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 namespace {
  18 void EmptyPageFlipCallback(gfx::SwapResult result) {
  19 }
  20 }  // namespace
  21
  22 GbmSurfaceless::GbmSurfaceless(DrmWindow* window_delegate,
  23                                DrmDeviceManager* drm_device_manager)
  24     : window_delegate_(window_delegate),
  25       drm_device_manager_(drm_device_manager) {
  26 }
  27
  28 GbmSurfaceless::~GbmSurfaceless() {
  29 }
  30
  31 intptr_t GbmSurfaceless::GetNativeWindow() {
  32   NOTREACHED();
  33   return 0;
  34 }
  35
  36 bool GbmSurfaceless::ResizeNativeWindow(const gfx::Size& viewport_size) {
  37   return true;
  38 }
  39
  40 bool GbmSurfaceless::OnSwapBuffers() {
  41   return window_delegate_->SchedulePageFlip(true /* is_sync */,
  42                                             base::Bind(&EmptyPageFlipCallback));
  43 }
  44
  45 bool GbmSurfaceless::OnSwapBuffersAsync(
  46     const SwapCompletionCallback& callback) {
  47   return window_delegate_->SchedulePageFlip(false /* is_sync */, callback);
  48 }
  49
  50 scoped_ptr<gfx::VSyncProvider> GbmSurfaceless::CreateVSyncProvider() {
  51   return make_scoped_ptr(new DrmVSyncProvider(window_delegate_));
  52 }
  53
  54 bool GbmSurfaceless::IsUniversalDisplayLinkDevice() {
  55   if (!drm_device_manager_)
  56     return false;
  57   scoped_refptr<DrmDevice> drm_primary =
  58       drm_device_manager_->GetDrmDevice(gfx::kNullAcceleratedWidget);
  59   DCHECK(drm_primary);
  60
  61   HardwareDisplayController* controller = window_delegate_->GetController();
  62   if (!controller)
  63     return false;
  64   scoped_refptr<DrmDevice> drm = controller->GetAllocationDrmDevice();
  65   DCHECK(drm);
  66
  67   return drm_primary != drm;
  68 }
  69
  70 }  // namespace ui