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Non-optimality in terms of architecture. Wrong tool for the job.
GPU-optimal tasks are highly parallel: vertex processing, texture processing, computing boid motion, with all kernel-threads running in parallel from start to finish.
Culling, OTOH, is all about questions / conditionals e.g. "is this object in this view at this time given these conditions?". ...
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Here's one way that I can think of to do it.
Find a point on the plane a other than the origin, o. The vector a - o lies on the plane, so is guaranteed perpendicular to the plane normal. Normalise the vector a - o and call it x.
Take the cross product of x and the plane normal and call it y. y is guaranteed to be perpendicular to both x and the plane ...
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why isn't the standard to implement this "spherical" projection instead of "planar"?
It looks to me like you answered this yourself here:
"in case the monitor is flat, the sphere degenerates into a plane"
That is, if most people are using flat screens, then the planar projection is geometrically correct (from the intended viewpoint).
Yes, even if ...
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To add to Engineer's answer the reason you can't easily parallelize culling is because it's not 'embarrassingly parallel'. If you know the view frustum does not pass x = 5 then you can eliminate everything that does not pass that line pretty easily. And there are even algorithms to do this using an octree and quadtree.
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First, if we want to get the object's world position, we need its world matrix. That's passed in automatically as unity_ObjectToWorld when rendering normally, but since we're drawing with Graphics.Blit we need to provide it ourselves.
Add a uniform like this above your vertex shader, where you're defining your _Coordinate uniform (which should be a float4, ...
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The OS on android devices handles this automatically when there is a need for more memory.
Specifically, what you are referring to sleep is moving apps to a standby state where they unload all data caches. After a second pass they will automatically save their data and state so they can shut down all tasks except background listeners and reopen later.
You ...
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