Corrects error handling in GetUniformLocation
TRAC #11845
Signed-off-by: Andrew Lewycky
Signed-off-by: Daniel Koch

Author:    Shannon Woods

git-svn-id: https://angleproject.googlecode.com/svn/trunk@140 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/libGLESv2.cpp b/src/libGLESv2/libGLESv2.cpp
index 6147e86..004a70f 100644
--- a/src/libGLESv2/libGLESv2.cpp
+++ b/src/libGLESv2/libGLESv2.cpp
@@ -2617,7 +2617,14 @@
 
             if (!programObject)
             {
-                return error(GL_INVALID_VALUE, -1);
+                if (context->getShader(program))
+                {
+                    return error(GL_INVALID_OPERATION, -1);
+                }
+                else
+                {
+                    return error(GL_INVALID_VALUE, -1);
+                }
             }
 
             if (!programObject->isLinked())