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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.
+ */
+
+//
+// Common layer for OpenGL stuff
+//
+
+#import <Availability.h>
+
+#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
+#import <OpenGLES/ES1/gl.h>
+#import <OpenGLES/ES1/glext.h>
+#import <OpenGLES/EAGL.h>
+#import "iOS/glu.h"
+#import "iOS/EAGLView.h"
+
+#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
+#import <OpenGL/gl.h>
+#import <OpenGL/glu.h>
+#import <Cocoa/Cocoa.h> // needed for NSOpenGLView
+#import "Mac/MacGLView.h"
+#endif
+
+
+// iOS
+#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
+#define CC_GLVIEW                                       EAGLView
+#define ccglOrtho                                       glOrthof
+#define ccglClearDepth                          glClearDepthf
+#define ccglGenerateMipmap                      glGenerateMipmapOES
+#define ccglGenFramebuffers                     glGenFramebuffersOES
+#define ccglBindFramebuffer                     glBindFramebufferOES
+#define ccglFramebufferTexture2D        glFramebufferTexture2DOES
+#define ccglDeleteFramebuffers          glDeleteFramebuffersOES
+#define ccglCheckFramebufferStatus      glCheckFramebufferStatusOES
+#define ccglTranslate                           glTranslatef
+
+#define CC_GL_FRAMEBUFFER                       GL_FRAMEBUFFER_OES
+#define CC_GL_FRAMEBUFFER_BINDING       GL_FRAMEBUFFER_BINDING_OES
+#define CC_GL_COLOR_ATTACHMENT0         GL_COLOR_ATTACHMENT0_OES
+#define CC_GL_FRAMEBUFFER_COMPLETE      GL_FRAMEBUFFER_COMPLETE_OES
+
+// Mac
+#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
+#define CC_GLVIEW                                       MacGLView
+#define ccglOrtho                                       glOrtho
+#define ccglClearDepth                          glClearDepth
+#define ccglGenerateMipmap                      glGenerateMipmap
+#define ccglGenFramebuffers                     glGenFramebuffers
+#define ccglBindFramebuffer                     glBindFramebuffer
+#define ccglFramebufferTexture2D        glFramebufferTexture2D
+#define ccglDeleteFramebuffers          glDeleteFramebuffers
+#define ccglCheckFramebufferStatus      glCheckFramebufferStatus
+#define ccglTranslate                           glTranslated
+
+#define CC_GL_FRAMEBUFFER                       GL_FRAMEBUFFER
+#define CC_GL_FRAMEBUFFER_BINDING       GL_FRAMEBUFFER_BINDING
+#define CC_GL_COLOR_ATTACHMENT0         GL_COLOR_ATTACHMENT0
+#define CC_GL_FRAMEBUFFER_COMPLETE      GL_FRAMEBUFFER_COMPLETE
+
+#endif