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[macOS] Fix OpenGL flickering.

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Fix incorrect context usage for off-screen drawing.
Remove kCGLCEMPEngine, which is causing flicker.
Disable window redraw during resize, when rendering in the separate thread.
This commit is contained in:
bruvzg 2021-12-18 20:34:32 +02:00
parent e937963007
commit ccdf1a9934
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GPG key ID: 7960FCF39844EC38
2 changed files with 12 additions and 7 deletions
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1
platform/osx/os_osx.h
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@ -78,6 +78,7 @@ public:
int key_event_pos;
bool force_quit;
bool is_resizing = false;
// rasterizer seems to no longer be given to visual server, its using GLES3 directly?
//Rasterizer *rasterizer;
VisualServer *visual_server;

18
platform/osx/os_osx.mm
View file

@ -371,6 +371,14 @@ static NSCursor *cursorFromSelector(SEL selector, SEL fallback = nil) {
}
}
- (void)windowWillStartLiveResize:(NSNotification *)notification {
OS_OSX::singleton->is_resizing = true;
}
- (void)windowDidEndLiveResize:(NSNotification *)notification {
OS_OSX::singleton->is_resizing = false;
}
- (void)windowDidResize:(NSNotification *)notification {
[OS_OSX::singleton->context update];
@ -1676,11 +1684,6 @@ Error OS_OSX::initialize(const VideoMode &p_desired, int p_video_driver, int p_a
CGLSetParameter((CGLContextObj)[context CGLContextObj], kCGLCPSurfaceBackingSize, &dim[0]);
CGLEnable((CGLContextObj)[context CGLContextObj], kCGLCESurfaceBackingSize);
if (get_render_thread_mode() != RENDER_THREAD_UNSAFE) {
CGLError err = CGLEnable((CGLContextObj)[context CGLContextObj], kCGLCEMPEngine); // Enable multithreading.
ERR_FAIL_COND_V(err != kCGLNoError, ERR_UNAVAILABLE);
}
set_use_vsync(p_desired.use_vsync);
if (!is_no_window_mode_enabled()) {
@ -2440,7 +2443,7 @@ bool OS_OSX::is_offscreen_gl_available() const {
void OS_OSX::set_offscreen_gl_current(bool p_current) {
if (p_current) {
[context makeCurrentContext];
[context_offscreen makeCurrentContext];
} else {
[NSOpenGLContext clearCurrentContext];
}
@ -3309,8 +3312,9 @@ void OS_OSX::force_process_input() {
void OS_OSX::pre_wait_observer_cb(CFRunLoopObserverRef p_observer, CFRunLoopActivity p_activiy, void *p_context) {
// Prevent main loop from sleeping and redraw window during resize / modal popups.
// Do not redraw when rendering is done from the separate thread, it will conflict with the OpenGL context updates triggered by window view resize.
if (get_singleton()->get_main_loop()) {
if (get_singleton()->get_main_loop() && (get_singleton()->get_render_thread_mode() != RENDER_SEPARATE_THREAD || !OS_OSX::singleton->is_resizing)) {
Main::force_redraw();
if (!Main::is_iterating()) { // Avoid cyclic loop.
Main::iteration();