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// Copyright 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 UI_OZONE_PUBLIC_SURFACE_OZONE_EGL_H_
#define UI_OZONE_PUBLIC_SURFACE_OZONE_EGL_H_
#include "base/basictypes.h"
#include "base/callback.h"
#include "base/memory/scoped_ptr.h"
#include "ui/gfx/overlay_transform.h"
#include "ui/gfx/swap_result.h"
#include "ui/ozone/ozone_base_export.h"
namespace gfx {
class Size;
class VSyncProvider;
}
namespace ui {
class NativePixmap;
typedef base::Callback<void(gfx::SwapResult)> SwapCompletionCallback;
// The platform-specific part of an EGL surface.
//
// This class owns any bits that the ozone implementation needs freed when
// the EGL surface is destroyed.
class OZONE_BASE_EXPORT SurfaceOzoneEGL {
public:
virtual ~SurfaceOzoneEGL() {}
// Returns the EGL native window for rendering onto this surface.
// This can be used to to create a GLSurface.
virtual intptr_t /* EGLNativeWindowType */ GetNativeWindow() = 0;
// Attempts to resize the EGL native window to match the viewport
// size.
virtual bool ResizeNativeWindow(const gfx::Size& viewport_size) = 0;
// Called after we swap buffers. This is usually a no-op but can
// be used to present the new front buffer if the platform requires this.
virtual bool OnSwapBuffers() = 0;
// Called after we swap buffers. This is usually a no-op but can
// be used to present the new front buffer if the platform requires this.
// The callback should be run on the calling thread
// (i.e. same thread SwapBuffersAsync is called).
virtual bool OnSwapBuffersAsync(const SwapCompletionCallback& callback) = 0;
// Returns a gfx::VsyncProvider for this surface. Note that this may be
// called after we have entered the sandbox so if there are operations (e.g.
// opening a file descriptor providing vsync events) that must be done
// outside of the sandbox, they must have been completed in
// InitializeHardware. Returns an empty scoped_ptr on error.
virtual scoped_ptr<gfx::VSyncProvider> CreateVSyncProvider() = 0;
// Returns true if the surface is created on a UDL device.
virtual bool IsUniversalDisplayLinkDevice();
};
} // namespace ui
#endif // UI_OZONE_PUBLIC_SURFACE_OZONE_EGL_H_
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