From 33d63277706aede31559a24c0db76b37609e76ef Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Mon, 8 Jun 2009 09:52:31 -0600
Subject: mesa: better error message for invalid texture unit index

---
 src/mesa/shader/arbprogparse.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/mesa/shader/arbprogparse.c')

diff --git a/src/mesa/shader/arbprogparse.c b/src/mesa/shader/arbprogparse.c
index c7a031067ef..bb4c5b38d41 100644
--- a/src/mesa/shader/arbprogparse.c
+++ b/src/mesa/shader/arbprogparse.c
@@ -1014,7 +1014,10 @@ parse_teximage_num (GLcontext * ctx, const GLubyte ** inst,
    GLint i = parse_integer (inst, Program);
 
    if ((i < 0) || (i >= (int)ctx->Const.MaxTextureImageUnits)) {
-      program_error(ctx, Program->Position, "Invalid texture image index");
+      char s[100];
+      _mesa_snprintf(s, sizeof(s), "Invalid texture image index %d (%u is max)",
+                     i, ctx->Const.MaxTextureImageUnits);
+      program_error(ctx, Program->Position, s);
       return 1;
    }
 
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