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Type: Posts; User: AstroM

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    OpenGL and depressing deprecation!

    Hey!

    Been a while since I was here and I dont know were to post this, but I feel I must ventilate my thoughts about OpenGL somewhere.
    After completing several OpenGL projects, including one...
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    Re: Shader behaviour in WindowsXP / Vista / Win7

    Just my suspicion to.
    But I almost hoped there was something I was doing wrong cause in that way I could correct it.
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    Re: Lookup textures ???

    Thanx for the answers.
    I actually found a better way by adding a separate glMultiTexCoord3f in my display list that could be used in the vertex shader.
    And it actually works great. Plus, I dont...
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    Re: Shader behaviour in WindowsXP / Vista / Win7

    Hmm.
    Yeah, It surely wouldnt hurt to test any non XP system with an ATI card.

    I'll get back in the matter.
    Meanwhile, thanks for your time :)
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    Re: Shader behaviour in WindowsXP / Vista / Win7

    nVidia GeForce 8800GT 512Mb Win7 Doesnt work
    nVidia GeForce 9400M 256 Mb (mobile) Vista Doesnt work
    nVidia GeForce 260 800Mb. Vista Doesnt work
    nVidia QadroFX 4500 512Mb ...
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    Re: Shader behaviour in WindowsXP / Vista / Win7

    Well, the application has been tested on six setups and it works on the three with XP and not the three that doesnt has XP.
    The XP machines has both ATI and nVidia cards.
    I have even swapped...
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    Shader behaviour in WindowsXP / Vista / Win7

    Hi!

    I have a made an OpenGL application in WindowsXP that works superb in XP / Vista and Win7.
    After altering a shader suddenly textures is VERY distorted in Vista and Win7 but works fine in XP....
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    Re: Lookup textures ???

    Well, since no one seemed to have a solution for using lookup textures in the fragment shader I struggled on myself.
    I found out that I can get hardware vertex texture lookup by using the...
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    Re: Lookup textures ???

    Okay, just like I stated above I guess I could have made a misstake.
    But if everything is good when I access the texture in the vertex shader, except performance, but is wrong in the fragment shader...
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    Re: Lookup textures ???

    Thanks for the answer.

    Hmm....Yep, thats the way I do it in the fragment shader.
    But now Im beginning to wonder, whats the use of lookup textures if they dont return the correct data???
    ...
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    Lookup textures ???

    Hey!

    Been searching the forum but didnt find anything that describes my little problem.
    Im reading texture coordinates from a texture. If I read from the texture in the vertex shader everything...
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