Added support for renderbuffer formats used by the CTS.

TRAC #22890
Signed-off-by: Geoff Lang
Signed-off-by: Shannon Woods
Author: Nicolas Capens

git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2158 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/Context.cpp b/src/libGLESv2/Context.cpp
index 58cb5d9..5e124a3 100644
--- a/src/libGLESv2/Context.cpp
+++ b/src/libGLESv2/Context.cpp
@@ -1172,6 +1172,10 @@
       case GL_RGB565:
       case GL_RGB8_OES:
       case GL_RGBA8_OES:
+      case GL_SRGB8_ALPHA8:
+      case GL_RGB10_A2:
+      case GL_RG8:
+      case GL_R8:
         renderbuffer = new gl::Colorbuffer(mRenderer,width, height, internalformat, samples);
         break;
       case GL_STENCIL_INDEX8:
@@ -1181,6 +1185,7 @@
         renderbuffer = new gl::DepthStencilbuffer(mRenderer, width, height, samples);
         break;
       default:
+        UNIMPLEMENTED();   // TODO: Remaining ES3 formats
         UNREACHABLE(); return;
     }