Adding Chrome-side WebVR interface

content/renderer/renderer_blink_platform_impl.cc

 // Copyright (c) 2012 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 "content/renderer/renderer_blink_platform_impl.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 36 matching lines @@
 #include "content/renderer/gamepad_shared_memory_reader.h"
 #include "content/renderer/media/audio_decoder.h"
 #include "content/renderer/media/renderer_webaudiodevice_impl.h"
 #include "content/renderer/media/renderer_webmidiaccessor_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/renderer_clipboard_delegate.h"
 #include "content/renderer/scheduler/renderer_scheduler.h"
 #include "content/renderer/scheduler/web_scheduler_impl.h"
 #include "content/renderer/scheduler/webthread_impl_for_scheduler.h"
 #include "content/renderer/screen_orientation/screen_orientation_observer.h"
+#include "content/renderer/vr_dispatcher.h"
 #include "content/renderer/webclipboard_impl.h"
 #include "content/renderer/webgraphicscontext3d_provider_impl.h"
 #include "content/renderer/webpublicsuffixlist_impl.h"
 #include "gpu/config/gpu_info.h"
 #include "ipc/ipc_sync_message_filter.h"
 #include "media/audio/audio_output_device.h"
 #include "media/base/audio_hardware_config.h"
 #include "media/base/key_systems.h"
 #include "media/blink/webcontentdecryptionmodule_impl.h"
 #include "media/filters/stream_parser_factory.h"
 #include "net/base/mime_util.h"
 #include "net/base/net_util.h"
 #include "storage/common/quota/quota_types.h"
 #include "third_party/WebKit/public/platform/WebBatteryStatusListener.h"
 #include "third_party/WebKit/public/platform/WebBlobRegistry.h"
 #include "third_party/WebKit/public/platform/WebDeviceLightListener.h"
 #include "third_party/WebKit/public/platform/WebDeviceMotionListener.h"
 #include "third_party/WebKit/public/platform/WebDeviceOrientationListener.h"
 #include "third_party/WebKit/public/platform/WebFileInfo.h"
 #include "third_party/WebKit/public/platform/WebGamepads.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamCenter.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamCenterClient.h"
 #include "third_party/WebKit/public/platform/WebPluginListBuilder.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
+#include "third_party/WebKit/public/platform/WebVR.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 #include "ui/gfx/color_profile.h"
 #include "url/gurl.h"
 
 #if defined(OS_ANDROID)
 #include "content/renderer/android/synchronous_compositor_factory.h"
 #include "content/renderer/media/android/audio_decoder_android.h"
 #include "gpu/blink/webgraphicscontext3d_in_process_command_buffer_impl.h"
 #endif
 
@@ skipping 743 matching lines @@
 void RendererBlinkPlatformImpl::sampleGamepads(WebGamepads& gamepads) {
   PlatformEventObserverBase* observer =
       platform_event_observers_.Lookup(blink::WebPlatformEventGamepad);
   if (!observer)
     return;
   static_cast<RendererGamepadProvider*>(observer)->SampleGamepads(gamepads);
 }
 
 //------------------------------------------------------------------------------
 
+void RendererBlinkPlatformImpl::getVRDevices(
+    blink::WebVector<blink::WebVRDevice>* devices) {

[no sievers, 2015/03/26 19:55:15]

Looks like all the APIs below check RenderThreadImpl::current() for NULL and
early-out. Although I'm not fully sure why (maybe to accomodate some standalone
tests?). But maybe we should do it here too for consistency.

+  RenderThreadImpl::current()->vr_dispatcher()->GetVRDevices(
+      devices);
+}
+
+void RendererBlinkPlatformImpl::getHMDSensorState(
+    unsigned index, blink::WebHMDSensorState& into) {
+  RenderThreadImpl::current()->vr_dispatcher()->GetSensorState(index, into);
+}
+
+void RendererBlinkPlatformImpl::resetVRSensor(unsigned index) {
+  RenderThreadImpl::current()->vr_dispatcher()->ResetSensor(index);
+}
+
+void RendererBlinkPlatformImpl::getVRRenderTargetRects(unsigned index,
+    blink::WebVRFieldOfView leftFov,
+    blink::WebVRFieldOfView rightFov,
+    blink::WebVRVector4* leftRect,
+    blink::WebVRVector4* rightRect) {
+  RenderThreadImpl::current()->vr_dispatcher()->GetRenderTargetRects(
+      index, leftFov, rightFov, leftRect, rightRect);
+}
+
+//------------------------------------------------------------------------------
+
 WebRTCPeerConnectionHandler*
 RendererBlinkPlatformImpl::createRTCPeerConnectionHandler(
     WebRTCPeerConnectionHandlerClient* client) {
   RenderThreadImpl* render_thread = RenderThreadImpl::current();
   DCHECK(render_thread);
   if (!render_thread)
     return NULL;
 
 #if defined(ENABLE_WEBRTC)
   WebRTCPeerConnectionHandler* peer_connection_handler =
@@ skipping 347 matching lines @@
 //------------------------------------------------------------------------------
 
 void RendererBlinkPlatformImpl::MockBatteryStatusChangedForTesting(
     const blink::WebBatteryStatus& status) {
   if (!g_test_battery_status_listener)
     return;
   g_test_battery_status_listener->updateBatteryStatus(status);
 }
 
 }  // namespace content