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Type: Posts; User: promag

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    Resize OpenGL Window lags

    Hi,

    I have a simple example that only clears and swaps.

    If I resize the window with the mouse I see a "gap" on the right and/or bottom. If I resize the window really fast then the gap will be...
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    Because it seems one of these happens: - swap...

    Because it seems one of these happens:

    - swap buffer on the rendering context is forcing something like glFinish in the worker context
    - commands that usually stall the pipeline are stalling...
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    You mean poll the fence on the worker thread...

    You mean poll the fence on the worker thread like:

    // for(;;)
    // do work
    // fence
    // flush
    // while not signaled wait
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    In the worker thread I have this inside a loop: ...

    In the worker thread I have this inside a loop:

    glBindTexture(GL_TEXTURE_2D, textures[i]);
    glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, blockWidth, blockHeight, format, type,...
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    context sharing and synchronization

    hello,

    I have two gl (shared) contexts, each current in a different thread.

    In one thread I create and upload data to a pixel buffer. Then I create some textures and fill them with parts of...
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