dreemgl

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DreemGL is an open-source multi-screen prototyping framework for mediated environments, with a visual editor and shader styling for webGL and DALi runtimes written in JavaScript. As a toolkit for gpu-accelerated multiscreen development, DreemGL includes

dreemproject.org

dreemproject/dreemgl

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<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>CodeRay output</title> <style type="text/css"> .CodeRay .line-numbers a { text-decoration: inherit; color: inherit; } body { background-color: white; padding: 0; margin: 0; } .CodeRay { background-color: hsl(0,0%,95%); border: 1px solid silver; color: black; } .CodeRay pre { margin: 0px; } span.CodeRay { white-space: pre; border: 0px; padding: 2px; } table.CodeRay { border-collapse: collapse; width: 100%; padding: 2px; } table.CodeRay td { padding: 2px 4px; vertical-align: top; } .CodeRay .line-numbers { background-color: hsl(180,65%,90%); color: gray; text-align: right; -webkit-user-select: none; -moz-user-select: none; user-select: none; } .CodeRay .line-numbers a { background-color: hsl(180,65%,90%) !important; color: gray !important; text-decoration: none !important; } .CodeRay .line-numbers pre { word-break: normal; } .CodeRay .line-numbers a:target { color: blue !important; } .CodeRay .line-numbers .highlighted { color: red !important; } .CodeRay .line-numbers .highlighted a { color: red !important; } .CodeRay span.line-numbers { padding: 0px 4px; } .CodeRay .line { display: block; float: left; width: 100%; } .CodeRay .code { width: 100%; } .CodeRay .debug { color: white !important; background: blue !important; } .CodeRay .annotation { color:#007 } .CodeRay .attribute-name { color:#b48 } .CodeRay .attribute-value { color:#700 } .CodeRay .binary { color:#549 } .CodeRay .binary .char { color:#325 } .CodeRay .binary .delimiter { color:#325 } .CodeRay .char { color:#D20 } .CodeRay .char .content { color:#D20 } .CodeRay .char .delimiter { color:#710 } .CodeRay .class { color:#B06; font-weight:bold } .CodeRay .class-variable { color:#369 } .CodeRay .color { color:#0A0 } .CodeRay .comment { color:#777 } .CodeRay .comment .char { color:#444 } .CodeRay .comment .delimiter { color:#444 } .CodeRay .constant { color:#036; font-weight:bold } .CodeRay .decorator { color:#B0B } .CodeRay .definition { color:#099; font-weight:bold } .CodeRay .delimiter { color:black } .CodeRay .directive { color:#088; font-weight:bold } .CodeRay .docstring { color:#D42; } .CodeRay .doctype { color:#34b } .CodeRay .done { text-decoration: line-through; color: gray } .CodeRay .entity { color:#800; font-weight:bold } .CodeRay .error { color:#F00; background-color:#FAA } .CodeRay .escape { color:#666 } .CodeRay .exception { color:#C00; font-weight:bold } .CodeRay .float { color:#60E } .CodeRay .function { color:#06B; font-weight:bold } .CodeRay .function .delimiter { color:#024; font-weight:bold } .CodeRay .global-variable { color:#d70 } .CodeRay .hex { color:#02b } .CodeRay .id { color:#33D; font-weight:bold } .CodeRay .include { color:#B44; font-weight:bold } .CodeRay .inline { background-color: hsla(0,0%,0%,0.07); color: black } .CodeRay .inline-delimiter { font-weight: bold; color: #666 } .CodeRay .instance-variable { color:#33B } .CodeRay .integer { color:#00D } .CodeRay .imaginary { color:#f00 } .CodeRay .important { color:#D00 } .CodeRay .key { color: #606 } .CodeRay .key .char { color: #60f } .CodeRay .key .delimiter { color: #404 } .CodeRay .keyword { color:#080; font-weight:bold } .CodeRay .label { color:#970; font-weight:bold } .CodeRay .local-variable { color:#950 } .CodeRay .map .content { color:#808 } .CodeRay .map .delimiter { color:#40A} .CodeRay .map { background-color:hsla(200,100%,50%,0.06); } .CodeRay .namespace { color:#707; font-weight:bold } .CodeRay .octal { color:#40E } .CodeRay .operator { } .CodeRay .predefined { color:#369; font-weight:bold } .CodeRay .predefined-constant { color:#069 } .CodeRay .predefined-type { color:#0a8; font-weight:bold } .CodeRay .preprocessor { color:#579 } .CodeRay .pseudo-class { color:#00C; font-weight:bold } .CodeRay .regexp { background-color:hsla(300,100%,50%,0.06); } .CodeRay .regexp .content { color:#808 } .CodeRay .regexp .delimiter { color:#404 } .CodeRay .regexp .modifier { color:#C2C } .CodeRay .reserved { color:#080; font-weight:bold } .CodeRay .shell { background-color:hsla(120,100%,50%,0.06); } .CodeRay .shell .content { color:#2B2 } .CodeRay .shell .delimiter { color:#161 } .CodeRay .string { background-color:hsla(0,100%,50%,0.05); } .CodeRay .string .char { color: #b0b } .CodeRay .string .content { color: #D20 } .CodeRay .string .delimiter { color: #710 } .CodeRay .string .modifier { color: #E40 } .CodeRay .symbol { color:#A60 } .CodeRay .symbol .content { color:#A60 } .CodeRay .symbol .delimiter { color:#740 } .CodeRay .tag { color:#070; font-weight:bold } .CodeRay .type { color:#339; font-weight:bold } .CodeRay .value { color: #088 } .CodeRay .variable { color:#037 } .CodeRay .insert { background: hsla(120,100%,50%,0.12) } .CodeRay .delete { background: hsla(0,100%,50%,0.12) } .CodeRay .change { color: #bbf; background: #007 } .CodeRay .head { color: #f8f; background: #505 } .CodeRay .head .filename { color: white; } .CodeRay .delete .eyecatcher { background-color: hsla(0,100%,50%,0.2); border: 1px solid hsla(0,100%,45%,0.5); margin: -1px; border-bottom: none; border-top-left-radius: 5px; border-top-right-radius: 5px; } .CodeRay .insert .eyecatcher { background-color: hsla(120,100%,50%,0.2); border: 1px solid hsla(120,100%,25%,0.5); margin: -1px; border-top: none; border-bottom-left-radius: 5px; border-bottom-right-radius: 5px; } .CodeRay .insert .insert { color: #0c0; background:transparent; font-weight:bold } .CodeRay .delete .delete { color: #c00; background:transparent; font-weight:bold } .CodeRay .change .change { color: #88f } .CodeRay .head .head { color: #f4f } .CodeRay { border: none; } </style> </head> <body> <table class="CodeRay"><tr> <td class="line-numbers"><pre><a href="#n1" name="n1">1</a> <a href="#n2" name="n2">2</a> <a href="#n3" name="n3">3</a> <a href="#n4" name="n4">4</a> <a href="#n5" name="n5">5</a> <a href="#n6" name="n6">6</a> <a href="#n7" name="n7">7</a> <a href="#n8" name="n8">8</a> <a href="#n9" 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Copyright 2015-2016 Teeming Society. Licensed under the Apache License, Version 2.0 (the "License"); You may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.*/ define.class('$system/base/texture', function(require, exports){ // internal, DaliApi is a static object to access the dali api DaliApi = require('./dali_api') var Texture = exports Texture.GlobalId = 0 Texture.Image = function(path) { //console.log('setting path to ', path); this.path = path; } // Map hash of texture to an existing texture Texture.Cache = {}; fs = require('fs'); this.atConstructor = function(type, w, h, device){ this.id = ++Texture.GlobalId; this.device = device this.type = type this.size = vec2(w, h) } this.ratio = 1 this.frame_buf = null Texture.fromStub = function(stub){ return Texture.buildDaliTexture(stub.array, stub.type, stub.size[0], stub.size[1]); } Texture.fromType = function(type){ //console.log('********** fromType', type); return new Texture(type,0,0) } // Load from a local image file. Returns the Texture Texture.fromLocalImage = function(path){ var dali = DaliApi.dali; var img = new dali.ResourceImage({url: path}); var tex = new Texture(Texture.RGBA, img.getWidth(), img.getHeight()) tex.path = path; tex.image = img if (DaliApi.emitcode) { console.log('DALICODE: var texture' + tex.id + ' = new dali.ResourceImage({url: \'' + path + '\'});'); } return tex } // Load texture from a local file or remote url. // If imagedata is a texture, it is returned immediately. // If the image is loaded remotely, the callback function is called when // the texture is loaded. Texture.fromImage = function(imagedata, callback){ // Return immediately if a texture was specified if (imagedata.image || imagedata.array) return imagedata; var dali = DaliApi.dali; // With dali, the references should either be absolute, or relative // to the path where dali runs. var fullpath = imagedata.path; if (!fullpath) { console.error('Error: Use require() to load images for DALi platform'); return new Texture(Texture.RGBA, 0, 0); } if (imagedata.path[0] !== '/') fullpath = define.$example + fullpath; if (fullpath.indexOf('http') < 0) { // Local assets return Texture.fromLocalImage(fullpath); } // Remote assets are loaded into the cache var localpath = define.mapToCacheDir(fullpath); try { if (fs.statSync(localpath).isFile()) { // File is already in the cache return Texture.fromLocalImage(localpath); } } catch (e) { } // Load the image into the cache. define.httpGetCached(fullpath).then(function(result){ var img = new dali.ResourceImage({url: result.path}); var tex = new Texture(Texture.RGBA, img.getWidth(), img.getHeight()); tex.image = img; if (callback) callback(tex); }); } Texture.fromArray = function(array, w, h){ return Texture.buildDaliTexture(array, Texture.RGBA, w, h); } // Construct a texture from a ArrayBuffer, with a width/height (DALI) Texture.buildDaliTexture = function(array, type, w, h){ var dali = DaliApi.dali; var tex = new Texture(type, w, h) tex.array = array // Dali wants a byte array. Use a checksum + size to cache the data var uint8 = new Uint8Array(array); var sum = 0; var offset = 0; var nbytes = w * h * ((type == Texture.RGBA) ? 4 : 1); for (var i=0; i<nbytes; i++) { sum += uint8[offset++]; } // Cache the texture based upon its size and texture data var texture_key = w + ':' + h + ':' + sum; if (texture_key in Texture.Cache) { tex = Texture.Cache[texture_key]; //console.log('Found cached texture', type, w, h, texture_key); return tex; } //console.log('buildDaliTexture', type, w, h, texture_key); // Support 1-byte per pixel and 4-byte per pixel textures. var pixel_type = (type == Texture.LUMINANCE) ? dali.PIXEL_FORMAT_L8 : dali.PIXEL_FORMAT_RGBA8888; var image_options = { width: w, height: h, pixelFormat : pixel_type }; //console.log('********** fromArray', image_options, uint8.length); var img = new dali.BufferImage(uint8, image_options); tex.image = img; Texture.Cache[texture_key] = tex; if (DaliApi.emitcode) { // Write font_<INDEX>.bin var buffer = new Buffer(uint8); fs.writeFile('font_' + tex.id + '.bin', buffer, 'binary', function(err) { if (err) { console.log('File ERROR', err); throw err; } //console.log('File Saved'); }); console.log('DALICODE: var texture' + tex.id + ';'); console.log('DALICODE: var fs = require(\'fs\');'); console.log('DALICODE: var texturedata' + tex.id + ' = fs.readFileSync(\'font_' + tex.id + '.bin\');'); console.log('DALICODE: var image_options' + tex.id + ' = {width: ' + w + ', height: ' + h + ', pixelFormat : ' + pixel_type + '}'); console.log('DALICODE: var uint8_' + tex.id + ' = new Uint8Array(texturedata' + tex.id + ');'); console.log('DALICODE: var texture' + tex.id + ' = new dali.BufferImage(uint8_' + tex.id + ', image_options' + tex.id + ')'); tex.img = img; } return tex } Texture.createRenderTarget = function(type, width, height, device){ var tex = new Texture(type, width, height, device) tex.initAsRendertarget() return tex } // type flags Texture.RGB = 1 <<0 Texture.RGBA = 1 << 1 Texture.ALPHA = 1 << 3 Texture.DEPTH = 1 << 4 Texture.STENCIL = 1 << 5 Texture.LUMINANCE = 1<< 6 Texture.FLOAT = 1<<10 Texture.HALF_FLOAT = 1<<11 Texture.FLOAT_LINEAR = 1<<12 Texture.HALF_FLOAT_LINEAR = 1<<13 this.typeString = function(){ var str = '' for(var key in Texture){ var value = Texture[key] if(typeof value === 'number' && value & this.type){ if(str) str += '|' str += 'Texture.'+key } } return str } this.initAsRendertarget = function(){ var gl = this.device.gl if(!this.type) this.type = Texture.RGBA|Texture.DEPTH|Texture.STENCIL var type = this.type this.glframe_buf = gl.createFramebuffer() this.gltex = this.IL_AL_SC_TC = gl.createTexture() // our normal render to texture thing gl.bindTexture(gl.TEXTURE_2D, this.gltex) gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST) gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST) gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE) gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE) this.glbuf_type = gl.RGB if(type & Texture.LUMINANCE){ this.glbuf_type = gl.LUMINANCE if(type & TEXTURE.ALPHA) this.glbuf_type = gl.LUMINANCE_ALPHA } else if(type & Texture.ALPHA) this.glbuf_type = gl.ALPHA else if(type & Texture.RGBA) this.glbuf_type = gl.RGBA this.gldata_type = gl.UNSIGNED_BYTE if(type & Texture.HALF_FLOAT_LINEAR){ var ext = gl._getExtension('OES_texture_half_float_linear') if(!ext) throw new Error('No OES_texture_half_float_linear') this.gldata_type = ext.HALF_FLOAT_LINEAR_OES } else if(type & Texture.FLOAT_LINEAR){ var ext = gl._getExtension('OES_texture_float_linear') if(!ext) throw new Error('No OES_texture_float_linear') this.gldata_type = ext.FLOAT_LINEAR_OES } else if(type & Texture.HALF_FLOAT){ var ext = gl._getExtension('OES_texture_half_float') if(!ext) throw new Error('No OES_texture_half_float') this.gldata_type = ext.HALF_FLOAT_OES } else if(type & Texture.HALF_FLOAT){ var ext = gl._getExtension('OES_texture_float') if(!ext) throw new Error('No OES_texture_float') this.gldata_type = gl.FLOAT } // Create a layer object and attach to the texture. This will be // activated when dalidevice#bindFramebuffer is called. The layer's // parent will be the current layer DaliLayer = require('./dali_layer') this.dali_layer = new DaliLayer(DaliApi.currentlayer, this.size[0], this.size[1]); console.log('texturedali.initAsRendertarget texture NOT implemented'); gl.texImage2D(gl.TEXTURE_2D, 0, this.glbuf_type, this.size[0], this.size[1], 0, this.glbuf_type, this.gldata_type, null) gl.bindFramebuffer(gl.FRAMEBUFFER, this.glframe_buf) gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, this.gltex, 0) if(type & Texture.DEPTH || type & Texture.STENCIL){ this.gldepth_buf = gl.createRenderbuffer() this.gldepth_type = gl.DEPTH_COMPONENT16 this.glattach_type = gl.DEPTH_ATTACHMENT if(type & Texture.DEPTH && type & Texture.STENCIL){ this.gldepth_type = gl.DEPTH_STENCIL this.glattach_type = gl.DEPTH_STENCIL_ATTACHMENT } else if(type & Texture.STENCIL){ this.gldepth_type = gl.STENCIL_INDEX this.glattach_type = gl.STENCIL_ATTACHMENT } gl.bindRenderbuffer(gl.RENDERBUFFER, this.gldepth_buf) gl.renderbufferStorage(gl.RENDERBUFFER, this.gldepth_type, this.size[0], this.size[1]) gl.framebufferRenderbuffer(gl.FRAMEBUFFER, this.glattach_type, gl.RENDERBUFFER, this.gldepth_buf) gl.bindRenderbuffer(gl.RENDERBUFFER, null) } gl.bindTexture(gl.TEXTURE_2D, null) gl.bindFramebuffer(gl.FRAMEBUFFER, null) } this.delete = function(){ <span cl