Posts: 457 from 2003/4/11
Have you confirmed that the second long lock-ups are due to VBOs? Or is it just a hunch?
Yep. At the time buffers are "enlarged" I had output telling that: It's is done from time to time where is needed but newer allocations increase the time spent doing it.
Which hardware is this running on? How large is your VBO? The only thing I can think of is that the sum of the sizes of the framebuffer, depth buffer, textures and vertex buffers runs close to or exceeds the size of the Radeon video memory.
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