I use "top -t" to show the performance when the browser was launched, and I
found that the thread "Compositor" consumes too much CPU resource > 24%, even
when page was loaded long time after,
I try to enable hardware compositor in firefox OS using android hardware
resource such as hwcompositor.xxx.so
1. pref("layers.composer2d.enabled", true) let sUsingHwc=1 sUsingOMTC=1. but
it dosn't work, and have side effect that the browser content cannot be shown,
the page can only can be seen when switching to another website, it's strange.
and when DoDraw in nsWindows.cpp lm->GetBackendType return
mozilla::layers::LAYERS_BASIC, I read some comments that if hardware
compositor was enabled it should go mozilla::layers::LAYERS_OPENGL ==
lm->GetBackendType() path does it right? I checked the base GetBackendType
function it just return LAYERS_BASIC
firefox now only support LAYERS_BASIC? it can support hardware compositor?
or it need another patch?
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