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