From: Samuel Iglesias Gonsalvez <sigles...@igalia.com>
Section 4.3.7 "Buffer Variables", GLSL 4.30 spec:
"Buffer variables may only be declared inside interface blocks
(section 4.3.9 “Interface Blocks”), which are then referred to as
shader storage blocks. It is a compile-time error to declare buffer
variables at global scope (outside a block)."
Signed-off-by: Samuel Iglesias Gonsalvez <sigles...@igalia.com>
---
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 62ae1b6..32a5d99 100644
--- a/src/glsl/ast_to_hir.cpp
+++ b/src/glsl/ast_to_hir.cpp
@@ -3379,6 +3379,18 @@ ast_declarator_list::hir(exec_list *instructions,
decl_type = this->type->glsl_type(& type_name, state);
+ /* Section 4.3.7 "Buffer Variables" of the GLSL 4.30 spec:
+ * "Buffer variables may only be declared inside interface blocks
+ * (section 4.3.9 “Interface Blocks”), which are then referred to as
+ * shader storage blocks. It is a compile-time error to declare buffer
+ * variables at global scope (outside a block)."
+ */
+ if (type->qualifier.flags.q.buffer && !decl_type->is_interface()) {
+ _mesa_glsl_error(&loc, state,
+ "buffer variables cannot be declared outside"
+ " interface blocks");
+ }
+
/* An offset-qualified atomic counter declaration sets the default
* offset for the next declaration within the same atomic counter
* buffer.
--
1.9.1
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