target-microblaze: Remove argument b in eval_cc()
[qemu/ar7.git] / ui / sdl2.c
bloba0f9b16bc1ec82ff291e22e9dbb92d51bc3cab1f
1 /*
2 * QEMU SDL display driver
4 * Copyright (c) 2003 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
24 /* Ported SDL 1.2 code to 2.0 by Dave Airlie. */
26 #include "qemu/osdep.h"
27 #include "qemu-common.h"
28 #include "ui/console.h"
29 #include "ui/input.h"
30 #include "ui/sdl2.h"
31 #include "sysemu/sysemu.h"
33 static int sdl2_num_outputs;
34 static struct sdl2_console *sdl2_console;
36 static SDL_Surface *guest_sprite_surface;
37 static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
39 static int gui_saved_grab;
40 static int gui_fullscreen;
41 static int gui_keysym;
42 static int gui_grab_code = KMOD_LALT | KMOD_LCTRL;
43 static SDL_Cursor *sdl_cursor_normal;
44 static SDL_Cursor *sdl_cursor_hidden;
45 static int absolute_enabled;
46 static int guest_cursor;
47 static int guest_x, guest_y;
48 static SDL_Cursor *guest_sprite;
49 static Notifier mouse_mode_notifier;
51 #define SDL2_REFRESH_INTERVAL_BUSY 10
52 #define SDL2_MAX_IDLE_COUNT (2 * GUI_REFRESH_INTERVAL_DEFAULT \
53 / SDL2_REFRESH_INTERVAL_BUSY + 1)
55 static void sdl_update_caption(struct sdl2_console *scon);
57 static struct sdl2_console *get_scon_from_window(uint32_t window_id)
59 int i;
60 for (i = 0; i < sdl2_num_outputs; i++) {
61 if (sdl2_console[i].real_window == SDL_GetWindowFromID(window_id)) {
62 return &sdl2_console[i];
65 return NULL;
68 void sdl2_window_create(struct sdl2_console *scon)
70 int flags = 0;
72 if (!scon->surface) {
73 return;
75 assert(!scon->real_window);
77 if (gui_fullscreen) {
78 flags |= SDL_WINDOW_FULLSCREEN_DESKTOP;
79 } else {
80 flags |= SDL_WINDOW_RESIZABLE;
82 if (scon->hidden) {
83 flags |= SDL_WINDOW_HIDDEN;
86 scon->real_window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED,
87 SDL_WINDOWPOS_UNDEFINED,
88 surface_width(scon->surface),
89 surface_height(scon->surface),
90 flags);
91 scon->real_renderer = SDL_CreateRenderer(scon->real_window, -1, 0);
92 if (scon->opengl) {
93 scon->winctx = SDL_GL_GetCurrentContext();
95 sdl_update_caption(scon);
98 void sdl2_window_destroy(struct sdl2_console *scon)
100 if (!scon->real_window) {
101 return;
104 SDL_DestroyRenderer(scon->real_renderer);
105 scon->real_renderer = NULL;
106 SDL_DestroyWindow(scon->real_window);
107 scon->real_window = NULL;
110 void sdl2_window_resize(struct sdl2_console *scon)
112 if (!scon->real_window) {
113 return;
116 SDL_SetWindowSize(scon->real_window,
117 surface_width(scon->surface),
118 surface_height(scon->surface));
121 static void sdl2_redraw(struct sdl2_console *scon)
123 if (scon->opengl) {
124 #ifdef CONFIG_OPENGL
125 sdl2_gl_redraw(scon);
126 #endif
127 } else {
128 sdl2_2d_redraw(scon);
132 static void sdl_update_caption(struct sdl2_console *scon)
134 char win_title[1024];
135 char icon_title[1024];
136 const char *status = "";
138 if (!runstate_is_running()) {
139 status = " [Stopped]";
140 } else if (gui_grab) {
141 if (alt_grab) {
142 status = " - Press Ctrl-Alt-Shift-G to exit grab";
143 } else if (ctrl_grab) {
144 status = " - Press Right-Ctrl-G to exit grab";
145 } else {
146 status = " - Press Ctrl-Alt-G to exit grab";
150 if (qemu_name) {
151 snprintf(win_title, sizeof(win_title), "QEMU (%s-%d)%s", qemu_name,
152 scon->idx, status);
153 snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name);
154 } else {
155 snprintf(win_title, sizeof(win_title), "QEMU%s", status);
156 snprintf(icon_title, sizeof(icon_title), "QEMU");
159 if (scon->real_window) {
160 SDL_SetWindowTitle(scon->real_window, win_title);
164 static void sdl_hide_cursor(void)
166 if (!cursor_hide) {
167 return;
170 SDL_ShowCursor(SDL_DISABLE);
171 SDL_SetCursor(sdl_cursor_hidden);
173 if (!qemu_input_is_absolute()) {
174 SDL_SetRelativeMouseMode(SDL_TRUE);
178 static void sdl_show_cursor(void)
180 if (!cursor_hide) {
181 return;
184 if (!qemu_input_is_absolute()) {
185 SDL_SetRelativeMouseMode(SDL_FALSE);
188 if (guest_cursor &&
189 (gui_grab || qemu_input_is_absolute() || absolute_enabled)) {
190 SDL_SetCursor(guest_sprite);
191 } else {
192 SDL_SetCursor(sdl_cursor_normal);
195 SDL_ShowCursor(SDL_ENABLE);
198 static void sdl_grab_start(struct sdl2_console *scon)
200 QemuConsole *con = scon ? scon->dcl.con : NULL;
202 if (!con || !qemu_console_is_graphic(con)) {
203 return;
206 * If the application is not active, do not try to enter grab state. This
207 * prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the
208 * application (SDL bug).
210 if (!(SDL_GetWindowFlags(scon->real_window) & SDL_WINDOW_INPUT_FOCUS)) {
211 return;
213 if (guest_cursor) {
214 SDL_SetCursor(guest_sprite);
215 if (!qemu_input_is_absolute() && !absolute_enabled) {
216 SDL_WarpMouseInWindow(scon->real_window, guest_x, guest_y);
218 } else {
219 sdl_hide_cursor();
221 SDL_SetWindowGrab(scon->real_window, SDL_TRUE);
222 gui_grab = 1;
223 sdl_update_caption(scon);
226 static void sdl_grab_end(struct sdl2_console *scon)
228 SDL_SetWindowGrab(scon->real_window, SDL_FALSE);
229 gui_grab = 0;
230 sdl_show_cursor();
231 sdl_update_caption(scon);
234 static void absolute_mouse_grab(struct sdl2_console *scon)
236 int mouse_x, mouse_y;
237 int scr_w, scr_h;
238 SDL_GetMouseState(&mouse_x, &mouse_y);
239 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h);
240 if (mouse_x > 0 && mouse_x < scr_w - 1 &&
241 mouse_y > 0 && mouse_y < scr_h - 1) {
242 sdl_grab_start(scon);
246 static void sdl_mouse_mode_change(Notifier *notify, void *data)
248 if (qemu_input_is_absolute()) {
249 if (!absolute_enabled) {
250 absolute_enabled = 1;
251 SDL_SetRelativeMouseMode(SDL_FALSE);
252 absolute_mouse_grab(&sdl2_console[0]);
254 } else if (absolute_enabled) {
255 if (!gui_fullscreen) {
256 sdl_grab_end(&sdl2_console[0]);
258 absolute_enabled = 0;
262 static void sdl_send_mouse_event(struct sdl2_console *scon, int dx, int dy,
263 int x, int y, int state)
265 static uint32_t bmap[INPUT_BUTTON__MAX] = {
266 [INPUT_BUTTON_LEFT] = SDL_BUTTON(SDL_BUTTON_LEFT),
267 [INPUT_BUTTON_MIDDLE] = SDL_BUTTON(SDL_BUTTON_MIDDLE),
268 [INPUT_BUTTON_RIGHT] = SDL_BUTTON(SDL_BUTTON_RIGHT),
270 static uint32_t prev_state;
272 if (prev_state != state) {
273 qemu_input_update_buttons(scon->dcl.con, bmap, prev_state, state);
274 prev_state = state;
277 if (qemu_input_is_absolute()) {
278 qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_X,
279 x, 0, surface_width(scon->surface));
280 qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_Y,
281 y, 0, surface_height(scon->surface));
282 } else {
283 if (guest_cursor) {
284 x -= guest_x;
285 y -= guest_y;
286 guest_x += x;
287 guest_y += y;
288 dx = x;
289 dy = y;
291 qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_X, dx);
292 qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_Y, dy);
294 qemu_input_event_sync();
297 static void toggle_full_screen(struct sdl2_console *scon)
299 gui_fullscreen = !gui_fullscreen;
300 if (gui_fullscreen) {
301 SDL_SetWindowFullscreen(scon->real_window,
302 SDL_WINDOW_FULLSCREEN_DESKTOP);
303 gui_saved_grab = gui_grab;
304 sdl_grab_start(scon);
305 } else {
306 if (!gui_saved_grab) {
307 sdl_grab_end(scon);
309 SDL_SetWindowFullscreen(scon->real_window, 0);
311 sdl2_redraw(scon);
314 static int get_mod_state(void)
316 SDL_Keymod mod = SDL_GetModState();
318 if (alt_grab) {
319 return (mod & (gui_grab_code | KMOD_LSHIFT)) ==
320 (gui_grab_code | KMOD_LSHIFT);
321 } else if (ctrl_grab) {
322 return (mod & KMOD_RCTRL) == KMOD_RCTRL;
323 } else {
324 return (mod & gui_grab_code) == gui_grab_code;
328 static void handle_keydown(SDL_Event *ev)
330 int win;
331 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
332 int gui_key_modifier_pressed = get_mod_state();
334 if (!scon->ignore_hotkeys && gui_key_modifier_pressed && !ev->key.repeat) {
335 switch (ev->key.keysym.scancode) {
336 case SDL_SCANCODE_2:
337 case SDL_SCANCODE_3:
338 case SDL_SCANCODE_4:
339 case SDL_SCANCODE_5:
340 case SDL_SCANCODE_6:
341 case SDL_SCANCODE_7:
342 case SDL_SCANCODE_8:
343 case SDL_SCANCODE_9:
344 if (gui_grab) {
345 sdl_grab_end(scon);
348 win = ev->key.keysym.scancode - SDL_SCANCODE_1;
349 if (win < sdl2_num_outputs) {
350 sdl2_console[win].hidden = !sdl2_console[win].hidden;
351 if (sdl2_console[win].real_window) {
352 if (sdl2_console[win].hidden) {
353 SDL_HideWindow(sdl2_console[win].real_window);
354 } else {
355 SDL_ShowWindow(sdl2_console[win].real_window);
358 gui_keysym = 1;
360 break;
361 case SDL_SCANCODE_F:
362 toggle_full_screen(scon);
363 gui_keysym = 1;
364 break;
365 case SDL_SCANCODE_G:
366 gui_keysym = 1;
367 if (!gui_grab) {
368 sdl_grab_start(scon);
369 } else if (!gui_fullscreen) {
370 sdl_grab_end(scon);
372 break;
373 case SDL_SCANCODE_U:
374 sdl2_window_destroy(scon);
375 sdl2_window_create(scon);
376 if (!scon->opengl) {
377 /* re-create scon->texture */
378 sdl2_2d_switch(&scon->dcl, scon->surface);
380 gui_keysym = 1;
381 break;
382 #if 0
383 case SDL_SCANCODE_KP_PLUS:
384 case SDL_SCANCODE_KP_MINUS:
385 if (!gui_fullscreen) {
386 int scr_w, scr_h;
387 int width, height;
388 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h);
390 width = MAX(scr_w + (ev->key.keysym.scancode ==
391 SDL_SCANCODE_KP_PLUS ? 50 : -50),
392 160);
393 height = (surface_height(scon->surface) * width) /
394 surface_width(scon->surface);
395 fprintf(stderr, "%s: scale to %dx%d\n",
396 __func__, width, height);
397 sdl_scale(scon, width, height);
398 sdl2_redraw(scon);
399 gui_keysym = 1;
401 #endif
402 default:
403 break;
406 if (!gui_keysym) {
407 sdl2_process_key(scon, &ev->key);
411 static void handle_keyup(SDL_Event *ev)
413 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
414 int gui_key_modifier_pressed = get_mod_state();
416 scon->ignore_hotkeys = false;
418 if (!gui_key_modifier_pressed) {
419 gui_keysym = 0;
421 if (!gui_keysym) {
422 sdl2_process_key(scon, &ev->key);
426 static void handle_textinput(SDL_Event *ev)
428 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
429 QemuConsole *con = scon ? scon->dcl.con : NULL;
431 if (qemu_console_is_graphic(con)) {
432 return;
434 kbd_put_string_console(con, ev->text.text, strlen(ev->text.text));
437 static void handle_mousemotion(SDL_Event *ev)
439 int max_x, max_y;
440 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
442 if (!qemu_console_is_graphic(scon->dcl.con)) {
443 return;
446 if (qemu_input_is_absolute() || absolute_enabled) {
447 int scr_w, scr_h;
448 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h);
449 max_x = scr_w - 1;
450 max_y = scr_h - 1;
451 if (gui_grab && !gui_fullscreen
452 && (ev->motion.x == 0 || ev->motion.y == 0 ||
453 ev->motion.x == max_x || ev->motion.y == max_y)) {
454 sdl_grab_end(scon);
456 if (!gui_grab &&
457 (ev->motion.x > 0 && ev->motion.x < max_x &&
458 ev->motion.y > 0 && ev->motion.y < max_y)) {
459 sdl_grab_start(scon);
462 if (gui_grab || qemu_input_is_absolute() || absolute_enabled) {
463 sdl_send_mouse_event(scon, ev->motion.xrel, ev->motion.yrel,
464 ev->motion.x, ev->motion.y, ev->motion.state);
468 static void handle_mousebutton(SDL_Event *ev)
470 int buttonstate = SDL_GetMouseState(NULL, NULL);
471 SDL_MouseButtonEvent *bev;
472 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
474 if (!qemu_console_is_graphic(scon->dcl.con)) {
475 return;
478 bev = &ev->button;
479 if (!gui_grab && !qemu_input_is_absolute()) {
480 if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) {
481 /* start grabbing all events */
482 sdl_grab_start(scon);
484 } else {
485 if (ev->type == SDL_MOUSEBUTTONDOWN) {
486 buttonstate |= SDL_BUTTON(bev->button);
487 } else {
488 buttonstate &= ~SDL_BUTTON(bev->button);
490 sdl_send_mouse_event(scon, 0, 0, bev->x, bev->y, buttonstate);
494 static void handle_mousewheel(SDL_Event *ev)
496 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
497 SDL_MouseWheelEvent *wev = &ev->wheel;
498 InputButton btn;
500 if (!qemu_console_is_graphic(scon->dcl.con)) {
501 return;
504 if (wev->y > 0) {
505 btn = INPUT_BUTTON_WHEEL_UP;
506 } else if (wev->y < 0) {
507 btn = INPUT_BUTTON_WHEEL_DOWN;
508 } else {
509 return;
512 qemu_input_queue_btn(scon->dcl.con, btn, true);
513 qemu_input_event_sync();
514 qemu_input_queue_btn(scon->dcl.con, btn, false);
515 qemu_input_event_sync();
518 static void handle_windowevent(SDL_Event *ev)
520 struct sdl2_console *scon = get_scon_from_window(ev->window.windowID);
521 bool allow_close = true;
523 if (!scon) {
524 return;
527 switch (ev->window.event) {
528 case SDL_WINDOWEVENT_RESIZED:
530 QemuUIInfo info;
531 memset(&info, 0, sizeof(info));
532 info.width = ev->window.data1;
533 info.height = ev->window.data2;
534 dpy_set_ui_info(scon->dcl.con, &info);
536 sdl2_redraw(scon);
537 break;
538 case SDL_WINDOWEVENT_EXPOSED:
539 sdl2_redraw(scon);
540 break;
541 case SDL_WINDOWEVENT_FOCUS_GAINED:
542 case SDL_WINDOWEVENT_ENTER:
543 if (!gui_grab && (qemu_input_is_absolute() || absolute_enabled)) {
544 absolute_mouse_grab(scon);
546 /* If a new console window opened using a hotkey receives the
547 * focus, SDL sends another KEYDOWN event to the new window,
548 * closing the console window immediately after.
550 * Work around this by ignoring further hotkey events until a
551 * key is released.
553 scon->ignore_hotkeys = get_mod_state();
554 break;
555 case SDL_WINDOWEVENT_FOCUS_LOST:
556 if (gui_grab && !gui_fullscreen) {
557 sdl_grab_end(scon);
559 break;
560 case SDL_WINDOWEVENT_RESTORED:
561 update_displaychangelistener(&scon->dcl, GUI_REFRESH_INTERVAL_DEFAULT);
562 break;
563 case SDL_WINDOWEVENT_MINIMIZED:
564 update_displaychangelistener(&scon->dcl, 500);
565 break;
566 case SDL_WINDOWEVENT_CLOSE:
567 if (qemu_console_is_graphic(scon->dcl.con)) {
568 if (scon->opts->has_window_close && !scon->opts->window_close) {
569 allow_close = false;
571 if (allow_close) {
572 no_shutdown = 0;
573 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
575 } else {
576 SDL_HideWindow(scon->real_window);
577 scon->hidden = true;
579 break;
580 case SDL_WINDOWEVENT_SHOWN:
581 scon->hidden = false;
582 break;
583 case SDL_WINDOWEVENT_HIDDEN:
584 scon->hidden = true;
585 break;
589 void sdl2_poll_events(struct sdl2_console *scon)
591 SDL_Event ev1, *ev = &ev1;
592 bool allow_close = true;
593 int idle = 1;
595 if (scon->last_vm_running != runstate_is_running()) {
596 scon->last_vm_running = runstate_is_running();
597 sdl_update_caption(scon);
600 while (SDL_PollEvent(ev)) {
601 switch (ev->type) {
602 case SDL_KEYDOWN:
603 idle = 0;
604 handle_keydown(ev);
605 break;
606 case SDL_KEYUP:
607 idle = 0;
608 handle_keyup(ev);
609 break;
610 case SDL_TEXTINPUT:
611 idle = 0;
612 handle_textinput(ev);
613 break;
614 case SDL_QUIT:
615 if (scon->opts->has_window_close && !scon->opts->window_close) {
616 allow_close = false;
618 if (allow_close) {
619 no_shutdown = 0;
620 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
622 break;
623 case SDL_MOUSEMOTION:
624 idle = 0;
625 handle_mousemotion(ev);
626 break;
627 case SDL_MOUSEBUTTONDOWN:
628 case SDL_MOUSEBUTTONUP:
629 idle = 0;
630 handle_mousebutton(ev);
631 break;
632 case SDL_MOUSEWHEEL:
633 idle = 0;
634 handle_mousewheel(ev);
635 break;
636 case SDL_WINDOWEVENT:
637 handle_windowevent(ev);
638 break;
639 default:
640 break;
644 if (idle) {
645 if (scon->idle_counter < SDL2_MAX_IDLE_COUNT) {
646 scon->idle_counter++;
647 if (scon->idle_counter >= SDL2_MAX_IDLE_COUNT) {
648 scon->dcl.update_interval = GUI_REFRESH_INTERVAL_DEFAULT;
651 } else {
652 scon->idle_counter = 0;
653 scon->dcl.update_interval = SDL2_REFRESH_INTERVAL_BUSY;
657 static void sdl_mouse_warp(DisplayChangeListener *dcl,
658 int x, int y, int on)
660 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
662 if (!qemu_console_is_graphic(scon->dcl.con)) {
663 return;
666 if (on) {
667 if (!guest_cursor) {
668 sdl_show_cursor();
670 if (gui_grab || qemu_input_is_absolute() || absolute_enabled) {
671 SDL_SetCursor(guest_sprite);
672 if (!qemu_input_is_absolute() && !absolute_enabled) {
673 SDL_WarpMouseInWindow(scon->real_window, x, y);
676 } else if (gui_grab) {
677 sdl_hide_cursor();
679 guest_cursor = on;
680 guest_x = x, guest_y = y;
683 static void sdl_mouse_define(DisplayChangeListener *dcl,
684 QEMUCursor *c)
687 if (guest_sprite) {
688 SDL_FreeCursor(guest_sprite);
691 if (guest_sprite_surface) {
692 SDL_FreeSurface(guest_sprite_surface);
695 guest_sprite_surface =
696 SDL_CreateRGBSurfaceFrom(c->data, c->width, c->height, 32, c->width * 4,
697 0xff0000, 0x00ff00, 0xff, 0xff000000);
699 if (!guest_sprite_surface) {
700 fprintf(stderr, "Failed to make rgb surface from %p\n", c);
701 return;
703 guest_sprite = SDL_CreateColorCursor(guest_sprite_surface,
704 c->hot_x, c->hot_y);
705 if (!guest_sprite) {
706 fprintf(stderr, "Failed to make color cursor from %p\n", c);
707 return;
709 if (guest_cursor &&
710 (gui_grab || qemu_input_is_absolute() || absolute_enabled)) {
711 SDL_SetCursor(guest_sprite);
715 static void sdl_cleanup(void)
717 if (guest_sprite) {
718 SDL_FreeCursor(guest_sprite);
720 SDL_QuitSubSystem(SDL_INIT_VIDEO);
723 static const DisplayChangeListenerOps dcl_2d_ops = {
724 .dpy_name = "sdl2-2d",
725 .dpy_gfx_update = sdl2_2d_update,
726 .dpy_gfx_switch = sdl2_2d_switch,
727 .dpy_gfx_check_format = sdl2_2d_check_format,
728 .dpy_refresh = sdl2_2d_refresh,
729 .dpy_mouse_set = sdl_mouse_warp,
730 .dpy_cursor_define = sdl_mouse_define,
733 #ifdef CONFIG_OPENGL
734 static const DisplayChangeListenerOps dcl_gl_ops = {
735 .dpy_name = "sdl2-gl",
736 .dpy_gfx_update = sdl2_gl_update,
737 .dpy_gfx_switch = sdl2_gl_switch,
738 .dpy_gfx_check_format = console_gl_check_format,
739 .dpy_refresh = sdl2_gl_refresh,
740 .dpy_mouse_set = sdl_mouse_warp,
741 .dpy_cursor_define = sdl_mouse_define,
743 .dpy_gl_ctx_create = sdl2_gl_create_context,
744 .dpy_gl_ctx_destroy = sdl2_gl_destroy_context,
745 .dpy_gl_ctx_make_current = sdl2_gl_make_context_current,
746 .dpy_gl_ctx_get_current = sdl2_gl_get_current_context,
747 .dpy_gl_scanout_disable = sdl2_gl_scanout_disable,
748 .dpy_gl_scanout_texture = sdl2_gl_scanout_texture,
749 .dpy_gl_update = sdl2_gl_scanout_flush,
751 #endif
753 static void sdl2_display_early_init(DisplayOptions *o)
755 assert(o->type == DISPLAY_TYPE_SDL);
756 if (o->has_gl && o->gl) {
757 #ifdef CONFIG_OPENGL
758 display_opengl = 1;
759 #endif
763 static void sdl2_display_init(DisplayState *ds, DisplayOptions *o)
765 int flags;
766 uint8_t data = 0;
767 char *filename;
768 int i;
769 SDL_SysWMinfo info;
771 assert(o->type == DISPLAY_TYPE_SDL);
773 #ifdef __linux__
774 /* on Linux, SDL may use fbcon|directfb|svgalib when run without
775 * accessible $DISPLAY to open X11 window. This is often the case
776 * when qemu is run using sudo. But in this case, and when actually
777 * run in X11 environment, SDL fights with X11 for the video card,
778 * making current display unavailable, often until reboot.
779 * So make x11 the default SDL video driver if this variable is unset.
780 * This is a bit hackish but saves us from bigger problem.
781 * Maybe it's a good idea to fix this in SDL instead.
783 setenv("SDL_VIDEODRIVER", "x11", 0);
784 #endif
786 flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
787 if (SDL_Init(flags)) {
788 fprintf(stderr, "Could not initialize SDL(%s) - exiting\n",
789 SDL_GetError());
790 exit(1);
792 SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "1");
793 memset(&info, 0, sizeof(info));
794 SDL_VERSION(&info.version);
796 for (i = 0;; i++) {
797 QemuConsole *con = qemu_console_lookup_by_index(i);
798 if (!con) {
799 break;
802 sdl2_num_outputs = i;
803 if (sdl2_num_outputs == 0) {
804 return;
806 sdl2_console = g_new0(struct sdl2_console, sdl2_num_outputs);
807 for (i = 0; i < sdl2_num_outputs; i++) {
808 QemuConsole *con = qemu_console_lookup_by_index(i);
809 assert(con != NULL);
810 if (!qemu_console_is_graphic(con)) {
811 sdl2_console[i].hidden = true;
813 sdl2_console[i].idx = i;
814 sdl2_console[i].opts = o;
815 #ifdef CONFIG_OPENGL
816 sdl2_console[i].opengl = display_opengl;
817 sdl2_console[i].dcl.ops = display_opengl ? &dcl_gl_ops : &dcl_2d_ops;
818 #else
819 sdl2_console[i].opengl = 0;
820 sdl2_console[i].dcl.ops = &dcl_2d_ops;
821 #endif
822 sdl2_console[i].dcl.con = con;
823 register_displaychangelistener(&sdl2_console[i].dcl);
825 #if defined(SDL_VIDEO_DRIVER_WINDOWS) || defined(SDL_VIDEO_DRIVER_X11)
826 if (SDL_GetWindowWMInfo(sdl2_console[i].real_window, &info)) {
827 #if defined(SDL_VIDEO_DRIVER_WINDOWS)
828 qemu_console_set_window_id(con, (uintptr_t)info.info.win.window);
829 #elif defined(SDL_VIDEO_DRIVER_X11)
830 qemu_console_set_window_id(con, info.info.x11.window);
831 #endif
833 #endif
836 /* Load a 32x32x4 image. White pixels are transparent. */
837 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu-icon.bmp");
838 if (filename) {
839 SDL_Surface *image = SDL_LoadBMP(filename);
840 if (image) {
841 uint32_t colorkey = SDL_MapRGB(image->format, 255, 255, 255);
842 SDL_SetColorKey(image, SDL_TRUE, colorkey);
843 SDL_SetWindowIcon(sdl2_console[0].real_window, image);
845 g_free(filename);
848 if (sdl2_console->opts->has_full_screen &&
849 sdl2_console->opts->full_screen) {
850 gui_fullscreen = 1;
851 sdl_grab_start(0);
854 mouse_mode_notifier.notify = sdl_mouse_mode_change;
855 qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier);
857 gui_grab = 0;
859 sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);
860 sdl_cursor_normal = SDL_GetCursor();
862 atexit(sdl_cleanup);
865 static QemuDisplay qemu_display_sdl2 = {
866 .type = DISPLAY_TYPE_SDL,
867 .early_init = sdl2_display_early_init,
868 .init = sdl2_display_init,
871 static void register_sdl1(void)
873 qemu_display_register(&qemu_display_sdl2);
876 type_init(register_sdl1);