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IddCx Info
Mike Rodriguez edited this page Dec 31, 2024
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The Virtual Display Driver supports both Windows 10 and 11. However, some features are constrained by the capabilities of the underlying system, particularly the IddCx version. For instance, HDR functionality requires IddCx 1.10, which is only available on Windows 11 23H2 or later. As a result, Windows 10 systems do not support HDR. Refer to the provided version list to verify the feature set available on your system.
| Build Number | Release Code Name | Release Name | IddCx Version | IddCxGetVersion Returned |
|---|---|---|---|---|
| 26100 | HV (Hudson Valley) | Windows 11 24H2 | 1.10 (HDR) | 0x1A80 |
| 22631 | SV3 (Sun Valley 3) | Windows 11 23H2 | 1.10 (HDR) | 0x1A00 |
| 22621 | SV2 (Sun Valley 2) | Windows 11 22H2 | 1.9 | 0x1900 |
| 22000 | SV1 (Sun Valley 1) | Windows 11 21H2 | 1.8 | 0x1800 |
| 20348 | 21H1 (Iron) | Windows Server 2022 | 1.7 | 0x1700 |
| 19045 | 22H2 (Nickel) | Windows 10 22H2 | 1.5 | 0x1500 |
| 19044 | 21H2 (Cobalt) | Windows 10 Nov 2021 Update | 1.5 | 0x1500 |
| 19043 | 21H1 (Iron) | Windows 10 May 2021 Update | 1.5 | 0x1500 |
| 19042 | 20H2 (Maganese) | Windows 10 October 2020 Update | 1.5 | 0x1500 |
| 19042 | 20H2 (Maganese) | Windows Server 20H2 | 1.5 | 0x1500 |
| 19041 | 20H1 (Vibranium) | Windows 10 May 2020 Update | 1.5 | 0x1500 |
| 18363 | 19H2 (Vanadium) | Windows 10 Nov 2019 Update | 1.4 | 0x1400 |
| 18363 | 19H2 (Vanadium) | Windows Server 1909 | 1.4 | 0x1400 |
| 18362 | 19H1 (Titanium) | Windows 10 May 2019 Update | 1.4 | 0x1400 |
| 17763 | RS5 (Redstone 5) | Windows 10 October 2018 Update | 1.3 | 0x1380 |
| 17763 | RS5 (Redstone 5) | Windows Server 2019 | 1.3 | 0x1380 |
| 17134 | RS4 (Redstone 4) | Windows 10 April 2018 Update | 1.3 | 0x1300 |
| 16299 | RS3 (Redstone 3) | Windows 10 Fall Creators Update | 1.2 | 0x1200 |
| 15063 | RS2 (Redstone 2) | Windows 10 Creators Update | 1.0 | N/A |
| 14393 | RS1 (Redstone 1) | Windows 10 Anniversary Update | 1.0 | N/A |
| IddCx Version | IddCxGetVersion Returned | Changes from Previous Public Version |
|---|---|---|
| 1.10 (HDR) | 0x1A80 | Add HDR10, SDR Wide Color Gamut (WCG), and runtime power management support - Windows 2024 |
| 1.10 (HDR) | 0x1A00 | Add HDR10 and SDR Wide Color Gamut (WCG) support - Windows 11 23H2 |
| 1.9 | 0x1900 | Add IddCxSetRealtimeGPUPriority; disallow UMDF process pooling |
| 1.8 | 0x1800 | Add IDDCX_ADAPTER_FLAGS_PREFER_PRECISE_PRESENT_REGIONS |
| 1.7 | 0x1700 | Add IddCxMonitorQueryHardwareCursor2 and deprecate IDDCX_ADAPTER_FLAGS_CAN_USE_MOVE_REGIONS |
| 1.6 | 0x1600 | Add IddCxSwapChainGetPhysicallyContiguousAddress, which will likely be deprecated in the future |
| 1.5 | 0x1500 | Add IddCxSwapChainInSystemMemory and IddCxSwapChainReleaseAndAcquireSystemBuffer |
| 1.4 | 0x1400 | Add support for remote session ID drivers, EvtIddCxMonitorGetPhysicalSize, IddCxAdapterSetRenderAdapter, and IddCxAdapterDisplayConfigUpdate |
| 1.3 | 0x1300 | Add ability to load a driver built against IddCx 1.3 or above |
| 1.2 | 0x1200 | Add IddCxGetVersion, IddCxReportCriticalError, IddCxMonitorSetSrmList, and IddCxMonitorGetSrmListVersion |
| 1.1 | N/A | Internal IddCx version update |
| 1.0 | N/A | Initial version |
- Newer versions may deprecate certain features or introduce compatibility changes.
- Pulled from https://learn.microsoft.com/en-us/windows-hardware/drivers/display/iddcx-versions.
- Special thanks to lorihollasch, mhopkins-msft, pjames78
- https://en.wikipedia.org/wiki/Windows_11_version_history
- https://en.wikipedia.org/wiki/Windows_10_version_history
- https://en.wikipedia.org/wiki/List_of_Microsoft_codenames