop
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// advance to the next row
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"popl %%ebx \n\t"
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"addl (" ASMSYM(_slModulo) "), %%edi \n\t"
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"paddd %%mm2, %%mm1 \n\t"
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"paddd (" ASMSYM(mmDDL2oDV_AddAmbientPoint) "), %%mm2 \n\t"
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"decl %%ebx \n\t"
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"decl %[xbx] \n\t"
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"jnz 0b \n\t" // rowLoop
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"popl %%ebx \n\t"
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"emms \n\t"
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: // no outputs.
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: "a" (ulLightRGB)
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: "ecx", "edx", "edi", "esi", "cc", "memory"
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: [xbx] "=&r" (tmp1), [slL2Point] "=&g" (tmp2)
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: [ulLightRGB] "g" (ulLightRGB)
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: FPU_REGS, MMX_REGS, "eax", "ecx", "edi", "cc", "memory"
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);
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#else
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@ -580,10 +577,9 @@ skipPixel:
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}
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#elif (defined __GNU_INLINE__)
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ULONG tmp1, tmp2;
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__asm__ __volatile__ (
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// prepare interpolants
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"pushl %%ebx \n\t"
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"movl %%ecx, %%ebx \n\t"
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"movd (" ASMSYM(_slL2Row) "), %%mm0 \n\t"
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"movd (" ASMSYM(_slDL2oDURow) "), %%mm1 \n\t"
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"psllq $32, %%mm1 \n\t"
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@ -594,29 +590,30 @@ skipPixel:
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"por %%mm0, %%mm2 \n\t" // MM2 = slDDL2oDUoDV | slDL2oDV
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// prepare color
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"pxor %%mm0, %%mm0 \n\t" // MM0 = 0 | 0 (for unpacking purposes)
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"movd %%eax, %%mm7 \n\t" // eax == ulLightRGB
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"movd %[ulLightRGB], %%mm7 \n\t"
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"punpcklbw %%mm0, %%mm7 \n\t"
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"psllw $1, %%mm7 \n\t"
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// loop thru rows
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"movl %[pubMask], %%esi \n\t"
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"movl (" ASMSYM(_pulLayer) "), %%edi \n\t"
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"movzbl (%%ebx), %%edx \n\t" // ebx == &ubMask
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"movl (" ASMSYM(_iRowCt) "), %%ebx \n\t"
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"movzbl %[ubMask], %%edx \n\t"
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"movl (" ASMSYM(_iRowCt) "), %%eax \n\t"
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"movl %%eax, %[xbx] \n\t"
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"0: \n\t" // rowLoop
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"pushl %%ebx \n\t"
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"movd %%mm1, %%ebx \n\t" // EBX = slL2Point
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"movd %%mm1, %[slL2Point] \n\t"
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"movq %%mm1, %%mm3 \n\t"
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"psrlq $32, %%mm3 \n\t" // MM3 = 0 | slDL2oDU
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// loop thru pixels in current row
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"movl (" ASMSYM(_iPixCt) "), %%ecx \n\t"
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"1: \n\t" // pixLoop
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// check if pixel need to be drawn; i.e. draw if( [esi] & ubMask && (slL2Point<FTOX))
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"cmpl $0x10000000, %%ebx \n\t"
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"cmpl $0x10000000, %[slL2Point] \n\t"
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"jge 3f \n\t" // skipPixel
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"testb (%%esi), %%dl \n\t"
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"je 3f \n\t" // skipPixel
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// calculate intensities and do actual drawing of shadow pixel ARGB
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"movd %%ecx, %%mm4 \n\t"
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"movl %%ebx, %%eax \n\t"
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"movl %[slL2Point], %%eax \n\t"
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"sarl $15, %%eax \n\t"
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"andl $8191, %%eax \n\t"
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"movzbl " ASMSYM(aubSqrt) "(%%eax), %%eax \n\t"
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@ -643,24 +640,24 @@ skipPixel:
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// advance to next pixel
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"addl $4, %%edi \n\t"
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"movd %%mm3, %%eax \n\t"
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"addl %%eax, %%ebx \n\t"
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"addl %%eax, %[slL2Point] \n\t"
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"paddd (" ASMSYM(mmDDL2oDU_addAmbientMaskPoint) "), %%mm3 \n\t"
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"rolb $1, %%dl \n\t"
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"adcl $0, %%esi \n\t"
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"decl %%ecx \n\t"
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"jnz 1b \n\t" // pixLoop
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// advance to the next row
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"popl %%ebx \n\t"
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"addl (" ASMSYM(_slModulo) "), %%edi \n\t"
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"paddd %%mm2, %%mm1 \n\t"
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"paddd (" ASMSYM(mmDDL2oDV_addAmbientMaskPoint) "), %%mm2 \n\t"
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"decl %%ebx \n\t"
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"decl %[xbx] \n\t"
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"jnz 0b \n\t" // rowLoop
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"popl %%ebx \n\t"
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"emms \n\t"
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: // no outputs.
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: "a" (ulLightRGB), "S" (pubMask), "c" (&ubMask)
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: "edx", "edi", "cc", "memory"
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: [xbx] "=&g" (tmp1), [slL2Point] "=&g" (tmp2)
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: [ulLightRGB] "g" (ulLightRGB), [pubMask] "g" (pubMask),
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[ubMask] "m" (ubMask)
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: FPU_REGS, MMX_REGS, "eax", "ecx", "edx", "esi", "edi",
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"cc", "memory"
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);
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#else
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@ -800,10 +797,8 @@ skipPixel:
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}
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#elif (defined __GNU_INLINE__)
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ULONG tmp1, tmp2;
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__asm__ __volatile__ (
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"pushl %%ebx \n\t"
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"movl %%ecx, %%ebx \n\t"
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"pushl %%ebx \n\t"
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// prepare interpolants
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"movd (" ASMSYM(_slL2Row) "), %%mm0 \n\t"
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"movd (" ASMSYM(_slDL2oDURow) "), %%mm1 \n\t"
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@ -816,31 +811,30 @@ skipPixel:
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// prepare color
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"pxor %%mm0, %%mm0 \n\t"
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"movd %%eax, %%mm7 \n\t"
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"movd %[ulLightRGB], %%mm7 \n\t"
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"punpcklbw %%mm0, %%mm7 \n\t"
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"psllw $1, %%mm7 \n\t"
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// loop thru rows
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"movl (" ASMSYM(_pulLayer) "), %%edi \n\t"
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"movl (" ASMSYM(_iRowCt) "), %%ebx \n\t"
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"movl (" ASMSYM(_iRowCt) "), %[xbx] \n\t"
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"0: \n\t" // rowLoop
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"pushl %%ebx \n\t"
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"movd %%mm1, %%ebx \n\t" // EBX = slL2Point
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"movd %%mm1, %[slL2Point] \n\t"
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"movq %%mm1, %%mm3 \n\t"
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"psrlq $32, %%mm3 \n\t" // MM3 = 0 | slDL2oDU
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// loop thru pixels in current row
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"movl (" ASMSYM(_iPixCt) "), %%ecx \n\t"
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"1: \n\t" // pixLoop
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// check if pixel need to be drawn
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"cmpl $0x10000000, %%ebx \n\t"
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"cmpl $0x10000000, %[slL2Point] \n\t"
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"jge 3f \n\t" // skipPixel
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// calculate intensities and do actual drawing of shadow pixel ARGB
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"movd %%ecx, %%mm4 \n\t"
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"movl %%ebx, %%eax \n\t"
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"movl %[slL2Point], %%eax \n\t"
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"sarl $15, %%eax \n\t"
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"andl $8191, %%eax \n\t"
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"movzwl " ASMSYM(auw1oSqrt) "(, %%eax, 2), %%eax \n\t"
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"movl (" ASMSYM(_slLightMax) "), %%ecx \n\t"
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"cmpl 4(%%esp), %%eax \n\t"
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"cmpl %[slMax1oL], %%eax \n\t"
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"jge 2f \n\t" // skipInterpolation
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"leal -256(%%eax), %%ecx \n\t"
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"imull (" ASMSYM(_slLightStep) "), %%ecx \n\t"
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@ -861,23 +855,20 @@ skipPixel:
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// advance to next pixel
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"addl $4, %%edi \n\t"
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"movd %%mm3, %%eax \n\t"
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"addl %%eax, %%ebx \n\t"
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"addl %%eax, %[slL2Point] \n\t"
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"paddd (" ASMSYM(mmDDL2oDU_AddDiffusionPoint) "), %%mm3 \n\t"
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"decl %%ecx \n\t"
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"jnz 1b \n\t" // pixLoop
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// advance to the next row
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"popl %%ebx \n\t"
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"addl (" ASMSYM(_slModulo) "), %%edi \n\t"
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"paddd %%mm2, %%mm1 \n\t"
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"paddd (" ASMSYM(mmDDL2oDV_AddDiffusionPoint) "), %%mm2 \n\t"
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"decl %%ebx \n\t"
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"decl %[xbx] \n\t"
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"jnz 0b \n\t" // rowLoop
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"addl $4, %%esp \n\t"
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"popl %%ebx \n\t"
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"emms \n\t"
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: // no outputs.
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: "a" (ulLightRGB), "c" (slMax1oL)
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: "edx", "edi", "esi", "cc", "memory"
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: [xbx] "=&r" (tmp1), [slL2Point] "=&g" (tmp2)
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: [ulLightRGB] "g" (ulLightRGB), [slMax1oL] "g" (slMax1oL)
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: FPU_REGS, MMX_REGS, "eax", "ecx", "edi", "cc", "memory"
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);
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#else
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@ -1018,9 +1009,9 @@ skipPixel:
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}
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#elif (defined __GNU_INLINE__)
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ULONG tmp1, tmp2;
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__asm__ __volatile__ (
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// prepare interpolants
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"pushl %%edx \n\t" // slMax1oL
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"movd (" ASMSYM(_slL2Row) "), %%mm0 \n\t"
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"movd (" ASMSYM(_slDL2oDURow) "), %%mm1 \n\t"
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"psllq $32, %%mm1 \n\t"
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@ -1031,34 +1022,35 @@ skipPixel:
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"por %%mm0, %%mm2 \n\t" // MM2 = slDDL2oDUoDV | slDL2oDV
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// prepare color
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"pxor %%mm0, %%mm0 \n\t" // MM0 = 0 | 0 (for unpacking purposes)
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"movd %%eax, %%mm7 \n\t" // eax == ulLightRGB
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"movd %[ulLightRGB], %%mm7 \n\t"
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"punpcklbw %%mm0, %%mm7 \n\t"
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"psllw $1, %%mm7 \n\t"
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// loop thru rows
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"movl %[pubMask], %%esi \n\t"
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"movl (" ASMSYM(_pulLayer) "), %%edi \n\t"
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"movzbl (%%ecx), %%edx \n\t" // ecx == &ubMask
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"movl (" ASMSYM(_iRowCt) "), %%ebx \n\t"
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"movzbl %[ubMask], %%edx \n\t"
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"movl (" ASMSYM(_iRowCt) "), %%eax \n\t"
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"movl %%eax, %[xbx] \n\t"
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"0: \n\t" // rowLoop
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"pushl %%ebx \n\t"
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"movd %%mm1, %%ebx \n\t" // EBX = slL2Point
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"movd %%mm1, %[slL2Point] \n\t"
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"movq %%mm1, %%mm3 \n\t"
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"psrlq $32, %%mm3 \n\t" // MM3 = 0 | slDL2oDU
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// loop thru pixels in current row
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"movl (" ASMSYM(_iPixCt) "), %%ecx \n\t"
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"1: \n\t" // pixLoop
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// check if pixel need to be drawn; i.e. draw if( [esi] & ubMask && (slL2Point<FTOX))
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"cmpl $0x10000000, %%ebx \n\t"
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"cmpl $0x10000000, %[slL2Point] \n\t"
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"jge 3f \n\t" // skipPixel
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"testb (%%esi), %%dl \n\t"
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"je 3f \n\t" // skipPixel
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// calculate intensities and do actual drawing of shadow pixel ARGB
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"movd %%ecx, %%mm4 \n\t"
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"movl %%ebx, %%eax \n\t"
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"movl %[slL2Point], %%eax \n\t"
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"sarl $15, %%eax \n\t"
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"andl $8191, %%eax \n\t"
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"movzwl " ASMSYM(auw1oSqrt) "(, %%eax, 2), %%eax \n\t"
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"movl (" ASMSYM(_slLightMax) "), %%ecx \n\t"
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"cmpl 4(%%esp), %%eax \n\t" // slMax1oL
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"cmpl %[slMax1oL], %%eax \n\t"
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"jge 2f \n\t" // skipInterpolation
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"leal -256(%%eax), %%ecx \n\t"
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"imull (" ASMSYM(_slLightStep) "), %%ecx \n\t"
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@ -1079,24 +1071,24 @@ skipPixel:
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// advance to next pixel
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"addl $4, %%edi \n\t"
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"movd %%mm3, %%eax \n\t"
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"addl %%eax, %%ebx \n\t"
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"addl %%eax, %[slL2Point] \n\t"
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"paddd (" ASMSYM(mmDDL2oDU_AddDiffusionMaskPoint) "), %%mm3 \n\t"
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"rolb $1, %%dl \n\t"
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"adcl $0, %%esi \n\t"
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"decl %%ecx \n\t"
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"jnz 1b \n\t" // pixLoop
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// advance to the next row
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"popl %%ebx \n\t"
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"addl (" ASMSYM(_slModulo) "), %%edi \n\t"
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"paddd %%mm2, %%mm1 \n\t"
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"paddd (" ASMSYM(mmDDL2oDV_AddDiffusionMaskPoint) "), %%mm2 \n\t"
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"decl %%ebx \n\t"
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"decl %[xbx] \n\t"
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"jnz 0b \n\t" // rowLoop
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"addl $4, %%esp \n\t" // ditch our temporaries.
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"emms \n\t"
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: // no outputs.
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: "a" (ulLightRGB), "S" (pubMask), "c" (&ubMask), "d" (slMax1oL)
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: "cc", "memory"
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: [xbx] "=&g" (tmp1), [slL2Point] "=&g" (tmp2)
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: [ulLightRGB] "g" (ulLightRGB), [pubMask] "g" (pubMask),
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[ubMask] "m" (ubMask), [slMax1oL] "g" (slMax1oL)
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: FPU_REGS, MMX_REGS, "eax", "ecx", "edx", "esi", "edi",
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"cc", "memory"
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);
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#else
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@ -1574,16 +1566,16 @@ rowNext:
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}
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#elif (defined __GNU_INLINE__)
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ULONG tmp;
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__asm__ __volatile__ (
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// prepare pointers and variables
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"pushl %%ebx \n\t"
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"movl %%ecx,%%ebx \n\t"
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"movd (%%eax), %%mm6 \n\t"
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"movl (" ASMSYM(_pulLayer) "), %%edi \n\t"
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"movl (" ASMSYM(_iRowCt) "), %[xbx] \n\t"
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"movd %[ulLight], %%mm6 \n\t"
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"punpckldq %%mm6, %%mm6 \n\t"
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"0: \n\t" // rowLoop
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"movl %%edx, %%ecx \n\t"
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"movl (" ASMSYM(_iPixCt) "), %%ecx \n\t"
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"shrl $1, %%ecx \n\t"
|
||||
"jz 2f \n\t" // pixRest
|
||||
|
||||
|
|
@ -1598,7 +1590,7 @@ rowNext:
|
|||
"decl %%ecx \n\t"
|
||||
"jnz 1b \n\t" // pixLoop
|
||||
"2: \n\t" // pixRest
|
||||
"testl $1, %%edx \n\t"
|
||||
"testl $1, (" ASMSYM(_iPixCt) ") \n\t"
|
||||
"jz 3f \n\t" // rowNext
|
||||
"movd (%%edi), %%mm5 \n\t"
|
||||
"paddusb %%mm6, %%mm5 \n\t"
|
||||
|
|
@ -1607,15 +1599,13 @@ rowNext:
|
|||
|
||||
"3: \n\t" // rowNext
|
||||
// advance to the next row
|
||||
"addl %%esi, %%edi \n\t"
|
||||
"decl %%ebx \n\t"
|
||||
"addl (" ASMSYM(_slModulo) "), %%edi \n\t"
|
||||
"decl %[xbx] \n\t"
|
||||
"jnz 0b \n\t" // rowLoop
|
||||
"popl %%ebx \n\t"
|
||||
"emms \n\t"
|
||||
: // no outputs.
|
||||
: "S" (_slModulo), "D" (_pulLayer), "a" (&ulLight), "c" (_iRowCt),
|
||||
"d" (_iPixCt)
|
||||
: "cc", "memory"
|
||||
: [xbx] "=&r" (tmp)
|
||||
: [ulLight] "g" (ulLight)
|
||||
: FPU_REGS, "mm5", "mm6", "ecx", "edi", "cc", "memory"
|
||||
);
|
||||
|
||||
#else
|
||||
|
|
@ -1676,16 +1666,17 @@ skipLight:
|
|||
}
|
||||
|
||||
#elif (defined __GNU_INLINE__)
|
||||
ULONG tmp;
|
||||
__asm__ __volatile__ (
|
||||
// prepare pointers and variables
|
||||
"pushl %%ebx \n\t" // save GCC's register.
|
||||
"movl (" ASMSYM(_iRowCt) "), %%ebx \n\t"
|
||||
"pushl %%ecx \n\t"
|
||||
"movzbl (%%edx), %%edx \n\t"
|
||||
"movd (%%eax), %%mm6 \n\t"
|
||||
"movzbl %[ubMask], %%edx \n\t"
|
||||
"movl %[pubMask], %%esi \n\t"
|
||||
"movl (" ASMSYM(_pulLayer) "), %%edi \n\t"
|
||||
"movl (" ASMSYM(_iRowCt) "), %[xbx]\n\t"
|
||||
"movd %[ulLight], %%mm6 \n\t"
|
||||
|
||||
"0: \n\t" // rowLoop
|
||||
"movl (%%esp), %%ecx \n\t"
|
||||
"movl (" ASMSYM(_iPixCt) "), %%ecx \n\t"
|
||||
|
||||
"1: \n\t" // pixLoop
|
||||
// mix underlaying pixels with the constant light color if not shaded
|
||||
|
|
@ -1705,15 +1696,14 @@ skipLight:
|
|||
|
||||
// advance to the next row
|
||||
"addl (" ASMSYM(_slModulo) "), %%edi \n\t"
|
||||
"decl %%ebx \n\t"
|
||||
"decl %[xbx] \n\t"
|
||||
"jnz 0b \n\t" // rowLoop
|
||||
"emms \n\t"
|
||||
"popl %%ebx \n\t" // lose _iPixCt we pushed.
|
||||
"popl %%ebx \n\t" // restore GCC's register.
|
||||
:
|
||||
: "d" (&ubMask), "S" (pubMask), "D" (_pulLayer),
|
||||
"a" (&ulLight), "c" (_iPixCt)
|
||||
: "cc", "memory"
|
||||
: [xbx] "=&r" (tmp)
|
||||
: [ubMask] "m" (ubMask), [pubMask] "g" (pubMask),
|
||||
[ulLight] "g" (ulLight)
|
||||
: FPU_REGS, "mm5", "mm6", "ecx", "edx", "esi", "edi",
|
||||
"cc", "memory"
|
||||
);
|
||||
|
||||
#else
|
||||
|
|
@ -1873,13 +1863,14 @@ void CLayerMixer::MixOneMipmap(CBrushShadowMap *pbsm, INDEX iMipmap)
|
|||
}
|
||||
|
||||
#elif (defined __GNU_INLINE__)
|
||||
ULONG clob1, clob2, clob3;
|
||||
__asm__ __volatile__ (
|
||||
"cld \n\t"
|
||||
"imull %%esi, %%ecx \n\t"
|
||||
"bswapl %%eax \n\t"
|
||||
"rep \n\t"
|
||||
"stosl \n\t"
|
||||
: // no outputs.
|
||||
: "=a" (clob1), "=c" (clob2), "=D" (clob3)
|
||||
: "c" (this->lm_pixCanvasSizeU), "S" (this->lm_pixCanvasSizeV),
|
||||
"a" (colAmbient), "D" (this->lm_pulShadowMap)
|
||||
: "cc", "memory"
|
||||
|
|
@ -1977,12 +1968,13 @@ __forceinline void CLayerMixer::CopyShadowLayer(void)
|
|||
rep movsd
|
||||
}
|
||||
#elif (defined __GNU_INLINE__)
|
||||
ULONG clob1, clob2, clob3;
|
||||
__asm__ __volatile__ (
|
||||
"cld \n\t"
|
||||
"imull %%eax, %%ecx \n\t"
|
||||
"rep \n\t"
|
||||
"movsl \n\t"
|
||||
: // no outputs.
|
||||
: "=c" (clob1), "=S" (clob2), "=D" (clob3)
|
||||
: "c" (this->lm_pixCanvasSizeU), "a" (this->lm_pixCanvasSizeV),
|
||||
"S" (this->lm_pulStaticShadowMap), "D" (this->lm_pulShadowMap)
|
||||
: "cc", "memory"
|
||||
|
|
@ -2015,13 +2007,14 @@ __forceinline void CLayerMixer::FillShadowLayer( COLOR col)
|
|||
}
|
||||
|
||||
#elif (defined __GNU_INLINE__)
|
||||
ULONG clob1, clob2, clob3;
|
||||
__asm__ __volatile__ (
|
||||
"cld \n\t"
|
||||
"imull %%edx, %%ecx \n\t"
|
||||
"bswapl %%eax \n\t" // convert to R,G,B,A memory format!
|
||||
"rep \n\t"
|
||||
"stosl \n\t"
|
||||
: // no outputs.
|
||||
: "=a" (clob1), "=c" (clob2), "=D" (clob3)
|
||||
: "c" (this->lm_pixCanvasSizeU), "d" (this->lm_pixCanvasSizeV),
|
||||
"a" (col), "D" (this->lm_pulShadowMap)
|
||||
: "cc", "memory"
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user