void OnPreRender()
{
if (XRSettings.enabled)
{
switch (UnityEditor.PlayerSettings.stereoRenderingPath)
{
case UnityEditor.StereoRenderingPath.MultiPass:
renderMode = thisCamera.stereoActiveEye == Camera.MonoOrStereoscopicEye.Left ?
RenderMode.RENDER_MODE_LEFT_EYE : RenderMode.RENDER_MODE_RIGHT_EYE;
break;
case UnityEditor.StereoRenderingPath.SinglePass:
renderMode = RenderMode.RENDER_MODE_STEREO;
break;
default:
renderMode = RenderMode.RENDER_MODE_MONO;
break;
}
}
else
{
renderMode = RenderMode.RENDER_MODE_MONO;
}
ViveFoveatedRenderingAPI.SetRenderMode(renderMode);
}
public static bool SetParamByHMD(ViveFoveatedRendering vfr, bool isEyeTracked = false)
{
if (vfr == null)
{
return(false);
}
bool setParamSuccess = false;
List <string> vids = new List <string>();
List <string> pids = new List <string>();
ViveFoveatedRenderingAPI.GetVidPid(str => vids.Add(str), str => pids.Add(str));
for (int i = 0; i < vids.Count; i++)
{
if (vids[i] == VIVE_VID)
{
if (pids[i] == VIVE_PRO_PID)
{
vfr.SetPatternPreset(ShadingPatternPreset.SHADING_PATTERN_CUSTOM);
vfr.SetRegionRadii(TargetArea.INNER, new Vector2(0.25f, 0.25f));
vfr.SetRegionRadii(TargetArea.MIDDLE, new Vector2(0.33f, 0.33f));
vfr.SetRegionRadii(TargetArea.PERIPHERAL, new Vector2(2.0f, 2.0f));
vfr.SetShadingRatePreset(ShadingRatePreset.SHADING_RATE_CUSTOM);
vfr.SetShadingRate(TargetArea.INNER, ShadingRate.X1_PER_PIXEL);
vfr.SetShadingRate(TargetArea.MIDDLE, ShadingRate.X1_PER_1X2_PIXELS);
vfr.SetShadingRate(TargetArea.PERIPHERAL, ShadingRate.X1_PER_2X2_PIXELS);
setParamSuccess = true;
}
else if (pids[i] == VIVE_COSMOS_PID)
{
vfr.SetPatternPreset(ShadingPatternPreset.SHADING_PATTERN_CUSTOM);
vfr.SetRegionRadii(TargetArea.INNER, new Vector2(0.33f, 0.33f));
vfr.SetRegionRadii(TargetArea.MIDDLE, new Vector2(0.6f, 0.6f));
vfr.SetRegionRadii(TargetArea.PERIPHERAL, new Vector2(2.0f, 2.0f));
vfr.SetShadingRatePreset(ShadingRatePreset.SHADING_RATE_CUSTOM);
vfr.SetShadingRate(TargetArea.INNER, ShadingRate.X1_PER_PIXEL);
vfr.SetShadingRate(TargetArea.MIDDLE, ShadingRate.X1_PER_1X2_PIXELS);
vfr.SetShadingRate(TargetArea.PERIPHERAL, ShadingRate.X1_PER_2X2_PIXELS);
setParamSuccess = true;
}
}
}
return(setParamSuccess);
}
void Update()
{
#if USE_SRANIPAL
if (SRanipal_Eye_Framework.Status == SRanipal_Eye_Framework.FrameworkStatus.WORKING)
{
VerboseData data;
if (SRanipal_Eye.GetVerboseData(out data) &&
data.left.GetValidity(SingleEyeDataValidity.SINGLE_EYE_DATA_GAZE_DIRECTION_VALIDITY) &&
data.right.GetValidity(SingleEyeDataValidity.SINGLE_EYE_DATA_GAZE_DIRECTION_VALIDITY)
)
{
ViveFoveatedRenderingAPI.SetNormalizedGazeDirection(data.left.gaze_direction_normalized, data.right.gaze_direction_normalized);
GL.IssuePluginEvent(ViveFoveatedRenderingAPI.GetRenderEventFunc(), (int)EventID.UPDATE_GAZE);
}
}
#endif
}
public void SetPatternPreset(ShadingPatternPreset inputPreset)
{
if (foveatedRenderingInited)
{
patternPreset = inputPreset.Clamp(ShadingPatternPreset.SHADING_PATTERN_WIDE, ShadingPatternPreset.SHADING_PATTERN_MAX);
ViveFoveatedRenderingAPI.SetFoveatedRenderingPatternPreset(patternPreset);
if (patternPreset == ShadingPatternPreset.SHADING_PATTERN_CUSTOM)
{
SetRegionRadii(TargetArea.INNER, innerRegionRadii);
SetRegionRadii(TargetArea.MIDDLE, middleRegionRadii);
SetRegionRadii(TargetArea.PERIPHERAL, peripheralRegionRadii);
}
GL.IssuePluginEvent(ViveFoveatedRenderingAPI.GetRenderEventFunc(), (int)EventID.UPDATE_GAZE);
}
}
public void SetShadingRatePreset(ShadingRatePreset inputPreset)
{
if (foveatedRenderingInited)
{
shadingRatePreset = inputPreset.Clamp(ShadingRatePreset.SHADING_RATE_HIGHEST_PERFORMANCE, ShadingRatePreset.SHADING_RATE_MAX);
ViveFoveatedRenderingAPI.SetFoveatedRenderingShadingRatePreset(shadingRatePreset);
if (shadingRatePreset == ShadingRatePreset.SHADING_RATE_CUSTOM)
{
SetShadingRate(TargetArea.INNER, innerShadingRate);
SetShadingRate(TargetArea.MIDDLE, middleShadingRate);
SetShadingRate(TargetArea.PERIPHERAL, peripheralShadingRate);
}
GL.IssuePluginEvent(ViveFoveatedRenderingAPI.GetRenderEventFunc(), (int)EventID.UPDATE_GAZE);
}
}
void OnDisable()
{
EnableFoveatedRendering(false);
commandBufferMgr.ClearCommands();
ViveFoveatedRenderingAPI.ReleaseFoveatedRendering();
ViveFoveatedRenderingAPI.ReleaseNativeLogger();
foveatedRenderingInited = false;
var gazeUpdater = GetComponent <ViveFoveatedGazeUpdater>();
if (gazeUpdater != null)
{
gazeUpdater.enabled = false;
}
}
void OnEnable()
{
ViveFoveatedRenderingAPI.InitializeNativeLogger(str => Debug.Log(str));
thisCamera = GetComponent <Camera>();
foveatedRenderingInited = ViveFoveatedRenderingAPI.InitializeFoveatedRendering(thisCamera.fieldOfView, thisCamera.aspect);
if (foveatedRenderingInited)
{
var currentRenderingPath = thisCamera.actualRenderingPath;
if (currentRenderingPath == RenderingPath.Forward)
{
commandBufferMgr.AppendCommands("Enable Foveated Rendering", CameraEvent.BeforeForwardOpaque,
buf => buf.IssuePluginEvent(ViveFoveatedRenderingAPI.GetRenderEventFunc(), (int)EventID.ENABLE_FOVEATED_RENDERING),
buf => buf.ClearRenderTarget(false, true, Color.black));
commandBufferMgr.AppendCommands("Disable Foveated Rendering", CameraEvent.AfterForwardAlpha,
buf => buf.IssuePluginEvent(ViveFoveatedRenderingAPI.GetRenderEventFunc(), (int)EventID.DISABLE_FOVEATED_RENDERING));
}
else if (currentRenderingPath == RenderingPath.DeferredShading)
{
commandBufferMgr.AppendCommands("Enable Foveated Rendering - GBuffer", CameraEvent.BeforeGBuffer,
buf => buf.IssuePluginEvent(ViveFoveatedRenderingAPI.GetRenderEventFunc(), (int)EventID.ENABLE_FOVEATED_RENDERING),
buf => buf.ClearRenderTarget(false, true, Color.black));
commandBufferMgr.AppendCommands("Disable Foveated Rendering - GBuffer", CameraEvent.AfterGBuffer,
buf => buf.IssuePluginEvent(ViveFoveatedRenderingAPI.GetRenderEventFunc(), (int)EventID.DISABLE_FOVEATED_RENDERING));
commandBufferMgr.AppendCommands("Enable Foveated Rendering - Alpha", CameraEvent.BeforeForwardAlpha,
buf => buf.IssuePluginEvent(ViveFoveatedRenderingAPI.GetRenderEventFunc(), (int)EventID.ENABLE_FOVEATED_RENDERING));
commandBufferMgr.AppendCommands("Disable Foveated Rendering - Alpha", CameraEvent.AfterForwardAlpha,
buf => buf.IssuePluginEvent(ViveFoveatedRenderingAPI.GetRenderEventFunc(), (int)EventID.DISABLE_FOVEATED_RENDERING));
}
EnableFoveatedRendering(true);
bool isEyeTracked = ViveFoveatedGazeUpdater.AttachGazeUpdater(gameObject);
if (manualAdjustment || (!ViveFoveatedInitParam.SetParamByHMD(this, isEyeTracked)))
{
SetShadingRatePreset(shadingRatePreset);
SetPatternPreset(patternPreset);
}
ViveFoveatedRenderingAPI.SetNormalizedGazeDirection(new Vector3(0.0f, 0.0f, 1.0f), new Vector3(0.0f, 0.0f, 1.0f));
GL.IssuePluginEvent(ViveFoveatedRenderingAPI.GetRenderEventFunc(), (int)EventID.UPDATE_GAZE);
}
}
public void SetRegionRadii(TargetArea targetArea, Vector2 radii)
{
if (foveatedRenderingInited)
{
var clampedRadii = new Vector2(radii.x.Clamp(0.01f, 10.0f), radii.y.Clamp(0.01f, 10.0f));
switch (targetArea)
{
case TargetArea.INNER:
innerRegionRadii = clampedRadii;
break;
case TargetArea.MIDDLE:
middleRegionRadii = clampedRadii;
break;
case TargetArea.PERIPHERAL:
peripheralRegionRadii = clampedRadii;
break;
}
ViveFoveatedRenderingAPI.SetRegionRadii(targetArea, clampedRadii);
GL.IssuePluginEvent(ViveFoveatedRenderingAPI.GetRenderEventFunc(), (int)EventID.UPDATE_GAZE);
}
}
public void SetShadingRate(TargetArea targetArea, ShadingRate rate)
{
if (foveatedRenderingInited)
{
var clampedRate = rate.Clamp(ShadingRate.CULL, ShadingRate.X1_PER_4X4_PIXELS);
switch (targetArea)
{
case TargetArea.INNER:
innerShadingRate = clampedRate;
break;
case TargetArea.MIDDLE:
middleShadingRate = clampedRate;
break;
case TargetArea.PERIPHERAL:
peripheralShadingRate = clampedRate;
break;
}
ViveFoveatedRenderingAPI.SetShadingRate(targetArea, clampedRate);
GL.IssuePluginEvent(ViveFoveatedRenderingAPI.GetRenderEventFunc(), (int)EventID.UPDATE_GAZE);
}
}
