Rev 1245 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 1245 | Rev 1776 | ||
|---|---|---|---|
| Line 20... | Line 20... | ||
| 20 | .x2 equ word[ebp-6] |
20 | .x2 equ word[ebp-6] |
| 21 | .y2 equ word[ebp-8] |
21 | .y2 equ word[ebp-8] |
| 22 | .x3 equ word[ebp-10] |
22 | .x3 equ word[ebp-10] |
| 23 | .y3 equ word[ebp-12] |
23 | .y3 equ word[ebp-12] |
| Line 24... | Line 24... | ||
| 24 | 24 | ||
| 25 | .dc12r equ dword[ebp-16] |
25 | .dx12 equ dword[ebp-16] |
| 26 | .dc12g equ dword[ebp-20] |
26 | .dc12r equ dword[ebp-20] |
| 27 | .dc12b equ dword[ebp-24] |
27 | .dc12g equ [ebp-24] |
| 28 | .dc13r equ dword[ebp-28] |
28 | .dc12b equ dword[ebp-28] |
| 29 | .dc13g equ dword[ebp-32] |
29 | .dx13 equ dword[ebp-32] |
| 30 | .dc13b equ dword[ebp-36] |
30 | .dc13r equ dword[ebp-36] |
| 31 | .dc23r equ dword[ebp-40] |
31 | .dc13g equ [ebp-40] |
| 32 | .dc23g equ dword[ebp-44] |
32 | .dc13b equ dword[ebp-44] |
| 33 | .dc23b equ dword[ebp-48] |
- | |
| 34 | 33 | .dx23 equ dword[ebp-48] |
|
| 35 | .c1r equ dword[ebp-52] |
34 | .dc23r equ dword[ebp-52] |
| 36 | .c1g equ dword[ebp-56] |
35 | .dc23g equ [ebp-56] |
| - | 36 | .dc23b equ dword[ebp-60] |
|
| 37 | .c1b equ dword[ebp-60] |
37 | |
| 38 | .c2r equ dword[ebp-64] |
38 | .c1r equ dword[ebp-64] |
| 39 | .c2g equ dword[ebp-68] |
39 | .c1g equ [ebp-68] |
| 40 | .c2b equ dword[ebp-72] |
- | |
| 41 | 40 | .c1b equ dword[ebp-72] |
|
| 42 | .dx12 equ dword[ebp-76] |
41 | .c2r equ dword[ebp-76] |
| 43 | .dx13 equ dword[ebp-80] |
42 | .c2g equ [ebp-80] |
| 44 | .dx23 equ dword[ebp-84] |
- | |
| Line 45... | Line 43... | ||
| 45 | 43 | .c2b equ dword[ebp-84] |
|
| 46 | 44 | ||
| Line 71... | Line 69... | ||
| 71 | jmp .sort3 |
69 | jmp .sort3 |
| 72 | .sort2: |
70 | .sort2: |
| 73 | push eax ;store triangle coordinates in user friendly variables |
71 | push eax ;store triangle coordinates in user friendly variables |
| 74 | push ebx |
72 | push ebx |
| 75 | push ecx |
73 | push ecx |
| 76 | sub esp,72 ; set correctly value of esp |
74 | ; sub esp,72 ; set correctly value of esp |
| Line 77... | Line 75... | ||
| 77 | 75 | ||
| 78 | mov edx,eax ; check only X triangle coordinate |
76 | mov edx,eax ; check only X triangle coordinate |
| 79 | or edx,ebx |
77 | or edx,ebx |
| 80 | or edx,ecx |
78 | or edx,ecx |
| Line 92... | Line 90... | ||
| 92 | 90 | ||
| 93 | 91 | ||
| 94 | mov bx,.y2 ; calc deltas |
92 | mov bx,.y2 ; calc deltas |
| - | 93 | sub bx,.y1 |
|
| - | 94 | jnz .gt_dx12_make |
|
| - | 95 | xor edx,edx |
|
| - | 96 | mov ecx,4 |
|
| - | 97 | @@: |
|
| 95 | sub bx,.y1 |
98 | push edx |
| 96 | jnz .gt_dx12_make |
99 | loop @b |
| 97 | mov .dx12,0 |
100 | ; mov .dx12,0 |
| 98 | mov .dc12r,0 |
101 | ; mov .dc12r,0 |
| 99 | mov .dc12g,0 |
102 | ; mov .dc12g,0 |
| 100 | mov .dc12b,0 |
103 | ; mov .dc12b,0 |
| Line 101... | Line 104... | ||
| 101 | jmp .gt_dx12_done |
104 | jmp .gt_dx12_done |
| 102 | .gt_dx12_make: |
105 | .gt_dx12_make: |
| 103 | 106 | ||
| 104 | mov ax,.x2 |
107 | mov ax,.x2 |
| 105 | sub ax,.x1 |
108 | sub ax,.x1 |
| 106 | cwde |
109 | cwde |
| 107 | movsx ebx,bx |
110 | movsx ebx,bx |
| 108 | shl eax,ROUND |
111 | shl eax,ROUND |
| - | 112 | cdq |
|
| Line 109... | Line 113... | ||
| 109 | cdq |
113 | idiv ebx |
| 110 | idiv ebx |
114 | ; mov .dx12,eax |
| 111 | mov .dx12,eax |
115 | push eax |
| 112 | 116 | ||
| 113 | mov ax,word[.col2r] |
117 | mov ax,word[.col2r] |
| 114 | sub ax,word[.col1r] |
118 | sub ax,word[.col1r] |
| 115 | cwde |
119 | cwde |
| - | 120 | shl eax,ROUND |
|
| - | 121 | cdq |
|
| 116 | shl eax,ROUND |
122 | idiv ebx |
| 117 | cdq |
123 | ; mov .dc12r,eax |
| 118 | idiv ebx |
124 | push eax |
| 119 | mov .dc12r,eax |
125 | |
| 120 | mov ax,word[.col2g] |
126 | mov ax,word[.col2g] |
| 121 | sub ax,word[.col1g] |
127 | sub ax,word[.col1g] |
| 122 | cwde |
128 | cwde |
| - | 129 | shl eax,ROUND |
|
| - | 130 | cdq |
|
| 123 | shl eax,ROUND |
131 | idiv ebx |
| 124 | cdq |
132 | ; mov .dc12g,eax |
| 125 | idiv ebx |
133 | push eax |
| 126 | mov .dc12g,eax |
134 | |
| 127 | mov ax,word[.col2b] |
135 | mov ax,word[.col2b] |
| 128 | sub ax,word[.col1b] |
136 | sub ax,word[.col1b] |
| 129 | cwde |
137 | cwde |
| - | 138 | shl eax,ROUND |
|
| 130 | shl eax,ROUND |
139 | cdq |
| 131 | cdq |
- | |
| 132 | idiv ebx |
140 | idiv ebx |
| 133 | mov .dc12b,eax |
141 | ; mov .dc12b,eax |
| 134 | .gt_dx12_done: |
142 | push eax |
| - | 143 | .gt_dx12_done: |
|
| - | 144 | mov bx,.y3 |
|
| - | 145 | sub bx,.y1 |
|
| - | 146 | jnz .gt_dx13_make |
|
| - | 147 | xor edx,edx |
|
| 135 | 148 | mov ecx,4 |
|
| 136 | mov bx,.y3 |
149 | @@: |
| 137 | sub bx,.y1 |
150 | push edx |
| 138 | jnz .gt_dx13_make |
151 | loop @b |
| 139 | mov .dx13,0 |
152 | ; mov .dx13,0 |
| 140 | mov .dc13r,0 |
153 | ; mov .dc13r,0 |
| 141 | mov .dc13g,0 |
154 | ; mov .dc13g,0 |
| 142 | mov .dc13b,0 |
155 | ; mov .dc13b,0 |
| 143 | jmp .gt_dx13_done |
156 | jmp .gt_dx13_done |
| 144 | .gt_dx13_make: |
157 | .gt_dx13_make: |
| 145 | mov ax,.x3 |
158 | mov ax,.x3 |
| 146 | sub ax,.x1 |
159 | sub ax,.x1 |
| 147 | cwde |
160 | cwde |
| 148 | movsx ebx,bx |
161 | movsx ebx,bx |
| - | 162 | shl eax,ROUND |
|
| Line 149... | Line 163... | ||
| 149 | shl eax,ROUND |
163 | cdq |
| 150 | cdq |
164 | idiv ebx |
| 151 | idiv ebx |
165 | ; mov .dx13,eax |
| 152 | mov .dx13,eax |
166 | push eax |
| 153 | 167 | ||
| 154 | mov ax,word[.col3r] |
168 | mov ax,word[.col3r] |
| 155 | sub ax,word[.col1r] |
169 | sub ax,word[.col1r] |
| - | 170 | cwde |
|
| - | 171 | shl eax,ROUND |
|
| 156 | cwde |
172 | cdq |
| 157 | shl eax,ROUND |
173 | idiv ebx |
| 158 | cdq |
174 | ; mov .dc13r,eax |
| 159 | idiv ebx |
175 | push eax |
| 160 | mov .dc13r,eax |
176 | |
| 161 | mov ax,word[.col3g] |
177 | mov ax,word[.col3g] |
| 162 | sub ax,word[.col1g] |
178 | sub ax,word[.col1g] |
| - | 179 | cwde |
|
| 163 | cwde |
180 | shl eax,ROUND |
| 164 | shl eax,ROUND |
181 | cdq |
| 165 | cdq |
182 | idiv ebx |
| 166 | idiv ebx |
183 | ; mov .dc13g,eax |
| 167 | mov .dc13g,eax |
184 | push eax |
| 168 | mov ax,word[.col3b] |
185 | mov ax,word[.col3b] |
| 169 | sub ax,word[.col1b] |
186 | sub ax,word[.col1b] |
| - | 187 | cwde |
|
| 170 | cwde |
188 | shl eax,ROUND |
| 171 | shl eax,ROUND |
- | |
| 172 | cdq |
189 | cdq |
| 173 | idiv ebx |
190 | idiv ebx |
| 174 | mov .dc13b,eax |
191 | ; mov .dc13b,eax |
| - | 192 | push eax |
|
| - | 193 | .gt_dx13_done: |
|
| - | 194 | mov bx,.y3 |
|
| - | 195 | sub bx,.y2 |
|
| - | 196 | jnz .gt_dx23_make |
|
| 175 | .gt_dx13_done: |
197 | xor edx,edx |
| 176 | 198 | mov ecx,4 |
|
| 177 | mov bx,.y3 |
199 | @@: |
| 178 | sub bx,.y2 |
200 | push edx |
| 179 | jnz .gt_dx23_make |
201 | loop @b |
| 180 | mov .dx23,0 |
202 | ; mov .dx23,0 |
| 181 | mov .dc23r,0 |
203 | ; mov .dc23r,0 |
| 182 | mov .dc23g,0 |
204 | ; mov .dc23g,0 |
| 183 | mov .dc23b,0 |
205 | ; mov .dc23b,0 |
| 184 | jmp .gt_dx23_done |
206 | jmp .gt_dx23_done |
| 185 | .gt_dx23_make: |
207 | .gt_dx23_make: |
| 186 | mov ax,.x3 |
208 | mov ax,.x3 |
| 187 | sub ax,.x2 |
209 | sub ax,.x2 |
| 188 | cwde |
210 | cwde |
| - | 211 | movsx ebx,bx |
|
| Line 189... | Line 212... | ||
| 189 | movsx ebx,bx |
212 | shl eax,ROUND |
| 190 | shl eax,ROUND |
213 | cdq |
| 191 | cdq |
214 | idiv ebx |
| 192 | idiv ebx |
215 | ; mov .dx23,eax |
| 193 | mov .dx23,eax |
216 | push eax |
| 194 | 217 | ||
| 195 | mov ax,word[.col3r] |
218 | mov ax,word[.col3r] |
| - | 219 | sub ax,word[.col2r] |
|
| - | 220 | cwde |
|
| - | 221 | shl eax,ROUND |
|
| 196 | sub ax,word[.col2r] |
222 | cdq |
| 197 | cwde |
223 | idiv ebx |
| 198 | shl eax,ROUND |
224 | ; mov .dc23r,eax |
| 199 | cdq |
225 | push eax |
| 200 | idiv ebx |
226 | |
| 201 | mov .dc23r,eax |
227 | |
| 202 | mov ax,word[.col3g] |
228 | mov ax,word[.col3g] |
| - | 229 | sub ax,word[.col2g] |
|
| - | 230 | cwde |
|
| 203 | sub ax,word[.col2g] |
231 | shl eax,ROUND |
| 204 | cwde |
232 | cdq |
| 205 | shl eax,ROUND |
233 | idiv ebx |
| 206 | cdq |
234 | ; mov .dc23g,eax |
| 207 | idiv ebx |
235 | push eax |
| 208 | mov .dc23g,eax |
236 | |
| 209 | mov ax,word[.col3b] |
237 | mov ax,word[.col3b] |
| 210 | sub ax,word[.col2b] |
238 | sub ax,word[.col2b] |
| Line -... | Line 239... | ||
| - | 239 | cwde |
|
| - | 240 | shl eax,ROUND |
|
| 211 | cwde |
241 | cdq |
| 212 | shl eax,ROUND |
242 | idiv ebx |
| 213 | cdq |
243 | ; mov .dc23b,eax |
| 214 | idiv ebx |
244 | push eax |
| 215 | mov .dc23b,eax |
245 | |
| Line 238... | Line 268... | ||
| 238 | push ebx ; ebx - cur x2 |
268 | push ebx ; ebx - cur x2 |
| 239 | push cx ; cx - cur y |
269 | push cx ; cx - cur y |
| 240 | push edi |
270 | push edi |
| 241 | push ebp |
271 | push ebp |
| Line -... | Line 272... | ||
| - | 272 | ||
| - | 273 | sar ebx,ROUND |
|
| 242 | 274 | push bx |
|
| 243 | mov edx,.c2r ; c2r,c2g,c2b,c1r,c1g,c1b - current colors |
275 | mov edx,.c2r ; c2r,c2g,c2b,c1r,c1g,c1b - current colors |
| 244 | sar edx,ROUND |
276 | sar edx,ROUND |
| 245 | push dx |
277 | push dx |
| 246 | mov edx,.c2g |
278 | mov edx,.c2g |
| 247 | sar edx,ROUND |
279 | sar edx,ROUND |
| 248 | push dx |
280 | push dx |
| 249 | mov edx,.c2b |
281 | mov edx,.c2b |
| 250 | sar edx,ROUND |
282 | sar edx,ROUND |
| - | 283 | push dx |
|
| - | 284 | ||
| - | 285 | sar eax,ROUND |
|
| 251 | push dx |
286 | push ax |
| 252 | mov edx,.c1r |
287 | mov edx,.c1r |
| 253 | sar edx,ROUND |
288 | sar edx,ROUND |
| 254 | push dx |
289 | push dx |
| 255 | mov edx,.c1g |
290 | mov edx,.c1g |
| 256 | sar edx,ROUND |
291 | sar edx,ROUND |
| 257 | push dx |
292 | push dx |
| 258 | mov edx,.c1b |
293 | mov edx,.c1b |
| 259 | sar edx,ROUND |
294 | sar edx,ROUND |
| 260 | push dx |
295 | push dx |
| 261 | push cx |
- | |
| 262 | sar ebx,ROUND |
- | |
| 263 | push bx |
- | |
| 264 | sar eax,ROUND |
- | |
| 265 | push ax |
296 | push cx |
| Line 266... | Line 297... | ||
| 266 | call gouraud_line |
297 | call gouraud_line |
| 267 | 298 | ||
| 268 | pop ebp |
299 | pop ebp |
| 269 | pop edi |
300 | pop edi |
| 270 | pop cx |
301 | pop cx |
| Line -... | Line 302... | ||
| - | 302 | pop ebx |
|
| - | 303 | pop eax |
|
| - | 304 | ||
| - | 305 | if Ext >= MMX |
|
| - | 306 | movq mm0,.c1g |
|
| 271 | pop ebx |
307 | paddd mm0,.dc13g |
| 272 | pop eax |
308 | movq .c1g,mm0 |
| 273 | 309 | else |
|
| 274 | mov edx,.dc13r |
310 | mov edx,.dc13r |
| - | 311 | add .c1r,edx |
|
| 275 | add .c1r,edx |
312 | mov edx,.dc13g |
| 276 | mov edx,.dc13g |
313 | add .c1g,edx |
| - | 314 | end if |
|
| - | 315 | mov edx,.dc13b |
|
| - | 316 | add .c1b,edx |
|
| - | 317 | if Ext >= MMX |
|
| - | 318 | movq mm0,.c2g |
|
| 277 | add .c1g,edx |
319 | paddd mm0,.dc12g |
| 278 | mov edx,.dc13b |
320 | movq .c2g,mm0 |
| 279 | add .c1b,edx |
321 | else |
| 280 | mov edx,.dc12r |
322 | mov edx,.dc12r |
| - | 323 | add .c2r,edx |
|
| 281 | add .c2r,edx |
324 | mov edx,.dc12g |
| 282 | mov edx,.dc12g |
325 | add .c2g,edx |
| Line 283... | Line 326... | ||
| 283 | add .c2g,edx |
326 | end if |
| 284 | mov edx,.dc12b |
327 | mov edx,.dc12b |
| Line 311... | Line 354... | ||
| 311 | push ebx ; ebx - cur x2 |
354 | push ebx ; ebx - cur x2 |
| 312 | push cx |
355 | push cx |
| 313 | push edi |
356 | push edi |
| 314 | push ebp |
357 | push ebp |
| Line -... | Line 358... | ||
| - | 358 | ||
| - | 359 | sar ebx,ROUND |
|
| 315 | 360 | push bx |
|
| 316 | mov edx,.c2r |
361 | mov edx,.c2r |
| 317 | sar edx,ROUND |
362 | sar edx,ROUND |
| 318 | push dx |
363 | push dx |
| 319 | mov edx,.c2g |
364 | mov edx,.c2g |
| 320 | sar edx,ROUND |
365 | sar edx,ROUND |
| 321 | push dx |
366 | push dx |
| 322 | mov edx,.c2b |
367 | mov edx,.c2b |
| 323 | sar edx,ROUND |
368 | sar edx,ROUND |
| - | 369 | push dx |
|
| - | 370 | ||
| - | 371 | sar eax,ROUND |
|
| 324 | push dx |
372 | push ax |
| 325 | mov edx,.c1r |
373 | mov edx,.c1r |
| 326 | sar edx,ROUND |
374 | sar edx,ROUND |
| 327 | push dx |
375 | push dx |
| 328 | mov edx,.c1g |
376 | mov edx,.c1g |
| 329 | sar edx,ROUND |
377 | sar edx,ROUND |
| 330 | push dx |
378 | push dx |
| 331 | mov edx,.c1b |
379 | mov edx,.c1b |
| 332 | sar edx,ROUND |
380 | sar edx,ROUND |
| 333 | push dx |
381 | push dx |
| 334 | push cx |
- | |
| 335 | sar ebx,ROUND |
- | |
| 336 | push bx |
- | |
| 337 | sar eax,ROUND |
- | |
| 338 | push ax |
382 | push cx |
| Line 339... | Line 383... | ||
| 339 | call gouraud_line |
383 | call gouraud_line |
| 340 | 384 | ||
| 341 | pop ebp |
385 | pop ebp |
| 342 | pop edi |
386 | pop edi |
| 343 | pop cx |
387 | pop cx |
| Line -... | Line 388... | ||
| - | 388 | pop ebx |
|
| - | 389 | pop eax |
|
| - | 390 | ||
| - | 391 | if Ext >= MMX |
|
| - | 392 | movq mm0,.c1g |
|
| 344 | pop ebx |
393 | paddd mm0,.dc13g |
| 345 | pop eax |
394 | movq .c1g,mm0 |
| 346 | 395 | else |
|
| 347 | mov edx,.dc13r |
396 | mov edx,.dc13r |
| - | 397 | add .c1r,edx |
|
| 348 | add .c1r,edx |
398 | mov edx,.dc13g |
| 349 | mov edx,.dc13g |
399 | add .c1g,edx |
| - | 400 | end if |
|
| - | 401 | mov edx,.dc13b |
|
| - | 402 | add .c1b,edx |
|
| - | 403 | if Ext >= MMX |
|
| - | 404 | movq mm0,.c2g |
|
| 350 | add .c1g,edx |
405 | paddd mm0,.dc23g |
| 351 | mov edx,.dc13b |
406 | movq .c2g,mm0 |
| 352 | add .c1b,edx |
407 | else |
| 353 | mov edx,.dc23r |
408 | mov edx,.dc23r |
| - | 409 | add .c2r,edx |
|
| 354 | add .c2r,edx |
410 | mov edx,.dc23g |
| 355 | mov edx,.dc23g |
411 | add .c2g,edx |
| Line 356... | Line 412... | ||
| 356 | add .c2g,edx |
412 | end if |
| 357 | mov edx,.dc23b |
413 | mov edx,.dc23b |
| Line 368... | Line 424... | ||
| 368 | mov esp,ebp |
424 | mov esp,ebp |
| 369 | ret 18 |
425 | ret 18 |
| 370 | gouraud_line: |
426 | gouraud_line: |
| 371 | ;-------------in - edi - pointer to screen buffer |
427 | ;-------------in - edi - pointer to screen buffer |
| 372 | ;----------------- stack - another parameters |
428 | ;----------------- stack - another parameters |
| 373 | .x1 equ word [ebp+4] |
429 | .y equ word [ebp+4] |
| - | 430 | .col1b equ ebp+6 |
|
| - | 431 | .col1g equ ebp+8 |
|
| - | 432 | .col1r equ ebp+10 |
|
| - | 433 | .x1 equ [ebp+12] |
|
| - | 434 | .col2b equ ebp+14 |
|
| - | 435 | .col2g equ ebp+16 |
|
| - | 436 | .col2r equ ebp+18 |
|
| - | 437 | .x2 equ [ebp+20] |
|
| - | 438 | .dc_r equ dword[ebp-4] |
|
| 374 | .x2 equ word [ebp+6] |
439 | .dc_g equ dword[ebp-8] |
| - | 440 | .dc_b equ dword[ebp-12] |
|
| - | 441 | mov ebp,esp |
|
| - | 442 | ||
| - | 443 | mov ax,.y |
|
| - | 444 | or ax,ax |
|
| - | 445 | jl .gl_quit |
|
| - | 446 | cmp ax,SIZE_Y-1 |
|
| - | 447 | jg .gl_quit |
|
| - | 448 | ||
| - | 449 | mov ax,.x1 |
|
| - | 450 | cmp ax,.x2 |
|
| - | 451 | je .gl_quit |
|
| - | 452 | jl .gl_ok |
|
| - | 453 | ||
| - | 454 | if Ext >= MMX |
|
| - | 455 | movq mm0,[.col1b] |
|
| - | 456 | movq mm1,[.col2b] |
|
| - | 457 | movq [.col1b],mm1 |
|
| - | 458 | movq [.col2b],mm0 |
|
| - | 459 | else |
|
| - | 460 | mov eax,[.col1b] |
|
| - | 461 | xchg eax,[.col2b] |
|
| - | 462 | mov [.col1b],eax |
|
| - | 463 | mov eax,[.col1r] |
|
| - | 464 | xchg eax,[.col2r] |
|
| - | 465 | mov [.col1r],eax |
|
| - | 466 | end if |
|
| - | 467 | .gl_ok: |
|
| - | 468 | ; cmp .x1,SIZE_X-1 ;check |
|
| - | 469 | ; jg .gl_quit |
|
| - | 470 | ; cmp .x2,SIZE_X-1 |
|
| - | 471 | ; jl @f |
|
| - | 472 | ; mov .x2,SIZE_X-1 |
|
| - | 473 | ; @@: |
|
| - | 474 | ; cmp .x1,0 |
|
| - | 475 | ; jg @f |
|
| - | 476 | ; mov .x1,0 |
|
| - | 477 | ; @@: |
|
| - | 478 | ; cmp .x2,0 |
|
| - | 479 | ; jl .gl_quit |
|
| - | 480 | ||
| - | 481 | movsx ecx,.y |
|
| - | 482 | mov eax,SIZE_X*3 |
|
| - | 483 | mul ecx |
|
| - | 484 | movsx ebx,word .x1 |
|
| - | 485 | lea ecx,[ebx*2+eax] |
|
| - | 486 | add edi,ecx |
|
| - | 487 | add edi,ebx |
|
| - | 488 | ||
| - | 489 | mov ax,word[.col2r] |
|
| - | 490 | sub ax,word[.col1r] |
|
| - | 491 | cwde |
|
| - | 492 | shl eax,ROUND |
|
| - | 493 | cdq |
|
| - | 494 | mov cx,.x2 |
|
| - | 495 | sub cx,.x1 |
|
| - | 496 | movsx ecx,cx |
|
| - | 497 | idiv ecx |
|
| - | 498 | ;mov .dc_r,eax ;first delta |
|
| - | 499 | push eax |
|
| - | 500 | ||
| - | 501 | mov ax,word[.col2g] |
|
| - | 502 | sub ax,word[.col1g] |
|
| - | 503 | cwde |
|
| - | 504 | shl eax,ROUND |
|
| - | 505 | cdq |
|
| - | 506 | idiv ecx |
|
| - | 507 | ;mov .dc_g,eax |
|
| - | 508 | push eax |
|
| - | 509 | ||
| - | 510 | mov ax,word[.col2b] |
|
| - | 511 | sub ax,word[.col1b] |
|
| - | 512 | cwde |
|
| - | 513 | shl eax,ROUND |
|
| - | 514 | cdq |
|
| - | 515 | idiv ecx |
|
| - | 516 | ; mov .dc_b,eax |
|
| - | 517 | push eax |
|
| - | 518 | ||
| - | 519 | movsx ebx,word[.col1r] |
|
| - | 520 | shl ebx,ROUND |
|
| - | 521 | movsx edx,word[.col1g] |
|
| - | 522 | shl edx,ROUND |
|
| - | 523 | movsx esi,word[.col1b] |
|
| - | 524 | shl esi,ROUND |
|
| - | 525 | .gl_draw: |
|
| - | 526 | mov eax,ebx |
|
| - | 527 | sar eax,ROUND |
|
| - | 528 | stosb |
|
| - | 529 | mov eax,edx |
|
| - | 530 | sar eax,ROUND |
|
| - | 531 | stosb |
|
| - | 532 | mov eax,esi |
|
| - | 533 | sar eax,ROUND |
|
| - | 534 | stosb |
|
| - | 535 | add ebx,.dc_r |
|
| - | 536 | add edx,.dc_g |
|
| - | 537 | add esi,.dc_b |
|
| - | 538 | loop .gl_draw |
|
| - | 539 | .gl_quit: |
|
| - | 540 | ; add esp,12 |
|
| - | 541 | mov esp,ebp |
|
| - | 542 | ret 18 |
|
| - | 543 | if 0 |
|
| - | 544 | gouraud_line_SSE: ; new |
|
| - | 545 | ;-------------in - edi - pointer to screen buffer |
|
| - | 546 | ;----------------- stack - another parameters |
|
| 375 | .y equ word [ebp+8] |
547 | .y equ word [ebp+4] |
| 376 | .col1b equ ebp+10 |
548 | .col1b equ ebp+6 |
| 377 | .col1g equ ebp+12 |
549 | .col1g equ ebp+8 |
| 378 | .col1r equ ebp+14 |
550 | .col1r equ ebp+10 |
| - | 551 | .x1 equ [ebp+12] |
|
| 379 | .col2b equ ebp+16 |
552 | .col2b equ ebp+14 |
| 380 | .col2g equ ebp+18 |
553 | .col2g equ ebp+16 |
| 381 | .col2r equ ebp+20 |
554 | .col2r equ ebp+18 |
| - | 555 | .x2 equ [ebp+20] |
|
| 382 | .dc_r equ dword[ebp-4] |
556 | .dc_r equ dword[ebp-4] |
| 383 | .dc_g equ dword[ebp-8] |
557 | .dc_g equ dword[ebp-8] |
| 384 | .dc_b equ dword[ebp-12] |
558 | .dc_b equ dword[ebp-12] |
| - | 559 | .lenght equ [ebp-16] |
|
| - | 560 | .factor equ [ebp-24] ;new |
|
| 385 | mov ebp,esp |
561 | mov ebp,esp |
| Line 386... | Line 562... | ||
| 386 | 562 | ||
| 387 | mov ax,.y |
563 | mov ax,.y |
| 388 | or ax,ax |
564 | or ax,ax |
| Line 393... | Line 569... | ||
| 393 | mov ax,.x1 |
569 | mov ax,.x1 |
| 394 | cmp ax,.x2 |
570 | cmp ax,.x2 |
| 395 | je .gl_quit |
571 | je .gl_quit |
| 396 | jl .gl_ok |
572 | jl .gl_ok |
| Line -... | Line 573... | ||
| - | 573 | ||
| - | 574 | if Ext >= MMX |
|
| 397 | 575 | movq mm0,[.col1b] |
|
| 398 | xchg ax,.x2 |
576 | movq mm1,[.col2b] |
| - | 577 | movq [.col1b],mm1 |
|
| - | 578 | movq [.col2b],mm0 |
|
| 399 | mov .x1,ax |
579 | else |
| 400 | mov eax,dword[.col1b] |
580 | mov eax,[.col1b] |
| 401 | xchg eax,dword[.col2b] |
581 | xchg eax,[.col2b] |
| 402 | mov dword[.col1b],eax |
582 | mov [.col1b],eax |
| 403 | mov ax,word[.col1r] |
583 | mov eax,[.col1r] |
| 404 | xchg ax,word[.col2r] |
584 | xchg eax,[.col2r] |
| - | 585 | mov [.col1r],eax |
|
| 405 | mov word[.col1r],ax |
586 | end if |
| 406 | .gl_ok: |
587 | .gl_ok: |
| 407 | ; cmp .x1,SIZE_X-1 ;check |
588 | ; cmp .x1,SIZE_X-1 ;check |
| 408 | ; jg .gl_quit |
589 | ; jg .gl_quit |
| 409 | ; cmp .x2,SIZE_X-1 |
590 | ; cmp .x2,SIZE_X-1 |
| Line 418... | Line 599... | ||
| 418 | ; jl .gl_quit |
599 | ; jl .gl_quit |
| Line 419... | Line 600... | ||
| 419 | 600 | ||
| 420 | movsx ecx,.y |
601 | movsx ecx,.y |
| 421 | mov eax,SIZE_X*3 |
602 | mov eax,SIZE_X*3 |
| 422 | mul ecx |
603 | mul ecx |
| 423 | movsx ebx,.x1 |
604 | movsx ebx,word .x1 |
| 424 | lea ecx,[ebx*2+eax] |
605 | lea ecx,[ebx*2+eax] |
| 425 | add edi,ecx |
606 | add edi,ecx |
| Line 426... | Line 607... | ||
| 426 | add edi,ebx |
607 | add edi,ebx |
| Line 459... | Line 640... | ||
| 459 | shl ebx,ROUND |
640 | shl ebx,ROUND |
| 460 | movsx edx,word[.col1g] |
641 | movsx edx,word[.col1g] |
| 461 | shl edx,ROUND |
642 | shl edx,ROUND |
| 462 | movsx esi,word[.col1b] |
643 | movsx esi,word[.col1b] |
| 463 | shl esi,ROUND |
644 | shl esi,ROUND |
| - | 645 | ||
| - | 646 | push ecx ; store line lenght |
|
| - | 647 | movd mm3,.dc_r |
|
| - | 648 | psrlq mm3,16 ; load dr to lowest word of mm3 |
|
| - | 649 | pxor mm2,mm2 ; clear mm2 |
|
| - | 650 | movd mm4,.dc_g |
|
| - | 651 | punpcklwd mm3,mm3 ; unpack dr to lower 2 words in in mm3 |
|
| - | 652 | psrlq mm4,16 ; load dg to lowest word of mm4 |
|
| - | 653 | movd mm5,.dc_b |
|
| - | 654 | psrlq mm5,16 ; load db to lowest word of mm5 |
|
| - | 655 | punpcklwd mm4,mm4 ; unpack dg to lower 2 words in in mm3 |
|
| - | 656 | lea ecx,[factor] |
|
| - | 657 | punpckldq mm3,mm3 |
|
| - | 658 | punpcklwd mm5,mm5 ; unpack db to lower 2 words in in mm5 |
|
| - | 659 | movq mm6,[.col1b] |
|
| - | 660 | xor eax,eax |
|
| - | 661 | pinsrw mm6,eax,3 ; clear the highest word in mm6 |
|
| - | 662 | mov eax,010000h |
|
| - | 663 | punpckldq mm4,mm4 ; unpack dg to 4 words in mm4 |
|
| - | 664 | mov [ecx],eax |
|
| - | 665 | mov eax,030002h |
|
| - | 666 | punpckldq mm5,mm5 ; unpack db to 4 words in mm5 |
|
| - | 667 | movq mm7,mm6 ; load r1r1,g1g1,b1b1 to the first three |
|
| - | 668 | ; words of mm7 |
|
| - | 669 | pxor mm1,mm1 ; clear mm1 |
|
| - | 670 | ||
| - | 671 | ||
| 464 | .gl_draw: |
672 | .gl_draw: |
| 465 | mov eax,ebx |
673 | mov eax,ebx |
| 466 | sar eax,ROUND |
674 | sar eax,ROUND |
| 467 | stosb |
675 | stosb |
| 468 | mov eax,edx |
676 | mov eax,edx |
| Line 476... | Line 684... | ||
| 476 | add esi,.dc_b |
684 | add esi,.dc_b |
| 477 | loop .gl_draw |
685 | loop .gl_draw |
| 478 | .gl_quit: |
686 | .gl_quit: |
| 479 | ; add esp,12 |
687 | ; add esp,12 |
| 480 | mov esp,ebp |
688 | mov esp,ebp |
| 481 | ret 18 |
- | |
| 482 | 689 | ret 18 |
|
| - | 690 | end if |
|
| - | 691 | ||