SDL  2.0
SDL_video.c
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 #include "../SDL_internal.h"
22 
23 /* The high-level video driver subsystem */
24 
25 #include "SDL.h"
26 #include "SDL_video.h"
27 #include "SDL_sysvideo.h"
28 #include "SDL_blit.h"
29 #include "SDL_pixels_c.h"
30 #include "SDL_rect_c.h"
31 #include "../events/SDL_events_c.h"
32 #include "../timer/SDL_timer_c.h"
33 
34 #include "SDL_syswm.h"
35 
36 #if SDL_VIDEO_OPENGL
37 #include "SDL_opengl.h"
38 #endif /* SDL_VIDEO_OPENGL */
39 
40 #if SDL_VIDEO_OPENGL_ES
41 #include "SDL_opengles.h"
42 #endif /* SDL_VIDEO_OPENGL_ES */
43 
44 /* GL and GLES2 headers conflict on Linux 32 bits */
45 #if SDL_VIDEO_OPENGL_ES2 && !SDL_VIDEO_OPENGL
46 #include "SDL_opengles2.h"
47 #endif /* SDL_VIDEO_OPENGL_ES2 && !SDL_VIDEO_OPENGL */
48 
49 #if !SDL_VIDEO_OPENGL
50 #ifndef GL_CONTEXT_RELEASE_BEHAVIOR_KHR
51 #define GL_CONTEXT_RELEASE_BEHAVIOR_KHR 0x82FB
52 #endif
53 #endif
54 
55 #ifdef __EMSCRIPTEN__
56 #include <emscripten.h>
57 #endif
58 
59 /* Available video drivers */
61 #if SDL_VIDEO_DRIVER_COCOA
63 #endif
64 #if SDL_VIDEO_DRIVER_X11
66 #endif
67 #if SDL_VIDEO_DRIVER_WAYLAND
69 #endif
70 #if SDL_VIDEO_DRIVER_VIVANTE
72 #endif
73 #if SDL_VIDEO_DRIVER_DIRECTFB
75 #endif
76 #if SDL_VIDEO_DRIVER_WINDOWS
78 #endif
79 #if SDL_VIDEO_DRIVER_WINRT
81 #endif
82 #if SDL_VIDEO_DRIVER_HAIKU
84 #endif
85 #if SDL_VIDEO_DRIVER_PANDORA
87 #endif
88 #if SDL_VIDEO_DRIVER_UIKIT
90 #endif
91 #if SDL_VIDEO_DRIVER_ANDROID
93 #endif
94 #if SDL_VIDEO_DRIVER_PSP
96 #endif
97 #if SDL_VIDEO_DRIVER_KMSDRM
99 #endif
100 #if SDL_VIDEO_DRIVER_RPI
101  &RPI_bootstrap,
102 #endif
103 #if SDL_VIDEO_DRIVER_NACL
105 #endif
106 #if SDL_VIDEO_DRIVER_EMSCRIPTEN
108 #endif
109 #if SDL_VIDEO_DRIVER_QNX
110  &QNX_bootstrap,
111 #endif
112 #if SDL_VIDEO_DRIVER_DUMMY
114 #endif
115  NULL
116 };
117 
119 
120 #define CHECK_WINDOW_MAGIC(window, retval) \
121  if (!_this) { \
122  SDL_UninitializedVideo(); \
123  return retval; \
124  } \
125  SDL_assert(window && window->magic == &_this->window_magic); \
126  if (!window || window->magic != &_this->window_magic) { \
127  SDL_SetError("Invalid window"); \
128  return retval; \
129  }
130 
131 #define CHECK_DISPLAY_INDEX(displayIndex, retval) \
132  if (!_this) { \
133  SDL_UninitializedVideo(); \
134  return retval; \
135  } \
136  SDL_assert(_this->displays != NULL); \
137  SDL_assert(displayIndex >= 0 && displayIndex < _this->num_displays); \
138  if (displayIndex < 0 || displayIndex >= _this->num_displays) { \
139  SDL_SetError("displayIndex must be in the range 0 - %d", \
140  _this->num_displays - 1); \
141  return retval; \
142  }
143 
144 #define FULLSCREEN_MASK (SDL_WINDOW_FULLSCREEN_DESKTOP | SDL_WINDOW_FULLSCREEN)
145 
146 #ifdef __MACOSX__
147 /* Support for Mac OS X fullscreen spaces */
148 extern SDL_bool Cocoa_IsWindowInFullscreenSpace(SDL_Window * window);
149 extern SDL_bool Cocoa_SetWindowFullscreenSpace(SDL_Window * window, SDL_bool state);
150 #endif
151 
152 
153 /* Support for framebuffer emulation using an accelerated renderer */
154 
155 #define SDL_WINDOWTEXTUREDATA "_SDL_WindowTextureData"
156 
157 typedef struct {
160  void *pixels;
161  int pitch;
164 
165 static SDL_bool
167 {
168  const char *hint;
169 
170  /* If there's no native framebuffer support then there's no option */
171  if (!_this->CreateWindowFramebuffer) {
172  return SDL_TRUE;
173  }
174 
175  /* If this is the dummy driver there is no texture support */
176  if (_this->is_dummy) {
177  return SDL_FALSE;
178  }
179 
180  /* If the user has specified a software renderer we can't use a
181  texture framebuffer, or renderer creation will go recursive.
182  */
184  if (hint && SDL_strcasecmp(hint, "software") == 0) {
185  return SDL_FALSE;
186  }
187 
188  /* See if the user or application wants a specific behavior */
190  if (hint) {
191  if (*hint == '0' || SDL_strcasecmp(hint, "false") == 0) {
192  return SDL_FALSE;
193  } else {
194  return SDL_TRUE;
195  }
196  }
197 
198  /* Each platform has different performance characteristics */
199 #if defined(__WIN32__)
200  /* GDI BitBlt() is way faster than Direct3D dynamic textures right now.
201  */
202  return SDL_FALSE;
203 
204 #elif defined(__MACOSX__)
205  /* Mac OS X uses OpenGL as the native fast path (for cocoa and X11) */
206  return SDL_TRUE;
207 
208 #elif defined(__LINUX__)
209  /* Properly configured OpenGL drivers are faster than MIT-SHM */
210 #if SDL_VIDEO_OPENGL
211  /* Ugh, find a way to cache this value! */
212  {
215  SDL_bool hasAcceleratedOpenGL = SDL_FALSE;
216 
217  window = SDL_CreateWindow("OpenGL test", -32, -32, 32, 32, SDL_WINDOW_OPENGL|SDL_WINDOW_HIDDEN);
218  if (window) {
219  context = SDL_GL_CreateContext(window);
220  if (context) {
221  const GLubyte *(APIENTRY * glGetStringFunc) (GLenum);
222  const char *vendor = NULL;
223 
224  glGetStringFunc = SDL_GL_GetProcAddress("glGetString");
225  if (glGetStringFunc) {
226  vendor = (const char *) glGetStringFunc(GL_VENDOR);
227  }
228  /* Add more vendors here at will... */
229  if (vendor &&
230  (SDL_strstr(vendor, "ATI Technologies") ||
231  SDL_strstr(vendor, "NVIDIA"))) {
232  hasAcceleratedOpenGL = SDL_TRUE;
233  }
234  SDL_GL_DeleteContext(context);
235  }
236  SDL_DestroyWindow(window);
237  }
238  return hasAcceleratedOpenGL;
239  }
240 #elif SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
241  /* Let's be optimistic about this! */
242  return SDL_TRUE;
243 #else
244  return SDL_FALSE;
245 #endif
246 
247 #else
248  /* Play it safe, assume that if there is a framebuffer driver that it's
249  optimized for the current platform.
250  */
251  return SDL_FALSE;
252 #endif
253 }
254 
255 static int
257 {
259 
261  if (!data) {
263  int i;
265 
266  /* Check to see if there's a specific driver requested */
267  if (hint && *hint != '0' && *hint != '1' &&
268  SDL_strcasecmp(hint, "true") != 0 &&
269  SDL_strcasecmp(hint, "false") != 0 &&
270  SDL_strcasecmp(hint, "software") != 0) {
271  for (i = 0; i < SDL_GetNumRenderDrivers(); ++i) {
272  SDL_RendererInfo info;
273  SDL_GetRenderDriverInfo(i, &info);
274  if (SDL_strcasecmp(info.name, hint) == 0) {
275  renderer = SDL_CreateRenderer(window, i, 0);
276  break;
277  }
278  }
279  }
280 
281  if (!renderer) {
282  for (i = 0; i < SDL_GetNumRenderDrivers(); ++i) {
283  SDL_RendererInfo info;
284  SDL_GetRenderDriverInfo(i, &info);
285  if (SDL_strcmp(info.name, "software") != 0) {
286  renderer = SDL_CreateRenderer(window, i, 0);
287  if (renderer) {
288  break;
289  }
290  }
291  }
292  }
293  if (!renderer) {
294  return SDL_SetError("No hardware accelerated renderers available");
295  }
296 
297  /* Create the data after we successfully create the renderer (bug #1116) */
298  data = (SDL_WindowTextureData *)SDL_calloc(1, sizeof(*data));
299  if (!data) {
300  SDL_DestroyRenderer(renderer);
301  return SDL_OutOfMemory();
302  }
304 
305  data->renderer = renderer;
306  }
307 
308  /* Free any old texture and pixel data */
309  if (data->texture) {
311  data->texture = NULL;
312  }
313  SDL_free(data->pixels);
314  data->pixels = NULL;
315 
316  {
317  SDL_RendererInfo info;
318  Uint32 i;
319 
320  if (SDL_GetRendererInfo(data->renderer, &info) < 0) {
321  return -1;
322  }
323 
324  /* Find the first format without an alpha channel */
325  *format = info.texture_formats[0];
326 
327  for (i = 0; i < info.num_texture_formats; ++i) {
330  *format = info.texture_formats[i];
331  break;
332  }
333  }
334  }
335 
336  data->texture = SDL_CreateTexture(data->renderer, *format,
338  window->w, window->h);
339  if (!data->texture) {
340  return -1;
341  }
342 
343  /* Create framebuffer data */
344  data->bytes_per_pixel = SDL_BYTESPERPIXEL(*format);
345  data->pitch = (((window->w * data->bytes_per_pixel) + 3) & ~3);
346 
347  {
348  /* Make static analysis happy about potential malloc(0) calls. */
349  const size_t allocsize = window->h * data->pitch;
350  data->pixels = SDL_malloc((allocsize > 0) ? allocsize : 1);
351  if (!data->pixels) {
352  return SDL_OutOfMemory();
353  }
354  }
355 
356  *pixels = data->pixels;
357  *pitch = data->pitch;
358 
359  /* Make sure we're not double-scaling the viewport */
361 
362  return 0;
363 }
364 
365 static int
367 {
369  SDL_Rect rect;
370  void *src;
371 
373  if (!data || !data->texture) {
374  return SDL_SetError("No window texture data");
375  }
376 
377  /* Update a single rect that contains subrects for best DMA performance */
378  if (SDL_GetSpanEnclosingRect(window->w, window->h, numrects, rects, &rect)) {
379  src = (void *)((Uint8 *)data->pixels +
380  rect.y * data->pitch +
381  rect.x * data->bytes_per_pixel);
382  if (SDL_UpdateTexture(data->texture, &rect, src, data->pitch) < 0) {
383  return -1;
384  }
385 
386  if (SDL_RenderCopy(data->renderer, data->texture, NULL, NULL) < 0) {
387  return -1;
388  }
389 
391  }
392  return 0;
393 }
394 
395 static void
397 {
399 
401  if (!data) {
402  return;
403  }
404  if (data->texture) {
406  }
407  if (data->renderer) {
409  }
410  SDL_free(data->pixels);
411  SDL_free(data);
412 }
413 
414 
415 static int
416 cmpmodes(const void *A, const void *B)
417 {
418  const SDL_DisplayMode *a = (const SDL_DisplayMode *) A;
419  const SDL_DisplayMode *b = (const SDL_DisplayMode *) B;
420  if (a == b) {
421  return 0;
422  } else if (a->w != b->w) {
423  return b->w - a->w;
424  } else if (a->h != b->h) {
425  return b->h - a->h;
426  } else if (SDL_BITSPERPIXEL(a->format) != SDL_BITSPERPIXEL(b->format)) {
428  } else if (SDL_PIXELLAYOUT(a->format) != SDL_PIXELLAYOUT(b->format)) {
429  return SDL_PIXELLAYOUT(b->format) - SDL_PIXELLAYOUT(a->format);
430  } else if (a->refresh_rate != b->refresh_rate) {
431  return b->refresh_rate - a->refresh_rate;
432  }
433  return 0;
434 }
435 
436 static int
438 {
439  return SDL_SetError("Video subsystem has not been initialized");
440 }
441 
442 int
444 {
445  return SDL_arraysize(bootstrap) - 1;
446 }
447 
448 const char *
450 {
451  if (index >= 0 && index < SDL_GetNumVideoDrivers()) {
452  return bootstrap[index]->name;
453  }
454  return NULL;
455 }
456 
457 /*
458  * Initialize the video and event subsystems -- determine native pixel format
459  */
460 int
461 SDL_VideoInit(const char *driver_name)
462 {
463  SDL_VideoDevice *video;
464  int index;
465  int i;
466 
467  /* Check to make sure we don't overwrite '_this' */
468  if (_this != NULL) {
469  SDL_VideoQuit();
470  }
471 
472 #if !SDL_TIMERS_DISABLED
473  SDL_TicksInit();
474 #endif
475 
476  /* Start the event loop */
478  SDL_KeyboardInit() < 0 ||
479  SDL_MouseInit() < 0 ||
480  SDL_TouchInit() < 0) {
481  return -1;
482  }
483 
484  /* Select the proper video driver */
485  index = 0;
486  video = NULL;
487  if (driver_name == NULL) {
488  driver_name = SDL_getenv("SDL_VIDEODRIVER");
489  }
490  if (driver_name != NULL) {
491  for (i = 0; bootstrap[i]; ++i) {
492  if (SDL_strncasecmp(bootstrap[i]->name, driver_name, SDL_strlen(driver_name)) == 0) {
493  if (bootstrap[i]->available()) {
494  video = bootstrap[i]->create(index);
495  break;
496  }
497  }
498  }
499  } else {
500  for (i = 0; bootstrap[i]; ++i) {
501  if (bootstrap[i]->available()) {
502  video = bootstrap[i]->create(index);
503  if (video != NULL) {
504  break;
505  }
506  }
507  }
508  }
509  if (video == NULL) {
510  if (driver_name) {
511  return SDL_SetError("%s not available", driver_name);
512  }
513  return SDL_SetError("No available video device");
514  }
515  _this = video;
516  _this->name = bootstrap[i]->name;
517  _this->next_object_id = 1;
518 
519 
520  /* Set some very sane GL defaults */
521  _this->gl_config.driver_loaded = 0;
522  _this->gl_config.dll_handle = NULL;
524 
525  _this->current_glwin_tls = SDL_TLSCreate();
526  _this->current_glctx_tls = SDL_TLSCreate();
527 
528  /* Initialize the video subsystem */
529  if (_this->VideoInit(_this) < 0) {
530  SDL_VideoQuit();
531  return -1;
532  }
533 
534  /* Make sure some displays were added */
535  if (_this->num_displays == 0) {
536  SDL_VideoQuit();
537  return SDL_SetError("The video driver did not add any displays");
538  }
539 
540  /* Add the renderer framebuffer emulation if desired */
545  }
546 
547  /* Disable the screen saver by default. This is a change from <= 2.0.1,
548  but most things using SDL are games or media players; you wouldn't
549  want a screensaver to trigger if you're playing exclusively with a
550  joystick, or passively watching a movie. Things that use SDL but
551  function more like a normal desktop app should explicitly reenable the
552  screensaver. */
555  }
556 
557  /* If we don't use a screen keyboard, turn on text input by default,
558  otherwise programs that expect to get text events without enabling
559  UNICODE input won't get any events.
560 
561  Actually, come to think of it, you needed to call SDL_EnableUNICODE(1)
562  in SDL 1.2 before you got text input events. Hmm...
563  */
566  }
567 
568  /* We're ready to go! */
569  return 0;
570 }
571 
572 const char *
574 {
575  if (!_this) {
577  return NULL;
578  }
579  return _this->name;
580 }
581 
584 {
585  return _this;
586 }
587 
588 int
590 {
591  SDL_VideoDisplay display;
592 
593  SDL_zero(display);
594  if (desktop_mode) {
595  display.desktop_mode = *desktop_mode;
596  }
597  display.current_mode = display.desktop_mode;
598 
599  return SDL_AddVideoDisplay(&display);
600 }
601 
602 int
604 {
605  SDL_VideoDisplay *displays;
606  int index = -1;
607 
608  displays =
609  SDL_realloc(_this->displays,
610  (_this->num_displays + 1) * sizeof(*displays));
611  if (displays) {
612  index = _this->num_displays++;
613  displays[index] = *display;
614  displays[index].device = _this;
615  _this->displays = displays;
616 
617  if (display->name) {
618  displays[index].name = SDL_strdup(display->name);
619  } else {
620  char name[32];
621 
622  SDL_itoa(index, name, 10);
623  displays[index].name = SDL_strdup(name);
624  }
625  } else {
626  SDL_OutOfMemory();
627  }
628  return index;
629 }
630 
631 int
633 {
634  if (!_this) {
636  return 0;
637  }
638  return _this->num_displays;
639 }
640 
641 int
643 {
644  int displayIndex;
645 
646  for (displayIndex = 0; displayIndex < _this->num_displays; ++displayIndex) {
647  if (display == &_this->displays[displayIndex]) {
648  return displayIndex;
649  }
650  }
651 
652  /* Couldn't find the display, just use index 0 */
653  return 0;
654 }
655 
656 void *
657 SDL_GetDisplayDriverData(int displayIndex)
658 {
659  CHECK_DISPLAY_INDEX(displayIndex, NULL);
660 
661  return _this->displays[displayIndex].driverdata;
662 }
663 
664 const char *
665 SDL_GetDisplayName(int displayIndex)
666 {
667  CHECK_DISPLAY_INDEX(displayIndex, NULL);
668 
669  return _this->displays[displayIndex].name;
670 }
671 
672 int
673 SDL_GetDisplayBounds(int displayIndex, SDL_Rect * rect)
674 {
675  CHECK_DISPLAY_INDEX(displayIndex, -1);
676 
677  if (rect) {
678  SDL_VideoDisplay *display = &_this->displays[displayIndex];
679 
680  if (_this->GetDisplayBounds) {
681  if (_this->GetDisplayBounds(_this, display, rect) == 0) {
682  return 0;
683  }
684  }
685 
686  /* Assume that the displays are left to right */
687  if (displayIndex == 0) {
688  rect->x = 0;
689  rect->y = 0;
690  } else {
691  SDL_GetDisplayBounds(displayIndex-1, rect);
692  rect->x += rect->w;
693  }
694  rect->w = display->current_mode.w;
695  rect->h = display->current_mode.h;
696  }
697  return 0; /* !!! FIXME: should this be an error if (rect==NULL) ? */
698 }
699 
700 int SDL_GetDisplayUsableBounds(int displayIndex, SDL_Rect * rect)
701 {
702  CHECK_DISPLAY_INDEX(displayIndex, -1);
703 
704  if (rect) {
705  SDL_VideoDisplay *display = &_this->displays[displayIndex];
706 
707  if (_this->GetDisplayUsableBounds) {
708  if (_this->GetDisplayUsableBounds(_this, display, rect) == 0) {
709  return 0;
710  }
711  }
712 
713  /* Oh well, just give the entire display bounds. */
714  return SDL_GetDisplayBounds(displayIndex, rect);
715  }
716  return 0; /* !!! FIXME: should this be an error if (rect==NULL) ? */
717 }
718 
719 int
720 SDL_GetDisplayDPI(int displayIndex, float * ddpi, float * hdpi, float * vdpi)
721 {
722  SDL_VideoDisplay *display;
723 
724  CHECK_DISPLAY_INDEX(displayIndex, -1);
725 
726  display = &_this->displays[displayIndex];
727 
728  if (_this->GetDisplayDPI) {
729  if (_this->GetDisplayDPI(_this, display, ddpi, hdpi, vdpi) == 0) {
730  return 0;
731  }
732  } else {
733  return SDL_Unsupported();
734  }
735 
736  return -1;
737 }
738 
740 SDL_GetDisplayOrientation(int displayIndex)
741 {
742  SDL_VideoDisplay *display;
743 
745 
746  display = &_this->displays[displayIndex];
747  return display->orientation;
748 }
749 
750 SDL_bool
752 {
753  SDL_DisplayMode *modes;
754  int i, nmodes;
755 
756  /* Make sure we don't already have the mode in the list */
757  modes = display->display_modes;
758  nmodes = display->num_display_modes;
759  for (i = 0; i < nmodes; ++i) {
760  if (cmpmodes(mode, &modes[i]) == 0) {
761  return SDL_FALSE;
762  }
763  }
764 
765  /* Go ahead and add the new mode */
766  if (nmodes == display->max_display_modes) {
767  modes =
768  SDL_realloc(modes,
769  (display->max_display_modes + 32) * sizeof(*modes));
770  if (!modes) {
771  return SDL_FALSE;
772  }
773  display->display_modes = modes;
774  display->max_display_modes += 32;
775  }
776  modes[nmodes] = *mode;
777  display->num_display_modes++;
778 
779  /* Re-sort video modes */
780  SDL_qsort(display->display_modes, display->num_display_modes,
781  sizeof(SDL_DisplayMode), cmpmodes);
782 
783  return SDL_TRUE;
784 }
785 
786 static int
788 {
789  if (!display->num_display_modes && _this->GetDisplayModes) {
790  _this->GetDisplayModes(_this, display);
791  SDL_qsort(display->display_modes, display->num_display_modes,
792  sizeof(SDL_DisplayMode), cmpmodes);
793  }
794  return display->num_display_modes;
795 }
796 
797 int
798 SDL_GetNumDisplayModes(int displayIndex)
799 {
800  CHECK_DISPLAY_INDEX(displayIndex, -1);
801 
802  return SDL_GetNumDisplayModesForDisplay(&_this->displays[displayIndex]);
803 }
804 
805 int
806 SDL_GetDisplayMode(int displayIndex, int index, SDL_DisplayMode * mode)
807 {
808  SDL_VideoDisplay *display;
809 
810  CHECK_DISPLAY_INDEX(displayIndex, -1);
811 
812  display = &_this->displays[displayIndex];
814  return SDL_SetError("index must be in the range of 0 - %d",
815  SDL_GetNumDisplayModesForDisplay(display) - 1);
816  }
817  if (mode) {
818  *mode = display->display_modes[index];
819  }
820  return 0;
821 }
822 
823 int
825 {
826  SDL_VideoDisplay *display;
827 
828  CHECK_DISPLAY_INDEX(displayIndex, -1);
829 
830  display = &_this->displays[displayIndex];
831  if (mode) {
832  *mode = display->desktop_mode;
833  }
834  return 0;
835 }
836 
837 int
839 {
840  SDL_VideoDisplay *display;
841 
842  CHECK_DISPLAY_INDEX(displayIndex, -1);
843 
844  display = &_this->displays[displayIndex];
845  if (mode) {
846  *mode = display->current_mode;
847  }
848  return 0;
849 }
850 
851 static SDL_DisplayMode *
853  const SDL_DisplayMode * mode,
854  SDL_DisplayMode * closest)
855 {
856  Uint32 target_format;
857  int target_refresh_rate;
858  int i;
859  SDL_DisplayMode *current, *match;
860 
861  if (!mode || !closest) {
862  SDL_SetError("Missing desired mode or closest mode parameter");
863  return NULL;
864  }
865 
866  /* Default to the desktop format */
867  if (mode->format) {
868  target_format = mode->format;
869  } else {
870  target_format = display->desktop_mode.format;
871  }
872 
873  /* Default to the desktop refresh rate */
874  if (mode->refresh_rate) {
875  target_refresh_rate = mode->refresh_rate;
876  } else {
877  target_refresh_rate = display->desktop_mode.refresh_rate;
878  }
879 
880  match = NULL;
881  for (i = 0; i < SDL_GetNumDisplayModesForDisplay(display); ++i) {
882  current = &display->display_modes[i];
883 
884  if (current->w && (current->w < mode->w)) {
885  /* Out of sorted modes large enough here */
886  break;
887  }
888  if (current->h && (current->h < mode->h)) {
889  if (current->w && (current->w == mode->w)) {
890  /* Out of sorted modes large enough here */
891  break;
892  }
893  /* Wider, but not tall enough, due to a different
894  aspect ratio. This mode must be skipped, but closer
895  modes may still follow. */
896  continue;
897  }
898  if (!match || current->w < match->w || current->h < match->h) {
899  match = current;
900  continue;
901  }
902  if (current->format != match->format) {
903  /* Sorted highest depth to lowest */
904  if (current->format == target_format ||
905  (SDL_BITSPERPIXEL(current->format) >=
906  SDL_BITSPERPIXEL(target_format)
907  && SDL_PIXELTYPE(current->format) ==
908  SDL_PIXELTYPE(target_format))) {
909  match = current;
910  }
911  continue;
912  }
913  if (current->refresh_rate != match->refresh_rate) {
914  /* Sorted highest refresh to lowest */
915  if (current->refresh_rate >= target_refresh_rate) {
916  match = current;
917  }
918  }
919  }
920  if (match) {
921  if (match->format) {
922  closest->format = match->format;
923  } else {
924  closest->format = mode->format;
925  }
926  if (match->w && match->h) {
927  closest->w = match->w;
928  closest->h = match->h;
929  } else {
930  closest->w = mode->w;
931  closest->h = mode->h;
932  }
933  if (match->refresh_rate) {
934  closest->refresh_rate = match->refresh_rate;
935  } else {
936  closest->refresh_rate = mode->refresh_rate;
937  }
938  closest->driverdata = match->driverdata;
939 
940  /*
941  * Pick some reasonable defaults if the app and driver don't
942  * care
943  */
944  if (!closest->format) {
945  closest->format = SDL_PIXELFORMAT_RGB888;
946  }
947  if (!closest->w) {
948  closest->w = 640;
949  }
950  if (!closest->h) {
951  closest->h = 480;
952  }
953  return closest;
954  }
955  return NULL;
956 }
957 
959 SDL_GetClosestDisplayMode(int displayIndex,
960  const SDL_DisplayMode * mode,
961  SDL_DisplayMode * closest)
962 {
963  SDL_VideoDisplay *display;
964 
965  CHECK_DISPLAY_INDEX(displayIndex, NULL);
966 
967  display = &_this->displays[displayIndex];
968  return SDL_GetClosestDisplayModeForDisplay(display, mode, closest);
969 }
970 
971 static int
973 {
974  SDL_DisplayMode display_mode;
975  SDL_DisplayMode current_mode;
976 
977  if (mode) {
978  display_mode = *mode;
979 
980  /* Default to the current mode */
981  if (!display_mode.format) {
982  display_mode.format = display->current_mode.format;
983  }
984  if (!display_mode.w) {
985  display_mode.w = display->current_mode.w;
986  }
987  if (!display_mode.h) {
988  display_mode.h = display->current_mode.h;
989  }
990  if (!display_mode.refresh_rate) {
991  display_mode.refresh_rate = display->current_mode.refresh_rate;
992  }
993 
994  /* Get a good video mode, the closest one possible */
995  if (!SDL_GetClosestDisplayModeForDisplay(display, &display_mode, &display_mode)) {
996  return SDL_SetError("No video mode large enough for %dx%d",
997  display_mode.w, display_mode.h);
998  }
999  } else {
1000  display_mode = display->desktop_mode;
1001  }
1002 
1003  /* See if there's anything left to do */
1004  current_mode = display->current_mode;
1005  if (SDL_memcmp(&display_mode, &current_mode, sizeof(display_mode)) == 0) {
1006  return 0;
1007  }
1008 
1009  /* Actually change the display mode */
1010  if (!_this->SetDisplayMode) {
1011  return SDL_SetError("SDL video driver doesn't support changing display mode");
1012  }
1013  if (_this->SetDisplayMode(_this, display, &display_mode) < 0) {
1014  return -1;
1015  }
1016  display->current_mode = display_mode;
1017  return 0;
1018 }
1019 
1021 SDL_GetDisplay(int displayIndex)
1022 {
1023  CHECK_DISPLAY_INDEX(displayIndex, NULL);
1024 
1025  return &_this->displays[displayIndex];
1026 }
1027 
1028 int
1030 {
1031  int displayIndex;
1032  int i, dist;
1033  int closest = -1;
1034  int closest_dist = 0x7FFFFFFF;
1035  SDL_Point center;
1036  SDL_Point delta;
1037  SDL_Rect rect;
1038 
1039  CHECK_WINDOW_MAGIC(window, -1);
1040 
1041  if (SDL_WINDOWPOS_ISUNDEFINED(window->x) ||
1042  SDL_WINDOWPOS_ISCENTERED(window->x)) {
1043  displayIndex = (window->x & 0xFFFF);
1044  if (displayIndex >= _this->num_displays) {
1045  displayIndex = 0;
1046  }
1047  return displayIndex;
1048  }
1049  if (SDL_WINDOWPOS_ISUNDEFINED(window->y) ||
1050  SDL_WINDOWPOS_ISCENTERED(window->y)) {
1051  displayIndex = (window->y & 0xFFFF);
1052  if (displayIndex >= _this->num_displays) {
1053  displayIndex = 0;
1054  }
1055  return displayIndex;
1056  }
1057 
1058  /* Find the display containing the window */
1059  for (i = 0; i < _this->num_displays; ++i) {
1060  SDL_VideoDisplay *display = &_this->displays[i];
1061 
1062  if (display->fullscreen_window == window) {
1063  return i;
1064  }
1065  }
1066  center.x = window->x + window->w / 2;
1067  center.y = window->y + window->h / 2;
1068  for (i = 0; i < _this->num_displays; ++i) {
1069  SDL_GetDisplayBounds(i, &rect);
1070  if (SDL_EnclosePoints(&center, 1, &rect, NULL)) {
1071  return i;
1072  }
1073 
1074  delta.x = center.x - (rect.x + rect.w / 2);
1075  delta.y = center.y - (rect.y + rect.h / 2);
1076  dist = (delta.x*delta.x + delta.y*delta.y);
1077  if (dist < closest_dist) {
1078  closest = i;
1079  closest_dist = dist;
1080  }
1081  }
1082  if (closest < 0) {
1083  SDL_SetError("Couldn't find any displays");
1084  }
1085  return closest;
1086 }
1087 
1090 {
1091  int displayIndex = SDL_GetWindowDisplayIndex(window);
1092  if (displayIndex >= 0) {
1093  return &_this->displays[displayIndex];
1094  } else {
1095  return NULL;
1096  }
1097 }
1098 
1099 int
1101 {
1102  CHECK_WINDOW_MAGIC(window, -1);
1103 
1104  if (mode) {
1105  window->fullscreen_mode = *mode;
1106  } else {
1107  SDL_zero(window->fullscreen_mode);
1108  }
1109 
1111  SDL_DisplayMode fullscreen_mode;
1112  if (SDL_GetWindowDisplayMode(window, &fullscreen_mode) == 0) {
1113  SDL_SetDisplayModeForDisplay(SDL_GetDisplayForWindow(window), &fullscreen_mode);
1114  }
1115  }
1116  return 0;
1117 }
1118 
1119 int
1121 {
1122  SDL_DisplayMode fullscreen_mode;
1123  SDL_VideoDisplay *display;
1124 
1125  CHECK_WINDOW_MAGIC(window, -1);
1126 
1127  if (!mode) {
1128  return SDL_InvalidParamError("mode");
1129  }
1130 
1131  fullscreen_mode = window->fullscreen_mode;
1132  if (!fullscreen_mode.w) {
1133  fullscreen_mode.w = window->windowed.w;
1134  }
1135  if (!fullscreen_mode.h) {
1136  fullscreen_mode.h = window->windowed.h;
1137  }
1138 
1139  display = SDL_GetDisplayForWindow(window);
1140 
1141  /* if in desktop size mode, just return the size of the desktop */
1143  fullscreen_mode = display->desktop_mode;
1145  &fullscreen_mode,
1146  &fullscreen_mode)) {
1147  return SDL_SetError("Couldn't find display mode match");
1148  }
1149 
1150  if (mode) {
1151  *mode = fullscreen_mode;
1152  }
1153  return 0;
1154 }
1155 
1156 Uint32
1158 {
1159  SDL_VideoDisplay *display;
1160 
1162 
1163  display = SDL_GetDisplayForWindow(window);
1164  return display->current_mode.format;
1165 }
1166 
1167 static void
1169 {
1170  int x, y;
1171 
1172  if (window == SDL_GetMouseFocus()) {
1173  SDL_GetMouseState(&x, &y);
1174  SDL_WarpMouseInWindow(window, x, y);
1175  }
1176 }
1177 
1178 #if __WINRT__
1180 #endif
1181 
1182 static int
1184 {
1185  SDL_VideoDisplay *display;
1186  SDL_Window *other;
1187 
1188  CHECK_WINDOW_MAGIC(window,-1);
1189 
1190  /* if we are in the process of hiding don't go back to fullscreen */
1191  if (window->is_hiding && fullscreen) {
1192  return 0;
1193  }
1194 
1195 #ifdef __MACOSX__
1196  /* if the window is going away and no resolution change is necessary,
1197  do nothing, or else we may trigger an ugly double-transition
1198  */
1199  if (SDL_strcmp(_this->name, "cocoa") == 0) { /* don't do this for X11, etc */
1201  return 0;
1202 
1203  /* If we're switching between a fullscreen Space and "normal" fullscreen, we need to get back to normal first. */
1204  if (fullscreen && ((window->last_fullscreen_flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN_DESKTOP) && ((window->flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN)) {
1205  if (!Cocoa_SetWindowFullscreenSpace(window, SDL_FALSE)) {
1206  return -1;
1207  }
1208  } else if (fullscreen && ((window->last_fullscreen_flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN) && ((window->flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN_DESKTOP)) {
1209  display = SDL_GetDisplayForWindow(window);
1211  if (_this->SetWindowFullscreen) {
1212  _this->SetWindowFullscreen(_this, window, display, SDL_FALSE);
1213  }
1214  }
1215 
1216  if (Cocoa_SetWindowFullscreenSpace(window, fullscreen)) {
1217  if (Cocoa_IsWindowInFullscreenSpace(window) != fullscreen) {
1218  return -1;
1219  }
1220  window->last_fullscreen_flags = window->flags;
1221  return 0;
1222  }
1223  }
1224 #elif __WINRT__ && (NTDDI_VERSION < NTDDI_WIN10)
1225  /* HACK: WinRT 8.x apps can't choose whether or not they are fullscreen
1226  or not. The user can choose this, via OS-provided UI, but this can't
1227  be set programmatically.
1228 
1229  Just look at what SDL's WinRT video backend code detected with regards
1230  to fullscreen (being active, or not), and figure out a return/error code
1231  from that.
1232  */
1233  if (fullscreen == !(WINRT_DetectWindowFlags(window) & FULLSCREEN_MASK)) {
1234  /* Uh oh, either:
1235  1. fullscreen was requested, and we're already windowed
1236  2. windowed-mode was requested, and we're already fullscreen
1237 
1238  WinRT 8.x can't resolve either programmatically, so we're
1239  giving up.
1240  */
1241  return -1;
1242  } else {
1243  /* Whatever was requested, fullscreen or windowed mode, is already
1244  in-place.
1245  */
1246  return 0;
1247  }
1248 #endif
1249 
1250  display = SDL_GetDisplayForWindow(window);
1251 
1252  if (fullscreen) {
1253  /* Hide any other fullscreen windows */
1254  if (display->fullscreen_window &&
1255  display->fullscreen_window != window) {
1257  }
1258  }
1259 
1260  /* See if anything needs to be done now */
1261  if ((display->fullscreen_window == window) == fullscreen) {
1262  if ((window->last_fullscreen_flags & FULLSCREEN_MASK) == (window->flags & FULLSCREEN_MASK)) {
1263  return 0;
1264  }
1265  }
1266 
1267  /* See if there are any fullscreen windows */
1268  for (other = _this->windows; other; other = other->next) {
1269  SDL_bool setDisplayMode = SDL_FALSE;
1270 
1271  if (other == window) {
1272  setDisplayMode = fullscreen;
1273  } else if (FULLSCREEN_VISIBLE(other) &&
1274  SDL_GetDisplayForWindow(other) == display) {
1275  setDisplayMode = SDL_TRUE;
1276  }
1277 
1278  if (setDisplayMode) {
1279  SDL_DisplayMode fullscreen_mode;
1280 
1281  SDL_zero(fullscreen_mode);
1282 
1283  if (SDL_GetWindowDisplayMode(other, &fullscreen_mode) == 0) {
1284  SDL_bool resized = SDL_TRUE;
1285 
1286  if (other->w == fullscreen_mode.w && other->h == fullscreen_mode.h) {
1287  resized = SDL_FALSE;
1288  }
1289 
1290  /* only do the mode change if we want exclusive fullscreen */
1292  if (SDL_SetDisplayModeForDisplay(display, &fullscreen_mode) < 0) {
1293  return -1;
1294  }
1295  } else {
1296  if (SDL_SetDisplayModeForDisplay(display, NULL) < 0) {
1297  return -1;
1298  }
1299  }
1300 
1301  if (_this->SetWindowFullscreen) {
1302  _this->SetWindowFullscreen(_this, other, display, SDL_TRUE);
1303  }
1304  display->fullscreen_window = other;
1305 
1306  /* Generate a mode change event here */
1307  if (resized) {
1308 #ifndef ANDROID
1309  // Android may not resize the window to exactly what our fullscreen mode is, especially on
1310  // windowed Android environments like the Chromebook or Samsung DeX. Given this, we shouldn't
1311  // use fullscreen_mode.w and fullscreen_mode.h, but rather get our current native size. As such,
1312  // Android's SetWindowFullscreen will generate the window event for us with the proper final size.
1313 
1315  fullscreen_mode.w, fullscreen_mode.h);
1316 #endif
1317  } else {
1318  SDL_OnWindowResized(other);
1319  }
1320 
1321  SDL_RestoreMousePosition(other);
1322 
1323  window->last_fullscreen_flags = window->flags;
1324  return 0;
1325  }
1326  }
1327  }
1328 
1329  /* Nope, restore the desktop mode */
1331 
1332  if (_this->SetWindowFullscreen) {
1333  _this->SetWindowFullscreen(_this, window, display, SDL_FALSE);
1334  }
1335  display->fullscreen_window = NULL;
1336 
1337  /* Generate a mode change event here */
1338  SDL_OnWindowResized(window);
1339 
1340  /* Restore the cursor position */
1341  SDL_RestoreMousePosition(window);
1342 
1343  window->last_fullscreen_flags = window->flags;
1344  return 0;
1345 }
1346 
1347 #define CREATE_FLAGS \
1348  (SDL_WINDOW_OPENGL | SDL_WINDOW_BORDERLESS | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI | SDL_WINDOW_ALWAYS_ON_TOP | SDL_WINDOW_SKIP_TASKBAR | SDL_WINDOW_POPUP_MENU | SDL_WINDOW_UTILITY | SDL_WINDOW_TOOLTIP | SDL_WINDOW_VULKAN | SDL_WINDOW_MINIMIZED)
1349 
1350 static SDL_INLINE SDL_bool
1352 {
1355  return SDL_TRUE;
1356  }
1357  return SDL_FALSE;
1358 }
1359 
1360 /* prepare a newly-created window */
1361 static SDL_INLINE void
1363 {
1364  if (_this->AcceptDragAndDrop) {
1365  _this->AcceptDragAndDrop(window, IsAcceptingDragAndDrop());
1366  }
1367 }
1368 
1369 /* toggle d'n'd for all existing windows. */
1370 void
1372 {
1373  if (_this && _this->AcceptDragAndDrop) {
1375  SDL_Window *window;
1376  for (window = _this->windows; window; window = window->next) {
1377  _this->AcceptDragAndDrop(window, enable);
1378  }
1379  }
1380 }
1381 
1382 static void
1384 {
1385  PrepareDragAndDropSupport(window);
1386 
1387  if (flags & SDL_WINDOW_MAXIMIZED) {
1388  SDL_MaximizeWindow(window);
1389  }
1390  if (flags & SDL_WINDOW_MINIMIZED) {
1391  SDL_MinimizeWindow(window);
1392  }
1393  if (flags & SDL_WINDOW_FULLSCREEN) {
1394  SDL_SetWindowFullscreen(window, flags);
1395  }
1396  if (flags & SDL_WINDOW_INPUT_GRABBED) {
1397  SDL_SetWindowGrab(window, SDL_TRUE);
1398  }
1399  if (!(flags & SDL_WINDOW_HIDDEN)) {
1400  SDL_ShowWindow(window);
1401  }
1402 }
1403 
1404 SDL_Window *
1405 SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
1406 {
1407  SDL_Window *window;
1408 
1409  if (!_this) {
1410  /* Initialize the video system if needed */
1411  if (SDL_VideoInit(NULL) < 0) {
1412  return NULL;
1413  }
1414  }
1415 
1416  if ((((flags & SDL_WINDOW_UTILITY) != 0) + ((flags & SDL_WINDOW_TOOLTIP) != 0) + ((flags & SDL_WINDOW_POPUP_MENU) != 0)) > 1) {
1417  SDL_SetError("Conflicting window flags specified");
1418  return NULL;
1419  }
1420 
1421  /* Some platforms can't create zero-sized windows */
1422  if (w < 1) {
1423  w = 1;
1424  }
1425  if (h < 1) {
1426  h = 1;
1427  }
1428 
1429  /* Some platforms blow up if the windows are too large. Raise it later? */
1430  if ((w > 16384) || (h > 16384)) {
1431  SDL_SetError("Window is too large.");
1432  return NULL;
1433  }
1434 
1435  /* Some platforms have OpenGL enabled by default */
1436 #if (SDL_VIDEO_OPENGL && __MACOSX__) || __IPHONEOS__ || __ANDROID__ || __NACL__
1437  if (!_this->is_dummy && !(flags & SDL_WINDOW_VULKAN)) {
1438  flags |= SDL_WINDOW_OPENGL;
1439  }
1440 #endif
1441  if (flags & SDL_WINDOW_OPENGL) {
1442  if (!_this->GL_CreateContext) {
1443  SDL_SetError("OpenGL support is either not configured in SDL "
1444  "or not available in current SDL video driver "
1445  "(%s) or platform", _this->name);
1446  return NULL;
1447  }
1448  if (SDL_GL_LoadLibrary(NULL) < 0) {
1449  return NULL;
1450  }
1451  }
1452 
1453  if (flags & SDL_WINDOW_VULKAN) {
1454  if (!_this->Vulkan_CreateSurface) {
1455  SDL_SetError("Vulkan support is either not configured in SDL "
1456  "or not available in current SDL video driver "
1457  "(%s) or platform", _this->name);
1458  return NULL;
1459  }
1460  if (flags & SDL_WINDOW_OPENGL) {
1461  SDL_SetError("Vulkan and OpenGL not supported on same window");
1462  return NULL;
1463  }
1464  if (SDL_Vulkan_LoadLibrary(NULL) < 0) {
1465  return NULL;
1466  }
1467  }
1468 
1469  /* Unless the user has specified the high-DPI disabling hint, respect the
1470  * SDL_WINDOW_ALLOW_HIGHDPI flag.
1471  */
1472  if (flags & SDL_WINDOW_ALLOW_HIGHDPI) {
1474  flags &= ~SDL_WINDOW_ALLOW_HIGHDPI;
1475  }
1476  }
1477 
1478  window = (SDL_Window *)SDL_calloc(1, sizeof(*window));
1479  if (!window) {
1480  SDL_OutOfMemory();
1481  return NULL;
1482  }
1483  window->magic = &_this->window_magic;
1484  window->id = _this->next_object_id++;
1485  window->x = x;
1486  window->y = y;
1487  window->w = w;
1488  window->h = h;
1491  SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
1492  int displayIndex;
1493  SDL_Rect bounds;
1494 
1495  displayIndex = SDL_GetIndexOfDisplay(display);
1496  SDL_GetDisplayBounds(displayIndex, &bounds);
1498  window->x = bounds.x + (bounds.w - w) / 2;
1499  }
1501  window->y = bounds.y + (bounds.h - h) / 2;
1502  }
1503  }
1504  window->windowed.x = window->x;
1505  window->windowed.y = window->y;
1506  window->windowed.w = window->w;
1507  window->windowed.h = window->h;
1508 
1509  if (flags & SDL_WINDOW_FULLSCREEN) {
1510  SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
1511  int displayIndex;
1512  SDL_Rect bounds;
1513 
1514  displayIndex = SDL_GetIndexOfDisplay(display);
1515  SDL_GetDisplayBounds(displayIndex, &bounds);
1516 
1517  window->x = bounds.x;
1518  window->y = bounds.y;
1519  window->w = bounds.w;
1520  window->h = bounds.h;
1521  }
1522 
1523  window->flags = ((flags & CREATE_FLAGS) | SDL_WINDOW_HIDDEN);
1524  window->last_fullscreen_flags = window->flags;
1525  window->opacity = 1.0f;
1526  window->brightness = 1.0f;
1527  window->next = _this->windows;
1528  window->is_destroying = SDL_FALSE;
1529 
1530  if (_this->windows) {
1531  _this->windows->prev = window;
1532  }
1533  _this->windows = window;
1534 
1535  if (_this->CreateSDLWindow && _this->CreateSDLWindow(_this, window) < 0) {
1536  SDL_DestroyWindow(window);
1537  return NULL;
1538  }
1539 
1540  /* Clear minimized if not on windows, only windows handles it at create rather than FinishWindowCreation,
1541  * but it's important or window focus will get broken on windows!
1542  */
1543 #if !defined(__WIN32__)
1544  if (window->flags & SDL_WINDOW_MINIMIZED) {
1545  window->flags &= ~SDL_WINDOW_MINIMIZED;
1546  }
1547 #endif
1548 
1549 #if __WINRT__ && (NTDDI_VERSION < NTDDI_WIN10)
1550  /* HACK: WinRT 8.x apps can't choose whether or not they are fullscreen
1551  or not. The user can choose this, via OS-provided UI, but this can't
1552  be set programmatically.
1553 
1554  Just look at what SDL's WinRT video backend code detected with regards
1555  to fullscreen (being active, or not), and figure out a return/error code
1556  from that.
1557  */
1558  flags = window->flags;
1559 #endif
1560 
1561  if (title) {
1562  SDL_SetWindowTitle(window, title);
1563  }
1564  SDL_FinishWindowCreation(window, flags);
1565 
1566  /* If the window was created fullscreen, make sure the mode code matches */
1568 
1569  return window;
1570 }
1571 
1572 SDL_Window *
1574 {
1575  SDL_Window *window;
1576 
1577  if (!_this) {
1579  return NULL;
1580  }
1581  if (!_this->CreateSDLWindowFrom) {
1582  SDL_Unsupported();
1583  return NULL;
1584  }
1585  window = (SDL_Window *)SDL_calloc(1, sizeof(*window));
1586  if (!window) {
1587  SDL_OutOfMemory();
1588  return NULL;
1589  }
1590  window->magic = &_this->window_magic;
1591  window->id = _this->next_object_id++;
1592  window->flags = SDL_WINDOW_FOREIGN;
1593  window->last_fullscreen_flags = window->flags;
1594  window->is_destroying = SDL_FALSE;
1595  window->opacity = 1.0f;
1596  window->brightness = 1.0f;
1597  window->next = _this->windows;
1598  if (_this->windows) {
1599  _this->windows->prev = window;
1600  }
1601  _this->windows = window;
1602 
1603  if (_this->CreateSDLWindowFrom(_this, window, data) < 0) {
1604  SDL_DestroyWindow(window);
1605  return NULL;
1606  }
1607 
1608  PrepareDragAndDropSupport(window);
1609 
1610  return window;
1611 }
1612 
1613 int
1615 {
1616  SDL_bool loaded_opengl = SDL_FALSE;
1617 
1618  if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
1619  return SDL_SetError("OpenGL support is either not configured in SDL "
1620  "or not available in current SDL video driver "
1621  "(%s) or platform", _this->name);
1622  }
1623 
1624  if (window->flags & SDL_WINDOW_FOREIGN) {
1625  /* Can't destroy and re-create foreign windows, hrm */
1626  flags |= SDL_WINDOW_FOREIGN;
1627  } else {
1628  flags &= ~SDL_WINDOW_FOREIGN;
1629  }
1630 
1631  /* Restore video mode, etc. */
1632  SDL_HideWindow(window);
1633 
1634  /* Tear down the old native window */
1635  if (window->surface) {
1636  window->surface->flags &= ~SDL_DONTFREE;
1637  SDL_FreeSurface(window->surface);
1638  window->surface = NULL;
1639  window->surface_valid = SDL_FALSE;
1640  }
1641  if (_this->DestroyWindowFramebuffer) {
1642  _this->DestroyWindowFramebuffer(_this, window);
1643  }
1644  if (_this->DestroyWindow && !(flags & SDL_WINDOW_FOREIGN)) {
1645  _this->DestroyWindow(_this, window);
1646  }
1647 
1648  if ((window->flags & SDL_WINDOW_OPENGL) != (flags & SDL_WINDOW_OPENGL)) {
1649  if (flags & SDL_WINDOW_OPENGL) {
1650  if (SDL_GL_LoadLibrary(NULL) < 0) {
1651  return -1;
1652  }
1653  loaded_opengl = SDL_TRUE;
1654  } else {
1656  }
1657  } else if (window->flags & SDL_WINDOW_OPENGL) {
1659  if (SDL_GL_LoadLibrary(NULL) < 0) {
1660  return -1;
1661  }
1662  loaded_opengl = SDL_TRUE;
1663  }
1664 
1665  if ((window->flags & SDL_WINDOW_VULKAN) != (flags & SDL_WINDOW_VULKAN)) {
1666  SDL_SetError("Can't change SDL_WINDOW_VULKAN window flag");
1667  return -1;
1668  }
1669 
1670  if ((window->flags & SDL_WINDOW_VULKAN) && (flags & SDL_WINDOW_OPENGL)) {
1671  SDL_SetError("Vulkan and OpenGL not supported on same window");
1672  return -1;
1673  }
1674 
1675  window->flags = ((flags & CREATE_FLAGS) | SDL_WINDOW_HIDDEN);
1676  window->last_fullscreen_flags = window->flags;
1677  window->is_destroying = SDL_FALSE;
1678 
1679  if (_this->CreateSDLWindow && !(flags & SDL_WINDOW_FOREIGN)) {
1680  if (_this->CreateSDLWindow(_this, window) < 0) {
1681  if (loaded_opengl) {
1683  window->flags &= ~SDL_WINDOW_OPENGL;
1684  }
1685  return -1;
1686  }
1687  }
1688 
1689  if (flags & SDL_WINDOW_FOREIGN) {
1690  window->flags |= SDL_WINDOW_FOREIGN;
1691  }
1692 
1693  if (_this->SetWindowTitle && window->title) {
1694  _this->SetWindowTitle(_this, window);
1695  }
1696 
1697  if (_this->SetWindowIcon && window->icon) {
1698  _this->SetWindowIcon(_this, window, window->icon);
1699  }
1700 
1701  if (window->hit_test) {
1702  _this->SetWindowHitTest(window, SDL_TRUE);
1703  }
1704 
1705  SDL_FinishWindowCreation(window, flags);
1706 
1707  return 0;
1708 }
1709 
1710 SDL_bool
1712 {
1713  return (_this && _this->windows != NULL);
1714 }
1715 
1716 Uint32
1718 {
1719  CHECK_WINDOW_MAGIC(window, 0);
1720 
1721  return window->id;
1722 }
1723 
1724 SDL_Window *
1726 {
1727  SDL_Window *window;
1728 
1729  if (!_this) {
1730  return NULL;
1731  }
1732  for (window = _this->windows; window; window = window->next) {
1733  if (window->id == id) {
1734  return window;
1735  }
1736  }
1737  return NULL;
1738 }
1739 
1740 Uint32
1742 {
1743  CHECK_WINDOW_MAGIC(window, 0);
1744 
1745  return window->flags;
1746 }
1747 
1748 void
1749 SDL_SetWindowTitle(SDL_Window * window, const char *title)
1750 {
1751  CHECK_WINDOW_MAGIC(window,);
1752 
1753  if (title == window->title) {
1754  return;
1755  }
1756  SDL_free(window->title);
1757 
1758  window->title = SDL_strdup(title ? title : "");
1759 
1760  if (_this->SetWindowTitle) {
1761  _this->SetWindowTitle(_this, window);
1762  }
1763 }
1764 
1765 const char *
1767 {
1768  CHECK_WINDOW_MAGIC(window, "");
1769 
1770  return window->title ? window->title : "";
1771 }
1772 
1773 void
1775 {
1776  CHECK_WINDOW_MAGIC(window,);
1777 
1778  if (!icon) {
1779  return;
1780  }
1781 
1782  SDL_FreeSurface(window->icon);
1783 
1784  /* Convert the icon into ARGB8888 */
1786  if (!window->icon) {
1787  return;
1788  }
1789 
1790  if (_this->SetWindowIcon) {
1791  _this->SetWindowIcon(_this, window, window->icon);
1792  }
1793 }
1794 
1795 void*
1796 SDL_SetWindowData(SDL_Window * window, const char *name, void *userdata)
1797 {
1798  SDL_WindowUserData *prev, *data;
1799 
1800  CHECK_WINDOW_MAGIC(window, NULL);
1801 
1802  /* Input validation */
1803  if (name == NULL || name[0] == '\0') {
1804  SDL_InvalidParamError("name");
1805  return NULL;
1806  }
1807 
1808  /* See if the named data already exists */
1809  prev = NULL;
1810  for (data = window->data; data; prev = data, data = data->next) {
1811  if (data->name && SDL_strcmp(data->name, name) == 0) {
1812  void *last_value = data->data;
1813 
1814  if (userdata) {
1815  /* Set the new value */
1816  data->data = userdata;
1817  } else {
1818  /* Delete this value */
1819  if (prev) {
1820  prev->next = data->next;
1821  } else {
1822  window->data = data->next;
1823  }
1824  SDL_free(data->name);
1825  SDL_free(data);
1826  }
1827  return last_value;
1828  }
1829  }
1830 
1831  /* Add new data to the window */
1832  if (userdata) {
1833  data = (SDL_WindowUserData *)SDL_malloc(sizeof(*data));
1834  data->name = SDL_strdup(name);
1835  data->data = userdata;
1836  data->next = window->data;
1837  window->data = data;
1838  }
1839  return NULL;
1840 }
1841 
1842 void *
1843 SDL_GetWindowData(SDL_Window * window, const char *name)
1844 {
1846 
1847  CHECK_WINDOW_MAGIC(window, NULL);
1848 
1849  /* Input validation */
1850  if (name == NULL || name[0] == '\0') {
1851  SDL_InvalidParamError("name");
1852  return NULL;
1853  }
1854 
1855  for (data = window->data; data; data = data->next) {
1856  if (data->name && SDL_strcmp(data->name, name) == 0) {
1857  return data->data;
1858  }
1859  }
1860  return NULL;
1861 }
1862 
1863 void
1865 {
1866  CHECK_WINDOW_MAGIC(window,);
1867 
1869  int displayIndex = (x & 0xFFFF);
1870  SDL_Rect bounds;
1871  if (displayIndex >= _this->num_displays) {
1872  displayIndex = 0;
1873  }
1874 
1875  SDL_zero(bounds);
1876 
1877  SDL_GetDisplayBounds(displayIndex, &bounds);
1878  if (SDL_WINDOWPOS_ISCENTERED(x)) {
1879  x = bounds.x + (bounds.w - window->w) / 2;
1880  }
1881  if (SDL_WINDOWPOS_ISCENTERED(y)) {
1882  y = bounds.y + (bounds.h - window->h) / 2;
1883  }
1884  }
1885 
1886  if ((window->flags & SDL_WINDOW_FULLSCREEN)) {
1887  if (!SDL_WINDOWPOS_ISUNDEFINED(x)) {
1888  window->windowed.x = x;
1889  }
1890  if (!SDL_WINDOWPOS_ISUNDEFINED(y)) {
1891  window->windowed.y = y;
1892  }
1893  } else {
1894  if (!SDL_WINDOWPOS_ISUNDEFINED(x)) {
1895  window->x = x;
1896  }
1897  if (!SDL_WINDOWPOS_ISUNDEFINED(y)) {
1898  window->y = y;
1899  }
1900 
1901  if (_this->SetWindowPosition) {
1902  _this->SetWindowPosition(_this, window);
1903  }
1904  }
1905 }
1906 
1907 void
1908 SDL_GetWindowPosition(SDL_Window * window, int *x, int *y)
1909 {
1910  CHECK_WINDOW_MAGIC(window,);
1911 
1912  /* Fullscreen windows are always at their display's origin */
1913  if (window->flags & SDL_WINDOW_FULLSCREEN) {
1914  int displayIndex;
1915 
1916  if (x) {
1917  *x = 0;
1918  }
1919  if (y) {
1920  *y = 0;
1921  }
1922 
1923  /* Find the window's monitor and update to the
1924  monitor offset. */
1925  displayIndex = SDL_GetWindowDisplayIndex(window);
1926  if (displayIndex >= 0) {
1927  SDL_Rect bounds;
1928 
1929  SDL_zero(bounds);
1930 
1931  SDL_GetDisplayBounds(displayIndex, &bounds);
1932  if (x) {
1933  *x = bounds.x;
1934  }
1935  if (y) {
1936  *y = bounds.y;
1937  }
1938  }
1939  } else {
1940  if (x) {
1941  *x = window->x;
1942  }
1943  if (y) {
1944  *y = window->y;
1945  }
1946  }
1947 }
1948 
1949 void
1951 {
1952  CHECK_WINDOW_MAGIC(window,);
1953  if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
1954  const int want = (bordered != SDL_FALSE); /* normalize the flag. */
1955  const int have = ((window->flags & SDL_WINDOW_BORDERLESS) == 0);
1956  if ((want != have) && (_this->SetWindowBordered)) {
1957  if (want) {
1958  window->flags &= ~SDL_WINDOW_BORDERLESS;
1959  } else {
1960  window->flags |= SDL_WINDOW_BORDERLESS;
1961  }
1962  _this->SetWindowBordered(_this, window, (SDL_bool) want);
1963  }
1964  }
1965 }
1966 
1967 void
1969 {
1970  CHECK_WINDOW_MAGIC(window,);
1971  if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
1972  const int want = (resizable != SDL_FALSE); /* normalize the flag. */
1973  const int have = ((window->flags & SDL_WINDOW_RESIZABLE) != 0);
1974  if ((want != have) && (_this->SetWindowResizable)) {
1975  if (want) {
1976  window->flags |= SDL_WINDOW_RESIZABLE;
1977  } else {
1978  window->flags &= ~SDL_WINDOW_RESIZABLE;
1979  }
1980  _this->SetWindowResizable(_this, window, (SDL_bool) want);
1981  }
1982  }
1983 }
1984 
1985 void
1986 SDL_SetWindowSize(SDL_Window * window, int w, int h)
1987 {
1988  CHECK_WINDOW_MAGIC(window,);
1989  if (w <= 0) {
1990  SDL_InvalidParamError("w");
1991  return;
1992  }
1993  if (h <= 0) {
1994  SDL_InvalidParamError("h");
1995  return;
1996  }
1997 
1998  /* Make sure we don't exceed any window size limits */
1999  if (window->min_w && w < window->min_w) {
2000  w = window->min_w;
2001  }
2002  if (window->max_w && w > window->max_w) {
2003  w = window->max_w;
2004  }
2005  if (window->min_h && h < window->min_h) {
2006  h = window->min_h;
2007  }
2008  if (window->max_h && h > window->max_h) {
2009  h = window->max_h;
2010  }
2011 
2012  window->windowed.w = w;
2013  window->windowed.h = h;
2014 
2015  if (window->flags & SDL_WINDOW_FULLSCREEN) {
2017  window->last_fullscreen_flags = 0;
2019  }
2020  } else {
2021  window->w = w;
2022  window->h = h;
2023  if (_this->SetWindowSize) {
2024  _this->SetWindowSize(_this, window);
2025  }
2026  if (window->w == w && window->h == h) {
2027  /* We didn't get a SDL_WINDOWEVENT_RESIZED event (by design) */
2028  SDL_OnWindowResized(window);
2029  }
2030  }
2031 }
2032 
2033 void
2034 SDL_GetWindowSize(SDL_Window * window, int *w, int *h)
2035 {
2036  CHECK_WINDOW_MAGIC(window,);
2037  if (w) {
2038  *w = window->w;
2039  }
2040  if (h) {
2041  *h = window->h;
2042  }
2043 }
2044 
2045 int
2046 SDL_GetWindowBordersSize(SDL_Window * window, int *top, int *left, int *bottom, int *right)
2047 {
2048  int dummy = 0;
2049 
2050  if (!top) { top = &dummy; }
2051  if (!left) { left = &dummy; }
2052  if (!right) { right = &dummy; }
2053  if (!bottom) { bottom = &dummy; }
2054 
2055  /* Always initialize, so applications don't have to care */
2056  *top = *left = *bottom = *right = 0;
2057 
2058  CHECK_WINDOW_MAGIC(window, -1);
2059 
2060  if (!_this->GetWindowBordersSize) {
2061  return SDL_Unsupported();
2062  }
2063 
2064  return _this->GetWindowBordersSize(_this, window, top, left, bottom, right);
2065 }
2066 
2067 void
2068 SDL_SetWindowMinimumSize(SDL_Window * window, int min_w, int min_h)
2069 {
2070  CHECK_WINDOW_MAGIC(window,);
2071  if (min_w <= 0) {
2072  SDL_InvalidParamError("min_w");
2073  return;
2074  }
2075  if (min_h <= 0) {
2076  SDL_InvalidParamError("min_h");
2077  return;
2078  }
2079 
2080  if ((window->max_w && min_w >= window->max_w) ||
2081  (window->max_h && min_h >= window->max_h)) {
2082  SDL_SetError("SDL_SetWindowMinimumSize(): Tried to set minimum size larger than maximum size");
2083  return;
2084  }
2085 
2086  window->min_w = min_w;
2087  window->min_h = min_h;
2088 
2089  if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
2090  if (_this->SetWindowMinimumSize) {
2091  _this->SetWindowMinimumSize(_this, window);
2092  }
2093  /* Ensure that window is not smaller than minimal size */
2094  SDL_SetWindowSize(window, SDL_max(window->w, window->min_w), SDL_max(window->h, window->min_h));
2095  }
2096 }
2097 
2098 void
2099 SDL_GetWindowMinimumSize(SDL_Window * window, int *min_w, int *min_h)
2100 {
2101  CHECK_WINDOW_MAGIC(window,);
2102  if (min_w) {
2103  *min_w = window->min_w;
2104  }
2105  if (min_h) {
2106  *min_h = window->min_h;
2107  }
2108 }
2109 
2110 void
2111 SDL_SetWindowMaximumSize(SDL_Window * window, int max_w, int max_h)
2112 {
2113  CHECK_WINDOW_MAGIC(window,);
2114  if (max_w <= 0) {
2115  SDL_InvalidParamError("max_w");
2116  return;
2117  }
2118  if (max_h <= 0) {
2119  SDL_InvalidParamError("max_h");
2120  return;
2121  }
2122 
2123  if (max_w <= window->min_w || max_h <= window->min_h) {
2124  SDL_SetError("SDL_SetWindowMaximumSize(): Tried to set maximum size smaller than minimum size");
2125  return;
2126  }
2127 
2128  window->max_w = max_w;
2129  window->max_h = max_h;
2130 
2131  if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
2132  if (_this->SetWindowMaximumSize) {
2133  _this->SetWindowMaximumSize(_this, window);
2134  }
2135  /* Ensure that window is not larger than maximal size */
2136  SDL_SetWindowSize(window, SDL_min(window->w, window->max_w), SDL_min(window->h, window->max_h));
2137  }
2138 }
2139 
2140 void
2141 SDL_GetWindowMaximumSize(SDL_Window * window, int *max_w, int *max_h)
2142 {
2143  CHECK_WINDOW_MAGIC(window,);
2144  if (max_w) {
2145  *max_w = window->max_w;
2146  }
2147  if (max_h) {
2148  *max_h = window->max_h;
2149  }
2150 }
2151 
2152 void
2154 {
2155  CHECK_WINDOW_MAGIC(window,);
2156 
2157  if (window->flags & SDL_WINDOW_SHOWN) {
2158  return;
2159  }
2160 
2161  if (_this->ShowWindow) {
2162  _this->ShowWindow(_this, window);
2163  }
2165 }
2166 
2167 void
2169 {
2170  CHECK_WINDOW_MAGIC(window,);
2171 
2172  if (!(window->flags & SDL_WINDOW_SHOWN)) {
2173  return;
2174  }
2175 
2176  window->is_hiding = SDL_TRUE;
2178 
2179  if (_this->HideWindow) {
2180  _this->HideWindow(_this, window);
2181  }
2182  window->is_hiding = SDL_FALSE;
2184 }
2185 
2186 void
2188 {
2189  CHECK_WINDOW_MAGIC(window,);
2190 
2191  if (!(window->flags & SDL_WINDOW_SHOWN)) {
2192  return;
2193  }
2194  if (_this->RaiseWindow) {
2195  _this->RaiseWindow(_this, window);
2196  }
2197 }
2198 
2199 void
2201 {
2202  CHECK_WINDOW_MAGIC(window,);
2203 
2204  if (window->flags & SDL_WINDOW_MAXIMIZED) {
2205  return;
2206  }
2207 
2208  /* !!! FIXME: should this check if the window is resizable? */
2209 
2210  if (_this->MaximizeWindow) {
2211  _this->MaximizeWindow(_this, window);
2212  }
2213 }
2214 
2215 static SDL_bool
2217 {
2218  if (!_this->MinimizeWindow) {
2219  return SDL_FALSE;
2220  }
2221  return SDL_TRUE;
2222 }
2223 
2224 void
2226 {
2227  CHECK_WINDOW_MAGIC(window,);
2228 
2229  if (window->flags & SDL_WINDOW_MINIMIZED) {
2230  return;
2231  }
2232 
2233  if (!CanMinimizeWindow(window)) {
2234  return;
2235  }
2236 
2238 
2239  if (_this->MinimizeWindow) {
2240  _this->MinimizeWindow(_this, window);
2241  }
2242 }
2243 
2244 void
2246 {
2247  CHECK_WINDOW_MAGIC(window,);
2248 
2249  if (!(window->flags & (SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED))) {
2250  return;
2251  }
2252 
2253  if (_this->RestoreWindow) {
2254  _this->RestoreWindow(_this, window);
2255  }
2256 }
2257 
2258 int
2260 {
2261  Uint32 oldflags;
2262  CHECK_WINDOW_MAGIC(window, -1);
2263 
2264  flags &= FULLSCREEN_MASK;
2265 
2266  if (flags == (window->flags & FULLSCREEN_MASK)) {
2267  return 0;
2268  }
2269 
2270  /* clear the previous flags and OR in the new ones */
2271  oldflags = window->flags & FULLSCREEN_MASK;
2272  window->flags &= ~FULLSCREEN_MASK;
2273  window->flags |= flags;
2274 
2275  if (SDL_UpdateFullscreenMode(window, FULLSCREEN_VISIBLE(window)) == 0) {
2276  return 0;
2277  }
2278 
2279  window->flags &= ~FULLSCREEN_MASK;
2280  window->flags |= oldflags;
2281  return -1;
2282 }
2283 
2284 static SDL_Surface *
2286 {
2287  Uint32 format;
2288  void *pixels;
2289  int pitch;
2290  int bpp;
2291  Uint32 Rmask, Gmask, Bmask, Amask;
2292 
2293  if (!_this->CreateWindowFramebuffer || !_this->UpdateWindowFramebuffer) {
2294  return NULL;
2295  }
2296 
2297  if (_this->CreateWindowFramebuffer(_this, window, &format, &pixels, &pitch) < 0) {
2298  return NULL;
2299  }
2300 
2301  if (!SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
2302  return NULL;
2303  }
2304 
2305  return SDL_CreateRGBSurfaceFrom(pixels, window->w, window->h, bpp, pitch, Rmask, Gmask, Bmask, Amask);
2306 }
2307 
2308 SDL_Surface *
2310 {
2311  CHECK_WINDOW_MAGIC(window, NULL);
2312 
2313  if (!window->surface_valid) {
2314  if (window->surface) {
2315  window->surface->flags &= ~SDL_DONTFREE;
2316  SDL_FreeSurface(window->surface);
2317  }
2318  window->surface = SDL_CreateWindowFramebuffer(window);
2319  if (window->surface) {
2320  window->surface_valid = SDL_TRUE;
2321  window->surface->flags |= SDL_DONTFREE;
2322  }
2323  }
2324  return window->surface;
2325 }
2326 
2327 int
2329 {
2330  SDL_Rect full_rect;
2331 
2332  CHECK_WINDOW_MAGIC(window, -1);
2333 
2334  full_rect.x = 0;
2335  full_rect.y = 0;
2336  full_rect.w = window->w;
2337  full_rect.h = window->h;
2338  return SDL_UpdateWindowSurfaceRects(window, &full_rect, 1);
2339 }
2340 
2341 int
2343  int numrects)
2344 {
2345  CHECK_WINDOW_MAGIC(window, -1);
2346 
2347  if (!window->surface_valid) {
2348  return SDL_SetError("Window surface is invalid, please call SDL_GetWindowSurface() to get a new surface");
2349  }
2350 
2351  return _this->UpdateWindowFramebuffer(_this, window, rects, numrects);
2352 }
2353 
2354 int
2355 SDL_SetWindowBrightness(SDL_Window * window, float brightness)
2356 {
2357  Uint16 ramp[256];
2358  int status;
2359 
2360  CHECK_WINDOW_MAGIC(window, -1);
2361 
2362  SDL_CalculateGammaRamp(brightness, ramp);
2363  status = SDL_SetWindowGammaRamp(window, ramp, ramp, ramp);
2364  if (status == 0) {
2365  window->brightness = brightness;
2366  }
2367  return status;
2368 }
2369 
2370 float
2372 {
2373  CHECK_WINDOW_MAGIC(window, 1.0f);
2374 
2375  return window->brightness;
2376 }
2377 
2378 int
2379 SDL_SetWindowOpacity(SDL_Window * window, float opacity)
2380 {
2381  int retval;
2382  CHECK_WINDOW_MAGIC(window, -1);
2383 
2384  if (!_this->SetWindowOpacity) {
2385  return SDL_Unsupported();
2386  }
2387 
2388  if (opacity < 0.0f) {
2389  opacity = 0.0f;
2390  } else if (opacity > 1.0f) {
2391  opacity = 1.0f;
2392  }
2393 
2394  retval = _this->SetWindowOpacity(_this, window, opacity);
2395  if (retval == 0) {
2396  window->opacity = opacity;
2397  }
2398 
2399  return retval;
2400 }
2401 
2402 int
2403 SDL_GetWindowOpacity(SDL_Window * window, float * out_opacity)
2404 {
2405  CHECK_WINDOW_MAGIC(window, -1);
2406 
2407  if (out_opacity) {
2408  *out_opacity = window->opacity;
2409  }
2410 
2411  return 0;
2412 }
2413 
2414 int
2415 SDL_SetWindowModalFor(SDL_Window * modal_window, SDL_Window * parent_window)
2416 {
2417  CHECK_WINDOW_MAGIC(modal_window, -1);
2418  CHECK_WINDOW_MAGIC(parent_window, -1);
2419 
2420  if (!_this->SetWindowModalFor) {
2421  return SDL_Unsupported();
2422  }
2423 
2424  return _this->SetWindowModalFor(_this, modal_window, parent_window);
2425 }
2426 
2427 int
2429 {
2430  CHECK_WINDOW_MAGIC(window, -1);
2431 
2432  if (!_this->SetWindowInputFocus) {
2433  return SDL_Unsupported();
2434  }
2435 
2436  return _this->SetWindowInputFocus(_this, window);
2437 }
2438 
2439 
2440 int
2442  const Uint16 * green,
2443  const Uint16 * blue)
2444 {
2445  CHECK_WINDOW_MAGIC(window, -1);
2446 
2447  if (!_this->SetWindowGammaRamp) {
2448  return SDL_Unsupported();
2449  }
2450 
2451  if (!window->gamma) {
2452  if (SDL_GetWindowGammaRamp(window, NULL, NULL, NULL) < 0) {
2453  return -1;
2454  }
2455  SDL_assert(window->gamma != NULL);
2456  }
2457 
2458  if (red) {
2459  SDL_memcpy(&window->gamma[0*256], red, 256*sizeof(Uint16));
2460  }
2461  if (green) {
2462  SDL_memcpy(&window->gamma[1*256], green, 256*sizeof(Uint16));
2463  }
2464  if (blue) {
2465  SDL_memcpy(&window->gamma[2*256], blue, 256*sizeof(Uint16));
2466  }
2467  if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
2468  return _this->SetWindowGammaRamp(_this, window, window->gamma);
2469  } else {
2470  return 0;
2471  }
2472 }
2473 
2474 int
2476  Uint16 * green,
2477  Uint16 * blue)
2478 {
2479  CHECK_WINDOW_MAGIC(window, -1);
2480 
2481  if (!window->gamma) {
2482  int i;
2483 
2484  window->gamma = (Uint16 *)SDL_malloc(256*6*sizeof(Uint16));
2485  if (!window->gamma) {
2486  return SDL_OutOfMemory();
2487  }
2488  window->saved_gamma = window->gamma + 3*256;
2489 
2490  if (_this->GetWindowGammaRamp) {
2491  if (_this->GetWindowGammaRamp(_this, window, window->gamma) < 0) {
2492  return -1;
2493  }
2494  } else {
2495  /* Create an identity gamma ramp */
2496  for (i = 0; i < 256; ++i) {
2497  Uint16 value = (Uint16)((i << 8) | i);
2498 
2499  window->gamma[0*256+i] = value;
2500  window->gamma[1*256+i] = value;
2501  window->gamma[2*256+i] = value;
2502  }
2503  }
2504  SDL_memcpy(window->saved_gamma, window->gamma, 3*256*sizeof(Uint16));
2505  }
2506 
2507  if (red) {
2508  SDL_memcpy(red, &window->gamma[0*256], 256*sizeof(Uint16));
2509  }
2510  if (green) {
2511  SDL_memcpy(green, &window->gamma[1*256], 256*sizeof(Uint16));
2512  }
2513  if (blue) {
2514  SDL_memcpy(blue, &window->gamma[2*256], 256*sizeof(Uint16));
2515  }
2516  return 0;
2517 }
2518 
2519 void
2521 {
2522  SDL_Window *grabbed_window;
2523  SDL_bool grabbed;
2524  if ((SDL_GetMouse()->relative_mode || (window->flags & SDL_WINDOW_INPUT_GRABBED)) &&
2525  (window->flags & SDL_WINDOW_INPUT_FOCUS)) {
2526  grabbed = SDL_TRUE;
2527  } else {
2528  grabbed = SDL_FALSE;
2529  }
2530 
2531  grabbed_window = _this->grabbed_window;
2532  if (grabbed) {
2533  if (grabbed_window && (grabbed_window != window)) {
2534  /* stealing a grab from another window! */
2535  grabbed_window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
2536  if (_this->SetWindowGrab) {
2537  _this->SetWindowGrab(_this, grabbed_window, SDL_FALSE);
2538  }
2539  }
2540  _this->grabbed_window = window;
2541  } else if (grabbed_window == window) {
2542  _this->grabbed_window = NULL; /* ungrabbing. */
2543  }
2544 
2545  if (_this->SetWindowGrab) {
2546  _this->SetWindowGrab(_this, window, grabbed);
2547  }
2548 }
2549 
2550 void
2552 {
2553  CHECK_WINDOW_MAGIC(window,);
2554 
2555  if (!!grabbed == !!(window->flags & SDL_WINDOW_INPUT_GRABBED)) {
2556  return;
2557  }
2558  if (grabbed) {
2559  window->flags |= SDL_WINDOW_INPUT_GRABBED;
2560  } else {
2561  window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
2562  }
2563  SDL_UpdateWindowGrab(window);
2564 }
2565 
2566 SDL_bool
2568 {
2569  CHECK_WINDOW_MAGIC(window, SDL_FALSE);
2571  return window == _this->grabbed_window;
2572 }
2573 
2574 SDL_Window *
2576 {
2578  return _this->grabbed_window;
2579 }
2580 
2581 void
2583 {
2584  SDL_OnWindowRestored(window);
2585 }
2586 
2587 void
2589 {
2591 }
2592 
2593 void
2595 {
2596  window->surface_valid = SDL_FALSE;
2597  SDL_SendWindowEvent(window, SDL_WINDOWEVENT_SIZE_CHANGED, window->w, window->h);
2598 }
2599 
2600 void
2602 {
2604 }
2605 
2606 void
2608 {
2609  /*
2610  * FIXME: Is this fine to just remove this, or should it be preserved just
2611  * for the fullscreen case? In principle it seems like just hiding/showing
2612  * windows shouldn't affect the stacking order; maybe the right fix is to
2613  * re-decouple OnWindowShown and OnWindowRestored.
2614  */
2615  /*SDL_RaiseWindow(window);*/
2616 
2617  if (FULLSCREEN_VISIBLE(window)) {
2619  }
2620 }
2621 
2622 void
2624 {
2625  if (_this->OnWindowEnter) {
2626  _this->OnWindowEnter(_this, window);
2627  }
2628 }
2629 
2630 void
2632 {
2633 }
2634 
2635 void
2637 {
2638  SDL_Mouse *mouse = SDL_GetMouse();
2639 
2640  if (window->gamma && _this->SetWindowGammaRamp) {
2641  _this->SetWindowGammaRamp(_this, window, window->gamma);
2642  }
2643 
2644  if (mouse && mouse->relative_mode) {
2645  SDL_SetMouseFocus(window);
2646  SDL_WarpMouseInWindow(window, window->w/2, window->h/2);
2647  }
2648 
2649  SDL_UpdateWindowGrab(window);
2650 }
2651 
2652 static SDL_bool
2654 {
2655  if (!(window->flags & SDL_WINDOW_FULLSCREEN) || window->is_destroying) {
2656  return SDL_FALSE;
2657  }
2658 
2659 #ifdef __MACOSX__
2660  if (SDL_strcmp(_this->name, "cocoa") == 0) { /* don't do this for X11, etc */
2661  if (Cocoa_IsWindowInFullscreenSpace(window)) {
2662  return SDL_FALSE;
2663  }
2664  }
2665 #endif
2666 
2667 #ifdef __ANDROID__
2668  {
2671  return SDL_FALSE;
2672  }
2673  }
2674 #endif
2675 
2677 }
2678 
2679 void
2681 {
2682  if (window->gamma && _this->SetWindowGammaRamp) {
2683  _this->SetWindowGammaRamp(_this, window, window->saved_gamma);
2684  }
2685 
2686  SDL_UpdateWindowGrab(window);
2687 
2688  if (ShouldMinimizeOnFocusLoss(window)) {
2689  SDL_MinimizeWindow(window);
2690  }
2691 }
2692 
2693 /* !!! FIXME: is this different than SDL_GetKeyboardFocus()?
2694  !!! FIXME: Also, SDL_GetKeyboardFocus() is O(1), this isn't. */
2695 SDL_Window *
2697 {
2698  SDL_Window *window;
2699 
2700  if (!_this) {
2701  return NULL;
2702  }
2703  for (window = _this->windows; window; window = window->next) {
2704  if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
2705  return window;
2706  }
2707  }
2708  return NULL;
2709 }
2710 
2711 void
2713 {
2714  SDL_VideoDisplay *display;
2715 
2716  CHECK_WINDOW_MAGIC(window,);
2717 
2718  window->is_destroying = SDL_TRUE;
2719 
2720  /* Restore video mode, etc. */
2721  SDL_HideWindow(window);
2722 
2723  /* Make sure this window no longer has focus */
2724  if (SDL_GetKeyboardFocus() == window) {
2726  }
2727  if (SDL_GetMouseFocus() == window) {
2729  }
2730 
2731  /* make no context current if this is the current context window. */
2732  if (window->flags & SDL_WINDOW_OPENGL) {
2733  if (_this->current_glwin == window) {
2734  SDL_GL_MakeCurrent(window, NULL);
2735  }
2736  }
2737 
2738  if (window->surface) {
2739  window->surface->flags &= ~SDL_DONTFREE;
2740  SDL_FreeSurface(window->surface);
2741  }
2742  if (_this->DestroyWindowFramebuffer) {
2743  _this->DestroyWindowFramebuffer(_this, window);
2744  }
2745  if (_this->DestroyWindow) {
2746  _this->DestroyWindow(_this, window);
2747  }
2748  if (window->flags & SDL_WINDOW_OPENGL) {
2750  }
2751  if (window->flags & SDL_WINDOW_VULKAN) {
2753  }
2754 
2755  display = SDL_GetDisplayForWindow(window);
2756  if (display->fullscreen_window == window) {
2757  display->fullscreen_window = NULL;
2758  }
2759 
2760  /* Now invalidate magic */
2761  window->magic = NULL;
2762 
2763  /* Free memory associated with the window */
2764  SDL_free(window->title);
2765  SDL_FreeSurface(window->icon);
2766  SDL_free(window->gamma);
2767  while (window->data) {
2768  SDL_WindowUserData *data = window->data;
2769 
2770  window->data = data->next;
2771  SDL_free(data->name);
2772  SDL_free(data);
2773  }
2774 
2775  /* Unlink the window from the list */
2776  if (window->next) {
2777  window->next->prev = window->prev;
2778  }
2779  if (window->prev) {
2780  window->prev->next = window->next;
2781  } else {
2782  _this->windows = window->next;
2783  }
2784 
2785  SDL_free(window);
2786 }
2787 
2788 SDL_bool
2790 {
2791  if (!_this) {
2792  return SDL_TRUE;
2793  }
2794  return _this->suspend_screensaver ? SDL_FALSE : SDL_TRUE;
2795 }
2796 
2797 void
2799 {
2800  if (!_this) {
2801  return;
2802  }
2803  if (!_this->suspend_screensaver) {
2804  return;
2805  }
2806  _this->suspend_screensaver = SDL_FALSE;
2807  if (_this->SuspendScreenSaver) {
2808  _this->SuspendScreenSaver(_this);
2809  }
2810 }
2811 
2812 void
2814 {
2815  if (!_this) {
2816  return;
2817  }
2818  if (_this->suspend_screensaver) {
2819  return;
2820  }
2821  _this->suspend_screensaver = SDL_TRUE;
2822  if (_this->SuspendScreenSaver) {
2823  _this->SuspendScreenSaver(_this);
2824  }
2825 }
2826 
2827 void
2829 {
2830  int i, j;
2831 
2832  if (!_this) {
2833  return;
2834  }
2835 
2836  /* Halt event processing before doing anything else */
2837  SDL_TouchQuit();
2838  SDL_MouseQuit();
2839  SDL_KeyboardQuit();
2841 
2843 
2844  /* Clean up the system video */
2845  while (_this->windows) {
2846  SDL_DestroyWindow(_this->windows);
2847  }
2848  _this->VideoQuit(_this);
2849 
2850  for (i = 0; i < _this->num_displays; ++i) {
2851  SDL_VideoDisplay *display = &_this->displays[i];
2852  for (j = display->num_display_modes; j--;) {
2853  SDL_free(display->display_modes[j].driverdata);
2854  display->display_modes[j].driverdata = NULL;
2855  }
2856  SDL_free(display->display_modes);
2857  display->display_modes = NULL;
2858  SDL_free(display->desktop_mode.driverdata);
2859  display->desktop_mode.driverdata = NULL;
2860  SDL_free(display->driverdata);
2861  display->driverdata = NULL;
2862  }
2863  if (_this->displays) {
2864  for (i = 0; i < _this->num_displays; ++i) {
2865  SDL_free(_this->displays[i].name);
2866  }
2867  SDL_free(_this->displays);
2868  _this->displays = NULL;
2869  _this->num_displays = 0;
2870  }
2871  SDL_free(_this->clipboard_text);
2872  _this->clipboard_text = NULL;
2873  _this->free(_this);
2874  _this = NULL;
2875 }
2876 
2877 int
2879 {
2880  int retval;
2881 
2882  if (!_this) {
2883  return SDL_UninitializedVideo();
2884  }
2885  if (_this->gl_config.driver_loaded) {
2886  if (path && SDL_strcmp(path, _this->gl_config.driver_path) != 0) {
2887  return SDL_SetError("OpenGL library already loaded");
2888  }
2889  retval = 0;
2890  } else {
2891  if (!_this->GL_LoadLibrary) {
2892  return SDL_SetError("No dynamic GL support in current SDL video driver (%s)", _this->name);
2893  }
2894  retval = _this->GL_LoadLibrary(_this, path);
2895  }
2896  if (retval == 0) {
2897  ++_this->gl_config.driver_loaded;
2898  } else {
2899  if (_this->GL_UnloadLibrary) {
2900  _this->GL_UnloadLibrary(_this);
2901  }
2902  }
2903  return (retval);
2904 }
2905 
2906 void *
2907 SDL_GL_GetProcAddress(const char *proc)
2908 {
2909  void *func;
2910 
2911  if (!_this) {
2913  return NULL;
2914  }
2915  func = NULL;
2916  if (_this->GL_GetProcAddress) {
2917  if (_this->gl_config.driver_loaded) {
2918  func = _this->GL_GetProcAddress(_this, proc);
2919  } else {
2920  SDL_SetError("No GL driver has been loaded");
2921  }
2922  } else {
2923  SDL_SetError("No dynamic GL support in current SDL video driver (%s)", _this->name);
2924  }
2925  return func;
2926 }
2927 
2928 void
2930 {
2931  if (!_this) {
2933  return;
2934  }
2935  if (_this->gl_config.driver_loaded > 0) {
2936  if (--_this->gl_config.driver_loaded > 0) {
2937  return;
2938  }
2939  if (_this->GL_UnloadLibrary) {
2940  _this->GL_UnloadLibrary(_this);
2941  }
2942  }
2943 }
2944 
2945 #if SDL_VIDEO_OPENGL || SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
2946 static SDL_INLINE SDL_bool
2947 isAtLeastGL3(const char *verstr)
2948 {
2949  return (verstr && (SDL_atoi(verstr) >= 3));
2950 }
2951 #endif
2952 
2953 SDL_bool
2954 SDL_GL_ExtensionSupported(const char *extension)
2955 {
2956 #if SDL_VIDEO_OPENGL || SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
2957  const GLubyte *(APIENTRY * glGetStringFunc) (GLenum);
2958  const char *extensions;
2959  const char *start;
2960  const char *where, *terminator;
2961 
2962  /* Extension names should not have spaces. */
2963  where = SDL_strchr(extension, ' ');
2964  if (where || *extension == '\0') {
2965  return SDL_FALSE;
2966  }
2967  /* See if there's an environment variable override */
2968  start = SDL_getenv(extension);
2969  if (start && *start == '0') {
2970  return SDL_FALSE;
2971  }
2972 
2973  /* Lookup the available extensions */
2974 
2975  glGetStringFunc = SDL_GL_GetProcAddress("glGetString");
2976  if (!glGetStringFunc) {
2977  return SDL_FALSE;
2978  }
2979 
2980  if (isAtLeastGL3((const char *) glGetStringFunc(GL_VERSION))) {
2981  const GLubyte *(APIENTRY * glGetStringiFunc) (GLenum, GLuint);
2982  void (APIENTRY * glGetIntegervFunc) (GLenum pname, GLint * params);
2983  GLint num_exts = 0;
2984  GLint i;
2985 
2986  glGetStringiFunc = SDL_GL_GetProcAddress("glGetStringi");
2987  glGetIntegervFunc = SDL_GL_GetProcAddress("glGetIntegerv");
2988  if ((!glGetStringiFunc) || (!glGetIntegervFunc)) {
2989  return SDL_FALSE;
2990  }
2991 
2992  #ifndef GL_NUM_EXTENSIONS
2993  #define GL_NUM_EXTENSIONS 0x821D
2994  #endif
2995  glGetIntegervFunc(GL_NUM_EXTENSIONS, &num_exts);
2996  for (i = 0; i < num_exts; i++) {
2997  const char *thisext = (const char *) glGetStringiFunc(GL_EXTENSIONS, i);
2998  if (SDL_strcmp(thisext, extension) == 0) {
2999  return SDL_TRUE;
3000  }
3001  }
3002 
3003  return SDL_FALSE;
3004  }
3005 
3006  /* Try the old way with glGetString(GL_EXTENSIONS) ... */
3007 
3008  extensions = (const char *) glGetStringFunc(GL_EXTENSIONS);
3009  if (!extensions) {
3010  return SDL_FALSE;
3011  }
3012  /*
3013  * It takes a bit of care to be fool-proof about parsing the OpenGL
3014  * extensions string. Don't be fooled by sub-strings, etc.
3015  */
3016 
3017  start = extensions;
3018 
3019  for (;;) {
3020  where = SDL_strstr(start, extension);
3021  if (!where)
3022  break;
3023 
3024  terminator = where + SDL_strlen(extension);
3025  if (where == extensions || *(where - 1) == ' ')
3026  if (*terminator == ' ' || *terminator == '\0')
3027  return SDL_TRUE;
3028 
3029  start = terminator;
3030  }
3031  return SDL_FALSE;
3032 #else
3033  return SDL_FALSE;
3034 #endif
3035 }
3036 
3037 /* Deduce supported ES profile versions from the supported
3038  ARB_ES*_compatibility extensions. There is no direct query.
3039 
3040  This is normally only called when the OpenGL driver supports
3041  {GLX,WGL}_EXT_create_context_es2_profile.
3042  */
3043 void
3044 SDL_GL_DeduceMaxSupportedESProfile(int* major, int* minor)
3045 {
3046 /* THIS REQUIRES AN EXISTING GL CONTEXT THAT HAS BEEN MADE CURRENT. */
3047 /* Please refer to https://bugzilla.libsdl.org/show_bug.cgi?id=3725 for discussion. */
3048 #if SDL_VIDEO_OPENGL || SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
3049  /* XXX This is fragile; it will break in the event of release of
3050  * new versions of OpenGL ES.
3051  */
3052  if (SDL_GL_ExtensionSupported("GL_ARB_ES3_2_compatibility")) {
3053  *major = 3;
3054  *minor = 2;
3055  } else if (SDL_GL_ExtensionSupported("GL_ARB_ES3_1_compatibility")) {
3056  *major = 3;
3057  *minor = 1;
3058  } else if (SDL_GL_ExtensionSupported("GL_ARB_ES3_compatibility")) {
3059  *major = 3;
3060  *minor = 0;
3061  } else {
3062  *major = 2;
3063  *minor = 0;
3064  }
3065 #endif
3066 }
3067 
3068 void
3070 {
3071  if (!_this) {
3072  return;
3073  }
3074 
3075  _this->gl_config.red_size = 3;
3076  _this->gl_config.green_size = 3;
3077  _this->gl_config.blue_size = 2;
3078  _this->gl_config.alpha_size = 0;
3079  _this->gl_config.buffer_size = 0;
3080  _this->gl_config.depth_size = 16;
3081  _this->gl_config.stencil_size = 0;
3082  _this->gl_config.double_buffer = 1;
3083  _this->gl_config.accum_red_size = 0;
3084  _this->gl_config.accum_green_size = 0;
3085  _this->gl_config.accum_blue_size = 0;
3086  _this->gl_config.accum_alpha_size = 0;
3087  _this->gl_config.stereo = 0;
3088  _this->gl_config.multisamplebuffers = 0;
3089  _this->gl_config.multisamplesamples = 0;
3090  _this->gl_config.retained_backing = 1;
3091  _this->gl_config.accelerated = -1; /* accelerated or not, both are fine */
3092 
3093  if (_this->GL_DefaultProfileConfig) {
3094  _this->GL_DefaultProfileConfig(_this, &_this->gl_config.profile_mask,
3095  &_this->gl_config.major_version,
3096  &_this->gl_config.minor_version);
3097  } else {
3098 #if SDL_VIDEO_OPENGL
3099  _this->gl_config.major_version = 2;
3100  _this->gl_config.minor_version = 1;
3101  _this->gl_config.profile_mask = 0;
3102 #elif SDL_VIDEO_OPENGL_ES2
3103  _this->gl_config.major_version = 2;
3104  _this->gl_config.minor_version = 0;
3106 #elif SDL_VIDEO_OPENGL_ES
3107  _this->gl_config.major_version = 1;
3108  _this->gl_config.minor_version = 1;
3110 #endif
3111  }
3112 
3113  _this->gl_config.flags = 0;
3115  _this->gl_config.no_error = 0;
3118 
3120 }
3121 
3122 int
3124 {
3125 #if SDL_VIDEO_OPENGL || SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
3126  int retval;
3127 
3128  if (!_this) {
3129  return SDL_UninitializedVideo();
3130  }
3131  retval = 0;
3132  switch (attr) {
3133  case SDL_GL_RED_SIZE:
3134  _this->gl_config.red_size = value;
3135  break;
3136  case SDL_GL_GREEN_SIZE:
3137  _this->gl_config.green_size = value;
3138  break;
3139  case SDL_GL_BLUE_SIZE:
3140  _this->gl_config.blue_size = value;
3141  break;
3142  case SDL_GL_ALPHA_SIZE:
3143  _this->gl_config.alpha_size = value;
3144  break;
3145  case SDL_GL_DOUBLEBUFFER:
3146  _this->gl_config.double_buffer = value;
3147  break;
3148  case SDL_GL_BUFFER_SIZE:
3149  _this->gl_config.buffer_size = value;
3150  break;
3151  case SDL_GL_DEPTH_SIZE:
3152  _this->gl_config.depth_size = value;
3153  break;
3154  case SDL_GL_STENCIL_SIZE:
3155  _this->gl_config.stencil_size = value;
3156  break;
3157  case SDL_GL_ACCUM_RED_SIZE:
3158  _this->gl_config.accum_red_size = value;
3159  break;
3161  _this->gl_config.accum_green_size = value;
3162  break;
3164  _this->gl_config.accum_blue_size = value;
3165  break;
3167  _this->gl_config.accum_alpha_size = value;
3168  break;
3169  case SDL_GL_STEREO:
3170  _this->gl_config.stereo = value;
3171  break;
3174  break;
3177  break;
3179  _this->gl_config.accelerated = value;
3180  break;
3182  _this->gl_config.retained_backing = value;
3183  break;
3185  _this->gl_config.major_version = value;
3186  break;
3188  _this->gl_config.minor_version = value;
3189  break;
3190  case SDL_GL_CONTEXT_EGL:
3191  /* FIXME: SDL_GL_CONTEXT_EGL to be deprecated in SDL 2.1 */
3192  if (value != 0) {
3194  } else {
3196  };
3197  break;
3198  case SDL_GL_CONTEXT_FLAGS:
3199  if (value & ~(SDL_GL_CONTEXT_DEBUG_FLAG |
3203  retval = SDL_SetError("Unknown OpenGL context flag %d", value);
3204  break;
3205  }
3206  _this->gl_config.flags = value;
3207  break;
3209  if (value != 0 &&
3210  value != SDL_GL_CONTEXT_PROFILE_CORE &&
3212  value != SDL_GL_CONTEXT_PROFILE_ES) {
3213  retval = SDL_SetError("Unknown OpenGL context profile %d", value);
3214  break;
3215  }
3216  _this->gl_config.profile_mask = value;
3217  break;
3220  break;
3223  break;
3225  _this->gl_config.release_behavior = value;
3226  break;
3229  break;
3231  _this->gl_config.no_error = value;
3232  break;
3233  default:
3234  retval = SDL_SetError("Unknown OpenGL attribute");
3235  break;
3236  }
3237  return retval;
3238 #else
3239  return SDL_Unsupported();
3240 #endif /* SDL_VIDEO_OPENGL */
3241 }
3242 
3243 int
3245 {
3246 #if SDL_VIDEO_OPENGL || SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
3247  GLenum (APIENTRY *glGetErrorFunc) (void);
3248  GLenum attrib = 0;
3249  GLenum error = 0;
3250 
3251  /*
3252  * Some queries in Core Profile desktop OpenGL 3+ contexts require
3253  * glGetFramebufferAttachmentParameteriv instead of glGetIntegerv. Note that
3254  * the enums we use for the former function don't exist in OpenGL ES 2, and
3255  * the function itself doesn't exist prior to OpenGL 3 and OpenGL ES 2.
3256  */
3257 #if SDL_VIDEO_OPENGL
3258  const GLubyte *(APIENTRY *glGetStringFunc) (GLenum name);
3259  void (APIENTRY *glGetFramebufferAttachmentParameterivFunc) (GLenum target, GLenum attachment, GLenum pname, GLint* params);
3260  GLenum attachment = GL_BACK_LEFT;
3261  GLenum attachmentattrib = 0;
3262 #endif
3263 
3264  if (!value) {
3265  return SDL_InvalidParamError("value");
3266  }
3267 
3268  /* Clear value in any case */
3269  *value = 0;
3270 
3271  if (!_this) {
3272  return SDL_UninitializedVideo();
3273  }
3274 
3275  switch (attr) {
3276  case SDL_GL_RED_SIZE:
3277 #if SDL_VIDEO_OPENGL
3278  attachmentattrib = GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE;
3279 #endif
3280  attrib = GL_RED_BITS;
3281  break;
3282  case SDL_GL_BLUE_SIZE:
3283 #if SDL_VIDEO_OPENGL
3284  attachmentattrib = GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE;
3285 #endif
3286  attrib = GL_BLUE_BITS;
3287  break;
3288  case SDL_GL_GREEN_SIZE:
3289 #if SDL_VIDEO_OPENGL
3290  attachmentattrib = GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE;
3291 #endif
3292  attrib = GL_GREEN_BITS;
3293  break;
3294  case SDL_GL_ALPHA_SIZE:
3295 #if SDL_VIDEO_OPENGL
3296  attachmentattrib = GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE;
3297 #endif
3298  attrib = GL_ALPHA_BITS;
3299  break;
3300  case SDL_GL_DOUBLEBUFFER:
3301 #if SDL_VIDEO_OPENGL
3302  attrib = GL_DOUBLEBUFFER;
3303  break;
3304 #else
3305  /* OpenGL ES 1.0 and above specifications have EGL_SINGLE_BUFFER */
3306  /* parameter which switches double buffer to single buffer. OpenGL ES */
3307  /* SDL driver must set proper value after initialization */
3308  *value = _this->gl_config.double_buffer;
3309  return 0;
3310 #endif
3311  case SDL_GL_DEPTH_SIZE:
3312 #if SDL_VIDEO_OPENGL
3313  attachment = GL_DEPTH;
3314  attachmentattrib = GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE;
3315 #endif
3316  attrib = GL_DEPTH_BITS;
3317  break;
3318  case SDL_GL_STENCIL_SIZE:
3319 #if SDL_VIDEO_OPENGL
3320  attachment = GL_STENCIL;
3321  attachmentattrib = GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE;
3322 #endif
3323  attrib = GL_STENCIL_BITS;
3324  break;
3325 #if SDL_VIDEO_OPENGL
3326  case SDL_GL_ACCUM_RED_SIZE:
3327  attrib = GL_ACCUM_RED_BITS;
3328  break;
3330  attrib = GL_ACCUM_GREEN_BITS;
3331  break;
3333  attrib = GL_ACCUM_BLUE_BITS;
3334  break;
3336  attrib = GL_ACCUM_ALPHA_BITS;
3337  break;
3338  case SDL_GL_STEREO:
3339  attrib = GL_STEREO;
3340  break;
3341 #else
3342  case SDL_GL_ACCUM_RED_SIZE:
3346  case SDL_GL_STEREO:
3347  /* none of these are supported in OpenGL ES */
3348  *value = 0;
3349  return 0;
3350 #endif
3352  attrib = GL_SAMPLE_BUFFERS;
3353  break;
3355  attrib = GL_SAMPLES;
3356  break;
3358 #if SDL_VIDEO_OPENGL
3359  attrib = GL_CONTEXT_RELEASE_BEHAVIOR;
3360 #else
3362 #endif
3363  break;
3364  case SDL_GL_BUFFER_SIZE:
3365  {
3366  int rsize = 0, gsize = 0, bsize = 0, asize = 0;
3367 
3368  /* There doesn't seem to be a single flag in OpenGL for this! */
3369  if (SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &rsize) < 0) {
3370  return -1;
3371  }
3372  if (SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &gsize) < 0) {
3373  return -1;
3374  }
3375  if (SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &bsize) < 0) {
3376  return -1;
3377  }
3378  if (SDL_GL_GetAttribute(SDL_GL_ALPHA_SIZE, &asize) < 0) {
3379  return -1;
3380  }
3381 
3382  *value = rsize + gsize + bsize + asize;
3383  return 0;
3384  }
3386  {
3387  /* FIXME: How do we get this information? */
3388  *value = (_this->gl_config.accelerated != 0);
3389  return 0;
3390  }
3392  {
3393  *value = _this->gl_config.retained_backing;
3394  return 0;
3395  }
3397  {
3398  *value = _this->gl_config.major_version;
3399  return 0;
3400  }
3402  {
3403  *value = _this->gl_config.minor_version;
3404  return 0;
3405  }
3406  case SDL_GL_CONTEXT_EGL:
3407  /* FIXME: SDL_GL_CONTEXT_EGL to be deprecated in SDL 2.1 */
3408  {
3410  *value = 1;
3411  }
3412  else {
3413  *value = 0;
3414  }
3415  return 0;
3416  }
3417  case SDL_GL_CONTEXT_FLAGS:
3418  {
3419  *value = _this->gl_config.flags;
3420  return 0;
3421  }
3423  {
3424  *value = _this->gl_config.profile_mask;
3425  return 0;
3426  }
3428  {
3429  *value = _this->gl_config.share_with_current_context;
3430  return 0;
3431  }
3433  {
3434  *value = _this->gl_config.framebuffer_srgb_capable;
3435  return 0;
3436  }
3438  {
3439  *value = _this->gl_config.no_error;
3440  return 0;
3441  }
3442  default:
3443  return SDL_SetError("Unknown OpenGL attribute");
3444  }
3445 
3446 #if SDL_VIDEO_OPENGL
3447  glGetStringFunc = SDL_GL_GetProcAddress("glGetString");
3448  if (!glGetStringFunc) {
3449  return -1;
3450  }
3451 
3452  if (attachmentattrib && isAtLeastGL3((const char *) glGetStringFunc(GL_VERSION))) {
3453  glGetFramebufferAttachmentParameterivFunc = SDL_GL_GetProcAddress("glGetFramebufferAttachmentParameteriv");
3454 
3455  if (glGetFramebufferAttachmentParameterivFunc) {
3456  glGetFramebufferAttachmentParameterivFunc(GL_FRAMEBUFFER, attachment, attachmentattrib, (GLint *) value);
3457  } else {
3458  return -1;
3459  }
3460  } else
3461 #endif
3462  {
3463  void (APIENTRY *glGetIntegervFunc) (GLenum pname, GLint * params);
3464  glGetIntegervFunc = SDL_GL_GetProcAddress("glGetIntegerv");
3465  if (glGetIntegervFunc) {
3466  glGetIntegervFunc(attrib, (GLint *) value);
3467  } else {
3468  return -1;
3469  }
3470  }
3471 
3472  glGetErrorFunc = SDL_GL_GetProcAddress("glGetError");
3473  if (!glGetErrorFunc) {
3474  return -1;
3475  }
3476 
3477  error = glGetErrorFunc();
3478  if (error != GL_NO_ERROR) {
3479  if (error == GL_INVALID_ENUM) {
3480  return SDL_SetError("OpenGL error: GL_INVALID_ENUM");
3481  } else if (error == GL_INVALID_VALUE) {
3482  return SDL_SetError("OpenGL error: GL_INVALID_VALUE");
3483  }
3484  return SDL_SetError("OpenGL error: %08X", error);
3485  }
3486  return 0;
3487 #else
3488  return SDL_Unsupported();
3489 #endif /* SDL_VIDEO_OPENGL */
3490 }
3491 
3494 {
3496  CHECK_WINDOW_MAGIC(window, NULL);
3497 
3498  if (!(window->flags & SDL_WINDOW_OPENGL)) {
3499  SDL_SetError("The specified window isn't an OpenGL window");
3500  return NULL;
3501  }
3502 
3503  ctx = _this->GL_CreateContext(_this, window);
3504 
3505  /* Creating a context is assumed to make it current in the SDL driver. */
3506  if (ctx) {
3507  _this->current_glwin = window;
3508  _this->current_glctx = ctx;
3509  SDL_TLSSet(_this->current_glwin_tls, window, NULL);
3510  SDL_TLSSet(_this->current_glctx_tls, ctx, NULL);
3511  }
3512  return ctx;
3513 }
3514 
3515 int
3517 {
3518  int retval;
3519 
3520  if (window == SDL_GL_GetCurrentWindow() &&
3521  ctx == SDL_GL_GetCurrentContext()) {
3522  /* We're already current. */
3523  return 0;
3524  }
3525 
3526  if (!ctx) {
3527  window = NULL;
3528  } else {
3529  CHECK_WINDOW_MAGIC(window, -1);
3530 
3531  if (!(window->flags & SDL_WINDOW_OPENGL)) {
3532  return SDL_SetError("The specified window isn't an OpenGL window");
3533  }
3534  }
3535 
3536  retval = _this->GL_MakeCurrent(_this, window, ctx);
3537  if (retval == 0) {
3538  _this->current_glwin = window;
3539  _this->current_glctx = ctx;
3540  SDL_TLSSet(_this->current_glwin_tls, window, NULL);
3541  SDL_TLSSet(_this->current_glctx_tls, ctx, NULL);
3542  }
3543  return retval;
3544 }
3545 
3546 SDL_Window *
3548 {
3549  if (!_this) {
3551  return NULL;
3552  }
3553  return (SDL_Window *)SDL_TLSGet(_this->current_glwin_tls);
3554 }
3555 
3558 {
3559  if (!_this) {
3561  return NULL;
3562  }
3563  return (SDL_GLContext)SDL_TLSGet(_this->current_glctx_tls);
3564 }
3565 
3566 void SDL_GL_GetDrawableSize(SDL_Window * window, int *w, int *h)
3567 {
3568  CHECK_WINDOW_MAGIC(window,);
3569 
3570  if (_this->GL_GetDrawableSize) {
3571  _this->GL_GetDrawableSize(_this, window, w, h);
3572  } else {
3573  SDL_GetWindowSize(window, w, h);
3574  }
3575 }
3576 
3577 int
3579 {
3580  if (!_this) {
3581  return SDL_UninitializedVideo();
3582  } else if (SDL_GL_GetCurrentContext() == NULL) {
3583  return SDL_SetError("No OpenGL context has been made current");
3584  } else if (_this->GL_SetSwapInterval) {
3585  return _this->GL_SetSwapInterval(_this, interval);
3586  } else {
3587  return SDL_SetError("Setting the swap interval is not supported");
3588  }
3589 }
3590 
3591 int
3593 {
3594  if (!_this) {
3595  return 0;
3596  } else if (SDL_GL_GetCurrentContext() == NULL) {
3597  return 0;
3598  } else if (_this->GL_GetSwapInterval) {
3599  return _this->GL_GetSwapInterval(_this);
3600  } else {
3601  return 0;
3602  }
3603 }
3604 
3605 void
3607 {
3608  CHECK_WINDOW_MAGIC(window,);
3609 
3610  if (!(window->flags & SDL_WINDOW_OPENGL)) {
3611  SDL_SetError("The specified window isn't an OpenGL window");
3612  return;
3613  }
3614 
3615  if (SDL_GL_GetCurrentWindow() != window) {
3616  SDL_SetError("The specified window has not been made current");
3617  return;
3618  }
3619 
3620  _this->GL_SwapWindow(_this, window);
3621 }
3622 
3623 void
3625 {
3626  if (!_this || !context) {
3627  return;
3628  }
3629 
3630  if (SDL_GL_GetCurrentContext() == context) {
3632  }
3633 
3634  _this->GL_DeleteContext(_this, context);
3635 }
3636 
3637 #if 0 /* FIXME */
3638 /*
3639  * Utility function used by SDL_WM_SetIcon(); flags & 1 for color key, flags
3640  * & 2 for alpha channel.
3641  */
3642 static void
3643 CreateMaskFromColorKeyOrAlpha(SDL_Surface * icon, Uint8 * mask, int flags)
3644 {
3645  int x, y;
3646  Uint32 colorkey;
3647 #define SET_MASKBIT(icon, x, y, mask) \
3648  mask[(y*((icon->w+7)/8))+(x/8)] &= ~(0x01<<(7-(x%8)))
3649 
3650  colorkey = icon->format->colorkey;
3651  switch (icon->format->BytesPerPixel) {
3652  case 1:
3653  {
3654  Uint8 *pixels;
3655  for (y = 0; y < icon->h; ++y) {
3656  pixels = (Uint8 *) icon->pixels + y * icon->pitch;
3657  for (x = 0; x < icon->w; ++x) {
3658  if (*pixels++ == colorkey) {
3659  SET_MASKBIT(icon, x, y, mask);
3660  }
3661  }
3662  }
3663  }
3664  break;
3665 
3666  case 2:
3667  {
3668  Uint16 *pixels;
3669  for (y = 0; y < icon->h; ++y) {
3670  pixels = (Uint16 *) icon->pixels + y * icon->pitch / 2;
3671  for (x = 0; x < icon->w; ++x) {
3672  if ((flags & 1) && *pixels == colorkey) {
3673  SET_MASKBIT(icon, x, y, mask);
3674  } else if ((flags & 2)
3675  && (*pixels & icon->format->Amask) == 0) {
3676  SET_MASKBIT(icon, x, y, mask);
3677  }
3678  pixels++;
3679  }
3680  }
3681  }
3682  break;
3683 
3684  case 4:
3685  {
3686  Uint32 *pixels;
3687  for (y = 0; y < icon->h; ++y) {
3688  pixels = (Uint32 *) icon->pixels + y * icon->pitch / 4;
3689  for (x = 0; x < icon->w; ++x) {
3690  if ((flags & 1) && *pixels == colorkey) {
3691  SET_MASKBIT(icon, x, y, mask);
3692  } else if ((flags & 2)
3693  && (*pixels & icon->format->Amask) == 0) {
3694  SET_MASKBIT(icon, x, y, mask);
3695  }
3696  pixels++;
3697  }
3698  }
3699  }
3700  break;
3701  }
3702 }
3703 
3704 /*
3705  * Sets the window manager icon for the display window.
3706  */
3707 void
3708 SDL_WM_SetIcon(SDL_Surface * icon, Uint8 * mask)
3709 {
3710  if (icon && _this->SetIcon) {
3711  /* Generate a mask if necessary, and create the icon! */
3712  if (mask == NULL) {
3713  int mask_len = icon->h * (icon->w + 7) / 8;
3714  int flags = 0;
3715  mask = (Uint8 *) SDL_malloc(mask_len);
3716  if (mask == NULL) {
3717  return;
3718  }
3719  SDL_memset(mask, ~0, mask_len);
3720  if (icon->flags & SDL_SRCCOLORKEY)
3721  flags |= 1;
3722  if (icon->flags & SDL_SRCALPHA)
3723  flags |= 2;
3724  if (flags) {
3725  CreateMaskFromColorKeyOrAlpha(icon, mask, flags);
3726  }
3727  _this->SetIcon(_this, icon, mask);
3728  SDL_free(mask);
3729  } else {
3730  _this->SetIcon(_this, icon, mask);
3731  }
3732  }
3733 }
3734 #endif
3735 
3736 SDL_bool
3738 {
3739  CHECK_WINDOW_MAGIC(window, SDL_FALSE);
3740 
3741  if (!info) {
3742  SDL_InvalidParamError("info");
3743  return SDL_FALSE;
3744  }
3745  info->subsystem = SDL_SYSWM_UNKNOWN;
3746 
3747  if (!_this->GetWindowWMInfo) {
3748  SDL_Unsupported();
3749  return SDL_FALSE;
3750  }
3751  return (_this->GetWindowWMInfo(_this, window, info));
3752 }
3753 
3754 void
3756 {
3757  SDL_Window *window;
3758 
3759  /* First, enable text events */
3762 
3763  /* Then show the on-screen keyboard, if any */
3764  window = SDL_GetFocusWindow();
3765  if (window && _this && _this->ShowScreenKeyboard) {
3766  _this->ShowScreenKeyboard(_this, window);
3767  }
3768 
3769  /* Finally start the text input system */
3770  if (_this && _this->StartTextInput) {
3771  _this->StartTextInput(_this);
3772  }
3773 }
3774 
3775 SDL_bool
3777 {
3779 }
3780 
3781 void
3783 {
3784  SDL_Window *window;
3785 
3786  /* Stop the text input system */
3787  if (_this && _this->StopTextInput) {
3788  _this->StopTextInput(_this);
3789  }
3790 
3791  /* Hide the on-screen keyboard, if any */
3792  window = SDL_GetFocusWindow();
3793  if (window && _this && _this->HideScreenKeyboard) {
3794  _this->HideScreenKeyboard(_this, window);
3795  }
3796 
3797  /* Finally disable text events */
3800 }
3801 
3802 void
3804 {
3805  if (_this && _this->SetTextInputRect) {
3806  _this->SetTextInputRect(_this, rect);
3807  }
3808 }
3809 
3810 SDL_bool
3812 {
3813  if (_this && _this->HasScreenKeyboardSupport) {
3814  return _this->HasScreenKeyboardSupport(_this);
3815  }
3816  return SDL_FALSE;
3817 }
3818 
3819 SDL_bool
3821 {
3822  if (window && _this && _this->IsScreenKeyboardShown) {
3823  return _this->IsScreenKeyboardShown(_this, window);
3824  }
3825  return SDL_FALSE;
3826 }
3827 
3828 #if SDL_VIDEO_DRIVER_ANDROID
3830 #endif
3831 #if SDL_VIDEO_DRIVER_WINDOWS
3833 #endif
3834 #if SDL_VIDEO_DRIVER_WINRT
3835 #include "winrt/SDL_winrtmessagebox.h"
3836 #endif
3837 #if SDL_VIDEO_DRIVER_COCOA
3838 #include "cocoa/SDL_cocoamessagebox.h"
3839 #endif
3840 #if SDL_VIDEO_DRIVER_UIKIT
3841 #include "uikit/SDL_uikitmessagebox.h"
3842 #endif
3843 #if SDL_VIDEO_DRIVER_X11
3844 #include "x11/SDL_x11messagebox.h"
3845 #endif
3846 
3847 
3848 #if SDL_VIDEO_DRIVER_WINDOWS || SDL_VIDEO_DRIVER_WINRT || SDL_VIDEO_DRIVER_COCOA || SDL_VIDEO_DRIVER_UIKIT || SDL_VIDEO_DRIVER_X11
3850 {
3851  SDL_SysWMinfo info;
3852  SDL_Window *window = messageboxdata->window;
3853 
3854  if (!window) {
3855  return SDL_TRUE;
3856  }
3857 
3858  SDL_VERSION(&info.version);
3859  if (!SDL_GetWindowWMInfo(window, &info)) {
3860  return SDL_TRUE;
3861  } else {
3862  return (info.subsystem == drivertype);
3863  }
3864 }
3865 #endif
3866 
3867 int
3868 SDL_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
3869 {
3870  int dummybutton;
3871  int retval = -1;
3872  SDL_bool relative_mode;
3873  int show_cursor_prev;
3874  SDL_bool mouse_captured;
3875  SDL_Window *current_window;
3876 
3877  if (!messageboxdata) {
3878  return SDL_InvalidParamError("messageboxdata");
3879  } else if (messageboxdata->numbuttons < 0) {
3880  return SDL_SetError("Invalid number of buttons");
3881  }
3882 
3883  current_window = SDL_GetKeyboardFocus();
3884  mouse_captured = current_window && ((SDL_GetWindowFlags(current_window) & SDL_WINDOW_MOUSE_CAPTURE) != 0);
3885  relative_mode = SDL_GetRelativeMouseMode();
3888  show_cursor_prev = SDL_ShowCursor(1);
3890 
3891  if (!buttonid) {
3892  buttonid = &dummybutton;
3893  }
3894 
3895  if (_this && _this->ShowMessageBox) {
3896  retval = _this->ShowMessageBox(_this, messageboxdata, buttonid);
3897  }
3898 
3899  /* It's completely fine to call this function before video is initialized */
3900 #if SDL_VIDEO_DRIVER_ANDROID
3901  if (retval == -1 &&
3902  Android_ShowMessageBox(messageboxdata, buttonid) == 0) {
3903  retval = 0;
3904  }
3905 #endif
3906 #if SDL_VIDEO_DRIVER_WINDOWS
3907  if (retval == -1 &&
3909  WIN_ShowMessageBox(messageboxdata, buttonid) == 0) {
3910  retval = 0;
3911  }
3912 #endif
3913 #if SDL_VIDEO_DRIVER_WINRT
3914  if (retval == -1 &&
3915  SDL_MessageboxValidForDriver(messageboxdata, SDL_SYSWM_WINRT) &&
3916  WINRT_ShowMessageBox(messageboxdata, buttonid) == 0) {
3917  retval = 0;
3918  }
3919 #endif
3920 #if SDL_VIDEO_DRIVER_COCOA
3921  if (retval == -1 &&
3922  SDL_MessageboxValidForDriver(messageboxdata, SDL_SYSWM_COCOA) &&
3923  Cocoa_ShowMessageBox(messageboxdata, buttonid) == 0) {
3924  retval = 0;
3925  }
3926 #endif
3927 #if SDL_VIDEO_DRIVER_UIKIT
3928  if (retval == -1 &&
3929  SDL_MessageboxValidForDriver(messageboxdata, SDL_SYSWM_UIKIT) &&
3930  UIKit_ShowMessageBox(messageboxdata, buttonid) == 0) {
3931  retval = 0;
3932  }
3933 #endif
3934 #if SDL_VIDEO_DRIVER_X11
3935  if (retval == -1 &&
3936  SDL_MessageboxValidForDriver(messageboxdata, SDL_SYSWM_X11) &&
3937  X11_ShowMessageBox(messageboxdata, buttonid) == 0) {
3938  retval = 0;
3939  }
3940 #endif
3941  if (retval == -1) {
3942  SDL_SetError("No message system available");
3943  }
3944 
3945  if (current_window) {
3946  SDL_RaiseWindow(current_window);
3947  if (mouse_captured) {
3949  }
3950  }
3951 
3952  SDL_ShowCursor(show_cursor_prev);
3953  SDL_SetRelativeMouseMode(relative_mode);
3954 
3955  return retval;
3956 }
3957 
3958 int
3959 SDL_ShowSimpleMessageBox(Uint32 flags, const char *title, const char *message, SDL_Window *window)
3960 {
3961 #ifdef __EMSCRIPTEN__
3962  /* !!! FIXME: propose a browser API for this, get this #ifdef out of here? */
3963  /* Web browsers don't (currently) have an API for a custom message box
3964  that can block, but for the most common case (SDL_ShowSimpleMessageBox),
3965  we can use the standard Javascript alert() function. */
3966  EM_ASM_({
3967  alert(UTF8ToString($0) + "\n\n" + UTF8ToString($1));
3968  }, title, message);
3969  return 0;
3970 #else
3973 
3974  SDL_zero(data);
3975  data.flags = flags;
3976  data.title = title;
3977  data.message = message;
3978  data.numbuttons = 1;
3979  data.buttons = &button;
3980  data.window = window;
3981 
3982  SDL_zero(button);
3985  button.text = "OK";
3986 
3987  return SDL_ShowMessageBox(&data, NULL);
3988 #endif
3989 }
3990 
3991 SDL_bool
3993 {
3995 }
3996 
3997 int
3999 {
4000  CHECK_WINDOW_MAGIC(window, -1);
4001 
4002  if (!_this->SetWindowHitTest) {
4003  return SDL_Unsupported();
4004  } else if (_this->SetWindowHitTest(window, callback != NULL) == -1) {
4005  return -1;
4006  }
4007 
4008  window->hit_test = callback;
4009  window->hit_test_data = userdata;
4010 
4011  return 0;
4012 }
4013 
4014 float
4015 SDL_ComputeDiagonalDPI(int hpix, int vpix, float hinches, float vinches)
4016 {
4017  float den2 = hinches * hinches + vinches * vinches;
4018  if (den2 <= 0.0f) {
4019  return 0.0f;
4020  }
4021 
4022  return (float)(SDL_sqrt((double)hpix * (double)hpix + (double)vpix * (double)vpix) /
4023  SDL_sqrt((double)den2));
4024 }
4025 
4026 /*
4027  * Functions used by iOS application delegates
4028  */
4030 {
4032 }
4033 
4035 {
4037 }
4038 
4040 {
4041  if (_this) {
4042  SDL_Window *window;
4043  for (window = _this->windows; window != NULL; window = window->next) {
4046  }
4047  }
4049 }
4050 
4052 {
4054 }
4055 
4057 {
4059 }
4060 
4062 {
4064 
4065  if (_this) {
4066  SDL_Window *window;
4067  for (window = _this->windows; window != NULL; window = window->next) {
4070  }
4071  }
4072 }
4073 
4074 #define NOT_A_VULKAN_WINDOW "The specified window isn't a Vulkan window"
4075 
4077 {
4078  int retval;
4079  if (!_this) {
4081  return -1;
4082  }
4083  if (_this->vulkan_config.loader_loaded) {
4084  if (path && SDL_strcmp(path, _this->vulkan_config.loader_path) != 0) {
4085  return SDL_SetError("Vulkan loader library already loaded");
4086  }
4087  retval = 0;
4088  } else {
4089  if (!_this->Vulkan_LoadLibrary) {
4090  return SDL_SetError("Vulkan support is either not configured in SDL "
4091  "or not available in current SDL video driver "
4092  "(%s) or platform", _this->name);
4093  }
4094  retval = _this->Vulkan_LoadLibrary(_this, path);
4095  }
4096  if (retval == 0) {
4097  _this->vulkan_config.loader_loaded++;
4098  }
4099  return retval;
4100 }
4101 
4103 {
4104  if (!_this) {
4106  return NULL;
4107  }
4108  if (!_this->vulkan_config.loader_loaded) {
4109  SDL_SetError("No Vulkan loader has been loaded");
4110  return NULL;
4111  }
4112  return _this->vulkan_config.vkGetInstanceProcAddr;
4113 }
4114 
4116 {
4117  if (!_this) {
4119  return;
4120  }
4121  if (_this->vulkan_config.loader_loaded > 0) {
4122  if (--_this->vulkan_config.loader_loaded > 0) {
4123  return;
4124  }
4125  if (_this->Vulkan_UnloadLibrary) {
4126  _this->Vulkan_UnloadLibrary(_this);
4127  }
4128  }
4129 }
4130 
4132 {
4133  if (window) {
4134  CHECK_WINDOW_MAGIC(window, SDL_FALSE);
4135 
4136  if (!(window->flags & SDL_WINDOW_VULKAN))
4137  {
4139  return SDL_FALSE;
4140  }
4141  }
4142 
4143  if (!count) {
4144  SDL_InvalidParamError("count");
4145  return SDL_FALSE;
4146  }
4147 
4148  return _this->Vulkan_GetInstanceExtensions(_this, window, count, names);
4149 }
4150 
4152  VkInstance instance,
4153  VkSurfaceKHR *surface)
4154 {
4155  CHECK_WINDOW_MAGIC(window, SDL_FALSE);
4156 
4157  if (!(window->flags & SDL_WINDOW_VULKAN)) {
4159  return SDL_FALSE;
4160  }
4161 
4162  if (!instance) {
4163  SDL_InvalidParamError("instance");
4164  return SDL_FALSE;
4165  }
4166 
4167  if (!surface) {
4168  SDL_InvalidParamError("surface");
4169  return SDL_FALSE;
4170  }
4171 
4172  return _this->Vulkan_CreateSurface(_this, window, instance, surface);
4173 }
4174 
4175 void SDL_Vulkan_GetDrawableSize(SDL_Window * window, int *w, int *h)
4176 {
4177  CHECK_WINDOW_MAGIC(window,);
4178 
4179  if (_this->Vulkan_GetDrawableSize) {
4180  _this->Vulkan_GetDrawableSize(_this, window, w, h);
4181  } else {
4182  SDL_GetWindowSize(window, w, h);
4183  }
4184 }
4185 
4186 /* vi: set ts=4 sw=4 expandtab: */
#define SDL_CreateTexture
#define SDL_TLSSet
#define SDL_WINDOWPOS_ISUNDEFINED(X)
Definition: SDL_video.h:131
int(* Vulkan_LoadLibrary)(_THIS, const char *path)
Definition: SDL_sysvideo.h:271
SDL_Window * next
Definition: SDL_sysvideo.h:114
static int SDL_GetNumDisplayModesForDisplay(SDL_VideoDisplay *display)
Definition: SDL_video.c:787
#define GL_STENCIL_BITS
Definition: SDL_opengl.h:474
void SDL_GL_ResetAttributes()
Reset all previously set OpenGL context attributes to their default values.
Definition: SDL_video.c:3069
SDL_Window * SDL_GetFocusWindow(void)
Definition: SDL_video.c:2696
const char * name
Definition: SDL_sysvideo.h:152
const char * message
#define SDL_RenderSetViewport
void * SDL_GetWindowData(SDL_Window *window, const char *name)
Retrieve the data pointer associated with a window.
Definition: SDL_video.c:1843
void SDL_OnWindowShown(SDL_Window *window)
Definition: SDL_video.c:2582
int(* GetDisplayDPI)(_THIS, SDL_VideoDisplay *display, float *ddpi, float *hdpi, float *vdpi)
Definition: SDL_sysvideo.h:192
#define SDL_INIT_EVENTS
Definition: SDL.h:83
#define SDL_ConvertSurfaceFormat
#define GL_INVALID_ENUM
Definition: SDL_opengl.h:720
void SDL_OnWindowLeave(SDL_Window *window)
Definition: SDL_video.c:2631
#define GL_SAMPLE_BUFFERS
Definition: SDL_opengl.h:1839
int SDL_GetNumVideoDrivers(void)
Get the number of video drivers compiled into SDL.
Definition: SDL_video.c:443
SDL_Mouse * SDL_GetMouse(void)
Definition: SDL_mouse.c:178
void SDL_OnWindowFocusGained(SDL_Window *window)
Definition: SDL_video.c:2636
VideoBootStrap X11_bootstrap
void(* RestoreWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:228
#define GL_BACK_LEFT
Definition: SDL_opengl.h:499
#define SDL_min(x, y)
Definition: SDL_stdinc.h:406
#define SDL_qsort
SDL_Texture * button
const char * SDL_GetWindowTitle(SDL_Window *window)
Get the title of a window, in UTF-8 format.
Definition: SDL_video.c:1766
void SDL_SetWindowSize(SDL_Window *window, int w, int h)
Set the size of a window&#39;s client area.
Definition: SDL_video.c:1986
void SDL_SetKeyboardFocus(SDL_Window *window)
Definition: SDL_keyboard.c:630
SDL_DisplayMode fullscreen_mode
Definition: SDL_sysvideo.h:89
#define GL_DOUBLEBUFFER
Definition: SDL_opengl.h:521
void SDL_GL_GetDrawableSize(SDL_Window *window, int *w, int *h)
Get the size of a window&#39;s underlying drawable in pixels (for use with glViewport).
Definition: SDL_video.c:3566
GLdouble GLdouble right
#define GL_VENDOR
Definition: SDL_opengl.h:713
int(* SetWindowHitTest)(SDL_Window *window, SDL_bool enabled)
Definition: SDL_sysvideo.h:306
const char * title
SDL_Window * window
#define SDL_PIXELLAYOUT(X)
Definition: SDL_pixels.h:126
void SDL_OnApplicationDidReceiveMemoryWarning(void)
Definition: SDL_video.c:4034
void * hit_test_data
Definition: SDL_sysvideo.h:107
GLint GLint GLint GLint GLint x
Definition: SDL_opengl.h:1574
VideoBootStrap KMSDRM_bootstrap
GLuint GLsizei const GLchar * message
void SDL_VideoQuit(void)
Shuts down the video subsystem.
Definition: SDL_video.c:2828
#define FULLSCREEN_VISIBLE(W)
Definition: SDL_sysvideo.h:116
GLuint GLuint * names
Uint8 BytesPerPixel
Definition: SDL_pixels.h:320
SDL_bool(* IsScreenKeyboardShown)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:295
SDL_bool SDL_IsScreenKeyboardShown(SDL_Window *window)
Returns whether the screen keyboard is shown for given window.
Definition: SDL_video.c:3820
void SDL_OnApplicationWillEnterForeground(void)
Definition: SDL_video.c:4056
int SDL_GetDisplayMode(int displayIndex, int index, SDL_DisplayMode *mode)
Fill in information about a specific display mode.
Definition: SDL_video.c:806
const void * magic
Definition: SDL_sysvideo.h:75
GLuint GLuint GLsizei count
Definition: SDL_opengl.h:1571
SDL_Texture * texture
Definition: SDL_video.c:159
SDL_Rect rect
Definition: testrelative.c:27
void SDL_ShowWindow(SDL_Window *window)
Show a window.
Definition: SDL_video.c:2153
SDL_TLSID current_glwin_tls
Definition: SDL_sysvideo.h:365
VideoBootStrap Wayland_bootstrap
static int available()
Definition: video.c:356
#define NOT_A_VULKAN_WINDOW
Definition: SDL_video.c:4074
#define SDL_GetNumRenderDrivers
SDL_SYSWM_TYPE
Definition: SDL_syswm.h:119
void(* free)(_THIS)
Definition: SDL_sysvideo.h:394
int SDL_GL_SetSwapInterval(int interval)
Set the swap interval for the current OpenGL context.
Definition: SDL_video.c:3578
#define SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS
Minimize your SDL_Window if it loses key focus when in fullscreen mode. Defaults to true...
Definition: SDL_hints.h:332
GLfloat GLfloat GLfloat GLfloat h
#define SDL_HINT_VIDEO_ALLOW_SCREENSAVER
A variable controlling whether the screensaver is enabled.
Definition: SDL_hints.h:165
static void SDL_RestoreMousePosition(SDL_Window *window)
Definition: SDL_video.c:1168
int SDL_UpdateWindowSurfaceRects(SDL_Window *window, const SDL_Rect *rects, int numrects)
Copy a number of rectangles on the window surface to the screen.
Definition: SDL_video.c:2342
#define SDL_QuitSubSystem
#define SDL_HINT_VIDEO_HIGHDPI_DISABLED
If set to 1, then do not allow high-DPI windows. ("Retina" on Mac and iOS)
Definition: SDL_hints.h:652
struct xkb_state * state
#define APIENTRY
Definition: SDL_opengl.h:139
EGLSurface surface
Definition: eglext.h:248
#define GL_RED_BITS
Definition: SDL_opengl.h:513
int SDL_GL_LoadLibrary(const char *path)
Dynamically load an OpenGL library.
Definition: SDL_video.c:2878
The structure that defines a point (integer)
Definition: SDL_rect.h:48
int GLint
Definition: SDL_opengl.h:182
A collection of pixels used in software blitting.
Definition: SDL_surface.h:70
int(* GL_SetSwapInterval)(_THIS, int interval)
Definition: SDL_sysvideo.h:261
#define GL_CONTEXT_RELEASE_BEHAVIOR
SDL_bool SDL_IsScreenSaverEnabled()
Returns whether the screensaver is currently enabled (default off).
Definition: SDL_video.c:2789
void SDL_GetWindowPosition(SDL_Window *window, int *x, int *y)
Get the position of a window.
Definition: SDL_video.c:1908
void SDL_SetWindowTitle(SDL_Window *window, const char *title)
Set the title of a window, in UTF-8 format.
Definition: SDL_video.c:1749
void SDL_GL_DeleteContext(SDL_GLContext context)
Delete an OpenGL context.
Definition: SDL_video.c:3624
#define GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE
void(* ShowWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:223
#define SDL_DONTFREE
Definition: SDL_surface.h:55
Uint32 texture_formats[16]
Definition: SDL_render.h:83
static screen_context_t context
Definition: video.c:25
The structure that defines a display mode.
Definition: SDL_video.h:53
#define SDL_GetHint
int SDL_SetWindowInputFocus(SDL_Window *window)
Explicitly sets input focus to the window.
Definition: SDL_video.c:2428
SDL_version version
Definition: SDL_syswm.h:199
VideoBootStrap DirectFB_bootstrap
#define SDL_itoa
void SDL_SetWindowGrab(SDL_Window *window, SDL_bool grabbed)
Set a window&#39;s input grab mode.
Definition: SDL_video.c:2551
uint16_t Uint16
Definition: SDL_stdinc.h:191
#define SDL_ENABLE
Definition: SDL_events.h:759
#define SDL_WINDOWPOS_ISCENTERED(X)
Definition: SDL_video.h:140
SDL_HitTestResult(* SDL_HitTest)(SDL_Window *win, const SDL_Point *area, void *data)
Callback used for hit-testing.
Definition: SDL_video.h:1039
void(* StartTextInput)(_THIS)
Definition: SDL_sysvideo.h:287
GLbyte green
void SDL_OnWindowMinimized(SDL_Window *window)
Definition: SDL_video.c:2601
GLint GLint bottom
void(* SetWindowSize)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:216
GLfloat f
#define SDL_BYTESPERPIXEL(X)
Definition: SDL_pixels.h:128
#define SDL_InitSubSystem
#define GL_EXTENSIONS
Definition: SDL_opengl.h:716
SDL_Window * SDL_GetWindowFromID(Uint32 id)
Get a window from a stored ID, or NULL if it doesn&#39;t exist.
Definition: SDL_video.c:1725
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
GLuint start
Definition: SDL_opengl.h:1571
SDL_bool is_destroying
Definition: SDL_sysvideo.h:101
#define GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE
int(* GetWindowBordersSize)(_THIS, SDL_Window *window, int *top, int *left, int *bottom, int *right)
Definition: SDL_sysvideo.h:219
SDL_SYSWM_TYPE subsystem
Definition: SDL_syswm.h:200
void SDL_GL_DeduceMaxSupportedESProfile(int *major, int *minor)
Definition: SDL_video.c:3044
void SDL_SetWindowMinimumSize(SDL_Window *window, int min_w, int min_h)
Set the minimum size of a window&#39;s client area.
Definition: SDL_video.c:2068
#define GL_SAMPLES
Definition: SDL_opengl.h:1840
#define GL_DEPTH_BITS
Definition: SDL_opengl.h:328
int SDL_SetWindowBrightness(SDL_Window *window, float brightness)
Set the brightness (gamma correction) for a window.
Definition: SDL_video.c:2355
int SDL_SendWindowEvent(SDL_Window *window, Uint8 windowevent, int data1, int data2)
#define SDL_SetRelativeMouseMode
float SDL_GetWindowBrightness(SDL_Window *window)
Get the brightness (gamma correction) for a window.
Definition: SDL_video.c:2371
int SDL_GetWindowOpacity(SDL_Window *window, float *out_opacity)
Get the opacity of a window.
Definition: SDL_video.c:2403
#define SDL_ISPIXELFORMAT_ALPHA(format)
Definition: SDL_pixels.h:154
VideoBootStrap Emscripten_bootstrap
SDL_bool is_dummy
Definition: SDL_sysvideo.h:313
void SDL_SetMouseFocus(SDL_Window *window)
Definition: SDL_mouse.c:211
int SDL_SetWindowHitTest(SDL_Window *window, SDL_HitTest callback, void *userdata)
Provide a callback that decides if a window region has special properties.
Definition: SDL_video.c:3998
int SDL_KeyboardInit(void)
Definition: SDL_keyboard.c:562
Uint16 * saved_gamma
Definition: SDL_sysvideo.h:95
void SDL_HideWindow(SDL_Window *window)
Hide a window.
Definition: SDL_video.c:2168
#define SDL_GetKeyboardFocus
#define GL_VERSION
Definition: SDL_opengl.h:715
#define SDL_InvalidParamError(param)
Definition: SDL_error.h:54
#define SDL_realloc
#define SDL_strcasecmp
#define GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE
GLenum src
const char * name
Definition: SDL_render.h:80
#define GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE
#define SDL_strncasecmp
GLdouble GLdouble GLdouble GLdouble top
VideoBootStrap NACL_bootstrap
struct SDL_VideoDevice::@263 vulkan_config
#define SDL_GetRenderDriverInfo
void SDL_MouseQuit(void)
Definition: SDL_mouse.c:665
SDL_Surface * SDL_GetWindowSurface(SDL_Window *window)
Get the SDL surface associated with the window.
Definition: SDL_video.c:2309
SDL_Rect windowed
Definition: SDL_sysvideo.h:87
SDL_Window * SDL_CreateWindowFrom(const void *data)
Create an SDL window from an existing native window.
Definition: SDL_video.c:1573
void SDL_MinimizeWindow(SDL_Window *window)
Minimize a window to an iconic representation.
Definition: SDL_video.c:2225
SDL_GLContext SDL_GL_CreateContext(SDL_Window *window)
Create an OpenGL context for use with an OpenGL window, and make it current.
Definition: SDL_video.c:3493
#define SDL_max(x, y)
Definition: SDL_stdinc.h:407
#define SDL_CreateRGBSurfaceFrom
#define SDL_UpdateTexture
#define GL_ACCUM_ALPHA_BITS
Definition: SDL_opengl.h:383
int(* GL_LoadLibrary)(_THIS, const char *path)
Definition: SDL_sysvideo.h:255
SDL_DisplayMode * SDL_GetClosestDisplayMode(int displayIndex, const SDL_DisplayMode *mode, SDL_DisplayMode *closest)
Get the closest match to the requested display mode.
Definition: SDL_video.c:959
int SDL_GetDesktopDisplayMode(int displayIndex, SDL_DisplayMode *mode)
Fill in information about the desktop display mode.
Definition: SDL_video.c:824
#define GL_FRAMEBUFFER
GLuint const GLchar * name
VideoBootStrap HAIKU_bootstrap
int SDL_GL_GetSwapInterval(void)
Get the swap interval for the current OpenGL context.
Definition: SDL_video.c:3592
int(* SetDisplayMode)(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *mode)
Definition: SDL_sysvideo.h:205
int SDL_MouseInit(void)
Definition: SDL_mouse.c:135
void SDL_RaiseWindow(SDL_Window *window)
Raise a window above other windows and set the input focus.
Definition: SDL_video.c:2187
#define SDL_strchr
Uint32 flags
Definition: SDL_surface.h:72
#define SDL_GetHintBoolean
void(* SetWindowBordered)(_THIS, SDL_Window *window, SDL_bool bordered)
Definition: SDL_sysvideo.h:229
void(* GL_GetDrawableSize)(_THIS, SDL_Window *window, int *w, int *h)
Definition: SDL_sysvideo.h:260
Individual button data.
const GLubyte GLuint red
Definition: SDL_glfuncs.h:79
void SDL_ToggleDragAndDropSupport(void)
Definition: SDL_video.c:1371
#define SDL_VERSION(x)
Macro to determine SDL version program was compiled against.
Definition: SDL_version.h:79
#define GL_NO_ERROR
Definition: SDL_opengl.h:719
Uint32 SDL_GetWindowFlags(SDL_Window *window)
Get the window flags.
Definition: SDL_video.c:1741
static SDL_VideoDevice * _this
Definition: SDL_video.c:118
static SDL_INLINE SDL_bool IsAcceptingDragAndDrop(void)
Definition: SDL_video.c:1351
int SDL_SetWindowOpacity(SDL_Window *window, float opacity)
Set the opacity for a window.
Definition: SDL_video.c:2379
SDL_GLattr
OpenGL configuration attributes.
Definition: SDL_video.h:198
GLint GLint GLsizei GLsizei GLsizei GLint GLenum format
Definition: SDL_opengl.h:1572
char loader_path[256]
Definition: SDL_sysvideo.h:375
void SDL_OnApplicationWillTerminate(void)
Definition: SDL_video.c:4029
void(* HideWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:224
int x
Definition: SDL_rect.h:50
#define SDL_RenderCopy
#define CREATE_FLAGS
Definition: SDL_video.c:1347
#define GL_BLUE_BITS
Definition: SDL_opengl.h:515
void SDL_OnWindowRestored(SDL_Window *window)
Definition: SDL_video.c:2607
#define GL_NUM_EXTENSIONS
const char * SDL_GetCurrentVideoDriver()
Returns the name of the currently initialized video driver.
Definition: SDL_video.c:573
SDL_DisplayOrientation
Definition: SDL_video.h:181
const char * SDL_GetVideoDriver(int index)
Get the name of a built in video driver.
Definition: SDL_video.c:449
SDL_bool retval
void(* RaiseWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:225
struct SDL_WindowUserData * next
Definition: SDL_sysvideo.h:69
SDL_VideoDisplay * SDL_GetDisplay(int displayIndex)
Definition: SDL_video.c:1021
static SDL_INLINE SDL_bool isAtLeastGL3(const char *verstr)
Definition: SDL_video.c:2947
#define SDL_GetRelativeMouseMode
int SDL_GetWindowDisplayMode(SDL_Window *window, SDL_DisplayMode *mode)
Fill in information about the display mode used when a fullscreen window is visible.
Definition: SDL_video.c:1120
void(* SetTextInputRect)(_THIS, SDL_Rect *rect)
Definition: SDL_sysvideo.h:289
SDL_VideoDevice * device
Definition: SDL_sysvideo.h:137
#define SDL_memcpy
float opacity
Definition: SDL_sysvideo.h:91
SDL_bool Android_JNI_ShouldMinimizeOnFocusLoss(void)
SDL_bool(* Vulkan_GetInstanceExtensions)(_THIS, SDL_Window *window, unsigned *count, const char **names)
Definition: SDL_sysvideo.h:273
VideoBootStrap Android_bootstrap
VideoBootStrap VIVANTE_bootstrap
#define GL_STENCIL
Definition: SDL_opengl.h:526
const char * SDL_GetDisplayName(int displayIndex)
Get the name of a display in UTF-8 encoding.
Definition: SDL_video.c:665
SDL_bool SDL_ShouldAllowTopmost(void)
Definition: SDL_video.c:3992
void * SDL_GLContext
An opaque handle to an OpenGL context.
Definition: SDL_video.h:193
void * SDL_SetWindowData(SDL_Window *window, const char *name, void *userdata)
Associate an arbitrary named pointer with a window.
Definition: SDL_video.c:1796
VideoBootStrap WINRT_bootstrap
SDL_VideoDisplay * SDL_GetDisplayForWindow(SDL_Window *window)
Definition: SDL_video.c:1089
SDL_bool(* GetWindowWMInfo)(_THIS, SDL_Window *window, struct SDL_SysWMinfo *info)
Definition: SDL_sysvideo.h:248
static int SDL_UpdateWindowTexture(SDL_VideoDevice *unused, SDL_Window *window, const SDL_Rect *rects, int numrects)
Definition: SDL_video.c:366
SDL_GLContext current_glctx
Definition: SDL_sysvideo.h:364
int SDL_GetIndexOfDisplay(SDL_VideoDisplay *display)
Definition: SDL_video.c:642
SDL_GLContext(* GL_CreateContext)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:258
int SDL_SetWindowDisplayMode(SDL_Window *window, const SDL_DisplayMode *mode)
Set the display mode used when a fullscreen window is visible.
Definition: SDL_video.c:1100
#define SDL_GetEventState(type)
Definition: SDL_events.h:772
static int cmpmodes(const void *A, const void *B)
Definition: SDL_video.c:416
VideoBootStrap WINDOWS_bootstrap
void(* Vulkan_GetDrawableSize)(_THIS, SDL_Window *window, int *w, int *h)
Definition: SDL_sysvideo.h:275
int y
Definition: SDL_rect.h:51
SDL_bool(* Vulkan_CreateSurface)(_THIS, SDL_Window *window, VkInstance instance, VkSurfaceKHR *surface)
Definition: SDL_sysvideo.h:274
#define SDL_WINDOWTEXTUREDATA
Definition: SDL_video.c:155
void * pixels
Definition: SDL_surface.h:76
#define SDL_FreeSurface
static SDL_Renderer * renderer
static SDL_bool CanMinimizeWindow(SDL_Window *window)
Definition: SDL_video.c:2216
int(* GL_MakeCurrent)(_THIS, SDL_Window *window, SDL_GLContext context)
Definition: SDL_sysvideo.h:259
uint8_t Uint8
Definition: SDL_stdinc.h:179
#define SDL_free
void SDL_SetWindowMaximumSize(SDL_Window *window, int max_w, int max_h)
Set the maximum size of a window&#39;s client area.
Definition: SDL_video.c:2111
void SDL_OnApplicationDidEnterBackground(void)
Definition: SDL_video.c:4051
void SDL_OnWindowEnter(SDL_Window *window)
Definition: SDL_video.c:2623
#define GL_ALPHA_BITS
Definition: SDL_opengl.h:512
void * driverdata
Definition: SDL_video.h:59
SDL_Window * SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
Create a window with the specified position, dimensions, and flags.
Definition: SDL_video.c:1405
void SDL_DestroyWindow(SDL_Window *window)
Destroy a window.
Definition: SDL_video.c:2712
int SDL_GetDisplayUsableBounds(int displayIndex, SDL_Rect *rect)
Get the usable desktop area represented by a display, with the primary display located at 0...
Definition: SDL_video.c:700
SDL_bool relative_mode
Definition: SDL_mouse_c.h:87
void(* Vulkan_UnloadLibrary)(_THIS)
Definition: SDL_sysvideo.h:272
int SDL_GL_MakeCurrent(SDL_Window *window, SDL_GLContext ctx)
Set up an OpenGL context for rendering into an OpenGL window.
Definition: SDL_video.c:3516
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int int in j)
Definition: SDL_x11sym.h:50
void SDL_GL_UnloadLibrary(void)
Unload the OpenGL library previously loaded by SDL_GL_LoadLibrary().
Definition: SDL_video.c:2929
VideoBootStrap QNX_bootstrap
Definition: video.c:361
#define SDL_HINT_ALLOW_TOPMOST
If set to "0" then never set the top most bit on a SDL Window, even if the video mode expects it...
Definition: SDL_hints.h:588
char driver_path[256]
Definition: SDL_sysvideo.h:354
GLenum GLint GLuint mask
#define SDL_memcmp
SDL_DisplayMode * display_modes
Definition: SDL_sysvideo.h:130
SDL_bool SDL_GetWindowGrab(SDL_Window *window)
Get a window&#39;s input grab mode.
Definition: SDL_video.c:2567
void SDL_UpdateWindowGrab(SDL_Window *window)
Definition: SDL_video.c:2520
void(* SetWindowMinimumSize)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:217
Uint32 SDL_GetWindowPixelFormat(SDL_Window *window)
Get the pixel format associated with the window.
Definition: SDL_video.c:1157
SDL_DisplayMode current_mode
Definition: SDL_sysvideo.h:132
void SDL_Vulkan_GetDrawableSize(SDL_Window *window, int *w, int *h)
Get the size of a window&#39;s underlying drawable in pixels (for use with setting viewport, scissor & etc).
Definition: SDL_video.c:4175
GLenum mode
GLubyte GLubyte GLubyte GLubyte w
GLsizei const GLfloat * value
SDL_VideoDisplay * displays
Definition: SDL_sysvideo.h:316
int(* GetDisplayBounds)(_THIS, SDL_VideoDisplay *display, SDL_Rect *rect)
Definition: SDL_sysvideo.h:182
void(* DestroyWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:235
void(* StopTextInput)(_THIS)
Definition: SDL_sysvideo.h:288
#define SDL_TLSCreate
#define SDL_zero(x)
Definition: SDL_stdinc.h:416
void SDL_GetWindowSize(SDL_Window *window, int *w, int *h)
Get the size of a window&#39;s client area.
Definition: SDL_video.c:2034
static Uint32 callback(Uint32 interval, void *param)
Definition: testtimer.c:34
void SDL_OnApplicationDidBecomeActive(void)
Definition: SDL_video.c:4061
void(* SetWindowIcon)(_THIS, SDL_Window *window, SDL_Surface *icon)
Definition: SDL_sysvideo.h:214
Uint32 WINRT_DetectWindowFlags(SDL_Window *window)
int SDL_GetCurrentDisplayMode(int displayIndex, SDL_DisplayMode *mode)
Fill in information about the current display mode.
Definition: SDL_video.c:838
int SDL_SetWindowGammaRamp(SDL_Window *window, const Uint16 *red, const Uint16 *green, const Uint16 *blue)
Set the gamma ramp for a window.
Definition: SDL_video.c:2441
#define GL_DEPTH
Definition: SDL_opengl.h:525
char * title
Definition: SDL_sysvideo.h:77
GLint GLint GLint GLint GLint GLint y
Definition: SDL_opengl.h:1574
SDL_bool SDL_HasWindows(void)
Definition: SDL_video.c:1711
#define GL_ACCUM_RED_BITS
Definition: SDL_opengl.h:380
#define SDL_PixelFormatEnumToMasks
void SDL_StopTextInput(void)
Stop receiving any text input events. This function will hide the on-screen keyboard if supported...
Definition: SDL_video.c:3782
int x
Definition: SDL_rect.h:79
static int SDL_UpdateFullscreenMode(SDL_Window *window, SDL_bool fullscreen)
Definition: SDL_video.c:1183
SDL_bool SDL_AddDisplayMode(SDL_VideoDisplay *display, const SDL_DisplayMode *mode)
Definition: SDL_video.c:751
SDL_Window * windows
Definition: SDL_sysvideo.h:317
GLint GLint GLsizei GLsizei GLsizei GLint GLenum GLenum const GLvoid * pixels
Definition: SDL_opengl.h:1572
static SDL_bool SDL_MessageboxValidForDriver(const SDL_MessageBoxData *messageboxdata, SDL_SYSWM_TYPE drivertype)
Definition: SDL_video.c:3849
int SDL_GetDisplayBounds(int displayIndex, SDL_Rect *rect)
Get the desktop area represented by a display, with the primary display located at 0...
Definition: SDL_video.c:673
#define GL_INVALID_VALUE
Definition: SDL_opengl.h:721
static int SDL_CreateWindowTexture(SDL_VideoDevice *unused, SDL_Window *window, Uint32 *format, void **pixels, int *pitch)
Definition: SDL_video.c:256
int SDL_AddBasicVideoDisplay(const SDL_DisplayMode *desktop_mode)
Definition: SDL_video.c:589
int framebuffer_srgb_capable
Definition: SDL_sysvideo.h:350
unsigned char GLubyte
Definition: SDL_opengl.h:183
const SDL_MessageBoxButtonData * buttons
int w
Definition: SDL_rect.h:80
MessageBox structure containing title, text, window, etc.
#define GL_CONTEXT_RELEASE_BEHAVIOR_KHR
Definition: gl2ext.h:83
SDL_bool(* HasScreenKeyboardSupport)(_THIS)
Definition: SDL_sysvideo.h:292
void SDL_MaximizeWindow(SDL_Window *window)
Make a window as large as possible.
Definition: SDL_video.c:2200
static void SDL_DestroyWindowTexture(SDL_VideoDevice *unused, SDL_Window *window)
Definition: SDL_video.c:396
#define SDL_atoi
void SDL_OnApplicationWillResignActive(void)
Definition: SDL_video.c:4039
void SDL_KeyboardQuit(void)
Definition: SDL_keyboard.c:832
GLuint index
#define GL_ACCUM_GREEN_BITS
Definition: SDL_opengl.h:381
void SDL_RestoreWindow(SDL_Window *window)
Restore the size and position of a minimized or maximized window.
Definition: SDL_video.c:2245
void SDL_StartTextInput(void)
Start accepting Unicode text input events. This function will show the on-screen keyboard if supporte...
Definition: SDL_video.c:3755
static int SDL_SetDisplayModeForDisplay(SDL_VideoDisplay *display, const SDL_DisplayMode *mode)
Definition: SDL_video.c:972
VideoBootStrap PSP_bootstrap
float brightness
Definition: SDL_sysvideo.h:93
#define SDL_PIXELTYPE(X)
Definition: SDL_pixels.h:124
SDL_Window * fullscreen_window
Definition: SDL_sysvideo.h:135
#define SDL_getenv
void(* DestroyWindowFramebuffer)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:238
#define GL_STEREO
Definition: SDL_opengl.h:522
int SDL_GetNumVideoDisplays(void)
Returns the number of available video displays.
Definition: SDL_video.c:632
SDL_VideoDevice * SDL_GetVideoDevice(void)
Definition: SDL_video.c:583
#define SDL_TLSGet
void(* GL_UnloadLibrary)(_THIS)
Definition: SDL_sysvideo.h:257
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
int share_with_current_context
Definition: SDL_sysvideo.h:347
int SDL_GetDisplayDPI(int displayIndex, float *ddpi, float *hdpi, float *vdpi)
Get the dots/pixels-per-inch for a display.
Definition: SDL_video.c:720
#define SDL_assert(condition)
Definition: SDL_assert.h:169
void(* GetDisplayModes)(_THIS, SDL_VideoDisplay *display)
Definition: SDL_sysvideo.h:197
int(* ShowMessageBox)(_THIS, const SDL_MessageBoxData *messageboxdata, int *buttonid)
Definition: SDL_sysvideo.h:303
GLenum target
unsigned int GLenum
Definition: SDL_opengl.h:176
int SDL_AddVideoDisplay(const SDL_VideoDisplay *display)
Definition: SDL_video.c:603
#define SDL_DISABLE
Definition: SDL_events.h:758
void(* SetWindowMaximumSize)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:218
VideoBootStrap RPI_bootstrap
#define NULL
Definition: begin_code.h:167
int(* CreateSDLWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:211
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
SDL_bool
Definition: SDL_stdinc.h:161
SDL_DisplayMode desktop_mode
Definition: SDL_sysvideo.h:131
#define SDL_GetMouseFocus
SDL_HitTest hit_test
Definition: SDL_sysvideo.h:106
GLboolean enable
SDL_bool SDL_GetWindowWMInfo(SDL_Window *window, struct SDL_SysWMinfo *info)
This function allows access to driver-dependent window information.
Definition: SDL_video.c:3737
SDL_PixelFormat * format
Definition: SDL_surface.h:73
SDL_bool SDL_IsTextInputActive(void)
Return whether or not Unicode text input events are enabled.
Definition: SDL_video.c:3776
void * SDL_GetDisplayDriverData(int displayIndex)
Definition: SDL_video.c:657
void(* VideoQuit)(_THIS)
Definition: SDL_sysvideo.h:167
void SDL_SetWindowBordered(SDL_Window *window, SDL_bool bordered)
Set the border state of a window.
Definition: SDL_video.c:1950
Uint32 last_fullscreen_flags
Definition: SDL_sysvideo.h:84
int SDL_SetWindowModalFor(SDL_Window *modal_window, SDL_Window *parent_window)
Sets the window as a modal for another window (TODO: reconsider this function and/or its name) ...
Definition: SDL_video.c:2415
unsigned int GLuint
Definition: SDL_opengl.h:185
#define SDL_SetError
VideoBootStrap DUMMY_bootstrap
Information on the capabilities of a render driver or context.
Definition: SDL_render.h:78
void SDL_SetWindowResizable(SDL_Window *window, SDL_bool resizable)
Set the user-resizable state of a window.
Definition: SDL_video.c:1968
GLbitfield flags
GLenum func
#define SDL_calloc
void SDL_SetWindowIcon(SDL_Window *window, SDL_Surface *icon)
Set the icon for a window.
Definition: SDL_video.c:1774
SDL_Window * SDL_GetGrabbedWindow(void)
Get the window that currently has an input grab enabled.
Definition: SDL_video.c:2575
SDL_Surface * icon
Definition: SDL_sysvideo.h:78
int(* SetWindowOpacity)(_THIS, SDL_Window *window, float opacity)
Definition: SDL_sysvideo.h:220
SDL_bool SDL_Vulkan_CreateSurface(SDL_Window *window, VkInstance instance, VkSurfaceKHR *surface)
Create a Vulkan rendering surface for a window.
Definition: SDL_video.c:4151
float SDL_ComputeDiagonalDPI(int hpix, int vpix, float hinches, float vinches)
Definition: SDL_video.c:4015
static SDL_bool ShouldUseTextureFramebuffer()
Definition: SDL_video.c:166
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
#define SDL_DestroyTexture
void(* SetWindowPosition)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:215
SDL_Window * prev
Definition: SDL_sysvideo.h:113
void SDL_GetWindowMaximumSize(SDL_Window *window, int *max_w, int *max_h)
Get the maximum size of a window&#39;s client area.
Definition: SDL_video.c:2141
SDL_Renderer * renderer
Definition: SDL_video.c:158
#define GL_ACCUM_BLUE_BITS
Definition: SDL_opengl.h:382
int(* GL_SwapWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:263
#define SDL_strlen
int SDL_VideoInit(const char *driver_name)
Initialize the video subsystem, optionally specifying a video driver.
Definition: SDL_video.c:461
int h
Definition: SDL_rect.h:80
void(* ShowScreenKeyboard)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:293
#define SDL_strdup
SDL_TLSID current_glctx_tls
Definition: SDL_sysvideo.h:366
SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char const char SDL_SCANF_FORMAT_STRING const char return SDL_ThreadFunction const char void return Uint32 return Uint32 void
The type used to identify a window.
Definition: SDL_sysvideo.h:73
void SDL_Vulkan_UnloadLibrary(void)
Unload the Vulkan loader library previously loaded by SDL_Vulkan_LoadLibrary().
Definition: SDL_video.c:4115
GLbyte GLbyte blue
int(* GetWindowGammaRamp)(_THIS, SDL_Window *window, Uint16 *ramp)
Definition: SDL_sysvideo.h:233
SDL_DisplayOrientation SDL_GetDisplayOrientation(int displayIndex)
Get the orientation of a display.
Definition: SDL_video.c:740
#define SDL_EventState
void SDL_ResetKeyboard(void)
Definition: SDL_keyboard.c:572
#define SDL_HINT_FRAMEBUFFER_ACCELERATION
A variable controlling how 3D acceleration is used to accelerate the SDL screen surface.
Definition: SDL_hints.h:65
int SDL_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
Create a modal message box.
Definition: SDL_video.c:3868
static void SDL_FinishWindowCreation(SDL_Window *window, Uint32 flags)
Definition: SDL_video.c:1383
uint32_t Uint32
Definition: SDL_stdinc.h:203
void(* MinimizeWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:227
void SDL_TicksInit(void)
Uint32 id
Definition: SDL_sysvideo.h:76
SDL_VideoDevice *(* create)(int devindex)
Definition: SDL_sysvideo.h:402
#define SDL_CaptureMouse
GLenum attachment
VideoBootStrap PND_bootstrap
int SDL_GL_SetAttribute(SDL_GLattr attr, int value)
Set an OpenGL window attribute before window creation.
Definition: SDL_video.c:3123
SDL_GLContext SDL_GL_GetCurrentContext(void)
Get the currently active OpenGL context.
Definition: SDL_video.c:3557
VideoBootStrap COCOA_bootstrap
#define SDL_HINT_RENDER_DRIVER
A variable specifying which render driver to use.
Definition: SDL_hints.h:85
static int SDL_UninitializedVideo()
Definition: SDL_video.c:437
SDL_bool SDL_GL_ExtensionSupported(const char *extension)
Return true if an OpenGL extension is supported for the current context.
Definition: SDL_video.c:2954
PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr
Definition: SDL_sysvideo.h:372
#define SDL_sqrt
const GLfloat * params
int(* SetWindowInputFocus)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:222
static VideoBootStrap * bootstrap[]
Definition: SDL_video.c:60
const char * name
Definition: SDL_sysvideo.h:399
void * SDL_GL_GetProcAddress(const char *proc)
Get the address of an OpenGL function.
Definition: SDL_video.c:2907
Uint32 num_texture_formats
Definition: SDL_render.h:82
SDL_Window * grabbed_window
Definition: SDL_sysvideo.h:318
#define GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE
int(* VideoInit)(_THIS)
Definition: SDL_sysvideo.h:161
int SDL_UpdateWindowSurface(SDL_Window *window)
Copy the window surface to the screen.
Definition: SDL_video.c:2328
SDL_bool suspend_screensaver
Definition: SDL_sysvideo.h:314
int(* CreateSDLWindowFrom)(_THIS, SDL_Window *window, const void *data)
Definition: SDL_sysvideo.h:212
#define SDL_arraysize(array)
Definition: SDL_stdinc.h:115
static SDL_DisplayMode * SDL_GetClosestDisplayModeForDisplay(SDL_VideoDisplay *display, const SDL_DisplayMode *mode, SDL_DisplayMode *closest)
Definition: SDL_video.c:852
#define SDL_INLINE
Definition: begin_code.h:134
void(* SetWindowFullscreen)(_THIS, SDL_Window *window, SDL_VideoDisplay *display, SDL_bool fullscreen)
Definition: SDL_sysvideo.h:231
int SDL_GL_GetAttribute(SDL_GLattr attr, int *value)
Get the actual value for an attribute from the current context.
Definition: SDL_video.c:3244
void * SDL_Vulkan_GetVkGetInstanceProcAddr(void)
Get the address of the vkGetInstanceProcAddr function.
Definition: SDL_video.c:4102
void SDL_OnWindowHidden(SDL_Window *window)
Definition: SDL_video.c:2588
int(* SetWindowModalFor)(_THIS, SDL_Window *modal_window, SDL_Window *parent_window)
Definition: SDL_sysvideo.h:221
#define SDL_CalculateGammaRamp
#define SDL_malloc
int SDL_GetWindowGammaRamp(SDL_Window *window, Uint16 *red, Uint16 *green, Uint16 *blue)
Get the gamma ramp for a window.
Definition: SDL_video.c:2475
GLsizei const GLchar *const * path
VideoBootStrap UIKIT_bootstrap
#define SDL_WarpMouseInWindow
int(* UpdateWindowFramebuffer)(_THIS, SDL_Window *window, const SDL_Rect *rects, int numrects)
Definition: SDL_sysvideo.h:237
#define CHECK_DISPLAY_INDEX(displayIndex, retval)
Definition: SDL_video.c:131
void SDL_GL_SwapWindow(SDL_Window *window)
Swap the OpenGL buffers for a window, if double-buffering is supported.
Definition: SDL_video.c:3606
#define SDL_DestroyRenderer
#define SDL_EnclosePoints
static SDL_INLINE void PrepareDragAndDropSupport(SDL_Window *window)
Definition: SDL_video.c:1362
Uint16 * gamma
Definition: SDL_sysvideo.h:94
int SDL_RecreateWindow(SDL_Window *window, Uint32 flags)
Definition: SDL_video.c:1614
int SDL_SendAppEvent(SDL_EventType eventType)
Definition: SDL_events.c:965
#define SDL_strcmp
#define FULLSCREEN_MASK
Definition: SDL_video.c:144
void(* GL_DeleteContext)(_THIS, SDL_GLContext context)
Definition: SDL_sysvideo.h:264
#define SDL_ISPIXELFORMAT_FOURCC(format)
Definition: SDL_pixels.h:167
#define CHECK_WINDOW_MAGIC(window, retval)
Definition: SDL_video.c:120
void(* GL_DefaultProfileConfig)(_THIS, int *mask, int *major, int *minor)
Definition: SDL_sysvideo.h:265
Uint32 format
Definition: SDL_video.h:55
int SDL_ShowSimpleMessageBox(Uint32 flags, const char *title, const char *message, SDL_Window *window)
Create a simple modal message box.
Definition: SDL_video.c:3959
void(* SetWindowTitle)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:213
int SDL_Vulkan_LoadLibrary(const char *path)
Dynamically load a Vulkan loader library.
Definition: SDL_video.c:4076
EGLSurface EGLint * rects
Definition: eglext.h:282
void(* SetWindowResizable)(_THIS, SDL_Window *window, SDL_bool resizable)
Definition: SDL_sysvideo.h:230
int(* GetDisplayUsableBounds)(_THIS, SDL_VideoDisplay *display, SDL_Rect *rect)
Definition: SDL_sysvideo.h:187
int(* GL_GetSwapInterval)(_THIS)
Definition: SDL_sysvideo.h:262
#define GL_GREEN_BITS
Definition: SDL_opengl.h:514
void(* MaximizeWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:226
void SDL_OnWindowFocusLost(SDL_Window *window)
Definition: SDL_video.c:2680
int SDL_GetWindowDisplayIndex(SDL_Window *window)
Get the display index associated with a window.
Definition: SDL_video.c:1029
GLenum pname
#define SDL_ShowCursor
GLboolean GLboolean GLboolean GLboolean a
SDL_bool surface_valid
Definition: SDL_sysvideo.h:98
Uint32 flags
Definition: SDL_sysvideo.h:83
int(* SetWindowGammaRamp)(_THIS, SDL_Window *window, const Uint16 *ramp)
Definition: SDL_sysvideo.h:232
Uint32 next_object_id
Definition: SDL_sysvideo.h:320
SDL_Window * SDL_GL_GetCurrentWindow(void)
Get the currently active OpenGL window.
Definition: SDL_video.c:3547
void SDL_EnableScreenSaver()
Allow the screen to be blanked by a screensaver.
Definition: SDL_video.c:2798
SDL_Surface * surface
Definition: SDL_sysvideo.h:97
static SDL_bool ShouldMinimizeOnFocusLoss(SDL_Window *window)
Definition: SDL_video.c:2653
Uint32 SDL_GetWindowID(SDL_Window *window)
Get the numeric ID of a window, for logging purposes.
Definition: SDL_video.c:1717
void(* OnWindowEnter)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:239
void(* SuspendScreenSaver)(_THIS)
Definition: SDL_sysvideo.h:284
GLboolean GLboolean GLboolean b
SDL_bool SDL_HasScreenKeyboardSupport(void)
Returns whether the platform has some screen keyboard support.
Definition: SDL_video.c:3811
SDL_Window * current_glwin
Definition: SDL_sysvideo.h:363
void(* SetWindowGrab)(_THIS, SDL_Window *window, SDL_bool grabbed)
Definition: SDL_sysvideo.h:234
void SDL_TouchQuit(void)
Definition: SDL_touch.c:473
#define SDL_BITSPERPIXEL(X)
Definition: SDL_pixels.h:127
int y
Definition: SDL_rect.h:79
#define SDL_Unsupported()
Definition: SDL_error.h:53
#define SDL_GetMouseState
int(* CreateWindowFramebuffer)(_THIS, SDL_Window *window, Uint32 *format, void **pixels, int *pitch)
Definition: SDL_sysvideo.h:236
void *(* GL_GetProcAddress)(_THIS, const char *proc)
Definition: SDL_sysvideo.h:256
SDL_WindowUserData * data
Definition: SDL_sysvideo.h:109
void SDL_SetWindowPosition(SDL_Window *window, int x, int y)
Set the position of a window.
Definition: SDL_video.c:1864
#define SDL_CreateRenderer
void SDL_OnWindowResized(SDL_Window *window)
Definition: SDL_video.c:2594
#define SDL_memset
A rectangle, with the origin at the upper left (integer).
Definition: SDL_rect.h:77
int SDL_TouchInit(void)
Definition: SDL_touch.c:46
#define SDL_GetRendererInfo
SDL_bool SDL_GetSpanEnclosingRect(int width, int height, int numrects, const SDL_Rect *rects, SDL_Rect *span)
Definition: SDL_rect.c:469
#define SDL_strstr
#define SDL_RenderPresent
void SDL_DisableScreenSaver()
Prevent the screen from being blanked by a screensaver.
Definition: SDL_video.c:2813
char * clipboard_text
Definition: SDL_sysvideo.h:321
SDL_bool SDL_Vulkan_GetInstanceExtensions(SDL_Window *window, unsigned *count, const char **names)
Definition: SDL_video.c:4131
int SDL_SetWindowFullscreen(SDL_Window *window, Uint32 flags)
Set a window&#39;s fullscreen state.
Definition: SDL_video.c:2259
SDL_bool is_hiding
Definition: SDL_sysvideo.h:100
GLint left
void SDL_SetTextInputRect(SDL_Rect *rect)
Set the rectangle used to type Unicode text inputs. This is used as a hint for IME and on-screen keyb...
Definition: SDL_video.c:3803
SDL_DisplayOrientation orientation
Definition: SDL_sysvideo.h:133
int SDL_GetNumDisplayModes(int displayIndex)
Returns the number of available display modes.
Definition: SDL_video.c:798
static SDL_Surface * SDL_CreateWindowFramebuffer(SDL_Window *window)
Definition: SDL_video.c:2285
void(* HideScreenKeyboard)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:294
struct SDL_VideoDevice::@262 gl_config
void(* AcceptDragAndDrop)(SDL_Window *window, SDL_bool accept)
Definition: SDL_sysvideo.h:309
void SDL_GetWindowMinimumSize(SDL_Window *window, int *min_w, int *min_h)
Get the minimum size of a window&#39;s client area.
Definition: SDL_video.c:2099
int SDL_GetWindowBordersSize(SDL_Window *window, int *top, int *left, int *bottom, int *right)
Get the size of a window&#39;s borders (decorations) around the client area.
Definition: SDL_video.c:2046
#define GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE
EGLContext ctx
Definition: eglext.h:208