Index: content/common/gpu/null_transport_surface.h |
diff --git a/content/common/gpu/null_transport_surface.h b/content/common/gpu/null_transport_surface.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..158283c1eb2138553c3f9ba935b8ac708110c86e |
--- /dev/null |
+++ b/content/common/gpu/null_transport_surface.h |
@@ -0,0 +1,42 @@ |
+// Copyright (c) 2014 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_NULL_TRANSPORT_SURFACE_H_ |
+#define CONTENT_COMMON_GPU_NULL_TRANSPORT_SURFACE_H_ |
+ |
+#include "base/basictypes.h" |
+#include "content/common/gpu/image_transport_surface.h" |
+#include "ui/gfx/native_widget_types.h" |
+ |
+namespace content { |
+ |
+// Used when the GPU process is not involved in frame transport, but frame |
+// resources are exchanged between client and target directly (such as in |
+// delegated rendering). |
+class NullTransportSurface : public PassThroughImageTransportSurface { |
+ public: |
+ NullTransportSurface(GpuChannelManager* manager, |
+ GpuCommandBufferStub* stub, |
+ const gfx::GLSurfaceHandle& handle); |
+ |
+ // gfx::GLSurface implementation. |
+ virtual bool Initialize() OVERRIDE; |
+ virtual void Destroy() OVERRIDE; |
+ virtual bool SwapBuffers() OVERRIDE; |
+ virtual bool PostSubBuffer(int x, int y, int width, int height) OVERRIDE; |
+ |
+ protected: |
+ virtual ~NullTransportSurface(); |
+ |
+ virtual void SendVSyncUpdateIfAvailable() OVERRIDE; |
+ |
+ private: |
+ uint32 parent_client_id_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(NullTransportSurface); |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_COMMON_GPU_NULL_TRANSPORT_SURFACE_H_ |