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-rw-r--r--src/glsl/ast_to_hir.cpp13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp
index 98ea789249d..d82cf333895 100644
--- a/src/glsl/ast_to_hir.cpp
+++ b/src/glsl/ast_to_hir.cpp
@@ -1542,6 +1542,19 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual,
else
var->interpolation = ir_var_smooth;
+ /* FINISHME: Apply the fragment coord convetion layout qualifiers.
+ */
+ if ((qual->origin_upper_left || qual->pixel_center_integer)
+ && (strcmp(var->name, "gl_FragCoord") != 0)) {
+ const char *const qual_string = (qual->origin_upper_left)
+ ? "origin_upper_left" : "pixel_center_integer";
+
+ _mesa_glsl_error(loc, state,
+ "layout qualifier `%s' can only be applied to "
+ "fragment shader input `gl_FragCoord'",
+ qual_string);
+ }
+
if (var->type->is_array() && (state->language_version >= 120)) {
var->array_lvalue = true;
}