Different Materials, different Textures, Same Shader and SRP Batcher

[the3ddy]

Hey all, I’m pretty new to this SRP Batcher, and found lots of good resources reading on this such as these:

SRP Batcher and GPU Instancing?

So I am playing with the SRP Batcher a bit and don’t understand how it relates to instancing. For one the ‘Batch’ and ‘Save by batches’ numbers seem messed up when SRP batcher is enabled. Mine say 8 batches and -8 save by by batching. Is that a bug? Or am I supposed to read this differently now? Does the ‘Enable GPU Instancing’ checkbox on materials still do anything? I am looking at drawcalls by looking in the FrameDebugger. I have a scene with 8 cubes in it for testing. I notice they all get…

Batching techniques in Unity

and a few other posts.

One question I have is, if my understanding is correct, is it possible to use different materials of the same shader but uses different texture and get SRP batched together? For example, in an extreme case if I hypothetically have a scene that uses all the same shader but are different materials each referencing their own separate texture, will they get the benefit of being SRP batched together?

[Bosozuki]

Yes

One thing to note if the texture has a alpha cutoff (sprite atlas of some sort) it may break the batch based on distance from the camera

[the3ddy]

awesome, thanks for the prompt response.