StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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30 lines
814 B
30 lines
814 B
4 years ago
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'use strict'
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var weakMap = typeof WeakMap === 'undefined' ? require('weak-map') : WeakMap
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var createBuffer = require('gl-buffer')
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var createVAO = require('gl-vao')
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var TriangleCache = new weakMap()
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function createABigTriangle(gl) {
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var triangleVAO = TriangleCache.get(gl)
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var handle = triangleVAO && (triangleVAO._triangleBuffer.handle || triangleVAO._triangleBuffer.buffer)
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if(!handle || !gl.isBuffer(handle)) {
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var buf = createBuffer(gl, new Float32Array([-1, -1, -1, 4, 4, -1]))
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triangleVAO = createVAO(gl, [
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{ buffer: buf,
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type: gl.FLOAT,
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size: 2
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}
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])
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triangleVAO._triangleBuffer = buf
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TriangleCache.set(gl, triangleVAO)
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}
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triangleVAO.bind()
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gl.drawArrays(gl.TRIANGLES, 0, 3)
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triangleVAO.unbind()
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}
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module.exports = createABigTriangle
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