# OpenVR SDK 1.16.8

IVRCompositor:
* Added support for OpenGL array textures via the Submit_GLArrayTexture flag.


IVROverlay:
* Added support for overlays that support projections via SetOverlayTransformProjection

[git-p4: depot-paths = "//vr/steamvr/sdk_release/": change = 6385862]

Author: JoeLudwig

bin/linux32/libopenvr_api.so

@@ -731,7 +731,7 @@ public struct IVRCompositor
 	internal _GetCurrentFadeColor GetCurrentFadeColor;
 
 	[UnmanagedFunctionPointer(CallingConvention.StdCall)]
-	internal delegate void _FadeGrid(float fSeconds, bool bFadeIn);
+	internal delegate void _FadeGrid(float fSeconds, bool bFadeGridIn);
 	[MarshalAs(UnmanagedType.FunctionPtr)]
 	internal _FadeGrid FadeGrid;
 
@@ -1120,6 +1120,11 @@ public struct IVROverlay
 	[MarshalAs(UnmanagedType.FunctionPtr)]
 	internal _GetOverlayTransformCursor GetOverlayTransformCursor;
 
+	[UnmanagedFunctionPointer(CallingConvention.StdCall)]
+	internal delegate EVROverlayError _SetOverlayTransformProjection(ulong ulOverlayHandle, ETrackingUniverseOrigin eTrackingOrigin, ref HmdMatrix34_t pmatTrackingOriginToOverlayTransform, ref VROverlayProjection_t pProjection, EVREye eEye);
+	[MarshalAs(UnmanagedType.FunctionPtr)]
+	internal _SetOverlayTransformProjection SetOverlayTransformProjection;
+
 	[UnmanagedFunctionPointer(CallingConvention.StdCall)]
 	internal delegate EVROverlayError _ShowOverlay(ulong ulOverlayHandle);
 	[MarshalAs(UnmanagedType.FunctionPtr)]
@@ -2899,9 +2904,9 @@ public HmdColor_t GetCurrentFadeColor(bool bBackground)
 		HmdColor_t result = FnTable.GetCurrentFadeColor(bBackground);
 		return result;
 	}
-	public void FadeGrid(float fSeconds,bool bFadeIn)
+	public void FadeGrid(float fSeconds,bool bFadeGridIn)
 	{
-		FnTable.FadeGrid(fSeconds,bFadeIn);
+		FnTable.FadeGrid(fSeconds,bFadeGridIn);
 	}
 	public float GetCurrentGridAlpha()
 	{
@@ -3310,6 +3315,11 @@ public EVROverlayError GetOverlayTransformCursor(ulong ulOverlayHandle,ref HmdVe
 		EVROverlayError result = FnTable.GetOverlayTransformCursor(ulOverlayHandle,ref pvHotspot);
 		return result;
 	}
+	public EVROverlayError SetOverlayTransformProjection(ulong ulOverlayHandle,ETrackingUniverseOrigin eTrackingOrigin,ref HmdMatrix34_t pmatTrackingOriginToOverlayTransform,ref VROverlayProjection_t pProjection,EVREye eEye)
+	{
+		EVROverlayError result = FnTable.SetOverlayTransformProjection(ulOverlayHandle,eTrackingOrigin,ref pmatTrackingOriginToOverlayTransform,ref pProjection,eEye);
+		return result;
+	}
 	public EVROverlayError ShowOverlay(ulong ulOverlayHandle)
 	{
 		EVROverlayError result = FnTable.ShowOverlay(ulOverlayHandle);
@@ -4704,9 +4714,13 @@ public enum ETrackedDeviceProperty
 	Prop_DisplaySupportsAnalogGain_Bool = 2085,
 	Prop_DisplayMinAnalogGain_Float = 2086,
 	Prop_DisplayMaxAnalogGain_Float = 2087,
+	Prop_CameraExposureTime_Float = 2088,
+	Prop_CameraGlobalGain_Float = 2089,
 	Prop_DashboardScale_Float = 2091,
 	Prop_IpdUIRangeMinMeters_Float = 2100,
 	Prop_IpdUIRangeMaxMeters_Float = 2101,
+	Prop_Hmd_SupportsHDCP14LegacyCompat_Bool = 2102,
+	Prop_Hmd_SupportsMicMonitoring_Bool = 2103,
 	Prop_DriverRequestedMuraCorrectionMode_Int32 = 2200,
 	Prop_DriverRequestedMuraFeather_InnerLeft_Int32 = 2201,
 	Prop_DriverRequestedMuraFeather_InnerRight_Int32 = 2202,
@@ -4801,6 +4815,8 @@ public enum EVRSubmitFlags
 	Submit_TextureWithDepth = 16,
 	Submit_FrameDiscontinuty = 32,
 	Submit_VulkanTextureWithArrayData = 64,
+	Submit_GlArrayTexture = 128,
+	Submit_Reserved2 = 32768,
 }
 public enum EVRState
 {
@@ -5153,8 +5169,11 @@ public enum EVRApplicationType
 	VRApplication_SteamWatchdog = 6,
 	VRApplication_Bootstrapper = 7,
 	VRApplication_WebHelper = 8,
-	VRApplication_OpenXR = 9,
-	VRApplication_Max = 10,
+	VRApplication_OpenXRInstance = 9,
+	VRApplication_OpenXRScene = 10,
+	VRApplication_OpenXROverlay = 11,
+	VRApplication_Prism = 12,
+	VRApplication_Max = 13,
 }
 public enum EVRFirmwareError
 {
@@ -5234,6 +5253,15 @@ public enum EVRInitError
 	Init_FailedForVrMonitor = 144,
 	Init_PropertyManagerInitFailed = 145,
 	Init_WebServerFailed = 146,
+	Init_IllegalTypeTransition = 147,
+	Init_MismatchedRuntimes = 148,
+	Init_InvalidProcessId = 149,
+	Init_VRServiceStartupFailed = 150,
+	Init_PrismNeedsNewDrivers = 151,
+	Init_PrismStartupTimedOut = 152,
+	Init_CouldNotStartPrism = 153,
+	Init_CreateDriverDirectDeviceFailed = 154,
+	Init_PrismExitedUnexpectedly = 155,
 	Driver_Failed = 200,
 	Driver_Unknown = 201,
 	Driver_HmdUnknown = 202,
@@ -5349,6 +5377,9 @@ public enum EVRInitError
 	Compositor_CreateOverlayInvalidCall = 488,
 	Compositor_CreateOverlayAlreadyInitialized = 489,
 	Compositor_FailedToCreateMailbox = 490,
+	Compositor_WindowInterfaceIsNull = 491,
+	Compositor_SystemLayerCreateInstance = 492,
+	Compositor_SystemLayerCreateSession = 493,
 	VendorSpecific_UnableToConnectToOculusRuntime = 1000,
 	VendorSpecific_WindowsNotInDevMode = 1001,
 	VendorSpecific_HmdFound_CantOpenDevice = 1101,
@@ -5466,6 +5497,7 @@ public enum EVRApplicationError
 	PropertyNotSet = 201,
 	UnknownProperty = 202,
 	InvalidParameter = 203,
+	NotImplemented = 300,
 }
 public enum EVRApplicationProperty
 {
@@ -5556,6 +5588,7 @@ public enum VROverlayTransformType
 	VROverlayTransform_DashboardTab = 5,
 	VROverlayTransform_DashboardThumb = 6,
 	VROverlayTransform_Mountable = 7,
+	VROverlayTransform_Projection = 8,
 }
 public enum VROverlayFlags
 {
@@ -5949,6 +5982,11 @@ private static void _copysign(ref float sizeval, float signval)
 	public HmdVector2_t vTopLeft;
 	public HmdVector2_t vBottomRight;
 }
+[StructLayout(LayoutKind.Sequential)] public struct VRBoneTransform_t
+{
+	public HmdVector4_t position;
+	public HmdQuaternionf_t orientation;
+}
 [StructLayout(LayoutKind.Sequential)] public struct DistortionCoordinates_t
 {
 	public float rfRed0; //float[2]
@@ -6079,6 +6117,7 @@ private static void _copysign(ref float sizeval, float signval)
 {
 	public ulong overlayHandle;
 	public ulong devicePath;
+	public ulong memoryBlockId;
 }
 [StructLayout(LayoutKind.Sequential)] public struct VREvent_Status_t
 {
@@ -6301,11 +6340,6 @@ public void Unpack(ref VRControllerState_t unpacked)
 		unpacked.rAxis4 = this.rAxis4;
 	}
 }
-[StructLayout(LayoutKind.Sequential)] public struct VRBoneTransform_t
-{
-	public HmdVector4_t position;
-	public HmdQuaternionf_t orientation;
-}
 [StructLayout(LayoutKind.Sequential)] public struct CameraVideoStreamFrameHeader_t
 {
 	public EVRTrackedCameraFrameType eFrameType;
@@ -6433,6 +6467,13 @@ public void Unpack(ref VRControllerState_t unpacked)
 	public EVROverlayIntersectionMaskPrimitiveType m_nPrimitiveType;
 	public VROverlayIntersectionMaskPrimitive_Data_t m_Primitive;
 }
+[StructLayout(LayoutKind.Sequential)] public struct VROverlayProjection_t
+{
+	public float fLeft;
+	public float fRight;
+	public float fTop;
+	public float fBottom;
+}
 [StructLayout(LayoutKind.Sequential)] public struct VROverlayView_t
 {
 	public ulong overlayHandle;
@@ -7519,12 +7560,12 @@ public static uint GetInitToken()
 	public const string IVRApplications_Version = "IVRApplications_007";
 	public const string IVRChaperone_Version = "IVRChaperone_004";
 	public const string IVRChaperoneSetup_Version = "IVRChaperoneSetup_006";
-	public const string IVRCompositor_Version = "IVRCompositor_026";
+	public const string IVRCompositor_Version = "IVRCompositor_027";
 	public const uint k_unVROverlayMaxKeyLength = 128;
 	public const uint k_unVROverlayMaxNameLength = 128;
 	public const uint k_unMaxOverlayCount = 128;
 	public const uint k_unMaxOverlayIntersectionMaskPrimitivesCount = 32;
-	public const string IVROverlay_Version = "IVROverlay_024";
+	public const string IVROverlay_Version = "IVROverlay_025";
 	public const string IVROverlayView_Version = "IVROverlayView_003";
 	public const uint k_unHeadsetViewMaxWidth = 3840;
 	public const uint k_unHeadsetViewMaxHeight = 2160;
@@ -7559,6 +7600,7 @@ public static uint GetInitToken()
 	public const string k_pch_SteamVR_PlayAreaColor_String = "playAreaColor";
 	public const string k_pch_SteamVR_TrackingLossColor_String = "trackingLossColor";
 	public const string k_pch_SteamVR_ShowStage_Bool = "showStage";
+	public const string k_pch_SteamVR_DrawTrackingReferences_Bool = "drawTrackingReferences";
 	public const string k_pch_SteamVR_ActivateMultipleDrivers_Bool = "activateMultipleDrivers";
 	public const string k_pch_SteamVR_UsingSpeakers_Bool = "usingSpeakers";
 	public const string k_pch_SteamVR_SpeakersForwardYawOffsetDegrees_Float = "speakersForwardYawOffsetDegrees";
@@ -7569,6 +7611,8 @@ public static uint GetInitToken()
 	public const string k_pch_SteamVR_MaxRecommendedResolution_Int32 = "maxRecommendedResolution";
 	public const string k_pch_SteamVR_MotionSmoothing_Bool = "motionSmoothing";
 	public const string k_pch_SteamVR_MotionSmoothingOverride_Int32 = "motionSmoothingOverride";
+	public const string k_pch_SteamVR_FramesToThrottle_Int32 = "framesToThrottle";
+	public const string k_pch_SteamVR_AdditionalFramesToPredict_Int32 = "additionalFramesToPredict";
 	public const string k_pch_SteamVR_DisableAsyncReprojection_Bool = "disableAsync";
 	public const string k_pch_SteamVR_ForceFadeOnBadTracking_Bool = "forceFadeOnBadTracking";
 	public const string k_pch_SteamVR_DefaultMirrorView_Int32 = "mirrorView";
@@ -7611,6 +7655,8 @@ public static uint GetInitToken()
 	public const string k_pch_SteamVR_OverlayRenderQuality = "overlayRenderQuality_2";
 	public const string k_pch_SteamVR_BlockOculusSDKOnOpenVRLaunchOption_Bool = "blockOculusSDKOnOpenVRLaunchOption";
 	public const string k_pch_SteamVR_BlockOculusSDKOnAllLaunches_Bool = "blockOculusSDKOnAllLaunches";
+	public const string k_pch_SteamVR_HDCPLegacyCompatibility_Bool = "hdcp14legacyCompatibility";
+	public const string k_pch_SteamVR_UsePrism_Bool = "usePrism";
 	public const string k_pch_DirectMode_Section = "direct_mode";
 	public const string k_pch_DirectMode_Enable_Bool = "enable";
 	public const string k_pch_DirectMode_Count_Int32 = "count";
@@ -7703,6 +7749,7 @@ public static uint GetInitToken()
 	public const string k_pch_audio_LastHmdPlaybackDeviceId_String = "lastHmdPlaybackDeviceId";
 	public const string k_pch_audio_VIVEHDMIGain = "viveHDMIGain";
 	public const string k_pch_audio_DualSpeakerAndJackOutput_Bool = "dualSpeakerAndJackOutput";
+	public const string k_pch_audio_MuteMicMonitor_Bool = "muteMicMonitor";
 	public const string k_pch_Power_Section = "power";
 	public const string k_pch_Power_PowerOffOnExit_Bool = "powerOffOnExit";
 	public const string k_pch_Power_TurnOffScreensTimeout_Float = "turnOffScreensTimeout";
@@ -7716,6 +7763,7 @@ public static uint GetInitToken()
 	public const string k_pch_Dashboard_Position = "position";
 	public const string k_pch_Dashboard_DesktopScale = "desktopScale";
 	public const string k_pch_Dashboard_DashboardScale = "dashboardScale";
+	public const string k_pch_Dashboard_UseStandaloneSystemLayer = "standaloneSystemLayer";
 	public const string k_pch_modelskin_Section = "modelskins";
 	public const string k_pch_Driver_Enable_Bool = "enable";
 	public const string k_pch_Driver_BlockedBySafemode_Bool = "blocked_by_safe_mode";