From 660240da9e801c5e62ecce373464290ae1048c70 Mon Sep 17 00:00:00 2001
From: Ian Romanick <ian.d.romanick@intel.com>
Date: Wed, 11 May 2016 18:24:32 -0700
Subject: [PATCH] glsl: Allow shader interface blocks in GLSL ES
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Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>
Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
---
 src/compiler/glsl/glsl_parser_extras.cpp | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/compiler/glsl/glsl_parser_extras.cpp b/src/compiler/glsl/glsl_parser_extras.cpp
index 916fca8..843998d 100644
--- a/src/compiler/glsl/glsl_parser_extras.cpp
+++ b/src/compiler/glsl/glsl_parser_extras.cpp
@@ -895,10 +895,16 @@ _mesa_ast_process_interface_block(YYLTYPE *locp,
                             "required for defining uniform blocks");
       }
    } else {
-      if (state->es_shader || state->language_version < 150) {
-         _mesa_glsl_error(locp, state,
-                          "#version 150 required for using "
-                          "interface blocks");
+      if (!state->has_shader_io_blocks()) {
+         if (state->es_shader) {
+            _mesa_glsl_error(locp, state,
+                             "GL_OES_shader_io_blocks or #version 320 "
+                             "required for using interface blocks");
+         } else {
+            _mesa_glsl_error(locp, state,
+                             "#version 150 required for using "
+                             "interface blocks");
+         }
       }
    }
 
-- 
2.7.4