https://bugs.freedesktop.org/show_bug.cgi?id=29067
Summary: WebGL in Firefox is very slow (pegs the cpu)
Product: Mesa
Version: git
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/r300
AssignedTo: [email protected]
ReportedBy: [email protected]
WebGL in Firefox (4.0b1) is very slow on r300g, it seems to be using an
excessive amount of CPU, this is not the case in Chrome, where things seem to
be working very well.
I'm not really sure if this is a bug in the driver, or in Firefox, but on i965
performance seems to be the same in both browsers.
This problem is very noticeable in demos which measure framerate, such as:
http://cs.helsinki.fi/u/ilmarihe/demo/demo.html
http://cs.helsinki.fi/u/ilmarihe/demo2/paint.html
Another good test is an interactive demo like the teapot, where lag is
noticable:
https://cvs.khronos.org/svn/repos/registry/trunk/public/webgl/sdk/demos/google/shiny-teapot/index.html
WebGL requires support for pbuffers (for both Firefox and Chrome) so Xserver
1.9.0 is required. For more general tips on getting webgl running see:
http://learningwebgl.com/blog/?p=11
System environment:
-- system architecture: 32-bit
-- Linux distribution: Debian unstable
-- GPU: RV570
-- Model: Asus EAX1950Pro 256MB
-- Display connector: DVI
-- xf86-video-ati: 6.13.1
-- xserver: 1.8.99.904 (1.9.0 RC 4)
-- mesa: f8d81c31cee30821da3aab331a57f484f6a07a5d
-- drm: 6ea2bda5f5ec8f27359760ce580fdad3df0464df
-- kernel: 2.6.35-rc5
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