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-rw-r--r--qemu/ui/sdl2.c837
1 files changed, 0 insertions, 837 deletions
diff --git a/qemu/ui/sdl2.c b/qemu/ui/sdl2.c
deleted file mode 100644
index d0424421e..000000000
--- a/qemu/ui/sdl2.c
+++ /dev/null
@@ -1,837 +0,0 @@
-/*
- * 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/osdep.h"
-#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;
-
-#define SDL2_REFRESH_INTERVAL_BUSY 10
-#define SDL2_MAX_IDLE_COUNT (2 * GUI_REFRESH_INTERVAL_DEFAULT \
- / SDL2_REFRESH_INTERVAL_BUSY + 1)
-
-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_WHEEL_UP;
- } else if (wev->y < 0) {
- btn = INPUT_BUTTON_WHEEL_DOWN;
- } 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;
- int idle = 1;
-
- 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:
- idle = 0;
- handle_keydown(ev);
- break;
- case SDL_KEYUP:
- idle = 0;
- handle_keyup(ev);
- break;
- case SDL_TEXTINPUT:
- idle = 0;
- handle_textinput(ev);
- break;
- case SDL_QUIT:
- if (!no_quit) {
- no_shutdown = 0;
- qemu_system_shutdown_request();
- }
- break;
- case SDL_MOUSEMOTION:
- idle = 0;
- handle_mousemotion(ev);
- break;
- case SDL_MOUSEBUTTONDOWN:
- case SDL_MOUSEBUTTONUP:
- idle = 0;
- handle_mousebutton(ev);
- break;
- case SDL_MOUSEWHEEL:
- idle = 0;
- handle_mousewheel(ev);
- break;
- case SDL_WINDOWEVENT:
- handle_windowevent(ev);
- break;
- default:
- break;
- }
- }
-
- if (idle) {
- if (scon->idle_counter < SDL2_MAX_IDLE_COUNT) {
- scon->idle_counter++;
- if (scon->idle_counter >= SDL2_MAX_IDLE_COUNT) {
- scon->dcl.update_interval = GUI_REFRESH_INTERVAL_DEFAULT;
- }
- }
- } else {
- scon->idle_counter = 0;
- scon->dcl.update_interval = SDL2_REFRESH_INTERVAL_BUSY;
- }
-}
-
-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);
-}