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#1007 Fixed so that SteamVR.enabled doesn't allocate each frame #1073

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#1007 Fixed so that SteamVR.enabled doesn't allocate each frame #1073

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39d02d5
#1007 Fixed so that SteamVR.enabled doesn't allocate each frame
AndersMalmgren Nov 23, 2022
b7c2009
#1007 Fixed zero alloc version of UpdateActionSetsArray
AndersMalmgren Jan 10, 2023
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46 changes: 39 additions & 7 deletions Assets/SteamVR/Input/SteamVR_ActionSet_Manager.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -74,12 +74,20 @@ public static void SetChanged()
changed = true;
}

private static Dictionary<int, VRActiveActionSet_t[]> pool;
private static VRActiveActionSet_t[] activeActionSetsArray;

private static void UpdateActionSetsArray()
{
List<VRActiveActionSet_t> activeActionSetsList = new List<VRActiveActionSet_t>();

var activeActionSetsCount = 0;
SteamVR_Input_Sources[] sources = SteamVR_Input_Source.GetAllSources();

if (pool == null)
{
pool = new Dictionary<int, VRActiveActionSet_t[]>();
activeActionSetsArray = new VRActiveActionSet_t[SteamVR_Input.actionSets.Length * sources.Length];
}

for (int actionSetIndex = 0; actionSetIndex < SteamVR_Input.actionSets.Length; actionSetIndex++)
{
SteamVR_ActionSet set = SteamVR_Input.actionSets[actionSetIndex];
Expand All @@ -95,20 +103,44 @@ private static void UpdateActionSetsArray()
activeSet.nPriority = set.ReadRawSetPriority(source);
activeSet.ulRestrictedToDevice = SteamVR_Input_Source.GetHandle(source);

int insertionIndex = 0;
for (insertionIndex = 0; insertionIndex < activeActionSetsList.Count; insertionIndex++)
int insertionIndex;
for (insertionIndex = 0; insertionIndex < activeActionSetsCount; insertionIndex++)
{
if (activeActionSetsList[insertionIndex].nPriority > activeSet.nPriority)
if (activeActionSetsArray[insertionIndex].nPriority > activeSet.nPriority)
break;
}
activeActionSetsList.Insert(insertionIndex, activeSet);

for (int i = activeActionSetsCount; i > insertionIndex; i--)
{
activeActionSetsArray[i] = activeActionSetsArray[i - 1];
}
activeActionSetsArray[insertionIndex] = activeSet;
activeActionSetsCount++;
}
}
}

if (rawActiveActionSetArray != null && rawActiveActionSetArray.Length != activeActionSetsCount)
{
pool[rawActiveActionSetArray.Length] = rawActiveActionSetArray;
rawActiveActionSetArray = null;
}

if (rawActiveActionSetArray == null)
{
if (!pool.ContainsKey(activeActionSetsCount))
{
rawActiveActionSetArray = new VRActiveActionSet_t[activeActionSetsCount];
pool[activeActionSetsCount] = rawActiveActionSetArray;
}
else
rawActiveActionSetArray = pool[activeActionSetsCount];
}

changed = false;

rawActiveActionSetArray = activeActionSetsList.ToArray();
for (int i = 0; i < activeActionSetsCount; i++)
rawActiveActionSetArray[i] = activeActionSetsArray[i];

if (Application.isEditor || updateDebugTextInBuilds)
UpdateDebugText();
Expand Down
10 changes: 6 additions & 4 deletions Assets/SteamVR/Scripts/SteamVR.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -26,12 +26,14 @@ public class SteamVR : System.IDisposable

// Set this to false to keep from auto-initializing when calling SteamVR.instance.
private static bool _enabled = true;
private static readonly string[] SupportedDevices = XRSettings.supportedDevices;

public static bool enabled
{
get
{
#if UNITY_2020_1_OR_NEWER || OPENVR_XR_API
if (XRSettings.supportedDevices.Length == 0)
if (SupportedDevices.Length == 0)
enabled = false;
#else
if (!XRSettings.enabled)
Expand Down Expand Up @@ -127,11 +129,11 @@ private static void ReportGeneralErrors()

if (XRSettings.enabled == false)
errorLog += "VR may be disabled in player settings. Go to player settings in the editor and check the 'Virtual Reality Supported' checkbox'. ";
if (XRSettings.supportedDevices != null && XRSettings.supportedDevices.Length > 0)
if (SupportedDevices != null && SupportedDevices.Length > 0)
{
if (XRSettings.supportedDevices.Contains("OpenVR") == false)
if (SupportedDevices.Contains("OpenVR") == false)
errorLog += "OpenVR is not in your list of supported virtual reality SDKs. Add it to the list in player settings. ";
else if (XRSettings.supportedDevices.First().Contains("OpenVR") == false)
else if (SupportedDevices.First().Contains("OpenVR") == false)
errorLog += "OpenVR is not first in your list of supported virtual reality SDKs. <b>This is okay, but if you have an Oculus device plugged in, and Oculus above OpenVR in this list, it will try and use the Oculus SDK instead of OpenVR.</b> ";
}
else
Expand Down