Class HDUtils

Various utility functions for HDRP.

Inheritance

HDUtils

Namespace: UnityEngine.Rendering.HighDefinition

Syntax

public class HDUtils

Properties

clearTexture3D

Default 1x1x1 3D texture initialized with Color.clear.

Declaration

public static Texture3D clearTexture3D { get; }

Property Value

Type	Description
Texture3D

clearTexture3DRTH

Default 1x1x1 3D RTHandle initialized with Color.clear.

Declaration

public static RTHandle clearTexture3DRTH { get; }

Property Value

Type	Description
UnityEngine.Rendering.RTHandle

hdrpSettings

Current HDRP settings.

Declaration

public static RenderPipelineSettings hdrpSettings { get; }

Property Value

Type	Description
RenderPipelineSettings

Methods

BlitCameraTexture(CommandBuffer, RTHandle, RTHandle, Single, Boolean)

Blit a RTHandle to another RTHandle. This will properly account for partial usage (in term of resolution) of the texture for the current viewport.

Declaration

public static void BlitCameraTexture(CommandBuffer cmd, RTHandle source, RTHandle destination, float mipLevel = 0F, bool bilinear = false)

Parameters

Type	Name	Description
CommandBuffer	cmd	Command Buffer used for rendering.
UnityEngine.Rendering.RTHandle	source	Source RTHandle.
UnityEngine.Rendering.RTHandle	destination	Destination RTHandle.
Single	mipLevel	Mip level to blit.
Boolean	bilinear	Enable bilinear filtering.

BlitCameraTexture(CommandBuffer, RTHandle, RTHandle, Material, Int32)

Blit a RTHandle to another RTHandle. This will properly account for partial usage (in term of resolution) of the texture for the current viewport. This overloads allows the user to override the default blit shader

Declaration

public static void BlitCameraTexture(CommandBuffer cmd, RTHandle source, RTHandle destination, Material material, int pass)

Parameters

Type	Name	Description
CommandBuffer	cmd	Command Buffer used for rendering.
UnityEngine.Rendering.RTHandle	source	Source RTHandle.
UnityEngine.Rendering.RTHandle	destination	Destination RTHandle.
Material	material	The material to use when blitting
Int32	pass	pass to use of the provided material

BlitCameraTexture(CommandBuffer, RTHandle, RTHandle, Rect, Single, Boolean)

Blit a RTHandle to another RTHandle. This will properly account for partial usage (in term of resolution) of the texture for the current viewport. This overload allows user to override the viewport of the destination RTHandle.

Declaration

public static void BlitCameraTexture(CommandBuffer cmd, RTHandle source, RTHandle destination, Rect destViewport, float mipLevel = 0F, bool bilinear = false)

Parameters

Type	Name	Description
CommandBuffer	cmd	Command Buffer used for rendering.
UnityEngine.Rendering.RTHandle	source	Source RTHandle.
UnityEngine.Rendering.RTHandle	destination	Destination RTHandle.
Rect	destViewport	Viewport of the destination RTHandle.
Single	mipLevel	Mip level to blit.
Boolean	bilinear	Enable bilinear filtering.

BlitCameraTexture(CommandBuffer, RTHandle, RTHandle, Vector4, Single, Boolean)

Declaration

public static void BlitCameraTexture(CommandBuffer cmd, RTHandle source, RTHandle destination, Vector4 scaleBias, float mipLevel = 0F, bool bilinear = false)

Parameters

Type	Name	Description
CommandBuffer	cmd	Command Buffer used for rendering.
UnityEngine.Rendering.RTHandle	source	Source RTHandle.
UnityEngine.Rendering.RTHandle	destination	Destination RTHandle.
Vector4	scaleBias	Scale and bias used to sample the input RTHandle.
Single	mipLevel	Mip level to blit.
Boolean	bilinear	Enable bilinear filtering.

BlitOctahedralWithPadding(CommandBuffer, Texture, Vector2, Vector4, Vector4, Int32, Boolean, Int32)

Blit a texture (which is a Octahedral projection) using a quad in the current render target.

Declaration

public static void BlitOctahedralWithPadding(CommandBuffer cmd, Texture source, Vector2 textureSize, Vector4 scaleBiasTex, Vector4 scaleBiasRT, int mipLevelTex, bool bilinear, int paddingInPixels)

Parameters

Type	Name	Description
CommandBuffer	cmd	Command buffer used for rendering.
Texture	source	Source texture.
Vector2	textureSize	Source texture size.
Vector4	scaleBiasTex	Scale and bias for sampling the input texture.
Vector4	scaleBiasRT	Scale and bias for the output texture.
Int32	mipLevelTex	Mip level to blit.
Boolean	bilinear	Enable bilinear filtering.
Int32	paddingInPixels	Padding in pixels.

BlitOctahedralWithPaddingMultiply(CommandBuffer, Texture, Vector2, Vector4, Vector4, Int32, Boolean, Int32)

Blit a texture (which is a Octahedral projection) using a quad in the current render target, by performing an alpha blend with the existing content on the render target.

Declaration

public static void BlitOctahedralWithPaddingMultiply(CommandBuffer cmd, Texture source, Vector2 textureSize, Vector4 scaleBiasTex, Vector4 scaleBiasRT, int mipLevelTex, bool bilinear, int paddingInPixels)

Parameters

Type	Name	Description
CommandBuffer	cmd	Command buffer used for rendering.
Texture	source	Source texture.
Vector2	textureSize	Source texture size.
Vector4	scaleBiasTex	Scale and bias for sampling the input texture.
Vector4	scaleBiasRT	Scale and bias for the output texture.
Int32	mipLevelTex	Mip level to blit.
Boolean	bilinear	Enable bilinear filtering.
Int32	paddingInPixels	Padding in pixels.

BlitQuad(CommandBuffer, Texture, Vector4, Vector4, Int32, Boolean)

Blit a texture using a quad in the current render target.

Declaration

public static void BlitQuad(CommandBuffer cmd, Texture source, Vector4 scaleBiasTex, Vector4 scaleBiasRT, int mipLevelTex, bool bilinear)

Parameters

Type	Name	Description
CommandBuffer	cmd	Command buffer used for rendering.
Texture	source	Source texture.
Vector4	scaleBiasTex	Scale and bias for the input texture.
Vector4	scaleBiasRT	Scale and bias for the output texture.
Int32	mipLevelTex	Mip level to blit.
Boolean	bilinear	Enable bilinear filtering.

BlitQuadWithPadding(CommandBuffer, Texture, Vector2, Vector4, Vector4, Int32, Boolean, Int32)

Blit a texture using a quad in the current render target.

Declaration

public static void BlitQuadWithPadding(CommandBuffer cmd, Texture source, Vector2 textureSize, Vector4 scaleBiasTex, Vector4 scaleBiasRT, int mipLevelTex, bool bilinear, int paddingInPixels)

Parameters

Type	Name	Description
CommandBuffer	cmd	Command buffer used for rendering.
Texture	source	Source texture.
Vector2	textureSize	Source texture size.
Vector4	scaleBiasTex	Scale and bias for sampling the input texture.
Vector4	scaleBiasRT	Scale and bias for the output texture.
Int32	mipLevelTex	Mip level to blit.
Boolean	bilinear	Enable bilinear filtering.
Int32	paddingInPixels	Padding in pixels.

BlitQuadWithPaddingMultiply(CommandBuffer, Texture, Vector2, Vector4, Vector4, Int32, Boolean, Int32)

Blit a texture using a quad in the current render target, by performing an alpha blend with the existing content on the render target.

Declaration

public static void BlitQuadWithPaddingMultiply(CommandBuffer cmd, Texture source, Vector2 textureSize, Vector4 scaleBiasTex, Vector4 scaleBiasRT, int mipLevelTex, bool bilinear, int paddingInPixels)

Parameters

Type	Name	Description
CommandBuffer	cmd	Command buffer used for rendering.
Texture	source	Source texture.
Vector2	textureSize	Source texture size.
Vector4	scaleBiasTex	Scale and bias for sampling the input texture.
Vector4	scaleBiasRT	Scale and bias for the output texture.
Int32	mipLevelTex	Mip level to blit.
Boolean	bilinear	Enable bilinear filtering.
Int32	paddingInPixels	Padding in pixels.

BlitTexture(CommandBuffer, RTHandle, Vector4, Single, Boolean)

Blit a RTHandle texture.

Declaration

public static void BlitTexture(CommandBuffer cmd, RTHandle source, Vector4 scaleBias, float mipLevel, bool bilinear)

Parameters

Type	Name	Description
CommandBuffer	cmd	Command Buffer used for rendering.
UnityEngine.Rendering.RTHandle	source	Source RTHandle.
Vector4	scaleBias	Scale and bias for sampling the input texture.
Single	mipLevel	Mip level to blit.
Boolean	bilinear	Enable bilinear filtering.

DrawFullScreen(CommandBuffer, Material, RenderTargetIdentifier[], RTHandle, MaterialPropertyBlock, Int32)

Draw a full screen triangle with a material. This will automatically set the viewport of the destination RTHandle based on the current camera parameters.

Declaration

public static void DrawFullScreen(CommandBuffer commandBuffer, Material material, RenderTargetIdentifier[] colorBuffers, RTHandle depthStencilBuffer, MaterialPropertyBlock properties = null, int shaderPassId = 0)

Parameters

Type	Name	Description
CommandBuffer	commandBuffer	Command Buffer used for rendering.
Material	material	Material used for rendering.
RenderTargetIdentifier[]	colorBuffers	Array of RenderTargetIdentifier for multiple render target rendering.
UnityEngine.Rendering.RTHandle	depthStencilBuffer	Destination Depth Stencil RTHandle.
MaterialPropertyBlock	properties	Optional material property block.
Int32	shaderPassId	Optional pass index to use.

DrawFullScreen(CommandBuffer, Material, RTHandle, MaterialPropertyBlock, Int32)

Draw a full screen triangle with a material. This will automatically set the viewport of the destination RTHandle based on the current camera parameters.

Declaration

public static void DrawFullScreen(CommandBuffer commandBuffer, Material material, RTHandle colorBuffer, MaterialPropertyBlock properties = null, int shaderPassId = 0)

Parameters

Type	Name	Description
CommandBuffer	commandBuffer	Command Buffer used for rendering.
Material	material	Material used for rendering.
UnityEngine.Rendering.RTHandle	colorBuffer	Destination RTHandle.
MaterialPropertyBlock	properties	Optional material property block.
Int32	shaderPassId	Optional pass index to use.

DrawFullScreen(CommandBuffer, Material, RTHandle, RTHandle, MaterialPropertyBlock, Int32)

Draw a full screen triangle with a material. This will automatically set the viewport of the destination RTHandle based on the current camera parameters.

Declaration

public static void DrawFullScreen(CommandBuffer commandBuffer, Material material, RTHandle colorBuffer, RTHandle depthStencilBuffer, MaterialPropertyBlock properties = null, int shaderPassId = 0)

Parameters

Type	Name	Description
CommandBuffer	commandBuffer	Command Buffer used for rendering.
Material	material	Material used for rendering.
UnityEngine.Rendering.RTHandle	colorBuffer	Destination RTHandle.
UnityEngine.Rendering.RTHandle	depthStencilBuffer	Destination Depth Stencil RTHandle.
MaterialPropertyBlock	properties	Optional material property block.
Int32	shaderPassId	Optional pass index to use.

DrawFullScreen(CommandBuffer, Rect, Material, RenderTargetIdentifier, MaterialPropertyBlock, Int32, Int32)

Draw a full screen triangle with a material. This will render into the destination texture with the specified viewport.

Declaration

public static void DrawFullScreen(CommandBuffer commandBuffer, Rect viewport, Material material, RenderTargetIdentifier destination, MaterialPropertyBlock properties = null, int shaderPassId = 0, int depthSlice = -1)

Parameters

Type	Name	Description
CommandBuffer	commandBuffer	Command Buffer used for rendering.
Rect	viewport	Destination viewport.
Material	material	Material used for rendering.
RenderTargetIdentifier	destination	Destination RenderTargetIdentifier.
MaterialPropertyBlock	properties	Optional Material Property block.
Int32	shaderPassId	Optional pass index to use.
Int32	depthSlice	Optional depth slice to render to.

DrawFullScreen(CommandBuffer, Rect, Material, RenderTargetIdentifier, RTHandle, MaterialPropertyBlock, Int32)

Draw a full screen triangle with a material. This will render into the destination texture with the specified viewport.

Declaration

public static void DrawFullScreen(CommandBuffer commandBuffer, Rect viewport, Material material, RenderTargetIdentifier destination, RTHandle depthStencilBuffer, MaterialPropertyBlock properties = null, int shaderPassId = 0)

Parameters

Type	Name	Description
CommandBuffer	commandBuffer	Command Buffer used for rendering.
Rect	viewport	Destination viewport.
Material	material	Material used for rendering.
RenderTargetIdentifier	destination	Destination RenderTargetIdentifier.
UnityEngine.Rendering.RTHandle	depthStencilBuffer	Destination Depth Stencil RTHandle.
MaterialPropertyBlock	properties	Optional Material Property block.
Int32	shaderPassId	Optional pass index to use.

DrawRendererList(ScriptableRenderContext, CommandBuffer, RendererList)

Draw a renderer list.

Declaration

[Obsolete("Please use CoreUtils.DrawRendererList instead.")]
public static void DrawRendererList(ScriptableRenderContext renderContext, CommandBuffer cmd, RendererList rendererList)

Parameters

Type	Name	Description
ScriptableRenderContext	renderContext	Current Scriptable Render Context.
CommandBuffer	cmd	Command Buffer used for rendering.
UnityEngine.Experimental.Rendering.RendererList	rendererList	Renderer List to render.

GetBakedLightingRenderConfig()

Returns the render configuration for baked static lighting, this value can be used in a RendererListDesc call to render Lit objects.

Declaration

public static PerObjectData GetBakedLightingRenderConfig()

Returns

Type	Description
PerObjectData

GetBakedLightingWithShadowMaskRenderConfig()

Returns the render configuration for baked static lighting with shadow masks, this value can be used in a RendererListDesc call to render Lit objects when shadow masks are enabled.

Declaration

public static PerObjectData GetBakedLightingWithShadowMaskRenderConfig()

Returns

Type	Description
PerObjectData

GetBlitMaterial(TextureDimension, Boolean)

Returns the HDRP default blit material.

Declaration

public static Material GetBlitMaterial(TextureDimension dimension, bool singleSlice = false)

Parameters

Type	Name	Description
TextureDimension	dimension	Dimension of the texture to blit, either 2D or 2D Array.
Boolean	singleSlice	Blit only a single slice of the array if applicable.

Returns

Type	Description
Material

NormalizeColor(Color)

Normalize the input color.

Declaration

public static Color NormalizeColor(Color color)

Parameters

Type	Name	Description
Color	color	Input color.

Returns

Type	Description
Color	Normalized color.