declare const _default: "struct WeightAttributes {\n  @builtin(vertex_index) vertexIndex: u32,\n  @location(0) instancePositions: vec3<f32>,\n  @location(1) instancePositions64Low: vec3<f32>,\n  @location(2) instanceWeights: f32,\n};\n\nstruct WeightVaryings {\n  @builtin(position) position: vec4<f32>,\n  @location(0) pointCoordinates: vec2<f32>,\n  @location(1) weights: vec4<f32>,\n};\n\nconst WEIGHT_QUAD_POSITIONS = array<vec2<f32>, 6>(\n  vec2<f32>(-1.0, -1.0),\n  vec2<f32>(1.0, -1.0),\n  vec2<f32>(-1.0, 1.0),\n  vec2<f32>(-1.0, 1.0),\n  vec2<f32>(1.0, -1.0),\n  vec2<f32>(1.0, 1.0)\n);\n\n@vertex\nfn vertexMain(attributes: WeightAttributes) -> WeightVaryings {\n  var output: WeightVaryings;\n  let commonPosition = project_position_vec3_f64(\n    attributes.instancePositions,\n    attributes.instancePositions64Low\n  );\n  let clipPosition =\n    (commonPosition.xy - weight.commonBounds.xy) /\n    (weight.commonBounds.zw - weight.commonBounds.xy) * 2.0 - vec2<f32>(1.0);\n  let radiusTexels =\n    project_pixel_size_float(weight.radiusPixels) * weight.textureWidth /\n    (weight.commonBounds.z - weight.commonBounds.x);\n  let offset = WEIGHT_QUAD_POSITIONS[attributes.vertexIndex];\n\n  output.position = vec4<f32>(\n    clipPosition + offset * radiusTexels * 2.0 / weight.textureWidth,\n    0.0,\n    1.0\n  );\n  output.pointCoordinates = (offset + vec2<f32>(1.0)) * 0.5;\n  output.weights = vec4<f32>(attributes.instanceWeights * weight.weightsScale, 0.0, 0.0, 1.0);\n  return output;\n}\n\n@fragment\nfn fragmentMain(varyings: WeightVaryings) -> @location(0) vec4<f32> {\n  let distanceFromCenter = length(varyings.pointCoordinates - vec2<f32>(0.5));\n  if (distanceFromCenter > 0.5) {\n    discard;\n  }\n\n  let gaussian = exp(-pow(2.0 * distanceFromCenter, 2.0) / 0.05555) /\n    (1.77245385 * 0.166666);\n  return varyings.weights * gaussian;\n}\n";
export default _default;
//# sourceMappingURL=weights.wgsl.d.ts.map