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update the note on using Mesa with LLVM 

ok mpi@ ajacoutot@
pull/1/head
jsg 2013-09-07 02:18:32 +00:00
parent 30ff36c6f4
commit b81ed5cd1c
1 changed files with 9 additions and 12 deletions
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README
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@ -128,21 +128,18 @@ You can also set XENOCARA_RERUN_AUTOCONF in /etc/mk.conf or in the
environment to force the regeneration of configure scripts
in every component during a make build.
o Building Gallium3D rasterizer for Mesa
o Building Gallium3D with LLVM support
--------------------------------------
The Gallium3D software rasterizer can be built to be used as an
alternative to the default Mesa software rasterizer. For that, use
the following command in the libGL build directory (the default is
/usr/xenocara/lib/libGL):
When building Mesa with LLVM support instead of the 'classic'
software rasteriser the Gallium3D LLVMpipe rasteriser will be used.
env XENOCARA_BUILD_GALLIUM=Yes make obj
env XENOCARA_BUILD_GALLIUM=Yes make build
The radeonsi driver for Southern Islands and newer AMD Radeon parts
is only built when Gallium is compiled with LLVM support as it requires
the R600 LLVM target.
This software rasertizer can also benefit from the LLVM infrastructure
and use a special pipe if it is built with LLVM support. You will need
to have the llvm package installed and use the following command in the
libGL build directory:
You will need to have the llvm and libelf packages installed and use the following
command in the libGL build directory:
env XENOCARA_BUILD_GALLIUM=llvm make obj
env XENOCARA_BUILD_GALLIUM=llvm make build
@ -224,4 +221,4 @@ The core dump will be in /var/crash.
See also <http://xorg.freedesktop.org/wiki/Development/Documentation/ServerDebugging>
--
$OpenBSD: README,v 1.33 2013/05/14 07:55:46 ajacoutot Exp $
$OpenBSD: README,v 1.34 2013/09/07 02:18:32 jsg Exp $