update some files in platfomr/iphone to 0.99.5

cocos2dx/platform/iphone/EAGLView.h

@@ -84,9 +84,14 @@ Copyright (C) 2008 Apple Inc. All Rights Reserved.
 
 	NSString				*pixelformat_;
 	GLuint					depthFormat_;
+	BOOL					preserveBackbuffer_;
 
 	CGSize					size_;
 	BOOL					discardFramebufferSupported_;
+
+	//fsaa addition
+	BOOL					multisampling_;
+	unsigned int			requestedSamples_;
 @private
         CFMutableDictionaryRef    touchesIntergerDict;
         unsigned int                           indexBitsUsed;
@@ -98,6 +103,9 @@ Copyright (C) 2008 Apple Inc. All Rights Reserved.
 + (id) viewWithFrame:(CGRect)frame pixelFormat:(NSString*)format;
 /** creates an initializes an EAGLView with a frame, a color buffer format, and a depth buffer format */
 + (id) viewWithFrame:(CGRect)frame pixelFormat:(NSString*)format depthFormat:(GLuint)depth preserveBackbuffer:(BOOL)retained;
+/** creates an initializes an EAGLView with a frame, a color buffer format, a depth buffer format, a sharegroup, and multisamping */
++ (id) viewWithFrame:(CGRect)frame pixelFormat:(NSString*)format depthFormat:(GLuint)depth preserveBackbuffer:(BOOL)retained sharegroup:(EAGLSharegroup*)sharegroup multiSampling:(BOOL)multisampling numberOfSamples:(unsigned int)samples;
+
 // get the view object
 +(id) sharedEGLView;
 
@@ -105,8 +113,8 @@ Copyright (C) 2008 Apple Inc. All Rights Reserved.
 - (id) initWithFrame:(CGRect)frame; //These also set the current context
 /** Initializes an EAGLView with a frame, a color buffer format, and 0-bit depth buffer */
 - (id) initWithFrame:(CGRect)frame pixelFormat:(NSString*)format;
-/** Initializes an EAGLView with a frame, a color buffer format, and a depth buffer format */
+/** Initializes an EAGLView 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;
+- (id) initWithFrame:(CGRect)frame pixelFormat:(NSString*)format depthFormat:(GLuint)depth preserveBackbuffer:(BOOL)retained sharegroup:(EAGLSharegroup*)sharegroup multiSampling:(BOOL)sampling numberOfSamples:(unsigned int)nSamples;
 
 /** pixel format: it could be RGBA8 (32-bit) or RGB565 (16-bit) */
 @property(nonatomic,readonly) NSString* pixelFormat;
@@ -119,6 +127,8 @@ Copyright (C) 2008 Apple Inc. All Rights Reserved.
 /** OpenGL context */
 @property(nonatomic,readonly) EAGLContext *context;
 
+@property(nonatomic,readwrite) BOOL multiSampling;
+
 @property(readonly) CFMutableDictionaryRef touchesIntergerDict;
 @property(readwrite) unsigned int indexBitsUsed;
 

cocos2dx/platform/iphone/EAGLView.mm

@@ -77,7 +77,8 @@ static EAGLView *view;
 static cocos2d::CCTouch *s_pTouches[MAX_TOUCHES];
 
 @interface EAGLView (Private)
--(BOOL) setupSurface;
+- (BOOL) setupSurfaceWithSharegroup:(EAGLSharegroup*)sharegroup;
+- (unsigned int) convertPixelFormat:(NSString*) pixelFormat;
 @end
 
 @implementation EAGLView
@@ -87,6 +88,7 @@ static cocos2d::CCTouch *s_pTouches[MAX_TOUCHES];
 @synthesize context=context_;
 @synthesize touchesIntergerDict;
 @synthesize indexBitsUsed;
+@synthesize multiSampling=multiSampling_;
 
 + (Class) layerClass
 {
@@ -95,17 +97,22 @@ static cocos2d::CCTouch *s_pTouches[MAX_TOUCHES];
 
 + (id) viewWithFrame:(CGRect)frame
 {
-	return [[[self alloc] initWithFrame:frame] autorelease];
+	return [[[[self alloc] init] initWithFrame:frame] autorelease];
 }
 
 + (id) viewWithFrame:(CGRect)frame pixelFormat:(NSString*)format
 {
-	return [[[self alloc] initWithFrame:frame pixelFormat:format] autorelease];
+	return [[[[self alloc] init] initWithFrame:frame pixelFormat:format] autorelease];
 }
 
-+ (id) viewWithFrame:(CGRect)frame pixelFormat:(NSString*)format depthFormat:(GLuint)depth preserveBackbuffer:(BOOL)retained
++ (id) viewWithFrame:(CGRect)frame pixelFormat:(NSString*)format depthFormat:(GLuint)depth
 {
-	return [[[[self alloc] init]initWithFrame:frame pixelFormat:format depthFormat:depth preserveBackbuffer:retained] autorelease];
+	return [[[[self alloc] init] initWithFrame:frame pixelFormat:format depthFormat:depth preserveBackbuffer:NO sharegroup:nil multiSampling:NO numberOfSamples:0] autorelease];
+}
+
++ (id) viewWithFrame:(CGRect)frame pixelFormat:(NSString*)format depthFormat:(GLuint)depth preserveBackbuffer:(BOOL)retained sharegroup:(EAGLSharegroup*)sharegroup multiSampling:(BOOL)multisampling numberOfSamples:(unsigned int)samples
+{
+	return [[[[self alloc] init] initWithFrame:frame pixelFormat:format depthFormat:depth preserveBackbuffer:retained sharegroup:sharegroup multiSampling:multisampling numberOfSamples:samples] autorelease];
 }
 
 + (id) sharedEGLView
@@ -122,12 +129,12 @@ static cocos2d::CCTouch *s_pTouches[MAX_TOUCHES];
 
 - (id) initWithFrame:(CGRect)frame
 {
-	return [self initWithFrame:frame pixelFormat:kEAGLColorFormatRGB565 depthFormat:0 preserveBackbuffer:NO];
+	return [self initWithFrame:frame pixelFormat:kEAGLColorFormatRGB565 depthFormat:0 preserveBackbuffer:NO sharegroup:nil multiSampling:NO numberOfSamples:0];
 }
 
 - (id) initWithFrame:(CGRect)frame pixelFormat:(NSString*)format 
 {
-	return [self initWithFrame:frame pixelFormat:format depthFormat:0 preserveBackbuffer:NO];
+	return [self initWithFrame:frame pixelFormat:format depthFormat:0 preserveBackbuffer:NO sharegroup:nil multiSampling:NO numberOfSamples:0];
 }
 
 - (id) initWithFrame:(CGRect)frame pixelFormat:(NSString*)format depthFormat:(GLuint)depth preserveBackbuffer:(BOOL)retained
@@ -136,9 +143,11 @@ static cocos2d::CCTouch *s_pTouches[MAX_TOUCHES];
 	{
 		pixelformat_ = format;
 		depthFormat_ = depth;
-		size_ = frame.size;
+		multiSampling_ = sampling;
+		requestedSamples_ = nSamples;
+		preserveBackbuffer_ = retained;
 		
-		if( ! [self setupSurface] ) {
+		if( ! [self setupSurfaceWithSharegroup:sharegroup] ) {
 			[self release];
 			return nil;
 		}
@@ -152,13 +161,15 @@ static cocos2d::CCTouch *s_pTouches[MAX_TOUCHES];
 {
 	if( (self = [super initWithCoder:aDecoder]) ) {
 		
-		CAEAGLLayer *eaglLayer = (CAEAGLLayer*)[self layer];
+		CAEAGLLayer*			eaglLayer = (CAEAGLLayer*)[self layer];
 		
 		pixelformat_ = kEAGLColorFormatRGB565;
 		depthFormat_ = 0; // GL_DEPTH_COMPONENT24_OES;
+		multiSampling_= NO;
+		requestedSamples_ = 0;
 		size_ = [eaglLayer bounds].size;
 
-		if( ! [self setupSurface] ) {
+		if( ! [self setupSurfaceWithSharegroup:nil] ) {
 			[self release];
 			return nil;
 		}
@@ -209,17 +220,21 @@ static cocos2d::CCTouch *s_pTouches[MAX_TOUCHES];
     indexBitsUsed &= temp;
 }
 
--(BOOL) setupSurface
+-(BOOL) setupSurfaceWithSharegroup:(EAGLSharegroup*)sharegroup
 {
 	CAEAGLLayer *eaglLayer = (CAEAGLLayer *)self.layer;
 	
 	eaglLayer.opaque = YES;
 	eaglLayer.drawableProperties = [NSDictionary dictionaryWithObjectsAndKeys:
-									[NSNumber numberWithBool:FALSE], kEAGLDrawablePropertyRetainedBacking,
+									[NSNumber numberWithBool:preserveBackbuffer_], kEAGLDrawablePropertyRetainedBacking,
 									pixelformat_, kEAGLDrawablePropertyColorFormat, nil];
 	
 	
-	renderer_ = [[ES1Renderer alloc] initWithDepthFormat:depthFormat_];
+	renderer_ = [[ES1Renderer alloc] initWithDepthFormat:depthFormat_
+										 withPixelFormat:[self convertPixelFormat:pixelformat_]
+										  withSharegroup:sharegroup
+									   withMultiSampling:multiSampling_
+									 withNumberOfSamples:requestedSamples_];
 	if (!renderer_)
 		return NO;
 	
@@ -233,7 +248,7 @@ static cocos2d::CCTouch *s_pTouches[MAX_TOUCHES];
 
 - (void) dealloc
 {
-        CFRelease(touchesIntergerDict);
+    CFRelease(touchesIntergerDict);
 	[renderer_ release];
 	[super dealloc];
 }
@@ -241,9 +256,19 @@ static cocos2d::CCTouch *s_pTouches[MAX_TOUCHES];
 - (void) layoutSubviews
 {
     [renderer_ resizeFromLayer:(CAEAGLLayer*)self.layer];
-    size_ = [renderer_ backingSize];
+	size_ = [renderer_ backingSize];
 
-    cocos2d::CCDirector::sharedDirector()->recalculateProjectionAndEAGLViewSize();
+	// Issue #914 #924
+// 	CCDirector *director = [CCDirector sharedDirector];
+// 	[director reshapeProjection:size_];
+    cocos2d::CGSize size;
+    size.width = size_.width;
+    size.height = size_.height;
+    cocos2d::CCDirector::sharedDirector()->reshapeProjection(size);
+
+	// Avoid flicker. Issue #350
+	//[director performSelectorOnMainThread:@selector(drawScene) withObject:nil waitUntilDone:YES];
+	cocos2d::CCDirector::sharedDirector()->drawScene();
 }
 
 - (void) swapBuffers
@@ -251,21 +276,72 @@ static cocos2d::CCTouch *s_pTouches[MAX_TOUCHES];
 	// IMPORTANT:
 	// - preconditions
 	//	-> context_ MUST be the OpenGL context
-	//	-> renderBuffer_ must be the the RENDER BUFFER
+	//	-> renderbuffer_ must be the the RENDER BUFFER
 
 #ifdef __IPHONE_4_0
-	if( discardFramebufferSupported_ && depthFormat_ ) {
+	
-		GLenum attachments[] = { GL_DEPTH_ATTACHMENT_OES };
+	if (multiSampling_)
-		glDiscardFramebufferEXT(GL_FRAMEBUFFER_OES, 1, attachments);
+	{
+		/* Resolve from msaaFramebuffer to resolveFramebuffer */
+		//glDisable(GL_SCISSOR_TEST);     
+		glBindFramebufferOES(GL_READ_FRAMEBUFFER_APPLE, [renderer_ msaaFrameBuffer]);
+		glBindFramebufferOES(GL_DRAW_FRAMEBUFFER_APPLE, [renderer_ defaultFrameBuffer]);
+		glResolveMultisampleFramebufferAPPLE();
 	}
+	
+	if( discardFramebufferSupported_)
+	{	
+		if (multiSampling_)
+		{
+			if (depthFormat_)
+			{
+				GLenum attachments[] = {GL_COLOR_ATTACHMENT0_OES, GL_DEPTH_ATTACHMENT_OES};
+				glDiscardFramebufferEXT(GL_READ_FRAMEBUFFER_APPLE, 2, attachments);
+			}
+			else
+			{
+				GLenum attachments[] = {GL_COLOR_ATTACHMENT0_OES};
+				glDiscardFramebufferEXT(GL_READ_FRAMEBUFFER_APPLE, 1, attachments);
+			}
+			
+			glBindRenderbufferOES(GL_RENDERBUFFER_OES, [renderer_ colorRenderBuffer]);
+	
+		}	
+		
+		// not MSAA
+		else if (depthFormat_ ) {
+			GLenum attachments[] = { GL_DEPTH_ATTACHMENT_OES};
+			glDiscardFramebufferEXT(GL_FRAMEBUFFER_OES, 1, attachments);
+		}
+	}
+	
 #endif // __IPHONE_4_0
 	
-	//if(![context_ presentRenderbuffer:GL_RENDERBUFFER_OES])
+// 	if(![context_ presentRenderbuffer:GL_RENDERBUFFER_OES])
-		//CCLOG(@"cocos2d: Failed to swap renderbuffer in %s\n", __FUNCTION__);
+// 		CCLOG(@"cocos2d: Failed to swap renderbuffer in %s\n", __FUNCTION__);
-	[context_ presentRenderbuffer:GL_RENDERBUFFER_OES];
+
 #if COCOS2D_DEBUG
 	CHECK_GL_ERROR();
 #endif
+	
+	// We can safely re-bind the framebuffer here, since this will be the
+	// 1st instruction of the new main loop
+	if( multiSampling_ )
+		glBindFramebufferOES(GL_FRAMEBUFFER_OES, [renderer_ msaaFrameBuffer]);	
+}
+
+- (unsigned int) convertPixelFormat:(NSString*) pixelFormat
+{
+	// define the pixel format
+	GLenum pFormat;
+	
+	
+	if([pixelFormat isEqualToString:@"EAGLColorFormat565"]) 
+		pFormat = GL_RGB565_OES;
+	else 
+		pFormat = GL_RGBA8_OES;
+	
+	return pFormat;
 }
 
 #pragma mark EAGLView - Point conversion

cocos2dx/platform/iphone/ES1Renderer.h

@@ -34,19 +34,26 @@
 
 @interface ES1Renderer : NSObject <ESRenderer>
 {
-    // The pixel dimensions of the CAEAGLLayer
+	// The pixel dimensions of the CAEAGLLayer
-    GLint backingWidth_;
+	GLint backingWidth_;
-    GLint backingHeight_;
+	GLint backingHeight_;
 
-    // The OpenGL ES names for the framebuffer and renderbuffer used to render to this view
+	unsigned int	samplesToUse_;
-    GLuint defaultFramebuffer_;
+	BOOL			multiSampling_;
+
+	unsigned int	depthFormat_;
+	unsigned int	pixelFormat_;
+
+	// The OpenGL ES names for the framebuffer and renderbuffer used to render to this view
+	GLuint defaultFramebuffer_;
 	GLuint colorRenderbuffer_;
 	GLuint depthBuffer_;
 
-	unsigned int	depthFormat_;
 
+	//buffers for MSAA
+	GLuint msaaFramebuffer_;
+	GLuint msaaColorbuffer_;
 
-	@public
 	EAGLContext *context_;
 }
 

cocos2dx/platform/iphone/ES1Renderer.m

@@ -1,45 +1,26 @@
-/*
+@interface ES1Renderer (private)
- * cocos2d for iPhone: http://www.cocos2d-iphone.org
- *
- * Copyright (c) 2010 Ricardo Quesada
- * 
- * 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.
- *
- *
- * File autogenerated with Xcode. Adapted for cocos2d needs.
- */
 
+- (GLenum) convertPixelFormat:(int) pixelFormat;
+
+@end
 
-#import "ES1Renderer.h"
-#import "OpenGL_Internal.h"
-//#import "ccMacros.h"
 
 @implementation ES1Renderer
 
 @synthesize context=context_;
 
-// Create an OpenGL ES 1.1 context
+- (id) initWithDepthFormat:(unsigned int)depthFormat withPixelFormat:(unsigned int)pixelFormat withSharegroup:(EAGLSharegroup*)sharegroup withMultiSampling:(BOOL) multiSampling withNumberOfSamples:(unsigned int) requestedSamples
-- (id)initWithDepthFormat:(GLuint)depthFormat
 {
     if ((self = [super init]))
     {
-        context_ = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES1];
+		if ( sharegroup == nil )
+		{
+			context_ = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES1];
+		}
+		else
+		{
+			context_ = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES1 sharegroup:sharegroup];
+		}
 
         if (!context_ || ![EAGLContext setCurrentContext:context_])
         {
@@ -69,6 +50,20 @@
 //			glBindRenderbufferOES(GL_RENDERBUFFER_OES, colorRenderbuffer_);
 		}
 		
+		pixelFormat_ = pixelFormat;
+		multiSampling_ = multiSampling;	
+		if (multiSampling_)
+		{
+			GLint maxSamplesAllowed;
+			glGetIntegerv(GL_MAX_SAMPLES_APPLE, &maxSamplesAllowed);
+			samplesToUse_ = MIN(maxSamplesAllowed,requestedSamples);
+			
+			/* Create the MSAA framebuffer (offscreen) */
+			glGenFramebuffersOES(1, &msaaFramebuffer_);
+			glBindFramebufferOES(GL_FRAMEBUFFER_OES, msaaFramebuffer_);
+			
+		}
+
 		CHECK_GL_ERROR();
     }
 
@@ -83,33 +78,59 @@
 
 	if (![context_ renderbufferStorage:GL_RENDERBUFFER_OES fromDrawable:layer])
 	{
-		//CCLOG(@"failed to call context");	
+		/*CCLOG(@"failed to call context");	*/
 	}
 
     glGetRenderbufferParameterivOES(GL_RENDERBUFFER_OES, GL_RENDERBUFFER_WIDTH_OES, &backingWidth_);
     glGetRenderbufferParameterivOES(GL_RENDERBUFFER_OES, GL_RENDERBUFFER_HEIGHT_OES, &backingHeight_);
 
-	//CCLOG(@"cocos2d: surface size: %dx%d", (int)backingWidth_, (int)backingHeight_);
+	/*CCLOG(@"cocos2d: surface size: %dx%d", (int)backingWidth_, (int)backingHeight_);*/
 
-	if (depthFormat_) {
+	if (multiSampling_)
+	{
+		/* Create the offscreen MSAA color buffer.
+		 After rendering, the contents of this will be blitted into ColorRenderbuffer */
+		
+		//msaaFrameBuffer needs to be binded
+		glBindFramebufferOES(GL_FRAMEBUFFER_OES, msaaFramebuffer_);
+		glGenRenderbuffersOES(1, &msaaColorbuffer_);
+		glBindRenderbufferOES(GL_RENDERBUFFER_OES, msaaColorbuffer_);
+		glRenderbufferStorageMultisampleAPPLE(GL_RENDERBUFFER_OES, samplesToUse_,pixelFormat_ , backingWidth_, backingHeight_);
+		glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, msaaColorbuffer_);
+
+		if (glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES) != GL_FRAMEBUFFER_COMPLETE_OES)
+		{
+			/*CCLOG(@"Failed to make complete framebuffer object %x", glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES));*/
+			return NO;
+		}
+	}
+	
+	if (depthFormat_) 
+	{
 		if( ! depthBuffer_ )
 			glGenRenderbuffersOES(1, &depthBuffer_);
 		
 		glBindRenderbufferOES(GL_RENDERBUFFER_OES, depthBuffer_);
-		glRenderbufferStorageOES(GL_RENDERBUFFER_OES, depthFormat_, backingWidth_, backingHeight_);
+		if( multiSampling_ )
+			glRenderbufferStorageMultisampleAPPLE(GL_RENDERBUFFER_OES, samplesToUse_, depthFormat_,backingWidth_, backingHeight_);
+		else
+			glRenderbufferStorageOES(GL_RENDERBUFFER_OES, depthFormat_, backingWidth_, backingHeight_);
 		glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, depthBuffer_);
 		
 		// bind color buffer
 		glBindRenderbufferOES(GL_RENDERBUFFER_OES, colorRenderbuffer_);
-
 	}
 	
+	glBindFramebufferOES(GL_FRAMEBUFFER_OES, defaultFramebuffer_);
+	
 	if (glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES) != GL_FRAMEBUFFER_COMPLETE_OES)
 	{
-		//CCLOG(@"Failed to make complete framebuffer object %x", glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES));
+		/*CCLOG(@"Failed to make complete framebuffer object %x", glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES));*/
 		return NO;
 	}
 
+	CHECK_GL_ERROR();
+
     return YES;
 }
 
@@ -123,9 +144,10 @@
 	return [NSString stringWithFormat:@"<%@ = %08X | size = %ix%i>", [self class], self, backingWidth_, backingHeight_];
 }
 
+
 - (void)dealloc
 {
-	//CCLOGINFO(@"cocos2d: deallocing %@", self);
+	/*CCLOGINFO(@"cocos2d: deallocing %@", self);*/
 
     // Tear down GL
     if(defaultFramebuffer_)
@@ -146,6 +168,18 @@
 		depthBuffer_ = 0;
 	}
 
+	if ( msaaColorbuffer_)
+	{
+		glDeleteRenderbuffersOES(1, &msaaColorbuffer_);
+		msaaColorbuffer_ = 0;
+	}
+	
+	if ( msaaFramebuffer_)
+	{
+		glDeleteRenderbuffersOES(1, &msaaFramebuffer_);
+		msaaFramebuffer_ = 0;
+	}
+	
     // Tear down context
     if ([EAGLContext currentContext] == context_)
         [EAGLContext setCurrentContext:nil];
@@ -156,4 +190,24 @@
     [super dealloc];
 }
 
+- (unsigned int) colorRenderBuffer
+{
+	return colorRenderbuffer_;
+}
+
+- (unsigned int) defaultFrameBuffer
+{
+	return defaultFramebuffer_;
+}
+
+- (unsigned int) msaaFrameBuffer
+{
+	return msaaFramebuffer_;	
+}
+
+- (unsigned int) msaaColorBuffer
+{
+	return msaaColorbuffer_;	
+}
+
 @end

cocos2dx/platform/iphone/ESRenderer.h

@@ -32,11 +32,15 @@
 
 @protocol ESRenderer <NSObject>
 
--(id) initWithDepthFormat:(unsigned int)depthFormat;
+- (id) initWithDepthFormat:(unsigned int)depthFormat withPixelFormat:(unsigned int)pixelFormat withSharegroup:(EAGLSharegroup*)sharegroup withMultiSampling:(BOOL) multiSampling withNumberOfSamples:(unsigned int) requestedSamples;
 
-- (BOOL)resizeFromLayer:(CAEAGLLayer *)layer;
+- (BOOL) resizeFromLayer:(CAEAGLLayer *)layer;
 
--(EAGLContext*) context;
+- (EAGLContext*) context;
--(CGSize) backingSize;
+- (CGSize) backingSize;
 
+- (unsigned int) colorRenderBuffer;
+- (unsigned int) defaultFrameBuffer;
+- (unsigned int) msaaFrameBuffer;
+- (unsigned int) msaaColorBuffer;
 @end