Merge pull request #94428 from alvinhochun/windows-angle-resize-sync

Windows: Update ANGLE surface size when window is resized

Author: akien-mga

platform/windows/display_server_windows.cpp

@@ -4852,16 +4852,16 @@ LRESULT DisplayServerWindows::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARA
 					rect_changed = true;
 				}
 #if defined(RD_ENABLED)
-				if (rendering_context && window.context_created) {
+				if (window.create_completed && rendering_context && window.context_created) {
 					// Note: Trigger resize event to update swapchains when window is minimized/restored, even if size is not changed.
 					rendering_context->window_set_size(window_id, window.width, window.height);
 				}
 #endif
 #if defined(GLES3_ENABLED)
-				if (gl_manager_native) {
+				if (window.create_completed && gl_manager_native) {
 					gl_manager_native->window_resize(window_id, window.width, window.height);
 				}
-				if (gl_manager_angle) {
+				if (window.create_completed && gl_manager_angle) {
 					gl_manager_angle->window_resize(window_id, window.width, window.height);
 				}
 #endif
@@ -5590,6 +5590,7 @@ DisplayServer::WindowID DisplayServerWindows::_create_window(WindowMode p_mode,
 			SetWindowPos(wd.hWnd, HWND_TOP, srect.position.x, srect.position.y, srect.size.width, srect.size.height, SWP_NOZORDER | SWP_NOACTIVATE);
 		}
 
+		wd.create_completed = true;
 		window_id_counter++;
 	}
 

platform/windows/display_server_windows.h

@@ -441,6 +441,7 @@ class DisplayServerWindows : public DisplayServer {
 
 		Vector<Vector2> mpath;
 
+		bool create_completed = false;
 		bool pre_fs_valid = false;
 		RECT pre_fs_rect;
 		bool maximized = false;

platform/windows/gl_manager_windows_angle.cpp

@@ -67,4 +67,9 @@ Vector<EGLint> GLManagerANGLE_Windows::_get_platform_context_attribs() const {
 	return ret;
 }
 
+void GLManagerANGLE_Windows::window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height) {
+	window_make_current(p_window_id);
+	eglWaitNative(EGL_CORE_NATIVE_ENGINE);
+}
+
 #endif // WINDOWS_ENABLED && GLES3_ENABLED

platform/windows/gl_manager_windows_angle.h

@@ -50,7 +50,7 @@ class GLManagerANGLE_Windows : public EGLManager {
 	virtual Vector<EGLint> _get_platform_context_attribs() const override;
 
 public:
-	void window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height) {}
+	void window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height);
 
 	GLManagerANGLE_Windows(){};
 	~GLManagerANGLE_Windows(){};