What are THIN_INSTANCES?

MarkBevels · February 25, 2021, 12:12am

While scanning shader code I came across THIN_INSTANCES.

BabylonJS/Babylon.js/blob/master/src/Shaders/ShadersInclude/instancesVertex.fx#L3


#ifdef INSTANCES

	mat4 finalWorld = mat4(world0, world1, world2, world3);

    #ifdef THIN_INSTANCES

	    finalWorld = world * finalWorld;

    #endif

#else

	mat4 finalWorld = world;

#endif

I have seen @avin’s demo but still can’t work out what those are.

Could someone please explain what those are or point me to the right direction?

Evgeni_Popov · February 25, 2021, 12:21am

The doc site is your friend:

MarkBevels · February 25, 2021, 12:28am

Thank you!

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What are THIN_INSTANCES?

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