Class HDAdditionalCameraData

Additional component that holds HDRP specific parameters for Cameras.

Inheritance
Object
Object
Component
Behaviour
MonoBehaviour
HDAdditionalCameraData
Inherited Members
UnityEngine.Object.FindObjectsOfType<T>(System.Boolean)
UnityEngine.Object.FindObjectOfType<T>(System.Boolean)
Namespace: UnityEngine.Rendering.HighDefinition
Syntax
[HelpURL("https://docs.unity3d.com/Packages/com.unity.render-pipelines.high-definition@9.0/manual/HDRP-Camera.html")]
[DisallowMultipleComponent]
[ExecuteAlways]
[RequireComponent(typeof(Camera))]
public class HDAdditionalCameraData : MonoBehaviour, IFrameSettingsHistoryContainer, IDebugData, IVersionable<HDAdditionalCameraData.Version>

Fields

allowDynamicResolution

Allows dynamic resolution on buffers linked to this camera.

Declaration
[Tooltip("Allows dynamic resolution on buffers linked to this camera.")]
public bool allowDynamicResolution
Field Value
Type Description
Boolean

antialiasing

Anti-aliasing mode.

Declaration
public HDAdditionalCameraData.AntialiasingMode antialiasing
Field Value
Type Description
HDAdditionalCameraData.AntialiasingMode

backgroundColorHDR

HDR color used for clearing the camera background.

Declaration
[ColorUsage(true, true)]
public Color backgroundColorHDR
Field Value
Type Description
Color

clearColorMode

Clear mode for the camera background.

Declaration
public HDAdditionalCameraData.ClearColorMode clearColorMode
Field Value
Type Description
HDAdditionalCameraData.ClearColorMode

clearDepth

Clear depth as well as color.

Declaration
public bool clearDepth
Field Value
Type Description
Boolean

customRenderingSettings

Allows you to override the default frame settings for this camera.

Declaration
[Tooltip("Allows you to override the default settings for this camera.")]
public bool customRenderingSettings
Field Value
Type Description
Boolean

defaultFrameSettings

When using default frame settings, specify which type of frame settings to use.

Declaration
public FrameSettingsRenderType defaultFrameSettings
Field Value
Type Description
FrameSettingsRenderType

dithering

Use dithering to filter out minor banding.

Declaration
public bool dithering
Field Value
Type Description
Boolean

flipYMode

Vertical flip mode.

Declaration
public HDAdditionalCameraData.FlipYMode flipYMode
Field Value
Type Description
HDAdditionalCameraData.FlipYMode

fullscreenPassthrough

Skips rendering settings to directly render in fullscreen (Useful for video).

Declaration
[Tooltip("Skips rendering settings to directly render in fullscreen (Useful for video).")]
public bool fullscreenPassthrough
Field Value
Type Description
Boolean

hasPersistentHistory

Enable to retain history buffers even if the camera is disabled.

Declaration
public bool hasPersistentHistory
Field Value
Type Description
Boolean

invertFaceCulling

Invert face culling.

Declaration
public bool invertFaceCulling
Field Value
Type Description
Boolean

nonObliqueProjectionGetter

Specify a custom getter for non oblique projection matrix.

Declaration
public HDAdditionalCameraData.NonObliqueProjectionGetter nonObliqueProjectionGetter
Field Value
Type Description
HDAdditionalCameraData.NonObliqueProjectionGetter

physicalParameters

Physical camera parameters.

Declaration
public HDPhysicalCamera physicalParameters
Field Value
Type Description
HDPhysicalCamera

probeLayerMask

Probe layer mask.

Declaration
public LayerMask probeLayerMask
Field Value
Type Description
LayerMask

renderingPathCustomFrameSettingsOverrideMask

Mask specifying which frame settings are overridden when using custom frame settings.

Declaration
public FrameSettingsOverrideMask renderingPathCustomFrameSettingsOverrideMask
Field Value
Type Description
FrameSettingsOverrideMask

SMAAQuality

Quality of the anti-aliasing when using SMAA.

Declaration
public HDAdditionalCameraData.SMAAQualityLevel SMAAQuality
Field Value
Type Description
HDAdditionalCameraData.SMAAQualityLevel

stopNaNs

Use a pass to eliminate NaNs contained in the color buffer before post-processing.

Declaration
public bool stopNaNs
Field Value
Type Description
Boolean

taaAntiFlicker

Drive the anti-flicker mechanism. With high values flickering might be reduced, but it can lead to more ghosting or disocclusion artifacts.

Declaration
[Range(0F, 1F)]
public float taaAntiFlicker
Field Value
Type Description
Single

taaAntiHistoryRinging

When enabled, ringing artifacts (dark or strangely saturated edges) caused by history sharpening will be improved. This comes at a potential loss of sharpness upon motion.

Declaration
public bool taaAntiHistoryRinging
Field Value
Type Description
Boolean

taaHistorySharpening

Strength of the sharpening of the history sampled for TAA.

Declaration
[Range(0F, 1F)]
public float taaHistorySharpening
Field Value
Type Description
Single

taaMotionVectorRejection

Larger is this value, more likely history will be rejected when current and reprojected history motion vector differ by a substantial amount. Larger values can decrease ghosting but will also reintroduce aliasing on the aforementioned cases.

Declaration
[Range(0F, 1F)]
public float taaMotionVectorRejection
Field Value
Type Description
Single

TAAQuality

Quality of the anti-aliasing when using TAA.

Declaration
public HDAdditionalCameraData.TAAQualityLevel TAAQuality
Field Value
Type Description
HDAdditionalCameraData.TAAQualityLevel

taaSharpenStrength

Strength of the sharpening component of temporal anti-aliasing.

Declaration
[Range(0F, 2F)]
public float taaSharpenStrength
Field Value
Type Description
Single

volumeAnchorOverride

Optional transform override for the position where volumes are interpolated.

Declaration
public Transform volumeAnchorOverride
Field Value
Type Description
Transform

volumeLayerMask

Layer mask used to select which volumes will influence this camera.

Declaration
[Tooltip("LayerMask HDRP uses for Volume interpolation for this Camera.")]
public LayerMask volumeLayerMask
Field Value
Type Description
LayerMask

xrRendering

Enable XR rendering.

Declaration
public bool xrRendering
Field Value
Type Description
Boolean

Properties

aovRequests

Use this property to get the aov requests.

It is never null.

Declaration
public IEnumerable<AOVRequestData> aovRequests { get; }
Property Value
Type Description
IEnumerable<AOVRequestData>

hasCustomRender

True if any Custom Render event is registered for this camera.

Declaration
public bool hasCustomRender { get; }
Property Value
Type Description
Boolean

isEditorCameraPreview

Unity support two type of preview: Camera preview and material preview. This property allow to know that we are an editor camera preview when the type is preview.

Declaration
public bool isEditorCameraPreview { get; }
Property Value
Type Description
Boolean

renderingPathCustomFrameSettings

Custom frame settings.

Declaration
public FrameSettings renderingPathCustomFrameSettings { get; }
Property Value
Type Description
FrameSettings

Methods

CopyTo(HDAdditionalCameraData)

Copy HDAdditionalCameraData.

Declaration
public void CopyTo(HDAdditionalCameraData data)
Parameters
Type Name Description
HDAdditionalCameraData data

Component to copy to.

GetGraphicsBuffer(HDAdditionalCameraData.BufferAccessType)

Returns the requested graphics buffer. Users should use the requestGraphicsBuffer event to make sure that the required buffers are requested first. Note that depending on the current frame settings some buffers may not be available.

Declaration
public RTHandle GetGraphicsBuffer(HDAdditionalCameraData.BufferAccessType type)
Parameters
Type Name Description
HDAdditionalCameraData.BufferAccessType type

Type of the requested buffer.
Returns
Type Description
RTHandle

Requested buffer as a RTHandle. Can be null if the buffer is not available.

GetNonObliqueProjection(Camera)

Returns the non oblique projection matrix for this camera.

Declaration
public Matrix4x4 GetNonObliqueProjection(Camera camera)
Parameters
Type Name Description
Camera camera

Requested camera.
Returns
Type Description
Matrix4x4

The non oblique projection matrix for this camera.

SetAOVRequests(AOVRequestDataCollection)

Set AOV requests to use.

Declaration
public void SetAOVRequests(AOVRequestDataCollection aovRequests)
Parameters
Type Name Description
AOVRequestDataCollection aovRequests

Describes the requests to execute.
Examples
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Rendering;
using UnityEngine.Rendering.HighDefinition;
using UnityEngine.Rendering.HighDefinition.Attributes;

[ExecuteAlways]
[RequireComponent(typeof(Camera))]
[RequireComponent(typeof(HDAdditionalCameraData))]
public class SetupAOVCallbacks : MonoBehaviour
{
    private static RTHandle m_ColorRT;

    [SerializeField] private Texture m_Target;
    [SerializeField] private DebugFullScreen m_DebugFullScreen;
    [SerializeField] private DebugLightFilterMode m_DebugLightFilter;
    [SerializeField] private MaterialSharedProperty m_MaterialSharedProperty;
    [SerializeField] private LightingProperty m_LightingProperty;
    [SerializeField] private AOVBuffers m_BuffersToCopy;
    [SerializeField] private List<GameObject> m_IncludedLights;


    void OnEnable()
    {
        var aovRequest = new AOVRequest(AOVRequest.NewDefault())
            .SetLightFilter(m_DebugLightFilter);
        if (m_DebugFullScreen != DebugFullScreen.None)
            aovRequest = aovRequest.SetFullscreenOutput(m_DebugFullScreen);
        if (m_MaterialSharedProperty != MaterialSharedProperty.None)
            aovRequest = aovRequest.SetFullscreenOutput(m_MaterialSharedProperty);
        if (m_LightingProperty != LightingProperty.None)
            aovRequest = aovRequest.SetFullscreenOutput(m_LightingProperty);

        var add = GetComponent<HDAdditionalCameraData>();
        add.SetAOVRequests(
            new AOVRequestBuilder()
                .Add(
                    aovRequest,
                    bufferId => m_ColorRT ?? (m_ColorRT = RTHandles.Alloc(512, 512)),
                    m_IncludedLights.Count > 0 ? m_IncludedLights : null,
                    new []{ m_BuffersToCopy },
                    (cmd, textures, properties) =>
                    {
                        if (m_Target != null)
                            cmd.Blit(textures[0], m_Target);
                    })
                .Build()
        );
    }

    private void OnGUI()
    {
        GUI.DrawTexture(new Rect(10, 10, 512, 256), m_Target);
    }

    void OnDisable()
    {
        var add = GetComponent<HDAdditionalCameraData>();
        add.SetAOVRequests(null);
    }

    void OnValidate()
    {
        OnDisable();
        OnEnable();
    }
}

Example use case:

  • Export Normals: use MaterialSharedProperty.Normals and AOVBuffers.Color
  • Export Color before post processing: use AOVBuffers.Color
  • Export Color after post processing: use AOVBuffers.Output
  • Export Depth stencil: use AOVBuffers.DepthStencil
  • Export AO: use MaterialSharedProperty.AmbientOcclusion and AOVBuffers.Color

Events

customRender

Event used to override HDRP rendering for this particular camera.

Declaration
public event Action<ScriptableRenderContext, HDCamera> customRender
Event Type
Type Description
Action<ScriptableRenderContext, HDCamera>

requestGraphicsBuffer

RequestAccessDelegate used to request access to various buffers of this camera.

Declaration
public event HDAdditionalCameraData.RequestAccessDelegate requestGraphicsBuffer
Event Type
Type Description
HDAdditionalCameraData.RequestAccessDelegate

Explicit Interface Implementations

IVersionable<HDAdditionalCameraData.Version>.version

Declaration
HDAdditionalCameraData.Version IVersionable<HDAdditionalCameraData.Version>.version { get; set; }
Returns
Type Description
HDAdditionalCameraData.Version
Implements