Moved to using NSOpenGLView.

README.md

@@ -96,6 +96,7 @@ GLFW bundles a number of dependencies in the `deps/` directory.
  - Bugfix: The cursor was not positioned over newly created full screen windows
  - [Cocoa] Added `_GLFW_USE_RETINA` to control whether windows will use the full
            resolution on Retina displays
+ - [Cocoa] Made content view subclass of `NSOpenGLView`
  - [Cocoa] Bugfix: Using a 1x1 cursor for hidden mode caused some screen
                    recorders to fail
  - [Cocoa] Bugfix: Some Core Foundation objects were leaked during joystick

src/cocoa_window.m

@@ -167,8 +167,6 @@ static NSRect convertRectToBacking(_GLFWwindow* window, NSRect contentRect)
 
 - (void)windowDidResize:(NSNotification *)notification
 {
-    [window->nsgl.context update];
-
     const NSRect contentRect = [window->ns.view frame];
     const NSRect fbRect = convertRectToBacking(window, contentRect);
 
@@ -182,8 +180,6 @@ static NSRect convertRectToBacking(_GLFWwindow* window, NSRect contentRect)
 
 - (void)windowDidMove:(NSNotification *)notification
 {
-    [window->nsgl.context update];
-
     int x, y;
     _glfwPlatformGetWindowPos(window, &x, &y);
     _glfwInputWindowPos(window, x, y);
@@ -304,7 +300,7 @@ static int translateKey(unsigned int key)
 // Content view class for the GLFW window
 //------------------------------------------------------------------------
 
-@interface GLFWContentView : NSView
+@interface GLFWContentView : NSOpenGLView
 {
     _GLFWwindow* window;
     NSTrackingArea* trackingArea;
@@ -332,7 +328,8 @@ static int translateKey(unsigned int key)
 
 - (id)initWithGlfwWindow:(_GLFWwindow *)initWindow
 {
-    self = [super init];
+    self = [super initWithFrame:NSMakeRect(0, 0, 1, 1)
+                    pixelFormat:nil];
     if (self != nil)
     {
         window = initWindow;
@@ -870,15 +867,9 @@ static GLboolean createWindow(_GLFWwindow* window,
         return GL_FALSE;
     }
 
-    window->ns.view = [[GLFWContentView alloc] initWithGlfwWindow:window];
-
 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
     if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6)
     {
-#if defined(_GLFW_USE_RETINA)
-        [window->ns.view setWantsBestResolutionOpenGLSurface:YES];
-#endif
-
         if (wndconfig->resizable)
             [window->ns.object setCollectionBehavior:NSWindowCollectionBehaviorFullScreenPrimary];
     }
@@ -898,7 +889,6 @@ static GLboolean createWindow(_GLFWwindow* window,
     }
 
     [window->ns.object setTitle:[NSString stringWithUTF8String:wndconfig->title]];
-    [window->ns.object setContentView:window->ns.view];
     [window->ns.object setDelegate:window->ns.delegate];
     [window->ns.object setAcceptsMouseMovedEvents:YES];
 
@@ -929,6 +919,22 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
     if (!_glfwCreateContext(window, ctxconfig, fbconfig))
         return GL_FALSE;
 
+    window->ns.view = [[GLFWContentView alloc] initWithGlfwWindow:window];
+
+#if defined(_GLFW_USE_RETINA)
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
+    if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6)
+        [window->ns.view setWantsBestResolutionOpenGLSurface:YES];
+#endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/
+#endif /*_GLFW_USE_RETINA*/
+
+    [window->ns.object setContentView:window->ns.view];
+    // NOTE: If you set the pixel format before the context it creates another
+    //       context, only to have it destroyed by the next line
+    //       We cannot use the view to create the context because that interface
+    //       does not support context resource sharing
+    [window->ns.view setOpenGLContext:window->nsgl.context];
+    [window->ns.view setPixelFormat:window->nsgl.pixelFormat];
     [window->nsgl.context setView:window->ns.view];
 
     if (wndconfig->monitor)