import {
  i,
  l,
  o
} from "./chunk-LGW7TID4.js";
import {
  r,
  t
} from "./chunk-GZT4BVFP.js";

// node_modules/@arcgis/core/views/webgl/capabilities.js
var n;
var a;
function l2(t2) {
  const e = i(t2);
  for (; e.length > 1; ) {
    const t3 = u(e.shift());
    if (t3.available)
      return t3;
  }
  return u(e.shift());
}
function u(t2) {
  switch (t2) {
    case o.WEBGL1:
      return i2();
    case o.WEBGL2:
      return p();
  }
}
function i2() {
  return n || (n = x()), n;
}
function p() {
  return a || (a = d()), a;
}
var f = class {
  constructor() {
    this.available = false, this.majorPerformanceCaveat = false, this.maxTextureSize = 0, this.supportsVertexShaderSamplers = false, this.supportsHighPrecisionFragment = false, this.supportsElementIndexUint = false, this.supportsStandardDerivatives = false, this.supportsInstancedArrays = false, this.supportsTextureFloat = false, this.supportsTextureHalfFloat = false, this.supportsColorBufferFloat = false, this.supportsColorBufferFloatBlend = false, this.supportsColorBufferHalfFloat = false;
  }
};
var c = class extends f {
  constructor() {
    super(...arguments), this.type = o.WEBGL1;
  }
};
var E = class extends f {
  constructor() {
    super(...arguments), this.type = o.WEBGL2, this.supportsElementIndexUint = true, this.supportsStandardDerivatives = true, this.supportsInstancedArrays = true, this.supportsTextureFloat = true, this.supportsTextureHalfFloat = true;
  }
};
function _(r2, n2) {
  if (r2 === o.WEBGL1 && typeof WebGLRenderingContext === void 0 || r2 === o.WEBGL2 && typeof WebGL2RenderingContext === void 0)
    return null;
  const a2 = document.createElement("canvas");
  if (!a2)
    return null;
  let l3 = l(a2, r2, { failIfMajorPerformanceCaveat: true });
  if (t(l3) && (l3 = l(a2, r2), r(l3) && (n2.majorPerformanceCaveat = true)), t(l3))
    return l3;
  if (r2 === o.WEBGL1) {
    const t2 = l3.getParameter(l3.VERSION)?.match(/^WebGL\s+([\d.]*)/);
    if (t2) {
      const e = parseFloat(t2[1]);
      n2.available = e >= 0.94;
    }
  } else
    n2.available = true;
  n2.maxTextureSize = l3.getParameter(l3.MAX_TEXTURE_SIZE), n2.supportsVertexShaderSamplers = l3.getParameter(l3.MAX_VERTEX_TEXTURE_IMAGE_UNITS) > 0;
  const u2 = l3.getShaderPrecisionFormat(l3.FRAGMENT_SHADER, l3.HIGH_FLOAT);
  return u2 && (n2.supportsHighPrecisionFragment = u2.precision > 0), l3;
}
function x() {
  const e = new c(), r2 = _(o.WEBGL1, e);
  return t(r2) || (e.supportsElementIndexUint = r2.getExtension("OES_element_index_uint") !== null, e.supportsStandardDerivatives = r2.getExtension("OES_standard_derivatives") !== null, e.supportsInstancedArrays = r2.getExtension("ANGLE_instanced_arrays") !== null, e.supportsTextureFloat = r2.getExtension("OES_texture_float") !== null, e.supportsTextureHalfFloat = r2.getExtension("OES_texture_half_float") !== null, e.supportsColorBufferFloat = r2.getExtension("WEBGL_color_buffer_float") !== null, e.supportsColorBufferFloatBlend = r2.getExtension("EXT_float_blend") !== null, e.supportsColorBufferHalfFloat = r2.getExtension("EXT_color_buffer_half_float") !== null), e;
}
function d() {
  const e = new E(), r2 = _(o.WEBGL2, e);
  return t(r2) || (e.supportsColorBufferFloat = r2.getExtension("EXT_color_buffer_float") !== null, e.supportsColorBufferFloatBlend = r2.getExtension("EXT_float_blend") !== null, e.supportsColorBufferHalfFloat = e.supportsColorBufferFloat || r2.getExtension("EXT_color_buffer_half_float") !== null), e;
}

export {
  l2 as l
};
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