PowerVR Vulkan Driver Enhancements Merged Ahead Of Mesa 25.2

The Mesa 25.2 code is expected to be branched next week to kick off the release process for this quarter's iteration of open-source OpenGL and Vulkan drivers. As such, there's going to be a mad dash over the next week to land lingering features and other improvements for Mesa 25.2. Making it into Mesa Git today was a big set of 42 patches for the Imagination PowerVR Vulkan driver...