gfx/vr/ipc/VRGPUParent.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "VRGPUParent.h"
   8 #include "VRPuppetCommandBuffer.h"
   9
  10 #include "mozilla/ipc/Endpoint.h"
  11 #include "mozilla/ipc/ProcessChild.h"
  12 #include "mozilla/StaticPrefs_dom.h"
  13
  14 namespace mozilla {
  15 namespace gfx {
  16
  17 using namespace ipc;
  18
  19 VRGPUParent::VRGPUParent(EndpointProcInfo aChildProcess) : mClosed(false) {
  20   MOZ_ASSERT(NS_IsMainThread());
  21
  22   SetOtherEndpointProcInfo(aChildProcess);
  23 }
  24
  25 VRGPUParent::~VRGPUParent() = default;
  26
  27 void VRGPUParent::ActorDestroy(ActorDestroyReason aWhy) {
  28 #if !defined(MOZ_WIDGET_ANDROID)
  29   if (mVRService) {
  30     mVRService->Stop();
  31     mVRService = nullptr;
  32   }
  33 #endif
  34
  35   mClosed = true;
  36 }
  37
  38 /* static */
  39 RefPtr<VRGPUParent> VRGPUParent::CreateForGPU(
  40     Endpoint<PVRGPUParent>&& aEndpoint) {
  41   if (!StaticPrefs::dom_vr_enabled() && !StaticPrefs::dom_vr_webxr_enabled()) {
  42     return nullptr;
  43   }
  44
  45   RefPtr<VRGPUParent> vcp = new VRGPUParent(aEndpoint.OtherEndpointProcInfo());
  46   GetCurrentSerialEventTarget()->Dispatch(
  47       NewRunnableMethod<Endpoint<PVRGPUParent>&&>("gfx::VRGPUParent::Bind", vcp,
  48                                                   &VRGPUParent::Bind,
  49                                                   std::move(aEndpoint)));
  50
  51   return vcp;
  52 }
  53
  54 void VRGPUParent::Bind(Endpoint<PVRGPUParent>&& aEndpoint) {
  55   if (!aEndpoint.Bind(this)) {
  56     return;
  57   }
  58 }
  59
  60 mozilla::ipc::IPCResult VRGPUParent::RecvStartVRService() {
  61 #if !defined(MOZ_WIDGET_ANDROID)
  62   mVRService = VRService::Create();
  63   MOZ_ASSERT(mVRService);
  64
  65   mVRService->Start();
  66 #endif
  67
  68   return IPC_OK();
  69 }
  70
  71 mozilla::ipc::IPCResult VRGPUParent::RecvStopVRService() {
  72 #if !defined(MOZ_WIDGET_ANDROID)
  73   if (mVRService) {
  74     mVRService->Stop();
  75     mVRService = nullptr;
  76   }
  77 #endif
  78
  79   return IPC_OK();
  80 }
  81
  82 mozilla::ipc::IPCResult VRGPUParent::RecvPuppetReset() {
  83 #if !defined(MOZ_WIDGET_ANDROID)
  84   VRPuppetCommandBuffer::Get().Reset();
  85 #endif
  86   return IPC_OK();
  87 }
  88
  89 mozilla::ipc::IPCResult VRGPUParent::RecvPuppetSubmit(
  90     const nsTArray<uint64_t>& aBuffer) {
  91 #if !defined(MOZ_WIDGET_ANDROID)
  92   VRPuppetCommandBuffer::Get().Submit(aBuffer);
  93 #endif
  94   return IPC_OK();
  95 }
  96
  97 mozilla::ipc::IPCResult VRGPUParent::RecvPuppetCheckForCompletion() {
  98 #if !defined(MOZ_WIDGET_ANDROID)
  99   if (VRPuppetCommandBuffer::Get().HasEnded()) {
 100     Unused << SendNotifyPuppetComplete();
 101   }
 102 #endif
 103   return IPC_OK();
 104 }
 105
 106 bool VRGPUParent::IsClosed() { return mClosed; }
 107
 108 }  // namespace gfx
 109 }  // namespace mozilla