Ville Syrjälä wrote:
On Fri, Nov 11, 2005 at 12:55:06PM +0100, Cagdas Ogut wrote:
Creating a preallocated primary surface isn't allowed. Technically it's
not impossible but what's the point of it really? Unless your app is of
the show-one-picture-and-exit style you're going to be drawing other
stuff to your primary surface as well. That means you're going to
overwrite the contents anyway. Also there would always be at least one
system->video blit (it would happend when you call Flip()).
My application will show that one picture and update it 25 times a
second. That's all. There will be other things drawn for user interface
but rgb24 video flow will be stopped at that time.
Thanks for clarifying situation. I wonder if I can reach the back buffer
data pointer of the primary and keep only the Blit during Flip. This is
supposed to work as postallocated primary (back buffer only).
Would it be possible?
Cagdas
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