Class description buffer-upload-pattern values aid the graphics driver in optimizing access to buffer objects by declaring the frequency with which the buffer will be supplied new data.
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stream-upload declares that the buffer data will only be used a few times before being deallocated by dispose or replaced by allocate-buffer.
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static-upload declares that the buffer data will be provided once and accessed frequently without modification.
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dynamic-upload declares that the buffer data will be frequently modified.
A buffer-upload-pattern is only a declaration and does not actually control access to the underlying buffer data.