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craigd
Journeyman III

OpenCL examples using OpenGL fail with error, e.g. SimpleGL

_Most of the OpenCL examples run without errors and are very helpful in the learning process.  However, when I run SimpleGL (and others that use OpenGL) they fail with an error.  For example, here is SimpleGL:

____________________

cad@cad-ubuntu:/opt/AMDAPP/samples/opencl/bin/x86_64$ ./SimpleGL

Platform 0 : Advanced Micro Devices, Inc.

Platform found : Advanced Micro Devices, Inc.

Selected Platform Vendor : Advanced Micro Devices, Inc.

Device 0 : Barts Device ID is 0x1f51ba0

Number of displays 1

glXCreateContextAttribsARB 0x7f7010f38610

Number of interoperable devices 1

Interop Device ID is 0x1f51ba0

libGL error: failed to load driver: swrast

libGL error: Try again with LIBGL_DEBUG=verbose for more details.

X Error of failed request:  BadMatch (invalid parameter attributes)

  Major opcode of failed request:  155 (GLX)

  Minor opcode of failed request:  5 (X_GLXMakeCurrent)

  Serial number of failed request:  28

  Current serial number in output stream:  28

______________________

Here it is with "verbose" turned on:

______________________

cad@cad-ubuntu:/opt/AMDAPP/samples/opencl/bin/x86_64$ LIBGL_DEBUG=verbose ./SimpleGL

ukiDynamicMajor: found major device number 249

ukiDynamicMajor: found major device number 249

ukiOpenDevice: open result is 6, (OK)

ukiGetBusid returned 'PCI:1:0:0'

...skipping many lines...

Selected Platform Vendor : Advanced Micro Devices, Inc.

Device 0 : Barts Device ID is 0x268dba0

Number of displays 1

libGL: AtiGetClientDriverName: 12.10.5 fglrx (screen 0)

libGL: OpenDriver: trying /usr/lib/fglrx/dri/fglrx_dri.so

ukiDynamicMajor: found major device number 249

ukiDynamicMajor: found major device number 249

ukiOpenByBusid: Searching for BusID PCI:1:0:0

ukiOpenDevice: node name is /dev/ati/card0

ukiOpenDevice: open result is 9, (OK)

ukiOpenByBusid: ukiOpenMinor returns 9

ukiOpenByBusid: ukiGetBusid reports PCI:1:0:0

glXCreateContextAttribsARB 0x7f4ac44f6610

Number of interoperable devices 1

Interop Device ID is 0x268dba0

libGL: screen 0 does not appear to be DRI2 capable

libGL: OpenDriver: trying /usr/lib/fglrx/dri/tls/swrast_dri.so

libGL: OpenDriver: trying /usr/lib/fglrx/dri/swrast_dri.so

libGL error: dlopen /usr/lib/fglrx/dri/swrast_dri.so failed (/usr/lib/fglrx/dri/swrast_dri.so: cannot open shared object file: No such file or directory)

libGL: OpenDriver: trying /usr/lib/x86_64-linux-gnu/dri/tls/swrast_dri.so

libGL: OpenDriver: trying /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so

libGL error: failed to load driver: swrast

X Error of failed request:  BadMatch (invalid parameter attributes)

  Major opcode of failed request:  155 (GLX)

  Minor opcode of failed request:  5 (X_GLXMakeCurrent)

  Serial number of failed request:  28

  Current serial number in output stream:  28

_________________________

Before I get much further, here is more info on my system:

_________________________

cad@cad-ubuntu:/$ clinfo

Number of platforms:                             1

  Platform Profile:                              FULL_PROFILE

  Platform Version:                              OpenCL 1.2 AMD-APP (1113.2)

  Platform Name:                                 AMD Accelerated Parallel Processing

  Platform Vendor:                               Advanced Micro Devices, Inc.

  Platform Extensions:                           cl_khr_icd cl_amd_event_callback cl_amd_offline_devices

  Platform Name:                                 AMD Accelerated Parallel Processing

Number of devices:                               2

  Device Type:                                   CL_DEVICE_TYPE_GPU

  Device ID:                                     4098

  Board name:                                    AMD Radeon HD 6800 Series  

  Device Topology:                               PCI[ B#1, D#0, F#0 ]

  Max compute units:                             14

...skipping many lines...

Name:                                      AMD Phenom(tm) II X6 1100T Processor
  Vendor:                                    AuthenticAMD
  Device OpenCL C version:                   OpenCL C 1.2
  Driver version:                            1113.2 (sse2)
  Profile:                                   FULL_PROFILE
  Version:                                   OpenCL 1.2 AMD-APP (1113.2)
  Extensions:                                cl_khr_fp64 cl_amd_fp64 cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_int64_base_atomics cl_khr_int64_extended_atomics cl_khr_3d_image_writes cl_khr_byte_addressable_store cl_khr_gl_sharing cl_ext_device_fission cl_amd_device_attribute_query cl_amd_vec3 cl_amd_printf cl_amd_media_ops cl_amd_popcnt

cad@cad-ubuntu:/$ glxinfo

name of display:

display:   screen: 0

direct rendering: Yes

server glx vendor string: ATI

server glx version string: 1.4

cad@cad-ubuntu:/$ fglrxinfo

display:   screen: 0

OpenGL vendor string: Advanced Micro Devices, Inc.

OpenGL renderer string: AMD Radeon HD 6800 Series  

OpenGL version string: 4.2.12172 Compatibility Profile Context 9.012

cad@cad-ubuntu:/$ ldconfig -p | grep GL

        libQtOpenGL.so.4 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libQtOpenGL.so.4

        libQtOpenGL.so.4 (libc6) => /usr/lib/i386-linux-gnu/libQtOpenGL.so.4

        libQtOpenGL.so (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libQtOpenGL.so

        libGLU.so.1 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libGLU.so.1

        libGLU.so.1 (libc6) => /usr/lib/i386-linux-gnu/libGLU.so.1

        libGLU.so (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libGLU.so

        libGLU.so (libc6) => /usr/lib/i386-linux-gnu/libGLU.so

        libGLEWmx.so.1.8 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libGLEWmx.so.1.8

        libGLEWmx.so.1.5 (libc6,x86-64) => /usr/lib/libGLEWmx.so.1.5

        libGLEW.so.1.8 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libGLEW.so.1.8

        libGLEW.so.1.5 (libc6,x86-64) => /usr/lib/libGLEW.so.1.5

        libGLEW.so (libc6,x86-64) => /opt/AMDAPP/lib/x86_64/libGLEW.so

        libGLEW.so (libc6) => /opt/AMDAPP/lib/x86/libGLEW.so

        libGL.so.1 (libc6,x86-64) => /usr/lib/fglrx/libGL.so.1

        libGL.so.1 (libc6) => /usr/lib32/fglrx/libGL.so.1

        libGL.so (libc6,x86-64, OS ABI: Linux 2.4.20) => /usr/lib/x86_64-linux-gnu/libGL.so

        libGL.so (libc6,x86-64) => /usr/lib/fglrx/libGL.so

        libEGL.so.1 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1

cad@cad-ubuntu:/$ find / -name 'libGL*'

...skipping over a few lines...

/usr/lib/libGLEW.so.1.5

/usr/lib/libGLEWmx.so.1.5

/usr/lib/fglrx/libGL.so.1.2

/usr/lib/fglrx/libGL.so.1

/usr/lib/fglrx/libGL.so

/usr/lib/libGLEWmx.so.1.5.2

/usr/lib/libGLEW.so.1.5.2

/usr/lib/i386-linux-gnu/libGLU.so.1.3.1

/usr/lib/i386-linux-gnu/mesa/libGL.so.1

/usr/lib/i386-linux-gnu/mesa/libGL.so.1.2.0

/usr/lib/i386-linux-gnu/libGLU.so.1

/usr/lib/i386-linux-gnu/libGLU.so

/usr/lib/x86_64-linux-gnu/libGLEWmx.so.1.8

/usr/lib/x86_64-linux-gnu/libGLU.a

/usr/lib/x86_64-linux-gnu/libGLU.so.1.3.1

/usr/lib/x86_64-linux-gnu/mesa/libGL.so.1

/usr/lib/x86_64-linux-gnu/mesa/libGL.so.1.2.0

/usr/lib/x86_64-linux-gnu/mesa/libGL.so

/usr/lib/x86_64-linux-gnu/libGLEWmx.so.1.8.0

/usr/lib/x86_64-linux-gnu/libGLU.so.1

/usr/lib/x86_64-linux-gnu/libGLEW.so.1.8.0

/usr/lib/x86_64-linux-gnu/libGLU.so

/usr/lib/x86_64-linux-gnu/libGLEW.so.1.8

/usr/lib/x86_64-linux-gnu/libGL.so

/usr/lib32/fglrx/libGL.so.1.2

/usr/lib32/fglrx/libGL.so.1

_________________________________

The environment variable as set by /etc/X11/Xsessions.d/10fglrx yields:

cad@cad-ubuntu:/$ echo $LIBGL_DRIVERS_PATH

/usr/lib/fglrx/dri:/usr/lib/x86_64-linux-gnu/dri:/usr/lib/dri:/usr/lib32/fglrx/dri:/usr/lib/i386-linux-gnu/dri

__________________________________

I went through the "Samples Release Notes," i.e. the "Important Notes" and the "Known Issues" to make sure that the appropriate simlinks existed.  In doing so, I noticed that the fglrx-libGL.so files no longer exist.  I first installed the AMD APP a couple of months ago, and recall that those files existed.  I realized that the fglrx-installer on Linux had updated the system to the newest AMD driver, so I "unistalled" and "installed" AMD APP as per the instructions contained in the "Installation Notes."  No errors during installation and it seems to work except for the noted problem with SimpleGL.

My system is Ubuntu 13.04 Raring x86_64 with the xorg-edgers PPA.

Perhaps my problem is an error in my simlinks?  Note that when ./SimpleGL tries to run it cannot find the swrast_dri.so library, yet they are there in the path defined by LIBGL_DRIVERS_PATH.

_____________________________

cad@cad-ubuntu:/$ sudo find / -name 'swrast*'

/usr/lib/i386-linux-gnu/dri/swrast_dri.so

/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so

____________________________

I did not see that others were having this problem.  Any help would be appreciated to solve this dilemma.  Thanks.

Craig

0 Likes
8 Replies
himanshu_gautam
Grandmaster

Re: OpenCL examples using OpenGL fail with error, e.g. SimpleGL

Can you run "ldd" on simpleGL executable so that we know which GL library is actually loaded?

craigd
Journeyman III

Re: OpenCL examples using OpenGL fail with error, e.g. SimpleGL

Himanshu, good point.  Here it is:

cad@cad-ubuntu:/opt/AMDAPP/samples/opencl/bin/x86_64$ ldd ./SimpleGL

        linux-vdso.so.1 =>  (0x00007fff881ee000)

        libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007fd78efbf000)

        libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007fd78edbb000)

        libglut.so => /opt/AMDAPP/lib/x86_64/libglut.so (0x00007fd78eb76000)

        libGLEW.so => /opt/AMDAPP/lib/x86_64/libGLEW.so (0x00007fd78e923000)

        libGL.so.1 => /usr/lib/fglrx/libGL.so.1 (0x00007fd78e71b000)

        libGLU.so.1 => /usr/lib/x86_64-linux-gnu/libGLU.so.1 (0x00007fd78e49b000)

        libOpenCL.so.1 => /opt/AMDAPP/lib/x86_64/libOpenCL.so.1 (0x00007fd78e295000)

        libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007fd78df92000)

        libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007fd78dc8c000)

        libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007fd78da76000)

        libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fd78d6ae000)

        libX11.so.6 => /usr/lib/x86_64-linux-gnu/libX11.so.6 (0x00007fd78d373000)

        /lib64/ld-linux-x86-64.so.2 (0x00007fd78f209000)

        libXext.so.6 => /usr/lib/x86_64-linux-gnu/libXext.so.6 (0x00007fd78d161000)

        libXmu.so.6 => /usr/lib/x86_64-linux-gnu/libXmu.so.6 (0x00007fd78cf48000)

        libXi.so.6 => /usr/lib/x86_64-linux-gnu/libXi.so.6 (0x00007fd78cd38000)

        libatiuki.so.1 => /usr/lib/fglrx/libatiuki.so.1 (0x00007fd78cc1e000)

        libxcb.so.1 => /usr/lib/x86_64-linux-gnu/libxcb.so.1 (0x00007fd78c9ff000)

        libXt.so.6 => /usr/lib/x86_64-linux-gnu/libXt.so.6 (0x00007fd78c799000)

        libXau.so.6 => /usr/lib/x86_64-linux-gnu/libXau.so.6 (0x00007fd78c595000)

        libXdmcp.so.6 => /usr/lib/x86_64-linux-gnu/libXdmcp.so.6 (0x00007fd78c38e000)

        libSM.so.6 => /usr/lib/x86_64-linux-gnu/libSM.so.6 (0x00007fd78c186000)

        libICE.so.6 => /usr/lib/x86_64-linux-gnu/libICE.so.6 (0x00007fd78bf6a000)

        libuuid.so.1 => /lib/x86_64-linux-gnu/libuuid.so.1 (0x00007fd78bd64000)

___________________

Craig

0 Likes
himanshu_gautam
Grandmaster

Re: OpenCL examples using OpenGL fail with error, e.g. SimpleGL

libglut and libGLEW are linked correctly.

I think it is a DRI problem. I would guess that you will not be able to run any other OpenGL programs as well.

Can you confirm?

I think you might be missing to install some libraries. Just google around on your error message, you should be able to find it.

I dont think this is an APP SDK issue -- though ,I am very much open to admit that there could be a bug in APP SDK.

Request you to run other OpenGL app and confirm that only simpleGL is having this problem.

Good luck!

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himanshu_gautam
Grandmaster

Re: OpenCL examples using OpenGL fail with error, e.g. SimpleGL

This might help you. This excerpt is from AMD Samples release guide. Just make sure your soft-links are pointing to the right .so files.

"If GL samples fail on Linux, ensure that the libGL.so.1 file is linked to fglrx-libGL.so.1.2,

which for Ubuntu is found in /usr/lib/fglrx/ and /usr/lib32/fglrx/, or for RHEL is found

in /usr/lib64/fglrx/ . The sample fails when linked to /usr/lib/x86_64-linux-

gnu/mesa/libGL.so.1, /usr/lib/i386-linux-gnu/mesa/libGL.so.1 in Ubuntu or

/usr/lib/libGL.so.1, /usr/lib64/libGL.so.1 in RHEL. For more details, see:

http://phoronix.com/forums/showthread.php?7351-Does-fglrx-s-libGL-so-1-2-have-wrongsoname

https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/943162"

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craigd
Journeyman III

Re: OpenCL examples using OpenGL fail with error, e.g. SimpleGL

_Himanshu,

You make a good point -- and the previous night I was successful at fixing the problem by replacing the symbolic link that was pointing to the mesa/libGL.so.1 file -- however, it was not quite that clear.  As I had mentioned in my original forum question, I had already considered the AMD Samples Release Notes and thought that I was good.  As mentioned there, I had gone through this on a previous installation of AMD APP where the files mentioned actually exited.  But now, the libGL entries are looking slightly different.

Here is what I looked at, and that led me to make the symlink change.  Recall my previous reply where the "ldd ./SimpleGL" is listed and now consider the following:

____________________

cad@cad-ubuntu:/$ which glxinfo

/usr/bin/glxinfo

cad@cad-ubuntu:/$ cd usr/bin

cad@cad-ubuntu:/usr/bin$ ldd ./glxinfo

    linux-vdso.so.1 =>  (0x00007ffffcbfe000)

    libGL.so.1 => /usr/lib/fglrx/libGL.so.1 (0x00007fe9d923d000)

    libX11.so.6 => /usr/lib/x86_64-linux-gnu/libX11.so.6 (0x00007fe9d8f03000)

    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fe9d8b3a000)

    libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007fe9d891d000)

    libXext.so.6 => /usr/lib/x86_64-linux-gnu/libXext.so.6 (0x00007fe9d870b000)

    libatiuki.so.1 => /usr/lib/fglrx/libatiuki.so.1 (0x00007fe9d85f0000)

    libxcb.so.1 => /usr/lib/x86_64-linux-gnu/libxcb.so.1 (0x00007fe9d83d2000)

    libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007fe9d81ce000)

    /lib64/ld-linux-x86-64.so.2 (0x00007fe9d9470000)

    libXau.so.6 => /usr/lib/x86_64-linux-gnu/libXau.so.6 (0x00007fe9d7fc9000)

    libXdmcp.so.6 => /usr/lib/x86_64-linux-gnu/libXdmcp.so.6 (0x00007fe9d7dc3000)

___________________

...and this...

___________________

cad@cad-ubuntu:/usr/bin$ which fglrxinfo

/usr/bin/fglrxinfo

cad@cad-ubuntu:/usr/bin$ ldd fglrxinfo

    linux-vdso.so.1 =>  (0x00007fff69bfe000)

    libGL.so.1 => /usr/lib/fglrx/libGL.so.1 (0x00007f3dbdfdf000)

    libX11.so.6 => /usr/lib/x86_64-linux-gnu/libX11.so.6 (0x00007f3dbdca5000)

    libXext.so.6 => /usr/lib/x86_64-linux-gnu/libXext.so.6 (0x00007f3dbda92000)

    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f3dbd6ca000)

    libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f3dbd4ad000)

    libatiuki.so.1 => /usr/lib/fglrx/libatiuki.so.1 (0x00007f3dbd392000)

    libxcb.so.1 => /usr/lib/x86_64-linux-gnu/libxcb.so.1 (0x00007f3dbd174000)

    libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f3dbcf70000)

    /lib64/ld-linux-x86-64.so.2 (0x00007f3dbe212000)

    libXau.so.6 => /usr/lib/x86_64-linux-gnu/libXau.so.6 (0x00007f3dbcd6b000)

    libXdmcp.so.6 => /usr/lib/x86_64-linux-gnu/libXdmcp.so.6 (0x00007f3dbcb65000)

_____________________

They both point to the location of the libGL.so.1 and in all instances this points to libGL.so.1.2.0, which is the ATI accelerated version of libGL according to each time I run fglrxinfo and glxinfo.

Unfortunately, I did not copy the terminal text prior to my fix but it was a symbolic link in:

/usr/lib/x86_64-linux-gnu/libGL.so ----> mesa/libGL.so

I replaced this link with one pointing to the /usr/lib/fglrx/libGL.so library.  So while in the /usr/lib/x86_64-linux-gnu directory:

sudo ln -s ../fglrx/libGL.so libGL.so

...and, to be a bit redundant...

sudo ln -s ..fglrx/libGL.so.1 libGL.so.1

yielding:

___________________

cad@cad-ubuntu:/usr/lib/x86_64-linux-gnu$ ls -l | grep libGL

lrwxrwxrwx 1 root root       18 Nov 12 04:43 libGLEWmx.so.1.8 -> libGLEWmx.so.1.8.0

-rw-r--r-- 1 root root   460728 Nov 12 04:43 libGLEWmx.so.1.8.0

lrwxrwxrwx 1 root root       16 Nov 12 04:43 libGLEW.so.1.8 -> libGLEW.so.1.8.0

-rw-r--r-- 1 root root   513984 Nov 12 04:43 libGLEW.so.1.8.0

lrwxrwxrwx 1 root root       17 Feb 25 22:54 libGL.so -> ../fglrx/libGL.so

lrwxrwxrwx 1 root root       19 Feb 25 22:55 libGL.so.1 -> ../fglrx/libGL.so.1

-rw-r--r-- 1 root root  1083112 Sep 18 01:21 libGLU.a

lrwxrwxrwx 1 root root       15 Sep 18 01:21 libGLU.so -> libGLU.so.1.3.1

lrwxrwxrwx 1 root root       15 Sep 18 01:21 libGLU.so.1 -> libGLU.so.1.3.1

-rw-r--r-- 1 root root   518864 Sep 18 01:21 libGLU.so.1.3.1

___________________

...since, in the /usr/lib/fglrx everything points to the ATI driver libGL.so.1.2

___________________

cad@cad-ubuntu:/usr/lib/fglrx$ ls -l | grep libGL

lrwxrwxrwx 1 root root       12 Feb 25 21:14 libGL.so -> libGL.so.1.2

lrwxrwxrwx 1 root root       12 Feb 19 04:08 libGL.so.1 -> libGL.so.1.2

-rw-r--r-- 1 root root   943144 Feb 19 04:08 libGL.so.1.2

-rwxr-xr-x 1 root root     9355 Jan 20  2012 switchlibGL

___________________

I now have the following links:

____________________

cad@cad-ubuntu:/opt/AMDAPP/samples/opencl/bin/x86_64$ sudo ldconfig -p | grep libGL

        libGLU.so.1 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libGLU.so.1

        libGLU.so.1 (libc6) => /usr/lib/i386-linux-gnu/libGLU.so.1

        libGLU.so (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libGLU.so

        libGLU.so (libc6) => /usr/lib/i386-linux-gnu/libGLU.so

        libGLEWmx.so.1.8 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libGLEWmx.so.1.8

        libGLEWmx.so.1.5 (libc6,x86-64) => /usr/lib/libGLEWmx.so.1.5

        libGLEW.so.1.8 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libGLEW.so.1.8

        libGLEW.so.1.5 (libc6,x86-64) => /usr/lib/libGLEW.so.1.5

        libGLEW.so (libc6,x86-64) => /opt/AMDAPP/lib/x86_64/libGLEW.so

        libGLEW.so (libc6) => /opt/AMDAPP/lib/x86/libGLEW.so

        libGL.so.1 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libGL.so.1

        libGL.so.1 (libc6,x86-64) => /usr/lib/fglrx/libGL.so.1

        libGL.so.1 (libc6) => /usr/lib32/fglrx/libGL.so.1

        libGL.so (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libGL.so

        libGL.so (libc6,x86-64) => /usr/lib/fglrx/libGL.so

        libGL.so (libc6) => /usr/lib32/fglrx/libGL.so

___________________

...and all of the x86_64 OpenCL/OpenGL examples work:

___________________

cad@cad-ubuntu:/opt/AMDAPP/samples/opencl/bin/x86_64$ ls | grep GL

BoxFilterGL

BoxFilterGL_Input.bmp

BoxFilterGL_Kernels.cl

GaussianNoiseGL

GaussianNoiseGL_Input.bmp

GaussianNoiseGL_Kernels2.cl

GaussianNoiseGL_Kernels.cl

SimpleGL

SimpleGL.bmp

SimpleGL_Kernels.cl

URNGNoiseGL

URNGNoiseGL_Input.bmp

URNGNoiseGL_Kernels.cl

_____________________

PS:  I just checked the operation of the x86 examples and there is a problem:

_____________________

cad@cad-ubuntu:/opt/AMDAPP/samples/opencl/bin/x86$ ./SimpleGL

./SimpleGL: error while loading shared libraries: libXmu.so.6: cannot open shared object file: No such file or directory

____________________

...so a new problem to solve.

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nou
Exemplar

Re: OpenCL examples using OpenGL fail with error, e.g. SimpleGL

this is old problem when all OpenGL interoperability examples open for some reason libGL.so from mesa. workaround is set LD_LIBRARY_PATH=/usr/lib/fglrx or make symlink in /usr/lib

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nou
Exemplar

Re: OpenCL examples using OpenGL fail with error, e.g. SimpleGL

this is old problem when all OpenGL interoperability examples open for some reason libGL.so from mesa. workaround is set LD_LIBRARY_PATH=/usr/lib/fglrx or make symlink in /usr/lib

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himanshu_gautam
Grandmaster

Re: OpenCL examples using OpenGL fail with error, e.g. SimpleGL

Install ia32-libs package. (sudo apt-get install ia32-libs)

Also check you take the following .so from these paths only: /usr/lib/i386-linux-gnu/libGLU.so.1 & /usr/lib32/fglrx/fglrx-libGL.so.1.2

Message was edited by: Himanshu Gautam

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