Thorbjoern
85 lines
3.3 KiB
C#
85 lines
3.3 KiB
C#
using UnityEngine;
|
|
using UnityEngine.Rendering;
|
|
using UnityEngine.Rendering.Universal;
|
|
using UnityEngine.Rendering.RenderGraphModule;
|
|
|
|
// Render Feature, das den Sichtkegel mit fovealem und peripherem Bereich darstellt und pro Kamera aktiviert werden kann.
|
|
public class GazeOverlayRendererFeature : ScriptableRendererFeature
|
|
{
|
|
public sealed class GazeRenderPass : ScriptableRenderPass
|
|
{
|
|
internal Vector3 gazeOrigin;
|
|
internal Vector3 gazeDirection;
|
|
internal float foveaHalfRad = Mathf.Deg2Rad * 2.5f; // für 5° fovealer Bereich
|
|
internal float periHalfRad = Mathf.Deg2Rad * 10f; // für 20° peripheren Bereich
|
|
|
|
static readonly int gazeOriginID = Shader.PropertyToID("_GazeOrigin");
|
|
static readonly int gazeDirectionID = Shader.PropertyToID("_GazeDirection");
|
|
static readonly int foveaHalfRadID = Shader.PropertyToID("_FoveaAngle");
|
|
static readonly int periHalfRadID = Shader.PropertyToID("_PeriAngle");
|
|
|
|
readonly Material gazeMaterial;
|
|
|
|
public GazeRenderPass(Material material) => gazeMaterial = material;
|
|
|
|
public override void RecordRenderGraph(RenderGraph renderGraph, ContextContainer frameData)
|
|
{
|
|
Debug.Log("RecordRenderGraph");
|
|
var resourceData = frameData.Get<UniversalResourceData>();
|
|
TextureHandle depth = resourceData.activeDepthTexture;
|
|
TextureHandle color = resourceData.activeColorTexture;
|
|
|
|
using var builder = renderGraph.AddRasterRenderPass<PassData>("GazeOverlay", out var passData);
|
|
|
|
passData.depth = depth;
|
|
passData.color = color;
|
|
passData.gazeMaterial = gazeMaterial;
|
|
passData.gazeOrigin = gazeOrigin;
|
|
passData.gazeDirection = gazeDirection;
|
|
passData.foveaHalfRad = foveaHalfRad;
|
|
passData.periHalfRad = periHalfRad;
|
|
|
|
builder.UseTexture(depth, AccessFlags.Read);
|
|
builder.UseTexture(color, AccessFlags.ReadWrite);
|
|
builder.SetRenderAttachment(color, 0);
|
|
|
|
builder.SetRenderFunc((PassData data, RasterGraphContext ctx) =>
|
|
{
|
|
ctx.cmd.ClearRenderTarget(RTClearFlags.Color, new Color(1, 0, 1, 1), 1.0f, 0);
|
|
//ctx.cmd.SetGlobalVector(gazeOriginID, data.gazeOrigin);
|
|
//ctx.cmd.SetGlobalVector(gazeDirectionID, data.gazeDirection);
|
|
//ctx.cmd.SetGlobalFloat(foveaHalfRadID, data.foveaHalfRad);
|
|
//ctx.cmd.SetGlobalFloat(periHalfRadID, data.periHalfRad);
|
|
|
|
//Blitter.BlitTexture(ctx.cmd, data.depth, new Vector4(1, 1, 0, 0),
|
|
//data.gazeMaterial, 0);
|
|
});
|
|
}
|
|
|
|
class PassData
|
|
{
|
|
internal TextureHandle depth;
|
|
internal TextureHandle color;
|
|
internal Material gazeMaterial;
|
|
internal Vector3 gazeOrigin, gazeDirection;
|
|
internal float foveaHalfRad, periHalfRad;
|
|
}
|
|
}
|
|
|
|
[SerializeField] Material gazeOverlayMaterial;
|
|
GazeRenderPass pass;
|
|
|
|
public GazeRenderPass GetPass() { return pass; }
|
|
|
|
public override void Create()
|
|
{
|
|
pass = new GazeRenderPass(gazeOverlayMaterial);
|
|
Debug.Log("Feature created");
|
|
}
|
|
|
|
public override void AddRenderPasses(ScriptableRenderer renderer, ref RenderingData renderingData)
|
|
{
|
|
renderer.EnqueuePass(pass);
|
|
}
|
|
}
|