Add sizeInBytes to GrResource, make GrRenderTarget aware of its pixel config

Review URL: http://codereview.appspot.com/4802058/



git-svn-id: http://skia.googlecode.com/svn/trunk@1951 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/src/ios/GrGLDefaultInterface_iOS.cpp b/gpu/src/ios/GrGLDefaultInterface_iOS.cpp
index 4126d25..252a8c2 100644
--- a/gpu/src/ios/GrGLDefaultInterface_iOS.cpp
+++ b/gpu/src/ios/GrGLDefaultInterface_iOS.cpp
@@ -127,6 +127,8 @@
         gDefaultInterface.fViewport = glViewport;
         
         gDefaultInterface.fGenFramebuffers = glGenFramebuffers;
+        gDefaultInterface.fGetFramebufferAttachmentParameteriv = glFramebufferAttachmentParameteriv;
+        gDefaultInterface.fGetRenderbufferParameteriv = glRenderbufferParameteriv;
         gDefaultInterface.fBindFramebuffer = glBindFramebuffer;
         gDefaultInterface.fFramebufferTexture2D = glFramebufferTexture2D;
         gDefaultInterface.fCheckFramebufferStatus = glCheckFramebufferStatus;