Acked-by: David Ludovino
On 03/01/2020 17:50, Denis 'GNUtoo' Carikli wrote:
> Using libagl for everything had the side effect of making it
> impossible to use applications like IceCatMobile, as libagl
> OpenGL implementation was not complete enough. Using LLVMpipe
> fixes that.
>
> Using LLVMpipe for everything has the side effect of making
> some system components like SurfaceFlinger way slower.
>
> As we have patched the EGL loader to enable to override the
> default OpenGL implementation for specific binaries, and
> that we used that to switch the affected system components
> back to libagl, we can now switch to LLVMpipe.
>
> Signed-off-by: Denis 'GNUtoo' Carikli
> ---
> config/common.mk | 13 +++--
> 1 file changed, 11 insertions(+), 2 deletions(-)
>
> diff --git a/config/common.mk b/config/common.mk
> index 5731df08..8402171b 100644
> --- a/config/common.mk
> +++ b/config/common.mk
> @@ -243,8 +243,17 @@ else
> BOARD_EGL_CFG := vendor/replicant/prebuilt/softwaregl/configs/egl.cfg
>
> PRODUCT_PROPERTY_OVERRIDES += ro.softwaregl=1
> -# use Android's software renderer by default
> -PRODUCT_PROPERTY_OVERRIDES += ro.libagl=1
> +
> +# This sets the default OpenGL implementation:
> +# - with ro.libagl=1, libagl is always used
> +# - with ro.libagl=0, LLVMpipe is used by default but it's possible to
> override
> +# that and use libagl for specific binaries by creating empty configuration
> +# files in /system/etc/libGLES_android/ with the binary paths paths.
> +# For instance to make SurfaceFlinger use libagl you can run this command:
> +# # touch /system/etc/libGLES_android/system/bin/surfaceflinger
> +# When launching that binary, the EGL loader will then check if that file
> +# exists to decide on which OpenGL implementation to use.
> +PRODUCT_PROPERTY_OVERRIDES += ro.libagl=0
>
> PRODUCT_PACKAGE_OVERLAYS += vendor/replicant/overlay/softwaregl
> endif
>
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