CCEffectNode - Add initializers with the same parameters as CCRenderTexture

And add convenience constructors too.

Author: Thayer J Andrews

cocos2d/CCEffectNode.h

@@ -41,4 +41,66 @@
  */
 -(id)initWithWidth:(int)w height:(int)h;
 
+/**
+ *  Initializes a CCEffectNode object with width and height in Points and a pixel format( only RGB and RGBA formats are valid ) and no depth-stencil buffer.
+ *
+ *  @param w                  Width of render target.
+ *  @param h                  Height of render target.
+ *  @param format             Pixel format of render target.
+ *
+ *  @return An initialized CCRenderTarget object.
+ */
+-(id)initWithWidth:(int)w height:(int)h pixelFormat:(CCTexturePixelFormat)format;
+
+/**
+ *  Initializes a CCEffectNode object with width and height in Points and a pixel format( only RGB and RGBA formats are valid ) and depthStencil format
+ *
+ *  @param w                  Width of render target.
+ *  @param h                  Height of render target.
+ *  @param format             Pixel format of render target.
+ *  @param depthStencilFormat Stencil format of render target.
+ *
+ *  @return An initialized CCRenderTarget object.
+ */
+-(id)initWithWidth:(int)w height:(int)h pixelFormat:(CCTexturePixelFormat)format depthStencilFormat:(GLuint)depthStencilFormat;
+
+
+/// -----------------------------------------------------------------------
+/// @name Creating a CCEffectNode object
+/// -----------------------------------------------------------------------
+
+/**
+ *  Creates a CCEffectNode object with width and height in points, the default color format and no depth-stencil buffer.
+ *
+ *  @param w      Width of render target.
+ *  @param h      Height of render target.
+ *
+ *  @return An initialized CCRenderTarget object.
+ */
++(id)effectNodeWithWidth:(int)w height:(int)h;
+
+/**
+ *  Creates a CCEffectNode object with width and height in Points and a pixel format( only RGB and RGBA formats are valid ) and no depth-stencil buffer.
+ *
+ *  @param w                  Width of render target.
+ *  @param h                  Height of render target.
+ *  @param format             Pixel format of render target.
+ *
+ *  @return An initialized CCRenderTarget object.
+ */
++(id)effectNodeWithWidth:(int)w height:(int)h pixelFormat:(CCTexturePixelFormat)format;
+
+/**
+ *  Creates a CCEffectNode object with width and height in Points and a pixel format( only RGB and RGBA formats are valid ) and depthStencil format
+ *
+ *  @param w                  Width of render target.
+ *  @param h                  Height of render target.
+ *  @param format             Pixel format of render target.
+ *  @param depthStencilFormat Stencil format of render target.
+ *
+ *  @return An initialized CCRenderTarget object.
+ */
++(id)effectNodeWithWidth:(int)w height:(int)h pixelFormat:(CCTexturePixelFormat)format depthStencilFormat:(GLuint)depthStencilFormat;
+
+
 @end

cocos2d/CCEffectNode.m

@@ -47,13 +47,39 @@ -(id)init
 
 -(id)initWithWidth:(int)width height:(int)height
 {
-	if((self = [super initWithWidth:width height:height pixelFormat:CCTexturePixelFormat_Default])) {
+    return [self initWithWidth:width height:height pixelFormat:CCTexturePixelFormat_Default];
+}
+
+-(id)initWithWidth:(int)width height:(int)height pixelFormat:(CCTexturePixelFormat)format
+{
+    return [self initWithWidth:width height:height pixelFormat:format depthStencilFormat:0];
+}
+
+-(id)initWithWidth:(int)width height:(int)height pixelFormat:(CCTexturePixelFormat) format depthStencilFormat:(GLuint)depthStencilFormat
+{
+    if((self = [super initWithWidth:width height:height pixelFormat:CCTexturePixelFormat_Default depthStencilFormat:depthStencilFormat]))
+    {
         _effectRenderer = [[CCEffectRenderer alloc] init];
         _allocatedSize = CGSizeMake(0.0f, 0.0f);
 	}
 	return self;
 }
 
++(id)effectNodeWithWidth:(int)w height:(int)h
+{
+    return [[CCEffectNode alloc] initWithWidth:w height:h];
+}
+
++(id)effectNodeWithWidth:(int)w height:(int)h pixelFormat:(CCTexturePixelFormat)format
+{
+    return [[CCEffectNode alloc] initWithWidth:w height:h pixelFormat:format];
+}
+
++(id)effectNodeWithWidth:(int)w height:(int)h pixelFormat:(CCTexturePixelFormat)format depthStencilFormat:(GLuint)depthStencilFormat
+{
+    return [[CCEffectNode alloc] initWithWidth:w height:h pixelFormat:format depthStencilFormat:depthStencilFormat];
+}
+
 -(CCEffect *)effect
 {
 	return _effect;