240 lines
8.0 KiB
HLSL
240 lines
8.0 KiB
HLSL
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#ifndef UNIVERSAL_INPUT_INCLUDED
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#define UNIVERSAL_INPUT_INCLUDED
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// URP package specific shader input variables and defines.
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// Unity Engine specific built-in shader input variables are defined in .universal/ShaderLibrary/UnityInput.hlsl
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#include "Packages/com.unity.render-pipelines.universal-config/Runtime/ShaderConfig.cs.hlsl"
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#define MAX_VISIBLE_LIGHTS_UBO 32
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#define MAX_VISIBLE_LIGHTS_SSBO 256
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// Keep in sync with RenderingUtils.useStructuredBuffer
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#define USE_STRUCTURED_BUFFER_FOR_LIGHT_DATA 0
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#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/ShaderTypes.cs.hlsl"
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#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Deprecated.hlsl"
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// Must match: UniversalRenderPipeline.maxVisibleAdditionalLights
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#if defined(SHADER_API_MOBILE) && defined(SHADER_API_GLES30)
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#define MAX_VISIBLE_LIGHTS MAX_VISIBLE_LIGHT_COUNT_LOW_END_MOBILE
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// WebGPU's minimal limits are based on mobile rather than desktop, so it will need to assume mobile.
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#elif defined(SHADER_API_MOBILE) || (defined(SHADER_API_GLCORE) && !defined(SHADER_API_SWITCH)) || defined(SHADER_API_GLES3) || defined(SHADER_API_WEBGPU) // Workaround because SHADER_API_GLCORE is also defined when SHADER_API_SWITCH is
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#define MAX_VISIBLE_LIGHTS MAX_VISIBLE_LIGHT_COUNT_MOBILE
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#else
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#define MAX_VISIBLE_LIGHTS MAX_VISIBLE_LIGHT_COUNT_DESKTOP
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#endif
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// Match with values in UniversalRenderPipeline.cs
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#define MAX_ZBIN_VEC4S 1024
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#if MAX_VISIBLE_LIGHTS <= 16
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#define MAX_LIGHTS_PER_TILE 32
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#define MAX_TILE_VEC4S 1024
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#define MAX_REFLECTION_PROBES 16
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#elif MAX_VISIBLE_LIGHTS <= 32
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#define MAX_LIGHTS_PER_TILE 32
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#define MAX_TILE_VEC4S 1024
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#define MAX_REFLECTION_PROBES 32
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#else
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#define MAX_LIGHTS_PER_TILE MAX_VISIBLE_LIGHTS
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#define MAX_TILE_VEC4S 4096
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#define MAX_REFLECTION_PROBES 64
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#endif
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struct InputData
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{
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float3 positionWS;
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float4 positionCS;
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float3 normalWS;
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half3 viewDirectionWS;
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float4 shadowCoord;
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half fogCoord;
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half3 vertexLighting;
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half3 bakedGI;
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float2 normalizedScreenSpaceUV;
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half4 shadowMask;
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half3x3 tangentToWorld;
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#if defined(DEBUG_DISPLAY)
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half2 dynamicLightmapUV;
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half2 staticLightmapUV;
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float3 vertexSH;
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half3 brdfDiffuse;
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half3 brdfSpecular;
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// Mipmap Streaming Debug
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float2 uv;
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uint mipCount;
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// texelSize :
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// x = 1 / width
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// y = 1 / height
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// z = width
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// w = height
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float4 texelSize;
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// mipInfo :
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// x = quality settings minStreamingMipLevel
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// y = original mip count for texture
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// z = desired on screen mip level
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// w = loaded mip level
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float4 mipInfo;
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// streamInfo :
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// x = streaming priority
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// y = time stamp of the latest texture upload
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// z = streaming status
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// w = 0
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float4 streamInfo;
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float3 originalColor;
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float4 probeOcclusion;
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#endif
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};
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///////////////////////////////////////////////////////////////////////////////
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// Constant Buffers //
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///////////////////////////////////////////////////////////////////////////////
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half4 _GlossyEnvironmentColor;
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half4 _SubtractiveShadowColor;
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half4 _GlossyEnvironmentCubeMap_HDR;
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TEXTURECUBE(_GlossyEnvironmentCubeMap);
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SAMPLER(sampler_GlossyEnvironmentCubeMap);
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#define _InvCameraViewProj unity_MatrixInvVP
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float4 _ScaledScreenParams;
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// x = Mip Bias
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// y = 2.0 ^ [Mip Bias]
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float2 _GlobalMipBias;
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// 1.0 if it's possible for AlphaToMask to be enabled for this draw and 0.0 otherwise
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float _AlphaToMaskAvailable;
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float4 _MainLightPosition;
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// In Forward+, .a stores whether the main light is using subtractive mixed mode.
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half4 _MainLightColor;
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half4 _MainLightOcclusionProbes;
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uint _MainLightLayerMask;
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// x: SSAO Enabled/Disabled (Needed for situations when OFF keyword is stripped out but feature disabled in runtime)
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// yz are currently unused
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// w: directLightStrength
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half4 _AmbientOcclusionParam;
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half4 _AdditionalLightsCount;
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uint _RenderingLayerMaxInt;
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float _RenderingLayerRcpMaxInt;
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// Screen coord override.
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float4 _ScreenCoordScaleBias;
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float4 _ScreenSizeOverride;
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uint _EnableProbeVolumes;
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#if USE_FORWARD_PLUS
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float4 _FPParams0;
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float4 _FPParams1;
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float4 _FPParams2;
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#define URP_FP_ZBIN_SCALE (_FPParams0.x)
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#define URP_FP_ZBIN_OFFSET (_FPParams0.y)
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#define URP_FP_PROBES_BEGIN ((uint)_FPParams0.z)
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// Directional lights would be in all clusters, so they don't go into the cluster structure.
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// Instead, they are stored first in the light buffer.
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#define URP_FP_DIRECTIONAL_LIGHTS_COUNT ((uint)_FPParams0.w)
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// Scale from screen-space UV [0, 1] to tile coordinates [0, tile resolution].
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#define URP_FP_TILE_SCALE ((float2)_FPParams1.xy)
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#define URP_FP_TILE_COUNT_X ((uint)_FPParams1.z)
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#define URP_FP_WORDS_PER_TILE ((uint)_FPParams1.w)
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#define URP_FP_ZBIN_COUNT ((uint)_FPParams2.x)
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#define URP_FP_TILE_COUNT ((uint)_FPParams2.y)
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#endif
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#if USE_STRUCTURED_BUFFER_FOR_LIGHT_DATA
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StructuredBuffer<LightData> _AdditionalLightsBuffer;
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StructuredBuffer<int> _AdditionalLightsIndices;
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#else
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// GLES3 causes a performance regression in some devices when using CBUFFER.
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#ifndef SHADER_API_GLES3
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CBUFFER_START(AdditionalLights)
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#endif
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float4 _AdditionalLightsPosition[MAX_VISIBLE_LIGHTS];
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// In Forward+, .a stores whether the light is using subtractive mixed mode.
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half4 _AdditionalLightsColor[MAX_VISIBLE_LIGHTS];
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half4 _AdditionalLightsAttenuation[MAX_VISIBLE_LIGHTS];
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half4 _AdditionalLightsSpotDir[MAX_VISIBLE_LIGHTS];
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half4 _AdditionalLightsOcclusionProbes[MAX_VISIBLE_LIGHTS];
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float _AdditionalLightsLayerMasks[MAX_VISIBLE_LIGHTS]; // we want uint[] but Unity api does not support it.
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#ifndef SHADER_API_GLES3
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CBUFFER_END
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#endif
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#endif
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#if USE_FORWARD_PLUS
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CBUFFER_START(urp_ZBinBuffer)
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float4 urp_ZBins[MAX_ZBIN_VEC4S];
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CBUFFER_END
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CBUFFER_START(urp_TileBuffer)
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float4 urp_Tiles[MAX_TILE_VEC4S];
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CBUFFER_END
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TEXTURE2D(urp_ReflProbes_Atlas);
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float urp_ReflProbes_Count;
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// 2023.3 Deprecated. This is for backwards compatibility. Remove in the future.
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#define samplerurp_ReflProbes_Atlas sampler_LinearClamp
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#ifndef SHADER_API_GLES3
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CBUFFER_START(urp_ReflectionProbeBuffer)
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#endif
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float4 urp_ReflProbes_BoxMax[MAX_REFLECTION_PROBES]; // w contains the blend distance
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float4 urp_ReflProbes_BoxMin[MAX_REFLECTION_PROBES]; // w contains the importance
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float4 urp_ReflProbes_ProbePosition[MAX_REFLECTION_PROBES]; // w is positive for box projection, |w| is max mip level
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float4 urp_ReflProbes_MipScaleOffset[MAX_REFLECTION_PROBES * 7];
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#ifndef SHADER_API_GLES3
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CBUFFER_END
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#endif
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#endif
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#define UNITY_MATRIX_M unity_ObjectToWorld
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#define UNITY_MATRIX_I_M unity_WorldToObject
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#define UNITY_MATRIX_V unity_MatrixV
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#define UNITY_MATRIX_I_V unity_MatrixInvV
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#define UNITY_MATRIX_P OptimizeProjectionMatrix(glstate_matrix_projection)
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#define UNITY_MATRIX_I_P unity_MatrixInvP
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#define UNITY_MATRIX_VP unity_MatrixVP
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#define UNITY_MATRIX_I_VP unity_MatrixInvVP
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#define UNITY_MATRIX_MV mul(UNITY_MATRIX_V, UNITY_MATRIX_M)
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#define UNITY_MATRIX_T_MV transpose(UNITY_MATRIX_MV)
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#define UNITY_MATRIX_IT_MV transpose(mul(UNITY_MATRIX_I_M, UNITY_MATRIX_I_V))
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#define UNITY_MATRIX_MVP mul(UNITY_MATRIX_VP, UNITY_MATRIX_M)
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#define UNITY_PREV_MATRIX_M unity_MatrixPreviousM
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#define UNITY_PREV_MATRIX_I_M unity_MatrixPreviousMI
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// Note: #include order is important here.
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// UnityInput.hlsl must be included before UnityInstancing.hlsl, so constant buffer
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// declarations don't fail because of instancing macros.
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// UniversalDOTSInstancing.hlsl must be included after UnityInstancing.hlsl
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#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/UnityInput.hlsl"
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#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/UnityInstancing.hlsl"
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#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/UniversalDOTSInstancing.hlsl"
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// VFX may also redefine UNITY_MATRIX_M / UNITY_MATRIX_I_M as static per-particle global matrices.
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#ifdef HAVE_VFX_MODIFICATION
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#include "Packages/com.unity.visualeffectgraph/Shaders/VFXMatricesOverride.hlsl"
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#endif
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#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/SpaceTransforms.hlsl"
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#endif
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