On 2025-04-24 07:13, Iago Toral wrote: > For v3d yzw would be 0,0,1. >
It's worth noting that in our framebuffer fetch implementation we override unused components with undefs. Ella > Iago > > El mié, 23-04-2025 a las 12:24 -0400, Mike Blumenkrantz escribió: >> Hi, >> >> An issue recently came up in the GL working group: what is the >> robustness behavior of framebuffer fetch? For example, if a >> framebuffer attachment format is R8_UNORM, what are the YZW >> components which get read back? >> >> If people from all the drivers (besides panfrost) which support this >> extension could reply with the expected behavior on their hardware, >> that would be helpful. >> >> >> Thanks, >> Mike