Enforce GLSL packing restrictions

gpu/command_buffer/service/shader_translator.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/command_buffer/service/shader_translator.h"
 
 #include <string.h>
 #include <algorithm>
 
 #include "base/at_exit.h"
@@ skipping 110 matching lines @@
 
 bool ShaderTranslator::Translate(const char* shader) {
   // Make sure this instance is initialized.
   DCHECK(compiler_ != NULL);
   DCHECK(shader != NULL);
   ClearResults();
 
   bool success = false;
   int compile_options =
       SH_OBJECT_CODE | SH_ATTRIBUTES_UNIFORMS |
-      SH_MAP_LONG_VARIABLE_NAMES;
+      SH_MAP_LONG_VARIABLE_NAMES | SH_ENFORCE_PACKING_RESTRICTIONS;
 
 #if !defined(OS_WIN)
   // Cannot reliably clamp an array index in HLSL.
   // https://code.google.com/p/angleproject/issues/detail?id=399
   compile_options |= SH_CLAMP_INDIRECT_ARRAY_BOUNDS;
 #endif
 
   if (needs_built_in_function_emulation_)
     compile_options |= SH_EMULATE_BUILT_IN_FUNCTIONS;
   if (ShCompile(compiler_, &shader, 1, compile_options)) {
@@ skipping 63 matching lines @@
 void ShaderTranslator::ClearResults() {
   translated_shader_.reset();
   info_log_.reset();
   attrib_map_.clear();
   uniform_map_.clear();
 }
 
 }  // namespace gles2
 }  // namespace gpu