gfx/ipc/D3DMessageUtils.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 #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