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 /*
25 GEM video driver
26
27 Patrice Mandin
28 and work from
29 Olivier Landemarre, Johan Klockars, Xavier Joubert, Claude Attard
30 */
31
32 /* Mint includes */
33 #include <gem.h>
34 #include <gemx.h>
35 #include <mint/osbind.h>
36 #include <mint/cookie.h>
37
38 #include "SDL_endian.h"
39 #include "SDL_video.h"
40 #include "SDL_mouse.h"
41 #include "../SDL_sysvideo.h"
42 #include "../SDL_pixels_c.h"
43 #include "../../events/SDL_events_c.h"
44 #include "../SDL_cursor_c.h"
45
46 #include "../ataricommon/SDL_ataric2p_s.h"
47 #include "../ataricommon/SDL_atarieddi_s.h"
48 #include "../ataricommon/SDL_atarimxalloc_c.h"
49 #include "../ataricommon/SDL_atarigl_c.h"
50
51 #include "SDL_gemvideo.h"
52 #include "SDL_gemevents_c.h"
53 #include "SDL_gemmouse_c.h"
54 #include "SDL_gemwm_c.h"
55 #include "../ataricommon/SDL_xbiosevents_c.h"
56 #include "../ataricommon/SDL_ataridevmouse_c.h"
57
58 /* Defines */
59
60 /*#define DEBUG_VIDEO_GEM 1*/
61
62 #define GEM_VID_DRIVER_NAME "gem"
63
64 #undef MIN
65 #define MIN(a,b) (((a)<(b)) ? (a) : (b))
66 #undef MAX
67 #define MAX(a,b) (((a)>(b)) ? (a) : (b))
68
69 /* Variables */
70
71 static unsigned char vdi_index[256] = {
72 0, 2, 3, 6, 4, 7, 5, 8,
73 9, 10, 11, 14, 12, 15, 13, 255
74 };
75
76 static const char empty_name[]="";
77
78 /* Initialization/Query functions */
79 static int GEM_VideoInit(_THIS, SDL_PixelFormat *vformat);
80 static SDL_Rect **GEM_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
81 static SDL_Surface *GEM_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
82 static int GEM_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
83 static void GEM_VideoQuit(_THIS);
84
85 /* Hardware surface functions */
86 static int GEM_AllocHWSurface(_THIS, SDL_Surface *surface);
87 static int GEM_LockHWSurface(_THIS, SDL_Surface *surface);
88 static int GEM_FlipHWSurface(_THIS, SDL_Surface *surface);
89 static void GEM_UnlockHWSurface(_THIS, SDL_Surface *surface);
90 static void GEM_FreeHWSurface(_THIS, SDL_Surface *surface);
91 static void GEM_UpdateRects(_THIS, int numrects, SDL_Rect *rects);
92 #if 0
93 static int GEM_ToggleFullScreen(_THIS, int on);
94 #endif
95
96 /* Internal functions */
97 static void GEM_FreeBuffers(_THIS);
98 static void GEM_ClearScreen(_THIS);
99 static void GEM_ClearRect(_THIS, short *rect);
100 static void GEM_SetNewPalette(_THIS, Uint16 newpal[256][3]);
101 static void GEM_LockScreen(_THIS);
102 static void GEM_UnlockScreen(_THIS);
103 static void refresh_window(_THIS, int winhandle, short *rect);
104
105 #if SDL_VIDEO_OPENGL
106 /* OpenGL functions */
107 static void GEM_GL_SwapBuffers(_THIS);
108 #endif
109
110 /* GEM driver bootstrap functions */
111
GEM_Available(void)112 static int GEM_Available(void)
113 {
114 /* Test if AES available */
115 if (appl_init() == -1)
116 return 0;
117
118 appl_exit();
119 return 1;
120 }
121
GEM_DeleteDevice(SDL_VideoDevice * device)122 static void GEM_DeleteDevice(SDL_VideoDevice *device)
123 {
124 SDL_free(device->hidden);
125 SDL_free(device);
126 }
127
GEM_CreateDevice(int devindex)128 static SDL_VideoDevice *GEM_CreateDevice(int devindex)
129 {
130 SDL_VideoDevice *device;
131 int vectors_mask;
132 /* unsigned long dummy;*/
133
134 /* Initialize all variables that we clean on shutdown */
135 device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice));
136 if ( device ) {
137 SDL_memset(device, 0, (sizeof *device));
138 device->hidden = (struct SDL_PrivateVideoData *)
139 SDL_malloc((sizeof *device->hidden));
140 device->gl_data = (struct SDL_PrivateGLData *)
141 SDL_malloc((sizeof *device->gl_data));
142 }
143 if ( (device == NULL) || (device->hidden == NULL) ) {
144 SDL_OutOfMemory();
145 if ( device ) {
146 SDL_free(device);
147 }
148 return(0);
149 }
150 SDL_memset(device->hidden, 0, (sizeof *device->hidden));
151 SDL_memset(device->gl_data, 0, sizeof(*device->gl_data));
152
153 /* Set the function pointers */
154 device->VideoInit = GEM_VideoInit;
155 device->ListModes = GEM_ListModes;
156 device->SetVideoMode = GEM_SetVideoMode;
157 device->SetColors = GEM_SetColors;
158 device->UpdateRects = NULL /*GEM_UpdateRects*/;
159 device->VideoQuit = GEM_VideoQuit;
160 device->AllocHWSurface = GEM_AllocHWSurface;
161 device->LockHWSurface = GEM_LockHWSurface;
162 device->UnlockHWSurface = GEM_UnlockHWSurface;
163 device->FlipHWSurface = GEM_FlipHWSurface;
164 device->FreeHWSurface = GEM_FreeHWSurface;
165 device->ToggleFullScreen = NULL /*GEM_ToggleFullScreen*/;
166
167 /* Window manager */
168 device->SetCaption = GEM_SetCaption;
169 device->SetIcon = GEM_SetIcon;
170 device->IconifyWindow = GEM_IconifyWindow;
171 device->GrabInput = GEM_GrabInput;
172
173 /* Events */
174 device->InitOSKeymap = GEM_InitOSKeymap;
175 device->PumpEvents = GEM_PumpEvents;
176
177 /* Mouse */
178 device->FreeWMCursor = GEM_FreeWMCursor;
179 device->CreateWMCursor = GEM_CreateWMCursor;
180 device->ShowWMCursor = GEM_ShowWMCursor;
181 device->WarpWMCursor = NULL /*GEM_WarpWMCursor*/;
182 device->CheckMouseMode = GEM_CheckMouseMode;
183
184 #if SDL_VIDEO_OPENGL
185 /* OpenGL functions */
186 device->GL_LoadLibrary = SDL_AtariGL_LoadLibrary;
187 device->GL_GetProcAddress = SDL_AtariGL_GetProcAddress;
188 device->GL_GetAttribute = SDL_AtariGL_GetAttribute;
189 device->GL_MakeCurrent = SDL_AtariGL_MakeCurrent;
190 device->GL_SwapBuffers = GEM_GL_SwapBuffers;
191 #endif
192
193 device->hidden->use_dev_mouse =
194 (SDL_AtariDevMouse_Open()!=0) ? SDL_TRUE : SDL_FALSE;
195
196 vectors_mask = ATARI_XBIOS_JOYSTICKEVENTS; /* XBIOS joystick events */
197 if (!(device->hidden->use_dev_mouse)) {
198 vectors_mask |= ATARI_XBIOS_MOUSEEVENTS; /* XBIOS mouse events */
199 }
200 /* if (Getcookie(C_MiNT, &dummy)==C_FOUND) {
201 vectors_mask = 0;
202 }*/
203
204 SDL_AtariXbios_InstallVectors(vectors_mask);
205
206 device->free = GEM_DeleteDevice;
207
208 return device;
209 }
210
211 VideoBootStrap GEM_bootstrap = {
212 GEM_VID_DRIVER_NAME, "Atari GEM video driver",
213 GEM_Available, GEM_CreateDevice
214 };
215
VDI_ReadExtInfo(_THIS,short * work_out)216 static void VDI_ReadExtInfo(_THIS, short *work_out)
217 {
218 unsigned long EdDI_version;
219 long cookie_EdDI;
220 Uint16 clut_type;
221
222 /* Read EdDI informations */
223 if (Getcookie(C_EdDI, &cookie_EdDI) == C_NOTFOUND) {
224 return;
225 }
226
227 EdDI_version = Atari_get_EdDI_version( (void *)cookie_EdDI);
228
229 vq_scrninfo(VDI_handle, work_out);
230
231 VDI_format = work_out[0];
232 clut_type = work_out[1];
233
234 /* With EdDI>=1.1, we can have screen pitch, address and format
235 * so we can directly write to screen without using vro_cpyfm
236 */
237 if (EdDI_version >= EDDI_11) {
238 VDI_pitch = work_out[5];
239 VDI_screen = (void *) *((unsigned long *) &work_out[6]);
240 }
241
242 switch(clut_type) {
243 case VDI_CLUT_HARDWARE:
244 {
245 int i;
246 Uint16 *tmp_p;
247
248 tmp_p = (Uint16 *)&work_out[16];
249
250 for (i=0;i<256;i++) {
251 vdi_index[*tmp_p++] = i;
252 }
253 }
254 break;
255 case VDI_CLUT_SOFTWARE:
256 {
257 int component; /* red, green, blue, alpha, overlay */
258 int num_bit;
259 unsigned short *tmp_p;
260
261 /* We can build masks with info here */
262 tmp_p = (unsigned short *) &work_out[16];
263 for (component=0;component<5;component++) {
264 for (num_bit=0;num_bit<16;num_bit++) {
265 unsigned short valeur;
266
267 valeur = *tmp_p++;
268
269 if (valeur == 0xffff) {
270 continue;
271 }
272
273 switch(component) {
274 case 0:
275 VDI_redmask |= 1<< valeur;
276 break;
277 case 1:
278 VDI_greenmask |= 1<< valeur;
279 break;
280 case 2:
281 VDI_bluemask |= 1<< valeur;
282 break;
283 case 3:
284 VDI_alphamask |= 1<< valeur;
285 break;
286 }
287 }
288 }
289 }
290
291 /* Remove lower green bits for Intel endian screen */
292 if ((VDI_greenmask == ((7<<13)|3)) || (VDI_greenmask == ((7<<13)|7))) {
293 VDI_greenmask &= ~(7<<13);
294 }
295 break;
296 case VDI_CLUT_NONE:
297 break;
298 }
299 }
300
GEM_VideoInit(_THIS,SDL_PixelFormat * vformat)301 int GEM_VideoInit(_THIS, SDL_PixelFormat *vformat)
302 {
303 int i, menubar_size;
304 short work_in[12], work_out[272], dummy;
305
306 /* Open AES (Application Environment Services) */
307 if (appl_init() == -1) {
308 fprintf(stderr,"Can not open AES\n");
309 return 1;
310 }
311
312 /* Read version and features */
313 GEM_version = aes_global[0];
314 if (GEM_version >= 0x0410) {
315 short ap_gout[4], errorcode;
316
317 GEM_wfeatures=0;
318 errorcode=appl_getinfo(AES_WINDOW, &ap_gout[0], &ap_gout[1], &ap_gout[2], &ap_gout[3]);
319
320 if (errorcode==0) {
321 GEM_wfeatures=ap_gout[0];
322 }
323 }
324
325 /* Ask VDI physical workstation handle opened by AES */
326 VDI_handle = graf_handle(&dummy, &dummy, &dummy, &dummy);
327 if (VDI_handle<1) {
328 fprintf(stderr,"Wrong VDI handle %d returned by AES\n",VDI_handle);
329 return 1;
330 }
331
332 /* Open virtual VDI workstation */
333 work_in[0]=Getrez()+2;
334 for(i = 1; i < 10; i++)
335 work_in[i] = 1;
336 work_in[10] = 2;
337
338 v_opnvwk(work_in, &VDI_handle, work_out);
339 if (VDI_handle == 0) {
340 fprintf(stderr,"Can not open VDI virtual workstation\n");
341 return 1;
342 }
343
344 /* Read fullscreen size */
345 VDI_w = work_out[0] + 1;
346 VDI_h = work_out[1] + 1;
347
348 /* Read desktop size and position */
349 if (!wind_get(DESKTOP_HANDLE, WF_WORKXYWH, &GEM_desk_x, &GEM_desk_y, &GEM_desk_w, &GEM_desk_h)) {
350 fprintf(stderr,"Can not read desktop properties\n");
351 return 1;
352 }
353
354 /* Read bit depth */
355 vq_extnd(VDI_handle, 1, work_out);
356 VDI_bpp = work_out[4];
357 VDI_oldnumcolors=0;
358
359 switch(VDI_bpp) {
360 case 8:
361 VDI_pixelsize=1;
362 break;
363 case 15:
364 case 16:
365 VDI_pixelsize=2;
366 break;
367 case 24:
368 VDI_pixelsize=3;
369 break;
370 case 32:
371 VDI_pixelsize=4;
372 break;
373 default:
374 fprintf(stderr,"%d bits colour depth not supported\n",VDI_bpp);
375 return 1;
376 }
377
378 /* Setup hardware -> VDI palette mapping */
379 for(i = 16; i < 255; i++) {
380 vdi_index[i] = i;
381 }
382 vdi_index[255] = 1;
383
384 /* Save current palette */
385 if (VDI_bpp>8) {
386 VDI_oldnumcolors=1<<8;
387 } else {
388 VDI_oldnumcolors=1<<VDI_bpp;
389 }
390
391 for(i = 0; i < VDI_oldnumcolors; i++) {
392 short rgb[3];
393
394 vq_color(VDI_handle, i, 0, rgb);
395
396 VDI_oldpalette[i][0] = rgb[0];
397 VDI_oldpalette[i][1] = rgb[1];
398 VDI_oldpalette[i][2] = rgb[2];
399 }
400 VDI_setpalette = GEM_SetNewPalette;
401 SDL_memcpy(VDI_curpalette,VDI_oldpalette,sizeof(VDI_curpalette));
402
403 /* Setup screen info */
404 GEM_title_name = empty_name;
405 GEM_icon_name = empty_name;
406
407 GEM_handle = -1;
408 GEM_locked = SDL_FALSE;
409 GEM_win_fulled = SDL_FALSE;
410 GEM_fullscreen = SDL_FALSE;
411 GEM_lock_redraw = SDL_TRUE; /* Prevent redraw till buffers are setup */
412
413 VDI_screen = NULL;
414 VDI_pitch = VDI_w * VDI_pixelsize;
415 VDI_format = ( (VDI_bpp <= 8) ? VDI_FORMAT_INTER : VDI_FORMAT_PACK);
416 VDI_redmask = VDI_greenmask = VDI_bluemask = VDI_alphamask = 0;
417 VDI_ReadExtInfo(this, work_out);
418
419 #ifdef DEBUG_VIDEO_GEM
420 printf("sdl:video:gem: screen: address=0x%08x, pitch=%d\n", VDI_screen, VDI_pitch);
421 printf("sdl:video:gem: format=%d\n", VDI_format);
422 printf("sdl:video:gem: masks: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
423 VDI_alphamask, VDI_redmask, VDI_greenmask, VDI_bluemask
424 );
425 #endif
426
427 /* Setup destination mfdb */
428 VDI_dst_mfdb.fd_addr = NULL;
429
430 /* Determine the current screen size */
431 this->info.current_w = VDI_w;
432 this->info.current_h = VDI_h;
433
434 /* Determine the screen depth */
435 /* we change this during the SDL_SetVideoMode implementation... */
436 vformat->BitsPerPixel = VDI_bpp;
437
438 /* Set mouse cursor to arrow */
439 graf_mouse(ARROW, NULL);
440 GEM_cursor = NULL;
441
442 /* Init chunky to planar routine */
443 SDL_Atari_C2pConvert = SDL_Atari_C2pConvert8;
444
445 /* Setup VDI fill functions */
446 vsf_color(VDI_handle,0);
447 vsf_interior(VDI_handle,1);
448 vsf_perimeter(VDI_handle,0);
449
450 /* Menu bar save buffer */
451 menubar_size = GEM_desk_w * GEM_desk_y * VDI_pixelsize;
452 GEM_menubar=Atari_SysMalloc(menubar_size,MX_PREFTTRAM);
453
454 /* Fill video modes list */
455 SDL_modelist[0] = SDL_malloc(sizeof(SDL_Rect));
456 SDL_modelist[0]->x = 0;
457 SDL_modelist[0]->y = 0;
458 SDL_modelist[0]->w = VDI_w;
459 SDL_modelist[0]->h = VDI_h;
460
461 SDL_modelist[1] = NULL;
462
463 #if SDL_VIDEO_OPENGL
464 SDL_AtariGL_InitPointers(this);
465 #endif
466
467 this->info.wm_available = 1;
468
469 /* We're done! */
470 return(0);
471 }
472
GEM_ListModes(_THIS,SDL_PixelFormat * format,Uint32 flags)473 SDL_Rect **GEM_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
474 {
475 if (format->BitsPerPixel != VDI_bpp) {
476 return ((SDL_Rect **)NULL);
477 }
478
479 if (flags & SDL_FULLSCREEN) {
480 return (SDL_modelist);
481 }
482
483 return((SDL_Rect **)-1);
484 }
485
GEM_FreeBuffers(_THIS)486 static void GEM_FreeBuffers(_THIS)
487 {
488 /* Release buffer */
489 if ( GEM_buffer2 ) {
490 Mfree( GEM_buffer2 );
491 GEM_buffer2=NULL;
492 }
493
494 if ( GEM_buffer1 ) {
495 Mfree( GEM_buffer1 );
496 GEM_buffer1=NULL;
497 }
498 }
499
GEM_ClearRect(_THIS,short * rect)500 static void GEM_ClearRect(_THIS, short *rect)
501 {
502 short oldrgb[3], rgb[3]={0,0,0};
503
504 vq_color(VDI_handle, vdi_index[0], 0, oldrgb);
505 vs_color(VDI_handle, vdi_index[0], rgb);
506
507 vsf_color(VDI_handle,0);
508 vsf_interior(VDI_handle,1);
509 vsf_perimeter(VDI_handle,0);
510 v_bar(VDI_handle, rect);
511
512 vs_color(VDI_handle, vdi_index[0], oldrgb);
513 }
514
GEM_ClearScreen(_THIS)515 static void GEM_ClearScreen(_THIS)
516 {
517 short pxy[4];
518
519 v_hide_c(VDI_handle);
520
521 pxy[0] = pxy[1] = 0;
522 pxy[2] = VDI_w - 1;
523 pxy[3] = VDI_h - 1;
524 GEM_ClearRect(this, pxy);
525
526 v_show_c(VDI_handle, 1);
527 }
528
GEM_SetNewPalette(_THIS,Uint16 newpal[256][3])529 static void GEM_SetNewPalette(_THIS, Uint16 newpal[256][3])
530 {
531 int i;
532 short rgb[3];
533
534 if (VDI_oldnumcolors==0)
535 return;
536
537 for(i = 0; i < VDI_oldnumcolors; i++) {
538 rgb[0] = newpal[i][0];
539 rgb[1] = newpal[i][1];
540 rgb[2] = newpal[i][2];
541
542 vs_color(VDI_handle, i, rgb);
543 }
544 }
545
GEM_LockScreen(_THIS)546 static void GEM_LockScreen(_THIS)
547 {
548 if (!GEM_locked) {
549 /* Lock AES */
550 wind_update(BEG_UPDATE);
551 wind_update(BEG_MCTRL);
552 /* Reserve memory space, used to be sure of compatibility */
553 form_dial( FMD_START, 0,0,0,0, 0,0,VDI_w,VDI_h);
554
555 /* Save menu bar */
556 if (GEM_menubar) {
557 MFDB mfdb_src;
558 short blitcoords[8];
559
560 mfdb_src.fd_addr=GEM_menubar;
561 mfdb_src.fd_w=GEM_desk_w;
562 mfdb_src.fd_h=GEM_desk_y;
563 mfdb_src.fd_wdwidth=GEM_desk_w>>4;
564 mfdb_src.fd_nplanes=VDI_bpp;
565 mfdb_src.fd_stand=
566 mfdb_src.fd_r1=
567 mfdb_src.fd_r2=
568 mfdb_src.fd_r3= 0;
569
570 blitcoords[0] = blitcoords[4] = 0;
571 blitcoords[1] = blitcoords[5] = 0;
572 blitcoords[2] = blitcoords[6] = GEM_desk_w-1;
573 blitcoords[3] = blitcoords[7] = GEM_desk_y-1;
574
575 vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &VDI_dst_mfdb, &mfdb_src);
576 }
577
578 GEM_locked=SDL_TRUE;
579 }
580 }
581
GEM_UnlockScreen(_THIS)582 static void GEM_UnlockScreen(_THIS)
583 {
584 if (GEM_locked) {
585 /* Restore menu bar */
586 if (GEM_menubar) {
587 MFDB mfdb_src;
588 short blitcoords[8];
589
590 mfdb_src.fd_addr=GEM_menubar;
591 mfdb_src.fd_w=GEM_desk_w;
592 mfdb_src.fd_h=GEM_desk_y;
593 mfdb_src.fd_wdwidth=GEM_desk_w>>4;
594 mfdb_src.fd_nplanes=VDI_bpp;
595 mfdb_src.fd_stand=
596 mfdb_src.fd_r1=
597 mfdb_src.fd_r2=
598 mfdb_src.fd_r3= 0;
599
600 blitcoords[0] = blitcoords[4] = 0;
601 blitcoords[1] = blitcoords[5] = 0;
602 blitcoords[2] = blitcoords[6] = GEM_desk_w-1;
603 blitcoords[3] = blitcoords[7] = GEM_desk_y-1;
604
605 vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &mfdb_src, &VDI_dst_mfdb);
606 }
607
608 /* Restore screen memory, and send REDRAW to all apps */
609 form_dial( FMD_FINISH, 0,0,0,0, 0,0,VDI_w,VDI_h);
610 /* Unlock AES */
611 wind_update(END_MCTRL);
612 wind_update(END_UPDATE);
613
614 GEM_locked=SDL_FALSE;
615 }
616 }
617
GEM_SetVideoMode(_THIS,SDL_Surface * current,int width,int height,int bpp,Uint32 flags)618 SDL_Surface *GEM_SetVideoMode(_THIS, SDL_Surface *current,
619 int width, int height, int bpp, Uint32 flags)
620 {
621 Uint32 modeflags, screensize;
622 SDL_bool use_shadow1, use_shadow2;
623
624 /* width must be multiple of 16, for vro_cpyfm() and c2p_convert() */
625 if ((width & 15) != 0) {
626 width = (width | 15) +1;
627 }
628
629 /*--- Verify if asked mode can be used ---*/
630 if (VDI_bpp != bpp) {
631 SDL_SetError("%d bpp mode not supported", bpp);
632 return(NULL);
633 }
634
635 if (flags & SDL_FULLSCREEN) {
636 if ((VDI_w < width) || (VDI_h < height)) {
637 SDL_SetError("%dx%d mode is too large", width, height);
638 return(NULL);
639 }
640 }
641
642 /*--- Allocate the new pixel format for the screen ---*/
643 if ( ! SDL_ReallocFormat(current, VDI_bpp, VDI_redmask, VDI_greenmask, VDI_bluemask, VDI_alphamask) ) {
644 SDL_SetError("Couldn't allocate new pixel format for requested mode");
645 return(NULL);
646 }
647
648 screensize = width * height * VDI_pixelsize;
649
650 #ifdef DEBUG_VIDEO_GEM
651 printf("sdl:video:gem: setvideomode(): %dx%dx%d = %d\n", width, height, bpp, screensize);
652 #endif
653
654 /*--- Allocate shadow buffers if needed, and conversion operations ---*/
655 GEM_FreeBuffers(this);
656
657 GEM_bufops=0;
658 use_shadow1=use_shadow2=SDL_FALSE;
659 if (VDI_screen && (flags & SDL_FULLSCREEN)) {
660 if (VDI_format==VDI_FORMAT_INTER) {
661 use_shadow1=SDL_TRUE;
662 GEM_bufops = B2S_C2P_1TOS;
663 }
664 } else {
665 use_shadow1=SDL_TRUE;
666 if (VDI_format==VDI_FORMAT_PACK) {
667 GEM_bufops = B2S_VROCPYFM_1TOS;
668 } else {
669 use_shadow2=SDL_TRUE;
670 GEM_bufops = B2S_C2P_1TO2|B2S_VROCPYFM_2TOS;
671 }
672 }
673
674 if (use_shadow1) {
675 GEM_buffer1 = Atari_SysMalloc(screensize, MX_PREFTTRAM);
676 if (GEM_buffer1==NULL) {
677 SDL_SetError("Can not allocate %d KB for frame buffer", screensize>>10);
678 return NULL;
679 }
680 SDL_memset(GEM_buffer1, 0, screensize);
681 #ifdef DEBUG_VIDEO_GEM
682 printf("sdl:video:gem: setvideomode(): allocated buffer 1\n");
683 #endif
684 }
685
686 if (use_shadow2) {
687 GEM_buffer2 = Atari_SysMalloc(screensize, MX_PREFTTRAM);
688 if (GEM_buffer2==NULL) {
689 SDL_SetError("Can not allocate %d KB for shadow buffer", screensize>>10);
690 return NULL;
691 }
692 SDL_memset(GEM_buffer2, 0, screensize);
693 #ifdef DEBUG_VIDEO_GEM
694 printf("sdl:video:gem: setvideomode(): allocated buffer 2\n");
695 #endif
696 }
697
698 /*--- Initialize screen ---*/
699 modeflags = SDL_PREALLOC;
700 if (VDI_bpp == 8) {
701 modeflags |= SDL_HWPALETTE;
702 }
703
704 if (flags & SDL_FULLSCREEN) {
705 GEM_LockScreen(this);
706
707 GEM_ClearScreen(this);
708
709 modeflags |= SDL_FULLSCREEN;
710 if (VDI_screen && (VDI_format==VDI_FORMAT_PACK) && !use_shadow1) {
711 modeflags |= SDL_HWSURFACE;
712 } else {
713 modeflags |= SDL_SWSURFACE;
714 }
715
716 GEM_fullscreen = SDL_TRUE;
717 } else {
718 int old_win_type;
719 short x2,y2,w2,h2;
720
721 GEM_UnlockScreen(this);
722
723 /* Set window gadgets */
724 old_win_type = GEM_win_type;
725 if (!(flags & SDL_NOFRAME)) {
726 GEM_win_type=NAME|MOVER|CLOSER|SMALLER;
727 if (flags & SDL_RESIZABLE) {
728 GEM_win_type |= FULLER|SIZER;
729 modeflags |= SDL_RESIZABLE;
730 }
731 } else {
732 GEM_win_type=0;
733 modeflags |= SDL_NOFRAME;
734 }
735 modeflags |= SDL_SWSURFACE;
736
737 /* Recreate window ? only for different widget or non-created window */
738 if ((old_win_type != GEM_win_type) || (GEM_handle < 0)) {
739 /* Calculate window size */
740 if (!wind_calc(WC_BORDER, GEM_win_type, 0,0,width,height, &x2,&y2,&w2,&h2)) {
741 GEM_FreeBuffers(this);
742 SDL_SetError("Can not calculate window attributes");
743 return NULL;
744 }
745
746 /* Center window */
747 x2 = (GEM_desk_w-w2)>>1;
748 y2 = (GEM_desk_h-h2)>>1;
749 if (x2<0) {
750 x2 = 0;
751 }
752 if (y2<0) {
753 y2 = 0;
754 }
755 x2 += GEM_desk_x;
756 y2 += GEM_desk_y;
757
758 /* Destroy existing window */
759 if (GEM_handle >= 0) {
760 wind_close(GEM_handle);
761 wind_delete(GEM_handle);
762 }
763
764 /* Create window */
765 GEM_handle=wind_create(GEM_win_type, x2,y2,w2,h2);
766 if (GEM_handle<0) {
767 GEM_FreeBuffers(this);
768 SDL_SetError("Can not create window");
769 return NULL;
770 }
771
772 #ifdef DEBUG_VIDEO_GEM
773 printf("sdl:video:gem: handle=%d\n", GEM_handle);
774 #endif
775
776 /* Setup window name */
777 wind_set(GEM_handle,WF_NAME,(short)(((unsigned long)GEM_title_name)>>16),(short)(((unsigned long)GEM_title_name) & 0xffff),0,0);
778 GEM_refresh_name = SDL_FALSE;
779
780 /* Open the window */
781 wind_open(GEM_handle,x2,y2,w2,h2);
782 } else {
783 /* Resize window to fit asked video mode */
784 wind_get (GEM_handle, WF_WORKXYWH, &x2,&y2,&w2,&h2);
785 if (wind_calc(WC_BORDER, GEM_win_type, x2,y2,width,height, &x2,&y2,&w2,&h2)) {
786 wind_set (GEM_handle, WF_CURRXYWH, x2,y2,w2,h2);
787 }
788 }
789
790 GEM_fullscreen = SDL_FALSE;
791 }
792
793 /* Set up the new mode framebuffer */
794 current->w = width;
795 current->h = height;
796 if (use_shadow1) {
797 current->pixels = GEM_buffer1;
798 current->pitch = width * VDI_pixelsize;
799 } else {
800 current->pixels = VDI_screen;
801 current->pitch = VDI_pitch;
802 }
803
804 #if SDL_VIDEO_OPENGL
805 if (flags & SDL_OPENGL) {
806 if (!SDL_AtariGL_Init(this, current)) {
807 GEM_FreeBuffers(this);
808 SDL_SetError("Can not create OpenGL context");
809 return NULL;
810 }
811
812 modeflags |= SDL_OPENGL;
813 }
814 #endif
815
816 current->flags = modeflags;
817
818 #ifdef DEBUG_VIDEO_GEM
819 printf("sdl:video:gem: surface: %dx%d\n", current->w, current->h);
820 #endif
821
822 this->UpdateRects = GEM_UpdateRects;
823 GEM_lock_redraw = SDL_FALSE; /* Enable redraw */
824
825 /* We're done */
826 return(current);
827 }
828
GEM_AllocHWSurface(_THIS,SDL_Surface * surface)829 static int GEM_AllocHWSurface(_THIS, SDL_Surface *surface)
830 {
831 return -1;
832 }
833
GEM_FreeHWSurface(_THIS,SDL_Surface * surface)834 static void GEM_FreeHWSurface(_THIS, SDL_Surface *surface)
835 {
836 return;
837 }
838
GEM_LockHWSurface(_THIS,SDL_Surface * surface)839 static int GEM_LockHWSurface(_THIS, SDL_Surface *surface)
840 {
841 return(0);
842 }
843
GEM_UnlockHWSurface(_THIS,SDL_Surface * surface)844 static void GEM_UnlockHWSurface(_THIS, SDL_Surface *surface)
845 {
846 return;
847 }
848
GEM_UpdateRectsFullscreen(_THIS,int numrects,SDL_Rect * rects)849 static void GEM_UpdateRectsFullscreen(_THIS, int numrects, SDL_Rect *rects)
850 {
851 SDL_Surface *surface;
852 int i, surf_width;
853
854 surface = this->screen;
855 /* Need to be a multiple of 16 pixels */
856 surf_width=surface->w;
857 if ((surf_width & 15) != 0) {
858 surf_width = (surf_width | 15) + 1;
859 }
860
861 if (GEM_bufops & (B2S_C2P_1TO2|B2S_C2P_1TOS)) {
862 void *destscr;
863 int destpitch;
864
865 if (GEM_bufops & B2S_C2P_1TOS) {
866 destscr = VDI_screen;
867 destpitch = VDI_pitch;
868 } else {
869 destscr = GEM_buffer2;
870 destpitch = surface->pitch;
871 }
872
873 for (i=0;i<numrects;i++) {
874 void *source,*destination;
875 int x1,x2;
876
877 x1 = rects[i].x & ~15;
878 x2 = rects[i].x+rects[i].w;
879 if (x2 & 15) {
880 x2 = (x2 | 15) +1;
881 }
882
883 source = surface->pixels;
884 source += surface->pitch * rects[i].y;
885 source += x1;
886
887 destination = destscr;
888 destination += destpitch * rects[i].y;
889 destination += x1;
890
891 SDL_Atari_C2pConvert(
892 source, destination,
893 x2-x1, rects[i].h,
894 SDL_FALSE,
895 surface->pitch, destpitch
896 );
897 }
898 }
899
900 if (GEM_bufops & (B2S_VROCPYFM_1TOS|B2S_VROCPYFM_2TOS)) {
901 MFDB mfdb_src;
902 short blitcoords[8];
903
904 mfdb_src.fd_addr=surface->pixels;
905 mfdb_src.fd_w=surf_width;
906 mfdb_src.fd_h=surface->h;
907 mfdb_src.fd_wdwidth= (surface->pitch/VDI_pixelsize) >> 4;
908 mfdb_src.fd_nplanes=surface->format->BitsPerPixel;
909 mfdb_src.fd_stand=
910 mfdb_src.fd_r1=
911 mfdb_src.fd_r2=
912 mfdb_src.fd_r3= 0;
913 if (GEM_bufops & B2S_VROCPYFM_2TOS) {
914 mfdb_src.fd_addr=GEM_buffer2;
915 }
916
917 for ( i=0; i<numrects; ++i ) {
918 blitcoords[0] = blitcoords[4] = rects[i].x;
919 blitcoords[1] = blitcoords[5] = rects[i].y;
920 blitcoords[2] = blitcoords[6] = rects[i].x + rects[i].w - 1;
921 blitcoords[3] = blitcoords[7] = rects[i].y + rects[i].h - 1;
922
923 vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &mfdb_src, &VDI_dst_mfdb);
924 }
925 }
926 }
927
GEM_UpdateRectsWindowed(_THIS,int numrects,SDL_Rect * rects)928 static void GEM_UpdateRectsWindowed(_THIS, int numrects, SDL_Rect *rects)
929 {
930 short pxy[4], wind_pxy[4];
931 int i;
932
933 if (wind_get(GEM_handle, WF_WORKXYWH, &wind_pxy[0], &wind_pxy[1], &wind_pxy[2], &wind_pxy[3])==0) {
934 return;
935 }
936
937 for ( i=0; i<numrects; ++i ) {
938 pxy[0] = wind_pxy[0] + rects[i].x;
939 pxy[1] = wind_pxy[1] + rects[i].y;
940 pxy[2] = rects[i].w;
941 pxy[3] = rects[i].h;
942
943 GEM_wind_redraw(this, GEM_handle, pxy);
944 }
945 }
946
GEM_UpdateRects(_THIS,int numrects,SDL_Rect * rects)947 static void GEM_UpdateRects(_THIS, int numrects, SDL_Rect *rects)
948 {
949 SDL_Surface *surface;
950
951 if (GEM_lock_redraw) {
952 return;
953 }
954
955 surface = this->screen;
956
957 if (surface->flags & SDL_FULLSCREEN) {
958 GEM_UpdateRectsFullscreen(this, numrects, rects);
959 } else {
960 GEM_UpdateRectsWindowed(this, numrects, rects);
961 }
962 }
963
GEM_FlipHWSurfaceFullscreen(_THIS,SDL_Surface * surface)964 static int GEM_FlipHWSurfaceFullscreen(_THIS, SDL_Surface *surface)
965 {
966 int surf_width;
967
968 /* Need to be a multiple of 16 pixels */
969 surf_width=surface->w;
970 if ((surf_width & 15) != 0) {
971 surf_width = (surf_width | 15) + 1;
972 }
973
974 if (GEM_bufops & (B2S_C2P_1TO2|B2S_C2P_1TOS)) {
975 void *destscr;
976 int destpitch;
977
978 if (GEM_bufops & B2S_C2P_1TOS) {
979 destscr = VDI_screen;
980 destpitch = VDI_pitch;
981 } else {
982 destscr = GEM_buffer2;
983 destpitch = surface->pitch;
984 }
985
986 SDL_Atari_C2pConvert(
987 surface->pixels, destscr,
988 surf_width, surface->h,
989 SDL_FALSE,
990 surface->pitch, destpitch
991 );
992 }
993
994 if (GEM_bufops & (B2S_VROCPYFM_1TOS|B2S_VROCPYFM_2TOS)) {
995 MFDB mfdb_src;
996 short blitcoords[8];
997
998 mfdb_src.fd_w=surf_width;
999 mfdb_src.fd_h=surface->h;
1000 mfdb_src.fd_wdwidth=mfdb_src.fd_w >> 4;
1001 mfdb_src.fd_nplanes=surface->format->BitsPerPixel;
1002 mfdb_src.fd_stand=
1003 mfdb_src.fd_r1=
1004 mfdb_src.fd_r2=
1005 mfdb_src.fd_r3= 0;
1006 if (GEM_bufops & B2S_VROCPYFM_1TOS) {
1007 mfdb_src.fd_addr=surface->pixels;
1008 } else {
1009 mfdb_src.fd_addr=GEM_buffer2;
1010 }
1011
1012 blitcoords[0] = blitcoords[4] = 0;
1013 blitcoords[1] = blitcoords[5] = 0;
1014 blitcoords[2] = blitcoords[6] = surface->w - 1;
1015 blitcoords[3] = blitcoords[7] = surface->h - 1;
1016
1017 vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &mfdb_src, &VDI_dst_mfdb);
1018 }
1019
1020 return(0);
1021 }
1022
GEM_FlipHWSurfaceWindowed(_THIS,SDL_Surface * surface)1023 static int GEM_FlipHWSurfaceWindowed(_THIS, SDL_Surface *surface)
1024 {
1025 short pxy[8];
1026
1027 /* Update the whole window */
1028 wind_get(GEM_handle, WF_WORKXYWH, &pxy[0], &pxy[1], &pxy[2], &pxy[3]);
1029
1030 GEM_wind_redraw(this, GEM_handle, pxy);
1031
1032 return(0);
1033 }
1034
GEM_FlipHWSurface(_THIS,SDL_Surface * surface)1035 static int GEM_FlipHWSurface(_THIS, SDL_Surface *surface)
1036 {
1037 if (GEM_lock_redraw) {
1038 return(0);
1039 }
1040
1041 if (surface->flags & SDL_FULLSCREEN) {
1042 return GEM_FlipHWSurfaceFullscreen(this, surface);
1043 } else {
1044 return GEM_FlipHWSurfaceWindowed(this, surface);
1045 }
1046 }
1047
GEM_SetColors(_THIS,int firstcolor,int ncolors,SDL_Color * colors)1048 static int GEM_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
1049 {
1050 int i;
1051 SDL_Surface *surface;
1052
1053 #ifdef DEBUG_VIDEO_GEM
1054 printf("sdl:video:gem: setcolors()\n");
1055 #endif
1056
1057 /* Do not change palette in True Colour */
1058 surface = this->screen;
1059 if (surface->format->BitsPerPixel > 8) {
1060 return 1;
1061 }
1062
1063 for(i = 0; i < ncolors; i++)
1064 {
1065 int r, g, b;
1066 short rgb[3];
1067
1068 r = colors[i].r;
1069 g = colors[i].g;
1070 b = colors[i].b;
1071
1072 rgb[0] = VDI_curpalette[i][0] = (1000 * r) / 255;
1073 rgb[1] = VDI_curpalette[i][1] =(1000 * g) / 255;
1074 rgb[2] = VDI_curpalette[i][2] =(1000 * b) / 255;
1075
1076 vs_color(VDI_handle, vdi_index[firstcolor+i], rgb);
1077 }
1078
1079 return(1);
1080 }
1081
1082 #if 0
1083 static int GEM_ToggleFullScreen(_THIS, int on)
1084 {
1085 if (on) {
1086 GEM_LockScreen(this);
1087 } else {
1088 GEM_UnlockScreen(this);
1089 }
1090
1091 return(1);
1092 }
1093 #endif
1094
1095 /* Note: If we are terminated, this could be called in the middle of
1096 another SDL video routine -- notably UpdateRects.
1097 */
GEM_VideoQuit(_THIS)1098 void GEM_VideoQuit(_THIS)
1099 {
1100 SDL_AtariXbios_RestoreVectors();
1101 if (GEM_usedevmouse) {
1102 SDL_AtariDevMouse_Close();
1103 }
1104
1105 GEM_FreeBuffers(this);
1106
1107 #if SDL_VIDEO_OPENGL
1108 if (gl_active) {
1109 SDL_AtariGL_Quit(this, SDL_TRUE);
1110 }
1111 #endif
1112
1113 /* Destroy window */
1114 if (GEM_handle>=0) {
1115 wind_close(GEM_handle);
1116 wind_delete(GEM_handle);
1117 GEM_handle=-1;
1118 }
1119
1120 GEM_UnlockScreen(this);
1121 if (GEM_menubar) {
1122 Mfree(GEM_menubar);
1123 GEM_menubar=NULL;
1124 }
1125
1126 appl_exit();
1127
1128 GEM_SetNewPalette(this, VDI_oldpalette);
1129
1130 /* Close VDI workstation */
1131 if (VDI_handle) {
1132 v_clsvwk(VDI_handle);
1133 }
1134
1135 /* Free mode list */
1136 if (SDL_modelist[0]) {
1137 SDL_free(SDL_modelist[0]);
1138 SDL_modelist[0]=NULL;
1139 }
1140
1141 this->screen->pixels = NULL;
1142 }
1143
GEM_wind_redraw(_THIS,int winhandle,short * inside)1144 void GEM_wind_redraw(_THIS, int winhandle, short *inside)
1145 {
1146 short todo[4];
1147
1148 /* Tell AES we are going to update */
1149 wind_update(BEG_UPDATE);
1150
1151 v_hide_c(VDI_handle);
1152
1153 /* Browse the rectangle list to redraw */
1154 if (wind_get(winhandle, WF_FIRSTXYWH, &todo[0], &todo[1], &todo[2], &todo[3])!=0) {
1155
1156 while (todo[2] && todo[3]) {
1157
1158 if (rc_intersect((GRECT *)inside,(GRECT *)todo)) {
1159 todo[2] += todo[0]-1;
1160 todo[3] += todo[1]-1;
1161 refresh_window(this, winhandle, todo);
1162 }
1163
1164 if (wind_get(winhandle, WF_NEXTXYWH, &todo[0], &todo[1], &todo[2], &todo[3])==0) {
1165 break;
1166 }
1167 }
1168
1169 }
1170
1171 /* Update finished */
1172 wind_update(END_UPDATE);
1173
1174 v_show_c(VDI_handle,1);
1175 }
1176
refresh_window(_THIS,int winhandle,short * rect)1177 static void refresh_window(_THIS, int winhandle, short *rect)
1178 {
1179 MFDB mfdb_src;
1180 short pxy[8],wind_pxy[8];
1181 SDL_Surface *surface;
1182 int iconified;
1183
1184 /* Is window iconified ? */
1185 iconified = 0;
1186 /* if (GEM_wfeatures & (1<<WF_ICONIFY))*/ {
1187 if (wind_get(winhandle, WF_ICONIFY, &wind_pxy[0], &wind_pxy[1], &wind_pxy[2], &wind_pxy[3])!=0) {
1188 iconified = wind_pxy[0];
1189 }
1190 }
1191
1192 if (wind_get(winhandle, WF_WORKXYWH, &wind_pxy[0], &wind_pxy[1], &wind_pxy[2], &wind_pxy[3])==0) {
1193 return;
1194 }
1195
1196 if (iconified && GEM_icon) {
1197 short icon_rect[4], dst_rect[4];
1198 short iconx,icony;
1199
1200 surface = GEM_icon;
1201
1202 GEM_ClearRect(this, rect);
1203
1204 /* Calculate centered icon(x,y,w,h) relative to window */
1205 iconx = (wind_pxy[2]-surface->w)>>1;
1206 icony = (wind_pxy[3]-surface->h)>>1;
1207
1208 icon_rect[0] = iconx;
1209 icon_rect[1] = icony;
1210 icon_rect[2] = surface->w;
1211 icon_rect[3] = surface->h;
1212
1213 /* Calculate redraw rectangle(x,y,w,h) relative to window */
1214 dst_rect[0] = rect[0]-wind_pxy[0];
1215 dst_rect[1] = rect[1]-wind_pxy[1];
1216 dst_rect[2] = rect[2]-rect[0]+1;
1217 dst_rect[3] = rect[3]-rect[1]+1;
1218
1219 /* Does the icon rectangle must be redrawn ? */
1220 if (!rc_intersect((GRECT *)icon_rect, (GRECT *)dst_rect)) {
1221 return;
1222 }
1223
1224 #if DEBUG_VIDEO_GEM
1225 printf("sdl:video:gem: clip(0,0,%d,%d) to (%d,%d,%d,%d)\n",
1226 surface->w-1,surface->h-1, dst_rect[0],dst_rect[1],dst_rect[2],dst_rect[3]);
1227 printf("sdl:video:gem: icon(%d,%d,%d,%d)\n",
1228 icon_rect[0], icon_rect[1], icon_rect[2], icon_rect[3]);
1229 printf("sdl:video:gem: refresh_window(): draw icon\n");
1230 #endif
1231
1232 /* Calculate icon(x1,y1,x2,y2) relative to screen */
1233 icon_rect[0] += wind_pxy[0];
1234 icon_rect[1] += wind_pxy[1];
1235 icon_rect[2] += icon_rect[0]-1;
1236 icon_rect[3] += icon_rect[1]-1;
1237
1238 /* Calculate intersection rectangle to redraw */
1239 pxy[4]=pxy[0]=MAX(icon_rect[0],rect[0]);
1240 pxy[5]=pxy[1]=MAX(icon_rect[1],rect[1]);
1241 pxy[6]=pxy[2]=MIN(icon_rect[2],rect[2]);
1242 pxy[7]=pxy[3]=MIN(icon_rect[3],rect[3]);
1243
1244 /* Calculate icon source image pos relative to window */
1245 pxy[0] -= wind_pxy[0]+iconx;
1246 pxy[1] -= wind_pxy[1]+icony;
1247 pxy[2] -= wind_pxy[0]+iconx;
1248 pxy[3] -= wind_pxy[1]+icony;
1249
1250 } else {
1251 surface = this->screen;
1252
1253 #if DEBUG_VIDEO_GEM
1254 printf("sdl:video:gem: refresh_window(): draw frame buffer\n");
1255 #endif
1256
1257 /* Redraw all window content */
1258 pxy[0] = rect[0]-wind_pxy[0];
1259 pxy[1] = rect[1]-wind_pxy[1];
1260 pxy[2] = rect[2]-wind_pxy[0];
1261 pxy[3] = rect[3]-wind_pxy[1];
1262
1263 pxy[4] = rect[0];
1264 pxy[5] = rect[1];
1265 pxy[6] = rect[2];
1266 pxy[7] = rect[3];
1267 }
1268
1269 if (GEM_bufops & B2S_C2P_1TO2) {
1270 void *src, *dest;
1271 int x1,x2;
1272
1273 x1 = (rect[0]-wind_pxy[0]) & ~15;
1274 x2 = rect[2]-wind_pxy[0];
1275 if (x2 & 15) {
1276 x2 = (x2 | 15) +1;
1277 }
1278
1279 src = surface->pixels;
1280 src += surface->pitch * (rect[1]-wind_pxy[1]);
1281 src += x1;
1282
1283 dest = GEM_buffer2;
1284 dest += surface->pitch * (rect[1]-wind_pxy[1]);
1285 dest += x1;
1286
1287 SDL_Atari_C2pConvert(
1288 src, dest,
1289 x2-x1, rect[3]-rect[1]+1,
1290 SDL_FALSE,
1291 surface->pitch, surface->pitch
1292 );
1293 }
1294
1295 mfdb_src.fd_addr=surface->pixels;
1296 {
1297 int width;
1298
1299 /* Need to be a multiple of 16 pixels */
1300 width=surface->w;
1301 if ((width & 15) != 0) {
1302 width = (width | 15) + 1;
1303 }
1304 mfdb_src.fd_w=width;
1305 }
1306 mfdb_src.fd_h=surface->h;
1307 mfdb_src.fd_nplanes=surface->format->BitsPerPixel;
1308 mfdb_src.fd_wdwidth=mfdb_src.fd_w>>4;
1309 mfdb_src.fd_stand=
1310 mfdb_src.fd_r1=
1311 mfdb_src.fd_r2=
1312 mfdb_src.fd_r3= 0;
1313
1314 if (GEM_bufops & B2S_VROCPYFM_2TOS) {
1315 mfdb_src.fd_addr=GEM_buffer2;
1316 }
1317
1318 #if DEBUG_VIDEO_GEM
1319 printf("sdl:video:gem: redraw %dx%d: (%d,%d,%d,%d) to (%d,%d,%d,%d)\n",
1320 surface->w, surface->h,
1321 pxy[0],pxy[1],pxy[2],pxy[3],
1322 pxy[4],pxy[5],pxy[6],pxy[7]
1323 );
1324 #endif
1325
1326 vro_cpyfm( VDI_handle, S_ONLY, pxy, &mfdb_src, &VDI_dst_mfdb);
1327 }
1328
1329 #if SDL_VIDEO_OPENGL
1330
GEM_GL_SwapBuffers(_THIS)1331 static void GEM_GL_SwapBuffers(_THIS)
1332 {
1333 SDL_AtariGL_SwapBuffers(this);
1334 GEM_FlipHWSurface(this, this->screen);
1335 }
1336
1337 #endif
1338