Mesa (master): glsl: Bail after reporting an error for non-constant const_in parameters.

[Dave Airlie]

Module: Mesa
Branch: master
Commit: c25b4943322ddd31d70d87464fe32be26ac6c858
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=c25b4943322ddd31d70d87464fe32be26ac6c858

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Thu Aug 25 09:43:41 2011 -0700

glsl: Bail after reporting an error for non-constant const_in parameters.

Otherwise we continue and hit the "Illegal formal parameter mode"
assertion.

Fixes negative compile test texelFetchOffset.frag in piglit.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
Signed-off-by: Dave Airlie <airlied at redhat.com>

---

 src/glsl/ast_function.cpp |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/glsl/ast_function.cpp b/src/glsl/ast_function.cpp
index c49a33d..8b79d85 100644
--- a/src/glsl/ast_function.cpp
+++ b/src/glsl/ast_function.cpp
@@ -164,6 +164,7 @@ match_function_by_name(exec_list *instructions, const char *name,
 	    _mesa_glsl_error(loc, state,
 			     "parameter `%s' must be a constant expression",
 			     formal->name);
+	    return ir_call::get_error_instruction(ctx);
 	 }
 
 	 if ((formal->mode == ir_var_out)