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gpu-core.js
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90 lines (78 loc) · 2.17 KB
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'use strict';
const UtilsCore = require("./utils-core");
/**
* This is a minimalistic version of GPU.js used
* to run precompiled GPU.JS code.
*
* This intentionally excludes the JS AST compiller : which is 400kb alone/
*
* @class GPUCore
*/
module.exports = class GPUCore {
/**
* @name validateKernelObj
* @function
* @static
* @memberOf GPUCore
*
* @description Validates the KernelObj to comply with the defined format
* Note that this does only a limited sanity check, and does not
* guarantee a full working validation.
*
* For the kernel object format see : <kernelObj-format>
*
* @param {Object|String} kernelObj - KernelObj used to validate
*
* @returns {Object} The validated kernel object, converted from JSON if needed
*
*/
static validateKernelObj(kernelObj) {
// NULL validation
if (kernelObj === null) {
throw "KernelObj being validated is NULL";
}
// String JSON conversion
if (typeof kernelObj === "string") {
try {
kernelObj = JSON.parse(kernelObj);
} catch (e) {
console.error(e);
throw "Failed to convert KernelObj from JSON string";
}
// NULL validation
if (kernelObj === null) {
throw "Invalid (NULL) KernelObj JSON string representation";
}
}
// Check for kernel obj flag
if (kernelObj.isKernelObj !== true) {
throw "Failed missing isKernelObj flag check";
}
// Return the validated kernelObj
return kernelObj;
}
/**
* @name loadKernelObj
* @function
* @static
* @memberOf GPUCore
*
* @description Loads the precompiled kernel object. For GPUCore this is the ONLY way to create the kernel.
* To generate the kernelObj use <Kernel.exportKernelObj>
*
* Note that this function calls <validateKernelObj> internally, and throws an exception if it fails.
*
* @see GPUCore.validateKernelObj
* @see Kernel.exportKernelObj
*
* @param {Object} kernelObj - The precompiled kernel object
* @param {Object} inOpt - [Optional] the option overrides to use
*
* @returns {Function} The kernel function
*
*/
static loadKernelObj(kernelObj, inOpt) {
// Validates the kernelObj, throws an exception if it fails
kernelObj = validateKernelObj(kernelObj);
}
};