/
SDL_gemvideo.c
1394 lines (1136 loc) · 31.6 KB
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
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
20
21
Sam Lantinga
slouken@libsdl.org
*/
22
#include "SDL_config.h"
23
24
/*
25
26
27
28
29
30
GEM video driver
Patrice Mandin
and work from
Olivier Landemarre, Johan Klockars, Xavier Joubert, Claude Attard
*/
31
32
33
34
35
/* Mint includes */
#include <gem.h>
#include <gemx.h>
#include <mint/osbind.h>
36
#include <mint/cookie.h>
37
38
#include "SDL_endian.h"
39
40
#include "SDL_video.h"
#include "SDL_mouse.h"
41
42
43
44
#include "../SDL_sysvideo.h"
#include "../SDL_pixels_c.h"
#include "../../events/SDL_events_c.h"
#include "../SDL_cursor_c.h"
45
46
47
48
49
#include "../ataricommon/SDL_ataric2p_s.h"
#include "../ataricommon/SDL_atarieddi_s.h"
#include "../ataricommon/SDL_atarimxalloc_c.h"
#include "../ataricommon/SDL_atarigl_c.h"
50
51
52
53
54
#include "SDL_gemvideo.h"
#include "SDL_gemevents_c.h"
#include "SDL_gemmouse_c.h"
#include "SDL_gemwm_c.h"
55
#include "../ataricommon/SDL_xbiosevents_c.h"
56
#include "../ataricommon/SDL_ataridevmouse_c.h"
57
58
59
/* Defines */
60
/*#define DEBUG_VIDEO_GEM 1*/
61
62
63
#define GEM_VID_DRIVER_NAME "gem"
64
65
66
67
68
#undef MIN
#define MIN(a,b) (((a)<(b)) ? (a) : (b))
#undef MAX
#define MAX(a,b) (((a)>(b)) ? (a) : (b))
69
70
71
72
73
74
75
/* Variables */
static unsigned char vdi_index[256] = {
0, 2, 3, 6, 4, 7, 5, 8,
9, 10, 11, 14, 12, 15, 13, 255
};
76
static const char empty_name[]="";
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
/* Initialization/Query functions */
static int GEM_VideoInit(_THIS, SDL_PixelFormat *vformat);
static SDL_Rect **GEM_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
static SDL_Surface *GEM_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
static int GEM_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
static void GEM_VideoQuit(_THIS);
/* Hardware surface functions */
static int GEM_AllocHWSurface(_THIS, SDL_Surface *surface);
static int GEM_LockHWSurface(_THIS, SDL_Surface *surface);
static int GEM_FlipHWSurface(_THIS, SDL_Surface *surface);
static void GEM_UnlockHWSurface(_THIS, SDL_Surface *surface);
static void GEM_FreeHWSurface(_THIS, SDL_Surface *surface);
static void GEM_UpdateRects(_THIS, int numrects, SDL_Rect *rects);
/* Internal functions */
static void GEM_FreeBuffers(_THIS);
95
static void GEM_ClearScreen(_THIS);
96
static void GEM_ClearRect(_THIS, short *rect);
97
static void GEM_SetNewPalette(_THIS, Uint16 newpal[256][3]);
98
99
static void GEM_LockScreen(_THIS);
static void GEM_UnlockScreen(_THIS);
100
101
static void refresh_window(_THIS, int winhandle, short *rect);
102
#if SDL_VIDEO_OPENGL
103
104
105
106
/* OpenGL functions */
static void GEM_GL_SwapBuffers(_THIS);
#endif
107
108
109
110
111
/* GEM driver bootstrap functions */
static int GEM_Available(void)
{
/* Test if AES available */
112
if (appl_init() == -1)
113
114
115
116
117
118
119
120
return 0;
appl_exit();
return 1;
}
static void GEM_DeleteDevice(SDL_VideoDevice *device)
{
121
122
SDL_free(device->hidden);
SDL_free(device);
123
124
125
126
127
}
static SDL_VideoDevice *GEM_CreateDevice(int devindex)
{
SDL_VideoDevice *device;
128
int vectors_mask;
129
/* unsigned long dummy;*/
130
131
/* Initialize all variables that we clean on shutdown */
132
device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice));
133
if ( device ) {
134
SDL_memset(device, 0, (sizeof *device));
135
device->hidden = (struct SDL_PrivateVideoData *)
136
SDL_malloc((sizeof *device->hidden));
137
device->gl_data = (struct SDL_PrivateGLData *)
138
SDL_malloc((sizeof *device->gl_data));
139
140
141
142
}
if ( (device == NULL) || (device->hidden == NULL) ) {
SDL_OutOfMemory();
if ( device ) {
143
SDL_free(device);
144
145
146
}
return(0);
}
147
148
SDL_memset(device->hidden, 0, (sizeof *device->hidden));
SDL_memset(device->gl_data, 0, sizeof(*device->gl_data));
149
150
151
152
153
154
155
156
157
158
159
160
161
/* Set the function pointers */
device->VideoInit = GEM_VideoInit;
device->ListModes = GEM_ListModes;
device->SetVideoMode = GEM_SetVideoMode;
device->SetColors = GEM_SetColors;
device->UpdateRects = NULL /*GEM_UpdateRects*/;
device->VideoQuit = GEM_VideoQuit;
device->AllocHWSurface = GEM_AllocHWSurface;
device->LockHWSurface = GEM_LockHWSurface;
device->UnlockHWSurface = GEM_UnlockHWSurface;
device->FlipHWSurface = GEM_FlipHWSurface;
device->FreeHWSurface = GEM_FreeHWSurface;
162
device->ToggleFullScreen = NULL;
163
164
165
/* Window manager */
device->SetCaption = GEM_SetCaption;
166
device->SetIcon = GEM_SetIcon;
167
168
169
170
171
172
173
174
175
176
177
device->IconifyWindow = GEM_IconifyWindow;
device->GrabInput = GEM_GrabInput;
/* Events */
device->InitOSKeymap = GEM_InitOSKeymap;
device->PumpEvents = GEM_PumpEvents;
/* Mouse */
device->FreeWMCursor = GEM_FreeWMCursor;
device->CreateWMCursor = GEM_CreateWMCursor;
device->ShowWMCursor = GEM_ShowWMCursor;
178
device->WarpWMCursor = NULL /*GEM_WarpWMCursor*/;
179
180
device->CheckMouseMode = GEM_CheckMouseMode;
181
#if SDL_VIDEO_OPENGL
182
/* OpenGL functions */
183
184
185
186
device->GL_LoadLibrary = SDL_AtariGL_LoadLibrary;
device->GL_GetProcAddress = SDL_AtariGL_GetProcAddress;
device->GL_GetAttribute = SDL_AtariGL_GetAttribute;
device->GL_MakeCurrent = SDL_AtariGL_MakeCurrent;
187
188
189
device->GL_SwapBuffers = GEM_GL_SwapBuffers;
#endif
190
191
192
193
194
195
196
device->hidden->use_dev_mouse =
(SDL_AtariDevMouse_Open()!=0) ? SDL_TRUE : SDL_FALSE;
vectors_mask = ATARI_XBIOS_JOYSTICKEVENTS; /* XBIOS joystick events */
if (!(device->hidden->use_dev_mouse)) {
vectors_mask |= ATARI_XBIOS_MOUSEEVENTS; /* XBIOS mouse events */
}
197
/* if (Getcookie(C_MiNT, &dummy)==C_FOUND) {
198
vectors_mask = 0;
199
}*/
200
201
SDL_AtariXbios_InstallVectors(vectors_mask);
202
203
204
205
206
207
208
209
210
211
212
213
214
215
device->free = GEM_DeleteDevice;
return device;
}
VideoBootStrap GEM_bootstrap = {
GEM_VID_DRIVER_NAME, "Atari GEM video driver",
GEM_Available, GEM_CreateDevice
};
static void VDI_ReadExtInfo(_THIS, short *work_out)
{
unsigned long EdDI_version;
216
long cookie_EdDI;
217
Uint16 clut_type;
218
219
/* Read EdDI informations */
220
if (Getcookie(C_EdDI, &cookie_EdDI) != C_FOUND) {
221
222
return;
}
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
EdDI_version = Atari_get_EdDI_version( (void *)cookie_EdDI);
vq_scrninfo(VDI_handle, work_out);
VDI_format = work_out[0];
clut_type = work_out[1];
/* With EdDI>=1.1, we can have screen pitch, address and format
* so we can directly write to screen without using vro_cpyfm
*/
if (EdDI_version >= EDDI_11) {
VDI_pitch = work_out[5];
VDI_screen = (void *) *((unsigned long *) &work_out[6]);
}
switch(clut_type) {
case VDI_CLUT_HARDWARE:
{
int i;
Uint16 *tmp_p;
tmp_p = (Uint16 *)&work_out[16];
for (i=0;i<256;i++) {
248
vdi_index[*tmp_p++] = i;
249
250
251
252
}
}
break;
case VDI_CLUT_SOFTWARE:
253
{
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
int component; /* red, green, blue, alpha, overlay */
int num_bit;
unsigned short *tmp_p;
/* We can build masks with info here */
tmp_p = (unsigned short *) &work_out[16];
for (component=0;component<5;component++) {
for (num_bit=0;num_bit<16;num_bit++) {
unsigned short valeur;
valeur = *tmp_p++;
if (valeur == 0xffff) {
continue;
}
switch(component) {
case 0:
VDI_redmask |= 1<< valeur;
break;
case 1:
VDI_greenmask |= 1<< valeur;
break;
case 2:
VDI_bluemask |= 1<< valeur;
break;
case 3:
VDI_alphamask |= 1<< valeur;
break;
}
}
}
286
}
287
288
289
290
/* Remove lower green bits for Intel endian screen */
if ((VDI_greenmask == ((7<<13)|3)) || (VDI_greenmask == ((7<<13)|7))) {
VDI_greenmask &= ~(7<<13);
291
292
293
294
295
296
297
298
299
}
break;
case VDI_CLUT_NONE:
break;
}
}
int GEM_VideoInit(_THIS, SDL_PixelFormat *vformat)
{
300
int i, menubar_size;
301
302
303
short work_in[12], work_out[272], dummy;
/* Open AES (Application Environment Services) */
304
305
GEM_ap_id = appl_init();
if (GEM_ap_id == -1) {
306
307
308
309
310
fprintf(stderr,"Can not open AES\n");
return 1;
}
/* Read version and features */
311
312
313
GEM_version = aes_global[0];
if (GEM_version >= 0x0410) {
short ap_gout[4], errorcode;
314
315
GEM_wfeatures=0;
316
317
318
errorcode=appl_getinfo(AES_WINDOW, &ap_gout[0], &ap_gout[1], &ap_gout[2], &ap_gout[3]);
if (errorcode==0) {
319
GEM_wfeatures=ap_gout[0];
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
/* Ask VDI physical workstation handle opened by AES */
VDI_handle = graf_handle(&dummy, &dummy, &dummy, &dummy);
if (VDI_handle<1) {
fprintf(stderr,"Wrong VDI handle %d returned by AES\n",VDI_handle);
return 1;
}
/* Open virtual VDI workstation */
work_in[0]=Getrez()+2;
for(i = 1; i < 10; i++)
work_in[i] = 1;
work_in[10] = 2;
v_opnvwk(work_in, &VDI_handle, work_out);
if (VDI_handle == 0) {
fprintf(stderr,"Can not open VDI virtual workstation\n");
return 1;
}
/* Read fullscreen size */
VDI_w = work_out[0] + 1;
VDI_h = work_out[1] + 1;
/* Read desktop size and position */
if (!wind_get(DESKTOP_HANDLE, WF_WORKXYWH, &GEM_desk_x, &GEM_desk_y, &GEM_desk_w, &GEM_desk_h)) {
fprintf(stderr,"Can not read desktop properties\n");
return 1;
}
352
353
354
355
356
GEM_work_x = GEM_desk_x;
GEM_work_y = GEM_desk_y;
GEM_work_w = GEM_desk_w;
GEM_work_h = GEM_desk_h;
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
/* Read bit depth */
vq_extnd(VDI_handle, 1, work_out);
VDI_bpp = work_out[4];
VDI_oldnumcolors=0;
switch(VDI_bpp) {
case 8:
VDI_pixelsize=1;
break;
case 15:
case 16:
VDI_pixelsize=2;
break;
case 24:
VDI_pixelsize=3;
break;
case 32:
VDI_pixelsize=4;
break;
default:
fprintf(stderr,"%d bits colour depth not supported\n",VDI_bpp);
return 1;
}
/* Setup hardware -> VDI palette mapping */
for(i = 16; i < 255; i++) {
vdi_index[i] = i;
}
vdi_index[255] = 1;
/* Save current palette */
if (VDI_bpp>8) {
VDI_oldnumcolors=1<<8;
} else {
VDI_oldnumcolors=1<<VDI_bpp;
}
393
394
395
396
397
398
399
400
401
402
for(i = 0; i < VDI_oldnumcolors; i++) {
short rgb[3];
vq_color(VDI_handle, i, 0, rgb);
VDI_oldpalette[i][0] = rgb[0];
VDI_oldpalette[i][1] = rgb[1];
VDI_oldpalette[i][2] = rgb[2];
}
403
VDI_setpalette = GEM_SetNewPalette;
404
SDL_memcpy(VDI_curpalette,VDI_oldpalette,sizeof(VDI_curpalette));
405
406
407
408
409
410
411
412
/* Setup screen info */
GEM_title_name = empty_name;
GEM_icon_name = empty_name;
GEM_handle = -1;
GEM_locked = SDL_FALSE;
GEM_win_fulled = SDL_FALSE;
413
GEM_iconified = SDL_FALSE;
414
GEM_fullscreen = SDL_FALSE;
415
GEM_lock_redraw = SDL_TRUE; /* Prevent redraw till buffers are setup */
416
417
VDI_screen = NULL;
418
419
420
421
422
423
424
425
426
427
428
429
VDI_pitch = VDI_w * VDI_pixelsize;
VDI_format = ( (VDI_bpp <= 8) ? VDI_FORMAT_INTER : VDI_FORMAT_PACK);
VDI_redmask = VDI_greenmask = VDI_bluemask = VDI_alphamask = 0;
VDI_ReadExtInfo(this, work_out);
#ifdef DEBUG_VIDEO_GEM
printf("sdl:video:gem: screen: address=0x%08x, pitch=%d\n", VDI_screen, VDI_pitch);
printf("sdl:video:gem: format=%d\n", VDI_format);
printf("sdl:video:gem: masks: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
VDI_alphamask, VDI_redmask, VDI_greenmask, VDI_bluemask
);
#endif
430
431
432
433
/* Setup destination mfdb */
VDI_dst_mfdb.fd_addr = NULL;
434
435
436
/* Determine the current screen size */
this->info.current_w = VDI_w;
this->info.current_h = VDI_h;
437
438
439
440
441
442
443
/* Determine the screen depth */
/* we change this during the SDL_SetVideoMode implementation... */
vformat->BitsPerPixel = VDI_bpp;
/* Set mouse cursor to arrow */
graf_mouse(ARROW, NULL);
444
GEM_cursor = GEM_prev_cursor = NULL;
445
446
/* Init chunky to planar routine */
447
448
449
450
451
452
453
SDL_Atari_C2pConvert = SDL_Atari_C2pConvert8;
/* Setup VDI fill functions */
vsf_color(VDI_handle,0);
vsf_interior(VDI_handle,1);
vsf_perimeter(VDI_handle,0);
454
455
456
457
/* Menu bar save buffer */
menubar_size = GEM_desk_w * GEM_desk_y * VDI_pixelsize;
GEM_menubar=Atari_SysMalloc(menubar_size,MX_PREFTTRAM);
458
/* Fill video modes list */
459
SDL_modelist[0] = SDL_malloc(sizeof(SDL_Rect));
460
461
462
463
464
465
466
SDL_modelist[0]->x = 0;
SDL_modelist[0]->y = 0;
SDL_modelist[0]->w = VDI_w;
SDL_modelist[0]->h = VDI_h;
SDL_modelist[1] = NULL;
467
#if SDL_VIDEO_OPENGL
468
SDL_AtariGL_InitPointers(this);
469
#endif
470
471
this->info.wm_available = 1;
472
473
474
475
476
477
478
/* We're done! */
return(0);
}
SDL_Rect **GEM_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
{
479
if (format->BitsPerPixel != VDI_bpp) {
480
481
return ((SDL_Rect **)NULL);
}
482
483
484
485
486
487
if (flags & SDL_FULLSCREEN) {
return (SDL_modelist);
}
return((SDL_Rect **)-1);
488
489
490
491
492
}
static void GEM_FreeBuffers(_THIS)
{
/* Release buffer */
493
if ( GEM_buffer2 ) {
494
Mfree( GEM_buffer2 );
495
496
497
498
GEM_buffer2=NULL;
}
if ( GEM_buffer1 ) {
499
Mfree( GEM_buffer1 );
500
GEM_buffer1=NULL;
501
502
503
}
}
504
void GEM_ClearRect(_THIS, short *rect)
505
{
506
short oldrgb[3], rgb[3]={0,0,0};
507
508
509
510
511
512
513
vq_color(VDI_handle, vdi_index[0], 0, oldrgb);
vs_color(VDI_handle, vdi_index[0], rgb);
vsf_color(VDI_handle,0);
vsf_interior(VDI_handle,1);
vsf_perimeter(VDI_handle,0);
514
v_bar(VDI_handle, rect);
515
516
vs_color(VDI_handle, vdi_index[0], oldrgb);
517
518
519
520
521
522
523
524
525
526
527
}
static void GEM_ClearScreen(_THIS)
{
short pxy[4];
v_hide_c(VDI_handle);
pxy[0] = pxy[1] = 0;
pxy[2] = VDI_w - 1;
pxy[3] = VDI_h - 1;
528
GEM_ClearRect(this, pxy);
529
530
531
532
v_show_c(VDI_handle, 1);
}
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
static void GEM_SetNewPalette(_THIS, Uint16 newpal[256][3])
{
int i;
short rgb[3];
if (VDI_oldnumcolors==0)
return;
for(i = 0; i < VDI_oldnumcolors; i++) {
rgb[0] = newpal[i][0];
rgb[1] = newpal[i][1];
rgb[2] = newpal[i][2];
vs_color(VDI_handle, i, rgb);
}
}
550
551
552
553
554
555
static void GEM_LockScreen(_THIS)
{
if (!GEM_locked) {
/* Lock AES */
wind_update(BEG_UPDATE);
wind_update(BEG_MCTRL);
556
557
/* Reserve memory space, used to be sure of compatibility */
form_dial( FMD_START, 0,0,0,0, 0,0,VDI_w,VDI_h);
558
559
560
561
562
563
564
565
566
/* Save menu bar */
if (GEM_menubar) {
MFDB mfdb_src;
short blitcoords[8];
mfdb_src.fd_addr=GEM_menubar;
mfdb_src.fd_w=GEM_desk_w;
mfdb_src.fd_h=GEM_desk_y;
567
mfdb_src.fd_wdwidth=GEM_desk_w>>4;
568
569
570
571
572
573
574
575
576
577
578
579
580
581
mfdb_src.fd_nplanes=VDI_bpp;
mfdb_src.fd_stand=
mfdb_src.fd_r1=
mfdb_src.fd_r2=
mfdb_src.fd_r3= 0;
blitcoords[0] = blitcoords[4] = 0;
blitcoords[1] = blitcoords[5] = 0;
blitcoords[2] = blitcoords[6] = GEM_desk_w-1;
blitcoords[3] = blitcoords[7] = GEM_desk_y-1;
vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &VDI_dst_mfdb, &mfdb_src);
}
582
583
584
585
586
587
588
GEM_locked=SDL_TRUE;
}
}
static void GEM_UnlockScreen(_THIS)
{
if (GEM_locked) {
589
590
591
592
593
594
595
596
/* Restore menu bar */
if (GEM_menubar) {
MFDB mfdb_src;
short blitcoords[8];
mfdb_src.fd_addr=GEM_menubar;
mfdb_src.fd_w=GEM_desk_w;
mfdb_src.fd_h=GEM_desk_y;
597
mfdb_src.fd_wdwidth=GEM_desk_w>>4;
598
599
600
601
602
603
604
605
606
607
608
609
610
611
mfdb_src.fd_nplanes=VDI_bpp;
mfdb_src.fd_stand=
mfdb_src.fd_r1=
mfdb_src.fd_r2=
mfdb_src.fd_r3= 0;
blitcoords[0] = blitcoords[4] = 0;
blitcoords[1] = blitcoords[5] = 0;
blitcoords[2] = blitcoords[6] = GEM_desk_w-1;
blitcoords[3] = blitcoords[7] = GEM_desk_y-1;
vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &mfdb_src, &VDI_dst_mfdb);
}
612
613
614
615
616
617
618
619
620
621
/* Restore screen memory, and send REDRAW to all apps */
form_dial( FMD_FINISH, 0,0,0,0, 0,0,VDI_w,VDI_h);
/* Unlock AES */
wind_update(END_MCTRL);
wind_update(END_UPDATE);
GEM_locked=SDL_FALSE;
}
}
622
623
624
625
SDL_Surface *GEM_SetVideoMode(_THIS, SDL_Surface *current,
int width, int height, int bpp, Uint32 flags)
{
Uint32 modeflags, screensize;
626
SDL_bool use_shadow1, use_shadow2;
627
628
/* width must be multiple of 16, for vro_cpyfm() and c2p_convert() */
629
if ((width & 15) != 0) {
630
631
632
width = (width | 15) +1;
}
633
634
635
/*--- Verify if asked mode can be used ---*/
if (VDI_bpp != bpp) {
SDL_SetError("%d bpp mode not supported", bpp);
636
637
638
return(NULL);
}
639
640
641
642
643
644
645
if (flags & SDL_FULLSCREEN) {
if ((VDI_w < width) || (VDI_h < height)) {
SDL_SetError("%dx%d mode is too large", width, height);
return(NULL);
}
}
646
647
648
649
650
651
/*--- Allocate the new pixel format for the screen ---*/
if ( ! SDL_ReallocFormat(current, VDI_bpp, VDI_redmask, VDI_greenmask, VDI_bluemask, VDI_alphamask) ) {
SDL_SetError("Couldn't allocate new pixel format for requested mode");
return(NULL);
}
652
653
screensize = width * height * VDI_pixelsize;
654
655
656
657
#ifdef DEBUG_VIDEO_GEM
printf("sdl:video:gem: setvideomode(): %dx%dx%d = %d\n", width, height, bpp, screensize);
#endif
658
/*--- Allocate shadow buffers if needed, and conversion operations ---*/
659
660
GEM_FreeBuffers(this);
661
662
663
664
665
666
GEM_bufops=0;
use_shadow1=use_shadow2=SDL_FALSE;
if (VDI_screen && (flags & SDL_FULLSCREEN)) {
if (VDI_format==VDI_FORMAT_INTER) {
use_shadow1=SDL_TRUE;
GEM_bufops = B2S_C2P_1TOS;
667
668
}
} else {
669
670
671
672
673
674
675
use_shadow1=SDL_TRUE;
if (VDI_format==VDI_FORMAT_PACK) {
GEM_bufops = B2S_VROCPYFM_1TOS;
} else {
use_shadow2=SDL_TRUE;
GEM_bufops = B2S_C2P_1TO2|B2S_VROCPYFM_2TOS;
}
676
677
}
678
679
680
if (use_shadow1) {
GEM_buffer1 = Atari_SysMalloc(screensize, MX_PREFTTRAM);
if (GEM_buffer1==NULL) {
681
SDL_SetError("Can not allocate %d KB for frame buffer", screensize>>10);
682
683
return NULL;
}
684
SDL_memset(GEM_buffer1, 0, screensize);
685
686
687
688
#ifdef DEBUG_VIDEO_GEM
printf("sdl:video:gem: setvideomode(): allocated buffer 1\n");
#endif
}
689
690
691
692
if (use_shadow2) {
GEM_buffer2 = Atari_SysMalloc(screensize, MX_PREFTTRAM);
if (GEM_buffer2==NULL) {
693
SDL_SetError("Can not allocate %d KB for shadow buffer", screensize>>10);
694
695
return NULL;
}
696
SDL_memset(GEM_buffer2, 0, screensize);
697
698
699
#ifdef DEBUG_VIDEO_GEM
printf("sdl:video:gem: setvideomode(): allocated buffer 2\n");
#endif
700
701
702
}
/*--- Initialize screen ---*/
703
modeflags = SDL_PREALLOC;
704
705
706
707
if (VDI_bpp == 8) {
modeflags |= SDL_HWPALETTE;
}
708
if (flags & SDL_FULLSCREEN) {
709
GEM_LockScreen(this);
710
711
GEM_ClearScreen(this);
712
713
modeflags |= SDL_FULLSCREEN;
714
if (VDI_screen && (VDI_format==VDI_FORMAT_PACK) && !use_shadow1) {
715
716
717
718
modeflags |= SDL_HWSURFACE;
} else {
modeflags |= SDL_SWSURFACE;
}
719
720
GEM_fullscreen = SDL_TRUE;
721
} else {
722
int old_win_type;
723
724
short x2,y2,w2,h2;
725
GEM_UnlockScreen(this);
726
727
/* Set window gadgets */
728
old_win_type = GEM_win_type;
729
730
731
732
733
734
735
736
737
738
if (!(flags & SDL_NOFRAME)) {
GEM_win_type=NAME|MOVER|CLOSER|SMALLER;
if (flags & SDL_RESIZABLE) {
GEM_win_type |= FULLER|SIZER;
modeflags |= SDL_RESIZABLE;
}
} else {
GEM_win_type=0;
modeflags |= SDL_NOFRAME;
}
739
modeflags |= SDL_SWSURFACE;
740
741
/* Recreate window ? only for different widget or non-created window */
742
if ((old_win_type != GEM_win_type) || (GEM_handle < 0)) {
743
/* Calculate window size */
744
if (!wind_calc(WC_BORDER, GEM_win_type, 0,0,width+16,height, &x2,&y2,&w2,&h2)) {
745
746
747
748
GEM_FreeBuffers(this);
SDL_SetError("Can not calculate window attributes");
return NULL;
}
749
750
/* Center window */
751
752
753
754
755
756
757
758
759
760
x2 = (GEM_desk_w-w2)>>1;
y2 = (GEM_desk_h-h2)>>1;
if (x2<0) {
x2 = 0;
}
if (y2<0) {
y2 = 0;
}
x2 += GEM_desk_x;
y2 += GEM_desk_y;
761
762
763
764
/* Align work area on 16 pixels boundary (faster for bitplanes modes) */
wind_calc(WC_WORK, GEM_win_type, x2,y2,w2,h2, &x2,&y2,&w2,&h2);
x2 &= -16;
765
x2 -= 8;
766
767
wind_calc(WC_BORDER, GEM_win_type, x2,y2,w2,h2, &x2,&y2,&w2,&h2);
768
769
770
771
772
773
774
775
776
777
778
779
780
/* Destroy existing window */
if (GEM_handle >= 0) {
wind_close(GEM_handle);
wind_delete(GEM_handle);
}
/* Create window */
GEM_handle=wind_create(GEM_win_type, x2,y2,w2,h2);
if (GEM_handle<0) {
GEM_FreeBuffers(this);
SDL_SetError("Can not create window");
return NULL;
}
781
782
#ifdef DEBUG_VIDEO_GEM
783
printf("sdl:video:gem: handle=%d\n", GEM_handle);
784
785
#endif
786
/* Setup window name */
787
788
789
790
wind_set(GEM_handle,WF_NAME,
(short)(((unsigned long)GEM_title_name)>>16),
(short)(((unsigned long)GEM_title_name) & 0xffff),
0,0);
791
GEM_refresh_name = SDL_FALSE;
792
793
794
/* Open the window */
wind_open(GEM_handle,x2,y2,w2,h2);
795
796
GEM_iconified = SDL_FALSE;
797
} else {
798
799
/* Resize window to fit asked video mode */
wind_get (GEM_handle, WF_WORKXYWH, &x2,&y2,&w2,&h2);
800
if (wind_calc(WC_BORDER, GEM_win_type, x2,y2,width+16,height, &x2,&y2,&w2,&h2)) {
801
wind_set (GEM_handle, WF_CURRXYWH, x2,y2,w2,h2);
802
}
803
}
804
805
GEM_align_work_area(this, GEM_handle, 0);
806
GEM_fullscreen = SDL_FALSE;
807
808
809
810
811
}
/* Set up the new mode framebuffer */
current->w = width;
current->h = height;
812
813
if (use_shadow1) {
current->pixels = GEM_buffer1;
814
current->pitch = width * VDI_pixelsize;
815
816
817
818
819
} else {
current->pixels = VDI_screen;
current->pitch = VDI_pitch;
}
820
#if SDL_VIDEO_OPENGL
821
if (flags & SDL_OPENGL) {
822
if (!SDL_AtariGL_Init(this, current)) {
823
GEM_FreeBuffers(this);
824
825
SDL_SetError("Can not create OpenGL context");
return NULL;
826
827
828
829
830
831
832
833
}
modeflags |= SDL_OPENGL;
}
#endif
current->flags = modeflags;
834
835
836
837
#ifdef DEBUG_VIDEO_GEM
printf("sdl:video:gem: surface: %dx%d\n", current->w, current->h);
#endif
838
this->UpdateRects = GEM_UpdateRects;
839
GEM_lock_redraw = SDL_FALSE; /* Enable redraw */
840
841
842
843
844
/* We're done */
return(current);
}
845
void GEM_align_work_area(_THIS, short windowid, int clear_pads)
846
847
848
849
{
int new_x, new_w;
wind_get(windowid, WF_WORKXYWH, &GEM_work_x,&GEM_work_y,&GEM_work_w,&GEM_work_h);
850
if (GEM_iconified) {
851
852
return;
}
853
854
855
/* Align work area on 16 pixels boundary (faster for bitplanes modes) */
new_x = GEM_work_x;
856
new_w = GEM_work_w;
857
858
if (new_x & 15) {
new_x = (new_x|15)+1;
859
860
} else {
new_w -= 16;
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
}
new_w -= (new_x - GEM_work_x);
new_w &= -16;
if (clear_pads) {
short pxy[4];
pxy[1] = GEM_work_y;
pxy[3] = pxy[1] + GEM_work_h - 1;
/* Left padding */
pxy[0] = GEM_work_x;
pxy[2] = new_x - 1;
if (pxy[0]<=pxy[2]) {
GEM_ClearRect(this, pxy);
}
/* Right padding */
pxy[0] = new_x + new_w;
pxy[2] = GEM_work_x + GEM_work_w - 1;
if (pxy[0]<=pxy[2]) {
GEM_ClearRect(this, pxy);
}
}
GEM_work_w = new_w;
GEM_work_x = new_x;
}
890
891
892
893
static int GEM_AllocHWSurface(_THIS, SDL_Surface *surface)
{
return -1;
}
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
static void GEM_FreeHWSurface(_THIS, SDL_Surface *surface)
{
return;
}
static int GEM_LockHWSurface(_THIS, SDL_Surface *surface)
{
return(0);
}
static void GEM_UnlockHWSurface(_THIS, SDL_Surface *surface)
{
return;
}
static void GEM_UpdateRectsFullscreen(_THIS, int numrects, SDL_Rect *rects)
{
SDL_Surface *surface;
913
int i, surf_width;
914
915
surface = this->screen;
916
917
/* Need to be a multiple of 16 pixels */
surf_width=surface->w;
918
if ((surf_width & 15) != 0) {
919
920
surf_width = (surf_width | 15) + 1;
}
921
922
923
924
925
926
if (GEM_bufops & (B2S_C2P_1TO2|B2S_C2P_1TOS)) {
void *destscr;
int destpitch;
if (GEM_bufops & B2S_C2P_1TOS) {
927
destscr = VDI_screen;
928
929
930
931
932
destpitch = VDI_pitch;
} else {
destscr = GEM_buffer2;
destpitch = surface->pitch;
}
933
934
935
936
for (i=0;i<numrects;i++) {
void *source,*destination;
int x1,x2;
937
938
939
940
941
x1 = rects[i].x & ~15;
x2 = rects[i].x+rects[i].w;
if (x2 & 15) {
x2 = (x2 | 15) +1;
942
943
}
944
945
946
source = surface->pixels;
source += surface->pitch * rects[i].y;
source += x1;
947
948
949
950
951
952
953
954
955
956
957
destination = destscr;
destination += destpitch * rects[i].y;
destination += x1;
SDL_Atari_C2pConvert(
source, destination,
x2-x1, rects[i].h,
SDL_FALSE,
surface->pitch, destpitch
);
958
959
}
}
960
961
962
963
if (GEM_bufops & (B2S_VROCPYFM_1TOS|B2S_VROCPYFM_2TOS)) {
MFDB mfdb_src;
short blitcoords[8];
964
965
mfdb_src.fd_addr=surface->pixels;
966
mfdb_src.fd_w=surf_width;
967
mfdb_src.fd_h=surface->h;
968
mfdb_src.fd_wdwidth= (surface->pitch/VDI_pixelsize) >> 4;
969
970
971
972
973
974
975
976
mfdb_src.fd_nplanes=surface->format->BitsPerPixel;
mfdb_src.fd_stand=
mfdb_src.fd_r1=
mfdb_src.fd_r2=
mfdb_src.fd_r3= 0;
if (GEM_bufops & B2S_VROCPYFM_2TOS) {
mfdb_src.fd_addr=GEM_buffer2;
}
977
978
for ( i=0; i<numrects; ++i ) {
979
980
981
982
blitcoords[0] = blitcoords[4] = rects[i].x;
blitcoords[1] = blitcoords[5] = rects[i].y;
blitcoords[2] = blitcoords[6] = rects[i].x + rects[i].w - 1;
blitcoords[3] = blitcoords[7] = rects[i].y + rects[i].h - 1;
983
984
985
vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &mfdb_src, &VDI_dst_mfdb);
}
986
}
987
988
989
990
}
static void GEM_UpdateRectsWindowed(_THIS, int numrects, SDL_Rect *rects)
{
991
short pxy[4];
992
993
994
int i;
for ( i=0; i<numrects; ++i ) {
995
996
pxy[0] = GEM_work_x + rects[i].x;
pxy[1] = GEM_work_y + rects[i].y;
997
998
999
1000
pxy[2] = rects[i].w;
pxy[3] = rects[i].h;
GEM_wind_redraw(this, GEM_handle, pxy);