Merge pull request #811 from ychin/startup-nonnative-fullscreen-fix

Fix starting up in non-native fullscreen resulting in black screen

Author: ychin

src/MacVim/MMCoreTextView.m

@@ -137,8 +137,13 @@ - (id)initWithFrame:(NSRect)frame
             boolForKey:MMBufferedDrawingKey];
     cgBufferDrawNeedsUpdateContext = NO;
 
-    cgLayerEnabled = [[NSUserDefaults standardUserDefaults]
-            boolForKey:MMUseCGLayerAlwaysKey];
+    cgLayerEnabled = NO;
+    if (!cgBufferDrawEnabled) {
+        // Buffered draw supercedes the CGLayer renderer, which is deprecated
+        // and doesn't actually work in 10.14+.
+        cgLayerEnabled = [[NSUserDefaults standardUserDefaults]
+                boolForKey:MMUseCGLayerAlwaysKey];
+    }
     cgLayerLock = [NSLock new];
 
     // NOTE!  It does not matter which font is set here, Vim will set its
@@ -795,7 +800,7 @@ - (void)performBatchDrawWithData:(NSData *)data
 
 - (void)setCGLayerEnabled:(BOOL)enabled
 {
-    if (cgContext)
+    if (cgContext || cgBufferDrawEnabled)
         return;
 
     cgLayerEnabled = enabled;

src/MacVim/MMWindowController.m

@@ -348,6 +348,7 @@ - (BOOL)presentWindow:(id)unused
         // GUIEnter auto command could cause this).
         [fullScreenWindow enterFullScreen];
         fullScreenEnabled = YES;
+        shouldResizeVimView = YES;
     } else if (delayEnterFullScreen) {
         // Set alpha to zero so that the decorated window doesn't pop up
         // before we enter full-screen.