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// Copyright 2015 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_GL_GL_SURFACE_OVERLAY_H_
#define UI_GL_GL_SURFACE_OVERLAY_H_
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/gpu_fence.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gfx/overlay_transform.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(int z_order,
gfx::OverlayTransform transform,
GLImage* image,
const gfx::Rect& bounds_rect,
const gfx::RectF& crop_rect,
bool enable_blend,
std::unique_ptr<gfx::GpuFence> gpu_fence);
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 z_order_; }
private:
int z_order_;
gfx::OverlayTransform transform_;
scoped_refptr<GLImage> image_;
gfx::Rect bounds_rect_;
gfx::RectF crop_rect_;
bool enable_blend_;
std::unique_ptr<gfx::GpuFence> gpu_fence_;
};
} // namespace gl
#endif // UI_GL_GL_SURFACE_OVERLAY_H_
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