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Type: Posts; User: Benoit Perron

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  1. Making a texture transparent with GL_MODULATE

    I have the following setup that currently works fine:

    glTexImage2D with GL_LUMINANCE (greyscale)
    Set primitive material to metalic values

    on draw:
    glShadeModel ( GL_SMOOTH ) ;
    ...
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    Re: Menu overlay with many sub-windows

    After further research, it looks like I am really stuck with GLUT since the project uses a library that depends on it (glvu). I haven't found any pointers on wglContext stuff and GLUT interaction so...
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    Menu overlay with many sub-windows

    I am currently working on an app (win32 console) that uses GLUT and a bunch of other libraries requiring GLUT. It has a main window containing many sub windows. It used the GLUT popup menus before...
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    Re: Virtual Memory and VBO

    Well, to close-off this thread, I finally got things under control! I still use floats for all my vertex data and switched to shorts for texture coord and switched to byte for normals.

    The missing...
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    Re: Virtual Memory and VBO

    Okay after playing with the stuff a bit I made some progress but still have some interrogations:

    I managed to no use and client-side memory at all for data structures (my guess was that it...
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    Re: Fun with screen captures

    Ah!

    Maybe I should have tried it on an Aero machine! the option didn't even appear under XP. Works like a charm under vista, will try it out with Win7 monday.

    Thanks a lot!
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    Re: Fun with screen captures

    Since my app often times run in full screen that would be an ideal free) compromise. However, I can find no reference to a full desktop capture either in the docs or the configuration screen. I...
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    Fun with screen captures

    I curently have an application that usus GLUT with a main window and a bunch of sub windows ie:glutCreateSubWindow().

    I use FRAPS to capture movies of the application for demonstrations. the...
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    Re: Virtual Memory and VBO

    Thanks for you input,



    That snippet was from a local function and aLocalVec is just that local and gets cleared on exit.

    I scanned all the allocations in my program and removed all I could...
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    Re: Virtual Memory and VBO

    I usually work in doubles across the board and since this is my first OpenGL app I guess I stuck to the earlier examples :p. I just recently migrated from interractive mode to display lists to vbos...
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    Re: Virtual Memory and VBO

    Ok, I spent some time away from the forum, here is what I did:

    I now have a Windows7 machine (x64) with 6GB visible RAM. I still have the same Quadro FX 5800 with 4GB VRAM.

    What i'm trying to...
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    Re: Virtual Memory and VBO

    Hmm I see, thanks for the replies.

    I have been reading on the Vertex Array Range stuff in the meantime, especially the wglAllocateMemoryNV bit. With calls like this:

    pVAR =...
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    Virtual Memory and VBO

    I recently started using VBOs for an application. I have a brand new Quadro FX 5800 with 4GB of VRAM but can't use it for lack of virtual memory.

    here are some details:

    multiple objects are...
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