[Mesa-users] mesa3d with llvm support

[Brian Paul]

On 01/11/2011 07:00 AM, Muthukumar wrote:
> Iam working in fc-11 ,and i try to compile and run gallium mesa3d with llvm
> support .But i am getting some error while i try to run the opengl or opengles
> application. Can any one suggest me fix the issue .My intension is to run any of
> the opengl/opengles application with gallium mesa3d with llvm support and check
> the performance in linux (fedora 11).
>
> Here the configuration option of gallium mesa3d source
> ./configure --enable-debug --enable-gles1 --enable-gles2 --enable-gallium-egl --
> enable-gallium-llvm --disable-glut --with-dri-drivers=i915 --disable-gallium-
> radeon --enable-gles-overlay
>
>
> config.status: executing configs commands
>
>          prefix:          /usr/local
>          exec_prefix:     ${prefix}
>          libdir:          ${exec_prefix}/lib
>          includedir:      ${prefix}/include
>
>          OpenGL:          yes (ES1: yes ES2: yes)
>          GLES overlay:    yes
>          OpenVG:          no
>
>          Driver:          dri
>          OSMesa:          no
>          DRI drivers:     i915
>          DRI driver dir:  ${libdir}/dri
>          Use XCB:         no
>
>          GLU:             yes
>          GLw:             yes (Motif: no)
>          glut:            no
>
>          EGL:             yes
>          EGL platforms:   x11 drm
>          EGL drivers:     egl_glx egl_gallium
>          EGL Gallium STs: $(GL_LIB) $(GLESv1_CM_LIB) $(GLESv2_LIB)
>
>          llvm:            yes
>          llvm-config:     /home/muthu/work/clang_llvm-2.7-i686-linux/bin/llvm-
> config
>          llvm-version:    2.7
>
>          Gallium:         yes
>          Gallium dirs:    auxiliary drivers state_trackers
>          Target dirs:      egl dri-swrast
>          Winsys dirs:     sw sw/xlib sw/dri i915/sw
>          Driver dirs:     softpipe failover galahad trace rbug identity llvmpipe
> svga i915 i965
>          Trackers dirs:   dri egl
>
>          Shared libs:     yes
>          Static libs:     no
>
>          CFLAGS:          -g -O2 -Wall -Wmissing-prototypes -std=c99 -ffast-math
> -fvisibility=hidden -fno-strict-aliasing -g -fPIC
>          CXXFLAGS:        -g -O2 -Wall -fvisibility=hidden -fno-strict-aliasing -
> g -fPIC
>          Macros:          -D_GNU_SOURCE -DPTHREADS -DDEBUG -DHAVE_POSIX_MEMALIGN
> -DUSE_EXTERNAL_DXTN_LIB=1 -DIN_DRI_DRIVER -DGLX_DIRECT_RENDERING -
> DGLX_INDIRECT_RENDERING -DHAVE_ALIAS -DGALLIUM_LLVMPIPE -D__STDC_CONSTANT_MACROS
> -DUSE_X86_ASM -DUSE_MMX_ASM -DUSE_3DNOW_ASM -DUSE_SSE_ASM
>
>          PYTHON2:         python2
>
>          Run 'gmake' to build Mesa
>
>
> and i have downloaded the "demo-master" (test apps) source and i compiled this
> apps with the above compiled libraries.
> If i try to run "gears_xll" or any other opengles apps iam getting the following
> error with segmentation fault ,I debug it ,the control is going in to llvm pipe
> and then getting crashed with seg fault. before running the application i have
> set the following environment variables.
>
> export LD_LIBRARY_PATH="/home/muthu/work/game/gallium/mesa-master-llvm-gcc-
> egl/lib"
> export EGL_PLATFORM="dri"
> export LIBGL_DRIVERs_PATH="/home/muthu/work/game/gallium/mesa-master-llvm-gcc-
> egl/lib/gallium/"
>
>
> # ./gears_x11
> libEGL warning: failed to create DRM screen
> libEGL warning: use software fallback
> EGL_VERSION = 1.4 (Gallium)
> Segmentation fault
> [muthu at localhost opengles1]$ ./gears_x11
> libEGL warning: failed to create DRM screen
> libEGL warning: use software fallback
> EGL_VERSION = 1.4 (Gallium)
> Segmentation fault
>
>
> Can any one suggest me fix the above issue .My intension is to run any of the
> opengl/opengles application with gallium mesa3d with llvm support and check the
> performance in linux (fedora 11).

I haven't tried gallium/llvmpipe with EGL in a while.  Try a non-EGL 
build and try the regular OpenGL demos.  If you still get a crash, try 
to get a stack trace in gdb.  You should probably open a bug report in 
that case.

-Brian