Mesa (master): glsl: make linker error message more informative

[Timothy Arceri]

Module: Mesa
Branch: master
Commit: b8f63b3c1002eea9cc6d54191bd41ea43c467e96
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b8f63b3c1002eea9cc6d54191bd41ea43c467e96

Author: Timothy Arceri <t_arceri at yahoo.com.au>
Date:   Wed Aug 12 17:01:52 2015 +1000

glsl: make linker error message more informative

Reviewed-by: Ilia Mirkin <imirkin at alum.mit.edu>

---

 src/glsl/linker.cpp |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp
index d7efea5..a7cd820 100644
--- a/src/glsl/linker.cpp
+++ b/src/glsl/linker.cpp
@@ -2880,8 +2880,9 @@ check_image_resources(struct gl_context *ctx, struct gl_shader_program *prog)
 
       if (sh) {
          if (sh->NumImages > ctx->Const.Program[i].MaxImageUniforms)
-            linker_error(prog, "Too many %s shader image uniforms\n",
-                         _mesa_shader_stage_to_string(i));
+            linker_error(prog, "Too many %s shader image uniforms (%u > %u)\n",
+                         _mesa_shader_stage_to_string(i), sh->NumImages,
+                         ctx->Const.Program[i].MaxImageUniforms);
 
          total_image_units += sh->NumImages;