Hi,
On 26.09.2017 12:04, Timothy Arceri wrote:
On 26/09/17 17:50, Kenneth Graunke wrote:
[...]
2. It would be great to use this in anv as well, especially given that
it has no GLSL IR linking to do this sort of stuff. Plus, the SPIR-V
might be compiled independently...and when you build the pipeline,
you have all the stages and can do cross-stage linking optimizations
like this.
Yeah the reason for doing this was to eventually add it to radv. i965
was just a nicer place to test it, same goes for the passes that will
follow. Right now the biggest blocked is justifying the added complexity
as there isn't a standard shader-db like tool, and it's not making any
noticeable differences in any benchmarks.
I think the old GLBenchmark v2.5 / v2.7 tests (e.g. Egypt) might be
something where cross-stage linking optimizations impact could show up.
- Eero
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