static void ResetLight(MenuCommand menuCommand)
{
GameObject go = ((Light)menuCommand.context).gameObject;
Assert.IsNotNull(go);
Light light = go.GetComponent <Light>();
HDAdditionalLightData lightAdditionalData = go.GetComponent <HDAdditionalLightData>();
HDLightType lightType = lightAdditionalData.type;
Assert.IsNotNull(light);
Assert.IsNotNull(lightAdditionalData);
Undo.RecordObjects(new UnityEngine.Object[] { light, lightAdditionalData }, "Reset HD Light");
light.Reset();
// To avoid duplicating init code we copy default settings to Reset additional data
// Note: we can't call this code inside the HDAdditionalLightData, thus why we don't wrap it in a Reset() function
HDUtils.s_DefaultHDAdditionalLightData.CopyTo(lightAdditionalData);
lightAdditionalData.type = lightType;
//reinit default intensity
HDAdditionalLightData.InitDefaultHDAdditionalLightData(lightAdditionalData);
//patch missing cookie texture reset in built-in light reset
light.cookie = null;
}
// ------------------------ Public API -------------------------------
/// <summary>
/// This function verifies if a shadow map of resolution shadowResolution for a light of type lightType would fit in the atlas when inserted.
/// </summary>
/// <param name="shadowResolution">The resolution of the hypothetical shadow map that we are assessing.</param>
/// <param name="lightType">The type of the light that cast the hypothetical shadow map that we are assessing.</param>
/// <returns>True if the shadow map would fit in the atlas, false otherwise.</returns>
public bool WouldFitInAtlas(int shadowResolution, HDLightType lightType)
{
bool fits = true;
int x, y;
if (lightType == HDLightType.Point)
{
for (int i = 0; i < 6; ++i)
{
fits = fits && HDShadowManager.cachedShadowManager.punctualShadowAtlas.FindSlotInAtlas(shadowResolution, out x, out y);
}
}
if (lightType == HDLightType.Spot)
{
fits = fits && HDShadowManager.cachedShadowManager.punctualShadowAtlas.FindSlotInAtlas(shadowResolution, out x, out y);
}
if (lightType == HDLightType.Area)
{
fits = fits && HDShadowManager.cachedShadowManager.areaShadowAtlas.FindSlotInAtlas(shadowResolution, out x, out y);
}
return(fits);
}
// Helper for punctual and area light unit conversion
/// <summary>
/// Convert a punctual light intensity in Lumen to Candela
/// </summary>
/// <param name="lightType"></param>
/// <param name="lumen"></param>
/// <param name="initialIntensity"></param>
/// <param name="enableSpotReflector"></param>
/// <returns></returns>
public static float ConvertPunctualLightLumenToCandela(HDLightType lightType, float lumen, float initialIntensity, bool enableSpotReflector)
{
if (lightType == HDLightType.Spot && enableSpotReflector)
{
// We have already calculate the correct value, just assign it
return(initialIntensity);
}
return(ConvertPointLightLumenToCandela(lumen));
}
/// <summary>
/// Add a new HDRP Light to a GameObject
/// </summary>
/// <param name="gameObject">The GameObject on which the light is going to be added</param>
/// <param name="lightType">The Type of the HDRP light to Add</param>
/// <returns>The created HDRP Light component</returns>
public static HDAdditionalLightData AddHDLight(this GameObject gameObject, HDLightType lightType)
{
var hdLight = gameObject.AddComponent <HDAdditionalLightData>();
HDAdditionalLightData.InitDefaultHDAdditionalLightData(hdLight);
hdLight.SetLightType(lightType);
return(hdLight);
}
/// <summary>
/// If a light is added after a scene is loaded, its placement in the atlas might be not optimal and the suboptimal placement might prevent a light to find a place in the atlas.
/// This function will force a defragmentation of the atlas containing lights of type lightType and redistributes the shadows inside so that the placement is optimal. Note however that this will also mark the shadow maps
/// as dirty and they will be re-rendered as soon the light will come into view for the first time after this function call.
/// </summary>
/// <param name="lightType">The type of the light contained in the atlas that need defragmentation.</param>
public void DefragAtlas(HDLightType lightType)
{
if (lightType == HDLightType.Area)
{
instance.areaShadowAtlas.DefragmentAtlasAndReRender(instance.m_InitParams);
}
if (lightType == HDLightType.Point || lightType == HDLightType.Spot)
{
instance.punctualShadowAtlas.DefragmentAtlasAndReRender(instance.m_InitParams);
}
}
internal void RemoveTransformFromCache(HDAdditionalLightData lightData)
{
HDLightType lightType = lightData.type;
if (lightType == HDLightType.Spot || lightType == HDLightType.Point)
{
punctualShadowAtlas.RemoveTransformFromCache(lightData);
}
if (ShaderConfig.s_AreaLights == 1 && lightType == HDLightType.Area)
{
areaShadowAtlas.RemoveTransformFromCache(lightData);
}
}
public void Draw(HDLightType type, LightUnit lightUnit, SerializedProperty value, Rect rect, SerializedHDLight light, Editor owner)
{
using (new EditorGUI.IndentLevelScope(-EditorGUI.indentLevel))
{
if (type == HDLightType.Directional)
{
DrawDirectionalUnitSlider(value, rect);
}
else
{
DrawPunctualLightUnitSlider(lightUnit, value, rect, light, owner);
}
}
}
internal void RegisterTransformToCache(HDAdditionalLightData lightData)
{
HDLightType lightType = lightData.type;
if (lightType == HDLightType.Spot || lightType == HDLightType.Point)
{
punctualShadowAtlas.RegisterTransformCacheSlot(lightData);
}
if (ShaderConfig.s_AreaLights == 1 && lightType == HDLightType.Area)
{
areaShadowAtlas.RegisterTransformCacheSlot(lightData);
}
if (lightType == HDLightType.Directional)
{
m_CachedDirectionalAngles = lightData.transform.eulerAngles;
}
}
protected override void OnSceneGUI()
{
// Each handles manipulate only one light
// Thus do not rely on serialized properties
HDLightType lightType = targetAdditionalData.type;
if (lightType == HDLightType.Directional ||
lightType == HDLightType.Point ||
lightType == HDLightType.Area && targetAdditionalData.areaLightShape == AreaLightShape.Disc)
{
base.OnSceneGUI();
}
else
{
HDLightUI.DrawHandles(targetAdditionalData, this);
}
}
internal void RegisterLight(HDAdditionalLightData lightData)
{
HDLightType lightType = lightData.type;
if (lightType == HDLightType.Directional)
{
lightData.lightIdxForCachedShadows = 0;
MarkAllDirectionalShadowsForUpdate();
}
if (lightType == HDLightType.Spot || lightType == HDLightType.Point)
{
punctualShadowAtlas.RegisterLight(lightData);
}
if (ShaderConfig.s_AreaLights == 1 && lightType == HDLightType.Area && lightData.areaLightShape == AreaLightShape.Rectangle)
{
areaShadowAtlas.RegisterLight(lightData);
}
}
internal void EvictLight(HDAdditionalLightData lightData)
{
HDLightType lightType = lightData.type;
if (lightType == HDLightType.Directional)
{
lightData.lightIdxForCachedShadows = -1;
MarkAllDirectionalShadowsForUpdate();
}
if (lightType == HDLightType.Spot || lightType == HDLightType.Point)
{
punctualShadowAtlas.EvictLight(lightData);
}
if (ShaderConfig.s_AreaLights == 1 && lightType == HDLightType.Area)
{
areaShadowAtlas.EvictLight(lightData);
}
}
private void AddLightListToRecordList(Dictionary <int, HDAdditionalLightData> lightList, HDShadowInitParameters initParams, ref List <CachedShadowRecord> recordList)
{
foreach (var currentLightData in lightList.Values)
{
int resolution = 0;
resolution = currentLightData.GetResolutionFromSettings(m_ShadowType, initParams);
HDLightType lightType = currentLightData.type;
int numberOfShadows = (lightType == HDLightType.Point) ? 6 : 1;
for (int i = 0; i < numberOfShadows; ++i)
{
CachedShadowRecord record;
record.shadowIndex = currentLightData.lightIdxForCachedShadows + i;
record.viewportSize = resolution;
record.offsetInAtlas = new Vector4(-1, -1, -1, -1); // Will be set later.
recordList.Add(record);
}
}
}
/// <summary>
/// Convert a punctual light intensity in Candela to Lumen
/// </summary>
/// <param name="lightType"></param>
/// <param name="spotLightShape"></param>
/// <param name="candela"></param>
/// <param name="enableSpotReflector"></param>
/// <param name="spotAngle"></param>
/// <param name="aspectRatio"></param>
/// <returns></returns>
public static float ConvertPunctualLightCandelaToLumen(HDLightType lightType, SpotLightShape spotLightShape, float candela, bool enableSpotReflector, float spotAngle, float aspectRatio)
{
if (lightType == HDLightType.Spot && enableSpotReflector)
{
// We just need to multiply candela by solid angle in this case
if (spotLightShape == SpotLightShape.Cone)
{
return(ConvertSpotLightCandelaToLumen(candela, spotAngle * Mathf.Deg2Rad, true));
}
else if (spotLightShape == SpotLightShape.Pyramid)
{
float angleA, angleB;
CalculateAnglesForPyramid(aspectRatio, spotAngle * Mathf.Deg2Rad, out angleA, out angleB);
return(ConvertFrustrumLightCandelaToLumen(candela, angleA, angleB));
}
else // Box
{
return(ConvertPointLightCandelaToLumen(candela));
}
}
return(ConvertPointLightCandelaToLumen(candela));
}
private void AddLightListToRecordList(Dictionary <int, HDAdditionalLightData> lightList, HDShadowInitParameters initParams, ref List <CachedShadowRecord> recordList)
{
foreach (var currentLightData in lightList.Values)
{
int resolution = 0;
resolution = currentLightData.GetResolutionFromSettings(m_ShadowType, initParams);
HDLightType lightType = currentLightData.type;
int numberOfShadows = (lightType == HDLightType.Point) ? 6 : 1;
for (int i = 0; i < numberOfShadows; ++i)
{
CachedShadowRecord record;
record.shadowIndex = currentLightData.lightIdxForCachedShadows + i;
record.viewportSize = resolution;
record.offsetInAtlas = new Vector4(-1, -1, -1, -1); // Will be set later.
// Only situation in which we allow not to render on placement if it is OnDemand and onDemandShadowRenderOnPlacement is false
record.rendersOnPlacement = (currentLightData.shadowUpdateMode == ShadowUpdateMode.OnDemand) ? (currentLightData.forceRenderOnPlacement || currentLightData.onDemandShadowRenderOnPlacement) : true;
currentLightData.forceRenderOnPlacement = false; // reset the force flag as we scheduled the rendering forcefully already.
recordList.Add(record);
}
}
}
internal static void ConvertLightIntensity(LightUnit oldLightUnit, LightUnit newLightUnit, HDAdditionalLightData hdLight, Light light)
{
float intensity = hdLight.intensity;
float luxAtDistance = hdLight.luxAtDistance;
HDLightType lightType = hdLight.ComputeLightType(light);
// For punctual lights
if (lightType != HDLightType.Area)
{
// Lumen ->
if (oldLightUnit == LightUnit.Lumen && newLightUnit == LightUnit.Candela)
{
intensity = LightUtils.ConvertPunctualLightLumenToCandela(lightType, intensity, light.intensity, hdLight.enableSpotReflector);
}
else if (oldLightUnit == LightUnit.Lumen && newLightUnit == LightUnit.Lux)
{
intensity = LightUtils.ConvertPunctualLightLumenToLux(lightType, intensity, light.intensity, hdLight.enableSpotReflector, hdLight.luxAtDistance);
}
else if (oldLightUnit == LightUnit.Lumen && newLightUnit == LightUnit.Ev100)
{
intensity = LightUtils.ConvertPunctualLightLumenToEv(lightType, intensity, light.intensity, hdLight.enableSpotReflector);
}
// Candela ->
else if (oldLightUnit == LightUnit.Candela && newLightUnit == LightUnit.Lumen)
{
intensity = LightUtils.ConvertPunctualLightCandelaToLumen(lightType, hdLight.spotLightShape, intensity, hdLight.enableSpotReflector, light.spotAngle, hdLight.aspectRatio);
}
else if (oldLightUnit == LightUnit.Candela && newLightUnit == LightUnit.Lux)
{
intensity = LightUtils.ConvertCandelaToLux(intensity, hdLight.luxAtDistance);
}
else if (oldLightUnit == LightUnit.Candela && newLightUnit == LightUnit.Ev100)
{
intensity = LightUtils.ConvertCandelaToEv(intensity);
}
// Lux ->
else if (oldLightUnit == LightUnit.Lux && newLightUnit == LightUnit.Lumen)
{
intensity = LightUtils.ConvertPunctualLightLuxToLumen(lightType, hdLight.spotLightShape, intensity, hdLight.enableSpotReflector,
light.spotAngle, hdLight.aspectRatio, hdLight.luxAtDistance);
}
else if (oldLightUnit == LightUnit.Lux && newLightUnit == LightUnit.Candela)
{
intensity = LightUtils.ConvertLuxToCandela(intensity, hdLight.luxAtDistance);
}
else if (oldLightUnit == LightUnit.Lux && newLightUnit == LightUnit.Ev100)
{
intensity = LightUtils.ConvertLuxToEv(intensity, hdLight.luxAtDistance);
}
// EV100 ->
else if (oldLightUnit == LightUnit.Ev100 && newLightUnit == LightUnit.Lumen)
{
intensity = LightUtils.ConvertPunctualLightEvToLumen(lightType, hdLight.spotLightShape, intensity, hdLight.enableSpotReflector,
light.spotAngle, hdLight.aspectRatio);
}
else if (oldLightUnit == LightUnit.Ev100 && newLightUnit == LightUnit.Candela)
{
intensity = LightUtils.ConvertEvToCandela(intensity);
}
else if (oldLightUnit == LightUnit.Ev100 && newLightUnit == LightUnit.Lux)
{
intensity = LightUtils.ConvertEvToLux(intensity, hdLight.luxAtDistance);
}
}
else // For area lights
{
if (oldLightUnit == LightUnit.Lumen && newLightUnit == LightUnit.Nits)
{
intensity = LightUtils.ConvertAreaLightLumenToLuminance(hdLight.areaLightShape, intensity, hdLight.shapeWidth, hdLight.shapeHeight);
}
if (oldLightUnit == LightUnit.Nits && newLightUnit == LightUnit.Lumen)
{
intensity = LightUtils.ConvertAreaLightLuminanceToLumen(hdLight.areaLightShape, intensity, hdLight.shapeWidth, hdLight.shapeHeight);
}
if (oldLightUnit == LightUnit.Nits && newLightUnit == LightUnit.Ev100)
{
intensity = LightUtils.ConvertLuminanceToEv(intensity);
}
if (oldLightUnit == LightUnit.Ev100 && newLightUnit == LightUnit.Nits)
{
intensity = LightUtils.ConvertEvToLuminance(intensity);
}
if (oldLightUnit == LightUnit.Ev100 && newLightUnit == LightUnit.Lumen)
{
intensity = LightUtils.ConvertAreaLightEvToLumen(hdLight.areaLightShape, intensity, hdLight.shapeWidth, hdLight.shapeHeight);
}
if (oldLightUnit == LightUnit.Lumen && newLightUnit == LightUnit.Ev100)
{
intensity = LightUtils.ConvertAreaLightLumenToEv(hdLight.areaLightShape, intensity, hdLight.shapeWidth, hdLight.shapeHeight);
}
}
hdLight.intensity = intensity;
}
// This is not correct, we use candela instead of luminance but this is request from artists to support EV100 on punctual light
/// <summary>
/// Convert a punctual light intensity in Lumen to EV100.
/// This is not physically correct but it's handy to have EV100 for punctual lights.
/// </summary>
/// <param name="lightType"></param>
/// <param name="lumen"></param>
/// <param name="initialIntensity"></param>
/// <param name="enableSpotReflector"></param>
/// <returns></returns>
public static float ConvertPunctualLightLumenToEv(HDLightType lightType, float lumen, float initialIntensity, bool enableSpotReflector)
{
float candela = ConvertPunctualLightLumenToCandela(lightType, lumen, initialIntensity, enableSpotReflector);
return(ConvertCandelaToEv(candela));
}
// This is not correct, we use candela instead of luminance but this is request from artists to support EV100 on punctual light
/// <summary>
/// Convert a punctual light intensity in EV100 to Lumen.
/// This is not physically correct but it's handy to have EV100 for punctual lights.
/// </summary>
/// <param name="lightType"></param>
/// <param name="spotLightShape"></param>
/// <param name="ev"></param>
/// <param name="enableSpotReflector"></param>
/// <param name="spotAngle"></param>
/// <param name="aspectRatio"></param>
/// <returns></returns>
public static float ConvertPunctualLightEvToLumen(HDLightType lightType, SpotLightShape spotLightShape, float ev, bool enableSpotReflector, float spotAngle, float aspectRatio)
{
float candela = ConvertEvToCandela(ev);
return(ConvertPunctualLightCandelaToLumen(lightType, spotLightShape, candela, enableSpotReflector, spotAngle, aspectRatio));
}
/// <summary>
/// Convert a punctual light intensity in Lux to Lumen
/// </summary>
/// <param name="lightType"></param>
/// <param name="spotLightShape"></param>
/// <param name="lux"></param>
/// <param name="enableSpotReflector"></param>
/// <param name="spotAngle"></param>
/// <param name="aspectRatio"></param>
/// <param name="distance"></param>
/// <returns></returns>
public static float ConvertPunctualLightLuxToLumen(HDLightType lightType, SpotLightShape spotLightShape, float lux, bool enableSpotReflector, float spotAngle, float aspectRatio, float distance)
{
float candela = ConvertLuxToCandela(lux, distance);
return(ConvertPunctualLightCandelaToLumen(lightType, spotLightShape, candela, enableSpotReflector, spotAngle, aspectRatio));
}
void BuildLightData(CommandBuffer cmd, HDCamera hdCamera, HDRayTracingLights rayTracingLights)
{
// If no lights, exit
if (rayTracingLights.lightCount == 0)
{
ResizeLightDataBuffer(1);
return;
}
// Also we need to build the light list data
if (m_LightDataGPUArray == null || m_LightDataGPUArray.count != rayTracingLights.lightCount)
{
ResizeLightDataBuffer(rayTracingLights.lightCount);
}
m_LightDataCPUArray.Clear();
// Build the data for every light
for (int lightIdx = 0; lightIdx < rayTracingLights.hdLightArray.Count; ++lightIdx)
{
var lightData = new LightData();
HDAdditionalLightData additionalLightData = rayTracingLights.hdLightArray[lightIdx];
// When the user deletes a light source in the editor, there is a single frame where the light is null before the collection of light in the scene is triggered
// the workaround for this is simply to add an invalid light for that frame
if (additionalLightData == null)
{
m_LightDataCPUArray.Add(lightData);
continue;
}
Light light = additionalLightData.gameObject.GetComponent <Light>();
// Both of these positions are non-camera-relative.
float distanceToCamera = (light.gameObject.transform.position - hdCamera.camera.transform.position).magnitude;
float lightDistanceFade = HDUtils.ComputeLinearDistanceFade(distanceToCamera, additionalLightData.fadeDistance);
bool contributesToLighting = ((additionalLightData.lightDimmer > 0) && (additionalLightData.affectDiffuse || additionalLightData.affectSpecular)) || (additionalLightData.volumetricDimmer > 0);
contributesToLighting = contributesToLighting && (lightDistanceFade > 0);
if (!contributesToLighting)
{
continue;
}
lightData.lightLayers = additionalLightData.GetLightLayers();
LightCategory lightCategory = LightCategory.Count;
GPULightType gpuLightType = GPULightType.Point;
LightVolumeType lightVolumeType = LightVolumeType.Count;
HDLightType lightType = additionalLightData.type;
HDRenderPipeline.EvaluateGPULightType(lightType, additionalLightData.spotLightShape, additionalLightData.areaLightShape, ref lightCategory, ref gpuLightType, ref lightVolumeType);
lightData.lightType = gpuLightType;
lightData.positionRWS = light.gameObject.transform.position;
bool applyRangeAttenuation = additionalLightData.applyRangeAttenuation && (gpuLightType != GPULightType.ProjectorBox);
lightData.range = light.range;
if (applyRangeAttenuation)
{
lightData.rangeAttenuationScale = 1.0f / (light.range * light.range);
lightData.rangeAttenuationBias = 1.0f;
if (lightData.lightType == GPULightType.Rectangle)
{
// Rect lights are currently a special case because they use the normalized
// [0, 1] attenuation range rather than the regular [0, r] one.
lightData.rangeAttenuationScale = 1.0f;
}
}
else // Don't apply any attenuation but do a 'step' at range
{
// Solve f(x) = b - (a * x)^2 where x = (d/r)^2.
// f(0) = huge -> b = huge.
// f(1) = 0 -> huge - a^2 = 0 -> a = sqrt(huge).
const float hugeValue = 16777216.0f;
const float sqrtHuge = 4096.0f;
lightData.rangeAttenuationScale = sqrtHuge / (light.range * light.range);
lightData.rangeAttenuationBias = hugeValue;
if (lightData.lightType == GPULightType.Rectangle)
{
// Rect lights are currently a special case because they use the normalized
// [0, 1] attenuation range rather than the regular [0, r] one.
lightData.rangeAttenuationScale = sqrtHuge;
}
}
Color value = light.color.linear * light.intensity;
if (additionalLightData.useColorTemperature)
{
value *= Mathf.CorrelatedColorTemperatureToRGB(light.colorTemperature);
}
lightData.color = new Vector3(value.r, value.g, value.b);
lightData.forward = light.transform.forward;
lightData.up = light.transform.up;
lightData.right = light.transform.right;
lightData.boxLightSafeExtent = 1.0f;
if (lightData.lightType == GPULightType.ProjectorBox)
{
// Rescale for cookies and windowing.
lightData.right *= 2.0f / Mathf.Max(additionalLightData.shapeWidth, 0.001f);
lightData.up *= 2.0f / Mathf.Max(additionalLightData.shapeHeight, 0.001f);
}
else if (lightData.lightType == GPULightType.ProjectorPyramid)
{
// Get width and height for the current frustum
var spotAngle = light.spotAngle;
float frustumWidth, frustumHeight;
if (additionalLightData.aspectRatio >= 1.0f)
{
frustumHeight = 2.0f * Mathf.Tan(spotAngle * 0.5f * Mathf.Deg2Rad);
frustumWidth = frustumHeight * additionalLightData.aspectRatio;
}
else
{
frustumWidth = 2.0f * Mathf.Tan(spotAngle * 0.5f * Mathf.Deg2Rad);
frustumHeight = frustumWidth / additionalLightData.aspectRatio;
}
// Rescale for cookies and windowing.
lightData.right *= 2.0f / frustumWidth;
lightData.up *= 2.0f / frustumHeight;
}
if (lightData.lightType == GPULightType.Spot)
{
var spotAngle = light.spotAngle;
var innerConePercent = additionalLightData.innerSpotPercent01;
var cosSpotOuterHalfAngle = Mathf.Clamp(Mathf.Cos(spotAngle * 0.5f * Mathf.Deg2Rad), 0.0f, 1.0f);
var sinSpotOuterHalfAngle = Mathf.Sqrt(1.0f - cosSpotOuterHalfAngle * cosSpotOuterHalfAngle);
var cosSpotInnerHalfAngle = Mathf.Clamp(Mathf.Cos(spotAngle * 0.5f * innerConePercent * Mathf.Deg2Rad), 0.0f, 1.0f); // inner cone
var val = Mathf.Max(0.0001f, (cosSpotInnerHalfAngle - cosSpotOuterHalfAngle));
lightData.angleScale = 1.0f / val;
lightData.angleOffset = -cosSpotOuterHalfAngle * lightData.angleScale;
// Rescale for cookies and windowing.
float cotOuterHalfAngle = cosSpotOuterHalfAngle / sinSpotOuterHalfAngle;
lightData.up *= cotOuterHalfAngle;
lightData.right *= cotOuterHalfAngle;
}
else
{
// These are the neutral values allowing GetAngleAnttenuation in shader code to return 1.0
lightData.angleScale = 0.0f;
lightData.angleOffset = 1.0f;
}
if (lightData.lightType != GPULightType.Directional && lightData.lightType != GPULightType.ProjectorBox)
{
// Store the squared radius of the light to simulate a fill light.
lightData.size = new Vector2(additionalLightData.shapeRadius * additionalLightData.shapeRadius, 0);
}
if (lightData.lightType == GPULightType.Rectangle || lightData.lightType == GPULightType.Tube)
{
lightData.size = new Vector2(additionalLightData.shapeWidth, additionalLightData.shapeHeight);
}
lightData.lightDimmer = lightDistanceFade * (additionalLightData.lightDimmer);
lightData.diffuseDimmer = lightDistanceFade * (additionalLightData.affectDiffuse ? additionalLightData.lightDimmer : 0);
lightData.specularDimmer = lightDistanceFade * (additionalLightData.affectSpecular ? additionalLightData.lightDimmer * hdCamera.frameSettings.specularGlobalDimmer : 0);
lightData.volumetricLightDimmer = lightDistanceFade * (additionalLightData.volumetricDimmer);
lightData.contactShadowMask = 0;
lightData.cookieIndex = -1;
lightData.shadowIndex = -1;
lightData.screenSpaceShadowIndex = -1;
if (light != null && light.cookie != null)
{
// TODO: add texture atlas support for cookie textures.
switch (lightType)
{
case HDLightType.Spot:
lightData.cookieIndex = m_RenderPipeline.m_TextureCaches.cookieTexArray.FetchSlice(cmd, light.cookie);
break;
case HDLightType.Point:
lightData.cookieIndex = m_RenderPipeline.m_TextureCaches.cubeCookieTexArray.FetchSlice(cmd, light.cookie);
break;
}
}
else if (lightType == HDLightType.Spot && additionalLightData.spotLightShape != SpotLightShape.Cone)
{
// Projectors lights must always have a cookie texture.
// As long as the cache is a texture array and not an atlas, the 4x4 white texture will be rescaled to 128
lightData.cookieIndex = m_RenderPipeline.m_TextureCaches.cookieTexArray.FetchSlice(cmd, Texture2D.whiteTexture);
}
else if (lightData.lightType == GPULightType.Rectangle && additionalLightData.areaLightCookie != null)
{
lightData.cookieIndex = m_RenderPipeline.m_TextureCaches.areaLightCookieManager.FetchSlice(cmd, additionalLightData.areaLightCookie);
}
{
lightData.shadowDimmer = 1.0f;
lightData.volumetricShadowDimmer = 1.0f;
}
{
// fix up shadow information
lightData.shadowIndex = additionalLightData.shadowIndex;
}
// Value of max smoothness is from artists point of view, need to convert from perceptual smoothness to roughness
lightData.minRoughness = (1.0f - additionalLightData.maxSmoothness) * (1.0f - additionalLightData.maxSmoothness);
// No usage for the shadow masks
lightData.shadowMaskSelector = Vector4.zero;
{
// use -1 to say that we don't use shadow mask
lightData.shadowMaskSelector.x = -1.0f;
lightData.nonLightMappedOnly = 0;
}
if (ShaderConfig.s_CameraRelativeRendering != 0)
{
// Caution: 'LightData.positionWS' is camera-relative after this point.
Vector3 camPosWS = hdCamera.mainViewConstants.worldSpaceCameraPos;
lightData.positionRWS -= camPosWS;
}
// Set the data for this light
m_LightDataCPUArray.Add(lightData);
}
// Push the data to the GPU
m_LightDataGPUArray.SetData(m_LightDataCPUArray);
}
// Return true if the light must be added to the baking
public static bool LightDataGIExtract(Light light, ref LightDataGI lightDataGI)
{
var add = light.GetComponent <HDAdditionalLightData>();
if (add == null)
{
add = HDUtils.s_DefaultHDAdditionalLightData;
}
Cookie cookie;
LightmapperUtils.Extract(light, out cookie);
lightDataGI.cookieID = cookie.instanceID;
lightDataGI.cookieScale = cookie.scale;
// TODO: Currently color temperature is not handled at runtime, need to expose useColorTemperature publicly
Color cct = new Color(1.0f, 1.0f, 1.0f);
#if UNITY_EDITOR
if (add.useColorTemperature)
{
cct = Mathf.CorrelatedColorTemperatureToRGB(light.colorTemperature);
}
#endif
#if UNITY_EDITOR
LightMode lightMode = LightmapperUtils.Extract(light.lightmapBakeType);
#else
LightMode lightMode = LightmapperUtils.Extract(light.bakingOutput.lightmapBakeType);
#endif
float lightDimmer = 1;
if (lightMode == LightMode.Realtime && add.affectDiffuse)
{
lightDimmer = add.lightDimmer;
}
lightDataGI.instanceID = light.GetInstanceID();
LinearColor directColor, indirectColor;
directColor = add.affectDiffuse ? LinearColor.Convert(light.color, light.intensity) : LinearColor.Black();
directColor.red *= cct.r;
directColor.green *= cct.g;
directColor.blue *= cct.b;
directColor.intensity *= lightDimmer;
indirectColor = add.affectDiffuse ? LightmapperUtils.ExtractIndirect(light) : LinearColor.Black();
indirectColor.red *= cct.r;
indirectColor.green *= cct.g;
indirectColor.blue *= cct.b;
indirectColor.intensity *= lightDimmer;
lightDataGI.color = directColor;
lightDataGI.indirectColor = indirectColor;
// Note that the HDRI is correctly integrated in the GlobalIllumination system, we don't need to do anything regarding it.
// The difference is that `l.lightmapBakeType` is the intent, e.g.you want a mixed light with shadowmask. But then the overlap test might detect more than 4 overlapping volumes and force a light to fallback to baked.
// In that case `l.bakingOutput.lightmapBakeType` would be baked, instead of mixed, whereas `l.lightmapBakeType` would still be mixed. But this difference is only relevant in editor builds
#if UNITY_EDITOR
lightDataGI.mode = LightmapperUtils.Extract(light.lightmapBakeType);
#else
lightDataGI.mode = LightmapperUtils.Extract(light.bakingOutput.lightmapBakeType);
#endif
lightDataGI.shadow = (byte)(light.shadows != LightShadows.None ? 1 : 0);
HDLightType lightType = add.ComputeLightType(light);
if (lightType != HDLightType.Area)
{
// For HDRP we need to divide the analytic light color by PI (HDRP do explicit PI division for Lambert, but built in Unity and the GI don't for punctual lights)
// We apply it on both direct and indirect are they are separated, seems that direct is no used if we used mixed mode with indirect or shadowmask bake.
lightDataGI.color.intensity /= Mathf.PI;
lightDataGI.indirectColor.intensity /= Mathf.PI;
directColor.intensity /= Mathf.PI;
indirectColor.intensity /= Mathf.PI;
}
switch (lightType)
{
case HDLightType.Directional:
lightDataGI.orientation = light.transform.rotation;
lightDataGI.position = light.transform.position;
lightDataGI.range = 0.0f;
lightDataGI.coneAngle = add.shapeWidth;
lightDataGI.innerConeAngle = add.shapeHeight;
#if UNITY_EDITOR
lightDataGI.shape0 = light.shadows != LightShadows.None ? (Mathf.Deg2Rad * light.shadowAngle) : 0.0f;
#else
lightDataGI.shape0 = 0.0f;
#endif
lightDataGI.shape1 = 0.0f;
lightDataGI.type = UnityEngine.Experimental.GlobalIllumination.LightType.Directional;
lightDataGI.falloff = FalloffType.Undefined;
lightDataGI.coneAngle = add.shapeWidth;
lightDataGI.innerConeAngle = add.shapeHeight;
break;
case HDLightType.Spot:
switch (add.spotLightShape)
{
case SpotLightShape.Cone:
{
SpotLight spot;
spot.instanceID = light.GetInstanceID();
spot.shadow = light.shadows != LightShadows.None;
spot.mode = lightMode;
#if UNITY_EDITOR
spot.sphereRadius = light.shadows != LightShadows.None ? light.shadowRadius : 0.0f;
#else
spot.sphereRadius = 0.0f;
#endif
spot.position = light.transform.position;
spot.orientation = light.transform.rotation;
spot.color = directColor;
spot.indirectColor = indirectColor;
spot.range = light.range;
spot.coneAngle = light.spotAngle * Mathf.Deg2Rad;
spot.innerConeAngle = light.spotAngle * Mathf.Deg2Rad * add.innerSpotPercent01;
spot.falloff = add.applyRangeAttenuation ? FalloffType.InverseSquared : FalloffType.InverseSquaredNoRangeAttenuation;
spot.angularFalloff = AngularFalloffType.AnalyticAndInnerAngle;
lightDataGI.Init(ref spot, ref cookie);
lightDataGI.shape1 = (float)AngularFalloffType.AnalyticAndInnerAngle;
if (light.cookie != null)
{
lightDataGI.cookieID = light.cookie.GetInstanceID();
}
else if (add.IESSpot != null)
{
lightDataGI.cookieID = add.IESSpot.GetInstanceID();
}
else
{
lightDataGI.cookieID = 0;
}
}
break;
case SpotLightShape.Pyramid:
{
SpotLightPyramidShape pyramid;
pyramid.instanceID = light.GetInstanceID();
pyramid.shadow = light.shadows != LightShadows.None;
pyramid.mode = lightMode;
pyramid.position = light.transform.position;
pyramid.orientation = light.transform.rotation;
pyramid.color = directColor;
pyramid.indirectColor = indirectColor;
pyramid.range = light.range;
pyramid.angle = light.spotAngle * Mathf.Deg2Rad;
pyramid.aspectRatio = add.aspectRatio;
pyramid.falloff = add.applyRangeAttenuation ? FalloffType.InverseSquared : FalloffType.InverseSquaredNoRangeAttenuation;
lightDataGI.Init(ref pyramid, ref cookie);
if (light.cookie != null)
{
lightDataGI.cookieID = light.cookie.GetInstanceID();
}
else if (add.IESSpot != null)
{
lightDataGI.cookieID = add.IESSpot.GetInstanceID();
}
else
{
lightDataGI.cookieID = 0;
}
}
break;
case SpotLightShape.Box:
{
SpotLightBoxShape box;
box.instanceID = light.GetInstanceID();
box.shadow = light.shadows != LightShadows.None;
box.mode = lightMode;
box.position = light.transform.position;
box.orientation = light.transform.rotation;
box.color = directColor;
box.indirectColor = indirectColor;
box.range = light.range;
box.width = add.shapeWidth;
box.height = add.shapeHeight;
lightDataGI.Init(ref box, ref cookie);
if (light.cookie != null)
{
lightDataGI.cookieID = light.cookie.GetInstanceID();
}
else if (add.IESSpot != null)
{
lightDataGI.cookieID = add.IESSpot.GetInstanceID();
}
else
{
lightDataGI.cookieID = 0;
}
}
break;
default:
Debug.Assert(false, "Encountered an unknown SpotLightShape.");
break;
}
break;
case HDLightType.Point:
lightDataGI.orientation = light.transform.rotation;
lightDataGI.position = light.transform.position;
lightDataGI.range = light.range;
lightDataGI.coneAngle = 0.0f;
lightDataGI.innerConeAngle = 0.0f;
#if UNITY_EDITOR
lightDataGI.shape0 = light.shadows != LightShadows.None ? light.shadowRadius : 0.0f;
#else
lightDataGI.shape0 = 0.0f;
#endif
lightDataGI.shape1 = 0.0f;
lightDataGI.type = UnityEngine.Experimental.GlobalIllumination.LightType.Point;
lightDataGI.falloff = add.applyRangeAttenuation ? FalloffType.InverseSquared : FalloffType.InverseSquaredNoRangeAttenuation;
break;
case HDLightType.Area:
switch (add.areaLightShape)
{
case AreaLightShape.Rectangle:
lightDataGI.orientation = light.transform.rotation;
lightDataGI.position = light.transform.position;
lightDataGI.range = light.range;
lightDataGI.coneAngle = 0.0f;
lightDataGI.innerConeAngle = 0.0f;
lightDataGI.shape0 = add.shapeWidth;
lightDataGI.shape1 = add.shapeHeight;
// TEMP: for now, if we bake a rectangle type this will disable the light for runtime, need to speak with GI team about it!
lightDataGI.type = UnityEngine.Experimental.GlobalIllumination.LightType.Rectangle;
lightDataGI.falloff = add.applyRangeAttenuation ? FalloffType.InverseSquared : FalloffType.InverseSquaredNoRangeAttenuation;
if (add.areaLightCookie != null)
{
lightDataGI.cookieID = add.areaLightCookie.GetInstanceID();
}
else if (add.IESSpot != null)
{
lightDataGI.cookieID = add.IESSpot.GetInstanceID();
}
else
{
lightDataGI.cookieID = 0;
}
break;
case AreaLightShape.Tube:
lightDataGI.InitNoBake(lightDataGI.instanceID);
break;
case AreaLightShape.Disc:
lightDataGI.orientation = light.transform.rotation;
lightDataGI.position = light.transform.position;
lightDataGI.range = light.range;
lightDataGI.coneAngle = 0.0f;
lightDataGI.innerConeAngle = 0.0f;
#if UNITY_EDITOR
lightDataGI.shape0 = light.areaSize.x;
lightDataGI.shape1 = light.areaSize.y;
#else
lightDataGI.shape0 = 0.0f;
lightDataGI.shape1 = 0.0f;
#endif
// TEMP: for now, if we bake a rectangle type this will disable the light for runtime, need to speak with GI team about it!
lightDataGI.type = UnityEngine.Experimental.GlobalIllumination.LightType.Disc;
lightDataGI.falloff = add.applyRangeAttenuation ? FalloffType.InverseSquared : FalloffType.InverseSquaredNoRangeAttenuation;
lightDataGI.cookieID = add.areaLightCookie ? add.areaLightCookie.GetInstanceID() : 0;
break;
default:
Debug.Assert(false, "Encountered an unknown AreaLightShape.");
break;
}
break;
default:
Debug.Assert(false, "Encountered an unknown LightType.");
break;
}
return(true);
}
internal bool NeedRenderingDueToTransformChange(HDAdditionalLightData lightData, HDLightType lightType)
{
bool needUpdate = false;
if (m_TransformCaches.TryGetValue(lightData.lightIdxForCachedShadows, out CachedTransform cachedTransform))
{
float positionThreshold = lightData.cachedShadowTranslationUpdateThreshold;
Vector3 positionDiffVec = cachedTransform.position - lightData.transform.position;
float positionDiff = Vector3.Dot(positionDiffVec, positionDiffVec);
if (positionDiff > positionThreshold * positionThreshold)
{
needUpdate = true;
}
if (lightType != HDLightType.Point)
{
float angleDiffThreshold = lightData.cachedShadowAngleUpdateThreshold;
Vector3 angleDiff = cachedTransform.angles - lightData.transform.eulerAngles;
// Any angle difference
if (Mathf.Abs(angleDiff.x) > angleDiffThreshold || Mathf.Abs(angleDiff.y) > angleDiffThreshold || Mathf.Abs(angleDiff.z) > angleDiffThreshold)
{
needUpdate = true;
}
}
if (needUpdate)
{
// Update the record (CachedTransform is a struct, so we remove old one and replace with a new one)
m_TransformCaches.Remove(lightData.lightIdxForCachedShadows);
cachedTransform.position = lightData.transform.position;
cachedTransform.angles = lightData.transform.eulerAngles;
m_TransformCaches.Add(lightData.lightIdxForCachedShadows, cachedTransform);
}
}
return(needUpdate);
}
internal bool NeedRenderingDueToTransformChange(HDAdditionalLightData lightData, HDLightType lightType)
{
if (lightData.updateUponLightMovement)
{
if (lightType == HDLightType.Directional)
{
float angleDiffThreshold = lightData.cachedShadowAngleUpdateThreshold;
Vector3 angleDiff = m_CachedDirectionalAngles - lightData.transform.eulerAngles;
return(Mathf.Abs(angleDiff.x) > angleDiffThreshold || Mathf.Abs(angleDiff.y) > angleDiffThreshold || Mathf.Abs(angleDiff.z) > angleDiffThreshold);
}
else if (lightType == HDLightType.Area)
{
return(areaShadowAtlas.NeedRenderingDueToTransformChange(lightData, lightType));
}
else
{
return(punctualShadowAtlas.NeedRenderingDueToTransformChange(lightData, lightType));
}
}
return(false);
}
void BuildLightData(CommandBuffer cmd, HDCamera hdCamera, HDRayTracingLights rayTracingLights, DebugDisplaySettings debugDisplaySettings)
{
// If no lights, exit
if (rayTracingLights.lightCount == 0)
{
ResizeLightDataBuffer(1);
return;
}
// Also we need to build the light list data
if (m_LightDataGPUArray == null || m_LightDataGPUArray.count != rayTracingLights.lightCount)
{
ResizeLightDataBuffer(rayTracingLights.lightCount);
}
m_LightDataCPUArray.Clear();
// Grab the shadow settings
var hdShadowSettings = hdCamera.volumeStack.GetComponent <HDShadowSettings>();
BoolScalableSetting contactShadowScalableSetting = HDAdditionalLightData.ScalableSettings.UseContactShadow(m_RenderPipeline.asset);
// Build the data for every light
for (int lightIdx = 0; lightIdx < rayTracingLights.hdLightArray.Count; ++lightIdx)
{
// Grab the additinal light data to process
HDAdditionalLightData additionalLightData = rayTracingLights.hdLightArray[lightIdx];
LightData lightData = new LightData();
// When the user deletes a light source in the editor, there is a single frame where the light is null before the collection of light in the scene is triggered
// the workaround for this is simply to add an invalid light for that frame
if (additionalLightData == null)
{
m_LightDataCPUArray.Add(lightData);
continue;
}
// Evaluate all the light type data that we need
LightCategory lightCategory = LightCategory.Count;
GPULightType gpuLightType = GPULightType.Point;
LightVolumeType lightVolumeType = LightVolumeType.Count;
HDLightType lightType = additionalLightData.type;
HDRenderPipeline.EvaluateGPULightType(lightType, additionalLightData.spotLightShape, additionalLightData.areaLightShape, ref lightCategory, ref gpuLightType, ref lightVolumeType);
// Fetch the light component for this light
additionalLightData.gameObject.TryGetComponent(out lightComponent);
// Build the processed light data that we need
ProcessedLightData processedData = new ProcessedLightData();
processedData.additionalLightData = additionalLightData;
processedData.lightType = additionalLightData.type;
processedData.lightCategory = lightCategory;
processedData.gpuLightType = gpuLightType;
processedData.lightVolumeType = lightVolumeType;
// Both of these positions are non-camera-relative.
processedData.distanceToCamera = (additionalLightData.gameObject.transform.position - hdCamera.camera.transform.position).magnitude;
processedData.lightDistanceFade = HDUtils.ComputeLinearDistanceFade(processedData.distanceToCamera, additionalLightData.fadeDistance);
processedData.volumetricDistanceFade = HDUtils.ComputeLinearDistanceFade(processedData.distanceToCamera, additionalLightData.volumetricFadeDistance);
processedData.isBakedShadowMask = HDRenderPipeline.IsBakedShadowMaskLight(lightComponent);
// Build a visible light
Color finalColor = lightComponent.color.linear * lightComponent.intensity;
if (additionalLightData.useColorTemperature)
{
finalColor *= Mathf.CorrelatedColorTemperatureToRGB(lightComponent.colorTemperature);
}
visibleLight.finalColor = finalColor;
visibleLight.range = lightComponent.range;
// This should be done explicitely, localtoworld matrix doesn't work here
localToWorldMatrix.SetColumn(3, lightComponent.gameObject.transform.position);
localToWorldMatrix.SetColumn(2, lightComponent.transform.forward);
localToWorldMatrix.SetColumn(1, lightComponent.transform.up);
localToWorldMatrix.SetColumn(0, lightComponent.transform.right);
visibleLight.localToWorldMatrix = localToWorldMatrix;
visibleLight.spotAngle = lightComponent.spotAngle;
int shadowIndex = additionalLightData.shadowIndex;
int screenSpaceShadowIndex = -1;
int screenSpaceChannelSlot = -1;
Vector3 lightDimensions = new Vector3(0.0f, 0.0f, 0.0f);
// Use the shared code to build the light data
m_RenderPipeline.GetLightData(cmd, hdCamera, hdShadowSettings, visibleLight, lightComponent, in processedData,
shadowIndex, contactShadowScalableSetting, isRasterization: false, ref lightDimensions, ref screenSpaceShadowIndex, ref screenSpaceChannelSlot, ref lightData);
// We make the light position camera-relative as late as possible in order
// to allow the preceding code to work with the absolute world space coordinates.
Vector3 camPosWS = hdCamera.mainViewConstants.worldSpaceCameraPos;
HDRenderPipeline.UpdateLightCameraRelativetData(ref lightData, camPosWS);
// Set the data for this light
m_LightDataCPUArray.Add(lightData);
}
// Push the data to the GPU
m_LightDataGPUArray.SetData(m_LightDataCPUArray);
}
void BuildLightData(CommandBuffer cmd, HDCamera hdCamera, HDRayTracingLights rayTracingLights, DebugDisplaySettings debugDisplaySettings)
{
// If no lights, exit
if (rayTracingLights.lightCount == 0)
{
ResizeLightDataBuffer(1);
return;
}
// Also we need to build the light list data
if (m_LightDataGPUArray == null || m_LightDataGPUArray.count != rayTracingLights.lightCount)
{
ResizeLightDataBuffer(rayTracingLights.lightCount);
}
m_LightDataCPUArray.Clear();
// Grab the shadow settings
var hdShadowSettings = hdCamera.volumeStack.GetComponent <HDShadowSettings>();
BoolScalableSetting contactShadowScalableSetting = HDAdditionalLightData.ScalableSettings.UseContactShadow(m_RenderPipeline.asset);
// Build the data for every light
HDLightRenderDatabase lightEntities = HDLightRenderDatabase.instance;
var processedLightEntity = new HDProcessedVisibleLight()
{
shadowMapFlags = HDProcessedVisibleLightsBuilder.ShadowMapFlags.None
};
var globalConfig = HDGpuLightsBuilder.CreateGpuLightDataJobGlobalConfig.Create(hdCamera, hdShadowSettings);
var shadowInitParams = m_RenderPipeline.currentPlatformRenderPipelineSettings.hdShadowInitParams;
for (int lightIdx = 0; lightIdx < rayTracingLights.hdLightEntityArray.Count; ++lightIdx)
{
// Grab the additinal light data to process
int dataIndex = lightEntities.GetEntityDataIndex(rayTracingLights.hdLightEntityArray[lightIdx]);
HDAdditionalLightData additionalLightData = lightEntities.hdAdditionalLightData[dataIndex];
LightData lightData = new LightData();
// When the user deletes a light source in the editor, there is a single frame where the light is null before the collection of light in the scene is triggered
// the workaround for this is simply to add an invalid light for that frame
if (additionalLightData == null)
{
m_LightDataCPUArray.Add(lightData);
continue;
}
// Evaluate all the light type data that we need
LightCategory lightCategory = LightCategory.Count;
GPULightType gpuLightType = GPULightType.Point;
LightVolumeType lightVolumeType = LightVolumeType.Count;
HDLightType lightType = additionalLightData.type;
HDRenderPipeline.EvaluateGPULightType(lightType, additionalLightData.spotLightShape, additionalLightData.areaLightShape, ref lightCategory, ref gpuLightType, ref lightVolumeType);
// Fetch the light component for this light
additionalLightData.gameObject.TryGetComponent(out lightComponent);
ref HDLightRenderData lightRenderData = ref lightEntities.GetLightDataAsRef(dataIndex);
// Build the processed light data that we need
processedLightEntity.dataIndex = dataIndex;
processedLightEntity.gpuLightType = gpuLightType;
processedLightEntity.lightType = additionalLightData.type;
processedLightEntity.distanceToCamera = (additionalLightData.transform.position - hdCamera.camera.transform.position).magnitude;
processedLightEntity.lightDistanceFade = HDUtils.ComputeLinearDistanceFade(processedLightEntity.distanceToCamera, lightRenderData.fadeDistance);
processedLightEntity.lightVolumetricDistanceFade = HDUtils.ComputeLinearDistanceFade(processedLightEntity.distanceToCamera, lightRenderData.volumetricFadeDistance);
processedLightEntity.isBakedShadowMask = HDRenderPipeline.IsBakedShadowMaskLight(lightComponent);
// Build a visible light
visibleLight.finalColor = LightUtils.EvaluateLightColor(lightComponent, additionalLightData);
visibleLight.range = lightComponent.range;
// This should be done explicitly, localToWorld matrix doesn't work here
localToWorldMatrix.SetColumn(3, lightComponent.gameObject.transform.position);
localToWorldMatrix.SetColumn(2, lightComponent.transform.forward);
localToWorldMatrix.SetColumn(1, lightComponent.transform.up);
localToWorldMatrix.SetColumn(0, lightComponent.transform.right);
visibleLight.localToWorldMatrix = localToWorldMatrix;
visibleLight.spotAngle = lightComponent.spotAngle;
int shadowIndex = additionalLightData.shadowIndex;
Vector3 lightDimensions = new Vector3(0.0f, 0.0f, 0.0f);
// Use the shared code to build the light data
HDGpuLightsBuilder.CreateGpuLightDataJob.ConvertLightToGPUFormat(
lightCategory, gpuLightType, globalConfig,
lightComponent.lightShadowCasterMode, lightComponent.bakingOutput,
visibleLight, processedLightEntity, lightRenderData, out var _, ref lightData);
m_RenderPipeline.gpuLightList.ProcessLightDataShadowIndex(cmd, shadowInitParams, lightType, lightComponent, additionalLightData, shadowIndex, ref lightData);
// We make the light position camera-relative as late as possible in order
// to allow the preceding code to work with the absolute world space coordinates.
Vector3 camPosWS = hdCamera.mainViewConstants.worldSpaceCameraPos;
HDRenderPipeline.UpdateLightCameraRelativetData(ref lightData, camPosWS);
// Set the data for this light
m_LightDataCPUArray.Add(lightData);
}
