Mesa (master): glsl: fix linker error message context for frag shader output.

[Dave Airlie]

Module: Mesa
Branch: master
Commit: 7449ae45974c6cfd872c1dc2e73bbccdb11d0f70
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=7449ae45974c6cfd872c1dc2e73bbccdb11d0f70

Author: Dave Airlie <airlied at redhat.com>
Date:   Sun Nov 20 19:56:35 2011 +0000

glsl: fix linker error message context for frag shader output.

A later error prints this properly, fix this case to do the same.

v2: remove attribute as per Ian's suggestion
Signed-off-by: Dave Airlie <airlied at redhat.com>
Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>

---

 src/glsl/linker.cpp |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp
index 8278e43..09ffdff 100644
--- a/src/glsl/linker.cpp
+++ b/src/glsl/linker.cpp
@@ -1319,9 +1319,11 @@ assign_attribute_or_color_locations(gl_shader_program *prog,
 	     * attribute overlaps any previously allocated bits.
 	     */
 	    if ((~(use_mask << attr) & used_locations) != used_locations) {
+	       const char *const string = (target_index == MESA_SHADER_VERTEX)
+		  ? "vertex shader input" : "fragment shader output";
 	       linker_error(prog,
-			    "insufficient contiguous attribute locations "
-			    "available for vertex shader input `%s'",
+			    "insufficient contiguous locations "
+			    "available for %s `%s'", string,
 			    var->name);
 	       return false;
 	    }
@@ -1370,7 +1372,7 @@ assign_attribute_or_color_locations(gl_shader_program *prog,
 	    ? "vertex shader input" : "fragment shader output";
 
 	 linker_error(prog,
-		      "insufficient contiguous attribute locations "
+		      "insufficient contiguous locations "
 		      "available for %s `%s'",
 		      string, to_assign[i].var->name);
 	 return false;