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Hardware instancing - dynamically add/remove num of instance

Graphics and GPU Programming Programming

Started by Knight52 August 25, 2012 03:32 PM

1 comment, last by CC Ricers 11 years, 8 months ago

Knight52

171

Author

August 25, 2012 03:32 PM

Is there any way better than flush the instance buffer, per-instance data, and recreate them? I haven't tried this brute force approach yet, so I don't know how much fps it'll reduce.

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kauna

2,925

August 25, 2012 05:45 PM

You may refill the dynamic vertex buffer / dynamic constant buffer / buffer object when ever you'll need to change the per instance data.

You may even use a single dynamic buffer to pass instancing data. You may keep the data in system RAM and stream it to the buffers when drawing.

Cheers!

CC Ricers

1,491

August 27, 2012 03:43 PM

Do you have a maximum number of instances you know that will be displayed at a time?

New game in progress: Project SeedWorld

My development blog: Electronic Meteor

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