Run results for: Image vs canvas with webgl2d

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.54 Safari/537.36

Browser: Chrome 101

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Image	96786.9 Ops/sec
canvas Image	169985.8 Ops/sec

Script Preparation code:

var img = new Image();
var imageBitmap;
var doneLoading = false;

let canvas = document.createElement('canvas');
canvas.width = 640;
canvas.height = 480;

let canvas2 = document.createElement('canvas');
canvas2.width = 640;
canvas2.height = 480;

var ctx = canvas.getContext('2d');
var ctx2 = canvas2.getContext('2d');

var cv = document.createElement('canvas');
cv.width = 700;
cv.height = 700;
var cvx = cv.getContext('2d');

img.addEventListener('load', function() {
  
  cvx.drawImage(img,0,0);
  doneLoading = true;
    
});

img.src = 'https://1.bp.blogspot.com/-52MtzD0GfX0/WvP52CL1WjI/AAAAAAAAOVw/_OpK4JHeWK01d-7IiZ6vzojYGhXqLRXrACLcBGAs/s1600/EMxediL.jpg';

Tests:

Image
if (doneLoading) ctx.drawImage(img,0,0);
canvas Image
if (doneLoading) ctx2.drawImage(cv,0,0);

Run results for: Image vs canvas with webgl2d

Testing draw calls using a raw Image versus canvas

Image

canvas Image