[Solved] Realtime 3D Terrain Splat Mapping

Hello again! Hopefully someone can give me some insight.

I added splat mapping to my terrain editor, but I’m not sure if the way I’m painting the blendmap is best way.

Currently I am “projecting” the shape and color of the brush onto an FBO for each chunk that the mouse is over.

I was thinking about using a pixel map and updating the texture using glTextSubImage2d but I figured that would be slow.

Also I heard that I could use PBOs

I hope I was clear

What would you do?

Solved.

Yeah I tried other methods I could think of. But I just ended up projecting onto a FBO. This made it easier to have really customizable brushes.