42 lines
1.3 KiB
HLSL
42 lines
1.3 KiB
HLSL
#ifndef GET_SCENE_NORMAL
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#define GET_SCENE_NORMAL
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#if !defined(SHADERGRAPH_PREVIEW)
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#if defined(UNIVERSAL_PIPELINE_CORE_INCLUDED) //URP
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#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/DeclareNormalsTexture.hlsl"
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void GetSceneNormal_float(float2 ScreenPos, out float3 WorldNormal)
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{
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WorldNormal = SampleSceneNormals(ScreenPos);
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}
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void GetSceneNormal_half(float2 ScreenPos, out float3 WorldNormal)
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{
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WorldNormal = SampleSceneNormals(ScreenPos);
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}
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#else //HDRP
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/NormalBuffer.hlsl"
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void GetSceneNormal_float(float2 ScreenPos, out float3 WorldNormal)
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{
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uint2 positionSS = ScreenPos * _ScreenSize.xy;
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NormalData normalData;
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DecodeFromNormalBuffer(positionSS, normalData);
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WorldNormal = normalData.normalWS;
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}
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#endif
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#else
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void GetSceneNormal_float(float2 ScreenPos, UnityTexture2D _CameraNormalsTexture, out float3 WorldNormal)
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{
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WorldNormal = float3(0,1,0);
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}
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void GetSceneNormal_half(float2 ScreenPos, UnityTexture2D _CameraNormalsTexture, out float3 WorldNormal)
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{
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WorldNormal = float3(0,1,0);
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}
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#endif
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#endif
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