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- Committer: galaxyAbstractor
- Date: 2013-03-28 14:57:59 UTC
- mto: (4.7.3 GammaBear)
- mto: This revision was merged to the branch mainline in revision 6.
- Revision ID: galaxyabstractor@gmail.com-20130328145759-5psrhd129qknkrw3
Cleaned up shitty code
added
removed
trunk/WebGL and Benchmarking/webgl-helpers.js
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//----------------------------------------------------------
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// helper Globals
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//----------------------------------------------------------
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var shaderProgram;
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var gl;
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var fps=0;
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var fpsmax=0;
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var timecount=0;
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var fpssum=0;
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var fpscount=1;
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var benchtime=0;
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var username="";
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//----------------------------------------------------------
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// getShader collects shader and compiles it. Errors are printed in alert
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//----------------------------------------------------------
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function getShader(gl, id) {
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var shaderScript = document.getElementById(id);
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if (!shaderScript) {
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return null;
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}
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var str = "";
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var k = shaderScript.firstChild;
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while (k) {
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if (k.nodeType == 3) {
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str += k.textContent;
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}
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k = k.nextSibling;
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}
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var shader;
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if (shaderScript.type == "x-shader/x-fragment") {
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shader = gl.createShader(gl.FRAGMENT_SHADER);
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} else if (shaderScript.type == "x-shader/x-vertex") {
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shader = gl.createShader(gl.VERTEX_SHADER);
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} else {
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return null;
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}
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gl.shaderSource(shader, str);
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gl.compileShader(shader);
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if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
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alert(gl.getShaderInfoLog(shader));
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return null;
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}
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return shader;
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}
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//----------------------------------------------------------
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// Matrix stack variables
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//----------------------------------------------------------
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var mvMatrix = mat4.create();
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var mvMatrixStack = [];
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var pMatrix = mat4.create();
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//----------------------------------------------------------
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// Push Matrix
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//----------------------------------------------------------
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function mvPushMatrix() {
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var copy = mat4.create();
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mat4.set(mvMatrix, copy);
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mvMatrixStack.push(copy);
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}
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//----------------------------------------------------------
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// Pop Matrix
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//----------------------------------------------------------
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function mvPopMatrix() {
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if (mvMatrixStack.length == 0) {
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throw "Invalid popMatrix!";
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}
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mvMatrix = mvMatrixStack.pop();
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}
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//----------------------------------------------------------
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// Startup webGL and alert if not available
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//----------------------------------------------------------
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function initGL(canvas) {
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try {
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gl = canvas.getContext("experimental-webgl");
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gl.viewportWidth = canvas.width;
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gl.viewportHeight = canvas.height;
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} catch (e) {
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}if (!gl){
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alert("Could not initialise WebGL, sorry :-(");
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}
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}
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//----------------------------------------------------------
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// Measure fps and update div if available
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//----------------------------------------------------------
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function updatefps(elapsed,fpsdiv)
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{
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if(!isNaN(elapsed)){
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timecount+=(elapsed/1000.0);
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fpssum+=(elapsed/10.0);
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}
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if(elapsed<1) elapsed=1;
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fpscount++;
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fps=Math.round((100.0/(fpssum/fpscount))*10.0)/10.0;
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if(fps>fpsmax&&timecount>5.0) fpsmax=fps;
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fpsd=document.getElementById(fpsdiv);
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if(fpsd!=null) fpsd.innerHTML=fps;
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}
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//----------------------------------------------------------
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// Sends benchmark every X seconds
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//----------------------------------------------------------
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function sendbenchmark(delay,app)
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{
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// Every 8 seconds send benchmark data to server!
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if(Math.abs(timecount-benchtime)>delay){
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benchtime=timecount;
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Benchmark(username,app,fps,fpsmax,Math.round(timecount*10.0)/10.0);
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}
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}
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//----------------------------------------------------------
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// Generate benchmark userID
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//----------------------------------------------------------
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function genID(app)
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{
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username = localStorage.getItem("Benchuser"); //Try to fetch username data
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if (username==null||username==""){
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var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
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text="";
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for( var i=0; i < 16; i++ ) text += possible.charAt(Math.floor(Math.random() * possible.length));
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username=text;
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localStorage.setItem("Benchuser",username);
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}else{
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}
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Benchmark(username,app,fps,fpsmax,Math.round(timecount*10.0)/10.0);
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}
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//----------------------------------------------------------
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// Send Benchmark using httpajax.js
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//----------------------------------------------------------
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function Benchmark(username,app,fps,maxfps,runtime)
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{
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var paramstr='User='+escape(username);
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paramstr+="&App="+escape(app);
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paramstr+="&Fps="+escape(fps);
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paramstr+="&MaxFps="+escape(maxfps);
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paramstr+="&RunTime="+escape(runtime);
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AjaxService("Benchy.php",paramstr);
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}
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b'\\ No newline at end of file'
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//----------------------------------------------------------
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// helper Globals
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//----------------------------------------------------------
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var shaderProgram;
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var gl;
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var fps = 0;
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var fpsmax = 0;
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var timecount = 0;
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var fpssum = 0;
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var fpscount = 1;
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var benchtime = 0;
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var username = "";
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//----------------------------------------------------------
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// getShader collects shader and compiles it. Errors are printed in alert
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//----------------------------------------------------------
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function getShader(gl, id) {
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var shaderScript = document.getElementById(id);
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if (!shaderScript) {
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return null;
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}
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var str = "";
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var k = shaderScript.firstChild;
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while (k) {
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if (k.nodeType == 3) {
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str += k.textContent;
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}
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k = k.nextSibling;
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}
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var shader;
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if (shaderScript.type == "x-shader/x-fragment") {
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shader = gl.createShader(gl.FRAGMENT_SHADER);
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} else if (shaderScript.type == "x-shader/x-vertex") {
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shader = gl.createShader(gl.VERTEX_SHADER);
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} else {
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return null;
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}
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gl.shaderSource(shader, str);
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gl.compileShader(shader);
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if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
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alert(gl.getShaderInfoLog(shader));
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return null;
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}
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return shader;
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}
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//----------------------------------------------------------
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// Matrix stack variables
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//----------------------------------------------------------
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var mvMatrix = mat4.create();
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var mvMatrixStack = [];
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var pMatrix = mat4.create();
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//----------------------------------------------------------
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// Push Matrix
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//----------------------------------------------------------
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function mvPushMatrix() {
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var copy = mat4.create();
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mat4.set(mvMatrix, copy);
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mvMatrixStack.push(copy);
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}
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//----------------------------------------------------------
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// Pop Matrix
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//----------------------------------------------------------
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function mvPopMatrix() {
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if (mvMatrixStack.length == 0) {
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throw "Invalid popMatrix!";
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}
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mvMatrix = mvMatrixStack.pop();
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}
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//----------------------------------------------------------
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// Startup webGL and alert if not available
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//----------------------------------------------------------
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function initGL(canvas) {
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try {
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gl = canvas.getContext("experimental-webgl");
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gl.viewportWidth = canvas.width;
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gl.viewportHeight = canvas.height;
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} catch (e) {
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}
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if (!gl) {
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alert("Could not initialise WebGL, sorry :-(");
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}
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}
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//----------------------------------------------------------
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// Measure fps and update div if available
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//----------------------------------------------------------
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function updatefps(elapsed,fpsdiv) {
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if(!isNaN(elapsed)) {
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timecount += (elapsed / 1000.0);
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fpssum += (elapsed / 10.0);
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}
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if(elapsed < 1) {
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elapsed = 1;
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}
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fpscount++;
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fps = Math.round((100.0 / (fpssum / fpscount)) * 10.0) / 10.0;
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if(fps > fpsmax&&timecount > 5.0) {
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fpsmax = fps;
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}
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fpsd = document.getElementById(fpsdiv);
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if(fpsd != null) {
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fpsd.innerHTML = fps;
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}
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}
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//----------------------------------------------------------
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// Sends benchmark every X seconds
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//----------------------------------------------------------
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function sendbenchmark(delay,app) {
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// Every 8 seconds send benchmark data to server!
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if(Math.abs(timecount - benchtime) > delay) {
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benchtime = timecount;
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benchmark(username, app, fps, fpsmax, Math.round(timecount * 10.0) / 10.0);
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}
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}
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//----------------------------------------------------------
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// Generate benchmark userID
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//----------------------------------------------------------
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function genID(app) {
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username = localStorage.getItem("Benchuser"); //Try to fetch username data
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if (username == null || username == "") {
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var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
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text = "";
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for(var i = 0; i < 16; i++) {
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text += possible.charAt(Math.floor(Math.random() * possible.length));
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}
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username = text;
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localStorage.setItem("Benchuser", username);
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}
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benchmark(username, app, fps, fpsmax, Math.round(timecount * 10.0) / 10.0);
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}
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//----------------------------------------------------------
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// Send benchmark using httpajax.js
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//----------------------------------------------------------
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function benchmark(username, app, fps, maxfps, runtime) {
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var paramstr = 'User=' + escape(username);
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paramstr += "&App=" + escape(app);
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paramstr += "&Fps=" + escape(fps);
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paramstr += "&MaxFps=" + escape(maxfps);
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paramstr += "&RunTime=" + escape(runtime);
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AjaxService("Benchy.php", paramstr);
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}
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