ui/ozone/platform/dri/dri_surface_factory.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_FACTORY_H_
   6 #define UI_OZONE_PLATFORM_DRI_DRI_SURFACE_FACTORY_H_
   7
   8 #include <map>
   9 #include <vector>
  10
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/timer/timer.h"
  13 #include "third_party/skia/include/core/SkBitmap.h"
  14 #include "ui/ozone/platform/dri/hardware_cursor_delegate.h"
  15 #include "ui/ozone/public/surface_factory_ozone.h"
  16
  17 namespace ui {
  18
  19 class DriBuffer;
  20 class DriWindowDelegateManager;
  21 class DriWrapper;
  22 class ScreenManager;
  23 class SurfaceOzoneCanvas;
  24
  25 // SurfaceFactoryOzone implementation on top of DRM/KMS using dumb buffers.
  26 // This implementation is used in conjunction with the software rendering
  27 // path.
  28 class DriSurfaceFactory : public SurfaceFactoryOzone,
  29                           public HardwareCursorDelegate {
  30  public:
  31   static const gfx::AcceleratedWidget kDefaultWidgetHandle;
  32
  33   DriSurfaceFactory(DriWrapper* drm,
  34                     ScreenManager* screen_manager,
  35                     DriWindowDelegateManager* window_manager);
  36   ~DriSurfaceFactory() override;
  37
  38   // Describes the state of the hardware after initialization.
  39   enum HardwareState {
  40     UNINITIALIZED,
  41     INITIALIZED,
  42     FAILED,
  43   };
  44
  45   // Open the display device.
  46   HardwareState InitializeHardware();
  47
  48   // Close the display device.
  49   void ShutdownHardware();
  50
  51   // SurfaceFactoryOzone:
  52   scoped_ptr<SurfaceOzoneCanvas> CreateCanvasForWidget(
  53       gfx::AcceleratedWidget widget) override;
  54   bool LoadEGLGLES2Bindings(
  55       AddGLLibraryCallback add_gl_library,
  56       SetGLGetProcAddressProcCallback set_gl_get_proc_address) override;
  57
  58   // HardwareCursorDelegate:
  59   void SetHardwareCursor(gfx::AcceleratedWidget widget,
  60                          const std::vector<SkBitmap>& bitmaps,
  61                          const gfx::Point& location,
  62                          int frame_delay_ms) override;
  63   void MoveHardwareCursor(gfx::AcceleratedWidget window,
  64                           const gfx::Point& location) override;
  65
  66  protected:
  67   // Draw the last set cursor & update the cursor plane.
  68   void ResetCursor();
  69
  70   // Draw next frame in an animated cursor.
  71   void OnCursorAnimationTimeout();
  72
  73   DriWrapper* drm_;  // Not owned.
  74   ScreenManager* screen_manager_;  // Not owned.
  75   DriWindowDelegateManager* window_manager_;  // Not owned.
  76   HardwareState state_;
  77
  78   scoped_refptr<DriBuffer> cursor_buffers_[2];
  79   int cursor_frontbuffer_;
  80
  81   gfx::AcceleratedWidget cursor_widget_;
  82   std::vector<SkBitmap> cursor_bitmaps_;
  83   gfx::Point cursor_location_;
  84   int cursor_frame_;
  85   int cursor_frame_delay_ms_;
  86   base::RepeatingTimer<DriSurfaceFactory> cursor_timer_;
  87
  88   DISALLOW_COPY_AND_ASSIGN(DriSurfaceFactory);
  89 };
  90
  91 }  // namespace ui
  92
  93 #endif  // UI_OZONE_PLATFORM_DRI_DRI_SURFACE_FACTORY_H_