declare const _default: "\nstruct Attributes {\n  @builtin(instance_index) instanceIndex: u32,\n  @location(0) positions: vec2<f32>,\n  @location(1) instancePositions: vec2<f32>,\n  @location(2) instanceWeights: f32,\n};\n\nstruct Varyings {\n  @builtin(position) position: vec4<f32>,\n  @location(0) color: vec4<f32>,\n  @location(1) pickingColor: vec3<f32>,\n};\n\nfn sampleColorRange(value: f32, domain: vec2<f32>) -> vec4<f32> {\n  let ratio = (value - domain.x) / (domain.y - domain.x);\n  return textureSampleLevel(colorRange, colorRangeSampler, vec2<f32>(ratio, 0.5), 0.0);\n}\n\n@vertex\nfn vertexMain(attributes: Attributes) -> Varyings {\n  var output: Varyings;\n  output.pickingColor = picking_getPickingColorFromIndex(attributes.instanceIndex);\n\n  if (attributes.instanceWeights != attributes.instanceWeights) {\n    output.position = vec4<f32>(0.0);\n    output.color = vec4<f32>(0.0);\n    return output;\n  }\n\n  var position =\n    attributes.instancePositions * screenGrid.gridSizeClipspace +\n    attributes.positions * screenGrid.cellSizeClipspace;\n  position.x -= 1.0;\n  position.y = 1.0 - position.y;\n\n  output.position = vec4<f32>(position, 0.0, 1.0);\n  let colorValue = sampleColorRange(attributes.instanceWeights, screenGrid.colorDomain);\n  output.color = vec4<f32>(colorValue.rgb, colorValue.a * layer.opacity);\n  return output;\n}\n\n@fragment\nfn fragmentMain(varyings: Varyings) -> @location(0) vec4<f32> {\n  if (picking.isActive > 0.5) {\n    if (!picking_isColorValid(varyings.pickingColor)) {\n      discard;\n    }\n    return vec4<f32>(varyings.pickingColor, 1.0);\n  }\n\n  var color = varyings.color;\n  if (picking.isHighlightActive > 0.5) {\n    let highlightedObjectColor = picking_normalizeColor(picking.highlightedObjectColor);\n    if (picking_isColorZero(abs(varyings.pickingColor - highlightedObjectColor))) {\n      let highLightAlpha = picking.highlightColor.a;\n      let blendedAlpha = highLightAlpha + color.a * (1.0 - highLightAlpha);\n      if (blendedAlpha > 0.0) {\n        let highLightRatio = highLightAlpha / blendedAlpha;\n        color = vec4<f32>(\n          mix(color.rgb, picking.highlightColor.rgb, highLightRatio),\n          blendedAlpha\n        );\n      } else {\n        color = vec4<f32>(color.rgb, 0.0);\n      }\n    }\n  }\n\n  return deckgl_premultiplied_alpha(color);\n}\n";
export default _default;
//# sourceMappingURL=screen-grid-cell-layer.wgsl.d.ts.map