/
SDL_cgxvideo.c
1377 lines (1165 loc) · 33.5 KB
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
11
12
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13
Lesser General Public License for more details.
14
15
16
17
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
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
26
27
/*
* CGX based SDL video driver implementation by Gabriele Greco
* gabriele.greco@aruba.it
*/
28
29
#include "SDL_endian.h"
30
31
32
33
#include "SDL_timer.h"
#include "SDL_thread.h"
#include "SDL_video.h"
#include "SDL_mouse.h"
34
35
36
#include "../SDL_sysvideo.h"
#include "../SDL_pixels_c.h"
#include "../../events/SDL_events_c.h"
37
#include "SDL_cgxgl_c.h"
38
39
40
41
42
43
44
45
46
47
48
49
#include "SDL_cgxvideo.h"
#include "SDL_cgxwm_c.h"
#include "SDL_amigamouse_c.h"
#include "SDL_amigaevents_c.h"
#include "SDL_cgxmodes_c.h"
#include "SDL_cgximage_c.h"
/* Initialization/Query functions */
static int CGX_VideoInit(_THIS, SDL_PixelFormat *vformat);
static SDL_Surface *CGX_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
static int CGX_ToggleFullScreen(_THIS, int on);
static void CGX_UpdateMouse(_THIS);
50
static int CGX_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
51
52
53
54
55
56
57
58
static void CGX_VideoQuit(_THIS);
/* CGX driver bootstrap functions */
struct Library *CyberGfxBase=NULL;
struct IntuitionBase *IntuitionBase=NULL;
struct GfxBase *GfxBase=NULL;
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
int CGX_SetGamma(_THIS, float red, float green, float blue)
{
SDL_SetError("Gamma correction not supported");
return -1;
}
int CGX_GetGamma(_THIS, float red, float green, float blue)
{
SDL_SetError("Gamma correction not supported");
return -1;
}
int CGX_SetGammaRamp(_THIS, Uint16 *ramp)
{
#if 0
Int i, ncolors;
XColor xcmap[256];
/* See if actually setting the gamma is supported */
if ( SDL_Visual->class != DirectColor ) {
SDL_SetError("Gamma correction not supported on this visual");
return(-1);
}
/* Calculate the appropriate palette for the given gamma ramp */
ncolors = SDL_Visual->map_entries;
for ( i=0; i<ncolors; ++i ) {
Uint8 c = (256 * i / ncolors);
xcmap[i].pixel = SDL_MapRGB(this->screen->format, c, c, c);
xcmap[i].red = ramp[0*256+c];
xcmap[i].green = ramp[1*256+c];
xcmap[i].blue = ramp[2*256+c];
xcmap[i].flags = (DoRed|DoGreen|DoBlue);
}
XStoreColors(GFX_Display, SDL_XColorMap, xcmap, ncolors);
XSync(GFX_Display, False);
return(0);
#else
SDL_SetError("Gamma correction not supported on this visual");
return(-1);
#endif
}
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
static void DestroyScreen(_THIS)
{
if(currently_fullscreen)
{
if(this->hidden->dbuffer)
{
extern struct MsgPort *safeport,*dispport;
this->hidden->dbuffer=0;
if(safeport)
{
while(GetMsg(safeport)!=NULL);
DeleteMsgPort(safeport);
}
if(dispport)
{
while(GetMsg(dispport)!=NULL);
DeleteMsgPort(dispport);
}
this->hidden->SB[0]->sb_DBufInfo->dbi_SafeMessage.mn_ReplyPort=this->hidden->SB[0]->sb_DBufInfo->dbi_DispMessage.mn_ReplyPort=NULL;
this->hidden->SB[1]->sb_DBufInfo->dbi_SafeMessage.mn_ReplyPort=this->hidden->SB[1]->sb_DBufInfo->dbi_DispMessage.mn_ReplyPort=NULL;
if(this->hidden->SB[1])
FreeScreenBuffer(SDL_Display,this->hidden->SB[1]);
131
132
if(this->hidden->SB[0])
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
141
142
SDL_RastPort=NULL;
}
CloseScreen(GFX_Display);
143
currently_fullscreen=0;
144
}
145
else if(GFX_Display)
146
147
148
149
150
151
152
153
154
UnlockPubScreen(NULL,GFX_Display);
GFX_Display = NULL;
}
static int CGX_Available(void)
{
struct Library *l;
155
l = OpenLibrary("cybergraphics.library",0L);
156
157
if ( l != NULL ) {
158
D(bug("CGX video device AVAILABLE\n"));
159
160
CloseLibrary(l);
}
161
162
D(else bug("**CGX video device UNAVAILABLE\n"));
163
164
165
166
167
168
169
return(l != NULL);
}
static void CGX_DeleteDevice(SDL_VideoDevice *device)
{
if ( device ) {
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
179
180
181
182
183
}
}
static SDL_VideoDevice *CGX_CreateDevice(int devindex)
{
SDL_VideoDevice *device;
/* 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
193
}
if ( (device == NULL) || (device->hidden == NULL) ||
(device->gl_data == NULL) ) {
194
D(bug("Unable to create video device!\n"));
195
196
197
198
SDL_OutOfMemory();
CGX_DeleteDevice(device);
return(0);
}
199
200
SDL_memset(device->hidden, 0, sizeof(*device->hidden));
SDL_memset(device->gl_data, 0, sizeof(*device->gl_data));
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
/* Set the driver flags */
device->handles_any_size = 1;
/* Set the function pointers */
device->VideoInit = CGX_VideoInit;
device->ListModes = CGX_ListModes;
device->SetVideoMode = CGX_SetVideoMode;
device->ToggleFullScreen = CGX_ToggleFullScreen;
device->UpdateMouse = CGX_UpdateMouse;
device->SetColors = CGX_SetColors;
device->UpdateRects = NULL;
device->VideoQuit = CGX_VideoQuit;
device->AllocHWSurface = CGX_AllocHWSurface;
device->CheckHWBlit = CGX_CheckHWBlit;
device->FillHWRect = CGX_FillHWRect;
device->SetHWColorKey = CGX_SetHWColorKey;
device->SetHWAlpha = NULL;
device->LockHWSurface = CGX_LockHWSurface;
device->UnlockHWSurface = CGX_UnlockHWSurface;
device->FlipHWSurface = CGX_FlipHWSurface;
device->FreeHWSurface = CGX_FreeHWSurface;
223
224
225
226
device->SetGamma = CGX_SetGamma;
device->GetGamma = CGX_GetGamma;
device->SetGammaRamp = CGX_SetGammaRamp;
device->GetGammaRamp = NULL;
227
#if SDL_VIDEO_OPENGL
228
229
230
231
232
device->GL_LoadLibrary = CGX_GL_LoadLibrary;
device->GL_GetProcAddress = CGX_GL_GetProcAddress;
device->GL_GetAttribute = CGX_GL_GetAttribute;
device->GL_MakeCurrent = CGX_GL_MakeCurrent;
device->GL_SwapBuffers = CGX_GL_SwapBuffers;
233
234
#endif
device->SetIcon = CGX_SetIcon;
235
device->SetCaption = CGX_SetCaption;
236
device->IconifyWindow = NULL; /* CGX_IconifyWindow; */
237
device->GrabInput = NULL /* CGX_GrabInput*/;
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
device->GetWMInfo = CGX_GetWMInfo;
device->FreeWMCursor = amiga_FreeWMCursor;
device->CreateWMCursor = amiga_CreateWMCursor;
device->ShowWMCursor = amiga_ShowWMCursor;
device->WarpWMCursor = amiga_WarpWMCursor;
device->CheckMouseMode = amiga_CheckMouseMode;
device->InitOSKeymap = amiga_InitOSKeymap;
device->PumpEvents = amiga_PumpEvents;
device->free = CGX_DeleteDevice;
return device;
}
VideoBootStrap CGX_bootstrap = {
253
"CGX", "AmigaOS CyberGraphics", CGX_Available, CGX_CreateDevice
254
255
256
257
258
259
260
261
};
Uint32 MakeBitMask(_THIS,int type,int format,int *bpp)
{
D(if(type==0)bug("REAL pixel format: "));
if(this->hidden->depth==*bpp)
{
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
switch(format)
{
case PIXFMT_LUT8:
D(if(type==0)bug("LUT8\n"));
return 0;
case PIXFMT_BGR15:
case PIXFMT_RGB15PC:
switch(type)
{
case 0:
D(bug("RGB15PC/BGR15\n"));
return 31;
case 1:
return 992;
case 2:
return 31744;
}
case PIXFMT_RGB15:
case PIXFMT_BGR15PC:
switch(type)
{
case 0:
D(bug("RGB15/BGR15PC\n"));
return 31744;
case 1:
return 992;
case 2:
return 31;
}
case PIXFMT_BGR16PC:
case PIXFMT_RGB16:
switch(type)
{
case 0:
D(bug("RGB16PC\n"));
return 63488;
case 1:
return 2016;
case 2:
return 31;
}
case PIXFMT_BGR16:
case PIXFMT_RGB16PC:
switch(type)
{
case 0:
D(bug("RGB16PC/BGR16\n"));
return 31;
case 1:
return 2016;
case 2:
return 63488;
}
case PIXFMT_RGB24:
switch(type)
{
case 0:
D(bug("RGB24/BGR24\n"));
return 0xff0000;
case 1:
return 0xff00;
case 2:
return 0xff;
}
case PIXFMT_BGR24:
switch(type)
{
case 0:
D(bug("BGR24\n"));
return 0xff;
case 1:
return 0xff00;
case 2:
return 0xff0000;
}
case PIXFMT_ARGB32:
switch(type)
{
case 0:
D(bug("ARGB32\n"));
return 0xff0000;
case 1:
return 0xff00;
case 2:
return 0xff;
}
case PIXFMT_BGRA32:
switch(type)
{
case 0:
D(bug("BGRA32\n"));
return 0xff00;
case 1:
return 0xff0000;
case 2:
return 0xff000000;
}
case PIXFMT_RGBA32:
switch(type)
{
case 0:
D(bug("RGBA32\n"));
return 0xff000000;
case 1:
return 0xff0000;
case 2:
return 0xff00;
}
default:
D(bug("Unknown pixel format! Default to 24bit\n"));
return (Uint32) (255<<(type*8));
}
}
else
{
D(if(type==0)bug("DIFFERENT from screen.\nAllocated screen format: "));
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
switch(*bpp)
{
case 32:
D(if(type==0) bug("RGBA32\n"));
switch(type)
{
case 0:
return 0xff000000;
case 1:
return 0xff0000;
case 2:
return 0xff00;
}
break;
case 24:
use_truecolor:
switch(type)
{
case 0:
D(bug("RGB24\n"));
return 0xff0000;
case 1:
return 0xff00;
case 2:
return 0xff;
}
case 16:
case 15:
D(if(type==0) bug("Not supported, switching to 24bit!\n"));
*bpp=24;
goto use_truecolor;
412
break;
413
414
415
416
417
default:
D(if(type==0)bug("This is a chunky display\n"));
// For chunky display mask is always 0;
return 0;
}
418
}
419
420
421
422
423
424
return 0;
}
static int CGX_VideoInit(_THIS, SDL_PixelFormat *vformat)
{
int i;
425
struct Library *RTGBase;
426
427
428
429
430
431
432
433
D(bug("VideoInit... Opening libraries\n"));
if(!IntuitionBase) {
if( !(IntuitionBase=(struct IntuitionBase *)OpenLibrary("intuition.library",39L))) {
SDL_SetError("Couldn't open intuition V39+");
return -1;
}
434
}
435
436
437
438
439
440
if(!GfxBase) {
if( !(GfxBase=(struct GfxBase *)OpenLibrary("graphics.library",39L))) {
SDL_SetError("Couldn't open graphics V39+");
return -1;
}
441
}
442
443
444
445
446
447
448
449
450
451
452
453
454
if(!CyberGfxBase) {
if( !(CyberGfxBase=OpenLibrary("cybergraphics.library",40L))) {
SDL_SetError("Couldn't open cybergraphics.");
return(-1);
}
}
if(RTGBase=OpenLibrary("libs:picasso96/rtg.library",0L)) {
extern int use_picasso96;
CloseLibrary(RTGBase);
use_picasso96=1;
455
456
}
457
458
D(bug("Library intialized, locking screen...\n"));
459
460
461
SDL_Display = LockPubScreen(NULL);
if ( SDL_Display == NULL ) {
462
D(bug("Cannot lock display...\n"));
463
464
465
466
SDL_SetError("Couldn't lock the display");
return(-1);
}
467
468
D(bug("Checking if we are using a CGX native display...\n"));
469
470
471
472
473
474
475
if(!IsCyberModeID(GetVPModeID(&SDL_Display->ViewPort)))
{
Uint32 okid=BestCModeIDTags(CYBRBIDTG_NominalWidth,SDL_Display->Width,
CYBRBIDTG_NominalHeight,SDL_Display->Height,
CYBRBIDTG_Depth,8,
TAG_DONE);
476
477
D(bug("Default visual is not CGX native!\n"));
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
UnlockPubScreen(NULL,SDL_Display);
GFX_Display=NULL;
if(okid!=INVALID_ID)
{
GFX_Display=OpenScreenTags(NULL,
SA_Width,SDL_Display->Width,
SA_Height,SDL_Display->Height,
SA_Depth,8,SA_Quiet,TRUE,
SA_ShowTitle,FALSE,
SA_DisplayID,okid,
TAG_DONE);
}
if(!GFX_Display)
{
SDL_SetError("Unable to open a suited CGX display");
return -1;
}
else SDL_Display=GFX_Display;
}
else GFX_Display = SDL_Display;
/* See whether or not we need to swap pixels */
swap_pixels = 0;
// Non e' detto che sia cosi' pero', alcune schede potrebbero gestire i modi in modo differente
if ( SDL_BYTEORDER == SDL_LIL_ENDIAN ) {
511
swap_pixels = 1;
512
513
}
514
515
D(bug("Before GetVideoModes....\n"));
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
/* Get the available video modes */
if(CGX_GetVideoModes(this) < 0)
return -1;
/* Determine the default screen depth:
Use the default visual (or at least one with the same depth) */
for(i = 0; i < this->hidden->nvisuals; i++)
if(this->hidden->visuals[i].depth == GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH))
break;
if(i == this->hidden->nvisuals) {
/* default visual was useless, take the deepest one instead */
i = 0;
}
SDL_Visual = this->hidden->visuals[i].visual;
532
533
// SDL_XColorMap = SDL_DisplayColormap;
534
this->hidden->depth = this->hidden->visuals[i].depth;
535
D(bug("Init: Setting screen depth to: %ld\n",this->hidden->depth));
536
537
538
539
540
541
542
543
vformat->BitsPerPixel = this->hidden->visuals[i].depth; /* this->hidden->visuals[i].bpp; */
{
int form;
APTR handle;
struct DisplayInfo info;
if(!(handle=FindDisplayInfo(this->hidden->visuals[i].visual)))
544
545
{
D(bug("Unable to get visual info...\n"));
546
return -1;
547
}
548
549
550
if(!GetDisplayInfoData(handle,(char *)&info,sizeof(struct DisplayInfo),DTAG_DISP,NULL)) {
D(bug("Unable to get visual info data...\n"));
551
return -1;
552
}
553
554
555
556
557
form=GetCyberIDAttr(CYBRIDATTR_PIXFMT,SDL_Visual);
// In this case I use makebitmask in a way that I'm sure I'll get PIXFMT pixel mask
558
if ( vformat->BitsPerPixel > 8 )
559
560
561
562
563
564
565
{
vformat->Rmask = MakeBitMask(this,0,form,&this->hidden->depth);
vformat->Gmask = MakeBitMask(this,1,form,&this->hidden->depth);
vformat->Bmask = MakeBitMask(this,2,form,&this->hidden->depth);
}
}
566
/* See if we have been passed a window to use */
567
/* SDL_windowid = SDL_getenv("SDL_WINDOWID"); */
568
569
SDL_windowid=NULL;
570
571
572
573
574
575
576
577
578
579
580
581
582
583
/* Create the blank cursor */
SDL_BlankCursor = AllocMem(16,MEMF_CHIP|MEMF_CLEAR);
/* Fill in some window manager capabilities */
this->info.wm_available = 1;
this->info.blit_hw = 1;
this->info.blit_hw_CC = 1;
this->info.blit_sw = 1;
this->info.blit_fill = 1;
this->info.video_mem=2000000; // Not always true but almost any Amiga card has this memory!
this->hidden->same_format=0;
SDL_RastPort=&SDL_Display->RastPort;
/* We're done! */
584
585
D(bug("End of CGX_VideoInit\n"));
586
587
588
589
590
return(0);
}
void CGX_DestroyWindow(_THIS, SDL_Surface *screen)
{
591
592
D(bug("Destroy Window...\n"));
593
594
595
if ( ! SDL_windowid ) {
/* Hide the managed window */
int was_fullscreen=0;
596
597
598
599
600
601
602
/* Clean up OpenGL */
if ( screen ) {
screen->flags &= ~(SDL_OPENGL|SDL_OPENGLBLIT);
}
if ( screen && (screen->flags & SDL_FULLSCREEN) ) {
603
604
605
606
was_fullscreen=1;
screen->flags &= ~SDL_FULLSCREEN;
// CGX_LeaveFullScreen(this); tolto x crash
}
607
608
609
610
611
612
/* Destroy the output window */
if ( SDL_Window ) {
CloseWindow(SDL_Window);
SDL_Window=NULL;
}
613
614
615
616
617
/* Free the colormap entries */
if ( SDL_XPixels ) {
int numcolors;
unsigned long pixel;
618
619
620
621
if(this->screen->format&&this->hidden->depth==8&&!was_fullscreen)
{
numcolors = 1<<this->screen->format->BitsPerPixel;
622
623
624
if(numcolors>256)
numcolors=256;
625
626
if(!was_fullscreen&&this->hidden->depth==8)
627
{
628
for ( pixel=0; pixel<numcolors; pixel++ )
629
630
631
632
{
if(SDL_XPixels[pixel]>=0)
ReleasePen(GFX_Display->ViewPort.ColorMap,SDL_XPixels[pixel]);
}
633
634
}
}
635
SDL_free(SDL_XPixels);
636
SDL_XPixels = NULL;
637
}
638
}
639
640
641
642
643
644
645
646
647
648
649
}
static void CGX_SetSizeHints(_THIS, int w, int h, Uint32 flags)
{
if ( flags & SDL_RESIZABLE ) {
WindowLimits(SDL_Window, 32, 32,4096,4096);
} else {
WindowLimits(SDL_Window, w,h,w,h);
}
if ( flags & SDL_FULLSCREEN ) {
flags&=~SDL_RESIZABLE;
650
} else if ( SDL_getenv("SDL_VIDEO_CENTERED") ) {
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
int display_w, display_h;
display_w = SDL_Display->Width;
display_h = SDL_Display->Height;
ChangeWindowBox(SDL_Window,(display_w - w - SDL_Window->BorderLeft-SDL_Window->BorderRight)/2,
(display_h - h - SDL_Window->BorderTop-SDL_Window->BorderBottom)/2,
w+SDL_Window->BorderLeft+SDL_Window->BorderRight,
h+SDL_Window->BorderTop+SDL_Window->BorderBottom);
}
}
int CGX_CreateWindow(_THIS, SDL_Surface *screen,
int w, int h, int bpp, Uint32 flags)
{
#if 0
int i, depth;
Uint32 vis;
#endif
669
670
D(bug("CGX_CreateWindow\n"));
671
672
673
674
/* If a window is already present, destroy it and start fresh */
if ( SDL_Window ) {
CGX_DestroyWindow(this, screen);
}
675
676
677
678
679
680
681
/* See if we have been given a window id */
if ( SDL_windowid ) {
SDL_Window = (struct Window *)atol(SDL_windowid);
} else {
SDL_Window = 0;
}
682
683
684
685
686
687
/* find out which visual we are going to use */
#if 0
/* questo l'ho spostato nell'apertura dello schermo, in quanto su Amiga le finestre
hanno il pixel mode degli schermi.
*/
688
/*if ( flags & SDL_OPENGL ) {
689
690
SDL_SetError("OpenGL not supported by the Amiga SDL!");
return -1;
691
692
}
else {*/
693
694
695
696
697
698
699
700
701
702
for ( i = 0; i < this->hidden->nvisuals; i++ ) {
if ( this->hidden->visuals[i].depth == bpp ) /* era .depth */
break;
}
if ( i == this->hidden->nvisuals ) {
SDL_SetError("No matching visual for requested depth");
return -1; /* should never happen */
}
vis = this->hidden->visuals[i].visual;
depth = this->hidden->visuals[i].depth;
703
// }
704
705
SDL_Visual = vis;
this->hidden->depth = depth;
706
D(bug("Setting screen depth to: %ld\n",this->hidden->depth));
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
#endif
/* Allocate the new pixel format for this video mode */
{
Uint32 form;
APTR handle;
struct DisplayInfo info;
if(!(handle=FindDisplayInfo(SDL_Visual)))
return -1;
if(!GetDisplayInfoData(handle,(char *)&info,sizeof(struct DisplayInfo),DTAG_DISP,NULL))
return -1;
form=GetCyberIDAttr(CYBRIDATTR_PIXFMT,SDL_Visual);
if(flags&SDL_HWSURFACE)
{
if(bpp!=this->hidden->depth)
{
bpp=this->hidden->depth;
D(bug("Accel forces bpp to be equal (%ld)\n",bpp));
}
}
D(bug("BEFORE screen allocation: bpp:%ld (real:%ld)\n",bpp,this->hidden->depth));
/* With this call if needed I'll revert the wanted bpp to a bpp best suited for the display, actually occurs
only with requested format 15/16bit and display format != 15/16bit
736
*/
737
738
739
740
741
742
743
744
745
746
if ( ! SDL_ReallocFormat(screen, bpp,
MakeBitMask(this,0,form,&bpp), MakeBitMask(this,1,form,&bpp), MakeBitMask(this,2,form,&bpp), 0) )
return -1;
D(bug("AFTER screen allocation: bpp:%ld (real:%ld)\n",bpp,this->hidden->depth));
}
/* Create the appropriate colormap */
747
748
749
750
751
/*
if ( SDL_XColorMap != SDL_DisplayColormap ) {
XFreeColormap(SDL_Display, SDL_XColorMap);
}
*/
752
if ( GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_PIXFMT)==PIXFMT_LUT8 || bpp==8 ) {
753
754
int ncolors,i;
D(bug("XPixels palette allocation...\n"));
755
756
757
758
759
760
761
762
/* Allocate the pixel flags */
if(bpp==8)
ncolors=256;
else
ncolors = 1 << screen->format->BitsPerPixel;
763
SDL_XPixels = (Sint32 *)SDL_malloc(ncolors * sizeof(Sint32));
764
765
766
767
768
769
if(SDL_XPixels == NULL) {
SDL_OutOfMemory();
return -1;
}
770
771
772
for(i=0;i<ncolors;i++)
SDL_XPixels[i]=-1;
773
774
775
776
777
/* always allocate a private colormap on non-default visuals */
if(bpp==8)
flags |= SDL_HWPALETTE;
778
if ( flags & SDL_HWPALETTE )
779
screen->flags |= SDL_HWPALETTE;
780
}
781
782
783
784
/* resize the (possibly new) window manager window */
/* Create (or use) the X11 display window */
785
786
if ( !SDL_windowid ) {
787
if( flags & SDL_FULLSCREEN )
788
789
{
SDL_Window = OpenWindowTags(NULL,WA_Width,w,WA_Height,h,
790
791
792
793
WA_Flags,WFLG_ACTIVATE|WFLG_RMBTRAP|WFLG_BORDERLESS|WFLG_BACKDROP|WFLG_REPORTMOUSE,
WA_IDCMP,IDCMP_RAWKEY|IDCMP_MOUSEBUTTONS|IDCMP_MOUSEMOVE,
WA_CustomScreen,(ULONG)SDL_Display,
TAG_DONE);
794
795
D(bug("Opening backdrop window %ldx%ld on display %lx!\n",w,h,SDL_Display));
796
797
798
}
else
{
799
800
801
802
803
804
/* Create GimmeZeroZero window when OpenGL is used */
unsigned long gzz = FALSE;
if( flags & SDL_OPENGL ) {
gzz = TRUE;
}
805
806
SDL_Window = OpenWindowTags(NULL,WA_InnerWidth,w,WA_InnerHeight,h,
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))),
807
808
WA_IDCMP,IDCMP_RAWKEY|IDCMP_CLOSEWINDOW|IDCMP_MOUSEBUTTONS|IDCMP_NEWSIZE|IDCMP_MOUSEMOVE,
WA_PubScreen,(ULONG)SDL_Display,
809
WA_GimmeZeroZero, gzz,
810
TAG_DONE);
811
D(bug("Opening WB window of size: %ldx%ld!\n",w,h));
812
813
814
815
}
if(!SDL_Window)
return -1;
816
817
818
819
820
821
}
this->hidden->BytesPerPixel=GetCyberMapAttr(SDL_Window->RPort->BitMap,CYBRMATTR_BPPIX);
if(screen->flags & SDL_DOUBLEBUF)
{
822
if(SDL_RastPort=SDL_malloc(sizeof(struct RastPort)))
823
824
825
826
827
828
829
830
831
832
833
834
{
InitRastPort(SDL_RastPort);
SDL_RastPort->BitMap=this->hidden->SB[1]->sb_BitMap;
}
else
return -1;
}
else SDL_RastPort=SDL_Window->RPort;
if(flags&SDL_HWSURFACE)
screen->flags|=SDL_HWSURFACE;
835
836
837
838
839
840
841
842
843
844
845
846
if( !SDL_windowid ) {
CGX_SetSizeHints(this, w, h, flags);
current_w = w;
current_h = h;
}
/* Set our colormaps when not setting a GL mode */
/*
if ( ! (flags & SDL_OPENGL) ) {
XSetWindowColormap(SDL_Display, SDL_Window, SDL_XColorMap);
}
*/
847
848
/* Map them both and go fullscreen, if requested */
849
850
851
852
853
854
855
856
if ( ! SDL_windowid ) {
if ( flags & SDL_FULLSCREEN ) {
screen->flags |= SDL_FULLSCREEN;
currently_fullscreen=1;
// CGX_EnterFullScreen(this); Ci siamo gia'!
} else {
screen->flags &= ~SDL_FULLSCREEN;
}
857
}
858
859
860
861
862
screen->w = w;
screen->h = h;
screen->pitch = SDL_CalculatePitch(screen);
CGX_ResizeImage(this, screen, flags);
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
/* Make OpenGL Context if needed*/
if(flags & SDL_OPENGL) {
if(this->gl_data->gl_active == 0) {
if(CGX_GL_Init(this) < 0)
return -1;
else
screen->flags |= SDL_OPENGL;
}
else {
if(CGX_GL_Update(this) < 0)
return -1;
else
screen->flags |= SDL_OPENGL;
}
}
878
879
880
881
882
}
int CGX_ResizeWindow(_THIS,
SDL_Surface *screen, int w, int h, Uint32 flags)
{
883
884
D(bug("CGX_ResizeWindow\n"));
885
886
887
888
889
if ( ! SDL_windowid ) {
/* Resize the window manager window */
CGX_SetSizeHints(this, w, h, flags);
current_w = w;
current_h = h;
890
891
892
ChangeWindowBox(SDL_Window,SDL_Window->LeftEdge,SDL_Window->TopEdge, w+SDL_Window->BorderLeft+SDL_Window->BorderRight,
h+SDL_Window->BorderTop+SDL_Window->BorderBottom);
893
894
895
896
897
screen->w = w;
screen->h = h;
screen->pitch = SDL_CalculatePitch(screen);
CGX_ResizeImage(this, screen, flags);
898
899
900
901
902
903
904
905
}
return(0);
}
static SDL_Surface *CGX_SetVideoMode(_THIS, SDL_Surface *current,
int width, int height, int bpp, Uint32 flags)
{
Uint32 saved_flags;
906
int needcreate=0;
907
908
909
D(bug("CGX_SetVideoMode current:%lx\n",current));
910
911
912
/* Lock the event thread, in multi-threading environments */
SDL_Lock_EventThread();
913
914
// Check if the window needs to be closed or can be resized
915
if( (flags&SDL_FULLSCREEN) || (current && current->flags&SDL_FULLSCREEN && !(flags&SDL_FULLSCREEN)))
916
917
needcreate=1;
918
// Check if we need to close an already existing videomode...
919
920
if(current && current->flags&SDL_FULLSCREEN && !(flags&SDL_FULLSCREEN)) {
921
unsigned long i;
922
923
D(bug("Destroying image, window & screen!\n"));
924
925
926
CGX_DestroyImage(this,current);
CGX_DestroyWindow(this,current);
DestroyScreen(this);
927
928
929
930
931
932
933
934
935
936
937
938
939
940
GFX_Display=SDL_Display=LockPubScreen(NULL);
bpp=this->hidden->depth=GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH);
for ( i = 0; i < this->hidden->nvisuals; i++ ) {
if ( this->hidden->visuals[i].depth == bpp ) /* era .depth */
break;
}
if ( i == this->hidden->nvisuals ) {
SDL_SetError("No matching visual for requested depth");
return NULL; /* should never happen */
}
SDL_Visual = this->hidden->visuals[i].visual;
941
942
D(bug("Setting screen depth to: %ld\n",this->hidden->depth));
943
944
945
946
}
/* Check the combination of flags we were passed */
if ( flags & SDL_FULLSCREEN ) {
int i;
947
948
/* Clear fullscreen flag if not supported */
949
950
951
if ( SDL_windowid ) {
flags &= ~SDL_FULLSCREEN;
}
952
else if(current && current->flags&SDL_FULLSCREEN ) {
953
954
if(current->w!=width ||
current->h!=height ||
955
(this->hidden && this->hidden->depth!=bpp))
956
{
957
D(bug("Deleting previous window...\n"));
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
CGX_DestroyImage(this,current);
CGX_DestroyWindow(this,current);
DestroyScreen(this);
goto buildnewscreen;
}
}
else
buildnewscreen:
{
Uint32 okid=BestCModeIDTags(CYBRBIDTG_NominalWidth,width,
CYBRBIDTG_NominalHeight,height,
CYBRBIDTG_Depth,bpp,
TAG_DONE);
GFX_Display=NULL;
974
975
D(bug("Opening screen...\n"));
976
977
978
979
980
981
982
983
984
if(okid!=INVALID_ID)
GFX_Display=OpenScreenTags(NULL,
SA_Width,width,
SA_Height,height,
SA_Quiet,TRUE,SA_ShowTitle,FALSE,
SA_Depth,bpp,
SA_DisplayID,okid,
TAG_DONE);
985
if(!GFX_Display) {
986
987
988
989
GFX_Display=SDL_Display;
flags &= ~SDL_FULLSCREEN;
flags &= ~SDL_DOUBLEBUF;
}
990
else {
991
992
UnlockPubScreen(NULL,SDL_Display);
SDL_Display=GFX_Display;
993
994
D(bug("Screen opened.\n"));
995
996
if(flags&SDL_DOUBLEBUF) {
997
int ok=0;
998
D(bug("Start of DBuffering allocations...\n"));
999
1000
if(this->hidden->SB[0]=AllocScreenBuffer(SDL_Display,NULL,SB_SCREEN_BITMAP)) {