Index: services/ui/gles2/gl_surface_adapter.h |
diff --git a/services/ui/gles2/gl_surface_adapter.h b/services/ui/gles2/gl_surface_adapter.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..939cc01f1c3bd35c5d8675e4e61afbd1fa008689 |
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+++ b/services/ui/gles2/gl_surface_adapter.h |
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+// Copyright (c) 2016 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 SERVICES_UI_GLES2_GL_SURFACE_ADAPTER_H_ |
+#define SERVICES_UI_GLES2_GL_SURFACE_ADAPTER_H_ |
+ |
+#include <stdint.h> |
+ |
+#include <vector> |
+ |
+#include "base/callback.h" |
+#include "base/memory/weak_ptr.h" |
+#include "ui/gfx/swap_result.h" |
+#include "ui/gl/gl_surface.h" |
+ |
+namespace ui { |
+ |
+// Wraps a GLSurface such that there is a real GLSurface instance acting as |
+// delegate. Implements the GLSurface interface. The |gl::GLSurfaceAdapter| |
+// superclass provides a default implementation that forwards all GLSurface |
+// methods to the provided delegate. |GLSurfaceAdapterMus| overrides only the |
+// necessary methods to augment the completion callback argument to |
+// |SwapBuffersAsync|, |PostSubBufferAsync| and |CommitOverlayPlanesAsync| with |
+// a callback provided with the |SetGpuCompletedSwapBuffersCallback| method. |
+class GLSurfaceAdapterMus : public gl::GLSurfaceAdapter { |
+ public: |
+ // Creates a new |GLSurfaceAdapterMus| that delegates to |surface|. |
+ explicit GLSurfaceAdapterMus(scoped_refptr<gl::GLSurface> surface); |
+ |
+ // gl::GLSurfaceAdapter. |
+ void SwapBuffersAsync( |
+ const gl::GLSurface::SwapCompletionCallback& callback) override; |
+ void PostSubBufferAsync( |
+ int x, |
+ int y, |
+ int width, |
+ int height, |
+ const gl::GLSurface::SwapCompletionCallback& callback) override; |
+ void CommitOverlayPlanesAsync( |
+ const gl::GLSurface::SwapCompletionCallback& callback) override; |
+ |
+ // Set an additional callback to run on SwapBuffers completion. |
+ void SetGpuCompletedSwapBuffersCallback( |
+ gl::GLSurface::SwapCompletionCallback callback); |
+ |
+ private: |
+ ~GLSurfaceAdapterMus() override; |
+ |
+ // We wrap the callback given to the |gl::GLSurfaceAdapter| overrides above |
+ // with an invocation of this function. It invokes |adapter_callback_| and the |
+ // original |original_callback| provided by the original invoker of |
+ // |SwapBuffersAsync| etc. |
+ void WrappedCallbackForSwapBuffersAsync( |
+ const gl::GLSurface::SwapCompletionCallback& original_callback, |
+ gfx::SwapResult result); |
+ |
+ gl::GLSurface::SwapCompletionCallback adapter_callback_; |
+ |
+ // gl::GLSurfaceAdapter doesn't own the delegate surface so keep a reference |
+ // here. |
+ scoped_refptr<gl::GLSurface> surface_; |
+ |
+ base::WeakPtrFactory<GLSurfaceAdapterMus> weak_ptr_factory_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(GLSurfaceAdapterMus); |
+}; |
+ |
+} // namespace ui |
+ |
+#endif // SERVICES_UI_GLES2_GL_SURFACE_ADAPTER_H_ |