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klab-kanetaklab-kaneta
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Divide files by pass
1 parent c115442 commit 6477c14

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‎Assets/Raymarching/Shaders/Common.meta‎

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‎Assets/Raymarching/Shaders/Common/GBufferPass.hlsl‎

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#if SHADERPASS != SHADERPASS_GBUFFER
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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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#ifdef TESSELLATION_ON
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PackedVaryingsToPS VertTesselation(VaryingsToDS input)
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{
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VaryingsToPS output;
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output.vmesh = VertMeshTesselation(input.vmesh);
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return PackVaryingsToPS(output);
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}
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/ShaderPass/TessellationShare.hlsl"
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#endif // TESSELLATION_ON
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#define _DEPTHOFFSET_ON
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void Frag( PackedVaryingsToPS packedInput,
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OUTPUT_GBUFFER(outGBuffer)
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#ifdef _DEPTHOFFSET_ON
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, out float outputDepth : SV_Depth
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#endif
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)
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{
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UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(packedInput);
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FragInputs input = UnpackVaryingsMeshToFragInputs(packedInput.vmesh);
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// input.positionSS is SV_Position
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PositionInputs posInput = GetPositionInput(input.positionSS.xy, _ScreenSize.zw, input.positionSS.z, input.positionSS.w, input.positionRWS);
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#ifdef VARYINGS_NEED_POSITION_WS
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float3 V = GetWorldSpaceNormalizeViewDir(input.positionRWS);
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#else
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// Unused
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float3 V = float3(1.0, 1.0, 1.0); // Avoid the division by 0
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#endif
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float3 ray = normalize(input.positionRWS);
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float3 pos = float3(0.0, 0.0, 0.0);
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DistanceFunctionSurfaceData surface = Trace(pos, ray, GBUFFER_MARCHING_ITERATION);
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SurfaceData surfaceData;
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BuiltinData builtinData;
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ToHDRPSurfaceAndBuiltinData(input, V, posInput, surface, surfaceData, builtinData);
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float depth = WorldPosToDeviceDepth(surface.Position);
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ENCODE_INTO_GBUFFER(surfaceData, builtinData, posInput.positionSS, outGBuffer);
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#ifdef _DEPTHOFFSET_ON
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outputDepth = depth;
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#endif
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}

‎Assets/Raymarching/Shaders/Common/GBufferPass.hlsl.meta‎

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Some generated files are not rendered by default. Learn more about customizing how changed files appear on GitHub.

‎Assets/Raymarching/Shaders/Common/MotionVectorsPass.hlsl‎

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#if SHADERPASS != SHADERPASS_MOTION_VECTORS
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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/MotionVectorVertexShaderCommon.hlsl"
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PackedVaryingsType Vert(AttributesMesh inputMesh,
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AttributesPass inputPass)
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{
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VaryingsType varyingsType;
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varyingsType.vmesh = VertMesh(inputMesh);
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return MotionVectorVS(varyingsType, inputMesh, inputPass);
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}
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#ifdef TESSELLATION_ON
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PackedVaryingsToPS VertTesselation(VaryingsToDS input)
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{
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VaryingsToPS output;
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output.vmesh = VertMeshTesselation(input.vmesh);
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MotionVectorPositionZBias(output);
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output.vpass.positionCS = input.vpass.positionCS;
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output.vpass.previousPositionCS = input.vpass.previousPositionCS;
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return PackVaryingsToPS(output);
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}
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/ShaderPass/TessellationShare.hlsl"
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#endif // TESSELLATION_ON
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#define _DEPTHOFFSET_ON
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void Frag( PackedVaryingsToPS packedInput
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// The motion vector is always the first buffer
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, out float4 outMotionVector : SV_Target0
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// Write the normal buffer
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#ifdef WRITE_NORMAL_BUFFER
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, out float4 outNormalBuffer : SV_Target1
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// Output the depth as a color if required
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#ifdef WRITE_MSAA_DEPTH
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, out float1 depthColor : SV_Target2
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#endif
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#elif defined(WRITE_MSAA_DEPTH) // When only WRITE_MSAA_DEPTH is define and not WRITE_NORMAL_BUFFER it mean we are Unlit and only need depth, but we still have normal buffer binded
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, out float4 outNormalBuffer : SV_Target1
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, out float1 depthColor : SV_Target2
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#endif
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#ifdef _DEPTHOFFSET_ON
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, out float outputDepth : SV_Depth
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#endif
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)
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{
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FragInputs input = UnpackVaryingsMeshToFragInputs(packedInput.vmesh);
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// input.positionSS is SV_Position
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PositionInputs posInput = GetPositionInput(input.positionSS.xy, _ScreenSize.zw, input.positionSS.z, input.positionSS.w, input.positionRWS);
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#ifdef VARYINGS_NEED_POSITION_WS
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float3 V = GetWorldSpaceNormalizeViewDir(input.positionRWS);
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#else
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// Unused
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float3 V = float3(1.0, 1.0, 1.0); // Avoid the division by 0
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#endif
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float3 ray = normalize(input.positionRWS);
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float3 pos = float3(0.0, 0.0, 0.0);
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float t = TraceDepth(pos, ray, MOTIONVECTORS_MARCHING_ITERATION);
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pos = pos + ray * t;
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float depth = WorldPosToDeviceDepth(pos);
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VaryingsPassToPS inputPass = UnpackVaryingsPassToPS(packedInput.vpass);
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inputPass.positionCS = TransformWorldToHClip(pos);
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float3 prevPosRWS = TransformPreviousObjectToWorld(TransformWorldToObject(pos));
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inputPass.previousPositionCS = mul(UNITY_MATRIX_PREV_VP, float4(prevPosRWS, 1.0));
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// TODO: How to allow overriden motion vector from GetSurfaceAndBuiltinData ?
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float2 motionVector = CalculateMotionVector(inputPass.positionCS, inputPass.previousPositionCS);
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// Convert from Clip space (-1..1) to NDC 0..1 space.
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// Note it doesn't mean we don't have negative value, we store negative or positive offset in NDC space.
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// Note: ((positionCS * 0.5 + 0.5) - (previousPositionCS * 0.5 + 0.5)) = (motionVector * 0.5)
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EncodeMotionVector(motionVector * 0.5, outMotionVector);
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// Note: unity_MotionVectorsParams.y is 0 is forceNoMotion is enabled
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bool forceNoMotion = unity_MotionVectorsParams.y == 0.0;
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// Setting the motionVector to a value more than 2 set as a flag for "force no motion". This is valid because, given that the velocities are in NDC,
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// a value of >1 can never happen naturally, unless explicitely set.
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if (forceNoMotion)
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outMotionVector = float4(2.0, 0.0, 0.0, 0.0);
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// Normal Buffer Processing
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#ifdef WRITE_NORMAL_BUFFER
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EncodeIntoNormalBuffer(ConvertSurfaceDataToNormalData(surfaceData), posInput.positionSS, outNormalBuffer);
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#ifdef WRITE_MSAA_DEPTH
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// In case we are rendering in MSAA, reading the an MSAA depth buffer is way too expensive. To avoid that, we export the depth to a color buffer
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depthColor = depth;
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#endif
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#elif defined(WRITE_MSAA_DEPTH) // When we are MSAA depth only without normal buffer
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// Due to the binding order of these three render targets, we need to have them both declared
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outNormalBuffer = float4(0.0, 0.0, 0.0, 1.0);
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// In case we are rendering in MSAA, reading the an MSAA depth buffer is way too expensive. To avoid that, we export the depth to a color buffer
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depthColor = depth;
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#endif
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#ifdef _DEPTHOFFSET_ON
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outputDepth = depth;
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#endif
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}

‎Assets/Raymarching/Shaders/Common/MotionVectorsPass.hlsl.meta‎

Lines changed: 9 additions & 0 deletions
Some generated files are not rendered by default. Learn more about customizing how changed files appear on GitHub.

Assets/Raymarching/Shaders/RaymarchingUtility.hlsl renamed to Assets/Raymarching/Shaders/Common/RaymarchingUtility.hlsl

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#define PI 3.141592
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#define PI2 (PI*2.0)
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#define mod(x, y) ((x) - (y) * floor((x) / (y)))
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Assets/Raymarching/Shaders/RaymarchingUtility.hlsl.meta renamed to Assets/Raymarching/Shaders/Common/RaymarchingUtility.hlsl.meta

File renamed without changes.

‎Assets/Raymarching/Shaders/Common/ShadowCasterPass.hlsl‎

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#if (SHADERPASS != SHADERPASS_DEPTH_ONLY && SHADERPASS != SHADERPASS_SHADOWS)
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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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varyingsType.vmesh.positionCS.z = 0.0;
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return PackVaryingsType(varyingsType);
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}
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#ifdef TESSELLATION_ON
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PackedVaryingsToPS VertTesselation(VaryingsToDS input)
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{
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VaryingsToPS output;
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output.vmesh = VertMeshTesselation(input.vmesh);
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return PackVaryingsToPS(output);
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}
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/ShaderPass/TessellationShare.hlsl"
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#endif // TESSELLATION_ON
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#define _DEPTHOFFSET_ON
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void Frag( PackedVaryingsToPS packedInput
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#ifdef WRITE_NORMAL_BUFFER
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, out float4 outNormalBuffer : SV_Target0
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#ifdef WRITE_MSAA_DEPTH
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, out float1 depthColor : SV_Target1
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#endif
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#elif defined(WRITE_MSAA_DEPTH) // When only WRITE_MSAA_DEPTH is define and not WRITE_NORMAL_BUFFER it mean we are Unlit and only need depth, but we still have normal buffer binded
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, out float4 outNormalBuffer : SV_Target0
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, out float1 depthColor : SV_Target1
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#elif defined(SCENESELECTIONPASS)
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, out float4 outColor : SV_Target0
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#endif
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#ifdef _DEPTHOFFSET_ON
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, out float outputDepth : SV_Depth
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#endif
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)
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{
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UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(packedInput);
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FragInputs input = UnpackVaryingsMeshToFragInputs(packedInput.vmesh);
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// input.positionSS is SV_Position
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PositionInputs posInput = GetPositionInput(input.positionSS.xy, _ScreenSize.zw, input.positionSS.z, input.positionSS.w, input.positionRWS);
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#ifdef VARYINGS_NEED_POSITION_WS
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float3 V = GetWorldSpaceNormalizeViewDir(input.positionRWS);
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#else
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// Unused
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float3 V = float3(1.0, 1.0, 1.0); // Avoid the division by 0
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#endif
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float3 pos = GetShadowRayOrigin(input.positionRWS);
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float3 ray = -V;
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float t = TraceDepth(pos, ray, SHADOWCASTER_MARCHING_ITERATION);
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float depth = WorldPosToDeviceDepth(pos + ray * t);
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#ifdef _DEPTHOFFSET_ON
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outputDepth = depth;
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#endif
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#ifdef WRITE_NORMAL_BUFFER
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EncodeIntoNormalBuffer(ConvertSurfaceDataToNormalData(surfaceData), posInput.positionSS, outNormalBuffer);
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#ifdef WRITE_MSAA_DEPTH
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// In case we are rendering in MSAA, reading the an MSAA depth buffer is way too expensive. To avoid that, we export the depth to a color buffer
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depthColor = depth;
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#endif
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#elif defined(WRITE_MSAA_DEPTH) // When we are MSAA depth only without normal buffer
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// Due to the binding order of these two render targets, we need to have them both declared
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outNormalBuffer = float4(0.0, 0.0, 0.0, 1.0);
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// In case we are rendering in MSAA, reading the an MSAA depth buffer is way too expensive. To avoid that, we export the depth to a color buffer
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depthColor = depth;
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#elif defined(SCENESELECTIONPASS)
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// We use depth prepass for scene selection in the editor, this code allow to output the outline correctly
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outColor = float4(_ObjectId, _PassValue, 1.0, 1.0);
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#endif
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}

‎Assets/Raymarching/Shaders/Common/ShadowCasterPass.hlsl.meta‎

Lines changed: 9 additions & 0 deletions
Some generated files are not rendered by default. Learn more about customizing how changed files appear on GitHub.

‎Assets/Raymarching/Shaders/Field/DF.hlsl‎

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#define GBUFFER_MARCHING_ITERATION 300
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#define SHADOWCASTER_MARCHING_ITERATION 99
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#define MOTIONVECTORS_MARCHING_ITERATION 99
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// https://gam0022.net/blog/2019/06/25/unity-raymarching/
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float dMenger(float3 z0, float3 offset, float scale) {
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float4 z = float4(z0, 1.0);

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