content/browser/compositor/software_output_device_ozone.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_BROWSER_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_OZONE_H_
   6 #define CONTENT_BROWSER_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_OZONE_H_
   7
   8 #include "cc/output/software_output_device.h"
   9 #include "content/common/content_export.h"
  10 #include "ui/gfx/native_widget_types.h"
  11
  12 namespace ui {
  13 class Compositor;
  14 class SurfaceOzoneCanvas;
  15 }
  16
  17 namespace content {
  18
  19 // Ozone implementation which relies on software rendering. Ozone will present
  20 // an accelerated widget as a SkCanvas. SoftwareOutputDevice will then use the
  21 // Ozone provided canvas to draw.
  22 class CONTENT_EXPORT SoftwareOutputDeviceOzone
  23     : public cc::SoftwareOutputDevice {
  24  public:
  25   explicit SoftwareOutputDeviceOzone(ui::Compositor* compositor);
  26   ~SoftwareOutputDeviceOzone() override;
  27
  28   void Resize(const gfx::Size& viewport_pixel_size,
  29                       float scale_factor) override;
  30   SkCanvas* BeginPaint(const gfx::Rect& damage_rect) override;
  31   void EndPaint() override;
  32
  33  private:
  34   ui::Compositor* compositor_;
  35
  36   scoped_ptr<ui::SurfaceOzoneCanvas> surface_ozone_;
  37
  38   DISALLOW_COPY_AND_ASSIGN(SoftwareOutputDeviceOzone);
  39 };
  40
  41 }  // namespace content
  42
  43 #endif  // CONTENT_BROWSER_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_OZONE_H_