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kalle_h

Member Since 05 May 2012
Offline Last Active Today, 02:47 PM

Posts I've Made

In Topic: Hybrid Frustum Traced Shadows

Yesterday, 01:23 AM

Good idea. Without conservative rasterization i expect artefacts by shadowing pixels that would need exact tests.

 

Why you expect any artifacts? Prepass would only allow fully covered pixels to occlude.


In Topic: Hybrid Frustum Traced Shadows

24 May 2016 - 01:52 PM

 

Edit:

Draw the occluders twice - first time to determinate fully covered texels and remove all list entries on their back.

Conservative rasterization would help here too if it's possible to draw only fully covered pixels.

 

I think normal depth only pre pass without conservative rasterization would fix most of the overdraw problems. Second pass would use lequal test. Then additional optimization could be possible to skip all point in frustum test for Equal depth test pixels but I don't see that test as bottleneck.


In Topic: Occlusion culling w/o a Zbuffer

10 April 2016 - 02:48 PM

That is correct. When bounding box/sphere is fully inside of all those 5 planes then it's fully occluded. 


In Topic: C++ best way to break out of nested for loops

10 April 2016 - 07:23 AM

This is only case where I use goto and there is nothing wrong about it.


In Topic: Interstellar trade at a relativistic timescale?

29 February 2016 - 04:12 PM

I'm sceptical about trade if the return of investment will be seen in 24 years, it's too long for corporations since the CEO that arranged it will be fired/retire in the meantime smile.png Maybe asian corporatrions could do it, but western ones, no way biggrin.png I think it would be more into a form of transports than trade. I mean, since the schedule is so terribly important in this case and because it requires such high political stability it would need to be about something else than simple monetary gain. Also I suspect a planned economy system.

 

The route probably yearly (a new ship sent each year), cargo simple and strictly standarized and predictable (you have to change the cargo 12 years in advance).

 

Probably emergence of spacing guilds. Since it takes 1 year relative time to travel, the simpliest solution is to form a new class of citizens that live in a relative time and form a separate society (they all are from the "old era", after like 2 trips).

For passengers return of the investment will be just in one year. It would be high risk gambling but could be very profitable. If group of people have ship and some valuable good that they think is still worth of the money after 12 years in another star system then it's not that far fetched idea.


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