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Type: Posts; User: timbre

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  1. Replies
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    Re: Blur/ Unsharping with OpenGL

    Thanks a lot.
  2. Replies
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    175

    Blur/ Unsharping with OpenGL

    Hi I would like to slowly unsharp an object / texture more and more until it dissolves completly.

    I read somewhere that this is possible with the imaging extention with a filter matrix....
  3. Re: performance loss using textures in OpenGL 2.0

    The "slow" graphics board is an Ati Radeon x600/550.

    The "fast" ones include GeForce 4 Ti 4400, Ati Radeon 9200SE, and Intel 82892/82855E GM/GME.

    On all machines POT textures are used. The...
  4. Re: performance loss using textures in OpenGL 2.0

    I do not use mipmaps, but the fast sample app (http://nehe.gamedev.net/data/lessons/lesson.asp?lesson=32) does not use Mipmaps aswell.
  5. Re: performance loss using textures in OpenGL 2.0

    Must be an silly error...

    The texture is set once by :

    glGenTextures( 1, screenelement->GetTexture() );
    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);

    glBindTexture( GL_TEXTURE_2D,...
  6. Re: performance loss using textures in OpenGL 2.0

    Thanks for the quick reply.

    The older machines use for example Intel integrated Graphix or a Radeon 9200SE.

    Another Sample Application runs perfectly smooth on that OpenGL 2.0 machine, and I do...
  7. performance loss using textures in OpenGL 2.0

    My Application runs superfast on every machine with OpenGL previous to 2.0. OpenGL 1.5 Machines are slightly slower. But on OpenGL 2.0 machine Framerate breakes down to an avarage of circa 3 Frames...
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    Re: Automatic Texturcoord generation

    thanx a lot for your help,
    i´ll try it out.
  9. Replies
    5
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    186

    Automatic Texturcoord generation

    Sorry for asking such a lame question again..

    I have a problem with automatic texture generation. It basicly works as expected.
    But I´d like to map only a fraction of a texture on the whole...
  10. Re: Hardware accelerated off-screenrendering on Windows

    thanx alot for your quick reply ;)
  11. accelerated argb offscreen rendering on windows

    Hi is hardware accelerated offscreenrendering on windows possible ? Read something about wgl offscreenrendering but does it support argb.

    any help is highly appreciated
    thx a lot
  12. Hardware accelerated off-screenrendering on Windows

    Hi is there a way to offscreen render hardware accelerated on windows. Wgl (unaccelerated ?) might be a way but all examples i found are rather old. Is there a way ?
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