Replaced deprecated CoreGraphics calls in video mode enumeration.

readme.html

@@ -312,6 +312,7 @@ version of GLFW.</p>
   <li>[Cocoa] Added support for joysticks</li>
   <li>[Cocoa] Postponed menu creation to first window creation</li>
   <li>[Cocoa] Replaced <code>NSDate</code> time source with <code>mach_absolute_time</code></li>
+  <li>[Cocoa] Replaced deprecated CoreGraphics calls in video mode enumeration</li>
   <li>[Cocoa] Bugfix: The loop condition for saving video modes used the wrong index variable</li>
   <li>[Cocoa] Bugfix: The OpenGL framework was not retrieved, making glfwGetProcAddress crash</li>
   <li>[Cocoa] Bugfix: <code>glfwInit</code> changed the current directory for unbundled executables</li>

src/cocoa_fullscreen.m

@@ -34,38 +34,59 @@
 // Check whether the display mode should be included in enumeration
 //========================================================================
 
-static BOOL modeIsGood(NSDictionary* mode)
+static GLboolean modeIsGood(CGDisplayModeRef mode)
 {
-    // This is a bit controversial, if you've got something other than an
-    // LCD computer monitor as an output device you might not want these
-    // checks.  You might also want to reject modes which are interlaced,
-    // or TV out.  There is no one-size-fits-all policy that can work here.
-    // This seems like a decent compromise, but certain applications may
-    // wish to patch this...
-    return [[mode objectForKey:(id)kCGDisplayBitsPerPixel] intValue] >= 15 &&
-            [mode objectForKey:(id)kCGDisplayModeIsSafeForHardware] != nil &&
-            [mode objectForKey:(id)kCGDisplayModeIsStretched] == nil;
+    uint32_t flags = CGDisplayModeGetIOFlags(mode);
+    if (!(flags & kDisplayModeValidFlag) || !(flags & kDisplayModeSafeFlag))
+        return GL_FALSE;
+
+    if (flags & kDisplayModeInterlacedFlag)
+        return GL_FALSE;
+
+    if (flags & kDisplayModeTelevisionFlag)
+        return GL_FALSE;
+
+    if (flags & kDisplayModeStretchedFlag)
+        return GL_FALSE;
+
+    CFStringRef format = CGDisplayModeCopyPixelEncoding(mode);
+    if (CFStringCompare(format, CFSTR(IO16BitDirectPixels), 0) &&
+        CFStringCompare(format, CFSTR(IO32BitDirectPixels), 0))
+    {
+        CFRelease(format);
+        return GL_FALSE;
+    }
+
+    CFRelease(format);
+    return GL_TRUE;
 }
 
 //========================================================================
 // Convert Core Graphics display mode to GLFW video mode
 //========================================================================
 
-static GLFWvidmode vidmodeFromCGDisplayMode(NSDictionary* mode)
+static GLFWvidmode vidmodeFromCGDisplayMode(CGDisplayModeRef mode)
 {
-    unsigned int width =
-        [[mode objectForKey:(id)kCGDisplayWidth] unsignedIntValue];
-    unsigned int height =
-        [[mode objectForKey:(id)kCGDisplayHeight] unsignedIntValue];
-    unsigned int bps =
-        [[mode objectForKey:(id)kCGDisplayBitsPerSample] unsignedIntValue];
-
     GLFWvidmode result;
-    result.width = width;
-    result.height = height;
-    result.redBits = bps;
-    result.greenBits = bps;
-    result.blueBits = bps;
+    result.width = CGDisplayModeGetWidth(mode);
+    result.height = CGDisplayModeGetHeight(mode);
+
+    CFStringRef format = CGDisplayModeCopyPixelEncoding(mode);
+
+    if (CFStringCompare(format, CFSTR(IO16BitDirectPixels), 0) == 0)
+    {
+        result.redBits = 5;
+        result.greenBits = 5;
+        result.blueBits = 5;
+    }
+    else
+    {
+        result.redBits = 8;
+        result.greenBits = 8;
+        result.blueBits = 8;
+    }
+
+    CFRelease(format);
     return result;
 }
 
@@ -80,17 +101,23 @@ static GLFWvidmode vidmodeFromCGDisplayMode(NSDictionary* mode)
 
 int _glfwPlatformGetVideoModes(GLFWvidmode* list, int maxcount)
 {
-    NSArray* modes = (NSArray*) CGDisplayAvailableModes(CGMainDisplayID());
-    unsigned int i, j = 0, n = [modes count];
+    CGDisplayModeRef mode;
+    CFArrayRef modes;
+    CFIndex count, i;
+    int stored = 0;
 
-    for (i = 0;  i < n && j < (unsigned)maxcount;  i++)
+    modes = CGDisplayCopyAllDisplayModes(CGMainDisplayID(), NULL);
+    count = CFArrayGetCount(modes);
+
+    for (i = 0;  i < count && stored < maxcount;  i++)
     {
-        NSDictionary *mode = [modes objectAtIndex:i];
+        mode = (CGDisplayModeRef) CFArrayGetValueAtIndex(modes, i);
         if (modeIsGood(mode))
-            list[j++] = vidmodeFromCGDisplayMode(mode);
+            list[stored++] = vidmodeFromCGDisplayMode(mode);
     }
 
-    return j;
+    CFRelease(modes);
+    return stored;
 }
 
 //========================================================================

src/cocoa_init.m

@@ -91,8 +91,7 @@ int _glfwPlatformInit(void)
 
     changeToResourcesDirectory();
 
-    _glfwLibrary.NS.desktopMode =
-	    (NSDictionary*) CGDisplayCurrentMode(CGMainDisplayID());
+    _glfwLibrary.NS.desktopMode = CGDisplayCopyDisplayMode(CGMainDisplayID());
 
     // Save the original gamma ramp
     _glfwLibrary.originalRampSize = CGDisplayGammaTableCapacity(CGMainDisplayID());
@@ -117,6 +116,12 @@ int _glfwPlatformTerminate(void)
     // Restore the original gamma ramp
     _glfwPlatformSetGammaRamp(&_glfwLibrary.originalRamp);
 
+    if (_glfwLibrary.NS.desktopMode)
+    {
+        CFRelease(_glfwLibrary.NS.desktopMode);
+        _glfwLibrary.NS.desktopMode = NULL;
+    }
+
     [NSApp setDelegate:nil];
     [_glfwLibrary.NS.delegate release];
     _glfwLibrary.NS.delegate = nil;

src/cocoa_platform.h

@@ -37,6 +37,7 @@
 #if defined(__OBJC__)
 #import <Cocoa/Cocoa.h>
 #else
+#include <ApplicationServices/ApplicationServices.h>
 typedef void* id;
 #endif
 
@@ -90,10 +91,10 @@ typedef struct _GLFWlibraryNS
     } timer;
 
     // dlopen handle for dynamically loading OpenGL extension entry points
-    void*       OpenGLFramework;
-    id          desktopMode;
-    id          delegate;
-    id          autoreleasePool;
+    void*            OpenGLFramework;
+    CGDisplayModeRef desktopMode;
+    id               delegate;
+    id               autoreleasePool;
 } _GLFWlibraryNS;