void vsyncarch_presync(void)
{
/* Update mouse */
mouse_update_mouse();
/* Flush keypresses emulated through the keyboard buffer. */
kbdbuf_flush();
joystick_update();
}
void vsyncarch_presync(void)
{
#if defined(HAVE_MOUSE) && !defined(MACOSX_COCOA)
{
extern void x11_lightpen_update(void);
x11_lightpen_update();
}
#endif /* HAVE_MOUSE !MACOSX_COCOA */
kbdbuf_flush();
#ifdef HAS_JOYSTICK
joystick();
#endif
}
void vsyncarch_presync(void)
{
#if defined(GP2X) || defined(WIZ)
(*ui_dispatch_hook)();
#endif
#if defined(HAVE_MOUSE) && !defined(GP2X) && !defined(WIZ) && !defined(MACOSX_COCOA)
{
extern void x11_lightpen_update(void);
x11_lightpen_update();
}
#endif /* HAVE_MOUSE !GP2X !WIZ !MACOSX_COCOA */
kbdbuf_flush();
#ifdef HAS_JOYSTICK
joystick();
#endif
}
/* Feed `string' into the incoming queue. */
static int string_to_queue(const char *string)
{
const int num = (int)strlen(string);
int i, p;
if ((num_pending + num) > QUEUE_SIZE || !kbd_buf_enabled) {
return -1;
}
for (p = (head_idx + num_pending) % QUEUE_SIZE, i = 0;
i < num; p = (p + 1) % QUEUE_SIZE, i++) {
queue[p] = string[i];
/* printf("string_to_queue %d:'%c'\n",p,queue[p]); */
}
num_pending += num;
kbdbuf_flush();
return 0;
}
/* Feed `s' into the queue. */
int kbdbuf_feed(const char *string)
{
const int num = strlen(string);
int i, p;
if (num_pending + num > QUEUE_SIZE || !kbd_buf_enabled)
return -1;
for (p = (head_idx + num_pending) % QUEUE_SIZE, i = 0;
i < num; p = (p + 1) % QUEUE_SIZE, i++) {
queue[p] = string[i];
}
num_pending += num;
/* XXX: We waste time this way, as we copy into the queue and then into
memory. */
kbdbuf_flush();
return 0;
}
/* This is called at the end of each screen frame. It flushes the audio buffer
and keeps control of the emulation speed. */
int vsync_do_vsync(int been_skipped)
{
static unsigned short frame_counter = USHRT_MAX;
static unsigned short num_skipped_frames;
static int skip_counter;
int skip_next_frame = 0;
vsync_hook();
if (been_skipped) num_skipped_frames++;
if (timer_speed != relative_speed) {
frame_counter = USHRT_MAX;
if (set_timer_speed(relative_speed) < 0) {
log_error(LOG_DEFAULT, "Trouble setting timers... giving up.");
/* FIXME: Hm, maybe we should be smarter. But this is should
never happen.*/
exit(-1);
}
}
if (warp_mode_enabled) {
/* "Warp Mode". Just skip as many frames as possible and do not
limit the maximum speed at all. */
if (skip_counter < MAX_SKIPPED_FRAMES) {
skip_next_frame = 1;
skip_counter++;
}
else skip_counter = elapsed_frames = 0;
sound_flush(0);
}
else
if (refresh_rate != 0) {
update_elapsed_frames(0); /* Fixed refresh rate. */
if (timer_speed && skip_counter >= elapsed_frames) timer_sleep();
if (skip_counter < refresh_rate - 1) {
skip_next_frame = 1;
skip_counter++;
}
else skip_counter = elapsed_frames = 0;
patch_timer(sound_flush(relative_speed));
}
else
{
/* Dynamically adjusted refresh rate. */
update_elapsed_frames(0);
if (skip_counter >= elapsed_frames) {
elapsed_frames = -1;
timer_sleep();
skip_counter = 0;
}
else
if (skip_counter < MAX_SKIPPED_FRAMES) {
skip_next_frame = 1;
skip_counter++;
}
else skip_counter = elapsed_frames = 0;
patch_timer(sound_flush(relative_speed));
}
if (frame_counter >= refresh_frequency * 2) {
display_speed(frame_counter + 1 - num_skipped_frames);
num_skipped_frames = 0;
frame_counter = 0;
} else
frame_counter++;
kbdbuf_flush();
#ifdef HAS_JOYSTICK
joystick_update();
#endif
return skip_next_frame;
}
int vsync_do_vsync(struct video_canvas_s *canvas, int been_skipped)
{
int skip_next_frame = 0;
int frame_delay;
int now, dopoll;
/* this can happen in some rare cases; make sure emulation stops then */
while (EmuPaused != 0) {
ui_poll(1);
}
if (FullScreenMode != 0) {
EmuWindowHasInputFocus = 1;
} else {
RO_Caret caret;
Wimp_GetCaretPosition(&caret);
/* This will be used by keyboard and joystick code */
EmuWindowHasInputFocus = (canvas_for_handle(caret.WHandle) == NULL) ? 0 : 1;
}
now = OS_ReadMonotonicTime();
if (warp_mode_enabled) {
if (skip_counter < MaxSkippedFrames) {
skip_next_frame = 1;
skip_counter++;
} else {
skip_counter = 0;
}
} else if (refresh_rate != 0) {
if (skip_counter < refresh_rate - 1) {
skip_next_frame = 1;
skip_counter++;
} else {
skip_counter = 0;
}
} else {
/* Use NumberOfFrames+1 because this frame isn't counted yet */
if ((VSYNC_TIME_DELTA(now, NumberOfFrames+1) < 0) && (skip_counter < MaxSkippedFrames)) {
skip_next_frame = 1;
skip_counter++;
} else {
skip_counter = 0;
}
}
/* always pass the actual speed unless in reSID mode */
frame_delay = sound_flush();
if (frame_counter >= refresh_frequency * 2) {
num_skipped_frames = 0;
frame_counter = 0;
} else {
frame_counter++;
}
if (skip_next_frame == 0) {
NumberOfRefreshes++;
}
vsync_hook();
joystick();
mousedrv_sync();
NumberOfFrames += 1 - frame_delay;
/* Speed limiter? Wait */
if ((CurrentSpeedLimit != 0) && (warp_mode_enabled == 0)) {
while (VSYNC_TIME_DELTA(now, NumberOfFrames) > 0) {
now = OS_ReadMonotonicTime();
}
}
LastFrame = now;
if (speed_eval_suspended) {
vsync_resync_speed();
speed_eval_suspended = 0;
} else {
if ((now - LastSpeed) >= SpeedEvery) {
int val;
RelativeSpeed = (10000 * NumberOfFrames) / (FramesPerSecond * (now - LastSpeed));
ui_display_speed(RelativeSpeed, (100 * NumberOfRefreshes) / (now - LastSpeed), 0);
LastSpeed = now;
NumberOfFrames = 0;
NumberOfRefreshes = 0;
resources_get_int("MachineVideoStandard", &val);
FramesPerSecond = (val == MACHINE_SYNC_PAL) ? 50 : 60;
}
}
dopoll = 0;
if ((now - LastPoll) >= PollEvery) {
dopoll = 1;
LastPoll = now;
}
ui_poll(dopoll);
video_full_screen_plot_status();
kbdbuf_flush();
return skip_next_frame;
}