opti : shaders rework test

2026-07-07 19:49:54 +02:00
parent a5b7c571eb
commit 06da5b858a
31 changed files with 1813 additions and 361 deletions
@@ -0,0 +1,112 @@
+#ifndef ENKI_BILAL_INCLUDED
+#define ENKI_BILAL_INCLUDED
+
+#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl"
+#include "Assets/_Content/Shaders/Include/Noises.hlsl"
+#include "Assets/_Content/Shaders/Include/Details.hlsl"
+#include "Assets/_Content/Shaders/Include/Utilities.hlsl"
+//#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/AmbientOcclusion.hlsl"
+
+float GetShadow(float3 PositionWS)
+{
+    float4 shadowCoord = TransformWorldToShadowCoord(PositionWS);
+    Light mainLight = GetMainLight(shadowCoord);
+
+    float shadow = 1 - mainLight.shadowAttenuation;
+
+#if defined(_ADDITIONAL_LIGHTS)
+    uint lightsCount = GetAdditionalLightsCount();
+
+    [loop]
+    for (uint i = 0; i < lightsCount; i++)
+    {
+        Light light = GetAdditionalLight(i, PositionWS);
+        shadow = max(shadow, 1 - light.shadowAttenuation);
+    }
+#endif
+
+    return saturate(shadow);
+}
+
+void EnkiBillal_float
+(
+    float4 Color,
+    UnityTexture2D DetailTexA,
+    UnityTexture2D DetailTexB,
+    float2 ScreenUV,
+    float3 PositionWS,
+    float3 NormalWS,
+    float ProjectionsBlend,
+    float DetailIntensityA,
+    float DetailIntensityB,
+    float DetailSizeA,
+    float DetailSizeB,
+    uint FogUse,
+    float4 FogColor,
+    float FogMin,
+    float FogMax,
+    out float3 Output,
+    out float Alpha
+)
+{
+    // Common
+    float depth = length(PositionWS - _WorldSpaceCameraPos.xyz);
+    
+    float3 pivotWS = TransformObjectToWorld(float3(0, 0, 0));
+
+    float3 scale = GetScale(pivotWS);
+    
+    float3 positionOS = TransformWorldToObject(PositionWS) * scale;
+    float3 normalOS = normalize(TransformWorldToObjectDir(NormalWS));
+    
+    //float ao = GetScreenSpaceAmbientOcclusion(ScreenUV).directAmbientOcclusion;
+    
+    // Shadow
+
+    float shadow = GetShadow(PositionWS);
+    float shadowAtten = Remap(1, 0, .6, 1, shadow);
+
+    // Detail
+    
+    float4 detailA = SampleProjectedDetailLOD
+    (
+        DetailTexA,
+        positionOS,
+        normalOS,
+        ProjectionsBlend,
+        DetailSizeA,
+        depth
+    
+    );
+    
+    float4 detailB = SampleProjectedDetailLOD
+    (
+        DetailTexB,
+        positionOS,
+        normalOS,
+        ProjectionsBlend,
+        DetailSizeB,
+        depth
+    
+    );
+    
+    float detailMaskA = smoothstep(0, .8, detailA.a);
+    float detailMaskB = smoothstep(0, .8, detailB.a);
+    
+    // Fog
+    
+    // Output
+    
+    Output = Color.rgb;
+    Output = lerp(Output.rgb, detailA.rgb, detailMaskA * DetailIntensityA);
+    Output = lerp(Output.rgb, detailB.rgb, detailMaskB * DetailIntensityB);
+    
+    if (FogUse)
+    {
+        Output = lerp(Output.rgb, FogColor.rgb, smoothstep(FogMin, FogMax, depth) * FogColor.a);
+    }
+    
+    Alpha = Color.a;
+}
+
+#endif