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127 lines
3.8 KiB
127 lines
3.8 KiB
Shader "Renderers/Thickness"
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{
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HLSLINCLUDE
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#pragma target 4.5
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#pragma only_renderers d3d11 playstation xboxone xboxseries vulkan metal switch
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//enable GPU instancing support
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#pragma multi_compile_instancing
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#pragma multi_compile _ DOTS_INSTANCING_ON
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#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/RenderPass/CustomPass/CustomPassRenderersV2.hlsl"
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#if SHADERPASS != SHADERPASS_FORWARD_UNLIT
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#error SHADERPASS_is_not_correctly_define
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#endif
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/ShaderPass/VertMesh.hlsl"
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PackedVaryingsType Vert(AttributesMesh inputMesh)
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{
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VaryingsType varyingsType;
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varyingsType.vmesh = VertMesh(inputMesh);
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return PackVaryingsType(varyingsType);
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}
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Debug/DebugDisplayMaterial.hlsl"
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ENDHLSL
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SubShader
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{
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Tags{ "RenderPipeline" = "HDRenderPipeline" }
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Pass
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{
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Name "ComputeThicknessOpaque"
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Tags { "LightMode" = "Forward" }
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ZWrite Off
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ZTest Always
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Cull Off
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Blend One One
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BlendOp Add
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HLSLPROGRAM
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float _DownsizeScale;
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uint _ViewId;
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void Frag(PackedVaryingsToPS packedInput, bool isFrontFace : SV_IsFrontFace, out float2 outColor : SV_Target0 )
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{
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UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(packedInput);
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#ifdef UNITY_STEREO_INSTANCING_ENABLED
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// Work around to discard undesired pixel for XR to bypass de default dispatch
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if (unity_StereoEyeIndex != _ViewId)
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discard;
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#endif
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FragInputs input = UnpackVaryingsToFragInputs(packedInput);
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float usedDepth = LinearEyeDepth(input.positionSS.z, _ZBufferParams);
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float sign = isFrontFace ? -1.0f : 1.0f;
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float value = sign * usedDepth;
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outColor = float2(value, 1.0f);
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}
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#pragma vertex Vert
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#pragma fragment Frag
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ENDHLSL
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}
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Tags{ "RenderPipeline" = "HDRenderPipeline" }
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Pass
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{
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Name "ComputeThicknessTransparent"
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Tags { "LightMode" = "Forward" }
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ZWrite Off
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ZTest Always
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Cull Off
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Blend One One
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BlendOp Add
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HLSLPROGRAM
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Debug/DebugDisplayMaterial.hlsl"
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float _DownsizeScale;
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uint _ViewId;
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void Frag(PackedVaryingsToPS packedInput, bool isFrontFace : SV_IsFrontFace, out float2 outColor : SV_Target0 )
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{
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UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(packedInput);
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#ifdef UNITY_STEREO_INSTANCING_ENABLED
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// Work around to discard undesired pixel for XR to bypass de default dispatch
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if (unity_StereoEyeIndex != _ViewId)
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discard;
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#endif
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FragInputs input = UnpackVaryingsToFragInputs(packedInput);
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float usedDepth = LinearEyeDepth(input.positionSS.z, _ZBufferParams);
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float sceneDeviceDepth = LoadCameraDepth(round(_DownsizeScale * input.positionSS.xy));
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float sceneLinearDepth = LinearEyeDepth(sceneDeviceDepth, _ZBufferParams);
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usedDepth = min(usedDepth, sceneLinearDepth);
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float sign = isFrontFace ? -1.0f : 1.0f;
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float value = sign * usedDepth;
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outColor = float2(value, 1.0f);
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}
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#pragma vertex Vert
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#pragma fragment Frag
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ENDHLSL
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}
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}
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}
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