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[WIP] Validate IddCx software gamma-ramp capability #513

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[WIP] Validate IddCx software gamma-ramp capability #513

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5 changes: 4 additions & 1 deletion Virtual Display Driver (HDR)/MttVDD/Driver.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3710,7 +3710,10 @@ void IndirectDeviceContext::InitAdapter()
// Declare basic feature support for the adapter (required)
AdapterCaps.MaxMonitorsSupported = numVirtualDisplays;
AdapterCaps.EndPointDiagnostics.Size = sizeof(AdapterCaps.EndPointDiagnostics);
AdapterCaps.EndPointDiagnostics.GammaSupport = IDDCX_FEATURE_IMPLEMENTATION_NONE;
// The VDD registers EVT_IDD_CX_MONITOR_SET_GAMMA_RAMP above. Advertise
// software gamma support so Windows exposes the standard gamma-ramp APIs
// on the VDD DC; the callback path is exercised by the VM validation.
AdapterCaps.EndPointDiagnostics.GammaSupport = IDDCX_FEATURE_IMPLEMENTATION_SOFTWARE;
AdapterCaps.EndPointDiagnostics.TransmissionType = IDDCX_TRANSMISSION_TYPE_WIRED_OTHER;

// Declare your device strings for telemetry (required)
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