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88 lines
2.6 KiB
88 lines
2.6 KiB
using UnityEngine.Scripting.APIUpdating; |
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namespace UnityEngine.Rendering.Universal |
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{ |
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// RenderTargetHandle can be thought of as a kind of ShaderProperty string hash |
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public struct RenderTargetHandle |
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{ |
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public int id { set; get; } |
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private RenderTargetIdentifier rtid { set; get; } |
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public static readonly RenderTargetHandle CameraTarget = new RenderTargetHandle { id = -1 }; |
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public RenderTargetHandle(RenderTargetIdentifier renderTargetIdentifier) |
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{ |
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id = -2; |
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rtid = renderTargetIdentifier; |
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} |
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internal static RenderTargetHandle GetCameraTarget(XRPass xr) |
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{ |
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#if ENABLE_VR && ENABLE_XR_MODULE |
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if (xr.enabled) |
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return new RenderTargetHandle(xr.renderTarget); |
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#endif |
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return CameraTarget; |
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} |
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public void Init(string shaderProperty) |
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{ |
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// Shader.PropertyToID returns what is internally referred to as a "ShaderLab::FastPropertyName". |
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// It is a value coming from an internal global std::map<char*,int> that converts shader property strings into unique integer handles (that are faster to work with). |
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id = Shader.PropertyToID(shaderProperty); |
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} |
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public void Init(RenderTargetIdentifier renderTargetIdentifier) |
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{ |
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id = -2; |
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rtid = renderTargetIdentifier; |
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} |
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public RenderTargetIdentifier Identifier() |
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{ |
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if (id == -1) |
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{ |
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return BuiltinRenderTextureType.CameraTarget; |
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} |
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if (id == -2) |
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{ |
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return rtid; |
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} |
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return new RenderTargetIdentifier(id, 0, CubemapFace.Unknown, -1); |
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} |
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public bool HasInternalRenderTargetId() |
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{ |
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return id == -2; |
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} |
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public bool Equals(RenderTargetHandle other) |
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{ |
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if (id == -2 || other.id == -2) |
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return Identifier() == other.Identifier(); |
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return id == other.id; |
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} |
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public override bool Equals(object obj) |
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{ |
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if (ReferenceEquals(null, obj)) return false; |
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return obj is RenderTargetHandle && Equals((RenderTargetHandle)obj); |
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} |
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public override int GetHashCode() |
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{ |
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return id; |
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} |
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public static bool operator ==(RenderTargetHandle c1, RenderTargetHandle c2) |
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{ |
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return c1.Equals(c2); |
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} |
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public static bool operator !=(RenderTargetHandle c1, RenderTargetHandle c2) |
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{ |
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return !c1.Equals(c2); |
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} |
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} |
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}
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