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Type: Posts; User: henniman2

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  1. More precisely it looks like there is a problem...

    More precisely it looks like there is a problem with the driver when the system is connected to a KVM switch. The switch is from ATEN and the system is connected via DVI. It looks like the...
  2. Application hang - debugging strategy wanted

    Hi all,

    i have an application that stops after a few hours ( 3 up to 60 hrs ) with an appllication hang. We use AMD FirePro 8100 with the latest driver. When doing an application analysis with...
  3. Replies
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    1,741

    I think i found an answer to the aero problem...

    I think i found an answer to the aero problem here:
    https://support.microsoft.com/en-us/kb/2724530

    But this certainly does not answer the ATI issues
    that appear when enforcing VSYNC with very...
  4. wglDXLockObjectsNV / wglDXUnlockObjectsNV Scope

    Hi All,

    i am a little bit unsure about the usage of this extension
    https://www.opengl.org/registry/specs/NV/DX_interop.txt
    especially when objects have to be locked using
    wglDXLockObjectsNV.
    ...
  5. Replies
    1
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    418

    The 'output' format was wrong - NV12 does not...

    The 'output' format was wrong - NV12 does not work with DX_INTEROP, but a regular D3DFMT_A8R8G8B8 works.

    All the best,
    Henniman
  6. Replies
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    418

    wglDXRegisterObjectNV fails

    Hi all,

    the wglDXRegisterObjectNV call always fails:


    hr = pD3D->CreateDeviceEx(
    lAdapter,
    D3DDEVTYPE_HAL,
    GetShellWindow(),
    D3DCREATE_SOFTWARE_VERTEXPROCESSING |...
  7. Replies
    3
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    1,741

    Tearing with Ultra-Large Output Window

    Hi all,

    we configured a Windows 7 / 64 system with 14(!) HD monitores attached, and when we open two OpenGL windows with the size 13440x1080 Aero turns off and there is visible tearing. We use 2x...
  8. Replies
    5
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    1,259

    i found this comment When you make a...

    i found this comment

    When you make a fullscreen window, it will bypass the DWM compositor.

    here:
    http://stackoverflow.com/questions/30293074/opengl-tearing-with-fullscreen-native-resolution
    ...
  9. Replies
    5
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    1,259

    we have the same problem here. i found somewhere...

    we have the same problem here. i found somewhere on the web (do not remember the link) that on any windows with aero th swap chain will be replaced with the system built-in one when an application...
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    493

    Using Open Video Decode API with OpenGL

    Hi all,

    did anyone use the Open Video Decode Api from AMD with OpenGL? Is there any sample code anywhere?

    Best regards,
    Henniman
  11. Are you working on Windows VISTA/7/8? If so, you...

    Are you working on Windows VISTA/7/8? If so, you may experiment with turning off Aero ( Desktop Window Manager Session Manager Service ) else the whole desktop might be composited in the lowest frame...
  12. Windows 8.1 no update when in background. WM_PAINT ignored?

    Hi,

    when my app is running and it is under heavy load and it runs in the background, sometimes there is no rendering. The screen does not get a refresh. It looks like the paint message is ignored....
  13. According to spec it is considered an error if...

    According to spec it is considered an error if glMap2 is called and the value of GL_ACTIVE_TEXTURE is not GL_TEXTURE0
    But theses glMap... etc are deprecated anyways ... implement your own.

    Best...
  14. Replies
    2
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    1,191

    Reply to myself, go deeper into detail: ...

    Reply to myself, go deeper into detail:

    Indeed, the problem is 'non-cacheable memory' and i found a 2008 forum entry from yooyo that mapped buffers should be accessed sequentially only. So i...
  15. Replies
    2
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    1,191

    PBO: mapped memory and OpenMP

    Hi All,

    i experienced an interesting issue when working with mapped buffers and multithreaded writes to these buffers, at least with the latest ATI drivers on windows ( others need to be...
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    2
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    1,496

    sorry, is the question too trivial or simply...

    sorry, is the question too trivial or simply impossible to understand?
  17. Replies
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    1,496

    Projective Textures, view only section

    Hi all,

    i use projective textures in my application. It works very well, the pseudo code is




    //
    // set up texture projection
    // 1. switch to texture matrix
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