Occlusion Queries on nv3 cards and up
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19 years, 9 months ago
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If you can do what you need using occlusion queries then use them in preference to readback as occlusion queries are *much* faster. Readback performance has improved signifcantl…
19 years, 9 months ago
Number of samples for Gaussian blur?
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19 years, 9 months ago
Here's a geomipmapping type terrain engine and a 40kmx40km 10m resolution dataset of the Teton mountains. http://www.mars3d.com/Software/EarthExplorer.zip (8Mb) It normally runs…
21 years, 6 months ago
This demo features soft shadows for dynamic lights and dynamic objects at interactive rates. http://www.mars3d.com/SoftShadows.htm The framerate on an XP2000 + 5900 Ultra i…
21 years, 9 months ago
Typically its done in 2 passes to reduce the number of operations. I use 16 or 32 samples in each direction. If you downsample by a factor of 4 before you blur then you can just…
19 years, 9 months ago
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See all in DiscussionsIf you can do what you need using occlusion queries then use them in preference to readback as occlusion queries …
19 years, 9 months ago
Typically its done in 2 passes to reduce the number of operations. I use 16 or 32 samples in each …
19 years, 9 months ago
I don't know but I would guess each map has a unique 32kx32k texture which is stored on disk compressed.
20 years, 5 months ago
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