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Unified Diff: services/ui/gles2/gl_surface_adapter.h

Issue 2194893002: services/ui: Revert CLs that broke Windows. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: . Created 4 years, 5 months ago
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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
--- /dev/null
+++ b/services/ui/gles2/gl_surface_adapter.h
@@ -0,0 +1,71 @@
+// 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_
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