1 files changed, 109 insertions, 0 deletions
diff --git a/gfx/vr/ipc/VRGPUParent.cpp b/gfx/vr/ipc/VRGPUParent.cpp
new file mode 100644
index 0000000000..44015928f4
--- /dev/null
+++ b/gfx/vr/ipc/VRGPUParent.cpp
@@ -0,0 +1,109 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "VRGPUParent.h"
+#include "VRPuppetCommandBuffer.h"
+
+#include "mozilla/ipc/Endpoint.h"
+#include "mozilla/ipc/ProcessChild.h"
+#include "mozilla/StaticPrefs_dom.h"
+
+namespace mozilla {
+namespace gfx {
+
+using namespace ipc;
+
+VRGPUParent::VRGPUParent(ProcessId aChildProcessId) : mClosed(false) {
+  MOZ_ASSERT(NS_IsMainThread());
+
+  SetOtherProcessId(aChildProcessId);
+}
+
+VRGPUParent::~VRGPUParent() = default;
+
+void VRGPUParent::ActorDestroy(ActorDestroyReason aWhy) {
+#if !defined(MOZ_WIDGET_ANDROID)
+  if (mVRService) {
+    mVRService->Stop();
+    mVRService = nullptr;
+  }
+#endif
+
+  mClosed = true;
+}
+
+/* static */
+RefPtr<VRGPUParent> VRGPUParent::CreateForGPU(
+    Endpoint<PVRGPUParent>&& aEndpoint) {
+  if (!StaticPrefs::dom_vr_enabled() && !StaticPrefs::dom_vr_webxr_enabled()) {
+    return nullptr;
+  }
+
+  RefPtr<VRGPUParent> vcp = new VRGPUParent(aEndpoint.OtherPid());
+  GetCurrentSerialEventTarget()->Dispatch(
+      NewRunnableMethod<Endpoint<PVRGPUParent>&&>("gfx::VRGPUParent::Bind", vcp,
+                                                  &VRGPUParent::Bind,
+                                                  std::move(aEndpoint)));
+
+  return vcp;
+}
+
+void VRGPUParent::Bind(Endpoint<PVRGPUParent>&& aEndpoint) {
+  if (!aEndpoint.Bind(this)) {
+    return;
+  }
+}
+
+mozilla::ipc::IPCResult VRGPUParent::RecvStartVRService() {
+#if !defined(MOZ_WIDGET_ANDROID)
+  mVRService = VRService::Create();
+  MOZ_ASSERT(mVRService);
+
+  mVRService->Start();
+#endif
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult VRGPUParent::RecvStopVRService() {
+#if !defined(MOZ_WIDGET_ANDROID)
+  if (mVRService) {
+    mVRService->Stop();
+    mVRService = nullptr;
+  }
+#endif
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult VRGPUParent::RecvPuppetReset() {
+#if !defined(MOZ_WIDGET_ANDROID)
+  VRPuppetCommandBuffer::Get().Reset();
+#endif
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult VRGPUParent::RecvPuppetSubmit(
+    const nsTArray<uint64_t>& aBuffer) {
+#if !defined(MOZ_WIDGET_ANDROID)
+  VRPuppetCommandBuffer::Get().Submit(aBuffer);
+#endif
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult VRGPUParent::RecvPuppetCheckForCompletion() {
+#if !defined(MOZ_WIDGET_ANDROID)
+  if (VRPuppetCommandBuffer::Get().HasEnded()) {
+    Unused << SendNotifyPuppetComplete();
+  }
+#endif
+  return IPC_OK();
+}
+
+bool VRGPUParent::IsClosed() { return mClosed; }
+
+}  // namespace gfx
+}  // namespace mozilla