100 lines
2.9 KiB
Plaintext
100 lines
2.9 KiB
Plaintext
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Shader "Hidden/DownsampleDepth"
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{
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SubShader
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{
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Tags
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{
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"RenderPipeline" = "UniversalPipeline"
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}
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Pass
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{
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Name "DownsampleDepth"
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ZTest Always
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ZWrite Off
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Cull Off
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Blend Off
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ColorMask R
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HLSLPROGRAM
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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/DeclareDepthTexture.hlsl"
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#pragma target 4.5
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#pragma editor_sync_compilation
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#pragma vertex Vert
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#pragma fragment Frag
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float Frag(Varyings input) : SV_Target
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{
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UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(input);
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float4 depths = GATHER_RED_TEXTURE2D_X(_CameraDepthTexture, sampler_CameraDepthTexture, input.texcoord);
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float minDepth = Min3(depths.x, depths.y, min(depths.z, depths.w));
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float maxDepth = Max3(depths.x, depths.y, max(depths.z, depths.w));
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return (uint(input.positionCS.x + input.positionCS.y) & 1) > 0 ? minDepth : maxDepth;
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}
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ENDHLSL
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}
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}
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SubShader
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{
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Tags
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{
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"RenderPipeline" = "UniversalPipeline"
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}
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Pass
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{
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Name "DownsampleDepth"
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ZTest Always
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ZWrite Off
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Cull Off
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Blend Off
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ColorMask R
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HLSLPROGRAM
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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/DeclareDepthTexture.hlsl"
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#pragma editor_sync_compilation
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#pragma vertex Vert
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#pragma fragment Frag
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float Frag(Varyings input) : SV_Target
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{
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UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(input);
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float4 depths;
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uint2 fullResTopLeftCorner = uint2(input.positionCS.xy * 2.0);
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depths.x = LoadSceneDepth(fullResTopLeftCorner + uint2(0, 1));
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depths.y = LoadSceneDepth(fullResTopLeftCorner + uint2(1, 1));
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depths.z = LoadSceneDepth(fullResTopLeftCorner + uint2(1, 0));
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depths.w = LoadSceneDepth(fullResTopLeftCorner);
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float minDepth = Min3(depths.x, depths.y, min(depths.z, depths.w));
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float maxDepth = Max3(depths.x, depths.y, max(depths.z, depths.w));
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return (uint(input.positionCS.x + input.positionCS.y) & 1) > 0 ? minDepth : maxDepth;
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}
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ENDHLSL
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}
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}
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Fallback Off
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}
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