broken

bin/gpu-core.js

@@ -5,12 +5,12 @@
  * GPU Accelerated JavaScript
  *
  * @version 1.10.4
- * @date Sun Nov 18 2018 15:47:22 GMT-0500 (EST)
+ * @date Sun Feb 10 2019 20:40:25 GMT-0600 (Central Standard Time)
  *
  * @license MIT
  * The MIT License
  *
- * Copyright (c) 2018 gpu.js Team
+ * Copyright (c) 2019 gpu.js Team
  */
 "use strict";(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
 'use strict';

bin/gpu-core.min.js

@@ -5,11 +5,11 @@
  * GPU Accelerated JavaScript
  *
  * @version 1.10.4
- * @date Sun Nov 18 2018 15:47:22 GMT-0500 (EST)
+ * @date Sun Feb 10 2019 20:40:25 GMT-0600 (Central Standard Time)
  *
  * @license MIT
  * The MIT License
  *
- * Copyright (c) 2018 gpu.js Team
+ * Copyright (c) 2019 gpu.js Team
  */
 "use strict";!function(){function e(n,t,r){function i(u,a){if(!t[u]){if(!n[u]){var l="function"==typeof require&&require;if(!a&&l)return l(u,!0);if(o)return o(u,!0);var f=new Error("Cannot find module '"+u+"'");throw f.code="MODULE_NOT_FOUND",f}var c=t[u]={exports:{}};n[u][0].call(c.exports,function(e){var t=n[u][1][e];return i(t||e)},c,c.exports,e,n,t,r)}return t[u].exports}for(var o="function"==typeof require&&require,u=0;u<r.length;u++)i(r[u]);return i}return e}()({1:[function(e,n,t){function r(e,n){if(!(e instanceof n))throw new TypeError("Cannot call a class as a function")}var i=function(){function e(e,n){for(var t=0;t<n.length;t++){var r=n[t];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}return function(n,t,r){return t&&e(n.prototype,t),r&&e(n,r),n}}();e("./utils-core");n.exports=function(){function e(){r(this,e)}return i(e,null,[{key:"validateKernelObj",value:function(e){if(null===e)throw"KernelObj being validated is NULL";if("string"==typeof e){try{e=JSON.parse(e)}catch(n){throw console.error(n),"Failed to convert KernelObj from JSON string"}if(null===e)throw"Invalid (NULL) KernelObj JSON string representation"}if(e.isKernelObj!==!0)throw"Failed missing isKernelObj flag check";return e}},{key:"loadKernelObj",value:function(e,n){e=validateKernelObj(e)}}]),e}()},{"./utils-core":2}],2:[function(e,n,t){function r(e,n){if(!(e instanceof n))throw new TypeError("Cannot call a class as a function")}var i=function(){function e(e,n){for(var t=0;t<n.length;t++){var r=n[t];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}return function(n,t,r){return t&&e(n.prototype,t),r&&e(n,r),n}}(),o=function(){function e(){r(this,e)}return i(e,null,[{key:"isCanvas",value:function(e){return null!==e&&(e.nodeName&&e.getContext&&"CANVAS"===e.nodeName.toUpperCase()||"undefined"!=typeof OffscreenCanvas&&e instanceof OffscreenCanvas)}},{key:"isCanvasSupported",value:function(){return u}},{key:"initCanvas",value:function(){if(!u)return null;var e="undefined"!=typeof document?document.createElement("canvas"):new OffscreenCanvas(0,0);return e.width=2,e.height=2,e}},{key:"isWebGl",value:function(e){return e&&"function"==typeof e.getExtension}},{key:"isWebGl2",value:function(e){return e&&"undefined"!=typeof WebGL2RenderingContext&&e instanceof WebGL2RenderingContext}},{key:"isWebGlSupported",value:function(){return f}},{key:"isWebGl2Supported",value:function(){return c}},{key:"isWebGlDrawBuffersSupported",value:function(){return s}},{key:"initWebGlDefaultOptions",value:function(){return{alpha:!1,depth:!1,antialias:!1}}},{key:"initWebGl",value:function(n){if(("undefined"!=typeof u||null===n)&&!u)return null;if(!e.isCanvas(n))throw new Error("Invalid canvas object - "+n);var t=null,r=e.initWebGlDefaultOptions();try{t=n.getContext("experimental-webgl",r)}catch(i){}return null===t&&(t=n.getContext("webgl2",r)||n.getContext("webgl",r)),t&&(t.OES_texture_float=t.getExtension("OES_texture_float"),t.OES_texture_float_linear=t.getExtension("OES_texture_float_linear"),t.OES_element_index_uint=t.getExtension("OES_element_index_uint")),t}},{key:"initWebGl2",value:function(n){if(("undefined"!=typeof u||null===n)&&!u)return null;if(!e.isCanvas(n))throw new Error("Invalid canvas object - "+n);return n.getContext("webgl2",e.initWebGlDefaultOptions())}},{key:"checkOutput",value:function(e){if(!e||!Array.isArray(e))throw new Error("kernel.output not an array");for(var n=0;n<e.length;n++)if(isNaN(e[n])||e[n]<1)throw new Error("kernel.output["+n+"] incorrectly defined as `"+e[n]+"`, needs to be numeric, and greater than 0")}}]),e}(),u="undefined"!=typeof document?o.isCanvas(document.createElement("canvas")):"undefined"!=typeof OffscreenCanvas,a=o.initWebGl(o.initCanvas()),l=o.initWebGl2(o.initCanvas()),f=o.isWebGl(a),c=o.isWebGl2(l),s=f&&Boolean(a.getExtension("WEBGL_draw_buffers"));f?(o.OES_texture_float=a.OES_texture_float,o.OES_texture_float_linear=a.OES_texture_float_linear,o.OES_element_index_uint=a.OES_element_index_uint):(o.OES_texture_float=!1,o.OES_texture_float_linear=!1,o.OES_element_index_uint=!1),n.exports=o},{}],3:[function(e,n,t){var r=e("./core/gpu-core");"undefined"!=typeof n&&(n.exports=r),"undefined"!=typeof window&&(window.GPUCore=r,null===window.GPU&&(window.GPU=r))},{"./core/gpu-core":1}]},{},[3]);

dist/backend/kernel-base.js

@@ -11,13 +11,13 @@ module.exports = function () {
 
 	/**
   * @constructor KernelBase
-  * 
-  * @desc Implements the base class for Kernels, and is used as a 
+  *
+  * @desc Implements the base class for Kernels, and is used as a
   * parent class for all Kernel implementations.
   *
-  * This contains the basic methods needed by all Kernel implementations, 
+  * This contains the basic methods needed by all Kernel implementations,
   * like setDimensions, addSubKernel, etc.
-  * 
+  *
   * @prop {Array} paramNames - Name of the parameters of the kernel function
   * @prop {String} fnString - Kernel function as a String
   * @prop {Array} dimensions - Dimensions of the kernel function, this.thread.x, etc.
@@ -64,6 +64,8 @@ module.exports = function () {
 		this.paramSizes = null;
 		this.constantTypes = null;
 		this.fixIntegerDivisionAccuracy = null;
+		this.constrainStart = null;
+		this.constrainEnd = null;
 
 		for (var p in settings) {
 			if (!settings.hasOwnProperty(p) || !this.hasOwnProperty(p)) continue;
@@ -198,6 +200,42 @@ module.exports = function () {
 		/**
    * @memberOf KernelBase#
    * @function
+   * @name constrain
+   *
+   * @desc constrain kernel to operate on subset quad of matrix
+   *
+   * @param {Array} start - [x, y, z]
+   * @param {Array} end - [x, y, z]
+   *
+   */
+
+	}, {
+		key: 'constrain',
+		value: function constrain(start, end) {
+			this.constrainStart = start || null;
+			this.constrainEnd = end || null;
+			return this;
+		}
+
+		/**
+   * @memberOf KernelBase#
+   * @function
+   * @name deconstrain
+   *
+   * @desc remove constraint on kernelin order to operate on entire matrix
+   */
+
+	}, {
+		key: 'deconstrain',
+		value: function deconstrain() {
+			this.constrainStart = null;
+			this.constrainEnd = null;
+			return this;
+		}
+
+		/**
+   * @memberOf KernelBase#
+   * @function
    * @name setLoopMaxIterations
    *
    * @desc Set the maximum number of loop iterations
@@ -220,7 +258,7 @@ module.exports = function () {
    *
    * @desc Fix division by factor of 3 FP accuracy bug
    *
-   * @param {Boolean} fix - should fix 
+   * @param {Boolean} fix - should fix
    *
    */
 
@@ -318,7 +356,7 @@ module.exports = function () {
    * @name setCanvas
    *
    * @desc Bind the canvas to kernel
-   * 
+   *
    * @param {Canvas} canvas - Canvas to bind
    *
    */
@@ -336,7 +374,7 @@ module.exports = function () {
    * @name setCanvas
    *
    * @desc Bind the webGL instance to kernel
-   * 
+   *
    * @param {Canvas} webGL - webGL instance to bind
    *
    */
@@ -412,7 +450,7 @@ module.exports = function () {
 			});
 		}
 
-		/** 
+		/**
    * @memberOf KernelBase#
    * @function
    * @name addSubKernel
@@ -436,7 +474,7 @@ module.exports = function () {
 			return this;
 		}
 
-		/** 
+		/**
    * @memberOf KernelBase#
    * @function
    * @name addSubKernelProperty

dist/backend/web-gl/kernel.js

@@ -343,6 +343,50 @@ module.exports = function (_KernelBase) {
 				this._addArgument(arguments[texIndex], paramTypes[texIndex], paramNames[texIndex]);
 			}
 
+			if (this.constrainStart || this.constrainEnd) {
+
+				gl.bindRenderbuffer(gl.RENDERBUFFER, null);
+				gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer);
+
+				if (this.constrainStart) {} else {}
+				if (this.constrainEnd) {} else {}
+				var vertices = [-0.5, 0.5, 0.0, -0.5, -0.5, 0.0, 0.5, -0.5, 0.0, 0.5, 0.5, 0.0];
+
+				var indices = [3, 2, 1, 3, 1, 0];
+
+				// Create an empty buffer object to store vertex buffer
+				var vertex_buffer = gl.createBuffer();
+
+				// Bind appropriate array buffer to it
+				gl.bindBuffer(gl.ARRAY_BUFFER, vertex_buffer);
+
+				// Pass the vertex data to the buffer
+				gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
+
+				// Unbind the buffer
+				gl.bindBuffer(gl.ARRAY_BUFFER, null);
+
+				// Create an empty buffer object to store Index buffer
+				var Index_Buffer = gl.createBuffer();
+
+				// Bind appropriate array buffer to it
+				gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, Index_Buffer);
+
+				// Pass the vertex data to the buffer
+				gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(indices), gl.STATIC_DRAW);
+
+				// Unbind the buffer
+				gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null);
+
+				// original
+
+				gl.bindRenderbuffer(gl.RENDERBUFFER, null);
+				gl.bindFramebuffer(gl.FRAMEBUFFER, null);
+				gl.drawArrays(gl.TRIANGLES, 0, 6);
+				this._setupOutputTexture();
+				return this.renderOutput(this.outputTexture);
+			}
+
 			if (this.graphical) {
 				if (this.outputToTexture) {
 					gl.bindRenderbuffer(gl.RENDERBUFFER, null);

dist/backend/web-gl/runner.js

@@ -19,7 +19,8 @@ module.exports = function (_RunnerBase) {
   * @constructor WebGLRunner
   *
  	 * @extends RunnerBase
-  	 * @desc Instantiates a Runner instance for the kernel.
+ 
+ 	 * @desc Instantiates a Runner instance for the kernel.
   * 
   * @param {Object} settings - Settings to instantiate properties in RunnerBase, with given values
   *

dist/backend/web-gl2/kernel.js

@@ -139,6 +139,49 @@ module.exports = function (_WebGLKernel) {
 				this._addArgument(arguments[texIndex], paramTypes[texIndex], paramNames[texIndex]);
 			}
 
+			if (this.constrainStart || this.constrainEnd) {
+
+				gl.bindRenderbuffer(gl.RENDERBUFFER, null);
+				gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer);
+
+				if (this.constrainStart) {} else {}
+				if (this.constrainEnd) {} else {}
+				var vertices = [-0.5, 0.5, 0.0, -0.5, -0.5, 0.0, 0.5, -0.5, 0.0, 0.5, 0.5, 0.0];
+
+				var indices = [3, 2, 1, 3, 1, 0];
+
+				// Create an empty buffer object to store vertex buffer
+				var vertex_buffer = gl.createBuffer();
+
+				// Bind appropriate array buffer to it
+				gl.bindBuffer(gl.ARRAY_BUFFER, vertex_buffer);
+
+				// Pass the vertex data to the buffer
+				gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
+
+				// Unbind the buffer
+				gl.bindBuffer(gl.ARRAY_BUFFER, null);
+
+				// Create an empty buffer object to store Index buffer
+				var Index_Buffer = gl.createBuffer();
+
+				// Bind appropriate array buffer to it
+				gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, Index_Buffer);
+
+				// Pass the vertex data to the buffer
+				gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(indices), gl.STATIC_DRAW);
+
+				// Unbind the buffer
+				gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null);
+
+				// original
+
+				gl.bindRenderbuffer(gl.RENDERBUFFER, null);
+				gl.bindFramebuffer(gl.FRAMEBUFFER, null);
+				gl.drawArrays(gl.TRIANGLES, 0, 6);
+				return;
+			}
+
 			if (this.graphical) {
 				if (this.outputToTexture) {
 					gl.bindRenderbuffer(gl.RENDERBUFFER, null);

dist/backend/web-gl2/runner.js

@@ -19,7 +19,8 @@ module.exports = function (_RunnerBase) {
   * @constructor WebGL2Runner
   *
   * @extends RunnerBase
- 	 * @desc Instantiates a Runner instance for the kernel.
+ 
+  * @desc Instantiates a Runner instance for the kernel.
   *
   * @param {Object} settings - Settings to instantiate properties in RunnerBase, with given values
   *

dist/core/utils.js

@@ -657,7 +657,8 @@ var Utils = function (_UtilsCore) {
    * @param {Array} array - The array to split into chunks
    * @param {Array} part - elements in one chunk
    *
-  	 * @returns {Array} An array of smaller chunks
+  
+   * @returns {Array} An array of smaller chunks
    *
    */
 

src/backend/kernel-base.js

@@ -449,4 +449,4 @@ module.exports = class KernelBase {
 	destroy() {
 
 	}
-};
+};

src/backend/kernel-run-shortcut.js

@@ -31,4 +31,4 @@ module.exports = function kernelRunShortcut(kernel) {
 	shortcut.kernel = kernel;
 
 	return shortcut;
-};
+};

src/backend/web-gl/kernel.js

@@ -320,6 +320,61 @@ module.exports = class WebGLKernel extends KernelBase {
 			this._addArgument(arguments[texIndex], paramTypes[texIndex], paramNames[texIndex]);
 		}
 
+		if (this.constrainStart || this.constrainEnd) {
+
+			gl.bindRenderbuffer(gl.RENDERBUFFER, null);
+			gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer);
+
+			if (this.constrainStart) {
+
+			} else {
+
+			}
+			if (this.constrainEnd) {
+
+			} else {
+
+			}
+			var vertices = [-0.5, 0.5, 0.0, -0.5, -0.5, 0.0,
+				0.5, -0.5, 0.0,
+				0.5, 0.5, 0.0
+			];
+
+			var indices = [3, 2, 1, 3, 1, 0];
+
+			// Create an empty buffer object to store vertex buffer
+			var vertex_buffer = gl.createBuffer();
+
+			// Bind appropriate array buffer to it
+			gl.bindBuffer(gl.ARRAY_BUFFER, vertex_buffer);
+
+			// Pass the vertex data to the buffer
+			gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
+
+			// Unbind the buffer
+			gl.bindBuffer(gl.ARRAY_BUFFER, null);
+
+			// Create an empty buffer object to store Index buffer
+			var Index_Buffer = gl.createBuffer();
+
+			// Bind appropriate array buffer to it
+			gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, Index_Buffer);
+
+			// Pass the vertex data to the buffer
+			gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(indices), gl.STATIC_DRAW);
+
+			// Unbind the buffer
+			gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null);
+
+			// original
+
+			gl.bindRenderbuffer(gl.RENDERBUFFER, null);
+			gl.bindFramebuffer(gl.FRAMEBUFFER, null);
+			gl.drawArrays(gl.TRIANGLES, 0, 6);
+			this._setupOutputTexture();
+			return this.renderOutput(this.outputTexture);
+		}
+
 		if (this.graphical) {
 			if (this.outputToTexture) {
 				gl.bindRenderbuffer(gl.RENDERBUFFER, null);

src/backend/web-gl2/kernel.js

@@ -125,7 +125,7 @@ module.exports = class WebGL2Kernel extends WebGLKernel {
 
 			gl.bindRenderbuffer(gl.RENDERBUFFER, null);
 			gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer);
-			
+
 			if (this.constrainStart) {
 
 			} else {
@@ -136,38 +136,36 @@ module.exports = class WebGL2Kernel extends WebGLKernel {
 			} else {
 
 			}
-			var vertices = [
-				-0.5, 0.5, 0.0,
-        -0.5, -0.5,	0.0,
-        0.5, -0.5, 0.0,
-      	0.5, 0.5, 0.0
+			var vertices = [-0.5, 0.5, 0.0, -0.5, -0.5, 0.0,
+				0.5, -0.5, 0.0,
+				0.5, 0.5, 0.0
 			];
 
-      indices = [3, 2, 1, 3, 1, 0];
+			var indices = [3, 2, 1, 3, 1, 0];
 
-      // Create an empty buffer object to store vertex buffer
-    	var vertex_buffer = gl.createBuffer();
+			// Create an empty buffer object to store vertex buffer
+			var vertex_buffer = gl.createBuffer();
 
-      // Bind appropriate array buffer to it
-      gl.bindBuffer(gl.ARRAY_BUFFER, vertex_buffer);
+			// Bind appropriate array buffer to it
+			gl.bindBuffer(gl.ARRAY_BUFFER, vertex_buffer);
 
-      // Pass the vertex data to the buffer
-      gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
+			// Pass the vertex data to the buffer
+			gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
 
-      // Unbind the buffer
-      gl.bindBuffer(gl.ARRAY_BUFFER, null);
+			// Unbind the buffer
+			gl.bindBuffer(gl.ARRAY_BUFFER, null);
 
-      // Create an empty buffer object to store Index buffer
-      var Index_Buffer = gl.createBuffer();
+			// Create an empty buffer object to store Index buffer
+			var Index_Buffer = gl.createBuffer();
 
-      // Bind appropriate array buffer to it
-      gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, Index_Buffer);
+			// Bind appropriate array buffer to it
+			gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, Index_Buffer);
 
-      // Pass the vertex data to the buffer
-      gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(indices), gl.STATIC_DRAW);
+			// Pass the vertex data to the buffer
+			gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(indices), gl.STATIC_DRAW);
 
-     	// Unbind the buffer
-      gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null);
+			// Unbind the buffer
+			gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null);
 
 			// original
 
@@ -1047,4 +1045,4 @@ module.exports = class WebGL2Kernel extends WebGLKernel {
 		}
 		return this.compiledVertShaderString = this.constructor.vertShaderString;
 	}
-};
+};

test/all.html

@@ -26,6 +26,7 @@
   <script src="features/constants-image-array.js"></script>
   <script src="features/constants-integer.js"></script>
   <script src="features/constants-texture.js"></script>
+  <script src="features/constrain.js"></script>
   <script src="features/create-kernel-map.js"></script>
   <script src="features/demo.js"></script>
   <script src="features/float-output.js"></script>

test/features/constrain.js

@@ -4,7 +4,7 @@
     var f = gpu.createKernel(function() {
       return 255;
     }, {
-      output : [4, 4, 3]
+      output : [3, 4, 4]
     });
     let x = 2;
     let y = 2;