Bug 1554436 Comment 2 Edit History

Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.

Original comment by
on 
https://en.wikipedia.org/wiki/Intel_GMA#GMA_950
> GMA 950 supports [...] OpenGL 1.4 [...]

WebRender requires OpenGL 3.2 / OpenGL ES 3.0. Firefox falls back to "OpenGL" compositing since gfx.webrender.all implies layers.acceleration.force-enabled.
You could try starting Firefox with environment variable `LIBGL_ALWAYS_SOFTWARE=1` (software rendering on your CPU). "Compositing" should be "WebRender" then. How does it perform?
Revision 1 by
on 
https://en.wikipedia.org/wiki/Intel_GMA#GMA_950
> GMA 950 supports [...] OpenGL 1.4 [...]

WebRender requires OpenGL 3.2 / OpenGL ES 3.0. Firefox falls back to "OpenGL" compositing since gfx.webrender.all implies layers.acceleration.force-enabled.
You could try starting Firefox with environment variable `LIBGL_ALWAYS_SOFTWARE=1` (software rendering on your CPU). "Compositing" should be "WebRender" then. How does it perform?

(Is tearing with Basic a regression or has it always happened?)
Revision 2 by
on 
https://en.wikipedia.org/wiki/Intel_GMA#GMA_950
> GMA 950 supports [...] OpenGL 1.4 [...]

WebRender requires OpenGL 3.2 / OpenGL ES 3.0. Firefox falls back to "OpenGL" compositing since gfx.webrender.all implies layers.acceleration.force-enabled.
You could try starting Firefox with environment variable `LIBGL_ALWAYS_SOFTWARE=1` (software rendering on your CPU). "Compositing" should be "WebRender" then. How does it perform?

(Is tearing with Basic a regression or has it happened with previous Firefox versions as well?)

Back to Bug 1554436 Comment 2