nibless mac, visual bench working on mac

src/views/mac/SkNSView.mm

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #import "SkNSView.h"
 #include "SkCanvas.h"
 #include "SkSurface.h"
@@ skipping 311 matching lines @@
         loc.y = -loc.y;
 #endif
         fWind->handleClick((int) loc.x, (int) loc.y,
                            SkView::Click::kUp_State, self, modi);
     }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 #include <OpenGL/OpenGL.h>
 
-namespace { 
-CGLContextObj createGLContext(int msaaSampleCount) {
+static CGLContextObj createGLContext(int msaaSampleCount) {
     GLint major, minor;
     CGLGetVersion(&major, &minor);
     
     static const CGLPixelFormatAttribute attributes[] = {
         kCGLPFAStencilSize, (CGLPixelFormatAttribute) 8,
         kCGLPFAAccelerated,
         kCGLPFADoubleBuffer,
         (CGLPixelFormatAttribute)0
     };
     
@@ skipping 18 matching lines @@
     }
     CGLContextObj ctx;
     CGLCreateContext(format, NULL, &ctx);
     CGLDestroyPixelFormat(format);
     
     static const GLint interval = 1;
     CGLSetParameter(ctx, kCGLCPSwapInterval, &interval);
     CGLSetCurrentContext(ctx);
     return ctx;
 }
-}
 
 - (void)viewDidMoveToWindow {
     [super viewDidMoveToWindow];
     
     //Attaching view to fGLContext requires that the view to be part of a window,
     //and that the NSWindow instance must have a CoreGraphics counterpart (or 
     //it must NOT be deferred or should have been on screen at least once)
     if ([fGLContext view] != self && nil != self.window) {
         [fGLContext setView:self];
     }
@@ skipping 30 matching lines @@
 - (void)detach {
     [fGLContext release];
     fGLContext = nil;
 }
 
 - (void)present {
     if (nil != fGLContext) {
         [fGLContext flushBuffer];
     }
 }
+
+- (void)setVSync:(bool)enable {
+    if (fGLContext) {
+        GLint interval = enable ? 1 : 0;
+        CGLContextObj ctx = (CGLContextObj)[fGLContext CGLContextObj];
+        CGLSetParameter(ctx, kCGLCPSwapInterval, &interval);
+    }
+}
 @end