Ulrich Hertlein wrote:
Hi Tim,
On 7/04/10 15:12 , Tim Moore wrote:
osg::Optimizer attempts to optimize for performance, not memory.
The optimization you're proposing will have a negative impact on
OpenGL performance.
How do you figure? Vincent would like to replace BIND_PER_VERTEX colors
with a BIND_OVERALL color where possible. That is a very common thing to
do in OSG and is, as I understand it, well supported even in OpenGL 3.0+
and OpenGL ES 2.0.
Looking at that again, I may have confused that with BIND_PER_PRIMITIVE.
Yes, BIND_PER_PRIMITIVE is bad. BIND_OVERALL is fine. I don't know of
any Optimizer settings that do this, but it shouldn't be hard to write one.
--"J"
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