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using UnityEngine;
using UnityEngine.Rendering;
using UnityEngine.Rendering.Universal;
namespace FlatKit;
public class FlatKitOutline : ScriptableRendererFeature
{
[Tooltip("To create new settings use 'Create > FlatKit > Outline Settings'.")]
public OutlineSettings settings;
[SerializeField]
[HideInInspector]
private Material _effectMaterial;
private BlitTexturePass _blitTexturePass;
private static readonly string OutlineShaderName = "Hidden/FlatKit/OutlineFilter";
private static readonly int EdgeColor = Shader.PropertyToID("_EdgeColor");
private static readonly int Thickness = Shader.PropertyToID("_Thickness");
private static readonly int DepthThresholdMin = Shader.PropertyToID("_DepthThresholdMin");
private static readonly int DepthThresholdMax = Shader.PropertyToID("_DepthThresholdMax");
private static readonly int NormalThresholdMin = Shader.PropertyToID("_NormalThresholdMin");
private static readonly int NormalThresholdMax = Shader.PropertyToID("_NormalThresholdMax");
private static readonly int ColorThresholdMin = Shader.PropertyToID("_ColorThresholdMin");
private static readonly int ColorThresholdMax = Shader.PropertyToID("_ColorThresholdMax");
public override void Create()
{
if (settings == null)
{
Debug.LogWarning("[FlatKit] Missing Outline Settings");
}
else if (_blitTexturePass == null)
{
_blitTexturePass = new BlitTexturePass
{
renderPassEvent = settings.renderEvent
};
}
}
public override void AddRenderPasses(ScriptableRenderer renderer, ref RenderingData renderingData)
{
if (settings == null)
{
Debug.LogWarning("[FlatKit] Missing Outline Settings");
}
else if (CreateMaterials())
{
SetMaterialProperties();
_blitTexturePass.Setup(_effectMaterial, settings.useDepth, settings.useNormals, useColor: true);
renderer.EnqueuePass(_blitTexturePass);
}
}
protected override void Dispose(bool disposing)
{
CoreUtils.Destroy(_effectMaterial);
}
private bool CreateMaterials()
{
if (_effectMaterial == null)
{
Shader shader = Shader.Find(OutlineShaderName);
Shader shader2 = Shader.Find(BlitTexturePass.CopyEffectShaderName);
if (shader == null || shader2 == null)
{
return false;
}
_effectMaterial = CoreUtils.CreateEngineMaterial(shader);
}
return true;
}
private void SetMaterialProperties()
{
if (!(_effectMaterial == null))
{
if (settings.useDepth)
{
_effectMaterial.EnableKeyword("OUTLINE_USE_DEPTH");
}
else
{
_effectMaterial.DisableKeyword("OUTLINE_USE_DEPTH");
}
if (settings.useNormals)
{
_effectMaterial.EnableKeyword("OUTLINE_USE_NORMALS");
}
else
{
_effectMaterial.DisableKeyword("OUTLINE_USE_NORMALS");
}
if (settings.useColor)
{
_effectMaterial.EnableKeyword("OUTLINE_USE_COLOR");
}
else
{
_effectMaterial.DisableKeyword("OUTLINE_USE_COLOR");
}
if (settings.outlineOnly)
{
_effectMaterial.EnableKeyword("OUTLINE_ONLY");
}
else
{
_effectMaterial.DisableKeyword("OUTLINE_ONLY");
}
if (settings.resolutionInvariant)
{
_effectMaterial.EnableKeyword("RESOLUTION_INVARIANT_THICKNESS");
}
else
{
_effectMaterial.DisableKeyword("RESOLUTION_INVARIANT_THICKNESS");
}
_effectMaterial.SetColor(EdgeColor, settings.edgeColor);
_effectMaterial.SetFloat(Thickness, settings.thickness);
_effectMaterial.SetFloat(DepthThresholdMin, settings.minDepthThreshold);
_effectMaterial.SetFloat(DepthThresholdMax, settings.maxDepthThreshold);
_effectMaterial.SetFloat(NormalThresholdMin, settings.minNormalsThreshold);
_effectMaterial.SetFloat(NormalThresholdMax, settings.maxNormalsThreshold);
_effectMaterial.SetFloat(ColorThresholdMin, settings.minColorThreshold);
_effectMaterial.SetFloat(ColorThresholdMax, settings.maxColorThreshold);
}
}
}
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