/*
* xemu SDL display driver
*
* Copyright (c) 2020 Matt Borgerson
*
* Based on sdl2.c, sdl2-gl.c
*
* 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/module.h"
#include "qemu/thread.h"
#include "qemu/main-loop.h"
#include "qemu/rcu.h"
#include "qemu-version.h"
#include "qemu-common.h"
#include "qapi/error.h"
#include "qapi/qapi-commands-block.h"
#include "qapi/qmp/qdict.h"
#include "ui/console.h"
#include "ui/input.h"
#include "ui/xemu-display.h"
#include "sysemu/runstate.h"
#include "sysemu/sysemu.h"
#include "xemu-hud.h"
#include "xemu-input.h"
#include "xemu-settings.h"
#include "xemu-shaders.h"
#include "xemu-version.h"
#include "hw/xbox/smbus.h" // For eject, drive tray
#include "hw/xbox/nv2a/nv2a.h"
#ifdef _WIN32
// Provide hint to prefer high-performance graphics for hybrid systems
// https://gpuopen.com/learn/amdpowerxpressrequesthighperformance/
__declspec(dllexport) DWORD AmdPowerXpressRequestHighPerformance = 1;
// https://docs.nvidia.com/gameworks/content/technologies/desktop/optimus.htm
__declspec(dllexport) DWORD NvOptimusEnablement = 1;
#endif
void tcg_register_init_ctx(void); // tcg.c
// #define DEBUG_XEMU_C
#ifdef DEBUG_XEMU_C
#define DPRINTF(...) fprintf(stderr, __VA_ARGS__)
#else
#define DPRINTF(...)
#endif
void xb_surface_gl_create_texture(DisplaySurface *surface);
void xb_surface_gl_update_texture(DisplaySurface *surface, int x, int y, int w, int h);
void xb_surface_gl_destroy_texture(DisplaySurface *surface);
static void sleep_ns(int64_t ns);
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_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 SDL_Window *m_window;
static SDL_GLContext m_context;
int scaling_mode = 1;
struct decal_shader *blit;
static QemuSemaphore display_init_sem;
static void toggle_full_screen(struct sdl2_console *scon);
int xemu_is_fullscreen(void)
{
return gui_fullscreen;
}
void xemu_toggle_fullscreen(void)
{
toggle_full_screen(&sdl2_console[0]);
}
#define SDL2_REFRESH_INTERVAL_BUSY 16
#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;
}
#if 0
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;
}
#endif
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) {
sdl2_gl_redraw(scon);
}
}
static void sdl_update_caption(struct sdl2_console *scon)
{
#if 0
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-G to exit grab";
} else if (ctrl_grab) {
status = " - Press Right-Ctrl-G to exit grab";
} else {
status = " - Press Ctrl-Alt-G 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);
}
#endif
}
static void sdl_hide_cursor(struct sdl2_console *scon)
{
if (scon->opts->has_show_cursor && scon->opts->show_cursor) {
return;
}
SDL_ShowCursor(SDL_DISABLE);
SDL_SetCursor(sdl_cursor_hidden);
if (!qemu_input_is_absolute()) {
SDL_SetRelativeMouseMode(SDL_TRUE);
}
}
static void sdl_show_cursor(struct sdl2_console *scon)
{
if (scon->opts->has_show_cursor && scon->opts->show_cursor) {
return;
}
if (!qemu_input_is_absolute()) {
SDL_SetRelativeMouseMode(SDL_FALSE);
}
if (guest_cursor &&
(gui_grab || qemu_input_is_absolute() || absolute_enabled)) {
SDL_SetCursor(guest_sprite);
} else {
SDL_SetCursor(sdl_cursor_normal);
}
SDL_ShowCursor(SDL_ENABLE);
}
static void sdl_grab_start(struct sdl2_console *scon)
{
#if 0
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(scon);
}
SDL_SetWindowGrab(scon->real_window, SDL_TRUE);
gui_grab = 1;
sdl_update_caption(scon);
#endif
}
static void sdl_grab_end(struct sdl2_console *scon)
{
SDL_SetWindowGrab(scon->real_window, SDL_FALSE);
gui_grab = 0;
sdl_show_cursor(scon);
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;
SDL_SetRelativeMouseMode(SDL_FALSE);
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()) {
qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_X,
x, 0, surface_width(scon->surface));
qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_Y,
y, 0, surface_height(scon->surface));
} 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 set_full_screen(struct sdl2_console *scon, bool set)
{
gui_fullscreen = set;
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);
}
// Note: If this gets called while rendering HUD, we will draw twice. Just
// wait for next refresh.
#if 0
sdl2_redraw(scon);
#endif
}
static void toggle_full_screen(struct sdl2_console *scon)
{
set_full_screen(scon, !gui_fullscreen);
}
static int get_mod_state(void)
{
SDL_Keymod mod = SDL_GetModState();
if (alt_grab) {
return (mod & (gui_grab_code | KMOD_LSHIFT)) ==
(gui_grab_code | KMOD_LSHIFT);
} else if (ctrl_grab) {
return (mod & KMOD_RCTRL) == KMOD_RCTRL;
} else {
return (mod & gui_grab_code) == gui_grab_code;
}
}
static void handle_keydown(SDL_Event *ev)
{
int win;
struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
int gui_key_modifier_pressed = get_mod_state();
int gui_keysym = 0;
if (!scon->ignore_hotkeys && gui_key_modifier_pressed && !ev->key.repeat) {
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:
if (gui_grab) {
sdl_grab_end(scon);
}
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_G:
gui_keysym = 1;
if (!gui_grab) {
sdl_grab_start(scon);
} else if (!gui_fullscreen) {
sdl_grab_end(scon);
}
break;
case SDL_SCANCODE_U:
sdl2_window_resize(scon);
gui_keysym = 1;
break;
default:
break;
}
}
if (!gui_keysym) {
sdl2_process_key(scon, &ev->key);
}
}
static void handle_keyup(SDL_Event *ev)
{
struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
scon->ignore_hotkeys = false;
sdl2_process_key(scon, &ev->key);
}
static void handle_textinput(SDL_Event *ev)
{
struct sdl2_console *scon = get_scon_from_window(ev->text.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->motion.windowID);
if (!scon || !qemu_console_is_graphic(scon->dcl.con)) {
return;
}
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 && !gui_fullscreen
&& (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->button.windowID);
if (!scon || !qemu_console_is_graphic(scon->dcl.con)) {
return;
}
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->wheel.windowID);
SDL_MouseWheelEvent *wev = &ev->wheel;
InputButton btn;
if (!scon || !qemu_console_is_graphic(scon->dcl.con)) {
return;
}
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);
bool allow_close = true;
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);
}
/* If a new console window opened using a hotkey receives the
* focus, SDL sends another KEYDOWN event to the new window,
* closing the console window immediately after.
*
* Work around this by ignoring further hotkey events until a
* key is released.
*/
scon->ignore_hotkeys = get_mod_state();
break;
case SDL_WINDOWEVENT_FOCUS_LOST:
if (gui_grab && !gui_fullscreen) {
sdl_grab_end(scon);
}
break;
case SDL_WINDOWEVENT_RESTORED:
break;
case SDL_WINDOWEVENT_MINIMIZED:
break;
case SDL_WINDOWEVENT_CLOSE:
if (qemu_console_is_graphic(scon->dcl.con)) {
if (scon->opts->has_window_close && !scon->opts->window_close) {
allow_close = false;
}
if (allow_close) {
no_shutdown = 0;
qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
}
} else {
SDL_HideWindow(scon->real_window);
scon->hidden = true;
}
break;
case SDL_WINDOWEVENT_SHOWN:
scon->hidden = false;
break;
case SDL_WINDOWEVENT_HIDDEN:
scon->hidden = true;
break;
}
}
void sdl2_poll_events(struct sdl2_console *scon)
{
SDL_Event ev1, *ev = &ev1;
bool allow_close = true;
if (scon->last_vm_running != runstate_is_running()) {
scon->last_vm_running = runstate_is_running();
sdl_update_caption(scon);
}
int kbd = 0, mouse = 0;
xemu_hud_should_capture_kbd_mouse(&kbd, &mouse);
while (SDL_PollEvent(ev)) {
xemu_input_process_sdl_events(ev);
xemu_hud_process_sdl_events(ev);
switch (ev->type) {
case SDL_KEYDOWN:
if (kbd) break;
handle_keydown(ev);
break;
case SDL_KEYUP:
if (kbd) break;
handle_keyup(ev);
break;
case SDL_TEXTINPUT:
if (kbd) break;
handle_textinput(ev);
break;
case SDL_QUIT:
if (scon->opts->has_window_close && !scon->opts->window_close) {
allow_close = false;
}
if (allow_close) {
no_shutdown = 0;
qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
}
break;
case SDL_MOUSEMOTION:
if (mouse) break;
handle_mousemotion(ev);
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
if (mouse) break;
handle_mousebutton(ev);
break;
case SDL_MOUSEWHEEL:
if (mouse) break;
handle_mousewheel(ev);
break;
case SDL_WINDOWEVENT:
handle_windowevent(ev);
break;
default:
break;
}
}
xemu_input_update_controllers();
scon->idle_counter = 0;
scon->dcl.update_interval = 16; // Ignored
}
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 (!qemu_console_is_graphic(scon->dcl.con)) {
return;
}
if (on) {
if (!guest_cursor) {
sdl_show_cursor(scon);
}
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(scon);
}
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);
}
}
#if 0
static void sdl_cleanup(void)
{
if (guest_sprite) {
SDL_FreeCursor(guest_sprite);
}
SDL_QuitSubSystem(SDL_INIT_VIDEO);
}
#endif
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_disable = sdl2_gl_scanout_disable,
.dpy_gl_scanout_texture = sdl2_gl_scanout_texture,
.dpy_gl_update = sdl2_gl_scanout_flush,
};
static void sdl2_display_very_early_init(DisplayOptions *o)
{
#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
if (SDL_Init(SDL_INIT_VIDEO)) {
fprintf(stderr, "Could not initialize SDL(%s) - exiting\n",
SDL_GetError());
exit(1);
}
#ifdef SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR /* only available since SDL 2.0.8 */
SDL_SetHint(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, "0");
#endif
SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "1");
SDL_SetHint(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, "0");
// Initialize rendering context
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
SDL_GL_SetAttribute(
SDL_GL_CONTEXT_PROFILE_MASK,
SDL_GL_CONTEXT_PROFILE_CORE);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
char *title = g_strdup_printf("xemu | v%s"
#if XEMU_DEBUG_BUILD
" Debug"
#endif
, xemu_version);
// Create main window
m_window = SDL_CreateWindow(
title, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1024, 768,
SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
if (m_window == NULL) {
fprintf(stderr, "Failed to create main window\n");
SDL_Quit();
exit(1);
}
g_free(title);
m_context = SDL_GL_CreateContext(m_window);
assert(m_context != NULL);
if (m_context == NULL) {
fprintf(stderr, "%s: Failed to create GL context\n", __func__);
SDL_DestroyWindow(m_window);
SDL_Quit();
exit(1);
}
int width, height, channels = 0;
stbi_set_flip_vertically_on_load(0);
unsigned char *icon_data = stbi_load("./data/xemu_64x64.png", &width, &height, &channels, 4);
if (icon_data) {
SDL_Surface *icon = SDL_CreateRGBSurfaceFrom(icon_data, width, height, 32, width*4,
0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000);
if (icon) {
SDL_SetWindowIcon(m_window, icon);
}
// Note: Retaining the memory allocated by stbi_load. It's used in place
// by the SDL surface.
}
// Initialize offscreen rendering context now
nv2a_gl_context_init();
SDL_GL_MakeCurrent(NULL, NULL);
// FIXME: atexit(sdl_cleanup);
}
static void sdl2_display_early_init(DisplayOptions *o)
{
assert(o->type == DISPLAY_TYPE_XEMU);
display_opengl = 1;
SDL_GL_MakeCurrent(m_window, m_context);
SDL_GL_SetSwapInterval(0);
xemu_hud_init(m_window, m_context);
blit = create_decal_shader(SHADER_TYPE_BLIT);
}
static void sdl2_display_init(DisplayState *ds, DisplayOptions *o)
{
uint8_t data = 0;
int i;
SDL_SysWMinfo info;
assert(o->type == DISPLAY_TYPE_XEMU);
SDL_GL_MakeCurrent(m_window, m_context);
xemu_settings_get_enum(XEMU_SETTINGS_DISPLAY_SCALE, &scaling_mode);
memset(&info, 0, sizeof(info));
SDL_VERSION(&info.version);
gui_fullscreen = o->has_full_screen && o->full_screen;
#if 1
// Explicitly set number of outputs to 1 for a single screen. We don't need
// multiple for now, but maybe in the future debug stuff can go on a second
// screen.
sdl2_num_outputs = 1;
#else
for (i = 0;; i++) {
QemuConsole *con = qemu_console_lookup_by_index(i);
if (!con) {
break;
}
}
sdl2_num_outputs = i;
if (sdl2_num_outputs == 0) {
return;
}
#endif
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);
assert(con != NULL);
if (!qemu_console_is_graphic(con) &&
qemu_console_get_index(con) != 0) {
sdl2_console[i].hidden = true;
}
sdl2_console[i].idx = i;
sdl2_console[i].opts = o;
sdl2_console[i].opengl = 1;
sdl2_console[i].dcl.ops = &dcl_gl_ops;
sdl2_console[i].dcl.con = con;
sdl2_console[i].kbd = qkbd_state_init(con);
register_displaychangelistener(&sdl2_console[i].dcl);
#if defined(SDL_VIDEO_DRIVER_WINDOWS) || defined(SDL_VIDEO_DRIVER_X11)
if (SDL_GetWindowWMInfo(sdl2_console[i].real_window, &info)) {
#if defined(SDL_VIDEO_DRIVER_WINDOWS)
qemu_console_set_window_id(con, (uintptr_t)info.info.win.window);
#elif defined(SDL_VIDEO_DRIVER_X11)
qemu_console_set_window_id(con, info.info.x11.window);
#endif
}
#endif
}
sdl2_console[0].real_window = m_window;
sdl2_console[0].winctx = m_context;
mouse_mode_notifier.notify = sdl_mouse_mode_change;
qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier);
sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);
sdl_cursor_normal = SDL_GetCursor();
/* Tell main thread to go ahead and create the app and enter the run loop */
SDL_GL_MakeCurrent(NULL, NULL);
qemu_sem_post(&display_init_sem);
}
static QemuDisplay qemu_display_sdl2 = {
.type = DISPLAY_TYPE_XEMU,
.early_init = sdl2_display_early_init,
.init = sdl2_display_init,
};
static void register_sdl1(void)
{
qemu_display_register(&qemu_display_sdl2);
}
type_init(register_sdl1);
void xb_surface_gl_create_texture(DisplaySurface *surface)
{
// assert(gls);
assert(QEMU_IS_ALIGNED(surface_stride(surface), surface_bytes_per_pixel(surface)));
switch (surface->format) {
case PIXMAN_BE_b8g8r8x8:
case PIXMAN_BE_b8g8r8a8:
surface->glformat = GL_BGRA_EXT;
surface->gltype = GL_UNSIGNED_BYTE;
break;
case PIXMAN_BE_x8r8g8b8:
case PIXMAN_BE_a8r8g8b8:
surface->glformat = GL_RGBA;
surface->gltype = GL_UNSIGNED_BYTE;
break;
case PIXMAN_r5g6b5:
surface->glformat = GL_RGB;
surface->gltype = GL_UNSIGNED_SHORT_5_6_5;
break;
default:
g_assert_not_reached();
}
glGenTextures(1, &surface->texture);
// glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, surface->texture);
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT,
surface_stride(surface) / surface_bytes_per_pixel(surface));
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
surface_width(surface),
surface_height(surface),
0, surface->glformat, surface->gltype,
surface_data(surface));
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
}
void xb_surface_gl_update_texture(DisplaySurface *surface, int x, int y, int w, int h)
{
uint8_t *data = (void *)surface_data(surface);
if (surface->texture) {
glBindTexture(GL_TEXTURE_2D, surface->texture);
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT,
surface_stride(surface)
/ surface_bytes_per_pixel(surface));
glTexSubImage2D(GL_TEXTURE_2D, 0,
x, y, w, h,
surface->glformat, surface->gltype,
data + surface_stride(surface) * y
+ surface_bytes_per_pixel(surface) * x);
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0);
}
}
void xb_surface_gl_destroy_texture(DisplaySurface *surface)
{
if (!surface || !surface->texture) {
return;
}
glDeleteTextures(1, &surface->texture);
surface->texture = 0;
}
#if 0
static void sdl2_set_scanout_mode(struct sdl2_console *scon, bool scanout)
{
if (scon->scanout_mode == scanout) {
return;
}
scon->scanout_mode = scanout;
if (!scon->scanout_mode) {
egl_fb_destroy(&scon->guest_fb);
if (scon->surface) {
surface_gl_destroy_texture(scon->surface);
surface_gl_create_texture(scon->surface);
}
}
}
#endif
void sdl2_gl_update(DisplayChangeListener *dcl,
int x, int y, int w, int h)
{
struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
assert(scon->opengl);
SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
}
void sdl2_gl_switch(DisplayChangeListener *dcl,
DisplaySurface *new_surface)
{
struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
DisplaySurface *old_surface = scon->surface;
assert(scon->opengl);
SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
scon->surface = new_surface;
if (!new_surface) {
// qemu_gl_fini_shader(scon->gls);
// scon->gls = NULL;
// sdl2_window_destroy(scon);
return;
}
if (!scon->real_window) {
// sdl2_window_create(scon);
scon->real_window = m_window;
scon->winctx = m_context;
SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
// scon->gls = qemu_gl_init_shader();
} else if (old_surface &&
((surface_width(old_surface) != surface_width(new_surface)) ||
(surface_height(old_surface) != surface_height(new_surface)))) {
// sdl2_window_resize(scon);
}
}
float fps = 1.0;
static void update_fps(void)
{
static int64_t last_update = 0;
const float r = 0.5;//0.1;
static float avg = 1.0;
int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
float ms = ((float)(now-last_update)/1000000.0);
last_update = now;
if (fabs(avg-ms) > 0.25*avg) avg = ms;
else avg = avg*(1.0-r)+ms*r;
fps = 1000.0/avg;
}
void sdl2_gl_refresh(DisplayChangeListener *dcl)
{
struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
assert(scon->opengl);
bool flip_required = false;
update_fps();
/* XXX: Note that this bypasses the usual VGA path in order to quickly
* get the surface. This is simple and fast, at the cost of accuracy.
* Ideally, this should go through the VGA code and opportunistically pull
* the surface like this, but handle the VGA logic as well. For now, just
* use this fast path to handle the common case.
*
* In the event the surface is not found in the surface cache, e.g. when
* the guest code isn't using HW accelerated rendering, but just blitting
* to the framebuffer, fall back to the VGA path.
*/
GLuint tex = nv2a_get_framebuffer_surface();
if (tex == 0) {
if (scon->surface) {
xb_surface_gl_destroy_texture(scon->surface);
}
xb_surface_gl_create_texture(scon->surface);
scon->updates++;
tex = scon->surface->texture;
flip_required = true;
}
/* FIXME: Finer locking. Event handlers in segments of the code expect
* to be running on the main thread with the BQL. For now, acquire the
* lock and perform rendering, but release before swap to avoid
* possible lengthy blocking (for vsync).
*/
qemu_mutex_lock_main_loop();
qemu_mutex_lock_iothread();
sdl2_poll_events(scon);
SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, tex);
// Get texture dimensions
int tw, th;
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &tw);
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &th);
// Get window dimensions
int ww, wh;
SDL_GL_GetDrawableSize(scon->real_window, &ww, &wh);
// Calculate scaling factors
float scale[2];
if (scaling_mode == DISPLAY_SCALE_STRETCH) {
// Stretch to fit
scale[0] = 1.0;
scale[1] = 1.0;
} else if (scaling_mode == DISPLAY_SCALE_CENTER) {
// Centered
scale[0] = (float)tw/(float)ww;
scale[1] = (float)th/(float)wh;
} else {
// Scale to fit
float t_ratio = (float)tw/(float)th;
float w_ratio = (float)ww/(float)wh;
if (w_ratio >= t_ratio) {
scale[0] = t_ratio/w_ratio;
scale[1] = 1.0;
} else {
scale[0] = 1.0;
scale[1] = w_ratio/t_ratio;
}
}
// Render framebuffer and GUI
struct decal_shader *s = blit;
s->flip = flip_required;
glViewport(0, 0, ww, wh);
glUseProgram(s->prog);
glBindVertexArray(s->vao);
glUniform1i(s->FlipY_loc, s->flip);
glUniform4f(s->ScaleOffset_loc, scale[0], scale[1], 0, 0);
glUniform4f(s->TexScaleOffset_loc, 1.0, 1.0, 0, 0);
glUniform1i(s->tex_loc, 0);
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT);
glDrawElements(GL_TRIANGLE_FAN, 4, GL_UNSIGNED_INT, NULL);
xemu_hud_render();
// GLsync fence = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
// int result = glClientWaitSync(fence, GL_SYNC_FLUSH_COMMANDS_BIT, (GLuint64)(5000000000));
// assert(result == GL_CONDITION_SATISFIED || result == GL_ALREADY_SIGNALED);
// glDeleteSync(fence);
// Release BQL before swapping (which may sleep if swap interval is not immediate)
qemu_mutex_unlock_iothread();
qemu_mutex_unlock_main_loop();
SDL_GL_SwapWindow(scon->real_window);
/* VGA update (see note above) + vblank */
qemu_mutex_lock_main_loop();
qemu_mutex_lock_iothread();
graphic_hw_update(scon->dcl.con);
if (scon->updates && scon->surface) {
scon->updates = 0;
}
qemu_mutex_unlock_iothread();
qemu_mutex_unlock_main_loop();
/*
* Throttle to make sure swaps happen at 60Hz
*/
static int64_t last_update = 0;
int64_t deadline = last_update + 16666666;
int64_t sleep_acc = 0;
int64_t spin_acc = 0;
#ifndef _WIN32
const int64_t sleep_threshold = 2000000;
#else
const int64_t sleep_threshold = 250000;
#endif
while (1) {
int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
int64_t time_remaining = deadline - now;
if (now < deadline) {
if (time_remaining > sleep_threshold) {
// Try to sleep until the until reaching the sleep threshold.
sleep_ns(time_remaining - sleep_threshold);
sleep_acc += qemu_clock_get_ns(QEMU_CLOCK_REALTIME)-now;
} else {
// Simply spin to avoid extra delays incurred with swapping to
// another process and back in the event of being within
// threshold to desired event.
spin_acc++;
}
} else {
DPRINTF("zzZz %g %ld\n", (double)sleep_acc/1000000.0, spin_acc);
last_update = now;
break;
}
}
}
void sdl2_gl_redraw(struct sdl2_console *scon)
{
assert(scon->opengl);
if (scon->scanout_mode) {
assert(0);
/* sdl2_gl_scanout_flush actually only care about
* the first argument. */
// return sdl2_gl_scanout_flush(&scon->dcl, 0, 0, 0, 0);
}
if (scon->surface) {
// xemu_sdl2_gl_render_surface(scon);
}
}
QEMUGLContext sdl2_gl_create_context(DisplayChangeListener *dcl,
QEMUGLParams *params)
{
struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
SDL_GLContext ctx;
assert(0);
assert(scon->opengl);
SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
SDL_GL_SetAttribute(SDL_GL_SHARE_WITH_CURRENT_CONTEXT, 1);
if (scon->opts->gl == DISPLAYGL_MODE_ON ||
scon->opts->gl == DISPLAYGL_MODE_CORE) {
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK,
SDL_GL_CONTEXT_PROFILE_CORE);
} else if (scon->opts->gl == DISPLAYGL_MODE_ES) {
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK,
SDL_GL_CONTEXT_PROFILE_ES);
}
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, params->major_ver);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, params->minor_ver);
ctx = SDL_GL_CreateContext(scon->real_window);
/* If SDL fail to create a GL context and we use the "on" flag,
* then try to fallback to GLES.
*/
if (!ctx && scon->opts->gl == DISPLAYGL_MODE_ON) {
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK,
SDL_GL_CONTEXT_PROFILE_ES);
ctx = SDL_GL_CreateContext(scon->real_window);
}
return (QEMUGLContext)ctx;
}
void sdl2_gl_destroy_context(DisplayChangeListener *dcl, QEMUGLContext ctx)
{
SDL_GLContext sdlctx = (SDL_GLContext)ctx;
SDL_GL_DeleteContext(sdlctx);
}
int sdl2_gl_make_context_current(DisplayChangeListener *dcl,
QEMUGLContext ctx)
{
struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
SDL_GLContext sdlctx = (SDL_GLContext)ctx;
assert(scon->opengl);
return SDL_GL_MakeCurrent(scon->real_window, sdlctx);
}
QEMUGLContext sdl2_gl_get_current_context(DisplayChangeListener *dcl)
{
SDL_GLContext sdlctx;
sdlctx = SDL_GL_GetCurrentContext();
return (QEMUGLContext)sdlctx;
}
void sdl2_gl_scanout_disable(DisplayChangeListener *dcl)
{
assert(0);
#if 0
struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
assert(scon->opengl);
scon->w = 0;
scon->h = 0;
sdl2_set_scanout_mode(scon, false);
#endif
}
void sdl2_gl_scanout_texture(DisplayChangeListener *dcl,
uint32_t backing_id,
bool backing_y_0_top,
uint32_t backing_width,
uint32_t backing_height,
uint32_t x, uint32_t y,
uint32_t w, uint32_t h)
{
assert(0);
#if 0
struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
assert(scon->opengl);
scon->x = x;
scon->y = y;
scon->w = w;
scon->h = h;
scon->y0_top = backing_y_0_top;
SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
sdl2_set_scanout_mode(scon, true);
egl_fb_setup_for_tex(&scon->guest_fb, backing_width, backing_height,
backing_id, false);
#endif
}
void sdl2_gl_scanout_flush(DisplayChangeListener *dcl,
uint32_t x, uint32_t y, uint32_t w, uint32_t h)
{
assert(0);
#if 0
struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
int ww, wh;
assert(scon->opengl);
if (!scon->scanout_mode) {
return;
}
if (!scon->guest_fb.framebuffer) {
return;
}
SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
SDL_GetWindowSize(scon->real_window, &ww, &wh);
egl_fb_setup_default(&scon->win_fb, ww, wh);
egl_fb_blit(&scon->win_fb, &scon->guest_fb, !scon->y0_top);
SDL_GL_SwapWindow(scon->real_window);
#endif
}
// sdl2-input.c
void sdl2_process_key(struct sdl2_console *scon,
SDL_KeyboardEvent *ev)
{
int qcode;
QemuConsole *con = scon->dcl.con;
if (ev->keysym.scancode >= qemu_input_map_usb_to_qcode_len) {
return;
}
qcode = qemu_input_map_usb_to_qcode[ev->keysym.scancode];
qkbd_state_key_event(scon->kbd, qcode, ev->type == SDL_KEYDOWN);
if (!qemu_console_is_graphic(con)) {
bool ctrl = qkbd_state_modifier_get(scon->kbd, QKBD_MOD_CTRL);
if (ev->type == SDL_KEYDOWN) {
switch (qcode) {
case Q_KEY_CODE_RET:
kbd_put_keysym_console(con, '\n');
break;
default:
kbd_put_qcode_console(con, qcode, ctrl);
break;
}
}
}
}
int gArgc;
char **gArgv;
// vl.c
int qemu_main(int argc, char **argv, char **envp);
static void *call_qemu_main(void *opaque)
{
int status;
DPRINTF("Second thread: calling qemu_main()\n");
status = qemu_main(gArgc, gArgv, NULL);
DPRINTF("Second thread: qemu_main() returned, exiting\n");
exit(status);
}
/* Note: only supports millisecond resolution on Windows */
static void sleep_ns(int64_t ns)
{
#ifndef _WIN32
struct timespec sleep_delay, rem_delay;
sleep_delay.tv_sec = ns / 1000000000LL;
sleep_delay.tv_nsec = ns % 1000000000LL;
nanosleep(&sleep_delay, &rem_delay);
#else
Sleep(ns / SCALE_MS);
#endif
}
int main(int argc, char **argv)
{
QemuThread thread;
DPRINTF("Entered main()\n");
gArgc = argc;
gArgv = argv;
sdl2_display_very_early_init(NULL);
qemu_sem_init(&display_init_sem, 0);
qemu_thread_create(&thread, "qemu_main", call_qemu_main,
NULL, QEMU_THREAD_DETACHED);
DPRINTF("Main thread: waiting for display_init_sem\n");
qemu_sem_wait(&display_init_sem);
gui_grab = 0;
if (gui_fullscreen) {
sdl_grab_start(0);
set_full_screen(&sdl2_console[0], gui_fullscreen);
}
/*
* FIXME: May want to create a callback mechanism for main QEMU thread
* to just run functions to avoid TLS bugs and locking issues.
*/
tcg_register_init_ctx();
// rcu_register_thread();
DPRINTF("Main thread: initializing app\n");
while (1) {
sdl2_gl_refresh(&sdl2_console[0].dcl);
}
// rcu_unregister_thread();
}
void xemu_eject_disc(void)
{
xbox_smc_eject_button();
// Xbox software may request that the drive open, but do it now anyway
Error *err = NULL;
qmp_eject(true, "ide0-cd1", false, NULL, true, false, &err);
xbox_smc_update_tray_state();
}
void xemu_load_disc(const char *path)
{
// Ensure an eject sequence is always triggered so Xbox software reloads
xbox_smc_eject_button();
Error *err = NULL;
qmp_blockdev_change_medium(true, "ide0-cd1", false, NULL, path,
false, "", false, 0,
&err);
xbox_smc_update_tray_state();
}