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Thread: Multithreaded resource loading

  1. #11
    Hey is this a Windows demo? If you provide me with a Snow Leopard compatible demo I'd gladly run it on my, almost newest, iMac (has an Intel Core i7 with a ATI Radeon HD 4850) for you.
    Oh, it will be interesting to test it on real Mac Tonight I will build a Mac demo.

  2. #12
    Are you doing this with Lazarus? It has lazOpenGLContext package which works same time on most operating systems.

  3. #13
    Quote Originally Posted by User137
    Are you doing this with Lazarus? It has lazOpenGLContext package which works same time on most operating systems.
    Nope, I use my own code(that can be compiled by FreePascal and Delphi(7-2010, Win32 only)). Maybe some time later I will present my library with examples here

  4. #14
    Cool stuff! programs seems to work ok here. I experimented with this a while back see we use the same approach. You can not only load textures this way but also geometry into VBO/DPL, load and compile shader programs or any other OpenGL resource for that matter.

    To bad that this approach requires a context switch I made a small grid bassed world system that would automaticly stream in new models/textures when needed but the switching of contexts gave me pretty large framedrops. Hope that OGL 4.X wil have a solution for this like DX10 and DX11.

  5. #15
    Quote Originally Posted by Luuk van Venrooij
    To bad that this approach requires a context switch
    I switch context only one time - for creating second context. After that all threads working without switching and waiting

  6. #16
    WILL
    Here the MacOS X version of demo compiled under MacOS X 10.6.3
    Last edited by Andru; 04-10-2010 at 11:48 PM.

  7. #17
    Co-Founder / PGD Elder WILL's Avatar
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    Downloaded! I'll get back to you once I have time to run it after work. I'm running 10.6.4 (Snow Leopard) so it should be compatible I'm sure.
    Jason McMillen
    Pascal Game Development
    Co-Founder





  8. #18
    PGDCE Developer de_jean_7777's Avatar
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    I tried your demo and it works. I assume that the music stopping when switching to different windows is intentional?

    My PC is:
    OS: Windows 7 Ultimate
    CPU: Athlon II X2 240
    GPU: Sapphire Radeon HD4850 512MB
    In defeat we learn.

  9. #19
    Quote Originally Posted by de_jean_7777
    I assume that the music stopping when switching to different windows is intentional?
    Yes, and it must continue playing after returning the focus to demo.

  10. #20
    PGDCE Developer de_jean_7777's Avatar
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    Quote Originally Posted by Andru View Post
    Yes, and it must continue playing after returning the focus to demo.
    It continues playing.

    I also tried it on another PC, at my work.
    OS: Windows XP Professional SP3
    CPU: Intel Pentium Dual E2200
    GPU: Intel 82945G (i945G) integrated

    It worked on that PC too. If it works on the Intel card with shoddy OpenGL drivers, it should work anywhere.
    In defeat we learn.

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