ui/ozone/platform/drm/gpu/gbm_surfaceless.cc

   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 #include "ui/ozone/platform/drm/gpu/gbm_surfaceless.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "ui/ozone/platform/drm/gpu/drm_device.h"
  10 #include "ui/ozone/platform/drm/gpu/drm_device_manager.h"
  11 #include "ui/ozone/platform/drm/gpu/drm_vsync_provider.h"
  12 #include "ui/ozone/platform/drm/gpu/drm_window.h"
  13 #include "ui/ozone/platform/drm/gpu/gbm_buffer.h"
  14 #include "ui/ozone/platform/drm/gpu/hardware_display_controller.h"
  15
  16 namespace ui {
  17
  18 GbmSurfaceless::GbmSurfaceless(DrmWindow* window_delegate,
  19                                DrmDeviceManager* drm_device_manager)
  20     : window_delegate_(window_delegate),
  21       drm_device_manager_(drm_device_manager) {
  22 }
  23
  24 GbmSurfaceless::~GbmSurfaceless() {
  25 }
  26
  27 intptr_t GbmSurfaceless::GetNativeWindow() {
  28   NOTREACHED();
  29   return 0;
  30 }
  31
  32 bool GbmSurfaceless::ResizeNativeWindow(const gfx::Size& viewport_size) {
  33   return true;
  34 }
  35
  36 bool GbmSurfaceless::OnSwapBuffers() {
  37   return window_delegate_->SchedulePageFlip(true /* is_sync */,
  38                                             base::Bind(&base::DoNothing));
  39 }
  40
  41 bool GbmSurfaceless::OnSwapBuffersAsync(
  42     const SwapCompletionCallback& callback) {
  43   return window_delegate_->SchedulePageFlip(false /* is_sync */, callback);
  44 }
  45
  46 scoped_ptr<gfx::VSyncProvider> GbmSurfaceless::CreateVSyncProvider() {
  47   return make_scoped_ptr(new DrmVSyncProvider(window_delegate_));
  48 }
  49
  50 bool GbmSurfaceless::IsUniversalDisplayLinkDevice() {
  51   if (!drm_device_manager_)
  52     return false;
  53   scoped_refptr<DrmDevice> drm_primary =
  54       drm_device_manager_->GetDrmDevice(gfx::kNullAcceleratedWidget);
  55   DCHECK(drm_primary);
  56
  57   HardwareDisplayController* controller = window_delegate_->GetController();
  58   if (!controller)
  59     return false;
  60   scoped_refptr<DrmDevice> drm = controller->GetAllocationDrmDevice();
  61   DCHECK(drm);
  62
  63   return drm_primary != drm;
  64 }
  65
  66 }  // namespace ui