tor-browser

The Tor Browser
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D3DMessageUtils.cpp (2500B)

      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 #include "D3DMessageUtils.h"
      7 #if defined(XP_WIN)
      8 #  include "gfxWindowsPlatform.h"
      9 #endif
     10 
     11 bool DxgiAdapterDesc::operator==(const DxgiAdapterDesc& aOther) const {
     12  return memcmp(&aOther, this, sizeof(*this)) == 0;
     13 }
     14 
     15 #if defined(XP_WIN)
     16 static_assert(sizeof(DxgiAdapterDesc) == sizeof(DXGI_ADAPTER_DESC),
     17              "DXGI_ADAPTER_DESC doe snot match DxgiAdapterDesc");
     18 
     19 const DxgiAdapterDesc& DxgiAdapterDesc::From(const DXGI_ADAPTER_DESC& aDesc) {
     20  return reinterpret_cast<const DxgiAdapterDesc&>(aDesc);
     21 }
     22 
     23 const DXGI_ADAPTER_DESC& DxgiAdapterDesc::ToDesc() const {
     24  return reinterpret_cast<const DXGI_ADAPTER_DESC&>(*this);
     25 }
     26 #endif
     27 
     28 namespace IPC {
     29 
     30 void ParamTraits<DxgiAdapterDesc>::Write(MessageWriter* aWriter,
     31                                         const paramType& aParam) {
     32 #if defined(XP_WIN)
     33  aWriter->WriteBytes(aParam.Description, sizeof(aParam.Description));
     34  WriteParam(aWriter, aParam.VendorId);
     35  WriteParam(aWriter, aParam.DeviceId);
     36  WriteParam(aWriter, aParam.SubSysId);
     37  WriteParam(aWriter, aParam.Revision);
     38  WriteParam(aWriter, aParam.DedicatedVideoMemory);
     39  WriteParam(aWriter, aParam.DedicatedSystemMemory);
     40  WriteParam(aWriter, aParam.SharedSystemMemory);
     41  WriteParam(aWriter, aParam.AdapterLuid.LowPart);
     42  WriteParam(aWriter, aParam.AdapterLuid.HighPart);
     43 #endif
     44 }
     45 
     46 bool ParamTraits<DxgiAdapterDesc>::Read(MessageReader* aReader,
     47                                        paramType* aResult) {
     48 #if defined(XP_WIN)
     49  if (!aReader->ReadBytesInto(aResult->Description,
     50                              sizeof(aResult->Description))) {
     51    return false;
     52  }
     53 
     54  if (ReadParam(aReader, &aResult->VendorId) &&
     55      ReadParam(aReader, &aResult->DeviceId) &&
     56      ReadParam(aReader, &aResult->SubSysId) &&
     57      ReadParam(aReader, &aResult->Revision) &&
     58      ReadParam(aReader, &aResult->DedicatedVideoMemory) &&
     59      ReadParam(aReader, &aResult->DedicatedSystemMemory) &&
     60      ReadParam(aReader, &aResult->SharedSystemMemory) &&
     61      ReadParam(aReader, &aResult->AdapterLuid.LowPart) &&
     62      ReadParam(aReader, &aResult->AdapterLuid.HighPart)) {
     63    return true;
     64  }
     65  return false;
     66 #else
     67  return true;
     68 #endif
     69 }
     70 
     71 }  // namespace IPC