bool
D3D11LayersCrashGuard::UpdateEnvironment()
{
// Our result can be cached statically since we don't check live prefs.
static bool checked = false;
static bool changed = false;
if (checked) {
return changed;
}
checked = true;
// Feature status.
#if defined(XP_WIN)
bool d2dEnabled = gfxPrefs::Direct2DForceEnabled() ||
(!gfxPrefs::Direct2DDisabled() && FeatureEnabled(nsIGfxInfo::FEATURE_DIRECT2D));
changed |= CheckAndUpdateBoolPref("feature-d2d", d2dEnabled);
bool d3d11Enabled = !gfxPrefs::LayersPreferD3D9();
if (!FeatureEnabled(nsIGfxInfo::FEATURE_DIRECT3D_11_LAYERS)) {
d3d11Enabled = false;
}
changed |= CheckAndUpdateBoolPref("feature-d3d11", d3d11Enabled);
#endif
if (!changed) {
return false;
}
RecordTelemetry(TelemetryState::EnvironmentChanged);
return true;
}
void
D3D11LayersCrashGuard::Initialize()
{
if (!XRE_IsParentProcess()) {
// We assume the parent process already performed crash detection for
// graphics devices.
return;
}
DriverCrashGuard::Initialize();
// If no telemetry states have been recorded, this will set the state to okay.
// Otherwise, it will have no effect.
RecordTelemetry(TelemetryState::Okay);
}
void
D3D11LayersCrashGuard::LogFeatureDisabled()
{
RecordTelemetry(TelemetryState::FeatureDisabled);
gfxCriticalNote << "D3D11 layers disabled due to a prior crash.";
}
void
D3D11LayersCrashGuard::LogCrashRecovery()
{
RecordTelemetry(TelemetryState::RecoveredFromCrash);
gfxCriticalNote << "D3D11 layers just crashed; D3D11 will be disabled.";
}
void
D3D11LayersCrashGuard::LogFeatureDisabled()
{
RecordTelemetry(TelemetryState::FeatureDisabled);
gfxCriticalError(CriticalLog::DefaultOptions(false)) << "D3D11 layers disabled due to a prior crash.";
}
void
D3D11LayersCrashGuard::LogCrashRecovery()
{
RecordTelemetry(TelemetryState::RecoveredFromCrash);
gfxCriticalError(CriticalLog::DefaultOptions(false)) << "D3D11 layers just crashed; D3D11 will be disabled.";
}
