Revert "Revert 119430 - Make transferbuffer increase in size dynamically"

This reverts commit 2f38c45427c68fe731c1f5c05256b6c141a6a590.

BUG=101431
TEST=
TBR=apatrick@chromium.org


Review URL: http://codereview.chromium.org/9121057

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@119509 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 76 insertions, 0 deletions

diff --git a/gpu/command_buffer/client/client_test_helper.h b/gpu/command_buffer/client/client_test_helper.h
new file mode 100644
index 0000000..1b32c24
--- /dev/null
+++ b/gpu/command_buffer/client/client_test_helper.h
@@ -0,0 +1,76 @@
+// 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.
+
+// Helper classes for implementing gpu client side unit tests.
+
+#ifndef GPU_COMMAND_BUFFER_CLIENT_CLIENT_TEST_HELPER_H_
+#define GPU_COMMAND_BUFFER_CLIENT_CLIENT_TEST_HELPER_H_
+
+#include "gpu/command_buffer/common/cmd_buffer_common.h"
+#include "gpu/command_buffer/common/command_buffer.h"
+#include "gpu/command_buffer/common/compiler_specific.h"
+#include "gpu/command_buffer/common/scoped_ptr.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace gpu {
+
+class CommandBufferHelper;
+
+class MockCommandBufferBase : public CommandBuffer {
+ public:
+  static const int32 kTransferBufferBaseId = 0x123;
+  static const int32 kMaxTransferBuffers = 6;
+
+  MockCommandBufferBase() { }
+  virtual ~MockCommandBufferBase();
+
+  virtual bool Initialize() OVERRIDE;
+  virtual State GetState() OVERRIDE;
+  virtual State GetLastState() OVERRIDE;
+  virtual void Flush(int32 put_offset) OVERRIDE;
+  virtual State FlushSync(int32 put_offset, int32 last_known_get) OVERRIDE;
+  virtual void SetGetBuffer(int transfer_buffer_id) OVERRIDE;
+  virtual void SetGetOffset(int32 get_offset) OVERRIDE;
+  virtual int32 CreateTransferBuffer(size_t size, int32 id_request) OVERRIDE;
+  virtual Buffer GetTransferBuffer(int32 id) OVERRIDE;
+  virtual int32 RegisterTransferBuffer(base::SharedMemory* shared_memory,
+                                       size_t size,
+                                       int32 id_request) OVERRIDE;
+  virtual void SetToken(int32 token) OVERRIDE;
+  virtual void SetParseError(error::Error error) OVERRIDE;
+  virtual void SetContextLostReason(error::ContextLostReason reason) OVERRIDE;
+
+  // Get's the Id of the next transfer buffer that will be returned
+  // by CreateTransferBuffer. This is useful for testing expected ids.
+  int32 GetNextFreeTransferBufferId();
+
+  void DestroyTransferBufferHelper(int32 id);
+
+  virtual void OnFlush() = 0;
+
+ private:
+  scoped_array<int8> transfer_buffers_[kMaxTransferBuffers];
+  Buffer transfer_buffer_buffers_[kMaxTransferBuffers];
+  CommandBufferEntry* ring_buffer_;
+  Buffer ring_buffer_buffer_;
+  State state_;
+};
+
+class MockClientCommandBuffer : public MockCommandBufferBase {
+ public:
+  MockClientCommandBuffer();
+  virtual ~MockClientCommandBuffer();
+
+  // This is so we can use all the gmock functions when Flush is called.
+  MOCK_METHOD0(OnFlush, void());
+  MOCK_METHOD1(DestroyTransferBuffer, void(int32 id));
+
+  void DelegateToFake();
+};
+
+}  // namespace gpu
+
+#endif  // GPU_COMMAND_BUFFER_CLIENT_CLIENT_TEST_HELPER_H_
+