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