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WebGL Performance much slower than Canvas


danielbeck
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Hello,

 

I'm wondering why my application is much slower with webgl than with canvas. It's a very simple application with falling letters.

 

WebGL

Firefox: 20 fps

Chrome: 50 fps

 

Canvas

Firefox: 60 fps

Chrome: 60 fps

 

Browser version: firefox 40.0 and Chrome 45.0. I got similar results on windows and on ubuntu.

 

Here is a link to the app: https://s3-us-west-2.amazonaws.com/physalisdev/phaser/www/index.html

 

I espected webgl to be much faster than canvas. Has someone an idea how I can accelerate WebGL so that I can use WebGL shaders?

 

Thanks

Daniel

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Hi
 

I have 60 fps with your example.

It could be that your graphics driver are blacklisted.

see
https://www.khronos.org/webgl/wiki/BlacklistsAndWhitelists

http://superuser.com/questions/836832/how-can-i-enable-webgl-in-my-browser

even if the driver is not blacklisted I would suspect that it has something to do with it or its config. But I'm just guessing :)

cheers
raphael

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Hi

 

I have 60 fps with your example.

It could be that your graphics driver are blacklisted.

see

https://www.khronos.org/webgl/wiki/BlacklistsAndWhitelists

http://superuser.com/questions/836832/how-can-i-enable-webgl-in-my-browser

even if the driver is not blacklisted I would suspect that it has something to do with it or its config. But I'm just guessing :)

cheers

raphael

 

Do you also get 60 fps with firefox?

 

On windows, the used WebGL renderer for Firefox is: WebGL-Renderer    Google Inc. -- ANGLE (Intel® HD Graphics 4600 Direct3D11 vs_5_0 ps_5_0). I'll check the used WebGL renderer for ubuntu later.

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