0749c2fbe7
- Added writing distances in buffer in RenderDepth.shader - Added reading distances directly from render pass in DepthRenderPassFeature.cs - Added example depth reading in DepthTester.cs
52 lines
1.7 KiB
Plaintext
52 lines
1.7 KiB
Plaintext
Shader "Hidden/RenderDepth"
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{
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Properties
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{
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_MainTex ("Texture", 2D) = "white" {}
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}
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SubShader
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{
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Tags{ "RenderType" = "Opaque" "RenderPipeline" = "UniversalPipeline"}
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// No culling or depth
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Cull Off ZWrite Off ZTest Always
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Pass
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{
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HLSLPROGRAM
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#pragma target 5.0
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#pragma vertex Vert
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#pragma fragment frag
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#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
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#include "Packages/com.unity.render-pipelines.core/Runtime/Utilities/Blit.hlsl"
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#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/DeclareOpaqueTexture.hlsl"
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#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/DeclareDepthTexture.hlsl"
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sampler2D _MainTex;
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RWStructuredBuffer<float> distBuffer : register(u1);
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int res;
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bool _RenderDepth;
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float4 frag (Varyings i) : SV_Target
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{
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uint2 pixelIdx = uint2(i.positionCS.xy);
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float3 color = SampleSceneColor(i.texcoord);
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#if UNITY_REVERSED_Z
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real depth = SampleSceneDepth(i.texcoord);
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#else
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// Adjust z to match NDC for OpenGL
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real depth = lerp(UNITY_NEAR_CLIP_VALUE, 1, SampleSceneDepth(i.texcoord));
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#endif
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depth = Linear01Depth(depth, _ZBufferParams);
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distBuffer[pixelIdx.y * (uint)_ScaledScreenParams.x + pixelIdx.x] = depth * _ProjectionParams.z;
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return _RenderDepth ? float4(depth, depth, depth, 1) : float4(color, 1);
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}
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ENDHLSL
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}
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}
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}
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