On Tuesday, March 23, 2021 6:28:23 AM PDT Jason Ekstrand wrote: > On March 23, 2021 01:46:54 Kenneth Graunke <kenn...@whitecape.org> wrote: [snip] > > One extra thought: can we also fork off anv Gen7.x support at the same > > time? If distros are already going to be building i965 for Gen7.x from > > that branch, building Vulkan from there should be easy as well. > > I'm not sure how I feel about that one. Here are some thoughts: > > 1. I'd love to have it out of the way > 2. Unlike i965, it is still picking up features. Part of what makes > dropping i965 a reasonable idea is that OpenGL is also in maintenance mode. > Vulkan isn't. > 3. Generally, things are architected well enough that relocations aren't a > problem. > 4. Being able to always do batch chaining would be nice. > 5. The only new feature still in development for i965 is > GL_EXT_external_objects. That would be more reliable if Gen7 ANV and i965 > were in the same branch. > 6. If crocus gets GL_EXT_external_objects, it'll be better if Gen7 ANV is > in the master branch. > 7. I'd love to stop caring about vec4.
Point 2 is true. I'm not sure I agree about 3, the anv execbuf handling is a lot more complicated than I think it needs to be. It would be really nice to cull vec4 and MRF support from the compiler as well---and all of the vec4/fs code sharing and base classes. That would be really nice. But, I guess that if crocus comes into existence, then we need all that again. That's unfortunate :( --Ken
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