[Mesa-dev] [PATCH 14/21] glsl: validate linking of intrastage component qualifiers

[Timothy Arceri]

---
 src/glsl/linker.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp
index 657d294..827d07f 100644
--- a/src/glsl/linker.cpp
+++ b/src/glsl/linker.cpp
@@ -990,6 +990,13 @@ cross_validate_globals(struct gl_shader_program *prog,
                     return;
               }
 
+              if (var->data.location_frac != existing->data.location_frac) {
+                    linker_error(prog, "explicit components for %s "
+                                 "`%s' have differing values\n",
+                                 mode_string(var), var->name);
+                    return;
+              }
+
               existing->data.location = var->data.location;
               existing->data.explicit_location = true;
            }
-- 
2.4.3

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