declare const _default: "\n// light cookie functionality for non-clustered lights\nvec4 getCookie2D(sampler2D tex, mat4 transform, float intensity) {\n    vec4 projPos = transform * vec4(vPositionW, 1.0);\n    projPos.xy /= projPos.w;\n    return mix(vec4(1.0), texture2D(tex, projPos.xy), intensity);\n}\n\nvec4 getCookie2DClip(sampler2D tex, mat4 transform, float intensity) {\n    vec4 projPos = transform * vec4(vPositionW, 1.0);\n    projPos.xy /= projPos.w;\n    if (projPos.x < 0.0 || projPos.x > 1.0 || projPos.y < 0.0 || projPos.y > 1.0 || projPos.z < 0.0) return vec4(0.0);\n    return mix(vec4(1.0), texture2D(tex, projPos.xy), intensity);\n}\n\nvec4 getCookie2DXform(sampler2D tex, mat4 transform, float intensity, vec4 cookieMatrix, vec2 cookieOffset) {\n    vec4 projPos = transform * vec4(vPositionW, 1.0);\n    projPos.xy /= projPos.w;\n    projPos.xy += cookieOffset;\n    vec2 uv = mat2(cookieMatrix) * (projPos.xy-vec2(0.5)) + vec2(0.5);\n    return mix(vec4(1.0), texture2D(tex, uv), intensity);\n}\n\nvec4 getCookie2DClipXform(sampler2D tex, mat4 transform, float intensity, vec4 cookieMatrix, vec2 cookieOffset) {\n    vec4 projPos = transform * vec4(vPositionW, 1.0);\n    projPos.xy /= projPos.w;\n    projPos.xy += cookieOffset;\n    if (projPos.x < 0.0 || projPos.x > 1.0 || projPos.y < 0.0 || projPos.y > 1.0 || projPos.z < 0.0) return vec4(0.0);\n    vec2 uv = mat2(cookieMatrix) * (projPos.xy-vec2(0.5)) + vec2(0.5);\n    return mix(vec4(1.0), texture2D(tex, uv), intensity);\n}\n\nvec4 getCookieCube(samplerCube tex, mat4 transform, float intensity) {\n    return mix(vec4(1.0), textureCube(tex, dLightDirNormW * mat3(transform)), intensity);\n}\n";
export default _default;