pike.git/src/modules/Image/assembly.s:02d646e302f8c356991dc12ae3ff5148ceed50e2

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 ; depends on nasm global image_mult_buffer_mmx_x86asm global image_mult_buffers_mmx_x86asm global image_add_buffers_mmx_x86asm global image_add_buffer_mmx_x86asm global image_sub_buffer_mmx_x86asm ; Add two images ; ; void image_add_buffer_mmx_x86asm( char *s1, char *s2, int npixels_div_8 ) image_add_buffers_mmx_x86asm: enter 0,0 mov eax, [ebp+8] mov edx, [ebp+12] mov ecx, [ebp+16] .loop: movq mm0, [edx] add edx, 8 paddusb mm0, [eax] movq [eax],mm0 add eax, 8 loopnz .loop,ecx emms leave ret ; Multiply two images ; Add a fixed rgb value to an image ; ; void image_mult_buffers_mmx_x86asm( char *s1, char *s2, int npixels_div_4 ) image_mult_buffers_mmx_x86asm: enter 0,0 mov eax, [ebp+8] mov edx, [ebp+12] mov ecx, [ebp+16] pxor mm4,mm4 .loop: movd mm0, [eax] movd mm1, [edx] punpcklbw mm0,mm4 add edx, 4 punpcklbw mm1,mm4 pmullw mm0,mm1 psrlw mm0, 8 packuswb mm0,mm0 movd [eax],mm0 add eax, 4 loopnz .loop,ecx emms leave ret ; Subtract a RGB-value value to an image ; ; void image_sub_buffer_mmx_x86asm( char *source, int npixels, ; int rgbr, int gbrg, int brgb ) ; ; eax address ebp+8 ; mm0 sourcedata [eax] ; ecx numpixels ebp+12 ; mm1 mult1 <rgbr> ebp+16 ; mm2 mult2 <gbrg> ebp+20 ; mm3 mult3 <brgb> ebp+24 ; mm4 null image_sub_buffer_mmx_x86asm: enter 0,0 mov eax, [ebp+8] mov ecx, [ebp+12] movd mm1,[ebp+16] ; rgb r movd mm2,[ebp+20] ; gb rg movd mm3,[ebp+24] ; b rgb ; r g b r g b r g b r g b r g b r g ... ; 0 4 8 12 16 ; ; int is 0: r b g r ; 4: g r b g ; 8: b g r b .loop: movd mm0,[eax] psubusb mm0,mm1 movd [eax],mm0 add eax,4 movd mm0,[eax] psubusb mm0,mm2 movd [eax],mm0 add eax,4 movd mm0,[eax] psubusb mm0,mm3 movd [eax],mm0 add eax,4 loopnz .loop,ecx emms leave ret ; Add a RGB-value value to an image ; ; void image_add_buffer_mmx_x86asm( char *source, int npixels, ; int rgbr, int gbrg, int brgb ) ; ; eax address ebp+8 ; mm0 sourcedata [eax] ; ecx numpixels ebp+12 ; mm1 mult1 <rgbr> ebp+16 ; mm2 mult2 <gbrg> ebp+20 ; mm3 mult3 <brgb> ebp+24 ; mm4 null image_add_buffer_mmx_x86asm: enter 0,0 mov eax, [ebp+8] mov ecx, [ebp+12] movd mm1,[ebp+16] ; rgb r movd mm2,[ebp+20] ; gb rg movd mm3,[ebp+24] ; b rgb ; r g b r g b r g b r g b r g b r g ... ; 0 4 8 12 16 ; ; int is 0: r b g r ; 4: g r b g ; 8: b g r b .loop: movd mm0,[eax] paddusb mm0,mm1 movd [eax],mm0 add eax,4 movd mm0,[eax] paddusb mm0,mm2 movd [eax],mm0 add eax,4 movd mm0,[eax] paddusb mm0,mm3 movd [eax],mm0 add eax,4 loopnz .loop,ecx emms leave ret ; Multiply an image with a fixed rgb value ; ; void image_mult_buffer_mmx_x86asm( char *source, int npixels, ; int rgbr, int gbrg, int brgb ) ; ; eax address ebp+8 ; mm0 sourcedata [eax] ; ecx numpixels ebp+12 ; mm1 mult1 <rgbr> ebp+16 ; mm2 mult2 <gbrg> ebp+20 ; mm3 mult3 <brgb> ebp+24 ; mm4 null image_mult_buffer_mmx_x86asm: enter 0,0 mov eax, [ebp+8] mov ecx, [ebp+12] pxor mm4,mm4 movd mm1,[ebp+16] ; rgb r punpcklbw mm1, mm4 movd mm2,[ebp+20] ; gb rg punpcklbw mm2, mm4 movd mm3,[ebp+24] ; b rgb punpcklbw mm3, mm4 ; r g b r g b r g b r g b r g b r g ... ; 0 4 8 12 16 ; ; int is 0: r b g r ; 4: g r b g ; 8: b g r b .loop: movd mm0,[eax] punpcklbw mm0,mm4 pmullw mm0,mm1 psrlw mm0,8 packuswb mm0,mm0 movd [eax],mm0 add eax,4 movd mm0,[eax] punpcklbw mm0,mm4 pmullw mm0,mm2 psrlw mm0,8 packuswb mm0,mm0 movd [eax],mm0 add eax,4 movd mm0,[eax] punpcklbw mm0,mm4 pmullw mm0,mm3 psrlw mm0,8 packuswb mm0,mm0 movd [eax],mm0 add eax,4 loopnz .loop,ecx emms leave ret

pike.git/ src/ modules/ Image/ assembly.s > 02d646e302f8c356991dc12ae3ff5148ceed50e2 [Annotate]