Ozone integration.

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

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ui/ozone/platform/drm/gpu/gbm_surfaceless.h"
+
+#include "base/bind.h"
+#include "base/bind_helpers.h"
+#include "ui/ozone/platform/drm/gpu/drm_device.h"
+#include "ui/ozone/platform/drm/gpu/drm_device_manager.h"
+#include "ui/ozone/platform/drm/gpu/drm_vsync_provider.h"
+#include "ui/ozone/platform/drm/gpu/drm_window.h"
+#include "ui/ozone/platform/drm/gpu/gbm_buffer.h"
+#include "ui/ozone/platform/drm/gpu/hardware_display_controller.h"
+
+namespace ui {
+namespace {
+void EmptyPageFlipCallback(gfx::SwapResult result) {
+}
+}  // namespace
+
+GbmSurfaceless::GbmSurfaceless(DrmWindow* window_delegate,
+                               DrmDeviceManager* drm_device_manager)
+    : window_delegate_(window_delegate),
+      drm_device_manager_(drm_device_manager) {
+}
+
+GbmSurfaceless::~GbmSurfaceless() {
+}
+
+intptr_t GbmSurfaceless::GetNativeWindow() {
+  NOTREACHED();
+  return 0;
+}
+
+bool GbmSurfaceless::ResizeNativeWindow(const gfx::Size& viewport_size) {
+  return true;
+}
+
+bool GbmSurfaceless::OnSwapBuffers() {
+  return window_delegate_->SchedulePageFlip(true /* is_sync */,
+                                            base::Bind(&EmptyPageFlipCallback));
+}
+
+bool GbmSurfaceless::OnSwapBuffersAsync(
+    const SwapCompletionCallback& callback) {
+  return window_delegate_->SchedulePageFlip(false /* is_sync */, callback);
+}
+
+scoped_ptr<gfx::VSyncProvider> GbmSurfaceless::CreateVSyncProvider() {
+  return make_scoped_ptr(new DrmVSyncProvider(window_delegate_));
+}
+
+bool GbmSurfaceless::IsUniversalDisplayLinkDevice() {
+  if (!drm_device_manager_)
+    return false;
+  scoped_refptr<DrmDevice> drm_primary =
+      drm_device_manager_->GetDrmDevice(gfx::kNullAcceleratedWidget);
+  DCHECK(drm_primary);
+
+  HardwareDisplayController* controller = window_delegate_->GetController();
+  if (!controller)
+    return false;
+  scoped_refptr<DrmDevice> drm = controller->GetAllocationDrmDevice();
+  DCHECK(drm);
+
+  return drm_primary != drm;
+}
+
+}  // namespace ui