From 621c999d823eed077aee9ac0779077ba2f0c5e5a Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Wed, 18 Feb 2009 13:28:12 -0700
Subject: mesa: improved error msg

---
 src/mesa/shader/shader_api.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c
index 38f4cd03c4f..828d3f062ac 100644
--- a/src/mesa/shader/shader_api.c
+++ b/src/mesa/shader/shader_api.c
@@ -1469,7 +1469,8 @@ _mesa_use_program(GLcontext *ctx, GLuint program)
          return;
       }
       if (!shProg->LinkStatus) {
-         _mesa_error(ctx, GL_INVALID_OPERATION, "glUseProgram");
+         _mesa_error(ctx, GL_INVALID_OPERATION,
+                     "glUseProgram(program %u not linked)", program);
          return;
       }
    }
-- 
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