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270 lines
11 KiB
270 lines
11 KiB
// Upgrade NOTE: replaced 'defined at' with 'defined (at)'
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#ifdef DEBUG_DISPLAY
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Debug/DebugDisplay.hlsl"
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#endif
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#ifndef SHADERPASS
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#error SHADERPASS must be defined (at) this point
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#endif
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#if defined(VFX_MATERIAL_TYPE_SIX_WAY_SMOKE)
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#include "Packages/com.unity.visualeffectgraph/Shaders/SixWay/VFXSixWayCommon.hlsl"
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#endif
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#if defined(VFX_MATERIAL_TYPE_SIX_WAY_SMOKE) && (SHADERPASS == SHADERPASS_FORWARD)
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//Do nothing. In Six-way lighting forward pass, these includes are required earlier, defined in VFXVertexProbeSampling.template
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#else
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Material.hlsl"
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#if (SHADERPASS == SHADERPASS_FORWARD) || (SHADERPASS == SHADERPASS_RAYTRACING_INDIRECT) || (SHADERPASS == SHADERPASS_RAYTRACING_FORWARD)
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Lighting/Lighting.hlsl"
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// The light loop (or lighting architecture) is in charge to:
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// - Define light list
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// - Define the light loop
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// - Setup the constant/data
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// - Do the reflection hierarchy
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// - Provide sampling function for shadowmap, ies, cookie and reflection (depends on the specific use with the light loops like index array or atlas or single and texture format (cubemap/latlong))
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#define HAS_LIGHTLOOP
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Lighting/LightLoop/LightLoopDef.hlsl"
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#ifdef HDRP_MATERIAL_TYPE_SIMPLE
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/SimpleLit.hlsl"
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#define _DISABLE_SSR
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#if defined(SHADER_STAGE_RAY_TRACING)
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/SimpleLitRayTracing.hlsl"
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#endif
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#else
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/Lit.hlsl"
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#if defined(SHADER_STAGE_RAY_TRACING)
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/LitRayTracing.hlsl"
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#endif
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#endif
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Lighting/LightLoop/LightLoop.hlsl"
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#else // (SHADERPASS == SHADERPASS_FORWARD) || (SHADERPASS == SHADERPASS_RAYTRACING_INDIRECT) || (SHADERPASS == SHADERPASS_RAYTRACING_FORWARD)
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#ifdef VFX_MATERIAL_TYPE_SIX_WAY_SMOKE
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/SixWayLit/SixWaySmokeLit.hlsl"
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#else
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#ifdef HDRP_MATERIAL_TYPE_SIMPLE
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/SimpleLit.hlsl"
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#if defined(SHADER_STAGE_RAY_TRACING)
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/SimpleLitRayTracing.hlsl"
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#endif
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#else
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/Lit.hlsl"
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#if defined(SHADER_STAGE_RAY_TRACING)
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/LitRayTracing.hlsl"
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#endif
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#endif
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#endif
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#endif // (SHADERPASS == SHADERPASS_FORWARD)
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#endif
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/BuiltinUtilities.hlsl"
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float3 VFXGetPositionRWS(VFX_VARYING_PS_INPUTS i)
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{
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float3 posWS = (float3)0;
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#ifdef VFX_VARYING_POSWS
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posWS = i.VFX_VARYING_POSWS;
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#endif
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return VFXGetPositionRWS(posWS);
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}
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BuiltinData VFXGetBuiltinData(const VFX_VARYING_PS_INPUTS i,const PositionInputs posInputs, const SurfaceData surfaceData, const VFXUVData uvData, float opacity = 1.0f)
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{
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BuiltinData builtinData = (BuiltinData)0;
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InitBuiltinData(posInputs, opacity, surfaceData.normalWS, -surfaceData.normalWS, (float4)0, (float4)0, builtinData); // We dont care about uvs are we dont sample lightmaps
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#if HDRP_USE_EMISSIVE
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builtinData.emissiveColor = float3(1,1,1);
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#if HDRP_USE_EMISSIVE_MAP
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float emissiveScale = 1.0f;
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#ifdef VFX_VARYING_EMISSIVESCALE
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emissiveScale = i.VFX_VARYING_EMISSIVESCALE;
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#endif
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builtinData.emissiveColor *= SampleTexture(VFX_SAMPLER(emissiveMap),uvData).rgb * emissiveScale;
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#endif
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#if defined(VFX_VARYING_EMISSIVE) && (HDRP_USE_EMISSIVE_COLOR || HDRP_USE_ADDITIONAL_EMISSIVE_COLOR)
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builtinData.emissiveColor *= i.VFX_VARYING_EMISSIVE;
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#endif
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#ifdef VFX_VARYING_EXPOSUREWEIGHT
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builtinData.emissiveColor *= lerp(GetInverseCurrentExposureMultiplier(),1.0f,i.VFX_VARYING_EXPOSUREWEIGHT);
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#endif
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#endif
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#if VFX_MATERIAL_TYPE_SIX_WAY_SMOKE && defined(VFX_VARYING_EMISSIVE_GRADIENT)
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float emissiveChannel = SampleTexture(VFX_SAMPLER(negativeAxesLightmap),uvData).a;
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#if defined(VFX_VARYING_EMISSIVE_CHANNEL_SCALE)
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emissiveChannel *= i.VFX_VARYING_EMISSIVE_CHANNEL_SCALE;
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#endif
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builtinData.emissiveColor = SampleGradient(i.VFX_VARYING_EMISSIVE_GRADIENT, emissiveChannel).rgb;
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#if defined(VFX_VARYING_EMISSIVE_MULTIPLIER)
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builtinData.emissiveColor *= i.VFX_VARYING_EMISSIVE_MULTIPLIER;
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#endif
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#ifdef VFX_VARYING_EXPOSUREWEIGHT
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builtinData.emissiveColor *= lerp(GetInverseCurrentExposureMultiplier(),1.0f,i.VFX_VARYING_EXPOSUREWEIGHT);
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#endif
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#endif
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builtinData.emissiveColor *= opacity;
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#if defined(SHADER_STAGE_RAY_TRACING)
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PostInitBuiltinData(-WorldRayDirection(),posInputs,surfaceData, builtinData);
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#else
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PostInitBuiltinData(GetWorldSpaceNormalizeViewDir(posInputs.positionWS),posInputs,surfaceData, builtinData);
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#endif
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return builtinData;
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}
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#ifndef VFX_SHADERGRAPH
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SurfaceData VFXGetSurfaceData(const VFX_VARYING_PS_INPUTS i, float3 normalWS,const VFXUVData uvData, uint diffusionProfileHash, bool frontFace, out float opacity)
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{
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SurfaceData surfaceData = (SurfaceData)0;
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float4 color = float4(1,1,1,1);
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#if HDRP_USE_BASE_COLOR
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color *= VFXGetParticleColor(i);
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#elif HDRP_USE_ADDITIONAL_BASE_COLOR
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#if defined(VFX_VARYING_COLOR)
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color.xyz *= i.VFX_VARYING_COLOR;
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#endif
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#if defined(VFX_VARYING_ALPHA)
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color.a *= i.VFX_VARYING_ALPHA;
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#endif
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#endif
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#if HDRP_USE_BASE_COLOR_MAP
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float4 colorMap = SampleTexture(VFX_SAMPLER(baseColorMap),uvData);
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#if HDRP_USE_BASE_COLOR_MAP_COLOR
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color.xyz *= colorMap.xyz;
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#endif
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#if HDRP_USE_BASE_COLOR_MAP_ALPHA
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color.a *= colorMap.a;
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#endif
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#endif
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#if VFX_MATERIAL_TYPE_SIX_WAY_SMOKE
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surfaceData.absorptionRange = 1.0f;
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#ifdef VFX_VARYING_ABSORPTIONRANGE
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surfaceData.absorptionRange = i.VFX_VARYING_ABSORPTIONRANGE;
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#endif
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float4 lightmapPositive = SampleTexture(VFX_SAMPLER(positiveAxesLightmap),uvData);
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float4 lightmapNegative = SampleTexture(VFX_SAMPLER(negativeAxesLightmap),uvData);
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surfaceData.rightTopBack = lightmapPositive.rgb;
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surfaceData.leftBottomFront = lightmapNegative.rgb;
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#if VFX_STRIPS_SWAP_UV
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SixWaySwapUV(surfaceData.rightTopBack, surfaceData.leftBottomFront);
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#endif
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float mapAlpha = lightmapPositive.a;
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color.a *= mapAlpha;
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#if VFX_SIX_WAY_REMAP
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#if VFX_BLENDMODE_PREMULTIPLY
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surfaceData.rightTopBack /= (mapAlpha + VFX_EPSILON);
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surfaceData.leftBottomFront /= (mapAlpha + VFX_EPSILON);
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#endif
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#if defined(VFX_VARYING_LIGHTMAP_REMAP_RANGES)
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float4 remapRanges = i.VFX_VARYING_LIGHTMAP_REMAP_RANGES;
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RemapLightMapsRangesFrom(surfaceData.rightTopBack, surfaceData.leftBottomFront, mapAlpha, remapRanges);
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#endif
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#if defined(VFX_VARYING_LIGHTMAP_REMAP_CONTROLS)
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float2 lightmapControls = i.VFX_VARYING_LIGHTMAP_REMAP_CONTROLS;
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RemapLightMaps(surfaceData.rightTopBack, surfaceData.leftBottomFront, lightmapControls);
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#elif defined(VFX_VARYING_LIGHTMAP_REMAP_CURVE)
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float4 remapCurve = i.VFX_VARYING_LIGHTMAP_REMAP_CURVE;
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RemapLightMaps(surfaceData.rightTopBack, surfaceData.leftBottomFront, remapCurve);
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#endif
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#if defined(VFX_VARYING_LIGHTMAP_REMAP_RANGES)
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RemapLightMapsRangesTo(surfaceData.rightTopBack, surfaceData.leftBottomFront, mapAlpha, remapRanges);
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#endif
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#if VFX_BLENDMODE_PREMULTIPLY
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surfaceData.rightTopBack *= (mapAlpha + VFX_EPSILON);
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surfaceData.leftBottomFront *= (mapAlpha + VFX_EPSILON);
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#endif
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#endif
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float invEnergy = INV_PI;
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surfaceData.rightTopBack *= invEnergy;
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surfaceData.leftBottomFront *= invEnergy;
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#if VFX_SIX_WAY_USE_ALPHA_REMAP
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color.a = SampleCurve(i.VFX_VARYING_ALPHA_REMAP, color.a);
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#endif
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#if defined(VFX_VARYING_BAKE_DIFFUSE_LIGHTING)
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surfaceData.bakeDiffuseLighting0 = i.VFX_VARYING_BAKE_DIFFUSE_LIGHTING[0];
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surfaceData.bakeDiffuseLighting1 = i.VFX_VARYING_BAKE_DIFFUSE_LIGHTING[1];
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surfaceData.bakeDiffuseLighting2 = i.VFX_VARYING_BAKE_DIFFUSE_LIGHTING[2];
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#endif
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#ifdef VFX_VARYING_TANGENT
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float signBitangent = frontFace ? 1.0f : -1.0f;
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surfaceData.tangentWS = float4(i.VFX_VARYING_TANGENT.xyz,signBitangent);
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#else
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surfaceData.tangentWS = float4(1,0,0,1);
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#endif
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surfaceData.baseColor.a = mapAlpha;
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#endif
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color = VFXApplySoftParticleFade(i, color);
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#if !defined(SHADER_STAGE_RAY_TRACING)
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VFXClipFragmentColor(color.a, i);
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#endif
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surfaceData.baseColor.rgb = saturate(color.rgb);
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#if IS_OPAQUE_PARTICLE
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opacity = 1.0f;
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#else
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opacity = saturate(color.a);
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#endif
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#if HDRP_MATERIAL_TYPE_STANDARD
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surfaceData.materialFeatures = MATERIALFEATUREFLAGS_LIT_STANDARD;
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#ifdef VFX_VARYING_METALLIC
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surfaceData.metallic = i.VFX_VARYING_METALLIC;
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#endif
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#elif HDRP_MATERIAL_TYPE_SPECULAR
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surfaceData.materialFeatures = MATERIALFEATUREFLAGS_LIT_SPECULAR_COLOR;
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#ifdef VFX_VARYING_SPECULAR
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surfaceData.specularColor = saturate(i.VFX_VARYING_SPECULAR);
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#endif
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#elif HDRP_MATERIAL_TYPE_TRANSLUCENT
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surfaceData.materialFeatures = MATERIALFEATUREFLAGS_LIT_TRANSMISSION;
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#ifdef VFX_VARYING_THICKNESS
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surfaceData.thickness = i.VFX_VARYING_THICKNESS * opacity;
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#endif
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surfaceData.diffusionProfileHash = diffusionProfileHash;
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surfaceData.subsurfaceMask = 1.0f;
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surfaceData.transmissionMask = 1.0f;
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#endif
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surfaceData.normalWS = normalWS;
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surfaceData.ambientOcclusion = 1.0f;
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#ifndef VFX_MATERIAL_TYPE_SIX_WAY_SMOKE
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#ifdef VFX_VARYING_SMOOTHNESS
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surfaceData.perceptualSmoothness = i.VFX_VARYING_SMOOTHNESS;
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#endif
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surfaceData.specularOcclusion = 1.0f;
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#endif
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#if HDRP_USE_MASK_MAP
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float4 mask = SampleTexture(VFX_SAMPLER(maskMap),uvData);
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surfaceData.metallic *= mask.r;
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surfaceData.ambientOcclusion *= mask.g;
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surfaceData.perceptualSmoothness *= mask.a;
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#endif
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return surfaceData;
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}
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#endif
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