Merge pull request #9823 from BastiaanOlij/ios_fix_framebuffer_order

Fixed setting our system_fbo framebuffer

platform/iphone/os_iphone.cpp

@@ -109,7 +109,6 @@ void OSIPhone::initialize(const VideoMode &p_desired, int p_video_driver, int p_
 
 	RasterizerGLES3::register_config();
 	RasterizerGLES3::make_current();
-	RasterizerStorageGLES3::system_fbo = gl_view_base_fb;
 
 	visual_server = memnew(VisualServerRaster());
 	/*
@@ -122,6 +121,9 @@ void OSIPhone::initialize(const VideoMode &p_desired, int p_video_driver, int p_
 	visual_server->init();
 	visual_server->cursor_set_visible(false, 0);
 
+	// reset this to what it should be, it will have been set to 0 after visual_server->init() is called
+	RasterizerStorageGLES3::system_fbo = gl_view_base_fb;
+
 	audio_driver = memnew(AudioDriverIphone);
 	audio_driver->set_singleton();
 	audio_driver->init();
@@ -434,7 +436,8 @@ bool OSIPhone::can_draw() const {
 
 int OSIPhone::set_base_framebuffer(int p_fb) {
 
-	RasterizerStorageGLES3::system_fbo = gl_view_base_fb;
+	// gl_view_base_fb has not been updated yet
+	RasterizerStorageGLES3::system_fbo = p_fb;
 
 	return 0;
 };