macosx: added support for the CAOpenGLLayer vout

Note that this won't work if the video output is embedded in the main window

This is done mainly for debug purposes for now

modules/gui/macosx/Makefile.am

@@ -8,7 +8,8 @@ libmacosx_plugin_la_LDFLAGS = $(AM_LDFLAGS) -rpath '$(guidir)' \
 	-Wl,-framework,Cocoa -Wl,-framework,Carbon -Wl,-framework,CoreServices \
 	-Wl,-framework,QTKit -Wl,-framework,IOKit -Wl,-framework,AddressBook \
 	-Wl,-framework,WebKit -Wl,-framework,CoreAudio -Wl,-framework,SystemConfiguration \
-	-Wl,-framework,ScriptingBridge -F${CONTRIB_DIR} -Wl,-framework,BGHUDAppKit
+	-Wl,-framework,ScriptingBridge -F${CONTRIB_DIR} -Wl,-framework,BGHUDAppKit \
+	-Wl,-framework,QuartzCore
 
 if HAVE_SPARKLE
 libmacosx_plugin_la_LDFLAGS += -Wl,-framework,Sparkle

modules/gui/macosx/VideoView.m

@@ -37,6 +37,8 @@
 #import "CoreInteraction.h"
 #import "MainMenu.h"
 
+#import <QuartzCore/QuartzCore.h>
+
 #import <vlc_keys.h>
 
 
@@ -79,6 +81,33 @@
     return self;
 }
 
+- (void)addVoutLayer:(CALayer *)aLayer
+{
+    if (self.layer == nil) {
+        [self setLayer:[CALayer layer]];
+        [self setWantsLayer:YES];
+    }
+
+    [CATransaction begin];
+    aLayer.opaque = 1.;
+    aLayer.hidden = NO;
+    aLayer.bounds = self.layer.bounds;
+    [self.layer addSublayer:aLayer];
+    [self setNeedsDisplay:YES];
+    [aLayer setNeedsDisplay];
+    CGRect frame = aLayer.bounds;
+    frame.origin.x = frame.origin.y = 0.;
+    aLayer.frame = frame;
+    [CATransaction commit];
+}
+
+- (void)removeVoutLayer:(CALayer *)aLayer
+{
+    [CATransaction begin];
+    [aLayer removeFromSuperlayer];
+    [CATransaction commit];
+}
+
 - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
 {
     if ((NSDragOperationGeneric & [sender draggingSourceOperationMask]) == NSDragOperationGeneric)