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-rw-r--r--src/glsl/ast_to_hir.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp
index 18b82e3bec9..da063d5606b 100644
--- a/src/glsl/ast_to_hir.cpp
+++ b/src/glsl/ast_to_hir.cpp
@@ -1558,6 +1558,18 @@ ast_expression::do_hir(exec_list *instructions,
error_emitted = true;
}
+ /* From section 4.1.7 of the GLSL 4.50 spec (Opaque Types):
+ *
+ * "Except for array indexing, structure member selection, and
+ * parentheses, opaque variables are not allowed to be operands in
+ * expressions; such use results in a compile-time error."
+ */
+ if (type->contains_opaque()) {
+ _mesa_glsl_error(&loc, state, "opaque variables cannot be operands "
+ "of the ?: operator");
+ error_emitted = true;
+ }
+
ir_constant *cond_val = op[0]->constant_expression_value();
if (then_instructions.is_empty()