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What does "Sample test cull rate" mean?

In the streamline counters, what does the "Sample test cull rate" mean in Mali Geometry Culling Rate?

"The percentage of primitives entering the sample coverage test that are killed by it." -- This is tips for this counter. But i can not get the exact meaning of it.

So please explain it for details, many thanks!

Top replies

Peter Harris over 4 years ago +2 verified

Hi Shawn, Recent Mali GPUs have a culling stage for killing triangles at the culling stage which are so small that they hit no rasterizer sample points, which avoids them getting written back to the intermediate...