HD Sample Buffer Node

Description

The HD Sample Buffer Node samples a buffer directly from the Camera.

Render pipeline compatibility

Node	Universal Render Pipeline (URP)	High Definition Render Pipeline (HDRP)
HD Sample Buffer	No	Yes

Ports

Name	Direction	Type	Binding	Description
UV	Input	Vector 2	UV	Input UV value.
Sampler	Input	SamplerState	None	Determines the sampler that Unity uses to sample the buffer.
Output	Output	Float	None	Output value.

Controls

Name	Type	Options	Description
Source Buffer	Dropdown	World Normal, Roughness, Motion Vectors, PostProcess Input, Blit Source.	Determines which buffer to sample.

Generated Code Example

The following example code represents one possible outcome of this node:

float4 Unity_HDRP_SampleBuffer_float(float2 uv, SamplerState samplerState)
{
    return SAMPLE_TEXTURE2D_X_LOD(_CustomPostProcessInput, samplerState, uv * _RTHandlePostProcessScale.xy, 0);
}