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#853 Try to improve size of receiving buffer for glGetTexImage. #858

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#853 Try to improve size of receiving buffer for glGetTexImage. #858

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Commits on Jan 18, 2023

  1. Try to improve size of receiving buffer for glGetTexImage. 

    1) Request maximum texture dimensions proeprly depending on texture type.
2) Cap total size by 1 GB on 32-bit and 4 GB on 64-bit.

Note: in case of NVIDIA driver, GL_MAX_TEXTURE_SIZE = 32K, so 4 GB cap is always used anyway.
    @stgatilov
    sgatilov authored and stgatilov committed Jan 18, 2023
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