Rev 205 | Rev 314 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1 | ha | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
||
3 | ;; VESA20.INC ;; |
||
4 | ;; ;; |
||
5 | ;; Vesa 2.0 functions for MenuetOS ;; |
||
6 | ;; ;; |
||
7 | ;; Copyright 2002 Ville Turjanmaa ;; |
||
8 | ;; Alexey, kgaz@crosswindws.net ;; |
||
9 | ;; - Voodoo compatible graphics ;; |
||
10 | ;; Juan M. Caravaca ;; |
||
11 | ;; - Graphics optimimizations eg. drawline ;; |
||
12 | ;; ;; |
||
13 | ;; See file COPYING for details ;; |
||
14 | ;; ;; |
||
15 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
16 | |||
17 | ; If you're planning to write your own video driver I suggest |
||
18 | ; you replace the VESA12.INC file and see those instructions. |
||
19 | |||
20 | ScreenWidth equ 0xfe00 |
||
21 | ScreenHeight equ 0xfe04 |
||
22 | BytesPerScanLine equ 0xfe08 |
||
23 | LFBAddress equ 0xfe80 |
||
24 | ScreenBPP equ 0xfbf1 |
||
25 | WinMapAddress equ 0x460000 |
||
26 | |||
27 | |||
28 | |||
29 | ;************************************************* |
||
30 | ; getpixel |
||
31 | ; |
||
32 | ; in: |
||
33 | ; eax = x coordinate |
||
34 | ; ebx = y coordinate |
||
35 | ; |
||
36 | ; ret: |
||
37 | ; ecx = 00 RR GG BB |
||
38 | |||
39 | getpixel: |
||
40 | push eax ebx edx edi |
||
41 | call dword [0xe024] |
||
42 | pop edi edx ebx eax |
||
43 | ret |
||
44 | |||
45 | Vesa20_getpixel24: |
||
46 | ; eax = x |
||
47 | ; ebx = y |
||
48 | imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier |
||
49 | lea edi, [eax+eax*2] ; edi = x*3 |
||
50 | add edi, ebx ; edi = x*3+(y*y multiplier) |
||
51 | add edi, [LFBAddress] ; ebx = where pixel is in memory |
||
52 | mov ecx, [edi] |
||
53 | and ecx, 0xffffff |
||
54 | ret |
||
55 | |||
56 | |||
57 | Vesa20_getpixel32: |
||
58 | imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier |
||
59 | lea edi, [ebx+eax*4] ; edi = x*4+(y*y multiplier) |
||
60 | add edi, [LFBAddress] ; ebx = where pixel is in memory |
||
61 | mov ecx, [edi] |
||
62 | and ecx, 0xffffff |
||
63 | ret |
||
64 | |||
65 | ;************************************************* |
||
66 | |||
67 | virtual at esp |
||
68 | putimg: |
||
69 | .real_sx dd ? |
||
70 | .real_sy dd ? |
||
71 | .image_sx dd ? |
||
72 | .image_sy dd ? |
||
73 | .image_cx dd ? |
||
74 | .image_cy dd ? |
||
75 | .pti dd ? |
||
76 | .abs_cx dd ? |
||
77 | .abs_cy dd ? |
||
78 | .line_increment dd ? |
||
79 | .winmap_newline dd ? |
||
80 | .screen_newline dd ? |
||
283 | diamond | 81 | .stack_data = 4*12 |
82 | .edi dd ? |
||
83 | .esi dd ? |
||
84 | .ebp dd ? |
||
1 | ha | 85 | end virtual |
86 | |||
283 | diamond | 87 | align 16 |
1 | ha | 88 | ; ebx = pointer |
89 | ; ecx = size [x|y] |
||
90 | ; edx = coordinates [x|y] |
||
283 | diamond | 91 | ; ebp = pointer to 'get' function |
92 | ; esi = pointer to 'init' function |
||
93 | ; edi = parameter for 'get' function |
||
1 | ha | 94 | vesa20_putimage: |
95 | pushad |
||
96 | call [disable_mouse] |
||
97 | |||
98 | sub esp, putimg.stack_data |
||
99 | |||
100 | ; save pointer to image |
||
101 | mov [putimg.pti], ebx |
||
102 | |||
103 | ; unpack the size |
||
104 | mov eax, ecx |
||
105 | and ecx, 0xFFFF |
||
106 | shr eax, 16 |
||
107 | mov [putimg.image_sx], eax |
||
108 | mov [putimg.image_sy], ecx |
||
109 | |||
110 | ; unpack the coordinates |
||
111 | mov eax, edx |
||
112 | and edx, 0xFFFF |
||
113 | shr eax, 16 |
||
114 | mov [putimg.image_cx], eax |
||
115 | mov [putimg.image_cy], edx |
||
116 | |||
117 | ; calculate absolute (i.e. screen) coordinates |
||
118 | mov eax, [0x3010] |
||
115 | poddubny | 119 | mov ebx, [eax-twdw + WDATA.box.left] |
1 | ha | 120 | add ebx, [putimg.image_cx] |
121 | mov [putimg.abs_cx], ebx |
||
115 | poddubny | 122 | mov ebx, [eax-twdw + WDATA.box.top] |
1 | ha | 123 | add ebx, [putimg.image_cy] |
124 | mov [putimg.abs_cy], ebx |
||
125 | |||
126 | ; real_sx = MIN(wnd_sx-image_cx, image_sx); |
||
115 | poddubny | 127 | mov ebx, [eax-twdw + WDATA.box.width] ; ebx = wnd_sx |
133 | diamond | 128 | ; \begin{diamond}[20.08.2006] |
129 | ; note that WDATA.box.width is one pixel less than real window x-size |
||
130 | inc ebx |
||
131 | ; \end{diamond}[20.08.2006] |
||
1 | ha | 132 | sub ebx, [putimg.image_cx] |
133 | ja @f |
||
134 | add esp, putimg.stack_data |
||
135 | popad |
||
136 | ret |
||
137 | @@: |
||
138 | cmp ebx, [putimg.image_sx] |
||
139 | jbe .end_x |
||
140 | mov ebx, [putimg.image_sx] |
||
141 | .end_x: |
||
142 | mov [putimg.real_sx], ebx |
||
143 | |||
144 | ; init real_sy |
||
115 | poddubny | 145 | mov ebx, [eax-twdw + WDATA.box.height] ; ebx = wnd_sy |
133 | diamond | 146 | ; \begin{diamond}[20.08.2006] |
147 | inc ebx |
||
148 | ; \end{diamond}[20.08.2006] |
||
1 | ha | 149 | sub ebx, [putimg.image_cy] |
150 | ja @f |
||
151 | add esp, putimg.stack_data |
||
152 | popad |
||
153 | ret |
||
154 | @@: |
||
155 | cmp ebx, [putimg.image_sy] |
||
156 | jbe .end_y |
||
157 | mov ebx, [putimg.image_sy] |
||
158 | .end_y: |
||
159 | mov [putimg.real_sy], ebx |
||
160 | |||
161 | ; line increment |
||
162 | mov eax, [putimg.image_sx] |
||
163 | sub eax, [putimg.real_sx] |
||
164 | ;; imul eax, [putimg.source_bpp] |
||
283 | diamond | 165 | ; lea eax, [eax + eax * 2] |
166 | call esi |
||
1 | ha | 167 | mov [putimg.line_increment], eax |
168 | |||
169 | ; winmap new line increment |
||
170 | mov eax, [ScreenWidth] |
||
171 | inc eax |
||
172 | sub eax, [putimg.real_sx] |
||
173 | mov [putimg.winmap_newline], eax |
||
174 | |||
175 | ; screen new line increment |
||
176 | mov eax, [BytesPerScanLine] |
||
177 | mov ecx, [putimg.real_sx] |
||
178 | movzx ebx, byte [ScreenBPP] |
||
179 | shr ebx, 3 |
||
180 | imul ecx, ebx |
||
181 | sub eax, ecx |
||
182 | mov [putimg.screen_newline], eax |
||
183 | |||
184 | ; pointer to image |
||
283 | diamond | 185 | mov esi, [putimg.pti] |
1 | ha | 186 | |
187 | ; pointer to screen |
||
188 | mov edx, [putimg.abs_cy] |
||
189 | imul edx, [BytesPerScanLine] |
||
190 | mov eax, [putimg.abs_cx] |
||
191 | movzx ebx, byte [ScreenBPP] |
||
192 | shr ebx, 3 |
||
193 | imul eax, ebx |
||
194 | add edx, eax |
||
195 | add edx, [LFBAddress] |
||
196 | |||
197 | ; pointer to pixel map |
||
198 | mov eax, [putimg.abs_cy] |
||
199 | imul eax, [ScreenWidth] |
||
200 | add eax, [putimg.abs_cy] |
||
201 | add eax, [putimg.abs_cx] |
||
202 | add eax, WinMapAddress |
||
203 | xchg eax, ebp |
||
204 | |||
205 | ; get process number |
||
102 | poddubny | 206 | mov ebx, [0x3000] |
1 | ha | 207 | |
208 | cmp byte [ScreenBPP], 32 |
||
209 | je put_image_end_32 |
||
210 | |||
211 | ;put_image_end_24: |
||
212 | mov edi, [putimg.real_sy] |
||
213 | align 4 |
||
214 | .new_line: |
||
283 | diamond | 215 | mov ecx, [putimg.real_sx] |
1 | ha | 216 | |
217 | ; push ebp edx |
||
218 | align 4 |
||
219 | .new_x: |
||
220 | |||
283 | diamond | 221 | push [putimg.edi] |
222 | mov eax, [putimg.ebp+4] |
||
223 | call eax |
||
1 | ha | 224 | cmp [ebp], bl |
225 | jne .skip |
||
283 | diamond | 226 | ; mov eax, [esi] ; eax = RRBBGGRR |
1 | ha | 227 | mov [edx], ax |
228 | shr eax, 16 |
||
229 | mov [edx+2], al |
||
230 | .skip: |
||
231 | |||
283 | diamond | 232 | ; add esi, 3 ;[putimg.source_bpp] |
1 | ha | 233 | add edx, 3 |
234 | inc ebp |
||
235 | |||
283 | diamond | 236 | dec ecx |
1 | ha | 237 | jnz .new_x |
238 | ; pop edx ebp |
||
239 | |||
283 | diamond | 240 | add esi, [putimg.line_increment] |
1 | ha | 241 | add edx, [putimg.screen_newline] ;[BytesPerScanLine] |
242 | add ebp, [putimg.winmap_newline] ;[ScreenWidth] |
||
243 | ;inc ebp |
||
244 | |||
245 | dec edi |
||
246 | jnz .new_line |
||
247 | .finish: |
||
248 | add esp, putimg.stack_data |
||
249 | popad |
||
250 | ret |
||
251 | |||
252 | put_image_end_32: |
||
253 | mov edi, [putimg.real_sy] |
||
254 | align 4 |
||
255 | .new_line: |
||
283 | diamond | 256 | mov ecx, [putimg.real_sx] |
1 | ha | 257 | |
258 | ; push ebp edx |
||
259 | align 4 |
||
260 | .new_x: |
||
261 | |||
283 | diamond | 262 | push [putimg.edi] |
263 | mov eax, [putimg.ebp+4] |
||
264 | call eax |
||
1 | ha | 265 | cmp [ebp], bl |
266 | jne .skip |
||
283 | diamond | 267 | ; mov eax, [esi] ; ecx = RRBBGGRR |
1 | ha | 268 | mov [edx], eax |
269 | .skip: |
||
270 | |||
283 | diamond | 271 | ; add esi, [putimg.source_bpp] |
1 | ha | 272 | add edx, 4 |
273 | inc ebp |
||
274 | |||
283 | diamond | 275 | dec ecx |
1 | ha | 276 | jnz .new_x |
277 | ; pop edx ebp |
||
278 | |||
283 | diamond | 279 | add esi, [putimg.line_increment] |
1 | ha | 280 | add edx, [putimg.screen_newline] ;[BytesPerScanLine] |
281 | add ebp, [putimg.winmap_newline] ;[ScreenWidth] |
||
282 | ;inc ebp |
||
283 | |||
284 | dec edi |
||
285 | jnz .new_line |
||
286 | .finish: |
||
287 | add esp, putimg.stack_data |
||
288 | popad |
||
117 | mario79 | 289 | call VGA__putimage |
290 | mov [EGA_counter],1 |
||
1 | ha | 291 | ret |
292 | |||
293 | |||
294 | ;************************************************* |
||
295 | align 4 |
||
296 | __sys_putpixel: |
||
297 | |||
298 | ; eax = x coordinate |
||
299 | ; ebx = y coordinate |
||
300 | ; ecx = ?? RR GG BB ; 0x01000000 negation |
||
301 | ; edi = 0x00000001 force |
||
302 | |||
303 | ;;; mov [novesachecksum], dword 0 |
||
304 | |||
305 | pushad |
||
306 | test edi,1 ; force ? |
||
307 | jnz .forced |
||
308 | ; not forced: |
||
52 | mikedld | 309 | push ecx ; save 24th bit in case negative pixel wanted |
1 | ha | 310 | call checkpixel |
311 | test ecx,ecx |
||
52 | mikedld | 312 | pop ecx |
1 | ha | 313 | jnz .exit |
314 | .forced: |
||
315 | cmp [ScreenWidth], eax |
||
316 | jb .exit |
||
317 | cmp [ScreenHeight], ebx |
||
318 | jb .exit |
||
319 | .ok: |
||
320 | ; check if negation |
||
321 | test ecx,0x01000000 |
||
322 | jz .noneg |
||
323 | call getpixel |
||
324 | not ecx |
||
325 | mov [esp+32-8],ecx |
||
326 | .noneg: |
||
327 | ; OK to set pixel |
||
328 | call dword [0xe020] ; call the real put_pixel function |
||
329 | .exit: |
||
330 | popad |
||
33 | mario79 | 331 | |
1 | ha | 332 | ret |
333 | |||
334 | align 4 |
||
335 | Vesa20_putpixel24: |
||
336 | |||
337 | ; eax = x |
||
338 | ; ebx = y |
||
339 | |||
340 | imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier |
||
341 | lea edi, [eax+eax*2] ; edi = x*3 |
||
342 | mov eax, [esp+32-8+4] |
||
343 | add edi, [LFBAddress] |
||
344 | add edi, ebx ; ebx = where to put pixel in memory |
||
345 | mov [edi], ax |
||
346 | shr eax, 16 |
||
347 | mov [edi+2], al |
||
348 | |||
349 | ret |
||
350 | |||
351 | |||
352 | align 4 |
||
353 | Vesa20_putpixel32: |
||
354 | |||
355 | ; eax = x |
||
356 | ; ebx = y |
||
357 | |||
358 | imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier |
||
359 | lea edi, [ebx+eax*4] ; edi = x*4+(y*y multiplier) |
||
360 | mov eax, [esp+32-8+4] ; eax = color |
||
361 | add edi, [LFBAddress] ; ebx = where to put pixel in memory |
||
362 | mov [edi], eax |
||
363 | |||
364 | ret |
||
365 | |||
366 | |||
367 | ;************************************************* |
||
368 | |||
369 | ;align 4 |
||
370 | calculate_edi: |
||
371 | mov edi, ebx |
||
372 | imul edi, [ScreenWidth] |
||
373 | add edi, ebx |
||
374 | add edi, eax |
||
375 | ret |
||
376 | |||
377 | ;************************************************* |
||
378 | |||
379 | ; DRAWLINE |
||
380 | |||
381 | align 4 |
||
382 | __sys_draw_line: |
||
36 | mario79 | 383 | ; inc [mouse_pause] |
1 | ha | 384 | call [disable_mouse] |
385 | |||
386 | ; draw a line |
||
387 | ; eax = HIWORD = x1 |
||
388 | ; LOWORD = x2 |
||
389 | ; ebx = HIWORD = y1 |
||
390 | ; LOWORD = y2 |
||
391 | ; ecx = color |
||
392 | ; edi = force ? |
||
393 | pusha |
||
394 | |||
395 | dl_x1 equ esp+20 |
||
396 | dl_y1 equ esp+16 |
||
397 | dl_x2 equ esp+12 |
||
398 | dl_y2 equ esp+8 |
||
399 | dl_dx equ esp+4 |
||
400 | dl_dy equ esp+0 |
||
401 | |||
402 | xor edx, edx ; clear edx |
||
403 | xor esi, esi ; unpack arguments |
||
404 | xor ebp, ebp |
||
405 | mov si, ax ; esi = x2 |
||
406 | mov bp, bx ; ebp = y2 |
||
407 | shr eax, 16 ; eax = x1 |
||
408 | shr ebx, 16 ; ebx = y1 |
||
409 | |||
410 | push eax ; save x1 |
||
411 | push ebx ; save y1 |
||
412 | push esi ; save x2 |
||
413 | push ebp ; save y2 |
||
414 | |||
415 | ; checking x-axis... |
||
416 | sub esi, eax ; esi = x2-x1 |
||
417 | push esi ; save y2-y1 |
||
418 | jl .x2lx1 ; is x2 less than x1 ? |
||
419 | jg .no_vline ; x1 > x2 ? |
||
420 | mov edx, ebp ; else (if x1=x2) |
||
421 | call vline |
||
422 | push edx ; necessary to rightly restore stack frame at .exit |
||
423 | jmp .exit |
||
424 | .x2lx1: |
||
425 | neg esi ; get esi absolute value |
||
426 | .no_vline: |
||
427 | |||
428 | ; checking y-axis... |
||
429 | sub ebp, ebx ; ebp = y2-y1 |
||
430 | push ebp ; save y2-y1 |
||
431 | jl .y2ly1 ; is y2 less than y1 ? |
||
432 | jg .no_hline ; y1 > y2 ? |
||
433 | mov edx, [dl_x2] ; else (if y1=y2) |
||
434 | call hline |
||
435 | jmp .exit |
||
436 | .y2ly1: |
||
437 | neg ebp ; get ebp absolute value |
||
438 | .no_hline: |
||
439 | |||
440 | |||
441 | cmp ebp, esi |
||
442 | jle .x_rules ; |y2-y1| < |x2-x1| ? |
||
443 | |||
444 | cmp [dl_y2], ebx ; make sure y1 is at the begining |
||
445 | jge .no_reverse1 |
||
446 | |||
447 | neg dword [dl_dx] |
||
448 | mov edx, [dl_x2] |
||
449 | mov [dl_x2], eax |
||
450 | mov [dl_x1], edx |
||
451 | mov edx, [dl_y2] |
||
452 | mov [dl_y2], ebx |
||
453 | mov [dl_y1], edx |
||
454 | |||
455 | .no_reverse1: |
||
456 | |||
457 | mov eax, [dl_dx] |
||
458 | cdq ; extend eax sing to edx |
||
459 | shl eax, 16 ; using 16bit fix-point maths |
||
460 | idiv ebp ; eax = ((x2-x1)*65536)/(y2-y1) |
||
461 | mov edx, ebp ; edx = counter (number of pixels to draw) |
||
462 | mov ebp, 1 *65536 ; <<16 ; ebp = dy = 1.0 |
||
463 | mov esi, eax ; esi = dx |
||
464 | |||
465 | jmp .y_rules |
||
466 | .x_rules: |
||
467 | |||
468 | cmp [dl_x2], eax ; make sure x1 is at the begining |
||
469 | jge .no_reverse2 |
||
470 | |||
471 | neg dword [dl_dy] |
||
472 | mov edx, [dl_x2] |
||
473 | mov [dl_x2], eax |
||
474 | mov [dl_x1], edx |
||
475 | mov edx, [dl_y2] |
||
476 | mov [dl_y2], ebx |
||
477 | mov [dl_y1], edx |
||
478 | |||
479 | .no_reverse2: |
||
480 | |||
481 | xor edx, edx |
||
482 | mov eax, [dl_dy] |
||
483 | cdq ; extend eax sing to edx |
||
484 | shl eax, 16 ; using 16bit fix-point maths |
||
485 | idiv esi ; eax = ((y2-y1)*65536)/(x2-x1) |
||
486 | mov edx, esi ; edx = counter (number of pixels to draw) |
||
487 | mov esi, 1 *65536 ;<< 16 ; esi = dx = 1.0 |
||
488 | mov ebp, eax ; ebp = dy |
||
489 | |||
490 | .y_rules: |
||
491 | |||
492 | mov eax, [dl_x1] |
||
493 | mov ebx, [dl_y1] |
||
494 | shl eax, 16 |
||
495 | shl ebx, 16 |
||
496 | |||
497 | align 4 |
||
498 | |||
499 | .draw: |
||
500 | push eax ebx |
||
501 | shr eax, 16 |
||
502 | shr ebx, 16 |
||
503 | call [putpixel] |
||
504 | pop ebx eax |
||
505 | |||
506 | add ebx, ebp ; y = y+dy |
||
507 | add eax, esi ; x = x+dx |
||
508 | |||
509 | dec edx |
||
510 | jnz .draw |
||
511 | |||
512 | ; force last drawn pixel to be at (x2,y2) |
||
513 | mov eax, [dl_x2] |
||
514 | mov ebx, [dl_y2] |
||
515 | call [putpixel] |
||
516 | .exit: |
||
517 | add esp, 6*4 |
||
518 | popa |
||
36 | mario79 | 519 | ; dec [mouse_pause] |
520 | call [draw_pointer] |
||
1 | ha | 521 | ret |
522 | |||
523 | |||
524 | hline: |
||
525 | ; draw an horizontal line |
||
526 | ; eax = x1 |
||
527 | ; edx = x2 |
||
528 | ; ebx = y |
||
529 | ; ecx = color |
||
530 | ; edi = force ? |
||
531 | push eax edx |
||
532 | |||
533 | cmp edx, eax ; make sure x2 is above x1 |
||
534 | jge @f |
||
535 | xchg eax, edx |
||
536 | align 4 |
||
537 | @@: |
||
538 | call [putpixel] |
||
539 | inc eax |
||
540 | cmp eax, edx |
||
541 | jle @b |
||
542 | |||
543 | pop edx eax |
||
544 | ret |
||
545 | |||
546 | |||
547 | vline: |
||
548 | ; draw a vertical line |
||
549 | ; eax = x |
||
550 | ; ebx = y1 |
||
551 | ; edx = y2 |
||
552 | ; ecx = color |
||
553 | ; edi = force ? |
||
554 | push ebx edx |
||
555 | |||
556 | cmp edx, ebx ; make sure y2 is above y1 |
||
557 | jge @f |
||
558 | xchg ebx, edx |
||
559 | align 4 |
||
560 | @@: |
||
561 | call [putpixel] |
||
562 | inc ebx |
||
563 | cmp ebx, edx |
||
564 | jle @b |
||
565 | |||
566 | pop edx ebx |
||
567 | ret |
||
568 | |||
569 | |||
570 | ;************************************************* |
||
571 | |||
572 | |||
573 | virtual at esp |
||
574 | drbar: |
||
575 | .bar_sx dd ? |
||
576 | .bar_sy dd ? |
||
577 | .bar_cx dd ? |
||
578 | .bar_cy dd ? |
||
579 | .abs_cx dd ? |
||
580 | .abs_cy dd ? |
||
581 | .real_sx dd ? |
||
582 | .real_sy dd ? |
||
583 | .color dd ? |
||
584 | .line_inc_scr dd ? |
||
585 | .line_inc_map dd ? |
||
586 | .stack_data = 4*11 |
||
587 | end virtual |
||
588 | |||
589 | align 4 |
||
590 | ; eax cx |
||
591 | ; ebx cy |
||
592 | ; ecx xe |
||
593 | ; edx ye |
||
594 | ; edi color |
||
595 | vesa20_drawbar: |
||
33 | mario79 | 596 | |
1 | ha | 597 | pushad |
598 | call [disable_mouse] |
||
599 | |||
600 | sub esp, drbar.stack_data |
||
601 | |||
602 | mov [drbar.color], edi |
||
603 | |||
604 | sub edx, ebx |
||
41 | mikedld | 605 | jle .exit ;// mike.dld, 2005-01-29 |
1 | ha | 606 | sub ecx, eax |
41 | mikedld | 607 | jle .exit ;// mike.dld, 2005-01-29 |
1 | ha | 608 | mov [drbar.bar_sy], edx |
609 | mov [drbar.bar_sx], ecx |
||
610 | |||
611 | mov [drbar.bar_cx], eax |
||
612 | mov [drbar.bar_cy], ebx |
||
613 | |||
614 | mov edi, [0x3010] |
||
115 | poddubny | 615 | add eax, [edi-twdw + WDATA.box.left] ; win_cx |
616 | add ebx, [edi-twdw + WDATA.box.top] ; win_cy |
||
1 | ha | 617 | mov [drbar.abs_cx], eax |
618 | mov [drbar.abs_cy], ebx |
||
619 | |||
620 | ; real_sx = MIN(wnd_sx-bar_cx, bar_sx); |
||
115 | poddubny | 621 | mov ebx, [edi-twdw + WDATA.box.width] ; ebx = wnd_sx |
133 | diamond | 622 | ; \begin{diamond}[20.08.2006] |
623 | ; note that WDATA.box.width is one pixel less than real window x-size |
||
624 | inc ebx |
||
625 | ; \end{diamond}[20.08.2006] |
||
1 | ha | 626 | sub ebx, [drbar.bar_cx] |
627 | ja @f |
||
41 | mikedld | 628 | .exit: ;// mike.dld, 2005-01-29 |
1 | ha | 629 | add esp, drbar.stack_data |
630 | popad |
||
631 | xor eax, eax |
||
632 | inc eax |
||
33 | mario79 | 633 | |
1 | ha | 634 | ret |
635 | @@: |
||
636 | cmp ebx, [drbar.bar_sx] |
||
637 | jbe .end_x |
||
638 | mov ebx, [drbar.bar_sx] |
||
639 | .end_x: |
||
640 | mov [drbar.real_sx], ebx |
||
641 | |||
642 | ; real_sy = MIN(wnd_sy-bar_cy, bar_sy); |
||
115 | poddubny | 643 | mov ebx, [edi-twdw + WDATA.box.height] ; ebx = wnd_sy |
133 | diamond | 644 | ; \begin{diamond}[20.08.2006] |
645 | inc ebx |
||
646 | ; \end{diamond} |
||
1 | ha | 647 | sub ebx, [drbar.bar_cy] |
648 | ja @f |
||
649 | add esp, drbar.stack_data |
||
650 | popad |
||
651 | xor eax, eax |
||
652 | inc eax |
||
33 | mario79 | 653 | |
1 | ha | 654 | ret |
655 | @@: |
||
656 | cmp ebx, [drbar.bar_sy] |
||
657 | jbe .end_y |
||
658 | mov ebx, [drbar.bar_sy] |
||
659 | .end_y: |
||
660 | mov [drbar.real_sy], ebx |
||
661 | |||
662 | ; line_inc_map |
||
663 | mov eax, [ScreenWidth] |
||
664 | sub eax, [drbar.real_sx] |
||
665 | inc eax |
||
666 | mov [drbar.line_inc_map], eax |
||
667 | |||
668 | ; line_inc_scr |
||
669 | mov eax, [drbar.real_sx] |
||
670 | movzx ebx, byte [ScreenBPP] |
||
671 | shr ebx, 3 |
||
672 | imul eax, ebx |
||
673 | neg eax |
||
674 | add eax, [BytesPerScanLine] |
||
675 | mov [drbar.line_inc_scr], eax |
||
676 | |||
677 | ; pointer to screen |
||
678 | mov edx, [drbar.abs_cy] |
||
679 | imul edx, [BytesPerScanLine] |
||
680 | mov eax, [drbar.abs_cx] |
||
681 | ; movzx ebx, byte [ScreenBPP] |
||
682 | ; shr ebx, 3 |
||
683 | imul eax, ebx |
||
684 | add edx, eax |
||
685 | add edx, [LFBAddress] |
||
686 | |||
687 | ; pointer to pixel map |
||
688 | mov eax, [drbar.abs_cy] |
||
689 | imul eax, [ScreenWidth] |
||
690 | add eax, [drbar.abs_cy] |
||
691 | add eax, [drbar.abs_cx] |
||
692 | add eax, WinMapAddress |
||
693 | xchg eax, ebp |
||
694 | |||
695 | ; get process number |
||
102 | poddubny | 696 | mov ebx, [0x3000] |
1 | ha | 697 | |
698 | cmp byte [ScreenBPP], 24 |
||
699 | jne draw_bar_end_32 |
||
700 | draw_bar_end_24: |
||
701 | mov eax, [drbar.color] ;; BBGGRR00 |
||
702 | mov bh, al ;; bh = BB |
||
703 | shr eax, 8 ;; eax = RRGG |
||
704 | ; eax - color high RRGG |
||
705 | ; bl - process num |
||
706 | ; bh - color low BB |
||
707 | ; ecx - temp |
||
708 | ; edx - pointer to screen |
||
709 | ; esi - counter |
||
710 | ; edi - counter |
||
711 | |||
712 | mov esi, [drbar.real_sy] |
||
713 | align 4 |
||
714 | .new_y: |
||
715 | mov edi, [drbar.real_sx] |
||
716 | align 4 |
||
717 | .new_x: |
||
718 | |||
719 | cmp byte [ebp], bl |
||
720 | jne .skip |
||
721 | mov [edx], bh |
||
722 | mov [edx + 1], ax |
||
723 | .skip: |
||
724 | |||
725 | ; add pixel |
||
726 | add edx, 3 |
||
727 | inc ebp |
||
728 | |||
729 | dec edi |
||
730 | jnz .new_x |
||
731 | |||
732 | ; add line |
||
733 | add edx, [drbar.line_inc_scr] |
||
734 | add ebp, [drbar.line_inc_map] |
||
735 | |||
736 | ; |
||
737 | test eax, 0x00800000 |
||
738 | jz @f |
||
739 | test bh, bh |
||
740 | jz @f |
||
741 | dec bh |
||
742 | @@: |
||
743 | ; |
||
744 | |||
745 | dec esi |
||
746 | jnz .new_y |
||
747 | |||
748 | add esp, drbar.stack_data |
||
749 | popad |
||
750 | xor eax, eax |
||
751 | ret |
||
752 | |||
753 | draw_bar_end_32: |
||
754 | mov eax, [drbar.color] ;; BBGGRR00 |
||
755 | |||
756 | mov esi, [drbar.real_sy] |
||
757 | align 4 |
||
758 | .new_y: |
||
759 | mov edi, [drbar.real_sx] |
||
760 | align 4 |
||
761 | .new_x: |
||
762 | |||
763 | cmp byte [ebp], bl |
||
764 | jne .skip |
||
765 | mov [edx], eax |
||
766 | .skip: |
||
767 | |||
768 | ; add pixel |
||
769 | add edx, 4 |
||
770 | inc ebp |
||
771 | |||
772 | dec edi |
||
773 | jnz .new_x |
||
774 | |||
775 | ; add line |
||
776 | add edx, [drbar.line_inc_scr] |
||
777 | add ebp, [drbar.line_inc_map] |
||
778 | |||
779 | ; |
||
780 | test eax, 0x80000000 |
||
781 | jz @f |
||
782 | test al, al |
||
783 | jz @f |
||
784 | dec al |
||
785 | @@: |
||
786 | ; |
||
787 | |||
788 | dec esi |
||
789 | jnz .new_y |
||
790 | |||
791 | add esp, drbar.stack_data |
||
792 | popad |
||
117 | mario79 | 793 | call VGA_draw_bar |
1 | ha | 794 | xor eax, eax |
117 | mario79 | 795 | mov [EGA_counter],1 |
1 | ha | 796 | ret |
797 | |||
798 | |||
799 | ;voodoodbcplimit: |
||
800 | |||
801 | ; ebp:=(y+Ywin)*(ScreenXSize+1)+(x+Xwin)+AddrBuffer |
||
802 | |||
803 | |||
804 | ; pusha |
||
805 | |||
806 | ; xor edx,edx |
||
807 | ; mov eax,ebp |
||
808 | ; mov ebx,[ScreenWidth] ; Screen_X_size |
||
809 | ; inc ebx ; +1 |
||
810 | ; sub eax,WinMapAddress ; -AddrBuffer |
||
811 | ; div ebx ; |
||
812 | ; mov ebx,eax ; ebx:=Y |
||
813 | ; mov eax,edx ; eax:=X |
||
814 | ; call cplimit |
||
815 | |||
816 | ; test ecx,ecx |
||
817 | ; jne dbcpl12 |
||
818 | ; popa |
||
819 | ; clc |
||
820 | ; ret |
||
821 | ; dbcpl12: |
||
822 | ; popa |
||
823 | ; stc |
||
824 | ; ret |
||
825 | |||
826 | |||
827 | |||
828 | |||
829 | ;dbcplimit: |
||
830 | |||
831 | ; pusha |
||
832 | |||
833 | ; xor edx,edx |
||
834 | ; mov ebx,[ScreenWidth] |
||
835 | ; inc ebx |
||
836 | ; sub eax,WinMapAddress |
||
837 | ; div ebx |
||
838 | ; mov ebx,eax |
||
839 | ; mov eax,edx |
||
840 | ; call cplimit |
||
841 | |||
842 | ; test ecx,ecx |
||
843 | ; jne dbcpl1 |
||
844 | ; popa |
||
845 | ; clc |
||
846 | ; ret |
||
847 | ; dbcpl1: |
||
848 | ; popa |
||
849 | ; stc |
||
850 | ; ret |
||
851 | |||
852 | |||
853 | |||
854 | |||
855 | |||
856 | |||
857 | ;--------------vbe voodoo ------------------------------------------------ |
||
858 | vesa20_drawbackground_tiled: |
||
859 | |||
860 | call [disable_mouse] |
||
861 | |||
862 | push ebp |
||
863 | push eax |
||
864 | push ebx |
||
865 | push ecx |
||
866 | push edx |
||
867 | |||
868 | mov edx,dword [WinMapAddress-8] ; B |
||
869 | add edx,dword [WinMapAddress-8] ; +B |
||
870 | add edx,dword [WinMapAddress-8] ; +B |
||
871 | push edx |
||
872 | |||
115 | poddubny | 873 | mov ebp,[draw_data+32+RECT.left] ; x start:=(x+Xwin) |
874 | mov ebx,[draw_data+32+RECT.top] ; y start:=(y+Ywin) |
||
1 | ha | 875 | |
876 | mov eax,[BytesPerScanLine] |
||
877 | mul ebx |
||
878 | xchg ebp, eax ; BytesPerScanLine*(Ywin+y) |
||
879 | add ebp, eax ; +X |
||
880 | add ebp, eax ; +X |
||
881 | add ebp, eax ; +X |
||
882 | |||
883 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
884 | jz @f |
||
885 | add ebp,eax ; +X |
||
886 | @@: |
||
887 | add ebp,[LFBAddress] ; +LFB |
||
888 | |||
889 | ; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB |
||
890 | |||
891 | call calculate_edi |
||
892 | |||
893 | |||
894 | dp3: ; MAIN LOOP |
||
895 | |||
896 | cmp [edi+WinMapAddress],byte 1 ; ptrBuffer^<>byte(1) |
||
897 | ; je ybgp |
||
898 | ; |
||
899 | ; jmp nbgp |
||
900 | ; |
||
901 | ; ybgp: |
||
902 | jne nbgp |
||
903 | |||
904 | push eax |
||
905 | push ebx |
||
906 | |||
907 | mov ecx,dword [WinMapAddress-8] ; B |
||
908 | xor edx,edx ; edx:=0 |
||
909 | div ecx ; Xstart/B |
||
910 | |||
911 | ; eax=Int(qn) edx:=Rem |
||
912 | |||
913 | lea esi,[edx+edx*2] ; esi:=edx*3 |
||
914 | |||
915 | mov ecx,dword [WinMapAddress-4] ; ecx:=H |
||
916 | mov eax,[esp+0] ; eax:=Ystart |
||
917 | xor edx,edx ; |
||
918 | div ecx ; Ystart/H |
||
919 | |||
920 | mov eax,edx ; eax:=Rem |
||
921 | xor edx,edx ; |
||
922 | mov ebx,[esp+8] ; ebx:=B*3 |
||
923 | mul ebx ; |
||
924 | add esi,eax ; |
||
925 | mov eax,[esi+0x300000] |
||
926 | and eax,0xffffff |
||
927 | |||
928 | xchg edi, ebp |
||
929 | stosw |
||
930 | shr eax,16 |
||
931 | stosb |
||
932 | xchg ebp, edi ; ebp+=3 |
||
933 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
934 | jz @f |
||
935 | inc ebp ; +1 |
||
936 | @@: |
||
937 | |||
938 | pop ebx |
||
939 | pop eax |
||
940 | |||
941 | jmp hook1 |
||
942 | |||
943 | nbgp: |
||
944 | add ebp,3 ; +3 |
||
945 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
946 | jz @f |
||
947 | inc ebp ; +1 |
||
948 | @@: |
||
949 | |||
950 | hook1: |
||
951 | |||
952 | inc edi ; ptrBuffer++ |
||
953 | add esi,3 ; ptrImage+=3 |
||
954 | inc eax |
||
115 | poddubny | 955 | cmp eax,[draw_data+32+RECT.right] ; X > xend? |
1 | ha | 956 | ; jg nodp3 |
957 | ; jmp dp3 |
||
958 | ; |
||
959 | ; nodp3: |
||
960 | jle dp3 |
||
961 | |||
115 | poddubny | 962 | mov ebp,[draw_data+32+RECT.left] |
1 | ha | 963 | |
964 | inc ebx |
||
965 | |||
966 | mov eax,[BytesPerScanLine] |
||
967 | mul ebx |
||
968 | xchg ebp, eax ; BytesPerScanLine*(Ywin+y) |
||
969 | add ebp, eax ; +X |
||
970 | add ebp, eax ; +X=X*2 |
||
971 | add ebp, eax ; +X=X*3 |
||
972 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
973 | jz @f |
||
974 | add ebp,eax ; +X=X*4 |
||
975 | @@: |
||
976 | add ebp,[LFBAddress] ; +LFB |
||
977 | |||
978 | ; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB |
||
979 | |||
980 | call calculate_edi |
||
981 | |||
115 | poddubny | 982 | cmp ebx,[draw_data+32+RECT.bottom] |
1 | ha | 983 | ; jg dp4 |
984 | ; |
||
985 | ; jmp dp3 |
||
986 | ; |
||
987 | ; dp4: |
||
988 | jle dp3 |
||
989 | |||
990 | add esp,4 |
||
991 | |||
992 | pop edx |
||
993 | pop ecx |
||
994 | pop ebx |
||
995 | pop eax |
||
996 | pop ebp |
||
117 | mario79 | 997 | mov [EGA_counter],1 |
998 | call VGA_drawbackground |
||
1 | ha | 999 | ret |
1000 | |||
1001 | ; ---------- |
||
1002 | |||
1003 | |||
1004 | vesa20_drawbackground_stretch: |
||
1005 | |||
1006 | call [disable_mouse] |
||
1007 | |||
1008 | push ebp |
||
1009 | push eax |
||
1010 | push ebx |
||
1011 | push ecx |
||
1012 | push edx |
||
1013 | |||
1014 | mov edx,dword [WinMapAddress-8] ; B |
||
1015 | add edx,dword [WinMapAddress-8] ; +B |
||
1016 | add edx,dword [WinMapAddress-8] ; +B |
||
1017 | push edx |
||
1018 | |||
115 | poddubny | 1019 | mov ebp,[draw_data+32+RECT.left] ; x start:=(x+Xwin) |
1020 | mov ebx,[draw_data+32+RECT.top] ; y start:=(y+Ywin) |
||
1 | ha | 1021 | |
1022 | mov eax,[BytesPerScanLine] |
||
1023 | mul ebx |
||
1024 | xchg ebp, eax ; BytesPerScanLine*(Ywin+y) |
||
1025 | add ebp, eax ; +X |
||
1026 | add ebp, eax ; +X |
||
1027 | add ebp, eax ; +X |
||
1028 | |||
1029 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
1030 | jz @f |
||
1031 | add ebp,eax ; +X |
||
1032 | @@: |
||
1033 | add ebp,[LFBAddress] ; +LFB |
||
1034 | |||
1035 | ; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB |
||
1036 | |||
1037 | call calculate_edi |
||
1038 | |||
1039 | |||
205 | heavyiron | 1040 | sdp3: ; MAIN LOOP |
1041 | cmp [edi+WinMapAddress],byte 1 ; ptrBuffer^<>byte(1) |
||
1042 | jne snbgp |
||
1043 | push eax |
||
1044 | push ebx |
||
1045 | mov eax,dword [WinMapAddress-8] |
||
1046 | imul eax, [esp+4] ;4 |
||
1047 | xor edx,edx |
||
1048 | mov ebx,[ScreenWidth] |
||
1049 | div ebx |
||
1050 | mov cx,dx |
||
1051 | lea esi,[eax+eax*2] |
||
1052 | mov eax,dword [WinMapAddress-4] |
||
1053 | imul eax, [esp+0] ;0 |
||
1054 | xor edx,edx |
||
1055 | mov ebx,[ScreenHeight] |
||
1056 | div ebx |
||
1057 | shl ecx,16 |
||
1058 | mov cx,dx |
||
1059 | imul eax, [esp+8] ;8 |
||
1060 | add esi,eax |
||
1061 | mov eax,[esi+0x300000] |
||
1062 | push eax |
||
1063 | ror ecx,16 |
||
1064 | xor eax,eax |
||
1065 | mov ax,cx |
||
1066 | shl eax,1 ; умножение на 2 |
||
1067 | lea eax,[eax+eax*4] ; умножение на 5 |
||
1068 | xor edx,edx |
||
1069 | mov ebx,[ScreenWidth] |
||
1070 | div ebx |
||
1071 | cmp eax,5 |
||
1072 | pop eax |
||
1073 | jb @f |
||
1074 | mov ebx,[esi+0x300000+3] |
||
1075 | call overlapping_of_points |
||
1076 | @@: |
||
1077 | push eax |
||
1078 | ror ecx,16 |
||
1079 | xor eax,eax |
||
1080 | mov ax,cx |
||
1081 | shl eax,1 ; умножение на 2 |
||
1082 | lea eax,[eax+eax*4] ; умножение на |
||
1083 | xor edx,edx |
||
1084 | mov ebx,[ScreenHeight] |
||
1085 | div ebx |
||
1086 | cmp eax,5 |
||
1087 | pop eax |
||
1088 | jb @f |
||
1089 | mov ebx,[display_data-8] |
||
1090 | shl ebx,1 |
||
1091 | add ebx,[display_data-8] |
||
1092 | add ebx,0x300000 |
||
1093 | add ebx,esi |
||
1094 | mov ebx,[ebx] |
||
1095 | call overlapping_of_points |
||
1096 | @@: |
||
1097 | and eax,0xffffff |
||
1098 | xchg edi, ebp |
||
1099 | stosw |
||
1100 | shr eax,16 |
||
1101 | stosb |
||
1102 | xchg ebp, edi ; ebp+=3 |
||
1103 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
1104 | jz @f |
||
1105 | inc ebp ; +1 |
||
1106 | @@: |
||
1107 | pop ebx |
||
1108 | pop eax |
||
1109 | jmp shook1 |
||
1 | ha | 1110 | |
205 | heavyiron | 1111 | overlapping_of_points: |
1112 | push ecx edi |
||
1113 | mov ecx,eax |
||
1114 | mov edx,ebx |
||
1115 | xor eax,eax |
||
1116 | mov al,cl |
||
1117 | xor ebx,ebx |
||
1118 | mov bl,dl |
||
1119 | add eax,ebx |
||
1120 | rcr eax,1 |
||
1121 | xor edi,edi |
||
1122 | mov di,ax |
||
1123 | xor eax,eax |
||
1124 | mov al,ch |
||
1125 | xor ebx,ebx |
||
1126 | mov bl,dh |
||
1127 | add eax,ebx |
||
1128 | rcr eax,1 |
||
1129 | ror edi,8 |
||
1130 | add edi,eax |
||
1131 | ror ecx,8 |
||
1132 | ror edx,8 |
||
1133 | xor eax,eax |
||
1134 | mov al,ch |
||
1135 | xor ebx,ebx |
||
1136 | mov bl,dh |
||
1137 | add eax,ebx |
||
1138 | rcr eax,1 |
||
1139 | ror edi,8 |
||
1140 | add eax,edi |
||
1141 | ror eax,16 |
||
1142 | pop edi ecx |
||
1143 | ret |
||
1 | ha | 1144 | |
1145 | snbgp: |
||
1146 | add ebp,3 ; +3 |
||
1147 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
1148 | jz @f |
||
1149 | inc ebp ; +1 |
||
1150 | @@: |
||
1151 | |||
1152 | shook1: |
||
1153 | |||
1154 | inc edi ; ptrBuffer++ |
||
1155 | add esi,3 ; ptrImage+=3 |
||
1156 | inc eax |
||
115 | poddubny | 1157 | cmp eax,[draw_data+32+RECT.right] ; X > xend? |
1 | ha | 1158 | jle sdp3 |
1159 | |||
115 | poddubny | 1160 | mov ebp,[draw_data+32+RECT.left] |
1 | ha | 1161 | |
1162 | inc ebx |
||
1163 | |||
1164 | mov eax,[BytesPerScanLine] |
||
1165 | mul ebx |
||
1166 | xchg ebp, eax ; BytesPerScanLine*(Ywin+y) |
||
1167 | add ebp, eax ; +X |
||
1168 | add ebp, eax ; +X=X*2 |
||
1169 | add ebp, eax ; +X=X*3 |
||
1170 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
1171 | jz @f |
||
1172 | add ebp,eax ; +X=X*4 |
||
1173 | @@: |
||
1174 | add ebp,[LFBAddress] ; +LFB |
||
1175 | |||
1176 | ; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB |
||
1177 | |||
1178 | call calculate_edi |
||
1179 | |||
115 | poddubny | 1180 | cmp ebx,[draw_data+32+RECT.bottom] |
1 | ha | 1181 | jle sdp3 |
1182 | |||
1183 | add esp,4 |
||
1184 | |||
1185 | pop edx |
||
1186 | pop ecx |
||
1187 | pop ebx |
||
1188 | pop eax |
||
1189 | pop ebp |
||
117 | mario79 | 1190 | mov [EGA_counter],1 |
1191 | call VGA_drawbackground |
||
1 | ha | 1192 | ret>>><>16><16>> |