static void opengl_swap_synchronous(void)
{
if (g_sync_method == SYNC_SWAP) {
swap_opengl_buffers();
} else if (g_sync_method == SYNC_SWAP_FINISH) {
swap_opengl_buffers();
gl_finish();
} else if (g_sync_method == SYNC_FINISH_SWAP_FINISH) {
gl_finish();
swap_opengl_buffers();
gl_finish();
} else if (g_sync_method == SYNC_SLEEP_SWAP_FINISH) {
sleep_until_vsync();
swap_opengl_buffers();
gl_finish();
} else if (g_sync_method == SYNC_FINISH_SLEEP_SWAP_FINISH) {
gl_finish();
sleep_until_vsync();
swap_opengl_buffers();
gl_finish();
} else if (g_sync_method == SYNC_SWAP_FENCE) {
swap_opengl_buffers();
opengl_fence(FENCE_SET);
glFlush();
opengl_fence(FENCE_WAIT);
} else if (g_sync_method == SYNC_SWAP_SLEEP_FENCE) {
swap_opengl_buffers();
sleep_until_vsync();
opengl_fence(FENCE_SET);
glFlush();
opengl_fence(FENCE_WAIT);
}
}
void fs_ml_render_iteration() {
static int first = 1;
if (first) {
first = 0;
initialize_opengl_sync();
}
if (g_fs_ml_vblank_sync) {
render_iteration_vsync();
}
else if (g_fs_ml_benchmarking) {
update_frame();
render_frame();
swap_opengl_buffers();
}
else {
// when vsync is off, we wait until a new frame is ready and
// then we display it immediately
if (fs_ml_is_quitting()) {
// but when the emulation is quitting, we can't expect any new
// frames so there's no point waiting for them. Instead, we just
// sleep a bit to throttle the frame rate for the quit animation
fs_ml_usleep(10000);
} else {
// wait max 33 ms to allow the user interface to work even if
// the emu hangs
// int64_t dest_time = fs_get_real_time() + 33 * 1000;
int64_t end_time = fs_condition_get_wait_end_time(33 * 1000);
int64_t check_time = 0;
fs_mutex_lock(g_frame_available_mutex);
// fs_log("cond wait until %lld\n", end_time);
while (g_rendered_frame == g_available_frame) {
fs_condition_wait_until(
g_frame_available_cond, g_frame_available_mutex, end_time);
check_time = fs_condition_get_wait_end_time(0);
if (check_time >= end_time) {
// fs_log("timed out at %lld\n", check_time);
break;
} else {
// fs_log("wake-up at %lld (end_time = %lld)\n", check_time, end_time);
}
}
fs_mutex_unlock(g_frame_available_mutex);
}
update_frame();
render_frame();
swap_opengl_buffers();
//gl_finish();
}
if (g_fs_ml_video_screenshot_path) {
fs_mutex_lock(g_fs_ml_video_screenshot_mutex);
if (g_fs_ml_video_screenshot_path) {
save_screenshot_of_opengl_framebuffer(
g_fs_ml_video_screenshot_path);
g_free(g_fs_ml_video_screenshot_path);
g_fs_ml_video_screenshot_path = NULL;
}
fs_mutex_unlock(g_fs_ml_video_screenshot_mutex);
}
if (g_fs_ml_video_post_render_function) {
g_fs_ml_video_post_render_function();
}
}
