Tagged: opengl Toggle Comment Threads | Keyboard Shortcuts

  • frankiezafe 22:39 on 2017-02-10 Permalink | Reply
    Tags: , , , , opengl,   

    I’ve learned something really important today: an OpenGL context can be accessed by one and ONLY one thread! See Under what circumstances would glGenBuffers/glGenBuffersARB fail?.

    And this is the first time I feel annoyed by the singleton approach of Ogre3D. In my asset converter util, I use Ogre object, the MeshManager mainly, to convert xml files to .mesh files. Due to the limitation of OpenGL and the singleton pattern, I can’t declare a new OpenGL context in my conversion thread by using the Ogre managers…

    I struggled for several hours with that before find the post on stackoverflow.

    This implies a freeze during mesh conversion, wich prevent me to animate a progress bar and keeping the conversion strickly in background.

    I’ll work on the loading and display of the processed meshes next week.

     
  • frankiezafe 19:24 on 2017-01-11 Permalink | Reply
    Tags: , , glitch, , , opengl, ,   

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    Cool day today: the creation of the example.glitch was quite fun.
    The example demonstrate a bit more extensively the usage of the ogre’s compositor (see here) and the interaction with shaders.

    If you test the example, ckeck CustomApp::createCompositor: you’ll find comments about how to interact with the shader’suniform.

    The superb model in this scene is gearthing4 by shivinteger, distributed by #additivism.

     
    • xuv 00:57 on 2017-01-12 Permalink | Reply

      Wow. Looks awesome. Indeed, add some sound and it’s a finished piece. 🙂

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