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
24 /* Ported SDL 1.2 code to 2.0 by Dave Airlie. */
26 /* Avoid compiler warning because macro is redefined in SDL_syswm.h. */
27 #undef WIN32_LEAN_AND_MEAN
31 #if SDL_MAJOR_VERSION == 2
32 #include <SDL_syswm.h>
34 #include "qemu-common.h"
35 #include "ui/console.h"
37 #include "sysemu/sysemu.h"
40 #include "sdl2-keymap.h"
42 static int sdl2_num_outputs
;
43 static struct sdl2_state
{
44 DisplayChangeListener dcl
;
45 DisplaySurface
*surface
;
47 SDL_Window
*real_window
;
48 SDL_Renderer
*real_renderer
;
50 int last_vm_running
; /* per console for caption reasons */
54 static SDL_Surface
*guest_sprite_surface
;
55 static int gui_grab
; /* if true, all keyboard/mouse events are grabbed */
57 static bool gui_saved_scaling
;
58 static int gui_saved_width
;
59 static int gui_saved_height
;
60 static int gui_saved_grab
;
61 static int gui_fullscreen
;
62 static int gui_noframe
;
63 static int gui_key_modifier_pressed
;
64 static int gui_keysym
;
65 static int gui_grab_code
= KMOD_LALT
| KMOD_LCTRL
;
66 static uint8_t modifiers_state
[SDL_NUM_SCANCODES
];
67 static SDL_Cursor
*sdl_cursor_normal
;
68 static SDL_Cursor
*sdl_cursor_hidden
;
69 static int absolute_enabled
;
70 static int guest_cursor
;
71 static int guest_x
, guest_y
;
72 static SDL_Cursor
*guest_sprite
;
73 static int scaling_active
;
74 static Notifier mouse_mode_notifier
;
76 static void sdl_update_caption(struct sdl2_state
*scon
);
78 static struct sdl2_state
*get_scon_from_window(uint32_t window_id
)
81 for (i
= 0; i
< sdl2_num_outputs
; i
++) {
82 if (sdl2_console
[i
].real_window
== SDL_GetWindowFromID(window_id
)) {
83 return &sdl2_console
[i
];
89 static void sdl_update(DisplayChangeListener
*dcl
,
90 int x
, int y
, int w
, int h
)
92 struct sdl2_state
*scon
= container_of(dcl
, struct sdl2_state
, dcl
);
94 DisplaySurface
*surf
= qemu_console_surface(dcl
->con
);
108 SDL_UpdateTexture(scon
->texture
, NULL
, surface_data(surf
),
109 surface_stride(surf
));
110 SDL_RenderCopy(scon
->real_renderer
, scon
->texture
, &rect
, &rect
);
111 SDL_RenderPresent(scon
->real_renderer
);
114 static void do_sdl_resize(struct sdl2_state
*scon
, int width
, int height
,
119 if (scon
->real_window
&& scon
->real_renderer
) {
120 if (width
&& height
) {
121 SDL_RenderSetLogicalSize(scon
->real_renderer
, width
, height
);
122 SDL_SetWindowSize(scon
->real_window
, width
, height
);
124 SDL_DestroyRenderer(scon
->real_renderer
);
125 SDL_DestroyWindow(scon
->real_window
);
126 scon
->real_renderer
= NULL
;
127 scon
->real_window
= NULL
;
130 if (!width
|| !height
) {
134 if (gui_fullscreen
) {
135 flags
|= SDL_WINDOW_FULLSCREEN
;
137 flags
|= SDL_WINDOW_RESIZABLE
;
140 scon
->real_window
= SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED
,
141 SDL_WINDOWPOS_UNDEFINED
,
142 width
, height
, flags
);
143 scon
->real_renderer
= SDL_CreateRenderer(scon
->real_window
, -1, 0);
144 sdl_update_caption(scon
);
148 static void sdl_switch(DisplayChangeListener
*dcl
,
149 DisplaySurface
*new_surface
)
151 struct sdl2_state
*scon
= container_of(dcl
, struct sdl2_state
, dcl
);
154 DisplaySurface
*old_surface
= scon
->surface
;
156 /* temporary hack: allows to call sdl_switch to handle scaling changes */
158 scon
->surface
= new_surface
;
161 if (!new_surface
&& idx
> 0) {
162 scon
->surface
= NULL
;
165 if (new_surface
== NULL
) {
166 do_sdl_resize(scon
, 0, 0, 0);
168 do_sdl_resize(scon
, surface_width(scon
->surface
),
169 surface_height(scon
->surface
), 0);
172 if (old_surface
&& scon
->texture
) {
173 SDL_DestroyTexture(scon
->texture
);
174 scon
->texture
= NULL
;
178 if (!scon
->texture
) {
179 if (surface_bits_per_pixel(scon
->surface
) == 16) {
180 format
= SDL_PIXELFORMAT_RGB565
;
181 } else if (surface_bits_per_pixel(scon
->surface
) == 32) {
182 format
= SDL_PIXELFORMAT_ARGB8888
;
185 scon
->texture
= SDL_CreateTexture(scon
->real_renderer
, format
,
186 SDL_TEXTUREACCESS_STREAMING
,
187 surface_width(new_surface
),
188 surface_height(new_surface
));
193 static void reset_keys(void)
197 for (i
= 0; i
< 256; i
++) {
198 if (modifiers_state
[i
]) {
199 int qcode
= sdl2_scancode_to_qcode
[i
];
200 qemu_input_event_send_key_qcode(NULL
, qcode
, false);
201 modifiers_state
[i
] = 0;
206 static void sdl_process_key(SDL_KeyboardEvent
*ev
)
208 int qcode
= sdl2_scancode_to_qcode
[ev
->keysym
.scancode
];
210 switch (ev
->keysym
.scancode
) {
212 case SDL_SCANCODE_NUMLOCKCLEAR
:
213 case SDL_SCANCODE_CAPSLOCK
:
214 /* SDL does not send the key up event, so we generate it */
215 qemu_input_event_send_key_qcode(NULL
, qcode
, true);
216 qemu_input_event_send_key_qcode(NULL
, qcode
, false);
219 case SDL_SCANCODE_LCTRL
:
220 case SDL_SCANCODE_LSHIFT
:
221 case SDL_SCANCODE_LALT
:
222 case SDL_SCANCODE_LGUI
:
223 case SDL_SCANCODE_RCTRL
:
224 case SDL_SCANCODE_RSHIFT
:
225 case SDL_SCANCODE_RALT
:
226 case SDL_SCANCODE_RGUI
:
227 if (ev
->type
== SDL_KEYUP
) {
228 modifiers_state
[ev
->keysym
.scancode
] = 0;
230 modifiers_state
[ev
->keysym
.scancode
] = 1;
234 qemu_input_event_send_key_qcode(NULL
, qcode
,
235 ev
->type
== SDL_KEYDOWN
);
239 static void sdl_update_caption(struct sdl2_state
*scon
)
241 char win_title
[1024];
242 char icon_title
[1024];
243 const char *status
= "";
245 if (!runstate_is_running()) {
246 status
= " [Stopped]";
247 } else if (gui_grab
) {
249 status
= " - Press Ctrl-Alt-Shift to exit mouse grab";
250 } else if (ctrl_grab
) {
251 status
= " - Press Right-Ctrl to exit mouse grab";
253 status
= " - Press Ctrl-Alt to exit mouse grab";
258 snprintf(win_title
, sizeof(win_title
), "QEMU (%s-%d)%s", qemu_name
,
260 snprintf(icon_title
, sizeof(icon_title
), "QEMU (%s)", qemu_name
);
262 snprintf(win_title
, sizeof(win_title
), "QEMU%s", status
);
263 snprintf(icon_title
, sizeof(icon_title
), "QEMU");
266 if (scon
->real_window
) {
267 SDL_SetWindowTitle(scon
->real_window
, win_title
);
271 static void sdl_hide_cursor(void)
277 if (qemu_input_is_absolute()) {
279 SDL_SetCursor(sdl_cursor_hidden
);
281 SDL_SetRelativeMouseMode(SDL_TRUE
);
285 static void sdl_show_cursor(void)
291 if (!qemu_input_is_absolute()) {
292 SDL_SetRelativeMouseMode(SDL_FALSE
);
295 (gui_grab
|| qemu_input_is_absolute() || absolute_enabled
)) {
296 SDL_SetCursor(guest_sprite
);
298 SDL_SetCursor(sdl_cursor_normal
);
303 static void sdl_grab_start(struct sdl2_state
*scon
)
306 * If the application is not active, do not try to enter grab state. This
307 * prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the
308 * application (SDL bug).
310 if (!(SDL_GetWindowFlags(scon
->real_window
) & SDL_WINDOW_INPUT_FOCUS
)) {
314 SDL_SetCursor(guest_sprite
);
315 if (!qemu_input_is_absolute() && !absolute_enabled
) {
316 SDL_WarpMouseInWindow(scon
->real_window
, guest_x
, guest_y
);
321 SDL_SetWindowGrab(scon
->real_window
, SDL_TRUE
);
323 sdl_update_caption(scon
);
326 static void sdl_grab_end(struct sdl2_state
*scon
)
328 SDL_SetWindowGrab(scon
->real_window
, SDL_FALSE
);
331 sdl_update_caption(scon
);
334 static void absolute_mouse_grab(struct sdl2_state
*scon
)
336 int mouse_x
, mouse_y
;
338 SDL_GetMouseState(&mouse_x
, &mouse_y
);
339 SDL_GetWindowSize(scon
->real_window
, &scr_w
, &scr_h
);
340 if (mouse_x
> 0 && mouse_x
< scr_w
- 1 &&
341 mouse_y
> 0 && mouse_y
< scr_h
- 1) {
342 sdl_grab_start(scon
);
346 static void sdl_mouse_mode_change(Notifier
*notify
, void *data
)
348 if (qemu_input_is_absolute()) {
349 if (!absolute_enabled
) {
350 absolute_enabled
= 1;
351 absolute_mouse_grab(&sdl2_console
[0]);
353 } else if (absolute_enabled
) {
354 if (!gui_fullscreen
) {
355 sdl_grab_end(&sdl2_console
[0]);
357 absolute_enabled
= 0;
361 static void sdl_send_mouse_event(struct sdl2_state
*scon
, int dx
, int dy
,
362 int x
, int y
, int state
)
364 static uint32_t bmap
[INPUT_BUTTON_MAX
] = {
365 [INPUT_BUTTON_LEFT
] = SDL_BUTTON(SDL_BUTTON_LEFT
),
366 [INPUT_BUTTON_MIDDLE
] = SDL_BUTTON(SDL_BUTTON_MIDDLE
),
367 [INPUT_BUTTON_RIGHT
] = SDL_BUTTON(SDL_BUTTON_RIGHT
),
369 static uint32_t prev_state
;
371 if (prev_state
!= state
) {
372 qemu_input_update_buttons(scon
->dcl
.con
, bmap
, prev_state
, state
);
376 if (qemu_input_is_absolute()) {
378 int max_w
= 0, max_h
= 0;
379 int off_x
= 0, off_y
= 0;
380 int cur_off_x
= 0, cur_off_y
= 0;
383 for (i
= 0; i
< sdl2_num_outputs
; i
++) {
384 struct sdl2_state
*thiscon
= &sdl2_console
[i
];
385 if (thiscon
->real_window
&& thiscon
->surface
) {
386 SDL_GetWindowSize(thiscon
->real_window
, &scr_w
, &scr_h
);
387 cur_off_x
= thiscon
->x
;
388 cur_off_y
= thiscon
->y
;
389 if (scr_w
+ cur_off_x
> max_w
) {
390 max_w
= scr_w
+ cur_off_x
;
392 if (scr_h
+ cur_off_y
> max_h
) {
393 max_h
= scr_h
+ cur_off_y
;
395 if (i
== scon
->idx
) {
401 qemu_input_queue_abs(scon
->dcl
.con
, INPUT_AXIS_X
, off_x
+ x
, max_w
);
402 qemu_input_queue_abs(scon
->dcl
.con
, INPUT_AXIS_Y
, off_y
+ y
, max_h
);
412 qemu_input_queue_rel(scon
->dcl
.con
, INPUT_AXIS_X
, dx
);
413 qemu_input_queue_rel(scon
->dcl
.con
, INPUT_AXIS_Y
, dy
);
415 qemu_input_event_sync();
418 static void sdl_scale(struct sdl2_state
*scon
, int width
, int height
)
421 do_sdl_resize(scon
, width
, height
, bpp
);
425 static void toggle_full_screen(struct sdl2_state
*scon
)
427 int width
= surface_width(scon
->surface
);
428 int height
= surface_height(scon
->surface
);
429 int bpp
= surface_bits_per_pixel(scon
->surface
);
431 gui_fullscreen
= !gui_fullscreen
;
432 if (gui_fullscreen
) {
433 SDL_GetWindowSize(scon
->real_window
,
434 &gui_saved_width
, &gui_saved_height
);
435 gui_saved_scaling
= scaling_active
;
437 do_sdl_resize(scon
, width
, height
, bpp
);
440 gui_saved_grab
= gui_grab
;
441 sdl_grab_start(scon
);
443 if (gui_saved_scaling
) {
444 sdl_scale(scon
, gui_saved_width
, gui_saved_height
);
446 do_sdl_resize(scon
, width
, height
, 0);
448 if (!gui_saved_grab
) {
452 graphic_hw_invalidate(scon
->dcl
.con
);
453 graphic_hw_update(scon
->dcl
.con
);
456 static void handle_keydown(SDL_Event
*ev
)
459 struct sdl2_state
*scon
= get_scon_from_window(ev
->key
.windowID
);
462 mod_state
= (SDL_GetModState() & (gui_grab_code
| KMOD_LSHIFT
)) ==
463 (gui_grab_code
| KMOD_LSHIFT
);
464 } else if (ctrl_grab
) {
465 mod_state
= (SDL_GetModState() & KMOD_RCTRL
) == KMOD_RCTRL
;
467 mod_state
= (SDL_GetModState() & gui_grab_code
) == gui_grab_code
;
469 gui_key_modifier_pressed
= mod_state
;
471 if (gui_key_modifier_pressed
) {
472 switch (ev
->key
.keysym
.scancode
) {
474 toggle_full_screen(scon
);
478 if (scaling_active
) {
480 sdl_switch(&scon
->dcl
, NULL
);
481 graphic_hw_invalidate(scon
->dcl
.con
);
482 graphic_hw_update(scon
->dcl
.con
);
486 case SDL_SCANCODE_KP_PLUS
:
487 case SDL_SCANCODE_KP_MINUS
:
488 if (!gui_fullscreen
) {
491 SDL_GetWindowSize(scon
->real_window
, &scr_w
, &scr_h
);
493 width
= MAX(scr_w
+ (ev
->key
.keysym
.scancode
==
494 SDL_SCANCODE_KP_PLUS
? 50 : -50),
496 height
= (surface_height(scon
->surface
) * width
) /
497 surface_width(scon
->surface
);
499 sdl_scale(scon
, width
, height
);
500 graphic_hw_invalidate(NULL
);
501 graphic_hw_update(NULL
);
509 sdl_process_key(&ev
->key
);
513 static void handle_keyup(SDL_Event
*ev
)
516 struct sdl2_state
*scon
= get_scon_from_window(ev
->key
.windowID
);
519 mod_state
= (ev
->key
.keysym
.mod
& gui_grab_code
);
521 mod_state
= (ev
->key
.keysym
.mod
& (gui_grab_code
| KMOD_LSHIFT
));
523 if (!mod_state
&& gui_key_modifier_pressed
) {
524 gui_key_modifier_pressed
= 0;
525 if (gui_keysym
== 0) {
526 /* exit/enter grab if pressing Ctrl-Alt */
528 sdl_grab_start(scon
);
529 } else if (!gui_fullscreen
) {
532 /* SDL does not send back all the modifiers key, so we must
540 sdl_process_key(&ev
->key
);
544 static void handle_mousemotion(SDL_Event
*ev
)
547 struct sdl2_state
*scon
= get_scon_from_window(ev
->key
.windowID
);
549 if (qemu_input_is_absolute() || absolute_enabled
) {
551 SDL_GetWindowSize(scon
->real_window
, &scr_w
, &scr_h
);
554 if (gui_grab
&& (ev
->motion
.x
== 0 || ev
->motion
.y
== 0 ||
555 ev
->motion
.x
== max_x
|| ev
->motion
.y
== max_y
)) {
559 (ev
->motion
.x
> 0 && ev
->motion
.x
< max_x
&&
560 ev
->motion
.y
> 0 && ev
->motion
.y
< max_y
)) {
561 sdl_grab_start(scon
);
564 if (gui_grab
|| qemu_input_is_absolute() || absolute_enabled
) {
565 sdl_send_mouse_event(scon
, ev
->motion
.xrel
, ev
->motion
.yrel
,
566 ev
->motion
.x
, ev
->motion
.y
, ev
->motion
.state
);
570 static void handle_mousebutton(SDL_Event
*ev
)
572 int buttonstate
= SDL_GetMouseState(NULL
, NULL
);
573 SDL_MouseButtonEvent
*bev
;
574 struct sdl2_state
*scon
= get_scon_from_window(ev
->key
.windowID
);
577 if (!gui_grab
&& !qemu_input_is_absolute()) {
578 if (ev
->type
== SDL_MOUSEBUTTONUP
&& bev
->button
== SDL_BUTTON_LEFT
) {
579 /* start grabbing all events */
580 sdl_grab_start(scon
);
583 if (ev
->type
== SDL_MOUSEBUTTONDOWN
) {
584 buttonstate
|= SDL_BUTTON(bev
->button
);
586 buttonstate
&= ~SDL_BUTTON(bev
->button
);
588 sdl_send_mouse_event(scon
, 0, 0, bev
->x
, bev
->y
, buttonstate
);
592 static void handle_mousewheel(SDL_Event
*ev
)
594 struct sdl2_state
*scon
= get_scon_from_window(ev
->key
.windowID
);
595 SDL_MouseWheelEvent
*wev
= &ev
->wheel
;
599 btn
= INPUT_BUTTON_WHEEL_UP
;
600 } else if (wev
->y
< 0) {
601 btn
= INPUT_BUTTON_WHEEL_DOWN
;
606 qemu_input_queue_btn(scon
->dcl
.con
, btn
, true);
607 qemu_input_event_sync();
608 qemu_input_queue_btn(scon
->dcl
.con
, btn
, false);
609 qemu_input_event_sync();
612 static void handle_windowevent(DisplayChangeListener
*dcl
, SDL_Event
*ev
)
615 struct sdl2_state
*scon
= get_scon_from_window(ev
->key
.windowID
);
617 switch (ev
->window
.event
) {
618 case SDL_WINDOWEVENT_RESIZED
:
619 sdl_scale(scon
, ev
->window
.data1
, ev
->window
.data2
);
622 memset(&info
, 0, sizeof(info
));
623 info
.width
= ev
->window
.data1
;
624 info
.height
= ev
->window
.data2
;
625 dpy_set_ui_info(scon
->dcl
.con
, &info
);
627 graphic_hw_invalidate(scon
->dcl
.con
);
628 graphic_hw_update(scon
->dcl
.con
);
630 case SDL_WINDOWEVENT_EXPOSED
:
631 SDL_GetWindowSize(SDL_GetWindowFromID(ev
->window
.windowID
), &w
, &h
);
632 sdl_update(dcl
, 0, 0, w
, h
);
634 case SDL_WINDOWEVENT_FOCUS_GAINED
:
635 case SDL_WINDOWEVENT_ENTER
:
636 if (!gui_grab
&& (qemu_input_is_absolute() || absolute_enabled
)) {
637 absolute_mouse_grab(scon
);
640 case SDL_WINDOWEVENT_FOCUS_LOST
:
641 if (gui_grab
&& !gui_fullscreen
) {
645 case SDL_WINDOWEVENT_RESTORED
:
646 update_displaychangelistener(dcl
, GUI_REFRESH_INTERVAL_DEFAULT
);
648 case SDL_WINDOWEVENT_MINIMIZED
:
649 update_displaychangelistener(dcl
, 500);
651 case SDL_WINDOWEVENT_CLOSE
:
654 qemu_system_shutdown_request();
660 static void sdl_refresh(DisplayChangeListener
*dcl
)
662 struct sdl2_state
*scon
= container_of(dcl
, struct sdl2_state
, dcl
);
663 SDL_Event ev1
, *ev
= &ev1
;
665 if (scon
->last_vm_running
!= runstate_is_running()) {
666 scon
->last_vm_running
= runstate_is_running();
667 sdl_update_caption(scon
);
670 graphic_hw_update(dcl
->con
);
672 while (SDL_PollEvent(ev
)) {
683 qemu_system_shutdown_request();
686 case SDL_MOUSEMOTION
:
687 handle_mousemotion(ev
);
689 case SDL_MOUSEBUTTONDOWN
:
690 case SDL_MOUSEBUTTONUP
:
691 handle_mousebutton(ev
);
694 handle_mousewheel(ev
);
696 case SDL_WINDOWEVENT
:
697 handle_windowevent(dcl
, ev
);
705 static void sdl_mouse_warp(DisplayChangeListener
*dcl
,
706 int x
, int y
, int on
)
708 struct sdl2_state
*scon
= container_of(dcl
, struct sdl2_state
, dcl
);
713 if (gui_grab
|| qemu_input_is_absolute() || absolute_enabled
) {
714 SDL_SetCursor(guest_sprite
);
715 if (!qemu_input_is_absolute() && !absolute_enabled
) {
716 SDL_WarpMouseInWindow(scon
->real_window
, x
, y
);
719 } else if (gui_grab
) {
723 guest_x
= x
, guest_y
= y
;
726 static void sdl_mouse_define(DisplayChangeListener
*dcl
,
731 SDL_FreeCursor(guest_sprite
);
734 if (guest_sprite_surface
) {
735 SDL_FreeSurface(guest_sprite_surface
);
738 guest_sprite_surface
=
739 SDL_CreateRGBSurfaceFrom(c
->data
, c
->width
, c
->height
, 32, c
->width
* 4,
740 0xff0000, 0x00ff00, 0xff, 0xff000000);
742 if (!guest_sprite_surface
) {
743 fprintf(stderr
, "Failed to make rgb surface from %p\n", c
);
746 guest_sprite
= SDL_CreateColorCursor(guest_sprite_surface
,
749 fprintf(stderr
, "Failed to make color cursor from %p\n", c
);
753 (gui_grab
|| qemu_input_is_absolute() || absolute_enabled
)) {
754 SDL_SetCursor(guest_sprite
);
758 static void sdl_cleanup(void)
761 SDL_FreeCursor(guest_sprite
);
763 SDL_QuitSubSystem(SDL_INIT_VIDEO
);
766 static const DisplayChangeListenerOps dcl_ops
= {
768 .dpy_gfx_update
= sdl_update
,
769 .dpy_gfx_switch
= sdl_switch
,
770 .dpy_refresh
= sdl_refresh
,
771 .dpy_mouse_set
= sdl_mouse_warp
,
772 .dpy_cursor_define
= sdl_mouse_define
,
775 void sdl_display_init(DisplayState
*ds
, int full_screen
, int no_frame
)
787 /* on Linux, SDL may use fbcon|directfb|svgalib when run without
788 * accessible $DISPLAY to open X11 window. This is often the case
789 * when qemu is run using sudo. But in this case, and when actually
790 * run in X11 environment, SDL fights with X11 for the video card,
791 * making current display unavailable, often until reboot.
792 * So make x11 the default SDL video driver if this variable is unset.
793 * This is a bit hackish but saves us from bigger problem.
794 * Maybe it's a good idea to fix this in SDL instead.
796 setenv("SDL_VIDEODRIVER", "x11", 0);
799 flags
= SDL_INIT_VIDEO
| SDL_INIT_NOPARACHUTE
;
800 if (SDL_Init(flags
)) {
801 fprintf(stderr
, "Could not initialize SDL(%s) - exiting\n",
807 QemuConsole
*con
= qemu_console_lookup_by_index(i
);
808 if (!con
|| !qemu_console_is_graphic(con
)) {
812 sdl2_num_outputs
= i
;
813 sdl2_console
= g_new0(struct sdl2_state
, sdl2_num_outputs
);
814 for (i
= 0; i
< sdl2_num_outputs
; i
++) {
815 QemuConsole
*con
= qemu_console_lookup_by_index(i
);
816 sdl2_console
[i
].dcl
.ops
= &dcl_ops
;
817 sdl2_console
[i
].dcl
.con
= con
;
818 register_displaychangelistener(&sdl2_console
[i
].dcl
);
819 sdl2_console
[i
].idx
= i
;
822 /* Load a 32x32x4 image. White pixels are transparent. */
823 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, "qemu-icon.bmp");
825 SDL_Surface
*image
= SDL_LoadBMP(filename
);
827 uint32_t colorkey
= SDL_MapRGB(image
->format
, 255, 255, 255);
828 SDL_SetColorKey(image
, SDL_TRUE
, colorkey
);
829 SDL_SetWindowIcon(sdl2_console
[0].real_window
, image
);
839 mouse_mode_notifier
.notify
= sdl_mouse_mode_change
;
840 qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier
);
844 sdl_cursor_hidden
= SDL_CreateCursor(&data
, &data
, 8, 1, 0, 0);
845 sdl_cursor_normal
= SDL_GetCursor();