This may be a stupid question, but when you use pre-allocated surfaces do you loose the advantages of the video card's acceleration? In other words is the software renderer used for all drawing? In a slightly related question, how does the multi-app core work? Are windowed apps able to use acceleration? I assume the answer is 'yes', I'm just wondering how this works? How can two different applications use the video card "at the same time". Previously, I had just assumed that each app rendered into regular shared system memory and then a message was sent to update video memory from the shared memory. Wouldn't this mean all rendering is software based? Sorry to babble, but I am just trying to understand how all this works. Thanks in advance for any help.
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