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Type: Posts; User: finalpatch

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  1. Replies
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    Re: the fastest way to upload large textures

    The decoder's access to the target buffer is write only, it never reads from the buffer so i think it's fine to decode directly into the PBO as this saves an extra copy from the decoding buffer to...
  2. Re: what's the fastest way to upload large texture

    And I'm using GL_STREAM_DRAW for glBufferData and GL_WRITE_ONLY for glMapBuffer. I also call glBufferData with a NULL pointer before mapping the buffer to prevent it from blocking on the mapping call.
  3. what's the fastest way to upload large texture

    Hi every one,

    I'm working on a video editing project which uses OpenGL to render the video to screen. As the videos that we need to process are often pretty large (HD1080p or even larger), the...
  4. Replies
    9
    Views
    14,048

    the fastest way to upload large textures

    Hi every one,

    I'm working on a video editing project which uses OpenGL to render the video to screen. As the videos that we need to process are often pretty large (HD1080p or even larger), the...
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