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# @deck.gl/gpu-table | ||
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This is temporary module placed here just for easier development, should be removed before an official release. |
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const gpuTable = require('./src'); | ||
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/* global window, global */ | ||
const _global = typeof window === 'undefined' ? global : window; | ||
const deck = _global.deck || {}; | ||
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// Check if peer dependencies are included | ||
if (!deck.Layer) { | ||
throw new Error('@deck.gl/core is not found'); | ||
} | ||
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module.exports = Object.assign(deck, gpuTable); |
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{ | ||
"name": "@deck.gl/gpu-table", | ||
"description": "deck.gl gpu-table", | ||
"license": "MIT", | ||
"version": "7.4.0-alpha.2", | ||
"publishConfig": { | ||
"access": "public" | ||
}, | ||
"keywords": [ | ||
"webgl", | ||
"visualization", | ||
"layer" | ||
], | ||
"repository": { | ||
"type": "git", | ||
"url": "https://github.com/uber/deck.gl.git" | ||
}, | ||
"main": "dist/es5/index.js", | ||
"module": "dist/esm/index.js", | ||
"esnext": "dist/es6/index.js", | ||
"files": [ | ||
"dist", | ||
"src", | ||
"dist.min.js" | ||
], | ||
"sideEffects": false, | ||
"scripts": { | ||
"build-bundle": "webpack --config ../../scripts/bundle.config.js", | ||
"prepublishOnly": "npm run build-bundle && npm run build-bundle -- --env.dev" | ||
}, | ||
"peerDependencies": { | ||
"@deck.gl/core": "^7.3.3", | ||
"@luma.gl/core": "^7.3.2" | ||
} | ||
} |
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// Copyright (c) 2015 - 2019 Uber Technologies, Inc. | ||
// | ||
// Permission is hereby granted, free of charge, to any person obtaining a copy | ||
// of this software and associated documentation files (the "Software"), to deal | ||
// in the Software without restriction, including without limitation the rights | ||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
// copies of the Software, and to permit persons to whom the Software is | ||
// furnished to do so, subject to the following conditions: | ||
// | ||
// The above copyright notice and this permission notice shall be included in | ||
// all copies or substantial portions of the Software. | ||
// | ||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
// THE SOFTWARE. | ||
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import {Buffer, _Accessor as Accessor} from '@luma.gl/core'; | ||
import {log} from '@deck.gl/core'; | ||
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export default class GPUTable { | ||
constructor(gl, opts) { | ||
this.gl = gl; | ||
this.accessors = {}; | ||
this.buffers = {}; | ||
if ('columns' in opts) { | ||
this.addColumns(opts.columns); | ||
} | ||
} | ||
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// Takes an object where key is the name of the colum and value is an object {data, type, size, ..} | ||
addColumns(columns) { | ||
for (const name in columns) { | ||
log.assert(!this.buffers[name]); | ||
const {accessor, buffer, data} = columns[name]; | ||
log.assert(buffer || data); | ||
this.accessors[name] = accessor || Accessor.resolve(columns[name]); | ||
this.buffers[name] = | ||
buffer || | ||
new Buffer(this.gl, { | ||
data: columns[name].data, | ||
accessor: this.accessors[name] | ||
}); | ||
} | ||
} | ||
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// takes one ora array of column names to be deleted | ||
removeColumns(name) { | ||
const names = Array.isArray(name) ? name : [name]; | ||
for (const n of names) { | ||
if (n in this.buffers) { | ||
this.buffers[n].delete(); | ||
delete this.buffers[n]; | ||
delete this.accessors[n]; | ||
} | ||
} | ||
} | ||
} |
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// Copyright (c) 2015 - 2019 Uber Technologies, Inc. | ||
// | ||
// Permission is hereby granted, free of charge, to any person obtaining a copy | ||
// of this software and associated documentation files (the "Software"), to deal | ||
// in the Software without restriction, including without limitation the rights | ||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
// copies of the Software, and to permit persons to whom the Software is | ||
// furnished to do so, subject to the following conditions: | ||
// | ||
// The above copyright notice and this permission notice shall be included in | ||
// all copies or substantial portions of the Software. | ||
// | ||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
// THE SOFTWARE. | ||
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// should create a new column based on mapping and gpuTable. | ||
import {Buffer, Transform, _Accessor as Accessor} from '@luma.gl/core'; | ||
import {log} from '@deck.gl/core'; | ||
import GL from '@luma.gl/constants'; | ||
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export default function gpuTransform(gpuTable, mappings) { | ||
// TODO: For now hardcoding everything for position | ||
const longitudeBuffer = gpuTable.buffers.longitude; | ||
const latitudeBuffer = gpuTable.buffers.latitude; | ||
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const byteLength = longitudeBuffer.byteLength * 3; | ||
const positionAccessor = Accessor.resolve({size: 3, type: GL.FLOAT}); | ||
const positionBuffer = new Buffer(gpuTable.gl, {byteLength, accessor: positionAccessor}); | ||
const targetAccessors = {position: positionAccessor}; | ||
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const {inject, varyings} = getShaderOptions(gpuTable, mappings, targetAccessors); | ||
const transform = new Transform(gpuTable.gl, { | ||
sourceBuffers: { | ||
longitude: longitudeBuffer, | ||
latitude: latitudeBuffer | ||
}, | ||
feedbackBuffers: { | ||
position: positionBuffer | ||
}, | ||
varyings, | ||
inject, | ||
elementCount: longitudeBuffer.getElementCount(), | ||
vs: 'void main() {}' | ||
}); | ||
transform.run(); | ||
transform.delete(); | ||
gpuTable.addColumns({position: {buffer: positionBuffer, accessor: positionAccessor}}); | ||
return; | ||
} | ||
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function getShaderOptions(gpuTable, mappings, targetAccessors) { | ||
let columns = []; | ||
let glslCode = ''; | ||
let declarations = ''; | ||
const varyings = []; | ||
for (const target in mappings) { | ||
if (mappings[target].sourceColumns) { | ||
columns = columns.concat(mappings[target].sourceColumns); | ||
} | ||
glslCode = `${glslCode}${mappings[target].glslCode}\n`; | ||
const accessor = targetAccessors[target]; | ||
const type = getType(accessor); | ||
declarations = `${declarations}varying ${type} ${target};\n`; | ||
varyings.push(target); | ||
} | ||
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// filter out duplicates | ||
columns = new Set(columns); | ||
columns.forEach(column => { | ||
const accessor = gpuTable.accessors[column]; | ||
const type = getType(accessor); | ||
declarations = `${declarations}attribute ${type} ${column};\n`; | ||
}); | ||
return { | ||
inject: { | ||
'vs:#decl': declarations, | ||
'vs:#main-start': glslCode | ||
}, | ||
varyings | ||
}; | ||
} | ||
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// TODO | ||
// Utility methods that can be moved to some global scope | ||
// or just any existing luma.gl shadertools methods | ||
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function getType(accessor) { | ||
switch (accessor.type) { | ||
case GL.FLOAT: | ||
switch (accessor.size) { | ||
case 1: | ||
return 'float'; | ||
case 2: | ||
return 'vec2'; | ||
case 3: | ||
return 'vec3'; | ||
case 4: | ||
return 'vec4'; | ||
default: | ||
// invalid size | ||
log.assert(false); | ||
break; | ||
} | ||
break; | ||
default: | ||
// TODO: add other cases | ||
log.assert(false); | ||
break; | ||
} | ||
return null; | ||
} |
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export {default as GPUTable} from './gpu-table'; |
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// Copyright (c) 2015 - 2019 Uber Technologies, Inc. | ||
// | ||
// Permission is hereby granted, free of charge, to any person obtaining a copy | ||
// of this software and associated documentation files (the "Software"), to deal | ||
// in the Software without restriction, including without limitation the rights | ||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
// copies of the Software, and to permit persons to whom the Software is | ||
// furnished to do so, subject to the following conditions: | ||
// | ||
// The above copyright notice and this permission notice shall be included in | ||
// all copies or substantial portions of the Software. | ||
// | ||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
// THE SOFTWARE. | ||
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import test from 'tape-catch'; | ||
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// import GPUTable from '@deck.gl/gpu-table'; | ||
// TODO: fix import path | ||
import GPUTable from '../../../modules/gpu-table/src/gpu-table'; | ||
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import {isWebGL2} from '@luma.gl/core'; | ||
import {gl} from '@deck.gl/test-utils'; | ||
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test('GPUTable#imports', t => { | ||
t.equals(typeof GPUTable, 'function', 'GPUTable import successful'); | ||
t.end(); | ||
}); | ||
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test('GPUTable#addColumns', t => { | ||
const LONGITUDES = [1.0, 2.0, 3.0]; | ||
const LATITUDES = [11.0, 12.0, 13.0]; | ||
const RADIUS = [10, 20, 30]; | ||
const gpuTable = new GPUTable(gl, { | ||
columns: { | ||
longitude: {data: new Float32Array(LONGITUDES)}, | ||
latitude: {data: new Float32Array(LATITUDES)} | ||
} | ||
}); | ||
gpuTable.addColumns({ | ||
radius: {data: new Float32Array(RADIUS)} | ||
}); | ||
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t.ok(gpuTable.buffers.longitude, 'should create longitude Buffer'); | ||
t.ok(gpuTable.buffers.latitude, 'should create latitude Buffer'); | ||
t.ok(gpuTable.buffers.radius, 'should create radius Buffer'); | ||
t.ok(gpuTable.accessors.longitude, 'should create longitude Accessor'); | ||
t.ok(gpuTable.accessors.latitude, 'should create latitude Accessor'); | ||
t.ok(gpuTable.accessors.radius, 'should create radius Accessor'); | ||
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// Buffer.getData() is WebGL2 only | ||
if (isWebGL2(gl)) { | ||
t.deepEqual( | ||
gpuTable.buffers.longitude.getData(), | ||
LONGITUDES, | ||
'should setup correct data for longitude Buffer' | ||
); | ||
t.deepEqual( | ||
gpuTable.buffers.latitude.getData(), | ||
LATITUDES, | ||
'should setup correct data for longitude Buffer' | ||
); | ||
t.deepEqual( | ||
gpuTable.buffers.radius.getData(), | ||
RADIUS, | ||
'should setup correct data for longitude Buffer' | ||
); | ||
} | ||
t.end(); | ||
}); | ||
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test('GPUTable#removeColumns', t => { | ||
const LONGITUDES = [1.0, 2.0, 3.0]; | ||
const LATITUDES = [11.0, 12.0, 13.0]; | ||
const RADIUS = [10, 20, 30]; | ||
const gpuTable = new GPUTable(gl, { | ||
columns: { | ||
longitude: {data: new Float32Array(LONGITUDES)}, | ||
latitude: {data: new Float32Array(LATITUDES)} | ||
} | ||
}); | ||
gpuTable.addColumns({ | ||
radius: {data: new Float32Array(RADIUS)} | ||
}); | ||
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gpuTable.removeColumns(['longitude', 'radius']); | ||
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t.notOk(gpuTable.buffers.longitude, 'should have deleted longitude Buffer'); | ||
t.ok(gpuTable.buffers.latitude, "shouldn't delete latitude Buffer"); | ||
t.notOk(gpuTable.buffers.radius, 'should have deleted radius Buffer'); | ||
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gpuTable.removeColumns('latitude'); | ||
t.notOk(gpuTable.buffers.latitude, 'should have deleted latitude Buffer'); | ||
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t.end(); | ||
}); |
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