Changes:

- cleaned RenderTarget2D code.
- fixed graphics device bug when switching from rendertarget to backbuffer.

git-svn-id: http://xni.googlecode.com/svn/XNI@129 ac433895-eea3-a490-d80a-17149a75e588

Classes/Retronator/Xni/Framework/Graphics/GraphicsDevice.m

@@ -549,17 +549,18 @@
 }
 
 - (void) setRenderTarget:(RenderTarget2D*)renderTarget{
+    GLenum format, type;
+    
     if (renderTarget == nil) {
         if (rrt) {
             //We had render target before now we have to flip it vertically
             rrt = NO;
+            glBindFramebuffer(GL_FRAMEBUFFER, defaultFramebuffer);
         }
-		glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, colorRenderbuffer);
+		
     }else{
         GLuint rtFramebuffer = [renderTarget colorFramebuffer];
-        GLuint rtRenderbuffer = [renderTarget colorRenderbuffer];
         
-        GLenum format, type;
         [GraphicsDevice getFormat:&format AndType:&type ForSurfaceFormat:renderTarget.format];
         
         // RENDER TO TEXTURE BUFFER
@@ -567,12 +568,6 @@
         // on out screen plane
         glBindFramebufferOES(GL_FRAMEBUFFER_OES, rtFramebuffer);
         
-//        glBindRenderbufferOES(GL_RENDERBUFFER_OES, rtRenderbuffer);
-//        
-//        glBindRenderbufferOES(GL_RENDERBUFFER_OES, depthRenderbuffer);
-//        glRenderbufferStorageOES(GL_RENDERBUFFER_OES, GL_DEPTH_COMPONENT16_OES, renderTarget.width, renderTarget.height);
-//        glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, depthRenderbuffer);
-        
         // create the texture object
         glBindTexture(GL_TEXTURE_2D, renderTarget.textureId);
         
@@ -581,7 +576,6 @@
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,GL_LINEAR);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,GL_LINEAR);
             
-        
         // fill the texture data (the max texture size needs to be power of 2)
         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, renderTarget.width, renderTarget.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
         
@@ -591,18 +585,11 @@
         //glOrthof(0, renderTarget.width, renderTarget.height, 0, -1, 1);
         
         // CHECK FRAME BUFFER STATUS HERE
-        
+        GLenum status = glCheckFramebufferStatusOES(GL_FRAMEBUFFER);
-        
+        if(status != GL_FRAMEBUFFER_COMPLETE){
-//        GLenum status = glCheckFramebufferStatusOES(GL_FRAMEBUFFER);
+            NSLog(@"Error binding renderTarget");
-//        if(status == GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT){
+        }
-//            NSLog(@"GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT");
+
-//        }else if(status == GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT){
-//            NSLog(@"GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT");
-//        }else if(status == GL_FRAMEBUFFER_UNSUPPORTED){
-//            NSLog(@"GL_FRAMEBUFFER_UNSUPPORTED");
-//        }else if(status == GL_FRAMEBUFFER_COMPLETE){
-//            NSLog(@"GL_FRAMEBUFFER_COMPLETE");
-//        }
         rrt = YES;
     }
 }

Classes/Retronator/Xni/Framework/Graphics/RenderTarget2D.m

@@ -17,13 +17,27 @@
 
 @interface RenderTarget2D (){
     GLuint framebuffer;
-    GLuint renderBuffer;
 }
 
 @end
 
 @implementation RenderTarget2D
 
+- (id)initWithGraphicsDevice:(GraphicsDevice *)theGraphicsDevice width:(int)theWidth height:(int)theHeight{
+    
+    return [self initWithGraphicsDevice:theGraphicsDevice width:theWidth height:theHeight mipmap:NO surfaceFormat:SurfaceFormatAlpha8 depthFormat:DepthFormatNone multiSampleCount:0 usage:RenderTargetUsageDiscardContents];
+}
+
+- (id)initWithGraphicsDevice:(GraphicsDevice *)theGraphicsDevice
+                       width:(int)theWidth
+                      height:(int)theHeight
+                      mipmap:(BOOL)theMipmap
+               surfaceFormat:(SurfaceFormat)theSurfaceFormat
+                 depthFormat:(DepthFormat)theDepthFormat{
+    
+    return [self initWithGraphicsDevice:theGraphicsDevice width:theWidth height:theHeight mipmap:NO surfaceFormat:theSurfaceFormat depthFormat:theDepthFormat multiSampleCount:0 usage:RenderTargetUsageDiscardContents];
+}
+
 - (id)initWithGraphicsDevice:(GraphicsDevice *)theGraphicsDevice
                        width:(int)theWidth
                       height:(int)theHeight
@@ -38,9 +52,6 @@
         //Texture is already created by super object.
         //Here we only create a framebuffer.
         glGenFramebuffersOES(1, &framebuffer);
-        
-        glGenRenderbuffersOES(1, &renderBuffer);
-        
     }
     return self;
 }
@@ -51,17 +62,13 @@
     return framebuffer;
 }
 
--(GLuint) colorRenderbuffer{
-    return renderBuffer;
-}
-
 - (void)dealloc{
     glDeleteFramebuffers(1, &framebuffer);
     [super dealloc];
 }
 
-- (void) saveAsPng:(NSData*)textureData width:(int)width height:(int)height{
+//- (void) saveAsPng:(NSData*)textureData width:(int)width height:(int)height{
-    
+//    
-}
+//}
 
 @end

Classes/System/Delegate.m

@@ -61,6 +61,10 @@
     return NO;
 }
 
+-(NSString *)description{
+    return  [NSString stringWithFormat:@"%@: [%@, %@]",[super description],target, NSStringFromSelector(method)];
+}
+
 - (NSUInteger) hash {
     return [target hash] ^ [NSStringFromSelector(method) hash];
 }