ui/ozone/platform/drm/gpu/gbm_surfaceless.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_DRM_GPU_GBM_SURFACELESS_H_
   6 #define UI_OZONE_PLATFORM_DRM_GPU_GBM_SURFACELESS_H_
   7
   8 #include "ui/ozone/public/surface_ozone_egl.h"
   9
  10 namespace gfx {
  11 class Size;
  12 }  // namespace gfx
  13
  14 namespace ui {
  15
  16 class DrmDeviceManager;
  17 class DrmWindow;
  18
  19 // In surfaceless mode drawing and displaying happens directly through
  20 // NativePixmap buffers. CC would call into SurfaceFactoryOzone to allocate the
  21 // buffers and then call ScheduleOverlayPlane(..) to schedule the buffer for
  22 // presentation.
  23 class GbmSurfaceless : public SurfaceOzoneEGL {
  24  public:
  25   GbmSurfaceless(DrmWindow* window_delegate,
  26                  DrmDeviceManager* drm_device_manager);
  27   ~GbmSurfaceless() override;
  28
  29   // SurfaceOzoneEGL:
  30   intptr_t GetNativeWindow() override;
  31   bool ResizeNativeWindow(const gfx::Size& viewport_size) override;
  32   bool OnSwapBuffers() override;
  33   bool OnSwapBuffersAsync(const SwapCompletionCallback& callback) override;
  34   scoped_ptr<gfx::VSyncProvider> CreateVSyncProvider() override;
  35   bool IsUniversalDisplayLinkDevice() override;
  36
  37  protected:
  38   DrmWindow* window_delegate_;
  39   DrmDeviceManager* drm_device_manager_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(GbmSurfaceless);
  42 };
  43
  44 }  // namespace ui
  45
  46 #endif  // UI_OZONE_PLATFORM_DRM_GPU_GBM_SURFACELESS_H_