The mutable execution parameters used by FSR2 for each frame.
Modify this data before invoking GraphicsDevice.ExecuteFSR2 to control frame-specific behavior such as jitter, motion vector scale, sharpness, and camera properties.
Additional resources: FSR2CommandExecutionData.
using UnityEngine; using UnityEngine.Rendering; using UnityEngine.Rendering.HighDefinition; using UnityEngine.Experimental.Rendering; using UnityEngine.AMD;
// Example HDRP custom pass public class CustomFSRPass : CustomPass { void InitializeAMDDevice() { // device initialization code } bool HasOutputResolutionChanged(CustomPassContext ctx) { // detect resolution change } bool HasInputResolutionChanged(CustomPassContext ctx) { // detect resolution change }
protected override void Setup(ScriptableRenderContext renderContext, CommandBuffer cmd) { // setup code }
protected override void Execute(CustomPassContext ctx) { bool initializeFsr2Context = fsr2Context == null || HasInputResolutionChanged(ctx) || HasOutputResolutionChanged(ctx); if (initializeFsr2Context) { // fsr2Context initialization code }
Vector2Int mvSize = ctx.cameraMotionVectorsBuffer.GetScaledSize(); m_InputTextureSize = ctx.cameraColorBuffer.GetScaledSize();
fsr2Context.executeData.enableSharpening = m_EnableSharpening ? 1 : 0; fsr2Context.executeData.sharpness = m_Sharpness; fsr2Context.executeData.renderSizeWidth = (uint)m_InputTextureSize.x; fsr2Context.executeData.renderSizeHeight = (uint)m_InputTextureSize.y; fsr2Context.executeData.jitterOffsetX = -ctx.hdCamera.taaJitter.x; fsr2Context.executeData.jitterOffsetY = -ctx.hdCamera.taaJitter.y; fsr2Context.executeData.preExposure = 1.0f; fsr2Context.executeData.frameTimeDelta = Time.deltaTime * 1000.0f; // FSR2 expects time in milliseconds fsr2Context.executeData.cameraNear = ctx.hdCamera.camera.nearClipPlane; fsr2Context.executeData.cameraFar = ctx.hdCamera.camera.farClipPlane; fsr2Context.executeData.cameraFovAngleVertical = ctx.hdCamera.camera.fieldOfView * (Mathf.PI * 2.0f/360.0f); // FSR2 expects in radians
// Unity computes motion vectors in NDC, FSR2 expects them in screen space and from current frame to previous frame. // Here we scale by the render target size to meet the FSR2 requirements, // and also invert them to satisfy the frame of reference requirement. fsr2Context.executeData.MVScaleX = -((float)mvSize.x); fsr2Context.executeData.MVScaleY = -((float)mvSize.y);
#if UNITY_EDITOR // The same camera is used to render both Scene and Play mode views within the editor. // In case both of these views are visible at the same time, we'll need to reset to avoid // rendering artifacts. fsr2Context.executeData.reset = 1; #else fsr2Context.executeData.reset = (initializeFsr2Context || parameters.hdCamera.isFirstFrame) ? 1 : 0; #endif
FSR2TextureTable fsr2TextureTable = new FSR2TextureTable() { // setup texture table for FSR2 inputs/outputs };
amdDevice.ExecuteFSR2(ctx.cmd, fsr2Context, fsr2TextureTable); }
protected override void Cleanup() { // cleanup code }
private GraphicsDevice amdDevice = null; private FSR2Context fsr2Context = null;
[SerializeField] public float m_Sharpness = 0.92f; [SerializeField] public bool m_EnableSharpening = true; Vector2Int m_InputTextureSize = new Vector2Int(0,0); }