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cocos2d-x/cocos/platform/ios/CCEAGLView-ios.h

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+/*
+
+===== IMPORTANT =====
+
+This is sample code demonstrating API, technology or techniques in development.
+Although this sample code has been reviewed for technical accuracy, it is not
+final. Apple is supplying this information to help you plan for the adoption of
+the technologies and programming interfaces described herein. This information
+is subject to change, and software implemented based on this sample code should
+be tested with final operating system software and final documentation. Newer
+versions of this sample code may be provided with future seeds of the API or
+technology. For information about updates to this and other developer
+documentation, view the New & Updated sidebars in subsequent documentation
+seeds.
+
+=====================
+
+File: EAGLView.h
+Abstract: Convenience class that wraps the CAEAGLLayer from CoreAnimation into a
+UIView subclass.
+
+Version: 1.3
+
+Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Inc.
+("Apple") in consideration of your agreement to the following terms, and your
+use, installation, modification or redistribution of this Apple software
+constitutes acceptance of these terms.  If you do not agree with these terms,
+please do not use, install, modify or redistribute this Apple software.
+
+In consideration of your agreement to abide by the following terms, and subject
+to these terms, Apple grants you a personal, non-exclusive license, under
+Apple's copyrights in this original Apple software (the "Apple Software"), to
+use, reproduce, modify and redistribute the Apple Software, with or without
+modifications, in source and/or binary forms; provided that if you redistribute
+the Apple Software in its entirety and without modifications, you must retain
+this notice and the following text and disclaimers in all such redistributions
+of the Apple Software.
+Neither the name, trademarks, service marks or logos of Apple Inc. may be used
+to endorse or promote products derived from the Apple Software without specific
+prior written permission from Apple.  Except as expressly stated in this notice,
+no other rights or licenses, express or implied, are granted by Apple herein,
+including but not limited to any patent rights that may be infringed by your
+derivative works or by other works in which the Apple Software may be
+incorporated.
+
+The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO
+WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
+WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
+COMBINATION WITH YOUR PRODUCTS.
+
+IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR
+DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF
+CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF
+APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+Copyright (C) 2008 Apple Inc. All Rights Reserved.
+
+*/
+
+#pragma once
+
+#import <UIKit/UIKit.h>
+#import <OpenGLES/EAGL.h>
+#import <OpenGLES/EAGLDrawable.h>
+#import <OpenGLES/ES2/gl.h>
+#import <OpenGLES/ES2/glext.h>
+#import <CoreFoundation/CoreFoundation.h>
+
+//CLASS INTERFACE:
+
+/** CCEAGLView Class.
+ * This class wraps the CAEAGLLayer from CoreAnimation into a convenient UIView subclass.
+ * The view content is basically an EAGL surface you render your OpenGL scene into.
+ * Note that setting the view non-opaque will only work if the EAGL surface has an alpha channel.
+ */
+@interface CCEAGLView : UIView
+{
+@private
+    EAGLContext             *_context;
+    GLuint                  _defaultFramebuffer;
+    GLuint                  _defaultColorBuffer;
+    GLuint                  _defaultDepthBuffer;
+    
+    //fsaa addition
+    BOOL                    _multisampling;
+    int                     _requestedSamples;
+    GLuint                  _msaaFramebuffer;
+    GLuint                  _msaaColorBuffer;
+    GLuint                  _msaaDepthBuffer;
+
+    NSString                *_pixelformatString;
+    GLenum                  _pixelformat;
+    GLuint                  _depthFormat;
+    BOOL                    _preserveBackbuffer;
+    BOOL                    _discardFramebufferSupported;
+    EAGLSharegroup*         _sharegroup;
+    
+    unsigned int            _touchIds;
+    UITouch*                _touches[10];
+    BOOL                    _isReady;
+    
+    BOOL                    _needToPreventTouch;
+}
+
+/** creates an initializes an CCEAGLView with a frame, a color buffer format, a depth buffer format, a sharegroup, and multisampling */
++(id) viewWithFrame:(CGRect)frame pixelFormat:(NSString*)format depthFormat:(GLuint)depth preserveBackbuffer:(BOOL)retained sharegroup:(EAGLSharegroup*)sharegroup multiSampling:(BOOL)multisampling numberOfSamples:(unsigned int)samples;
+
+/** Initializes an CCEAGLView with a frame, a color buffer format, a depth buffer format, a sharegroup and multisampling support */
+-(id) initWithFrame:(CGRect)frame pixelFormat:(NSString*)format depthFormat:(GLuint)depth preserveBackbuffer:(BOOL)retained sharegroup:(EAGLSharegroup*)sharegroup multiSampling:(BOOL)sampling numberOfSamples:(unsigned int)nSamples;
+
+/** CCEAGLView uses double-buffer. This method swaps the buffers */
+-(void) swapBuffers;
+
+-(BOOL) isReady;
+-(void) setPreventTouchEvent:(BOOL) flag;
+-(EAGLContext*) getContext;
+@end