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Type: Posts; User: Simon Arbon

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  1. Replies
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    GeForce 2 is absolutely ancient. NVIDIA don't...

    GeForce 2 is absolutely ancient.
    NVIDIA don't support anything earlier than GeForce 5.
    The only place I could find a copy of the driver is at...
  2. Lots and lots of overloading :) Heavily reused...

    Lots and lots of overloading :)

    Heavily reused enums will need there own type eNone = ( GL_NONE = 0 ); // [ DrawBufferMode ],[ PixelTexGenMode ]
    eBothFaces = ( GL_FRONT_AND_BACK = $0408 ); //[...
  3. As an example, to create a strongly-typed OpenGL...

    As an example, to create a strongly-typed OpenGL header file for Pascal, you would do something like this:
    Lets try glCullFace, in the XML file we find a list of valid enums for it, but the type...
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    Here is the actual assembler code it uses if...

    Here is the actual assembler code it uses if thats any help.


    procedure Set8087CW(NewCW: Word);
    begin
    Default8087CW := NewCW;
    asm
    FNCLEX // don't raise pending exceptions enabled...
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    In Borland Delphi you had to change the FPU...

    In Borland Delphi you had to change the FPU control word during program initialisation with the command:
    Set8087CW($133F);
    With any luck their C++ compiler uses the same command, with 0x133F for...
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    (http://en.wikipedia.org/wiki/Radeon_X600)Every...

    Every reference i can find says that only OpenGL 2.0 is supported:

    http://en.wikipedia.org/wiki/Radeon_X600 ...
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    The Radeon X1600 is not physically capable of...

    The Radeon X1600 is not physically capable of running GLSL 1.2
    You will need at least a HD2000
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    Where do you set the date format? This BBS is...

    Where do you set the date format?
    This BBS is displaying all the dates in that weird american format with the date and month reversed.
    The General Settings/Date & Time options does not have a date...
  9. Re: OpenGL Registry specs inconsistency and bugs

    I would be happy to work together to create a better spec file.
    At the moment i am still collecting information into a database which is then used to generate pascal code.
    I cant generate a usable...
  10. Re: OpenGL Registry specs inconsistency and bugs

    It used to be, OpenGL was originally intended to be usable from any language that people choose to use.
    The older .spec entries contain all of the information needed to generate bindings for any...
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    Re: Fullscreen on multiple monitors

    If both monitors are being driven by the one GPU, or by two GPU's from the same manufacturer, then the driver control panel may have an option to combine the two monitors so that they appear as a...
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    Re: Parallel loading of object files.

    The best thing that you can do is put it in one big (compressed) file and then de-fragment your hard disk to minimise the seek time.
    The only time that splitting the file might improve load time is...
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    Re: Monitor Choice for OpenGL Development

    It looks like they use opposite polarisation on alternating lines, so it probably uses an interlaced 2-field frame in 3D mode.
    The specs says it supports most 3D formats so a quadbuffer card should...
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    Re: Monitor Choice for OpenGL Development

    Probably not. You would have to be doing incredibly detailed realistic renderings for it to make a difference, and you wont be doing that for a very long time.
    As a beginner with OpenGL you will...
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    Re: NVidia 280.x+ and GeForce 4xx+

    This means that you compiled the shader (or linked it) with a different OpenGL state than when you actually used it.
    NVIDIA like to optimise their shaders to run as fast as possible with the current...
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    Re: ARB 'assembly'

    "ARB" are the initials of "Architecture Review Board", which is the group consisting of Khronos, NVIDIA, AMD and many others, who write the OpenGL specification.
    It does not specifically refer to...
  17. Re: AMD Catalyst 11.9 crashes with wglCreateContext

    Although its not mentioned in any specification i can find, it seems to be quite common for OpenGL drivers to perform divisions by zero during their normal processing, so it is necisary to prevent...
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    Re: Avoid glClear( GL_COLOR_BUFFER_BIT )?

    :sorrow: Except The A to Z of DX10 Performance from GDC 2009 says:
  19. Re: Listener for when opengl context is visible.

    Windows will send you the WM_PAINT message when the window is visible on the screen.
    Just start your animation thread when you get this message.
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    Re: When is depth written?

    The OpenGL specification requires that the fragment depth is tested against the depth buffer AFTER the fragment shader runs.

    However, if the driver can determine that the fragment shader does not...
  21. Re: Initializing OpenGL in Windows 7 - WITHOUT GLUT

    wglCreateContext and wglCreateContextAttribsARB use your initial context, which doesnt exist anymore because you got rid of it!
    You cant call wglMakeCurrent(NULL, NULL); until AFTER you have...
  22. Re: Installed new GPU & OpenGL is now only version 1.1

    Check the following:
    On the start menu select "control panel"
    Double click "system" icon
    Select "Hardware" page and press the "Device Manager" button
    If the device driver is installed properly...
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    Re: video card upgrade and selection

    glGetString cant be called until you have an OpenGL context because a windows computer can have multiple video cards and multiple screens plugged into it, and each one may need to return different...
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    Re: video card upgrade and selection

    From OpenGL Extension Viewer Download Page you can download and install a program that will check your graphics driver is installed and working properly.

    If you are having problems using FreeGLUT...
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    Re: video card upgrade and selection

    You cant call any OpenGL functions until after you have set the pixel format for the window and created the context.

    If your program crashes in Initialize then thats what you need to fix.
    I...
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