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Type: Posts; User: -=MadMan=-

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    Re: How to implement this?

    Scissor! Of course.
    That will do fine.
    Thanks a lot!
    With best regards. Daniel.
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    How to implement this?

    Hi
    I need to code such thing: there is a wide ribbon that moves top-down, there is an interactive background under it. I'd like that there where a horizontal stripe in the top and bottom of the...
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    Re: Performance drop after drawing a line

    No. I'm not using shaders.
    I'm using the same method as http://www.opengl.org/resources/tutorials/sig99/advanced99/notes/node120.html
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    Re: Performance drop after drawing a line

    Oh, sorry.
    I have a ATi Radeon 9500 pro.
    Working under Fedora Core 3 Linux with XOrg XServer running on it.
    Driver version is 6.8.0.
    Daniel.
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    Performance drop after drawing a line

    Hi.

    I'm porting a crossplatform 2D library under OpenGL. And occured a strange problem.
    Test application works fine. The scene is rendered properly, and CPU load is very small. But after drawing...
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    Re: Solid broken line with antialiasing

    Thanks for the hint.
    It seems that I need to disable depth buffer update. I'll try it as soon as I get home from the job ;]
    10x again.
    Daniel.
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    Solid broken line with antialiasing

    Hi.
    I'm porting some 2D engine under OpenGL and want to use antialiased lines. But in joint points there is a "halo" and the broken line looks like its damaged. Turning of antialiasing kill this...
  8. Re: "Transperent color" on the image and high quality textures

    The image contains Alpha channel and the transperent color is (0,0,0,0). I use gluBuild2DMipmaps with GL_RGBA key to create texture, since it can take tex with dimentions that are not power of 2....
  9. "Transperent color" on the image and high quality textures

    Hi to All.
    I'm a newbie to OpenGL so please be patient to my question ;]
    I'm trying to implement a simple crossplatform OpenGL based 2D-Canvas engine. Simply adding a plane and bindind texture to...
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    Re: "Flickerless" Buffer Swap

    You mean some driver flag? Perhaps, but it would be more useful to be able initiating this mode from code. Anyway it's may work. I'll try to find it.
    Tried to use glXGetVideoSyncSGI(...) and...
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    Re: "Flickerless" Buffer Swap

    I'm using ATi Radeon 9500, but the tsrget platform is VIA KM400 integreated graphics. And the driver is FireGL 4.0.4 for Xorg ( could be mistake in driver version :) )
    Unfortunatly Qt disables...
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    "Flickerless" Buffer Swap

    Hi everyone.

    I've been trying to find the solution on this problem, but i'm tired reading all this posts.
    So here it is. I'm new to Linux, Qt and OpenGL. We are writing a game, Qt has some...
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