Implement more detailed GetString(GL_RENDERER)

Trac #17815
Issue=161
Signed-off-by: Shannon Woods

git-svn-id: https://angleproject.googlecode.com/svn/trunk@733 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/libGLESv2.cpp b/src/libGLESv2/libGLESv2.cpp
index 26f2f23..da1aa14 100644
--- a/src/libGLESv2/libGLESv2.cpp
+++ b/src/libGLESv2/libGLESv2.cpp
@@ -3222,7 +3222,7 @@
           case GL_VENDOR:
             return (GLubyte*)"Google Inc.";
           case GL_RENDERER:
-            return (GLubyte*)"ANGLE";
+            return (GLubyte*)((context != NULL) ? context->getRendererString() : "ANGLE");
           case GL_VERSION:
             return (GLubyte*)"OpenGL ES 2.0 (ANGLE "VERSION_STRING")";
           case GL_SHADING_LANGUAGE_VERSION: