Le 26/03/2011 09:27, Michel Dänzer a écrit :
On Sam, 2011-03-26 at 09:17 +0100, Sébastien Dailly wrote:

I attach the file from the command :

$ LIBGL_DEBUG=verbose glxinfo 2>  error.log>  output.log

I think most likely the problem is that your GPU doesn't have vertex
shaders, and you're hitting an unoptimized software vertex processing
path. Can you try if rebuilding Mesa with --enable-gallium-llvm helps?
You'll need llvm-dev installed.



Hello,

I recompiled mesa from debian source with the --enable-gallium-llvm option.

It's now working fine, thank you.

Is there a reason for not including this option by default ?

--
Sébastien
--- mesa-7.10-old/debian/rules	2011-03-26 14:19:52.000000000 +0100
+++ mesa-7.10/debian/rules	2011-03-26 14:20:35.000000000 +0100
@@ -77,6 +77,7 @@
 # Although the KMS egl drivers will probably build on kfreebsd & hurd
 # only linux actually has KMS drivers implemented at this point.
 	EGL_DISPLAYS += drm
+	confflags_GALLIUM = --enable-gallium-llvm
   endif
 
   ifneq ($(DEB_HOST_ARCH), s390)

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