Update Files
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283
leenkx/Shaders/deferred_light_mobile/deferred_light.frag.glsl
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283
leenkx/Shaders/deferred_light_mobile/deferred_light.frag.glsl
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#version 450
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#include "compiled.inc"
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#include "std/gbuffer.glsl"
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#include "std/math.glsl"
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#ifdef _Clusters
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#include "std/clusters.glsl"
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#endif
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#ifdef _Irr
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#include "std/shirr.glsl"
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#endif
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uniform sampler2D gbufferD;
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uniform sampler2D gbuffer0;
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uniform sampler2D gbuffer1;
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uniform float envmapStrength;
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#ifdef _Irr
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uniform vec4 shirr[7];
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#endif
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#ifdef _Brdf
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uniform sampler2D senvmapBrdf;
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#endif
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#ifdef _Rad
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uniform sampler2D senvmapRadiance;
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uniform int envmapNumMipmaps;
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#endif
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#ifdef _EnvCol
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uniform vec3 backgroundCol;
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#endif
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#ifdef _SMSizeUniform
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//!uniform vec2 smSizeUniform;
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#endif
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uniform vec2 cameraProj;
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uniform vec3 eye;
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uniform vec3 eyeLook;
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#ifdef _Clusters
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uniform vec4 lightsArray[maxLights * 3];
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#ifdef _Spot
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uniform vec4 lightsArraySpot[maxLights * 2];
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#endif
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uniform sampler2D clustersData;
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uniform vec2 cameraPlane;
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#endif
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#ifdef _ShadowMap
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#ifdef _SinglePoint
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#ifdef _Spot
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//!uniform sampler2DShadow shadowMapSpot[1];
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//!uniform mat4 LWVPSpot[1];
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#else
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//!uniform samplerCubeShadow shadowMapPoint[1];
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//!uniform vec2 lightProj;
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#endif
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#endif
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#ifdef _Clusters
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#ifdef _ShadowMapAtlas
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#ifdef _SingleAtlas
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uniform sampler2DShadow shadowMapAtlas;
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#endif
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#endif
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#ifdef _ShadowMapAtlas
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#ifndef _SingleAtlas
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//!uniform sampler2DShadow shadowMapAtlasPoint;
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#endif
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//!uniform vec4 pointLightDataArray[4];
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#else
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//!uniform samplerCubeShadow shadowMapPoint[4];
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#endif
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//!uniform vec2 lightProj;
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#ifdef _Spot
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#ifdef _ShadowMapAtlas
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#ifndef _SingleAtlas
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//!uniform sampler2DShadow shadowMapAtlasSpot;
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#endif
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#else
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//!uniform sampler2DShadow shadowMapSpot[4];
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#endif
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//!uniform mat4 LWVPSpotArray[4];
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#endif
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#endif
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#endif
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#ifdef _Sun
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uniform vec3 sunDir;
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uniform vec3 sunCol;
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#ifdef _ShadowMap
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#ifdef _ShadowMapAtlas
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#ifndef _SingleAtlas
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uniform sampler2DShadow shadowMapAtlasSun;
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#endif
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#else
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uniform sampler2DShadow shadowMap;
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#endif
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uniform float shadowsBias;
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#ifdef _CSM
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//!uniform vec4 casData[shadowmapCascades * 4 + 4];
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#else
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uniform mat4 LWVP;
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#endif
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#endif // _ShadowMap
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#endif
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#ifdef _SinglePoint // Fast path for single light
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uniform vec3 pointPos;
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uniform vec3 pointCol;
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uniform float pointBias;
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#ifdef _Spot
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uniform vec3 spotDir;
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uniform vec3 spotRight;
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uniform vec4 spotData;
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#endif
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#endif
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#include "std/light_mobile.glsl"
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in vec2 texCoord;
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in vec3 viewRay;
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out vec4 fragColor;
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void main() {
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vec4 g0 = textureLod(gbuffer0, texCoord, 0.0); // Normal.xy, roughness, metallic/matid
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vec3 n;
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n.z = 1.0 - abs(g0.x) - abs(g0.y);
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n.xy = n.z >= 0.0 ? g0.xy : octahedronWrap(g0.xy);
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n = normalize(n);
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float roughness = g0.b;
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float metallic;
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uint matid;
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unpackFloatInt16(g0.a, metallic, matid);
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vec4 g1 = textureLod(gbuffer1, texCoord, 0.0); // Basecolor.rgb, spec/occ
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vec2 occspec = unpackFloat2(g1.a);
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vec3 albedo = surfaceAlbedo(g1.rgb, metallic); // g1.rgb - basecolor
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vec3 f0 = surfaceF0(g1.rgb, metallic);
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float depth = textureLod(gbufferD, texCoord, 0.0).r * 2.0 - 1.0;
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vec3 p = getPos(eye, eyeLook, normalize(viewRay), depth, cameraProj);
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vec3 v = normalize(eye - p);
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float dotNV = max(dot(n, v), 0.0);
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#ifdef _Brdf
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vec2 envBRDF = texelFetch(senvmapBrdf, ivec2(vec2(dotNV, 1.0 - roughness) * 256.0), 0).xy;
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#endif
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// Envmap
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#ifdef _Irr
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vec3 envl = shIrradiance(n, shirr);
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#ifdef _EnvTex
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envl /= PI;
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#endif
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#else
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vec3 envl = vec3(1.0);
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#endif
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#ifdef _Rad
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vec3 reflectionWorld = reflect(-v, n);
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float lod = getMipFromRoughness(roughness, envmapNumMipmaps);
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vec3 prefilteredColor = textureLod(senvmapRadiance, envMapEquirect(reflectionWorld), lod).rgb;
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#endif
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#ifdef _EnvLDR
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envl.rgb = pow(envl.rgb, vec3(2.2));
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#ifdef _Rad
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prefilteredColor = pow(prefilteredColor, vec3(2.2));
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#endif
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#endif
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envl.rgb *= albedo;
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#ifdef _Rad // Indirect specular
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envl.rgb += prefilteredColor * (f0 * envBRDF.x + envBRDF.y) * 1.5 * occspec.y;
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#else
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#ifdef _EnvCol
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envl.rgb += backgroundCol * surfaceF0(g1.rgb, metallic); // f0
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#endif
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#endif
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envl.rgb *= envmapStrength * occspec.x;
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fragColor.rgb = envl;
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#ifdef _Sun
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vec3 sh = normalize(v + sunDir);
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float sdotNH = max(0.0, dot(n, sh));
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float sdotVH = max(0.0, dot(v, sh));
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float sdotNL = max(0.0, dot(n, sunDir));
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float svisibility = 1.0;
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vec3 sdirect = lambertDiffuseBRDF(albedo, sdotNL) +
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specularBRDF(f0, roughness, sdotNL, sdotNH, dotNV, sdotVH) * occspec.y;
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#ifdef _ShadowMap
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#ifdef _CSM
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svisibility = shadowTestCascade(
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#ifdef _ShadowMapAtlas
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#ifndef _SingleAtlas
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shadowMapAtlasSun
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#else
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shadowMapAtlas
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#endif
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#else
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shadowMap
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#endif
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, eye, p + n * shadowsBias * 10, shadowsBias
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);
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#else
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vec4 lPos = LWVP * vec4(p + n * shadowsBias * 100, 1.0);
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if (lPos.w > 0.0) svisibility = shadowTest(
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#ifdef _ShadowMapAtlas
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#ifndef _SingleAtlas
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shadowMapAtlasSun
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#else
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shadowMapAtlas
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#endif
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#else
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shadowMap
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#endif
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, lPos.xyz / lPos.w, shadowsBias
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);
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#endif
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#endif
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fragColor.rgb += sdirect * svisibility * sunCol;
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#endif
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#ifdef _SinglePoint
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fragColor.rgb += sampleLight(
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p, n, v, dotNV, pointPos, pointCol, albedo, roughness, occspec.y, f0
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#ifdef _ShadowMap
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, 0, pointBias, true
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#endif
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#ifdef _Spot
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, true, spotData.x, spotData.y, spotDir, spotData.zw, spotRight // TODO: Test!
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#endif
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);
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#endif
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#ifdef _Clusters
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float viewz = linearize(depth * 0.5 + 0.5, cameraProj);
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int clusterI = getClusterI(texCoord, viewz, cameraPlane);
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int numLights = int(texelFetch(clustersData, ivec2(clusterI, 0), 0).r * 255);
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#ifdef HLSL
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viewz += textureLod(clustersData, vec2(0.0), 0.0).r * 1e-9; // TODO: krafix bug, needs to generate sampler
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#endif
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#ifdef _Spot
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int numSpots = int(texelFetch(clustersData, ivec2(clusterI, 1 + maxLightsCluster), 0).r * 255);
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int numPoints = numLights - numSpots;
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#endif
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for (int i = 0; i < min(numLights, maxLightsCluster); i++) {
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int li = int(texelFetch(clustersData, ivec2(clusterI, i + 1), 0).r * 255);
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fragColor.rgb += sampleLight(
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p,
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n,
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v,
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dotNV,
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lightsArray[li * 3].xyz, // lp
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lightsArray[li * 3 + 1].xyz, // lightCol
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albedo,
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roughness,
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occspec.y,
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f0
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#ifdef _ShadowMap
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// light index, shadow bias, cast_shadows
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, li, lightsArray[li * 3 + 2].x, lightsArray[li * 3 + 2].z != 0.0
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#endif
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#ifdef _Spot
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, lightsArray[li * 3 + 2].y != 0.0
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, lightsArray[li * 3 + 2].y // spot size (cutoff)
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, lightsArraySpot[li].w // spot blend (exponent)
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, lightsArraySpot[li].xyz // spotDir
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, vec2(lightsArray[li * 3].w, lightsArray[li * 3 + 1].w) // scale
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, lightsArraySpot[li * 2 + 1].xyz // right
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#endif
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);
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}
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#endif // _Clusters
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}
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190
leenkx/Shaders/deferred_light_mobile/deferred_light_mobile.json
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190
leenkx/Shaders/deferred_light_mobile/deferred_light_mobile.json
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@ -0,0 +1,190 @@
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{
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"contexts": [
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{
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"name": "deferred_light",
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"depth_write": false,
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"compare_mode": "always",
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"cull_mode": "none",
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"links": [
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{
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"name": "eye",
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"link": "_cameraPosition"
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},
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{
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"name": "eyeLook",
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"link": "_cameraLook"
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},
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{
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"name": "invVP",
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"link": "_inverseViewProjectionMatrix"
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},
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{
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"name": "shirr",
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"link": "_envmapIrradiance",
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"ifdef": ["_Irr"]
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},
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{
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"name": "senvmapRadiance",
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"link": "_envmapRadiance",
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"ifdef": ["_Rad"]
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},
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{
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"name": "envmapNumMipmaps",
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"link": "_envmapNumMipmaps",
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"ifdef": ["_Rad"]
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},
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{
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"name": "senvmapBrdf",
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"link": "$brdf.png",
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"ifdef": ["_Brdf"]
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},
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{
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"name": "cameraProj",
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"link": "_cameraPlaneProj"
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},
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{
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"name": "envmapStrength",
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"link": "_envmapStrength"
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},
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{
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"name": "backgroundCol",
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"link": "_backgroundCol",
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"ifdef": ["_EnvCol"]
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},
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{
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"name": "lightsArray",
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"link": "_lightsArray",
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"ifdef": ["_Clusters"]
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},
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{
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"name": "lightsArraySpot",
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"link": "_lightsArraySpot",
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"ifdef": ["_Clusters", "_Spot"]
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},
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{
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"name": "clustersData",
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"link": "_clustersData",
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"ifdef": ["_Clusters"]
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},
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{
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"name": "cameraPlane",
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"link": "_cameraPlane",
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"ifdef": ["_Clusters"]
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},
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{
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"name": "sunDir",
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"link": "_sunDirection",
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"ifdef": ["_Sun"]
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},
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{
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"name": "sunCol",
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"link": "_sunColor",
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"ifdef": ["_Sun"]
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},
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{
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"name": "shadowsBias",
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"link": "_sunShadowsBias",
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"ifdef": ["_Sun", "_ShadowMap"]
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},
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{
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"name": "LWVP",
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"link": "_biasLightWorldViewProjectionMatrixSun",
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"ifndef": ["_CSM"],
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"ifdef": ["_Sun", "_ShadowMap"]
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},
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{
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"name": "casData",
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"link": "_cascadeData",
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"ifdef": ["_Sun", "_ShadowMap", "_CSM"]
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},
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{
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"name": "lightPlane",
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"link": "_lightPlane",
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"ifdef": ["_SSS"]
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},
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{
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"name": "VP",
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"link": "_viewProjectionMatrix",
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"ifdef": ["_SSRS"]
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},
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{
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"name": "smSizeUniform",
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"link": "_shadowMapSize",
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"ifdef": ["_SMSizeUniform"]
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},
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{
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"name": "lightProj",
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"link": "_lightPlaneProj",
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"ifdef": ["_ShadowMap"]
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},
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{
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"name": "pointPos",
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"link": "_pointPosition",
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"ifdef": ["_SinglePoint"]
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},
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{
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"name": "pointCol",
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"link": "_pointColor",
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"ifdef": ["_SinglePoint"]
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},
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{
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"name": "pointBias",
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"link": "_pointShadowsBias",
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"ifdef": ["_SinglePoint"]
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},
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{
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"name": "spotDir",
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"link": "_spotDirection",
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"ifdef": ["_SinglePoint", "_Spot"]
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},
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{
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"name": "spotData",
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"link": "_spotData",
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"ifdef": ["_SinglePoint", "_Spot"]
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},
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{
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"name": "spotRight",
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"link": "_spotRight",
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"ifdef": ["_SinglePoint", "_Spot"]
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},
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{
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"name": "LWVPSpotArray",
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"link": "_biasLightWorldViewProjectionMatrixSpotArray",
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"ifdef": ["_Clusters", "_ShadowMap", "_Spot"]
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},
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{
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"name": "pointLightDataArray",
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"link": "_pointLightsAtlasArray",
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"ifdef": ["_Clusters", "_ShadowMap", "_ShadowMapAtlas"]
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},
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{
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"name": "LWVPSpot[0]",
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"link": "_biasLightWorldViewProjectionMatrixSpot0",
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"ifndef": ["_ShadowMapAtlas"],
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"ifdef": ["_LTC", "_ShadowMap"]
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},
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{
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"name": "LWVPSpot[1]",
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"link": "_biasLightWorldViewProjectionMatrixSpot1",
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"ifndef": ["_ShadowMapAtlas"],
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"ifdef": ["_LTC", "_ShadowMap"]
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},
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{
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"name": "LWVPSpot[2]",
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"link": "_biasLightWorldViewProjectionMatrixSpot2",
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"ifndef": ["_ShadowMapAtlas"],
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"ifdef": ["_LTC", "_ShadowMap"]
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},
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{
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"name": "LWVPSpot[3]",
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"link": "_biasLightWorldViewProjectionMatrixSpot3",
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"ifndef": ["_ShadowMapAtlas"],
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"ifdef": ["_LTC", "_ShadowMap"]
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}
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],
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"vertex_shader": "../include/pass_viewray.vert.glsl",
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"fragment_shader": "deferred_light.frag.glsl",
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"color_attachments": ["RGBA64"]
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}
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]
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}
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