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   HardwareDisplayController* controller = window_delegate_->GetController();
  38   if (!controller)
  39     return true;
  40
  41   return controller->SchedulePageFlip(true /* is_sync */,
  42                                       base::Bind(&base::DoNothing));
  43 }
  44
  45 bool GbmSurfaceless::OnSwapBuffersAsync(
  46     const SwapCompletionCallback& callback) {
  47   HardwareDisplayController* controller = window_delegate_->GetController();
  48   if (!controller) {
  49     callback.Run();
  50     return true;
  51   }
  52
  53   return controller->SchedulePageFlip(false /* is_sync */, callback);
  54 }
  55
  56 scoped_ptr<gfx::VSyncProvider> GbmSurfaceless::CreateVSyncProvider() {
  57   return make_scoped_ptr(new DrmVSyncProvider(window_delegate_));
  58 }
  59
  60 bool GbmSurfaceless::IsUniversalDisplayLinkDevice() {
  61   if (!drm_device_manager_)
  62     return false;
  63   scoped_refptr<DrmDevice> drm_primary =
  64       drm_device_manager_->GetDrmDevice(gfx::kNullAcceleratedWidget);
  65   DCHECK(drm_primary);
  66
  67   HardwareDisplayController* controller = window_delegate_->GetController();
  68   if (!controller)
  69     return false;
  70   scoped_refptr<DrmDevice> drm = controller->GetAllocationDrmDevice();
  71   DCHECK(drm);
  72
  73   return drm_primary != drm;
  74 }
  75
  76 }  // namespace ui