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+/*
+ * cocos2d for iPhone: http://www.cocos2d-iphone.org
+ *
+ * Copyright (c) 2010 Ricardo Quesada
+ * Copyright (c) 2011 Zynga Inc.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#import <Foundation/Foundation.h>
+
+#import "Platforms/CCGL.h"
+
+/** OS version definitions. Includes both iOS and Mac OS versions
+ */
+enum {
+        kCCiOSVersion_3_0   = 0x03000000,
+        kCCiOSVersion_3_1   = 0x03010000,
+        kCCiOSVersion_3_1_1 = 0x03010100,
+        kCCiOSVersion_3_1_2 = 0x03010200,
+        kCCiOSVersion_3_1_3 = 0x03010300,
+        kCCiOSVersion_3_2   = 0x03020000,
+        kCCiOSVersion_3_2_1 = 0x03020100,
+        kCCiOSVersion_4_0   = 0x04000000,
+        kCCiOSVersion_4_0_1 = 0x04000100,
+        kCCiOSVersion_4_1   = 0x04010000,
+        kCCiOSVersion_4_2   = 0x04020000,
+        kCCiOSVersion_4_3   = 0x04030000,
+        kCCiOSVersion_4_3_1 = 0x04030100,
+        kCCiOSVersion_4_3_2 = 0x04030200,
+        kCCiOSVersion_4_3_3 = 0x04030300,
+
+        kCCMacVersion_10_5  = 0x0a050000,
+        kCCMacVersion_10_6  = 0x0a060000,
+        kCCMacVersion_10_7  = 0x0a070000,
+};
+
+/**
+ CCConfiguration contains some openGL variables
+ @since v0.99.0
+ */
+@interface CCConfiguration : NSObject {
+
+        GLint                   maxTextureSize_;
+        GLint                   maxModelviewStackDepth_;
+        BOOL                    supportsPVRTC_;
+        BOOL                    supportsNPOT_;
+        BOOL                    supportsBGRA8888_;
+        BOOL                    supportsDiscardFramebuffer_;
+        unsigned int    OSVersion_;
+        GLint                   maxSamplesAllowed_;
+}
+
+/** OpenGL Max texture size. */
+@property (nonatomic, readonly) GLint maxTextureSize;
+
+/** OpenGL Max Modelview Stack Depth. */
+@property (nonatomic, readonly) GLint maxModelviewStackDepth;
+
+/** Whether or not the GPU supports NPOT (Non Power Of Two) textures.
+ NPOT textures have the following limitations:
+ - They can't have mipmaps
+ - They only accept GL_CLAMP_TO_EDGE in GL_TEXTURE_WRAP_{S,T}
+ 
+ @since v0.99.2
+ */
+@property (nonatomic, readonly) BOOL supportsNPOT;
+
+/** Whether or not PVR Texture Compressed is supported */
+@property (nonatomic, readonly) BOOL supportsPVRTC;
+
+/** Whether or not BGRA8888 textures are supported.
+ 
+ @since v0.99.2
+ */
+@property (nonatomic, readonly) BOOL supportsBGRA8888;
+
+/** Whether or not glDiscardFramebufferEXT is supported
+ 
+ @since v0.99.2
+ */
+@property (nonatomic, readonly) BOOL supportsDiscardFramebuffer;
+
+/** returns the OS version.
+        - On iOS devices it returns the firmware version.
+        - On Mac returns the OS version
+ 
+ @since v0.99.5
+ */
+@property (nonatomic, readonly) unsigned int OSVersion;
+
+/** returns a shared instance of the CCConfiguration */
++(CCConfiguration *) sharedConfiguration;
+
+/** returns whether or not an OpenGL is supported */
+- (BOOL) checkForGLExtension:(NSString *)searchName;
+
+
+
+@end