Render target packing optimizations

SlayerOfWhales
Thu, 25 Sep 2025 02:32:39 +0000
Rendering

Hello, I have been working on a simple water sim for fun lately and have come to a divergence point regarding the structure of the project. Let’s consider three single channel, low precision render targets:
Foam, Old foam, and Roughness.

What are the real performance gains from taking these 3 distinct render targets single channel and packing them into 1 low precision RGB render target?

2 posts - 2 participants