ui/ozone/platform/dri/dri_surface.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 UI_OZONE_PLATFORM_DRI_DRI_SURFACE_H_
   6 #define UI_OZONE_PLATFORM_DRI_DRI_SURFACE_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "ui/gfx/geometry/rect.h"
  10 #include "ui/gfx/geometry/size.h"
  11 #include "ui/gfx/skia_util.h"
  12 #include "ui/ozone/public/surface_ozone_canvas.h"
  13
  14 class SkSurface;
  15
  16 namespace ui {
  17
  18 class DriBuffer;
  19 class DriWindowDelegate;
  20 class DriWrapper;
  21 class HardwareDisplayController;
  22
  23 class DriSurface : public SurfaceOzoneCanvas {
  24  public:
  25   DriSurface(DriWindowDelegate* window_delegate, DriWrapper* dri);
  26   ~DriSurface() override;
  27
  28   // SurfaceOzoneCanvas:
  29   skia::RefPtr<SkSurface> GetSurface() override;
  30   void ResizeCanvas(const gfx::Size& viewport_size) override;
  31   void PresentCanvas(const gfx::Rect& damage) override;
  32   scoped_ptr<gfx::VSyncProvider> CreateVSyncProvider() override;
  33
  34  private:
  35   void UpdateNativeSurface(const gfx::Rect& damage);
  36
  37   DriWindowDelegate* window_delegate_;
  38
  39   // Stores the connection to the graphics card. Pointer not owned by this
  40   // class.
  41   DriWrapper* dri_;
  42
  43   // The actual buffers used for painting.
  44   scoped_refptr<DriBuffer> buffers_[2];
  45
  46   // Keeps track of which bitmap is |buffers_| is the frontbuffer.
  47   int front_buffer_;
  48
  49   skia::RefPtr<SkSurface> surface_;
  50   gfx::Rect last_damage_;
  51
  52   DISALLOW_COPY_AND_ASSIGN(DriSurface);
  53 };
  54
  55 }  // namespace ui
  56
  57 #endif  // UI_OZONE_PLATFORM_DRI_DRI_SURFACE_H_