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Thread: Where are OpenGL drivers for Intel 945GM

  1. #1
    Junior Member Newbie
    Join Date
    Jun 2007

    Where are OpenGL drivers for Intel 945GM

    I have a vista laptop with the ever popular Intel 945GM graphics chip. Intel says their drivers support OpenGL and I downloaded from their latest drivers, but nowhere did I find the OpenGL.DLL module that many demos seem to require. And what level of OpenGL does one get? it seems almost a conspiracy to keep OpenGL from gaining a foothold to make the info so obscure. I know that nVidia has good OpenGL drivers but I have the most common cheap chip and it should be able to do something. I was tryingto run the chess demo I found on the net.

  2. #2
    Super Moderator OpenGL Lord
    Join Date
    Dec 2003
    Grenoble - France

    Re: Where are OpenGL drivers for Intel 945GM

    You need to install these intel drivers.

    Every windows system has a basic opengl32.dll, and then if accelerated drivers are installed, they add modern opengl features (the new .dll is named differently by each video card vendor)
    Some background on this :

  3. #3
    Super Moderator OpenGL Guru
    Join Date
    Feb 2000
    Montreal, Canada

    Re: Where are OpenGL drivers for Intel 945GM

    Is it really opengl.dll that your programs need?
    Wow! that is ancient!
    Without going into details, those programs need to be updated to use opengl32.dll
    an open source GLU replacement library. Much more modern than GLU.
    float matrix[16], inverse_matrix[16];
    glhTranslatef2(matrix, 0.0, 0.0, 5.0);
    glhRotateAboutXf2(matrix, angleInRadians);
    glhScalef2(matrix, 1.0, 1.0, -1.0);
    glhQuickInvertMatrixf2(matrix, inverse_matrix);
    glUniformMatrix4fv(uniformLocation1, 1, FALSE, matrix);
    glUniformMatrix4fv(uniformLocation2, 1, FALSE, inverse_matrix);

  4. #4
    Senior Member OpenGL Pro sqrt[-1]'s Avatar
    Join Date
    Jun 2002

    Re: Where are OpenGL drivers for Intel 945GM

    V-man is correct. That chess demo must be really old if it wants plain "OpenGL.dll" instead of "OpenGL32.dll".

    Only some of the really old SGI type demos did this.
    Try a newer demo from and see if they work.

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