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Back to Graphics and GPU Programming

Do you need to relock surface in system memory?

Started by
1 comment, last by CptanPanic 20 years, 11 months ago
I understand the need to lock a surface that is in video memory, but after I lock and unlock a SMEM surface once, can I just keep writing to the *pBits. Thanks, Brian
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Microsoft says not to do that. However, it has been known to work. Your mileage may vary. It''s probably not a good idea, though.
It''ll explode on some combinations of CPUs and chipsets. Please lock and unlock as you need it, don''t carry the pointer around.

thanks

Development Lead
Windows Graphics & Gaming Technology
Development Lead, DirectXWindows Graphics & Gaming Technology

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