volumeOptimize

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Clara Chan (clara@waltz.jpl.nasa.gov)
Fri, 30 Jul 1999 16:49:35 -0700


Hi.
When I use volumeOptimize with BEST_PERFORMANCE option,
here's what it did:

voAppearanceActions::volumeOptimize(): BEST_PERFORMANCE
voAppearanceActions::volumeOptimize(): INTERLEAVE_2WAY
        externalFormat LUMINANCE_ALPHA
        internalFormat DUAL_INTENSITY8_SGIS
voAppearanceActions::volumeOptimize(): INTERLEAVE_2WAY done.
voAppearanceActions::volumeOptimize(): SHARED_OBJECT
 1073758208 1073758208 1073758208 1073758208 1073758208
1073758208 1073758208 1073758208 1073758208 1073758208 1073758208
1073758208 1073758208 1073758208 1073758208 1073758208 1073758208
1073758208 1073758208 1073758208
voAppearanceActions::volumeOptimize(): SHARED_OBJECT done.
voAppearanceActions::volumeOptimize(): BEST_PERFORMANCE done.

Frame rate 3.77358 (textures were taking lots of time loading)

But when I change it to TEXTURE_OBJECTS, I got:

voAppearanceActions::volumeOptimize(): TEXTURE_OBJECTS
voAppearanceActions::volumeOptimize(): TEXTURE_OBJECTS
 1073758208 1073758209 1073758210 1073758211 1073758212
1073758213 1073758214 1073758215 1073758216 1073758217 1073758218
1073758219 1073758220 1073758221 1073758222 1073758223 1073758224
1073758225 1073758226 1073758227
voAppearanceActions::volumeOptimize(): TEXTURE_OBJECTS done.
voAppearanceActions::volumeOptimize(): TEXTURE_OBJECTS done.

Frame rate 6.66667 (texture loading time becomes 0)

And if I add INTERLEAVE_2WAY, performance doesn't increase.
So does that mean SHARED_OBJECTS is not working properly?

Thanks.
Clara


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