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#if HDRP_PRESENT
using System;
using JetBrains.Annotations;
using UnityEngine.Rendering.HighDefinition;
using UnityEngine.Rendering;
namespace UnityEngine.Perception.GroundTruth
{
/// <summary>
/// A CustomPass for creating object instance segmentation images. GameObjects containing Labeling components
/// are assigned unique IDs, which are rendered into the target texture.
/// </summary>
public class InstanceSegmentationPass : CustomPass
{
InstanceSegmentationCrossPipelinePass m_InstanceSegmentationCrossPipelinePass;
public RenderTexture targetTexture;
public Camera targetCamera;
[UsedImplicitly]
public InstanceSegmentationPass() {}
//overrides obsolete member in HDRP on 2020.1+. Re-address when removing 2019.4 support or the API is dropped
#if HDRP_9_OR_NEWER
protected override void Execute(CustomPassContext ctx)
{
ScriptableRenderContext renderContext = ctx.renderContext;
var cmd = ctx.cmd;
var hdCamera = ctx.hdCamera;
var cullingResult = ctx.cullingResults;
#else
protected override void Execute(ScriptableRenderContext renderContext, CommandBuffer cmd, HDCamera hdCamera, CullingResults cullingResult)
{
#endif
if (targetCamera != hdCamera.camera)
return;
CoreUtils.SetRenderTarget(cmd, targetTexture, ClearFlag.All);
m_InstanceSegmentationCrossPipelinePass.Execute(renderContext, cmd, hdCamera.camera, cullingResult);
}
public void EnsureInit()
{
if (m_InstanceSegmentationCrossPipelinePass == null)
{
m_InstanceSegmentationCrossPipelinePass = new InstanceSegmentationCrossPipelinePass(targetCamera);
m_InstanceSegmentationCrossPipelinePass.Setup();
}
}
protected override void Setup(ScriptableRenderContext renderContext, CommandBuffer cmd)
{
base.Setup(renderContext, cmd);
Debug.Assert(m_InstanceSegmentationCrossPipelinePass != null, "InstanceSegmentationPass.EnsureInit() should be called before the first camera render to get proper object labels in the first frame");
EnsureInit();
}
}
}
#endif