Add Renderbuffer::getComponentType and Renderbuffer::getColorEncoding methods.

TRAC #23474

Author: Geoff Lang
Signed-off-by: Jamie Madill
Signed-off-by: Shannon Woods
diff --git a/src/libGLESv2/Renderbuffer.cpp b/src/libGLESv2/Renderbuffer.cpp
index 837d617..a21fe2b 100644
--- a/src/libGLESv2/Renderbuffer.cpp
+++ b/src/libGLESv2/Renderbuffer.cpp
@@ -385,6 +385,16 @@
     return gl::GetStencilBits(getActualFormat(), mRenderer->getCurrentClientVersion());
 }
 
+GLenum Renderbuffer::getComponentType() const
+{
+    return gl::GetComponentType(getActualFormat(), mRenderer->getCurrentClientVersion());
+}
+
+GLenum Renderbuffer::getColorEncoding() const
+{
+    return gl::GetColorEncoding(getActualFormat(), mRenderer->getCurrentClientVersion());
+}
+
 GLsizei Renderbuffer::getSamples() const
 {
     return mInstance->getSamples();