Keith Whitwell wrote:
>
> The real problem with this is that changing to flat shade & back again
> means a buffer flush per rectangle. This is masked by the fact that in
> the current model we have to do a buffer flush inside the
> ASSERT_OUTSIDE_BEGIN_END() command, although this hopefully won't always
> be the case. The real problem that you are addressing is the large
> performance differential between smooth and flat shaded primitives in
> the X driver. It shouldn't be too great an effort to attack the problem
> at its heart & it would certainly be a bigger win.
Naturally, smooth shading is a bit slower than flat shading. However,
I think the current code is fairly efficient. You'd probably have to
resort to assembly language to make it substantially faster.
-Brian
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Brian Paul Avid Technology / Softimage [EMAIL PROTECTED]
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