diff options
Diffstat (limited to 'apps/plugins/sdl/src/video/svga/SDL_svgavideo.c')
-rw-r--r-- | apps/plugins/sdl/src/video/svga/SDL_svgavideo.c | 584 |
1 files changed, 584 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/video/svga/SDL_svgavideo.c b/apps/plugins/sdl/src/video/svga/SDL_svgavideo.c new file mode 100644 index 0000000000..58ea800f24 --- /dev/null +++ b/apps/plugins/sdl/src/video/svga/SDL_svgavideo.c | |||
@@ -0,0 +1,584 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | /* SVGAlib based SDL video driver implementation. | ||
25 | */ | ||
26 | |||
27 | #include <unistd.h> | ||
28 | #include <sys/stat.h> | ||
29 | #include <sys/types.h> | ||
30 | #include <sys/ioctl.h> | ||
31 | #include <fcntl.h> | ||
32 | |||
33 | #if defined(__LINUX__) | ||
34 | #include <linux/vt.h> | ||
35 | #elif defined(__FREEBSD__) | ||
36 | #include <sys/consio.h> | ||
37 | #else | ||
38 | #error You must choose your operating system here | ||
39 | #endif | ||
40 | #include <vga.h> | ||
41 | #include <vgamouse.h> | ||
42 | #include <vgakeyboard.h> | ||
43 | |||
44 | #include "SDL_video.h" | ||
45 | #include "SDL_mouse.h" | ||
46 | #include "../SDL_sysvideo.h" | ||
47 | #include "../SDL_pixels_c.h" | ||
48 | #include "../../events/SDL_events_c.h" | ||
49 | #include "SDL_svgavideo.h" | ||
50 | #include "SDL_svgaevents_c.h" | ||
51 | #include "SDL_svgamouse_c.h" | ||
52 | |||
53 | /* Initialization/Query functions */ | ||
54 | static int SVGA_VideoInit(_THIS, SDL_PixelFormat *vformat); | ||
55 | static SDL_Rect **SVGA_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); | ||
56 | static SDL_Surface *SVGA_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); | ||
57 | static int SVGA_SetColors(_THIS, int firstcolor, int ncolors, | ||
58 | SDL_Color *colors); | ||
59 | static void SVGA_VideoQuit(_THIS); | ||
60 | |||
61 | /* Hardware surface functions */ | ||
62 | static int SVGA_AllocHWSurface(_THIS, SDL_Surface *surface); | ||
63 | static int SVGA_LockHWSurface(_THIS, SDL_Surface *surface); | ||
64 | static int SVGA_FlipHWSurface(_THIS, SDL_Surface *surface); | ||
65 | static void SVGA_UnlockHWSurface(_THIS, SDL_Surface *surface); | ||
66 | static void SVGA_FreeHWSurface(_THIS, SDL_Surface *surface); | ||
67 | |||
68 | /* SVGAlib driver bootstrap functions */ | ||
69 | |||
70 | static int SVGA_Available(void) | ||
71 | { | ||
72 | /* Check to see if we are root and stdin is a virtual console */ | ||
73 | int console; | ||
74 | |||
75 | /* SVGALib 1.9.x+ doesn't require root (via /dev/svga) */ | ||
76 | int svgalib2 = -1; | ||
77 | |||
78 | /* See if we are connected to a virtual terminal */ | ||
79 | console = STDIN_FILENO; | ||
80 | #if 0 /* This is no longer needed, SVGAlib can switch consoles for us */ | ||
81 | if ( console >= 0 ) { | ||
82 | struct stat sb; | ||
83 | struct vt_mode dummy; | ||
84 | |||
85 | if ( (fstat(console, &sb) < 0) || | ||
86 | (ioctl(console, VT_GETMODE, &dummy) < 0) ) { | ||
87 | console = -1; | ||
88 | } | ||
89 | } | ||
90 | #endif /* 0 */ | ||
91 | |||
92 | /* See if SVGAlib 2.0 is available */ | ||
93 | svgalib2 = open("/dev/svga", O_RDONLY); | ||
94 | if (svgalib2 != -1) { | ||
95 | close(svgalib2); | ||
96 | } | ||
97 | |||
98 | return(((svgalib2 != -1) || (geteuid() == 0)) && (console >= 0)); | ||
99 | } | ||
100 | |||
101 | static void SVGA_DeleteDevice(SDL_VideoDevice *device) | ||
102 | { | ||
103 | SDL_free(device->hidden); | ||
104 | SDL_free(device); | ||
105 | } | ||
106 | |||
107 | static SDL_VideoDevice *SVGA_CreateDevice(int devindex) | ||
108 | { | ||
109 | SDL_VideoDevice *device; | ||
110 | |||
111 | /* Initialize all variables that we clean on shutdown */ | ||
112 | device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); | ||
113 | if ( device ) { | ||
114 | SDL_memset(device, 0, (sizeof *device)); | ||
115 | device->hidden = (struct SDL_PrivateVideoData *) | ||
116 | SDL_malloc((sizeof *device->hidden)); | ||
117 | } | ||
118 | if ( (device == NULL) || (device->hidden == NULL) ) { | ||
119 | SDL_OutOfMemory(); | ||
120 | if ( device ) { | ||
121 | SDL_free(device); | ||
122 | } | ||
123 | return(0); | ||
124 | } | ||
125 | SDL_memset(device->hidden, 0, (sizeof *device->hidden)); | ||
126 | |||
127 | /* Set the function pointers */ | ||
128 | device->VideoInit = SVGA_VideoInit; | ||
129 | device->ListModes = SVGA_ListModes; | ||
130 | device->SetVideoMode = SVGA_SetVideoMode; | ||
131 | device->SetColors = SVGA_SetColors; | ||
132 | device->UpdateRects = NULL; | ||
133 | device->VideoQuit = SVGA_VideoQuit; | ||
134 | device->AllocHWSurface = SVGA_AllocHWSurface; | ||
135 | device->CheckHWBlit = NULL; | ||
136 | device->FillHWRect = NULL; | ||
137 | device->SetHWColorKey = NULL; | ||
138 | device->SetHWAlpha = NULL; | ||
139 | device->LockHWSurface = SVGA_LockHWSurface; | ||
140 | device->UnlockHWSurface = SVGA_UnlockHWSurface; | ||
141 | device->FlipHWSurface = SVGA_FlipHWSurface; | ||
142 | device->FreeHWSurface = SVGA_FreeHWSurface; | ||
143 | device->SetCaption = NULL; | ||
144 | device->SetIcon = NULL; | ||
145 | device->IconifyWindow = NULL; | ||
146 | device->GrabInput = NULL; | ||
147 | device->GetWMInfo = NULL; | ||
148 | device->InitOSKeymap = SVGA_InitOSKeymap; | ||
149 | device->PumpEvents = SVGA_PumpEvents; | ||
150 | |||
151 | device->free = SVGA_DeleteDevice; | ||
152 | |||
153 | return device; | ||
154 | } | ||
155 | |||
156 | VideoBootStrap SVGALIB_bootstrap = { | ||
157 | "svgalib", "SVGAlib", | ||
158 | SVGA_Available, SVGA_CreateDevice | ||
159 | }; | ||
160 | |||
161 | static int SVGA_AddMode(_THIS, int mode, int actually_add) | ||
162 | { | ||
163 | int i, j; | ||
164 | vga_modeinfo *modeinfo; | ||
165 | |||
166 | modeinfo = vga_getmodeinfo(mode); | ||
167 | |||
168 | i = modeinfo->bytesperpixel-1; | ||
169 | if ( i < 0 ) { | ||
170 | return 0; | ||
171 | } | ||
172 | if ( actually_add ) { | ||
173 | SDL_Rect saved_rect[2]; | ||
174 | int saved_mode[2]; | ||
175 | int b; | ||
176 | |||
177 | /* Add the mode, sorted largest to smallest */ | ||
178 | b = 0; | ||
179 | j = 0; | ||
180 | while ( (SDL_modelist[i][j]->w > modeinfo->width) || | ||
181 | (SDL_modelist[i][j]->h > modeinfo->height) ) { | ||
182 | ++j; | ||
183 | } | ||
184 | /* Skip modes that are already in our list */ | ||
185 | if ( (SDL_modelist[i][j]->w == modeinfo->width) && | ||
186 | (SDL_modelist[i][j]->h == modeinfo->height) ) { | ||
187 | return(0); | ||
188 | } | ||
189 | /* Insert the new mode */ | ||
190 | saved_rect[b] = *SDL_modelist[i][j]; | ||
191 | saved_mode[b] = SDL_vgamode[i][j]; | ||
192 | SDL_modelist[i][j]->w = modeinfo->width; | ||
193 | SDL_modelist[i][j]->h = modeinfo->height; | ||
194 | SDL_vgamode[i][j] = mode; | ||
195 | /* Everybody scoot down! */ | ||
196 | if ( saved_rect[b].w && saved_rect[b].h ) { | ||
197 | for ( ++j; SDL_modelist[i][j]->w; ++j ) { | ||
198 | saved_rect[!b] = *SDL_modelist[i][j]; | ||
199 | saved_mode[!b] = SDL_vgamode[i][j]; | ||
200 | *SDL_modelist[i][j] = saved_rect[b]; | ||
201 | SDL_vgamode[i][j] = saved_mode[b]; | ||
202 | b = !b; | ||
203 | } | ||
204 | *SDL_modelist[i][j] = saved_rect[b]; | ||
205 | SDL_vgamode[i][j] = saved_mode[b]; | ||
206 | } | ||
207 | } else { | ||
208 | ++SDL_nummodes[i]; | ||
209 | } | ||
210 | return(1); | ||
211 | } | ||
212 | |||
213 | static void SVGA_UpdateVideoInfo(_THIS) | ||
214 | { | ||
215 | vga_modeinfo *modeinfo; | ||
216 | |||
217 | this->info.wm_available = 0; | ||
218 | this->info.hw_available = (banked ? 0 : 1); | ||
219 | modeinfo = vga_getmodeinfo(vga_getcurrentmode()); | ||
220 | this->info.video_mem = modeinfo->memory; | ||
221 | /* FIXME: Add hardware accelerated blit information */ | ||
222 | #ifdef SVGALIB_DEBUG | ||
223 | printf("Hardware accelerated blit: %savailable\n", modeinfo->haveblit ? "" : "not "); | ||
224 | #endif | ||
225 | } | ||
226 | |||
227 | int SVGA_VideoInit(_THIS, SDL_PixelFormat *vformat) | ||
228 | { | ||
229 | int keyboard; | ||
230 | int i, j; | ||
231 | int mode, total_modes; | ||
232 | |||
233 | /* Initialize all variables that we clean on shutdown */ | ||
234 | for ( i=0; i<NUM_MODELISTS; ++i ) { | ||
235 | SDL_nummodes[i] = 0; | ||
236 | SDL_modelist[i] = NULL; | ||
237 | SDL_vgamode[i] = NULL; | ||
238 | } | ||
239 | |||
240 | /* Initialize the library */ | ||
241 | vga_disabledriverreport(); | ||
242 | if ( vga_init() < 0 ) { | ||
243 | SDL_SetError("Unable to initialize SVGAlib"); | ||
244 | return(-1); | ||
245 | } | ||
246 | vga_setmode(TEXT); | ||
247 | |||
248 | /* Enable mouse and keyboard support */ | ||
249 | vga_setmousesupport(1); | ||
250 | keyboard = keyboard_init_return_fd(); | ||
251 | if ( keyboard < 0 ) { | ||
252 | SDL_SetError("Unable to initialize keyboard"); | ||
253 | return(-1); | ||
254 | } | ||
255 | if ( SVGA_initkeymaps(keyboard) < 0 ) { | ||
256 | return(-1); | ||
257 | } | ||
258 | keyboard_seteventhandler(SVGA_keyboardcallback); | ||
259 | |||
260 | /* Determine the current screen size */ | ||
261 | this->info.current_w = 0; | ||
262 | this->info.current_h = 0; | ||
263 | |||
264 | /* Determine the screen depth (use default 8-bit depth) */ | ||
265 | vformat->BitsPerPixel = 8; | ||
266 | |||
267 | /* Enumerate the available fullscreen modes */ | ||
268 | total_modes = 0; | ||
269 | for ( mode=vga_lastmodenumber(); mode; --mode ) { | ||
270 | if ( vga_hasmode(mode) ) { | ||
271 | if ( SVGA_AddMode(this, mode, 0) ) { | ||
272 | ++total_modes; | ||
273 | } | ||
274 | } | ||
275 | } | ||
276 | if ( SVGA_AddMode(this, G320x200x256, 0) ) ++total_modes; | ||
277 | if ( total_modes == 0 ) { | ||
278 | SDL_SetError("No linear video modes available"); | ||
279 | return(-1); | ||
280 | } | ||
281 | for ( i=0; i<NUM_MODELISTS; ++i ) { | ||
282 | SDL_vgamode[i] = (int *)SDL_malloc(SDL_nummodes[i]*sizeof(int)); | ||
283 | if ( SDL_vgamode[i] == NULL ) { | ||
284 | SDL_OutOfMemory(); | ||
285 | return(-1); | ||
286 | } | ||
287 | SDL_modelist[i] = (SDL_Rect **) | ||
288 | SDL_malloc((SDL_nummodes[i]+1)*sizeof(SDL_Rect *)); | ||
289 | if ( SDL_modelist[i] == NULL ) { | ||
290 | SDL_OutOfMemory(); | ||
291 | return(-1); | ||
292 | } | ||
293 | for ( j=0; j<SDL_nummodes[i]; ++j ) { | ||
294 | SDL_modelist[i][j]=(SDL_Rect *)SDL_malloc(sizeof(SDL_Rect)); | ||
295 | if ( SDL_modelist[i][j] == NULL ) { | ||
296 | SDL_OutOfMemory(); | ||
297 | return(-1); | ||
298 | } | ||
299 | SDL_memset(SDL_modelist[i][j], 0, sizeof(SDL_Rect)); | ||
300 | } | ||
301 | SDL_modelist[i][j] = NULL; | ||
302 | } | ||
303 | for ( mode=vga_lastmodenumber(); mode; --mode ) { | ||
304 | if ( vga_hasmode(mode) ) { | ||
305 | SVGA_AddMode(this, mode, 1); | ||
306 | } | ||
307 | } | ||
308 | SVGA_AddMode(this, G320x200x256, 1); | ||
309 | |||
310 | /* Free extra (duplicated) modes */ | ||
311 | for ( i=0; i<NUM_MODELISTS; ++i ) { | ||
312 | j = 0; | ||
313 | while ( SDL_modelist[i][j] && SDL_modelist[i][j]->w ) { | ||
314 | j++; | ||
315 | } | ||
316 | while ( SDL_modelist[i][j] ) { | ||
317 | SDL_free(SDL_modelist[i][j]); | ||
318 | SDL_modelist[i][j] = NULL; | ||
319 | j++; | ||
320 | } | ||
321 | } | ||
322 | |||
323 | /* Fill in our hardware acceleration capabilities */ | ||
324 | SVGA_UpdateVideoInfo(this); | ||
325 | |||
326 | /* We're done! */ | ||
327 | return(0); | ||
328 | } | ||
329 | |||
330 | SDL_Rect **SVGA_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) | ||
331 | { | ||
332 | return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]); | ||
333 | } | ||
334 | |||
335 | /* Various screen update functions available */ | ||
336 | static void SVGA_DirectUpdate(_THIS, int numrects, SDL_Rect *rects); | ||
337 | static void SVGA_BankedUpdate(_THIS, int numrects, SDL_Rect *rects); | ||
338 | |||
339 | SDL_Surface *SVGA_SetVideoMode(_THIS, SDL_Surface *current, | ||
340 | int width, int height, int bpp, Uint32 flags) | ||
341 | { | ||
342 | int mode; | ||
343 | int vgamode; | ||
344 | vga_modeinfo *modeinfo; | ||
345 | int screenpage_len; | ||
346 | |||
347 | /* Free old pixels if we were in banked mode */ | ||
348 | if ( banked && current->pixels ) { | ||
349 | free(current->pixels); | ||
350 | current->pixels = NULL; | ||
351 | } | ||
352 | |||
353 | /* Try to set the requested linear video mode */ | ||
354 | bpp = (bpp+7)/8-1; | ||
355 | for ( mode=0; SDL_modelist[bpp][mode]; ++mode ) { | ||
356 | if ( (SDL_modelist[bpp][mode]->w == width) && | ||
357 | (SDL_modelist[bpp][mode]->h == height) ) { | ||
358 | break; | ||
359 | } | ||
360 | } | ||
361 | if ( SDL_modelist[bpp][mode] == NULL ) { | ||
362 | SDL_SetError("Couldn't find requested mode in list"); | ||
363 | return(NULL); | ||
364 | } | ||
365 | vgamode = SDL_vgamode[bpp][mode]; | ||
366 | vga_setmode(vgamode); | ||
367 | vga_setpage(0); | ||
368 | |||
369 | if ( (vga_setlinearaddressing() < 0) && (vgamode != G320x200x256) ) { | ||
370 | banked = 1; | ||
371 | } else { | ||
372 | banked = 0; | ||
373 | } | ||
374 | |||
375 | modeinfo = vga_getmodeinfo(SDL_vgamode[bpp][mode]); | ||
376 | |||
377 | /* Update hardware acceleration info */ | ||
378 | SVGA_UpdateVideoInfo(this); | ||
379 | |||
380 | /* Allocate the new pixel format for the screen */ | ||
381 | bpp = (bpp+1)*8; | ||
382 | if ( (bpp == 16) && (modeinfo->colors == 32768) ) { | ||
383 | bpp = 15; | ||
384 | } | ||
385 | if ( ! SDL_ReallocFormat(current, bpp, 0, 0, 0, 0) ) { | ||
386 | return(NULL); | ||
387 | } | ||
388 | |||
389 | /* Set up the new mode framebuffer */ | ||
390 | current->flags = SDL_FULLSCREEN; | ||
391 | if ( !banked ) { | ||
392 | current->flags |= SDL_HWSURFACE; | ||
393 | } | ||
394 | if ( bpp == 8 ) { | ||
395 | /* FIXME: What about DirectColor? */ | ||
396 | current->flags |= SDL_HWPALETTE; | ||
397 | } | ||
398 | current->w = width; | ||
399 | current->h = height; | ||
400 | current->pitch = modeinfo->linewidth; | ||
401 | if ( banked ) { | ||
402 | current->pixels = SDL_malloc(current->h * current->pitch); | ||
403 | if ( !current->pixels ) { | ||
404 | SDL_OutOfMemory(); | ||
405 | return(NULL); | ||
406 | } | ||
407 | } else { | ||
408 | current->pixels = vga_getgraphmem(); | ||
409 | } | ||
410 | |||
411 | /* set double-buffering */ | ||
412 | if ( (flags & SDL_DOUBLEBUF) && !banked ) | ||
413 | { | ||
414 | /* length of one screen page in bytes */ | ||
415 | screenpage_len=current->h*modeinfo->linewidth; | ||
416 | |||
417 | /* if start address should be aligned */ | ||
418 | if ( modeinfo->linewidth_unit ) | ||
419 | { | ||
420 | if ( screenpage_len % modeinfo->linewidth_unit ) | ||
421 | { | ||
422 | screenpage_len += modeinfo->linewidth_unit - ( screenpage_len % modeinfo->linewidth_unit ); | ||
423 | } | ||
424 | } | ||
425 | |||
426 | /* if we heve enough videomemory = ak je dost videopamete */ | ||
427 | if ( modeinfo->memory > ( screenpage_len * 2 / 1024 ) ) | ||
428 | { | ||
429 | current->flags |= SDL_DOUBLEBUF; | ||
430 | flip_page = 0; | ||
431 | flip_offset[0] = 0; | ||
432 | flip_offset[1] = screenpage_len; | ||
433 | flip_address[0] = vga_getgraphmem(); | ||
434 | flip_address[1] = flip_address[0]+screenpage_len; | ||
435 | SVGA_FlipHWSurface(this,current); | ||
436 | } | ||
437 | } | ||
438 | |||
439 | /* Set the blit function */ | ||
440 | if ( banked ) { | ||
441 | this->UpdateRects = SVGA_BankedUpdate; | ||
442 | } else { | ||
443 | this->UpdateRects = SVGA_DirectUpdate; | ||
444 | } | ||
445 | |||
446 | /* Set up the mouse handler again (buggy SVGAlib 1.40) */ | ||
447 | mouse_seteventhandler(SVGA_mousecallback); | ||
448 | |||
449 | /* We're done */ | ||
450 | return(current); | ||
451 | } | ||
452 | |||
453 | /* We don't actually allow hardware surfaces other than the main one */ | ||
454 | static int SVGA_AllocHWSurface(_THIS, SDL_Surface *surface) | ||
455 | { | ||
456 | return(-1); | ||
457 | } | ||
458 | static void SVGA_FreeHWSurface(_THIS, SDL_Surface *surface) | ||
459 | { | ||
460 | return; | ||
461 | } | ||
462 | |||
463 | /* We need to wait for vertical retrace on page flipped displays */ | ||
464 | static int SVGA_LockHWSurface(_THIS, SDL_Surface *surface) | ||
465 | { | ||
466 | /* The waiting is done in SVGA_FlipHWSurface() */ | ||
467 | return(0); | ||
468 | } | ||
469 | static void SVGA_UnlockHWSurface(_THIS, SDL_Surface *surface) | ||
470 | { | ||
471 | return; | ||
472 | } | ||
473 | |||
474 | static int SVGA_FlipHWSurface(_THIS, SDL_Surface *surface) | ||
475 | { | ||
476 | if ( !banked ) { | ||
477 | vga_setdisplaystart(flip_offset[flip_page]); | ||
478 | flip_page=!flip_page; | ||
479 | surface->pixels=flip_address[flip_page]; | ||
480 | vga_waitretrace(); | ||
481 | } | ||
482 | return(0); | ||
483 | } | ||
484 | |||
485 | static void SVGA_DirectUpdate(_THIS, int numrects, SDL_Rect *rects) | ||
486 | { | ||
487 | return; | ||
488 | } | ||
489 | |||
490 | static void SVGA_BankedUpdate(_THIS, int numrects, SDL_Rect *rects) | ||
491 | { | ||
492 | int i, j; | ||
493 | SDL_Rect *rect; | ||
494 | int page, vp; | ||
495 | int x, y, w, h; | ||
496 | unsigned char *src; | ||
497 | unsigned char *dst; | ||
498 | int bpp = this->screen->format->BytesPerPixel; | ||
499 | int pitch = this->screen->pitch; | ||
500 | |||
501 | dst = vga_getgraphmem(); | ||
502 | for ( i=0; i < numrects; ++i ) { | ||
503 | rect = &rects[i]; | ||
504 | x = rect->x; | ||
505 | y = rect->y; | ||
506 | w = rect->w * bpp; | ||
507 | h = rect->h; | ||
508 | |||
509 | vp = y * pitch + x * bpp; | ||
510 | src = (unsigned char *)this->screen->pixels + vp; | ||
511 | page = vp >> 16; | ||
512 | vp &= 0xffff; | ||
513 | vga_setpage(page); | ||
514 | for (j = 0; j < h; j++) { | ||
515 | if (vp + w > 0x10000) { | ||
516 | if (vp >= 0x10000) { | ||
517 | page++; | ||
518 | vga_setpage(page); | ||
519 | vp &= 0xffff; | ||
520 | } else { | ||
521 | SDL_memcpy(dst + vp, src, 0x10000 - vp); | ||
522 | page++; | ||
523 | vga_setpage(page); | ||
524 | SDL_memcpy(dst, src + 0x10000 - vp, | ||
525 | (vp + w) & 0xffff); | ||
526 | vp = (vp + pitch) & 0xffff; | ||
527 | src += pitch; | ||
528 | continue; | ||
529 | } | ||
530 | } | ||
531 | SDL_memcpy(dst + vp, src, w); | ||
532 | src += pitch; | ||
533 | vp += pitch; | ||
534 | } | ||
535 | } | ||
536 | } | ||
537 | |||
538 | int SVGA_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | ||
539 | { | ||
540 | int i; | ||
541 | |||
542 | for(i = 0; i < ncolors; i++) { | ||
543 | vga_setpalette(firstcolor + i, | ||
544 | colors[i].r>>2, | ||
545 | colors[i].g>>2, | ||
546 | colors[i].b>>2); | ||
547 | } | ||
548 | return(1); | ||
549 | } | ||
550 | |||
551 | /* Note: If we are terminated, this could be called in the middle of | ||
552 | another SDL video routine -- notably UpdateRects. | ||
553 | */ | ||
554 | void SVGA_VideoQuit(_THIS) | ||
555 | { | ||
556 | int i, j; | ||
557 | |||
558 | /* Reset the console video mode */ | ||
559 | if ( this->screen && (this->screen->w && this->screen->h) ) { | ||
560 | vga_setmode(TEXT); | ||
561 | } | ||
562 | keyboard_close(); | ||
563 | |||
564 | /* Free video mode lists */ | ||
565 | for ( i=0; i<NUM_MODELISTS; ++i ) { | ||
566 | if ( SDL_modelist[i] != NULL ) { | ||
567 | for ( j=0; SDL_modelist[i][j]; ++j ) | ||
568 | SDL_free(SDL_modelist[i][j]); | ||
569 | SDL_free(SDL_modelist[i]); | ||
570 | SDL_modelist[i] = NULL; | ||
571 | } | ||
572 | if ( SDL_vgamode[i] != NULL ) { | ||
573 | SDL_free(SDL_vgamode[i]); | ||
574 | SDL_vgamode[i] = NULL; | ||
575 | } | ||
576 | } | ||
577 | if ( this->screen ) { | ||
578 | if ( banked && this->screen->pixels ) { | ||
579 | SDL_free(this->screen->pixels); | ||
580 | } | ||
581 | this->screen->pixels = NULL; | ||
582 | } | ||
583 | } | ||
584 | |||