Add ShareGroup stub

TEST=unit test
BUG=120297


Review URL: http://codereview.chromium.org/9836126

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@129456 0039d316-1c4b-4281-b951-d872f2087c98

gpu/command_buffer/client/ref_counted.h

+// 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.
+
+#ifndef GPU_COMMAND_BUFFER_CLIENT_REF_COUNTED_H_
+#define GPU_COMMAND_BUFFER_CLIENT_REF_COUNTED_H_
+
+#if defined(__native_client__)
+#include "native_client/src/include/ref_counted.h"
+namespace gpu {
+template <class T>
+struct RefCountedThreadSafe : public nacl::RefCounted<T> {
+};
+}
+#else
+#include "base/memory/ref_counted.h"
+namespace gpu {
+template <class T>
+struct RefCountedThreadSafe : public base::RefCountedThreadSafe<T> {
+};
+}
+#endif
+
+#endif  // GPU_COMMAND_BUFFER_CLIENT_REF_COUNTED_H_

gpu/command_buffer/client/share_group.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 "../client/share_group.h"
+#include "../common/logging.h"
+
+namespace gpu {
+namespace gles2 {
+
+ShareGroup::ShareGroup() {
+  GPU_CHECK(ShareGroup::ImplementsThreadSafeReferenceCounting());
+}
+
+ShareGroup::~ShareGroup() {
+}
+
+}  // namespace gles2
+}  // namespace gpu
+

gpu/command_buffer/client/share_group.h

+// 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.
+
+#ifndef GPU_COMMAND_BUFFER_CLIENT_SHARE_GROUP_H_
+#define GPU_COMMAND_BUFFER_CLIENT_SHARE_GROUP_H_
+
+#include "../client/ref_counted.h"
+#include "gles2_impl_export.h"
+
+namespace gpu {
+namespace gles2 {
+
+// ShareGroup manages shared resources for contexts that are sharing resources.
+class GLES2_IMPL_EXPORT ShareGroup
+    : public gpu::RefCountedThreadSafe<ShareGroup> {
+ public:
+  typedef scoped_refptr<ShareGroup> Ref;
+
+  ShareGroup();
+  ~ShareGroup();
+
+  bool Initialize();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ShareGroup);
+};
+
+}  // namespace gles2
+}  // namespace gpu
+
+#endif  // GPU_COMMAND_BUFFER_CLIENT_SHARE_GROUP_H_

gpu/command_buffer/client/share_group_unittest.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.
+
+// Tests for the ShareGroup.
+
+#include "gpu/command_buffer/client/share_group.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace gpu {
+namespace gles2 {
+
+class ShareGroupTest : public testing::Test {
+ protected:
+
+  virtual void SetUp() {
+    share_group_ = ShareGroup::Ref(new ShareGroup());
+  }
+
+  virtual void TearDown() {
+  }
+
+  scoped_refptr<ShareGroup> share_group_;
+};
+
+TEST_F(ShareGroupTest, Basic) {
+  EXPECT_TRUE(ShareGroup::ImplementsThreadSafeReferenceCounting());
+}
+
+}  // namespace gles2
+}  // namespace gpu
+
+

gpu/gpu.gyp

@@ -25,6 +25,8 @@
       'command_buffer/client/gles2_implementation.h',
       'command_buffer/client/program_info_manager.cc',
       'command_buffer/client/program_info_manager.h',
+      'command_buffer/client/share_group.cc',
+      'command_buffer/client/share_group.h',
     ]
   },
   'includes': [

gpu/gpu_common.gypi

@@ -149,6 +149,7 @@
         'command_buffer/client/query_tracker_unittest.cc',
         'command_buffer/client/program_info_manager_unittest.cc',
         'command_buffer/client/ring_buffer_test.cc',
+        'command_buffer/client/share_group_unittest.cc',
         'command_buffer/client/transfer_buffer_unittest.cc',
         'command_buffer/common/bitfield_helpers_test.cc',
         'command_buffer/common/command_buffer_mock.cc',

ppapi/native_client/src/shared/ppapi_proxy/nacl.scons

@@ -37,6 +37,7 @@ command_buffer_client_srcs = [
     'command_buffer/client/mapped_memory.cc',
     'command_buffer/client/query_tracker.cc',
     'command_buffer/client/ring_buffer.cc',
+    'command_buffer/client/share_group.cc',
     'command_buffer/client/transfer_buffer.cc',
     'command_buffer/common/id_allocator.cc',
     ]

ppapi/native_client/src/shared/ppapi_proxy/ppapi_proxy_untrusted.gyp

@@ -39,6 +39,7 @@
           '<(DEPTH)/gpu/command_buffer/client/gles2_lib.cc',
           '<(DEPTH)/gpu/command_buffer/client/mapped_memory.cc',
           '<(DEPTH)/gpu/command_buffer/client/query_tracker.cc',
+          '<(DEPTH)/gpu/command_buffer/client/share_group.cc',
           '<(DEPTH)/gpu/command_buffer/client/ring_buffer.cc',
           '<(DEPTH)/gpu/command_buffer/common/id_allocator.cc',