From: Ian Romanick <ian.d.roman...@intel.com>
Fixes piglit array-function-return-unsized.vert.
Signed-off-by: Ian Romanick <ian.d.roman...@intel.com>
Cc: "9.2" <mesa-sta...@lists.freedesktop.org>
---
src/glsl/ast_to_hir.cpp | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp
index 325cb06..49804b7 100644
--- a/src/glsl/ast_to_hir.cpp
+++ b/src/glsl/ast_to_hir.cpp
@@ -3477,6 +3477,18 @@ ast_function::hir(exec_list *instructions,
"function `%s' return type has qualifiers", name);
}
+ /* Section 6.1 (Function Definitions) of the GLSL 1.20 spec says:
+ *
+ * "Arrays are allowed as arguments and as the return type. In both
+ * cases, the array must be explicitly sized."
+ */
+ if (return_type->is_array() && return_type->length == 0) {
+ YYLTYPE loc = this->get_location();
+ _mesa_glsl_error(& loc, state,
+ "function `%s' return type array must be explicitly "
+ "sized", name);
+ }
+
/* From page 17 (page 23 of the PDF) of the GLSL 1.20 spec:
*
* "[Sampler types] can only be declared as function parameters
--
1.8.1.4
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