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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_DEMO_SURFACELESS_GL_RENDERER_H_
#define UI_OZONE_DEMO_SURFACELESS_GL_RENDERER_H_
#include <memory>
#include "base/macros.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/ozone/demo/gl_renderer.h"
namespace gl {
class GLImage;
}
namespace ui {
class OverlayCandidatesOzone;
class SurfacelessGlRenderer : public GlRenderer {
public:
SurfacelessGlRenderer(gfx::AcceleratedWidget widget,
const scoped_refptr<gl::GLSurface>& surface,
const gfx::Size& size);
~SurfacelessGlRenderer() override;
// Renderer:
bool Initialize() override;
private:
// GlRenderer:
void RenderFrame() override;
void PostRenderFrameTask(gfx::SwapResult result) override;
void OverlayChecker(int z_order, gfx::Rect bounds_rect, gfx::RectF crop_rect);
class BufferWrapper {
public:
BufferWrapper();
~BufferWrapper();
gl::GLImage* image() const { return image_.get(); }
bool Initialize(gfx::AcceleratedWidget widget, const gfx::Size& size);
void BindFramebuffer();
const gfx::Size size() const { return size_; }
private:
gfx::AcceleratedWidget widget_ = gfx::kNullAcceleratedWidget;
gfx::Size size_;
scoped_refptr<gl::GLImage> image_;
unsigned int gl_fb_ = 0;
unsigned int gl_tex_ = 0;
};
std::unique_ptr<BufferWrapper> buffers_[2];
std::unique_ptr<BufferWrapper> overlay_buffer_;
std::unique_ptr<OverlayCandidatesOzone> overlay_checker_;
int back_buffer_ = 0;
base::WeakPtrFactory<SurfacelessGlRenderer> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(SurfacelessGlRenderer);
};
} // namespace ui
#endif // UI_OZONE_DEMO_SURFACELESS_GL_RENDERER_H_
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