diff options
Diffstat (limited to 'graphics/scaler/hq2x_i386.asm')
| -rw-r--r-- | graphics/scaler/hq2x_i386.asm | 253 |
1 files changed, 170 insertions, 83 deletions
diff --git a/graphics/scaler/hq2x_i386.asm b/graphics/scaler/hq2x_i386.asm index 5c826401ca..6dd97ed763 100644 --- a/graphics/scaler/hq2x_i386.asm +++ b/graphics/scaler/hq2x_i386.asm @@ -20,10 +20,14 @@ GLOBAL _hq2x_16 -EXTERN _LUT16to32 EXTERN _RGBtoYUV EXTERN _hqx_highbits EXTERN _hqx_lowbits +EXTERN _hqx_low2bits +EXTERN _hqx_low3bits +EXTERN _hqx_greenMask +EXTERN _hqx_redBlueMask +EXTERN _hqx_green_redBlue_Mask SECTION .bss linesleft resd 1 @@ -165,103 +169,186 @@ SECTION .text ; interpolate16_3<bitFormat,5,2,1> ; Mix three pixels with weight 5, 2, and 1, respectively: (c1*5+c2*2+c3)/8; %macro Interp6 3 - mov ecx, [_LUT16to32] - movd mm1, [ecx+eax*4] - mov edx, %2 - movd mm2, [ecx+edx*4] - mov edx, %3 - movd mm3, [ecx+edx*4] - punpcklbw mm1, [reg_blank] - punpcklbw mm2, [reg_blank] - punpcklbw mm3, [reg_blank] - pmullw mm1, [const5] - psllw mm2, 1 - paddw mm1, mm3 - paddw mm1, mm2 - psrlw mm1, 5 - packuswb mm1, [reg_blank] - movd edx, mm1 - shl dl, 2 - shr edx, 1 - shl dx, 3 - shr edx, 5 - mov %1, dx + ; Unpack eax to ecx and multiply by 5 + mov eax, [w5] + mov ecx, eax + shl ecx, 16 + or ecx, eax + and ecx, [_hqx_green_redBlue_Mask] + ; multiply c1 by 5 + ;imul ecx, 5 ; imul works, too, but might be slower on older systems? + mov edx, ecx + shl ecx, 2 + add ecx, edx + + ; unpack c2 to edx + mov eax, %2 + mov edx, eax + shl edx, 16 + or edx, eax + and edx, [_hqx_green_redBlue_Mask] + + ; add 2*c2 to c1*5 + add ecx, edx + add ecx, edx + + ; unpack c3 to edx + mov eax, %3 + mov edx, eax + shl edx, 16 + or edx, eax + and edx, [_hqx_green_redBlue_Mask] + + ; add c3 and 2*c2+c1*5, divide by 8, mask the result + add edx, ecx + shr edx, 3 + and edx, [_hqx_green_redBlue_Mask] + + ; finally, repack the mixed pixel + mov ecx, edx + shr ecx, 16 + or edx, ecx + + mov %1, dx %endmacro ; interpolate16_3<bitFormat,6,1,1> ; Mix three pixels with weight 6, 1, and 1, respectively: (c1*6+c2+c3)/8; %macro Interp7 3 - mov ecx, [_LUT16to32] - movd mm1, [ecx+eax*4] - mov edx, %2 - movd mm2, [ecx+edx*4] - mov edx, %3 - movd mm3, [ecx+edx*4] - punpcklbw mm1, [reg_blank] - punpcklbw mm2, [reg_blank] - punpcklbw mm3, [reg_blank] - pmullw mm1, [const6] - paddw mm2, mm3 - paddw mm1, mm2 - psrlw mm1, 5 - packuswb mm1, [reg_blank] - movd edx, mm1 - shl dl, 2 - shr edx, 1 - shl dx, 3 - shr edx, 5 - mov %1, dx + ; Unpack eax to ecx and multiply by 6 + mov eax, [w5] + mov ecx, eax + shl ecx, 16 + or ecx, eax + and ecx, [_hqx_green_redBlue_Mask] + ; multiply c1 by 6 + ;imul ecx, 6 ; imul works, too, but might be slower on older systems? + mov edx, ecx + add ecx, ecx + add ecx, edx + add ecx, ecx + + ; unpack c2 to edx + mov eax, %2 + mov edx, eax + shl edx, 16 + or edx, eax + and edx, [_hqx_green_redBlue_Mask] + + ; add c2 to c1*3 + add ecx, edx + + ; unpack c3 to edx + mov eax, %3 + mov edx, eax + shl edx, 16 + or edx, eax + and edx, [_hqx_green_redBlue_Mask] + + ; add c3 and c2+c1*3, divide by 8, mask the result + add edx, ecx + shr edx, 3 + and edx, [_hqx_green_redBlue_Mask] + + ; finally, repack the mixed pixel + mov ecx, edx + shr ecx, 16 + or edx, ecx + + mov %1, dx %endmacro ; interpolate16_3<bitFormat,2,3,3> ; Mix three pixels with weight 2, 3, and 3, respectively: (c1*2+(c2+c3)*3)/8; %macro Interp9 3 - mov ecx, [_LUT16to32] - movd mm1, [ecx+eax*4] - mov edx, %2 - movd mm2, [ecx+edx*4] - mov edx, %3 - movd mm3, [ecx+edx*4] - punpcklbw mm1, [reg_blank] - punpcklbw mm2, [reg_blank] - punpcklbw mm3, [reg_blank] - psllw mm1, 1 - paddw mm2, mm3 - pmullw mm2, [const3] - paddw mm1, mm2 - psrlw mm1, 5 - packuswb mm1, [reg_blank] - movd edx, mm1 - shl dl, 2 - shr edx, 1 - shl dx, 3 - shr edx, 5 - mov %1, dx + ; unpack c2 + mov eax, %2 + mov edx, eax + shl edx, 16 + or edx, eax + and edx, [_hqx_green_redBlue_Mask] + + ; unpack c3 + mov eax, %3 + mov ecx, eax + shl ecx, 16 + or ecx, eax + and ecx, [_hqx_green_redBlue_Mask] + + ; sum c2 and c3 + add edx, ecx + + ; multiply (c2+c3) by 3 + ;imul edx, 3 ; imul works, too, but might be slower on older systems? + mov ecx, edx + add edx, edx + add edx, ecx + + ; Restore eax, unpack it and multiply by 2 + mov eax, [w5] + mov ecx, eax + shl ecx, 16 + or ecx, eax + and ecx, [_hqx_green_redBlue_Mask] + add ecx, ecx ; multiply by 2 + + ; sum 2*eax + 3*(c2+c3), divide by 8, mask the result + add edx, ecx + shr edx, 3 + and edx, [_hqx_green_redBlue_Mask] + + ; finally, repack the mixed pixel + mov ecx, edx + shr ecx, 16 + or edx, ecx + + mov %1, dx %endmacro ; interpolate16_3<bitFormat,14,1,1> ; Mix three pixels with weight 14, 1, and 1, respectively: (c1*14+c2+c3)/16; %macro Interp10 3 - mov ecx, [_LUT16to32] - movd mm1, [ecx+eax*4] - mov edx, %2 - movd mm2, [ecx+edx*4] - mov edx, %3 - movd mm3, [ecx+edx*4] - punpcklbw mm1, [reg_blank] - punpcklbw mm2, [reg_blank] - punpcklbw mm3, [reg_blank] - pmullw mm1, [const14] - paddw mm2, mm3 - paddw mm1, mm2 - psrlw mm1, 6 - packuswb mm1, [reg_blank] - movd edx, mm1 - shl dl, 2 - shr edx, 1 - shl dx, 3 - shr edx, 5 - mov %1, dx + ; Unpack eax to ecx and multiply by 14 + mov eax, [w5] + mov ecx, eax + shl ecx, 16 + or ecx, eax + and ecx, [_hqx_green_redBlue_Mask] + ; multiply c1 by 14 + ;imul ecx, 14 ; imul works, too, but might be slower on older systems? + mov edx, ecx + shl ecx, 3 + sub ecx, edx + add ecx, ecx + + ; unpack c2 to edx + mov eax, %2 + mov edx, eax + shl edx, 16 + or edx, eax + and edx, [_hqx_green_redBlue_Mask] + + ; add c2 to c1*14 + add ecx, edx + + ; unpack c3 to edx + mov eax, %3 + mov edx, eax + shl edx, 16 + or edx, eax + and edx, [_hqx_green_redBlue_Mask] + + ; add c3 and c2+c1*14, divide by 16, mask the result + add edx, ecx + shr edx, 4 + and edx, [_hqx_green_redBlue_Mask] + + ; finally, repack the mixed pixel + mov ecx, edx + shr ecx, 16 + or edx, ecx + + mov %1, dx %endmacro %macro PIXEL00_0 0 |