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@@ -1893,6 +1893,8 @@ static void initMMX2HScaler(int dstW, int xInc, uint8_t *funnyCode, int16_t *fil |
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x86_reg imm8OfPShufW1 = (d+1<4) ? imm8OfPShufW1B : imm8OfPShufW1A; |
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x86_reg imm8OfPShufW2 = (d+1<4) ? imm8OfPShufW2B : imm8OfPShufW2A; |
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x86_reg fragmentLength = (d+1<4) ? fragmentLengthB : fragmentLengthA; |
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int maxShift= 3-(d+inc); |
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int shift=0; |
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filter[i ] = (( xpos & 0xFFFF) ^ 0xFFFF)>>9; |
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filter[i+1] = (((xpos+xInc ) & 0xFFFF) ^ 0xFFFF)>>9; |
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@@ -1900,30 +1902,25 @@ static void initMMX2HScaler(int dstW, int xInc, uint8_t *funnyCode, int16_t *fil |
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filter[i+3] = (((xpos+xInc*3) & 0xFFFF) ^ 0xFFFF)>>9; |
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filterPos[i/2]= xx; |
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{ |
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int maxShift= 3-(d+inc); |
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int shift=0; |
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memcpy(funnyCode + fragmentPos, fragment, fragmentLength); |
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memcpy(funnyCode + fragmentPos, fragment, fragmentLength); |
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funnyCode[fragmentPos + imm8OfPShufW1]= |
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(a+inc) | ((b+inc)<<2) | ((c+inc)<<4) | ((d+inc)<<6); |
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funnyCode[fragmentPos + imm8OfPShufW2]= |
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a | (b<<2) | (c<<4) | (d<<6); |
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funnyCode[fragmentPos + imm8OfPShufW1]= |
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(a+inc) | ((b+inc)<<2) | ((c+inc)<<4) | ((d+inc)<<6); |
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funnyCode[fragmentPos + imm8OfPShufW2]= |
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a | (b<<2) | (c<<4) | (d<<6); |
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if (i+4-inc>=dstW) shift=maxShift; //avoid overread |
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else if ((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //Align |
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if (i+4-inc>=dstW) shift=maxShift; //avoid overread |
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else if ((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //Align |
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if (shift && i>=shift) |
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{ |
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funnyCode[fragmentPos + imm8OfPShufW1]+= 0x55*shift; |
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funnyCode[fragmentPos + imm8OfPShufW2]+= 0x55*shift; |
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filterPos[i/2]-=shift; |
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} |
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fragmentPos+= fragmentLength; |
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if (shift && i>=shift) |
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{ |
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funnyCode[fragmentPos + imm8OfPShufW1]+= 0x55*shift; |
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funnyCode[fragmentPos + imm8OfPShufW2]+= 0x55*shift; |
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filterPos[i/2]-=shift; |
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} |
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fragmentPos+= fragmentLength; |
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funnyCode[fragmentPos]= RET; |
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} |
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xpos+=xInc; |
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