Tune helper context buffer sizes

content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.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 CONTENT_COMMON_GPU_CLIENT_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_
 #define CONTENT_COMMON_GPU_CLIENT_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 34 matching lines @@
 using WebKit::WGC3Dintptr;
 using WebKit::WGC3Dsizeiptr;
 using WebKit::WebGraphicsManagedMemoryStats;
 using WebKit::WebGraphicsMemoryAllocation;
 
 namespace content {
 class GpuChannelHost;
 class GpuChannelHostFactory;
 struct GpuMemoryAllocationForRenderer;
 
+const size_t kDefaultCommandBufferSize = 1024 * 1024;
+const size_t kDefaultStartTransferBufferSize = 1 * 1024 * 1024;
+const size_t kDefaultMinTransferBufferSize = 1 * 256 * 1024;
+const size_t kDefaultMaxTransferBufferSize = 16 * 1024 * 1024;
+
 // TODO(piman): move this logic to the compositor and remove it from the
 // context...
 class WebGraphicsContext3DSwapBuffersClient {
  public:
   virtual void OnViewContextSwapBuffersPosted() = 0;
   virtual void OnViewContextSwapBuffersComplete() = 0;
   virtual void OnViewContextSwapBuffersAborted() = 0;
 
  protected:
   virtual ~WebGraphicsContext3DSwapBuffersClient() {}
@@ skipping 686 matching lines @@
   bool use_echo_for_swap_ack_;
   size_t command_buffer_size_;
   size_t start_transfer_buffer_size_;
   size_t min_transfer_buffer_size_;
   size_t max_transfer_buffer_size_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_