gfx/layers/d3d11/GpuProcessD3D11QueryMap.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 "GpuProcessD3D11QueryMap.h"
   8
   9 #include "mozilla/webrender/RenderThread.h"
  10
  11 namespace mozilla {
  12
  13 namespace layers {
  14
  15 StaticAutoPtr<GpuProcessD3D11QueryMap> GpuProcessD3D11QueryMap::sInstance;
  16
  17 /* static */
  18 void GpuProcessD3D11QueryMap::Init() {
  19   MOZ_ASSERT(XRE_IsGPUProcess());
  20   sInstance = new GpuProcessD3D11QueryMap();
  21 }
  22
  23 /* static */
  24 void GpuProcessD3D11QueryMap::Shutdown() {
  25   MOZ_ASSERT(XRE_IsGPUProcess());
  26   sInstance = nullptr;
  27 }
  28
  29 GpuProcessD3D11QueryMap::GpuProcessD3D11QueryMap()
  30     : mMonitor("GpuProcessD3D11QueryMap::mMonitor") {}
  31
  32 GpuProcessD3D11QueryMap::~GpuProcessD3D11QueryMap() {}
  33
  34 void GpuProcessD3D11QueryMap::Register(GpuProcessQueryId aQueryId,
  35                                        ID3D11Query* aQuery) {
  36   MOZ_RELEASE_ASSERT(aQuery);
  37
  38   MonitorAutoLock lock(mMonitor);
  39   mD3D11QueriesById[aQueryId] = aQuery;
  40 }
  41
  42 void GpuProcessD3D11QueryMap::Unregister(GpuProcessQueryId aQueryId) {
  43   MonitorAutoLock lock(mMonitor);
  44
  45   auto it = mD3D11QueriesById.find(aQueryId);
  46   if (it == mD3D11QueriesById.end()) {
  47     return;
  48   }
  49   mD3D11QueriesById.erase(it);
  50 }
  51
  52 RefPtr<ID3D11Query> GpuProcessD3D11QueryMap::GetQuery(
  53     GpuProcessQueryId aQueryId) {
  54   MonitorAutoLock lock(mMonitor);
  55
  56   auto it = mD3D11QueriesById.find(aQueryId);
  57   if (it == mD3D11QueriesById.end()) {
  58     return nullptr;
  59   }
  60
  61   return it->second;
  62 }
  63
  64 }  // namespace layers
  65 }  // namespace mozilla