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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_GL_GL_SURFACE_OVERLAY_H_
#define UI_GL_GL_SURFACE_OVERLAY_H_
#include "base/memory/ref_counted.h"
#include "ui/gfx/gpu_fence.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gfx/overlay_plane_data.h"
#include "ui/gl/gl_export.h"
#include "ui/gl/gl_image.h"
namespace gfx {
class GpuFence;
} // namespace gfx
namespace gl {
// For saving the properties of a GLImage overlay plane and scheduling it later.
class GL_EXPORT GLSurfaceOverlay {
public:
GLSurfaceOverlay(GLImage* image,
std::unique_ptr<gfx::GpuFence> gpu_fence,
const gfx::OverlayPlaneData& overlay_plane_data);
GLSurfaceOverlay(GLSurfaceOverlay&& other);
~GLSurfaceOverlay();
// Schedule the image as an overlay plane to be shown at swap time for
// |widget|.
//
// This should be called at most once.
bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget);
void Flush() const;
gfx::GpuFence* gpu_fence() const { return gpu_fence_.get(); }
int z_order() const { return overlay_plane_data_.z_order; }
private:
scoped_refptr<GLImage> image_;
std::unique_ptr<gfx::GpuFence> gpu_fence_;
gfx::OverlayPlaneData overlay_plane_data_;
};
} // namespace gl
#endif // UI_GL_GL_SURFACE_OVERLAY_H_
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