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qemu-e2k/ui/sdl2.c
Gerd Hoffmann cb47dc9ab9 sdl2/opengl: add opengl context and scanout support 
This allows virtio-gpu to render in 3d mode.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
2016-01-08 12:20:15 +01:00

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/*
* QEMU SDL display driver
*
* Copyright (c) 2003 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/* Ported SDL 1.2 code to 2.0 by Dave Airlie. */
#include "qemu-common.h"
#include "ui/console.h"
#include "ui/input.h"
#include "ui/sdl2.h"
#include "sysemu/sysemu.h"
static int sdl2_num_outputs;
static struct sdl2_console *sdl2_console;
static SDL_Surface *guest_sprite_surface;
static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
static int gui_saved_grab;
static int gui_fullscreen;
static int gui_noframe;
static int gui_key_modifier_pressed;
static int gui_keysym;
static int gui_grab_code = KMOD_LALT | KMOD_LCTRL;
static SDL_Cursor *sdl_cursor_normal;
static SDL_Cursor *sdl_cursor_hidden;
static int absolute_enabled;
static int guest_cursor;
static int guest_x, guest_y;
static SDL_Cursor *guest_sprite;
static Notifier mouse_mode_notifier;
static void sdl_update_caption(struct sdl2_console *scon);
static struct sdl2_console *get_scon_from_window(uint32_t window_id)
{
int i;
for (i = 0; i < sdl2_num_outputs; i++) {
if (sdl2_console[i].real_window == SDL_GetWindowFromID(window_id)) {
return &sdl2_console[i];
}
}
return NULL;
}
void sdl2_window_create(struct sdl2_console *scon)
{
int flags = 0;
if (!scon->surface) {
return;
}
assert(!scon->real_window);
if (gui_fullscreen) {
flags |= SDL_WINDOW_FULLSCREEN_DESKTOP;
} else {
flags |= SDL_WINDOW_RESIZABLE;
}
if (scon->hidden) {
flags |= SDL_WINDOW_HIDDEN;
}
scon->real_window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
surface_width(scon->surface),
surface_height(scon->surface),
flags);
scon->real_renderer = SDL_CreateRenderer(scon->real_window, -1, 0);
if (scon->opengl) {
scon->winctx = SDL_GL_GetCurrentContext();
}
sdl_update_caption(scon);
}
void sdl2_window_destroy(struct sdl2_console *scon)
{
if (!scon->real_window) {
return;
}
SDL_DestroyRenderer(scon->real_renderer);
scon->real_renderer = NULL;
SDL_DestroyWindow(scon->real_window);
scon->real_window = NULL;
}
void sdl2_window_resize(struct sdl2_console *scon)
{
if (!scon->real_window) {
return;
}
SDL_SetWindowSize(scon->real_window,
surface_width(scon->surface),
surface_height(scon->surface));
}
static void sdl2_redraw(struct sdl2_console *scon)
{
if (scon->opengl) {
#ifdef CONFIG_OPENGL
sdl2_gl_redraw(scon);
#endif
} else {
sdl2_2d_redraw(scon);
}
}
static void sdl_update_caption(struct sdl2_console *scon)
{
char win_title[1024];
char icon_title[1024];
const char *status = "";
if (!runstate_is_running()) {
status = " [Stopped]";
} else if (gui_grab) {
if (alt_grab) {
status = " - Press Ctrl-Alt-Shift to exit grab";
} else if (ctrl_grab) {
status = " - Press Right-Ctrl to exit grab";
} else {
status = " - Press Ctrl-Alt to exit grab";
}
}
if (qemu_name) {
snprintf(win_title, sizeof(win_title), "QEMU (%s-%d)%s", qemu_name,
scon->idx, status);
snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name);
} else {
snprintf(win_title, sizeof(win_title), "QEMU%s", status);
snprintf(icon_title, sizeof(icon_title), "QEMU");
}
if (scon->real_window) {
SDL_SetWindowTitle(scon->real_window, win_title);
}
}
static void sdl_hide_cursor(void)
{
if (!cursor_hide) {
return;
}
if (qemu_input_is_absolute()) {
SDL_ShowCursor(1);
SDL_SetCursor(sdl_cursor_hidden);
} else {
SDL_SetRelativeMouseMode(SDL_TRUE);
}
}
static void sdl_show_cursor(void)
{
if (!cursor_hide) {
return;
}
if (!qemu_input_is_absolute()) {
SDL_SetRelativeMouseMode(SDL_FALSE);
SDL_ShowCursor(1);
if (guest_cursor &&
(gui_grab || qemu_input_is_absolute() || absolute_enabled)) {
SDL_SetCursor(guest_sprite);
} else {
SDL_SetCursor(sdl_cursor_normal);
}
}
}
static void sdl_grab_start(struct sdl2_console *scon)
{
QemuConsole *con = scon ? scon->dcl.con : NULL;
if (!con || !qemu_console_is_graphic(con)) {
return;
}
/*
* If the application is not active, do not try to enter grab state. This
* prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the
* application (SDL bug).
*/
if (!(SDL_GetWindowFlags(scon->real_window) & SDL_WINDOW_INPUT_FOCUS)) {
return;
}
if (guest_cursor) {
SDL_SetCursor(guest_sprite);
if (!qemu_input_is_absolute() && !absolute_enabled) {
SDL_WarpMouseInWindow(scon->real_window, guest_x, guest_y);
}
} else {
sdl_hide_cursor();
}
SDL_SetWindowGrab(scon->real_window, SDL_TRUE);
gui_grab = 1;
sdl_update_caption(scon);
}
static void sdl_grab_end(struct sdl2_console *scon)
{
SDL_SetWindowGrab(scon->real_window, SDL_FALSE);
gui_grab = 0;
sdl_show_cursor();
sdl_update_caption(scon);
}
static void absolute_mouse_grab(struct sdl2_console *scon)
{
int mouse_x, mouse_y;
int scr_w, scr_h;
SDL_GetMouseState(&mouse_x, &mouse_y);
SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h);
if (mouse_x > 0 && mouse_x < scr_w - 1 &&
mouse_y > 0 && mouse_y < scr_h - 1) {
sdl_grab_start(scon);
}
}
static void sdl_mouse_mode_change(Notifier *notify, void *data)
{
if (qemu_input_is_absolute()) {
if (!absolute_enabled) {
absolute_enabled = 1;
absolute_mouse_grab(&sdl2_console[0]);
}
} else if (absolute_enabled) {
if (!gui_fullscreen) {
sdl_grab_end(&sdl2_console[0]);
}
absolute_enabled = 0;
}
}
static void sdl_send_mouse_event(struct sdl2_console *scon, int dx, int dy,
int x, int y, int state)
{
static uint32_t bmap[INPUT_BUTTON__MAX] = {
[INPUT_BUTTON_LEFT] = SDL_BUTTON(SDL_BUTTON_LEFT),
[INPUT_BUTTON_MIDDLE] = SDL_BUTTON(SDL_BUTTON_MIDDLE),
[INPUT_BUTTON_RIGHT] = SDL_BUTTON(SDL_BUTTON_RIGHT),
};
static uint32_t prev_state;
if (prev_state != state) {
qemu_input_update_buttons(scon->dcl.con, bmap, prev_state, state);
prev_state = state;
}
if (qemu_input_is_absolute()) {
int scr_w, scr_h;
int max_w = 0, max_h = 0;
int off_x = 0, off_y = 0;
int cur_off_x = 0, cur_off_y = 0;
int i;
for (i = 0; i < sdl2_num_outputs; i++) {
struct sdl2_console *thiscon = &sdl2_console[i];
if (thiscon->real_window && thiscon->surface) {
SDL_GetWindowSize(thiscon->real_window, &scr_w, &scr_h);
cur_off_x = thiscon->x;
cur_off_y = thiscon->y;
if (scr_w + cur_off_x > max_w) {
max_w = scr_w + cur_off_x;
}
if (scr_h + cur_off_y > max_h) {
max_h = scr_h + cur_off_y;
}
if (i == scon->idx) {
off_x = cur_off_x;
off_y = cur_off_y;
}
}
}
qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_X, off_x + x, max_w);
qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_Y, off_y + y, max_h);
} else {
if (guest_cursor) {
x -= guest_x;
y -= guest_y;
guest_x += x;
guest_y += y;
dx = x;
dy = y;
}
qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_X, dx);
qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_Y, dy);
}
qemu_input_event_sync();
}
static void toggle_full_screen(struct sdl2_console *scon)
{
gui_fullscreen = !gui_fullscreen;
if (gui_fullscreen) {
SDL_SetWindowFullscreen(scon->real_window,
SDL_WINDOW_FULLSCREEN_DESKTOP);
gui_saved_grab = gui_grab;
sdl_grab_start(scon);
} else {
if (!gui_saved_grab) {
sdl_grab_end(scon);
}
SDL_SetWindowFullscreen(scon->real_window, 0);
}
sdl2_redraw(scon);
}
static void handle_keydown(SDL_Event *ev)
{
int mod_state, win;
struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
if (alt_grab) {
mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) ==
(gui_grab_code | KMOD_LSHIFT);
} else if (ctrl_grab) {
mod_state = (SDL_GetModState() & KMOD_RCTRL) == KMOD_RCTRL;
} else {
mod_state = (SDL_GetModState() & gui_grab_code) == gui_grab_code;
}
gui_key_modifier_pressed = mod_state;
if (gui_key_modifier_pressed) {
switch (ev->key.keysym.scancode) {
case SDL_SCANCODE_2:
case SDL_SCANCODE_3:
case SDL_SCANCODE_4:
case SDL_SCANCODE_5:
case SDL_SCANCODE_6:
case SDL_SCANCODE_7:
case SDL_SCANCODE_8:
case SDL_SCANCODE_9:
win = ev->key.keysym.scancode - SDL_SCANCODE_1;
if (win < sdl2_num_outputs) {
sdl2_console[win].hidden = !sdl2_console[win].hidden;
if (sdl2_console[win].real_window) {
if (sdl2_console[win].hidden) {
SDL_HideWindow(sdl2_console[win].real_window);
} else {
SDL_ShowWindow(sdl2_console[win].real_window);
}
}
gui_keysym = 1;
}
break;
case SDL_SCANCODE_F:
toggle_full_screen(scon);
gui_keysym = 1;
break;
case SDL_SCANCODE_U:
sdl2_window_destroy(scon);
sdl2_window_create(scon);
if (!scon->opengl) {
/* re-create scon->texture */
sdl2_2d_switch(&scon->dcl, scon->surface);
}
gui_keysym = 1;
break;
#if 0
case SDL_SCANCODE_KP_PLUS:
case SDL_SCANCODE_KP_MINUS:
if (!gui_fullscreen) {
int scr_w, scr_h;
int width, height;
SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h);
width = MAX(scr_w + (ev->key.keysym.scancode ==
SDL_SCANCODE_KP_PLUS ? 50 : -50),
160);
height = (surface_height(scon->surface) * width) /
surface_width(scon->surface);
fprintf(stderr, "%s: scale to %dx%d\n",
__func__, width, height);
sdl_scale(scon, width, height);
sdl2_redraw(scon);
gui_keysym = 1;
}
#endif
default:
break;
}
}
if (!gui_keysym) {
sdl2_process_key(scon, &ev->key);
}
}
static void handle_keyup(SDL_Event *ev)
{
int mod_state;
struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
if (!alt_grab) {
mod_state = (ev->key.keysym.mod & gui_grab_code);
} else {
mod_state = (ev->key.keysym.mod & (gui_grab_code | KMOD_LSHIFT));
}
if (!mod_state && gui_key_modifier_pressed) {
gui_key_modifier_pressed = 0;
if (gui_keysym == 0) {
/* exit/enter grab if pressing Ctrl-Alt */
if (!gui_grab) {
sdl_grab_start(scon);
} else if (!gui_fullscreen) {
sdl_grab_end(scon);
}
/* SDL does not send back all the modifiers key, so we must
* correct it. */
sdl2_reset_keys(scon);
return;
}
gui_keysym = 0;
}
if (!gui_keysym) {
sdl2_process_key(scon, &ev->key);
}
}
static void handle_textinput(SDL_Event *ev)
{
struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
QemuConsole *con = scon ? scon->dcl.con : NULL;
if (qemu_console_is_graphic(con)) {
return;
}
kbd_put_string_console(con, ev->text.text, strlen(ev->text.text));
}
static void handle_mousemotion(SDL_Event *ev)
{
int max_x, max_y;
struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
if (qemu_input_is_absolute() || absolute_enabled) {
int scr_w, scr_h;
SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h);
max_x = scr_w - 1;
max_y = scr_h - 1;
if (gui_grab && (ev->motion.x == 0 || ev->motion.y == 0 ||
ev->motion.x == max_x || ev->motion.y == max_y)) {
sdl_grab_end(scon);
}
if (!gui_grab &&
(ev->motion.x > 0 && ev->motion.x < max_x &&
ev->motion.y > 0 && ev->motion.y < max_y)) {
sdl_grab_start(scon);
}
}
if (gui_grab || qemu_input_is_absolute() || absolute_enabled) {
sdl_send_mouse_event(scon, ev->motion.xrel, ev->motion.yrel,
ev->motion.x, ev->motion.y, ev->motion.state);
}
}
static void handle_mousebutton(SDL_Event *ev)
{
int buttonstate = SDL_GetMouseState(NULL, NULL);
SDL_MouseButtonEvent *bev;
struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
bev = &ev->button;
if (!gui_grab && !qemu_input_is_absolute()) {
if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) {
/* start grabbing all events */
sdl_grab_start(scon);
}
} else {
if (ev->type == SDL_MOUSEBUTTONDOWN) {
buttonstate |= SDL_BUTTON(bev->button);
} else {
buttonstate &= ~SDL_BUTTON(bev->button);
}
sdl_send_mouse_event(scon, 0, 0, bev->x, bev->y, buttonstate);
}
}
static void handle_mousewheel(SDL_Event *ev)
{
struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
SDL_MouseWheelEvent *wev = &ev->wheel;
InputButton btn;
if (wev->y > 0) {
btn = INPUT_BUTTON_WHEELUP;
} else if (wev->y < 0) {
btn = INPUT_BUTTON_WHEELDOWN;
} else {
return;
}
qemu_input_queue_btn(scon->dcl.con, btn, true);
qemu_input_event_sync();
qemu_input_queue_btn(scon->dcl.con, btn, false);
qemu_input_event_sync();
}
static void handle_windowevent(SDL_Event *ev)
{
struct sdl2_console *scon = get_scon_from_window(ev->window.windowID);
if (!scon) {
return;
}
switch (ev->window.event) {
case SDL_WINDOWEVENT_RESIZED:
{
QemuUIInfo info;
memset(&info, 0, sizeof(info));
info.width = ev->window.data1;
info.height = ev->window.data2;
dpy_set_ui_info(scon->dcl.con, &info);
}
sdl2_redraw(scon);
break;
case SDL_WINDOWEVENT_EXPOSED:
sdl2_redraw(scon);
break;
case SDL_WINDOWEVENT_FOCUS_GAINED:
case SDL_WINDOWEVENT_ENTER:
if (!gui_grab && (qemu_input_is_absolute() || absolute_enabled)) {
absolute_mouse_grab(scon);
}
break;
case SDL_WINDOWEVENT_FOCUS_LOST:
if (gui_grab && !gui_fullscreen) {
sdl_grab_end(scon);
}
break;
case SDL_WINDOWEVENT_RESTORED:
update_displaychangelistener(&scon->dcl, GUI_REFRESH_INTERVAL_DEFAULT);
break;
case SDL_WINDOWEVENT_MINIMIZED:
update_displaychangelistener(&scon->dcl, 500);
break;
case SDL_WINDOWEVENT_CLOSE:
if (!no_quit) {
no_shutdown = 0;
qemu_system_shutdown_request();
}
break;
case SDL_WINDOWEVENT_SHOWN:
if (scon->hidden) {
SDL_HideWindow(scon->real_window);
}
break;
case SDL_WINDOWEVENT_HIDDEN:
if (!scon->hidden) {
SDL_ShowWindow(scon->real_window);
}
break;
}
}
void sdl2_poll_events(struct sdl2_console *scon)
{
SDL_Event ev1, *ev = &ev1;
if (scon->last_vm_running != runstate_is_running()) {
scon->last_vm_running = runstate_is_running();
sdl_update_caption(scon);
}
while (SDL_PollEvent(ev)) {
switch (ev->type) {
case SDL_KEYDOWN:
handle_keydown(ev);
break;
case SDL_KEYUP:
handle_keyup(ev);
break;
case SDL_TEXTINPUT:
handle_textinput(ev);
break;
case SDL_QUIT:
if (!no_quit) {
no_shutdown = 0;
qemu_system_shutdown_request();
}
break;
case SDL_MOUSEMOTION:
handle_mousemotion(ev);
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
handle_mousebutton(ev);
break;
case SDL_MOUSEWHEEL:
handle_mousewheel(ev);
break;
case SDL_WINDOWEVENT:
handle_windowevent(ev);
break;
default:
break;
}
}
}
static void sdl_mouse_warp(DisplayChangeListener *dcl,
int x, int y, int on)
{
struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
if (on) {
if (!guest_cursor) {
sdl_show_cursor();
}
if (gui_grab || qemu_input_is_absolute() || absolute_enabled) {
SDL_SetCursor(guest_sprite);
if (!qemu_input_is_absolute() && !absolute_enabled) {
SDL_WarpMouseInWindow(scon->real_window, x, y);
}
}
} else if (gui_grab) {
sdl_hide_cursor();
}
guest_cursor = on;
guest_x = x, guest_y = y;
}
static void sdl_mouse_define(DisplayChangeListener *dcl,
QEMUCursor *c)
{
if (guest_sprite) {
SDL_FreeCursor(guest_sprite);
}
if (guest_sprite_surface) {
SDL_FreeSurface(guest_sprite_surface);
}
guest_sprite_surface =
SDL_CreateRGBSurfaceFrom(c->data, c->width, c->height, 32, c->width * 4,
0xff0000, 0x00ff00, 0xff, 0xff000000);
if (!guest_sprite_surface) {
fprintf(stderr, "Failed to make rgb surface from %p\n", c);
return;
}
guest_sprite = SDL_CreateColorCursor(guest_sprite_surface,
c->hot_x, c->hot_y);
if (!guest_sprite) {
fprintf(stderr, "Failed to make color cursor from %p\n", c);
return;
}
if (guest_cursor &&
(gui_grab || qemu_input_is_absolute() || absolute_enabled)) {
SDL_SetCursor(guest_sprite);
}
}
static void sdl_cleanup(void)
{
if (guest_sprite) {
SDL_FreeCursor(guest_sprite);
}
SDL_QuitSubSystem(SDL_INIT_VIDEO);
}
static const DisplayChangeListenerOps dcl_2d_ops = {
.dpy_name = "sdl2-2d",
.dpy_gfx_update = sdl2_2d_update,
.dpy_gfx_switch = sdl2_2d_switch,
.dpy_gfx_check_format = sdl2_2d_check_format,
.dpy_refresh = sdl2_2d_refresh,
.dpy_mouse_set = sdl_mouse_warp,
.dpy_cursor_define = sdl_mouse_define,
};
#ifdef CONFIG_OPENGL
static const DisplayChangeListenerOps dcl_gl_ops = {
.dpy_name = "sdl2-gl",
.dpy_gfx_update = sdl2_gl_update,
.dpy_gfx_switch = sdl2_gl_switch,
.dpy_gfx_check_format = console_gl_check_format,
.dpy_refresh = sdl2_gl_refresh,
.dpy_mouse_set = sdl_mouse_warp,
.dpy_cursor_define = sdl_mouse_define,
.dpy_gl_ctx_create = sdl2_gl_create_context,
.dpy_gl_ctx_destroy = sdl2_gl_destroy_context,
.dpy_gl_ctx_make_current = sdl2_gl_make_context_current,
.dpy_gl_ctx_get_current = sdl2_gl_get_current_context,
.dpy_gl_scanout = sdl2_gl_scanout,
.dpy_gl_update = sdl2_gl_scanout_flush,
};
#endif
void sdl_display_early_init(int opengl)
{
switch (opengl) {
case -1: /* default */
case 0: /* off */
break;
case 1: /* on */
#ifdef CONFIG_OPENGL
display_opengl = 1;
#endif
break;
default:
g_assert_not_reached();
break;
}
}
void sdl_display_init(DisplayState *ds, int full_screen, int no_frame)
{
int flags;
uint8_t data = 0;
char *filename;
int i;
if (no_frame) {
gui_noframe = 1;
}
#ifdef __linux__
/* on Linux, SDL may use fbcon|directfb|svgalib when run without
* accessible $DISPLAY to open X11 window. This is often the case
* when qemu is run using sudo. But in this case, and when actually
* run in X11 environment, SDL fights with X11 for the video card,
* making current display unavailable, often until reboot.
* So make x11 the default SDL video driver if this variable is unset.
* This is a bit hackish but saves us from bigger problem.
* Maybe it's a good idea to fix this in SDL instead.
*/
setenv("SDL_VIDEODRIVER", "x11", 0);
#endif
flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
if (SDL_Init(flags)) {
fprintf(stderr, "Could not initialize SDL(%s) - exiting\n",
SDL_GetError());
exit(1);
}
SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "1");
for (i = 0;; i++) {
QemuConsole *con = qemu_console_lookup_by_index(i);
if (!con) {
break;
}
}
sdl2_num_outputs = i;
sdl2_console = g_new0(struct sdl2_console, sdl2_num_outputs);
for (i = 0; i < sdl2_num_outputs; i++) {
QemuConsole *con = qemu_console_lookup_by_index(i);
if (!qemu_console_is_graphic(con)) {
sdl2_console[i].hidden = true;
}
sdl2_console[i].idx = i;
#ifdef CONFIG_OPENGL
sdl2_console[i].opengl = display_opengl;
sdl2_console[i].dcl.ops = display_opengl ? &dcl_gl_ops : &dcl_2d_ops;
#else
sdl2_console[i].opengl = 0;
sdl2_console[i].dcl.ops = &dcl_2d_ops;
#endif
sdl2_console[i].dcl.con = con;
register_displaychangelistener(&sdl2_console[i].dcl);
}
/* Load a 32x32x4 image. White pixels are transparent. */
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu-icon.bmp");
if (filename) {
SDL_Surface *image = SDL_LoadBMP(filename);
if (image) {
uint32_t colorkey = SDL_MapRGB(image->format, 255, 255, 255);
SDL_SetColorKey(image, SDL_TRUE, colorkey);
SDL_SetWindowIcon(sdl2_console[0].real_window, image);
}
g_free(filename);
}
if (full_screen) {
gui_fullscreen = 1;
sdl_grab_start(0);
}
mouse_mode_notifier.notify = sdl_mouse_mode_change;
qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier);
gui_grab = 0;
sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);
sdl_cursor_normal = SDL_GetCursor();
atexit(sdl_cleanup);
}
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