1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2006 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 /*
25 * CGX based SDL video driver implementation by Gabriele Greco
26 * gabriele.greco@aruba.it
27 */
28
29 #include "SDL_endian.h"
30 #include "SDL_timer.h"
31 #include "SDL_thread.h"
32 #include "SDL_video.h"
33 #include "SDL_mouse.h"
34 #include "../SDL_sysvideo.h"
35 #include "../SDL_pixels_c.h"
36 #include "../../events/SDL_events_c.h"
37 #include "SDL_cgxgl_c.h"
38 #include "SDL_cgxvideo.h"
39 #include "SDL_cgxwm_c.h"
40 #include "SDL_amigamouse_c.h"
41 #include "SDL_amigaevents_c.h"
42 #include "SDL_cgxmodes_c.h"
43 #include "SDL_cgximage_c.h"
44
45 /* Initialization/Query functions */
46 static int CGX_VideoInit(_THIS, SDL_PixelFormat *vformat);
47 static SDL_Surface *CGX_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
48 static int CGX_ToggleFullScreen(_THIS, int on);
49 static void CGX_UpdateMouse(_THIS);
50 static int CGX_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
51 static void CGX_VideoQuit(_THIS);
52
53 /* CGX driver bootstrap functions */
54
55 struct Library *CyberGfxBase=NULL;
56 struct IntuitionBase *IntuitionBase=NULL;
57 struct GfxBase *GfxBase=NULL;
58
CGX_SetGamma(_THIS,float red,float green,float blue)59 int CGX_SetGamma(_THIS, float red, float green, float blue)
60 {
61 SDL_SetError("Gamma correction not supported");
62 return -1;
63 }
64
CGX_GetGamma(_THIS,float red,float green,float blue)65 int CGX_GetGamma(_THIS, float red, float green, float blue)
66 {
67 SDL_SetError("Gamma correction not supported");
68 return -1;
69 }
70
CGX_SetGammaRamp(_THIS,Uint16 * ramp)71 int CGX_SetGammaRamp(_THIS, Uint16 *ramp)
72 {
73 #if 0
74 Int i, ncolors;
75 XColor xcmap[256];
76
77 /* See if actually setting the gamma is supported */
78 if ( SDL_Visual->class != DirectColor ) {
79 SDL_SetError("Gamma correction not supported on this visual");
80 return(-1);
81 }
82
83 /* Calculate the appropriate palette for the given gamma ramp */
84 ncolors = SDL_Visual->map_entries;
85 for ( i=0; i<ncolors; ++i ) {
86 Uint8 c = (256 * i / ncolors);
87 xcmap[i].pixel = SDL_MapRGB(this->screen->format, c, c, c);
88 xcmap[i].red = ramp[0*256+c];
89 xcmap[i].green = ramp[1*256+c];
90 xcmap[i].blue = ramp[2*256+c];
91 xcmap[i].flags = (DoRed|DoGreen|DoBlue);
92 }
93 XStoreColors(GFX_Display, SDL_XColorMap, xcmap, ncolors);
94 XSync(GFX_Display, False);
95
96 return(0);
97
98 #else
99 SDL_SetError("Gamma correction not supported on this visual");
100 return(-1);
101
102 #endif
103 }
104
DestroyScreen(_THIS)105 static void DestroyScreen(_THIS)
106 {
107 if(currently_fullscreen)
108 {
109 if(this->hidden->dbuffer)
110 {
111 extern struct MsgPort *safeport,*dispport;
112
113 this->hidden->dbuffer=0;
114
115 if(safeport)
116 {
117 while(GetMsg(safeport)!=NULL);
118 DeleteMsgPort(safeport);
119 }
120 if(dispport)
121 {
122 while(GetMsg(dispport)!=NULL);
123 DeleteMsgPort(dispport);
124 }
125
126 this->hidden->SB[0]->sb_DBufInfo->dbi_SafeMessage.mn_ReplyPort=this->hidden->SB[0]->sb_DBufInfo->dbi_DispMessage.mn_ReplyPort=NULL;
127 this->hidden->SB[1]->sb_DBufInfo->dbi_SafeMessage.mn_ReplyPort=this->hidden->SB[1]->sb_DBufInfo->dbi_DispMessage.mn_ReplyPort=NULL;
128
129 if(this->hidden->SB[1])
130 FreeScreenBuffer(SDL_Display,this->hidden->SB[1]);
131 if(this->hidden->SB[0])
132 FreeScreenBuffer(SDL_Display,this->hidden->SB[0]);
133
134
135 this->hidden->SB[0]=this->hidden->SB[1]=NULL;
136
137 if(SDL_RastPort && SDL_RastPort != &SDL_Display->RastPort)
138 SDL_free(SDL_RastPort);
139
140 SDL_RastPort=NULL;
141 }
142 CloseScreen(GFX_Display);
143 currently_fullscreen=0;
144 }
145 else if(GFX_Display)
146 UnlockPubScreen(NULL,GFX_Display);
147
148 GFX_Display = NULL;
149 }
150
CGX_Available(void)151 static int CGX_Available(void)
152 {
153 struct Library *l;
154
155 l = OpenLibrary("cybergraphics.library",0L);
156
157 if ( l != NULL ) {
158 D(bug("CGX video device AVAILABLE\n"));
159 CloseLibrary(l);
160 }
161 D(else bug("**CGX video device UNAVAILABLE\n"));
162
163 return(l != NULL);
164 }
165
CGX_DeleteDevice(SDL_VideoDevice * device)166 static void CGX_DeleteDevice(SDL_VideoDevice *device)
167 {
168 if ( device ) {
169 if ( device->hidden ) {
170 SDL_free(device->hidden);
171 }
172 if ( device->gl_data ) {
173 SDL_free(device->gl_data);
174 }
175 SDL_free(device);
176 }
177 }
178
CGX_CreateDevice(int devindex)179 static SDL_VideoDevice *CGX_CreateDevice(int devindex)
180 {
181 SDL_VideoDevice *device;
182
183 /* Initialize all variables that we clean on shutdown */
184 device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice));
185 if ( device ) {
186 SDL_memset(device, 0, (sizeof *device));
187 device->hidden = (struct SDL_PrivateVideoData *)
188 SDL_malloc((sizeof *device->hidden));
189 device->gl_data = (struct SDL_PrivateGLData *)
190 SDL_malloc((sizeof *device->gl_data));
191 }
192 if ( (device == NULL) || (device->hidden == NULL) ||
193 (device->gl_data == NULL) ) {
194 D(bug("Unable to create video device!\n"));
195 SDL_OutOfMemory();
196 CGX_DeleteDevice(device);
197 return(0);
198 }
199 SDL_memset(device->hidden, 0, sizeof(*device->hidden));
200 SDL_memset(device->gl_data, 0, sizeof(*device->gl_data));
201
202 /* Set the driver flags */
203 device->handles_any_size = 1;
204
205 /* Set the function pointers */
206 device->VideoInit = CGX_VideoInit;
207 device->ListModes = CGX_ListModes;
208 device->SetVideoMode = CGX_SetVideoMode;
209 device->ToggleFullScreen = CGX_ToggleFullScreen;
210 device->UpdateMouse = CGX_UpdateMouse;
211 device->SetColors = CGX_SetColors;
212 device->UpdateRects = NULL;
213 device->VideoQuit = CGX_VideoQuit;
214 device->AllocHWSurface = CGX_AllocHWSurface;
215 device->CheckHWBlit = CGX_CheckHWBlit;
216 device->FillHWRect = CGX_FillHWRect;
217 device->SetHWColorKey = CGX_SetHWColorKey;
218 device->SetHWAlpha = NULL;
219 device->LockHWSurface = CGX_LockHWSurface;
220 device->UnlockHWSurface = CGX_UnlockHWSurface;
221 device->FlipHWSurface = CGX_FlipHWSurface;
222 device->FreeHWSurface = CGX_FreeHWSurface;
223 device->SetGamma = CGX_SetGamma;
224 device->GetGamma = CGX_GetGamma;
225 device->SetGammaRamp = CGX_SetGammaRamp;
226 device->GetGammaRamp = NULL;
227 #if SDL_VIDEO_OPENGL
228 device->GL_LoadLibrary = CGX_GL_LoadLibrary;
229 device->GL_GetProcAddress = CGX_GL_GetProcAddress;
230 device->GL_GetAttribute = CGX_GL_GetAttribute;
231 device->GL_MakeCurrent = CGX_GL_MakeCurrent;
232 device->GL_SwapBuffers = CGX_GL_SwapBuffers;
233 #endif
234 device->SetIcon = CGX_SetIcon;
235 device->SetCaption = CGX_SetCaption;
236 device->IconifyWindow = NULL; /* CGX_IconifyWindow; */
237 device->GrabInput = NULL /* CGX_GrabInput*/;
238 device->GetWMInfo = CGX_GetWMInfo;
239 device->FreeWMCursor = amiga_FreeWMCursor;
240 device->CreateWMCursor = amiga_CreateWMCursor;
241 device->ShowWMCursor = amiga_ShowWMCursor;
242 device->WarpWMCursor = amiga_WarpWMCursor;
243 device->CheckMouseMode = amiga_CheckMouseMode;
244 device->InitOSKeymap = amiga_InitOSKeymap;
245 device->PumpEvents = amiga_PumpEvents;
246
247 device->free = CGX_DeleteDevice;
248
249 return device;
250 }
251
252 VideoBootStrap CGX_bootstrap = {
253 "CGX", "AmigaOS CyberGraphics", CGX_Available, CGX_CreateDevice
254 };
255
MakeBitMask(_THIS,int type,int format,int * bpp)256 Uint32 MakeBitMask(_THIS,int type,int format,int *bpp)
257 {
258 D(if(type==0)bug("REAL pixel format: "));
259
260 if(this->hidden->depth==*bpp)
261 {
262
263 switch(format)
264 {
265 case PIXFMT_LUT8:
266 D(if(type==0)bug("LUT8\n"));
267 return 0;
268 case PIXFMT_BGR15:
269 case PIXFMT_RGB15PC:
270 switch(type)
271 {
272 case 0:
273 D(bug("RGB15PC/BGR15\n"));
274 return 31;
275 case 1:
276 return 992;
277 case 2:
278 return 31744;
279 }
280 case PIXFMT_RGB15:
281 case PIXFMT_BGR15PC:
282 switch(type)
283 {
284 case 0:
285 D(bug("RGB15/BGR15PC\n"));
286 return 31744;
287 case 1:
288 return 992;
289 case 2:
290 return 31;
291 }
292 case PIXFMT_BGR16PC:
293 case PIXFMT_RGB16:
294 switch(type)
295 {
296 case 0:
297 D(bug("RGB16PC\n"));
298 return 63488;
299 case 1:
300 return 2016;
301 case 2:
302 return 31;
303 }
304 case PIXFMT_BGR16:
305 case PIXFMT_RGB16PC:
306 switch(type)
307 {
308 case 0:
309 D(bug("RGB16PC/BGR16\n"));
310 return 31;
311 case 1:
312 return 2016;
313 case 2:
314 return 63488;
315 }
316
317 case PIXFMT_RGB24:
318 switch(type)
319 {
320 case 0:
321 D(bug("RGB24/BGR24\n"));
322 return 0xff0000;
323 case 1:
324 return 0xff00;
325 case 2:
326 return 0xff;
327 }
328 case PIXFMT_BGR24:
329 switch(type)
330 {
331 case 0:
332 D(bug("BGR24\n"));
333 return 0xff;
334 case 1:
335 return 0xff00;
336 case 2:
337 return 0xff0000;
338 }
339 case PIXFMT_ARGB32:
340 switch(type)
341 {
342 case 0:
343 D(bug("ARGB32\n"));
344 return 0xff0000;
345 case 1:
346 return 0xff00;
347 case 2:
348 return 0xff;
349 }
350 case PIXFMT_BGRA32:
351 switch(type)
352 {
353 case 0:
354 D(bug("BGRA32\n"));
355 return 0xff00;
356 case 1:
357 return 0xff0000;
358 case 2:
359 return 0xff000000;
360 }
361 case PIXFMT_RGBA32:
362 switch(type)
363 {
364 case 0:
365 D(bug("RGBA32\n"));
366 return 0xff000000;
367 case 1:
368 return 0xff0000;
369 case 2:
370 return 0xff00;
371 }
372 default:
373 D(bug("Unknown pixel format! Default to 24bit\n"));
374 return (Uint32) (255<<(type*8));
375 }
376 }
377 else
378 {
379 D(if(type==0)bug("DIFFERENT from screen.\nAllocated screen format: "));
380
381 switch(*bpp)
382 {
383 case 32:
384 D(if(type==0) bug("RGBA32\n"));
385 switch(type)
386 {
387 case 0:
388 return 0xff000000;
389 case 1:
390 return 0xff0000;
391 case 2:
392 return 0xff00;
393 }
394 break;
395 case 24:
396 use_truecolor:
397 switch(type)
398 {
399 case 0:
400 D(bug("RGB24\n"));
401 return 0xff0000;
402 case 1:
403 return 0xff00;
404 case 2:
405 return 0xff;
406 }
407 case 16:
408 case 15:
409 D(if(type==0) bug("Not supported, switching to 24bit!\n"));
410 *bpp=24;
411 goto use_truecolor;
412 break;
413 default:
414 D(if(type==0)bug("This is a chunky display\n"));
415 // For chunky display mask is always 0;
416 return 0;
417 }
418 }
419 return 0;
420 }
421
CGX_VideoInit(_THIS,SDL_PixelFormat * vformat)422 static int CGX_VideoInit(_THIS, SDL_PixelFormat *vformat)
423 {
424 int i;
425 struct Library *RTGBase;
426
427 D(bug("VideoInit... Opening libraries\n"));
428
429 if(!IntuitionBase) {
430 if( !(IntuitionBase=(struct IntuitionBase *)OpenLibrary("intuition.library",39L))) {
431 SDL_SetError("Couldn't open intuition V39+");
432 return -1;
433 }
434 }
435
436 if(!GfxBase) {
437 if( !(GfxBase=(struct GfxBase *)OpenLibrary("graphics.library",39L))) {
438 SDL_SetError("Couldn't open graphics V39+");
439 return -1;
440 }
441 }
442
443 if(!CyberGfxBase) {
444 if( !(CyberGfxBase=OpenLibrary("cybergraphics.library",40L))) {
445 SDL_SetError("Couldn't open cybergraphics.");
446 return(-1);
447 }
448 }
449
450 if(RTGBase=OpenLibrary("libs:picasso96/rtg.library",0L)) {
451 extern int use_picasso96;
452
453 CloseLibrary(RTGBase);
454 use_picasso96=1;
455 }
456
457 D(bug("Library intialized, locking screen...\n"));
458
459 SDL_Display = LockPubScreen(NULL);
460
461 if ( SDL_Display == NULL ) {
462 D(bug("Cannot lock display...\n"));
463 SDL_SetError("Couldn't lock the display");
464 return(-1);
465 }
466 this->info.current_w = SDL_Display->Width;
467 this->info.current_h = SDL_Display->Height;
468
469 D(bug("Checking if we are using a CGX native display...\n"));
470
471 if(!IsCyberModeID(GetVPModeID(&SDL_Display->ViewPort)))
472 {
473 Uint32 okid=BestCModeIDTags(CYBRBIDTG_NominalWidth,SDL_Display->Width,
474 CYBRBIDTG_NominalHeight,SDL_Display->Height,
475 CYBRBIDTG_Depth,8,
476 TAG_DONE);
477
478 D(bug("Default visual is not CGX native!\n"));
479
480 UnlockPubScreen(NULL,SDL_Display);
481
482 GFX_Display=NULL;
483
484 if(okid!=INVALID_ID)
485 {
486 GFX_Display=OpenScreenTags(NULL,
487 SA_Width,SDL_Display->Width,
488 SA_Height,SDL_Display->Height,
489 SA_Depth,8,SA_Quiet,TRUE,
490 SA_ShowTitle,FALSE,
491 SA_DisplayID,okid,
492 TAG_DONE);
493 }
494
495 if(!GFX_Display)
496 {
497 SDL_SetError("Unable to open a suited CGX display");
498 return -1;
499 }
500 else SDL_Display=GFX_Display;
501
502 }
503 else GFX_Display = SDL_Display;
504
505
506 /* See whether or not we need to swap pixels */
507
508 swap_pixels = 0;
509
510 // Non e' detto che sia cosi' pero', alcune schede potrebbero gestire i modi in modo differente
511
512 if ( SDL_BYTEORDER == SDL_LIL_ENDIAN ) {
513 swap_pixels = 1;
514 }
515
516 D(bug("Before GetVideoModes....\n"));
517
518 /* Get the available video modes */
519 if(CGX_GetVideoModes(this) < 0)
520 return -1;
521
522 /* Determine the default screen depth:
523 Use the default visual (or at least one with the same depth) */
524
525 for(i = 0; i < this->hidden->nvisuals; i++)
526 if(this->hidden->visuals[i].depth == GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH))
527 break;
528 if(i == this->hidden->nvisuals) {
529 /* default visual was useless, take the deepest one instead */
530 i = 0;
531 }
532 SDL_Visual = this->hidden->visuals[i].visual;
533
534 // SDL_XColorMap = SDL_DisplayColormap;
535
536 this->hidden->depth = this->hidden->visuals[i].depth;
537 D(bug("Init: Setting screen depth to: %ld\n",this->hidden->depth));
538 vformat->BitsPerPixel = this->hidden->visuals[i].depth; /* this->hidden->visuals[i].bpp; */
539
540 {
541 int form;
542 APTR handle;
543 struct DisplayInfo info;
544
545 if(!(handle=FindDisplayInfo(this->hidden->visuals[i].visual)))
546 {
547 D(bug("Unable to get visual info...\n"));
548 return -1;
549 }
550
551 if(!GetDisplayInfoData(handle,(char *)&info,sizeof(struct DisplayInfo),DTAG_DISP,NULL)) {
552 D(bug("Unable to get visual info data...\n"));
553 return -1;
554 }
555
556 form=GetCyberIDAttr(CYBRIDATTR_PIXFMT,SDL_Visual);
557
558 // In this case I use makebitmask in a way that I'm sure I'll get PIXFMT pixel mask
559
560 if ( vformat->BitsPerPixel > 8 )
561 {
562 vformat->Rmask = MakeBitMask(this,0,form,&this->hidden->depth);
563 vformat->Gmask = MakeBitMask(this,1,form,&this->hidden->depth);
564 vformat->Bmask = MakeBitMask(this,2,form,&this->hidden->depth);
565 }
566 }
567
568 /* See if we have been passed a window to use */
569 /* SDL_windowid = SDL_getenv("SDL_WINDOWID"); */
570 SDL_windowid=NULL;
571
572 /* Create the blank cursor */
573 SDL_BlankCursor = AllocMem(16,MEMF_CHIP|MEMF_CLEAR);
574
575 /* Fill in some window manager capabilities */
576 this->info.wm_available = 1;
577 this->info.blit_hw = 1;
578 this->info.blit_hw_CC = 1;
579 this->info.blit_sw = 1;
580 this->info.blit_fill = 1;
581 this->info.video_mem=2000000; // Not always true but almost any Amiga card has this memory!
582
583 this->hidden->same_format=0;
584 SDL_RastPort=&SDL_Display->RastPort;
585 /* We're done! */
586 D(bug("End of CGX_VideoInit\n"));
587
588 return(0);
589 }
590
CGX_DestroyWindow(_THIS,SDL_Surface * screen)591 void CGX_DestroyWindow(_THIS, SDL_Surface *screen)
592 {
593 D(bug("Destroy Window...\n"));
594
595 if ( ! SDL_windowid ) {
596 /* Hide the managed window */
597 int was_fullscreen=0;
598
599 /* Clean up OpenGL */
600 if ( screen ) {
601 screen->flags &= ~(SDL_OPENGL|SDL_OPENGLBLIT);
602 }
603
604 if ( screen && (screen->flags & SDL_FULLSCREEN) ) {
605 was_fullscreen=1;
606 screen->flags &= ~SDL_FULLSCREEN;
607 // CGX_LeaveFullScreen(this); tolto x crash
608 }
609
610 /* Destroy the output window */
611 if ( SDL_Window ) {
612 CloseWindow(SDL_Window);
613 SDL_Window=NULL;
614 }
615
616 /* Free the colormap entries */
617 if ( SDL_XPixels ) {
618 int numcolors;
619 unsigned long pixel;
620
621 if(this->screen->format&&this->hidden->depth==8&&!was_fullscreen)
622 {
623 numcolors = 1<<this->screen->format->BitsPerPixel;
624
625 if(numcolors>256)
626 numcolors=256;
627
628 if(!was_fullscreen&&this->hidden->depth==8)
629 {
630 for ( pixel=0; pixel<numcolors; pixel++ )
631 {
632 if(SDL_XPixels[pixel]>=0)
633 ReleasePen(GFX_Display->ViewPort.ColorMap,SDL_XPixels[pixel]);
634 }
635 }
636 }
637 SDL_free(SDL_XPixels);
638 SDL_XPixels = NULL;
639 }
640 }
641 }
642
CGX_SetSizeHints(_THIS,int w,int h,Uint32 flags)643 static void CGX_SetSizeHints(_THIS, int w, int h, Uint32 flags)
644 {
645 if ( flags & SDL_RESIZABLE ) {
646 WindowLimits(SDL_Window, 32, 32,4096,4096);
647 } else {
648 WindowLimits(SDL_Window, w,h,w,h);
649 }
650 if ( flags & SDL_FULLSCREEN ) {
651 flags&=~SDL_RESIZABLE;
652 } else if ( SDL_getenv("SDL_VIDEO_CENTERED") ) {
653 int display_w, display_h;
654
655 display_w = SDL_Display->Width;
656 display_h = SDL_Display->Height;
657 ChangeWindowBox(SDL_Window,(display_w - w - SDL_Window->BorderLeft-SDL_Window->BorderRight)/2,
658 (display_h - h - SDL_Window->BorderTop-SDL_Window->BorderBottom)/2,
659 w+SDL_Window->BorderLeft+SDL_Window->BorderRight,
660 h+SDL_Window->BorderTop+SDL_Window->BorderBottom);
661 }
662 }
663
CGX_CreateWindow(_THIS,SDL_Surface * screen,int w,int h,int bpp,Uint32 flags)664 int CGX_CreateWindow(_THIS, SDL_Surface *screen,
665 int w, int h, int bpp, Uint32 flags)
666 {
667 #if 0
668 int i, depth;
669 Uint32 vis;
670 #endif
671 D(bug("CGX_CreateWindow\n"));
672
673 /* If a window is already present, destroy it and start fresh */
674 if ( SDL_Window ) {
675 CGX_DestroyWindow(this, screen);
676 }
677
678 /* See if we have been given a window id */
679 if ( SDL_windowid ) {
680 SDL_Window = (struct Window *)atol(SDL_windowid);
681 } else {
682 SDL_Window = 0;
683 }
684
685 /* find out which visual we are going to use */
686 #if 0
687 /* questo l'ho spostato nell'apertura dello schermo, in quanto su Amiga le finestre
688 hanno il pixel mode degli schermi.
689 */
690 /*if ( flags & SDL_OPENGL ) {
691 SDL_SetError("OpenGL not supported by the Amiga SDL!");
692 return -1;
693 }
694 else {*/
695 for ( i = 0; i < this->hidden->nvisuals; i++ ) {
696 if ( this->hidden->visuals[i].depth == bpp ) /* era .depth */
697 break;
698 }
699 if ( i == this->hidden->nvisuals ) {
700 SDL_SetError("No matching visual for requested depth");
701 return -1; /* should never happen */
702 }
703 vis = this->hidden->visuals[i].visual;
704 depth = this->hidden->visuals[i].depth;
705 // }
706 SDL_Visual = vis;
707 this->hidden->depth = depth;
708 D(bug("Setting screen depth to: %ld\n",this->hidden->depth));
709 #endif
710
711 /* Allocate the new pixel format for this video mode */
712 {
713 Uint32 form;
714 APTR handle;
715 struct DisplayInfo info;
716
717 if(!(handle=FindDisplayInfo(SDL_Visual)))
718 return -1;
719
720 if(!GetDisplayInfoData(handle,(char *)&info,sizeof(struct DisplayInfo),DTAG_DISP,NULL))
721 return -1;
722
723 form=GetCyberIDAttr(CYBRIDATTR_PIXFMT,SDL_Visual);
724
725 if(flags&SDL_HWSURFACE)
726 {
727 if(bpp!=this->hidden->depth)
728 {
729 bpp=this->hidden->depth;
730 D(bug("Accel forces bpp to be equal (%ld)\n",bpp));
731 }
732 }
733
734 D(bug("BEFORE screen allocation: bpp:%ld (real:%ld)\n",bpp,this->hidden->depth));
735
736 /* With this call if needed I'll revert the wanted bpp to a bpp best suited for the display, actually occurs
737 only with requested format 15/16bit and display format != 15/16bit
738 */
739
740 if ( ! SDL_ReallocFormat(screen, bpp,
741 MakeBitMask(this,0,form,&bpp), MakeBitMask(this,1,form,&bpp), MakeBitMask(this,2,form,&bpp), 0) )
742 return -1;
743
744 D(bug("AFTER screen allocation: bpp:%ld (real:%ld)\n",bpp,this->hidden->depth));
745
746 }
747
748 /* Create the appropriate colormap */
749 /*
750 if ( SDL_XColorMap != SDL_DisplayColormap ) {
751 XFreeColormap(SDL_Display, SDL_XColorMap);
752 }
753 */
754 if ( GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_PIXFMT)==PIXFMT_LUT8 || bpp==8 ) {
755 int ncolors,i;
756 D(bug("XPixels palette allocation...\n"));
757
758 /* Allocate the pixel flags */
759
760 if(bpp==8)
761 ncolors=256;
762 else
763 ncolors = 1 << screen->format->BitsPerPixel;
764
765 SDL_XPixels = (Sint32 *)SDL_malloc(ncolors * sizeof(Sint32));
766
767 if(SDL_XPixels == NULL) {
768 SDL_OutOfMemory();
769 return -1;
770 }
771
772
773 for(i=0;i<ncolors;i++)
774 SDL_XPixels[i]=-1;
775
776 /* always allocate a private colormap on non-default visuals */
777 if(bpp==8)
778 flags |= SDL_HWPALETTE;
779
780 if ( flags & SDL_HWPALETTE )
781 screen->flags |= SDL_HWPALETTE;
782 }
783
784 /* resize the (possibly new) window manager window */
785
786 /* Create (or use) the X11 display window */
787
788 if ( !SDL_windowid ) {
789 if( flags & SDL_FULLSCREEN )
790 {
791 SDL_Window = OpenWindowTags(NULL,WA_Width,w,WA_Height,h,
792 WA_Flags,WFLG_ACTIVATE|WFLG_RMBTRAP|WFLG_BORDERLESS|WFLG_BACKDROP|WFLG_REPORTMOUSE,
793 WA_IDCMP,IDCMP_RAWKEY|IDCMP_MOUSEBUTTONS|IDCMP_MOUSEMOVE,
794 WA_CustomScreen,(ULONG)SDL_Display,
795 TAG_DONE);
796
797 D(bug("Opening backdrop window %ldx%ld on display %lx!\n",w,h,SDL_Display));
798 }
799 else
800 {
801 /* Create GimmeZeroZero window when OpenGL is used */
802 unsigned long gzz = FALSE;
803 if( flags & SDL_OPENGL ) {
804 gzz = TRUE;
805 }
806
807 SDL_Window = OpenWindowTags(NULL,WA_InnerWidth,w,WA_InnerHeight,h,
808 WA_Flags,WFLG_REPORTMOUSE|WFLG_ACTIVATE|WFLG_RMBTRAP | ((flags&SDL_NOFRAME) ? 0 : (WFLG_DEPTHGADGET|WFLG_CLOSEGADGET|WFLG_DRAGBAR | ((flags&SDL_RESIZABLE) ? WFLG_SIZEGADGET|WFLG_SIZEBBOTTOM : 0))),
809 WA_IDCMP,IDCMP_RAWKEY|IDCMP_CLOSEWINDOW|IDCMP_MOUSEBUTTONS|IDCMP_NEWSIZE|IDCMP_MOUSEMOVE,
810 WA_PubScreen,(ULONG)SDL_Display,
811 WA_GimmeZeroZero, gzz,
812 TAG_DONE);
813 D(bug("Opening WB window of size: %ldx%ld!\n",w,h));
814 }
815
816 if(!SDL_Window)
817 return -1;
818 }
819
820 this->hidden->BytesPerPixel=GetCyberMapAttr(SDL_Window->RPort->BitMap,CYBRMATTR_BPPIX);
821
822 if(screen->flags & SDL_DOUBLEBUF)
823 {
824 if(SDL_RastPort=SDL_malloc(sizeof(struct RastPort)))
825 {
826 InitRastPort(SDL_RastPort);
827 SDL_RastPort->BitMap=this->hidden->SB[1]->sb_BitMap;
828 }
829 else
830 return -1;
831 }
832 else SDL_RastPort=SDL_Window->RPort;
833
834 if(flags&SDL_HWSURFACE)
835 screen->flags|=SDL_HWSURFACE;
836
837 if( !SDL_windowid ) {
838 CGX_SetSizeHints(this, w, h, flags);
839 }
840
841 /* Set our colormaps when not setting a GL mode */
842 /*
843 if ( ! (flags & SDL_OPENGL) ) {
844 XSetWindowColormap(SDL_Display, SDL_Window, SDL_XColorMap);
845 }
846 */
847
848 /* Map them both and go fullscreen, if requested */
849 if ( ! SDL_windowid ) {
850 if ( flags & SDL_FULLSCREEN ) {
851 screen->flags |= SDL_FULLSCREEN;
852 currently_fullscreen=1;
853 // CGX_EnterFullScreen(this); Ci siamo gia'!
854 } else {
855 screen->flags &= ~SDL_FULLSCREEN;
856 }
857 }
858 screen->w = w;
859 screen->h = h;
860 screen->pitch = SDL_CalculatePitch(screen);
861 CGX_ResizeImage(this, screen, flags);
862
863 /* Make OpenGL Context if needed*/
864 if(flags & SDL_OPENGL) {
865 if(this->gl_data->gl_active == 0) {
866 if(CGX_GL_Init(this) < 0)
867 return -1;
868 else
869 screen->flags |= SDL_OPENGL;
870 }
871 else {
872 if(CGX_GL_Update(this) < 0)
873 return -1;
874 else
875 screen->flags |= SDL_OPENGL;
876 }
877 }
878 }
879
CGX_ResizeWindow(_THIS,SDL_Surface * screen,int w,int h,Uint32 flags)880 int CGX_ResizeWindow(_THIS,
881 SDL_Surface *screen, int w, int h, Uint32 flags)
882 {
883 D(bug("CGX_ResizeWindow\n"));
884
885 if ( ! SDL_windowid ) {
886 /* Resize the window manager window */
887 CGX_SetSizeHints(this, w, h, flags);
888
889 ChangeWindowBox(SDL_Window,SDL_Window->LeftEdge,SDL_Window->TopEdge, w+SDL_Window->BorderLeft+SDL_Window->BorderRight,
890 h+SDL_Window->BorderTop+SDL_Window->BorderBottom);
891
892 screen->w = w;
893 screen->h = h;
894 screen->pitch = SDL_CalculatePitch(screen);
895 CGX_ResizeImage(this, screen, flags);
896 }
897 return(0);
898 }
899
CGX_SetVideoMode(_THIS,SDL_Surface * current,int width,int height,int bpp,Uint32 flags)900 static SDL_Surface *CGX_SetVideoMode(_THIS, SDL_Surface *current,
901 int width, int height, int bpp, Uint32 flags)
902 {
903 Uint32 saved_flags;
904 int needcreate=0;
905
906 D(bug("CGX_SetVideoMode current:%lx\n",current));
907
908 /* Lock the event thread, in multi-threading environments */
909 SDL_Lock_EventThread();
910
911 // Check if the window needs to be closed or can be resized
912
913 if( (flags&SDL_FULLSCREEN) || (current && current->flags&SDL_FULLSCREEN && !(flags&SDL_FULLSCREEN)))
914 needcreate=1;
915
916 // Check if we need to close an already existing videomode...
917
918 if(current && current->flags&SDL_FULLSCREEN && !(flags&SDL_FULLSCREEN)) {
919 unsigned long i;
920 D(bug("Destroying image, window & screen!\n"));
921
922 CGX_DestroyImage(this,current);
923 CGX_DestroyWindow(this,current);
924 DestroyScreen(this);
925 GFX_Display=SDL_Display=LockPubScreen(NULL);
926
927 bpp=this->hidden->depth=GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH);
928
929 for ( i = 0; i < this->hidden->nvisuals; i++ ) {
930 if ( this->hidden->visuals[i].depth == bpp ) /* era .depth */
931 break;
932 }
933 if ( i == this->hidden->nvisuals ) {
934 SDL_SetError("No matching visual for requested depth");
935 return NULL; /* should never happen */
936 }
937 SDL_Visual = this->hidden->visuals[i].visual;
938
939 D(bug("Setting screen depth to: %ld\n",this->hidden->depth));
940
941 }
942 /* Check the combination of flags we were passed */
943 if ( flags & SDL_FULLSCREEN ) {
944 int i;
945
946 /* Clear fullscreen flag if not supported */
947 if ( SDL_windowid ) {
948 flags &= ~SDL_FULLSCREEN;
949 }
950 else if(current && current->flags&SDL_FULLSCREEN ) {
951 if(current->w!=width ||
952 current->h!=height ||
953 (this->hidden && this->hidden->depth!=bpp))
954 {
955 D(bug("Deleting previous window...\n"));
956 CGX_DestroyImage(this,current);
957 CGX_DestroyWindow(this,current);
958 DestroyScreen(this);
959 goto buildnewscreen;
960 }
961 }
962 else
963 buildnewscreen:
964 {
965 Uint32 okid=BestCModeIDTags(CYBRBIDTG_NominalWidth,width,
966 CYBRBIDTG_NominalHeight,height,
967 CYBRBIDTG_Depth,bpp,
968 TAG_DONE);
969
970 GFX_Display=NULL;
971
972 D(bug("Opening screen...\n"));
973
974 if(okid!=INVALID_ID)
975 GFX_Display=OpenScreenTags(NULL,
976 SA_Width,width,
977 SA_Height,height,
978 SA_Quiet,TRUE,SA_ShowTitle,FALSE,
979 SA_Depth,bpp,
980 SA_DisplayID,okid,
981 TAG_DONE);
982
983 if(!GFX_Display) {
984 GFX_Display=SDL_Display;
985 flags &= ~SDL_FULLSCREEN;
986 flags &= ~SDL_DOUBLEBUF;
987 }
988 else {
989 UnlockPubScreen(NULL,SDL_Display);
990 SDL_Display=GFX_Display;
991
992 D(bug("Screen opened.\n"));
993
994 if(flags&SDL_DOUBLEBUF) {
995 int ok=0;
996 D(bug("Start of DBuffering allocations...\n"));
997
998 if(this->hidden->SB[0]=AllocScreenBuffer(SDL_Display,NULL,SB_SCREEN_BITMAP)) {
999
1000 if(this->hidden->SB[1]=AllocScreenBuffer(SDL_Display,NULL,0L)) {
1001 extern struct MsgPort *safeport,*dispport;
1002
1003 safeport=CreateMsgPort();
1004 dispport=CreateMsgPort();
1005
1006 if(!safeport || !dispport) {
1007 if(safeport) {
1008 DeleteMsgPort(safeport);
1009 safeport=NULL;
1010 }
1011 if(dispport) {
1012 DeleteMsgPort(dispport);
1013 dispport=NULL;
1014 }
1015 FreeScreenBuffer(SDL_Display,this->hidden->SB[0]);
1016 FreeScreenBuffer(SDL_Display,this->hidden->SB[1]);
1017 }
1018 else {
1019 extern ULONG safe_sigbit,disp_sigbit;
1020 int i;
1021
1022 safe_sigbit=1L<< safeport->mp_SigBit;
1023 disp_sigbit=1L<< dispport->mp_SigBit;
1024
1025 for(i=0;i<2;i++) {
1026 this->hidden->SB[i]->sb_DBufInfo->dbi_SafeMessage.mn_ReplyPort=safeport;
1027 this->hidden->SB[i]->sb_DBufInfo->dbi_DispMessage.mn_ReplyPort=dispport;
1028 }
1029
1030 ok=1;
1031 D(bug("Dbuffering enabled!\n"));
1032 this->hidden->dbuffer=1;
1033 current->flags|=SDL_DOUBLEBUF;
1034 }
1035 }
1036 else {
1037 FreeScreenBuffer(SDL_Display,this->hidden->SB[1]);
1038 this->hidden->SB[0]=NULL;
1039 }
1040 }
1041
1042 if(!ok)
1043 flags&=~SDL_DOUBLEBUF;
1044 }
1045 }
1046
1047 if(GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH)==bpp)
1048 this->hidden->same_format=1;
1049 }
1050
1051 bpp=this->hidden->depth=GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH);
1052 D(bug("Setting screen depth to: %ld\n",this->hidden->depth));
1053
1054 for ( i = 0; i < this->hidden->nvisuals; i++ )
1055 if ( this->hidden->visuals[i].depth == bpp ) /* era .depth */
1056 break;
1057
1058 if ( i == this->hidden->nvisuals ) {
1059 SDL_SetError("No matching visual for requested depth");
1060 return NULL; /* should never happen */
1061 }
1062 SDL_Visual = this->hidden->visuals[i].visual;
1063
1064 }
1065
1066 /* Set up the X11 window */
1067 saved_flags = current->flags;
1068
1069 if (SDL_Window && (saved_flags&SDL_OPENGL) == (flags&SDL_OPENGL)
1070 && bpp == current->format->BitsPerPixel && !needcreate) {
1071 if (CGX_ResizeWindow(this, current, width, height, flags) < 0) {
1072 current = NULL;
1073 goto done;
1074 }
1075 } else {
1076 if (CGX_CreateWindow(this,current,width,height,bpp,flags) < 0) {
1077 current = NULL;
1078 goto done;
1079 }
1080 }
1081
1082 #if 0
1083 /* Set up the new mode framebuffer */
1084 if ( ((current->w != width) || (current->h != height)) ||
1085 ((saved_flags&SDL_OPENGL) != (flags&SDL_OPENGL)) ) {
1086 current->w = width;
1087 current->h = height;
1088 current->pitch = SDL_CalculatePitch(current);
1089 CGX_ResizeImage(this, current, flags);
1090 }
1091 #endif
1092
1093 current->flags |= (flags&SDL_RESIZABLE); // Resizable only if the user asked it
1094
1095 done:
1096 /* Release the event thread */
1097 SDL_Unlock_EventThread();
1098
1099 /* We're done! */
1100 return(current);
1101 }
1102
CGX_ToggleFullScreen(_THIS,int on)1103 static int CGX_ToggleFullScreen(_THIS, int on)
1104 {
1105 Uint32 event_thread;
1106
1107 /* Don't switch if we don't own the window */
1108 if ( SDL_windowid ) {
1109 return(0);
1110 }
1111
1112 /* Don't lock if we are the event thread */
1113 event_thread = SDL_EventThreadID();
1114 if ( event_thread && (SDL_ThreadID() == event_thread) ) {
1115 event_thread = 0;
1116 }
1117 if ( event_thread ) {
1118 SDL_Lock_EventThread();
1119 }
1120 if ( on ) {
1121 this->screen->flags |= SDL_FULLSCREEN;
1122 CGX_EnterFullScreen(this);
1123 } else {
1124 this->screen->flags &= ~SDL_FULLSCREEN;
1125 CGX_LeaveFullScreen(this);
1126 }
1127
1128 CGX_RefreshDisplay(this);
1129 if ( event_thread ) {
1130 SDL_Unlock_EventThread();
1131 }
1132
1133 SDL_ResetKeyboard();
1134
1135 return(1);
1136 }
1137
SetSingleColor(Uint32 fmt,unsigned char r,unsigned char g,unsigned char b,unsigned char * c)1138 static void SetSingleColor(Uint32 fmt, unsigned char r, unsigned char g, unsigned char b, unsigned char *c)
1139 {
1140 switch(fmt)
1141 {
1142 case PIXFMT_BGR15:
1143 case PIXFMT_RGB15PC:
1144 {
1145 Uint16 *t=(Uint16 *)c;
1146 *t=(r>>3) | ((g>>3)<<5) | ((b>>3)<<10) ;
1147 }
1148 break;
1149 case PIXFMT_RGB15:
1150 case PIXFMT_BGR15PC:
1151 {
1152 Uint16 *t=(Uint16 *)c;
1153 *t=(b>>3) | ((g>>3)<<5) | ((r>>3)<<10) ;
1154 }
1155 break;
1156 case PIXFMT_BGR16PC:
1157 case PIXFMT_RGB16:
1158 {
1159 Uint16 *t=(Uint16 *)c;
1160 *t=(b>>3) | ((g>>2)<<5) | ((r>>3)<<11) ;
1161 }
1162 break;
1163 case PIXFMT_BGR16:
1164 case PIXFMT_RGB16PC:
1165 {
1166 Uint16 *t=(Uint16 *)c;
1167 *t=(r>>3) | ((g>>2)<<5) | ((b>>3)<<11) ;
1168 }
1169 break;
1170 case PIXFMT_RGB24:
1171 c[0]=r;
1172 c[1]=g;
1173 c[2]=b;
1174 c[3]=0;
1175 break;
1176 case PIXFMT_BGR24:
1177 c[0]=b;
1178 c[1]=g;
1179 c[2]=r;
1180 c[3]=0;
1181 break;
1182 case PIXFMT_ARGB32:
1183 c[0]=0;
1184 c[1]=r;
1185 c[2]=g;
1186 c[3]=b;
1187 break;
1188 case PIXFMT_BGRA32:
1189 c[0]=b;
1190 c[1]=g;
1191 c[2]=r;
1192 c[3]=0;
1193 break;
1194 case PIXFMT_RGBA32:
1195 c[0]=r;
1196 c[1]=g;
1197 c[2]=b;
1198 c[3]=0;
1199 break;
1200
1201 default:
1202 D(bug("Error, SetSingleColor with PIXFMT %ld!\n",fmt));
1203 }
1204 }
1205
1206 /* Update the current mouse state and position */
CGX_UpdateMouse(_THIS)1207 static void CGX_UpdateMouse(_THIS)
1208 {
1209 /* Lock the event thread, in multi-threading environments */
1210 SDL_Lock_EventThread();
1211
1212 if(currently_fullscreen)
1213 {
1214 SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
1215 SDL_PrivateMouseMotion(0, 0, SDL_Display->MouseX, SDL_Display->MouseY);
1216 }
1217 else
1218 {
1219 if( SDL_Display->MouseX>=(SDL_Window->LeftEdge+SDL_Window->BorderLeft) && SDL_Display->MouseX<(SDL_Window->LeftEdge+SDL_Window->Width-SDL_Window->BorderRight) &&
1220 SDL_Display->MouseY>=(SDL_Window->TopEdge+SDL_Window->BorderLeft) && SDL_Display->MouseY<(SDL_Window->TopEdge+SDL_Window->Height-SDL_Window->BorderBottom)
1221 )
1222 {
1223 SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
1224 SDL_PrivateMouseMotion(0, 0, SDL_Display->MouseX-SDL_Window->LeftEdge-SDL_Window->BorderLeft,
1225 SDL_Display->MouseY-SDL_Window->TopEdge-SDL_Window->BorderTop);
1226 }
1227 else
1228 {
1229 SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
1230 }
1231 }
1232 SDL_Unlock_EventThread();
1233 }
1234
CGX_SetColors(_THIS,int firstcolor,int ncolors,SDL_Color * colors)1235 static int CGX_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
1236 {
1237 int i;
1238
1239 /* Check to make sure we have a colormap allocated */
1240
1241 /* It's easy if we have a hidden colormap */
1242 if ( (this->screen->flags & SDL_HWPALETTE) && currently_fullscreen )
1243 {
1244 ULONG xcmap[256*3+2];
1245
1246 xcmap[0]=(ncolors<<16);
1247 xcmap[0]+=firstcolor;
1248
1249 // D(bug("Setting %ld colors on an HWPALETTE screen\n",ncolors));
1250
1251 for ( i=0; i<ncolors; i++ ) {
1252 xcmap[i*3+1] = colors[i+firstcolor].r<<24;
1253 xcmap[i*3+2] = colors[i+firstcolor].g<<24;
1254 xcmap[i*3+3] = colors[i+firstcolor].b<<24;
1255 }
1256 xcmap[ncolors*3+1]=0;
1257 LoadRGB32(&GFX_Display->ViewPort,xcmap);
1258 } else {
1259 // XPixels are not needed on 8bit screen with hwpalette
1260 unsigned long pixel;
1261
1262 if ( SDL_XPixels == NULL ) {
1263 D(bug("SetColors without colormap!"));
1264 return(0);
1265 }
1266
1267 if(this->hidden->depth==8)
1268 {
1269 // In this case I have to unalloc and realloc the full palette
1270 D(bug("Obtaining %ld colors on the screen\n",ncolors));
1271
1272 /* Free existing allocated colors */
1273 for ( pixel=0; pixel<this->screen->format->palette->ncolors; ++pixel ) {
1274 if(SDL_XPixels[pixel]>=0)
1275 ReleasePen(GFX_Display->ViewPort.ColorMap,SDL_XPixels[pixel]);
1276 }
1277
1278 /* Try to allocate all the colors */
1279 for ( i=0; i<this->screen->format->palette->ncolors; ++i ) {
1280 SDL_XPixels[i]=ObtainBestPenA(GFX_Display->ViewPort.ColorMap,colors[i].r<<24,colors[i].g<<24,colors[i].b<<24,NULL);
1281 }
1282 }
1283 else
1284 {
1285 #ifndef USE_CGX_WRITELUTPIXEL
1286 Uint32 fmt;
1287 D(bug("Preparing a conversion pixel table...\n"));
1288
1289 fmt=GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_PIXFMT);
1290
1291 for(i=0;i<ncolors;i++)
1292 {
1293 SetSingleColor(fmt,colors[firstcolor+i].r,colors[firstcolor+i].g,colors[firstcolor+i].b,(unsigned char *)&SDL_XPixels[firstcolor+i]);
1294 }
1295 #else
1296 // D(bug("Executing XPixel(%lx) remapping: (from %ld, %ld colors) first: r%ld g%ld b%ld\n",SDL_XPixels,firstcolor,ncolors,colors[firstcolor].r,colors[firstcolor].g,colors[firstcolor].b));
1297 for(i=0;i<ncolors;i++)
1298 SDL_XPixels[i+firstcolor]=(colors[firstcolor+i].r<<16)+(colors[firstcolor+i].g<<8)+colors[firstcolor+i].b;
1299 #endif
1300 }
1301 }
1302
1303 // Actually it cannot fail!
1304
1305 return 1;
1306 }
1307
1308 /* Note: If we are terminated, this could be called in the middle of
1309 another SDL video routine -- notably UpdateRects.
1310 */
CGX_VideoQuit(_THIS)1311 static void CGX_VideoQuit(_THIS)
1312 {
1313 /* Shutdown everything that's still up */
1314 /* The event thread should be done, so we can touch SDL_Display */
1315 D(bug("CGX_VideoQuit\n"));
1316
1317 if ( SDL_Display != NULL ) {
1318 /* Clean up OpenGL */
1319 if(this->gl_data->gl_active == 1) {
1320 CGX_GL_Quit(this);
1321 }
1322 /* Start shutting down the windows */
1323 D(bug("Destroying image...\n"));
1324 CGX_DestroyImage(this, this->screen);
1325 D(bug("Destroying window...\n"));
1326 CGX_DestroyWindow(this, this->screen);
1327 // Otherwise SDL_VideoQuit will try to free it!
1328 SDL_VideoSurface=NULL;
1329
1330 CGX_FreeVideoModes(this);
1331
1332 /* Free that blank cursor */
1333 if ( SDL_BlankCursor != NULL ) {
1334 FreeMem(SDL_BlankCursor,16);
1335 SDL_BlankCursor = NULL;
1336 }
1337
1338 /* Close the X11 graphics connection */
1339 this->hidden->same_format=0;
1340
1341 D(bug("Destroying screen...\n"));
1342
1343 if ( GFX_Display != NULL )
1344 DestroyScreen(this);
1345
1346 /* Close the X11 display connection */
1347 SDL_Display = NULL;
1348
1349 /* Unload GL library after X11 shuts down */
1350 }
1351
1352 D(bug("Closing libraries...\n"));
1353
1354 if( CyberGfxBase) {
1355 CloseLibrary(CyberGfxBase);
1356 CyberGfxBase=NULL;
1357 }
1358
1359 if (IntuitionBase) {
1360 CloseLibrary((struct Library *)IntuitionBase);
1361 IntuitionBase=NULL;
1362 }
1363 if (GfxBase) {
1364 CloseLibrary((struct Library *)GfxBase);
1365 GfxBase=NULL;
1366 }
1367
1368 if ( this->screen && (this->screen->flags & SDL_HWSURFACE) ) {
1369 /* Direct screen access, no memory buffer */
1370 this->screen->pixels = NULL;
1371 }
1372 D(bug("End of CGX_VideoQuit.\n"));
1373
1374 }
1375
1376