widget/src/xpwidgets/GfxDriverInfo.cpp

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  37
  38 #include "GfxDriverInfo.h"
  39 #include "nsIGfxInfo.h"
  40
  41 using namespace mozilla::widget;
  42
  43 PRUint32 GfxDriverInfo::allAdapterVendors = 0;
  44 PRInt32 GfxDriverInfo::allFeatures = 0;
  45 GfxDeviceFamily GfxDriverInfo::allDevices = nsnull;
  46
  47 GfxDriverInfo::GfxDriverInfo()
  48   : mOperatingSystem(DRIVER_OS_UNKNOWN),
  49     mAdapterVendor(allAdapterVendors),
  50     mDevices(allDevices),
  51     mDeleteDevices(false),
  52     mFeature(allFeatures),
  53     mFeatureStatus(nsIGfxInfo::FEATURE_NO_INFO),
  54     mComparisonOp(DRIVER_UNKNOWN_COMPARISON),
  55     mDriverVersion(0),
  56     mDriverVersionMax(0),
  57     mSuggestedVersion(nsnull)
  58 {}
  59
  60 GfxDriverInfo::GfxDriverInfo(OperatingSystem os, PRUint32 vendor,
  61                              GfxDeviceFamily devices,
  62                              PRInt32 feature, PRInt32 featureStatus,
  63                              VersionComparisonOp op,
  64                              PRUint64 driverVersion,
  65                              const char *suggestedVersion /* = nsnull */,
  66                              bool ownDevices /* = false */)
  67   : mOperatingSystem(os),
  68     mAdapterVendor(vendor),
  69     mDevices(devices),
  70     mDeleteDevices(ownDevices),
  71     mFeature(feature),
  72     mFeatureStatus(featureStatus),
  73     mComparisonOp(op),
  74     mDriverVersion(driverVersion),
  75     mDriverVersionMax(0),
  76     mSuggestedVersion(suggestedVersion)
  77 {}
  78
  79 GfxDriverInfo::GfxDriverInfo(const GfxDriverInfo& aOrig)
  80   : mOperatingSystem(aOrig.mOperatingSystem),
  81     mAdapterVendor(aOrig.mAdapterVendor),
  82     mFeature(aOrig.mFeature),
  83     mFeatureStatus(aOrig.mFeatureStatus),
  84     mComparisonOp(aOrig.mComparisonOp),
  85     mDriverVersion(aOrig.mDriverVersion),
  86     mDriverVersionMax(aOrig.mDriverVersionMax),
  87     mSuggestedVersion(aOrig.mSuggestedVersion)
  88 {
  89   // If we're managing the lifetime of the devices array, we have to make a
  90   // copy of the original's array.
  91   if (aOrig.mDeleteDevices) {
  92     PRUint32 count = 0;
  93     const PRUint32 *device = aOrig.mDevices;
  94     while (*device) {
  95       count++;
  96       device++;
  97     }
  98
  99     mDevices = new PRUint32[count + 1];
 100     memcpy(mDevices, aOrig.mDevices, sizeof(PRUint32) * (count + 1));
 101   } else {
 102     mDevices = aOrig.mDevices;
 103   }
 104
 105   mDeleteDevices = aOrig.mDeleteDevices;
 106 }
 107
 108 GfxDriverInfo::~GfxDriverInfo()
 109 {
 110   if (mDeleteDevices)
 111     delete[] mDevices;
 112 }