Hi,
On 28.08.2018 19:15, Rogovin, Kevin wrote:
On the questions of tests: If people want, I can adapt the test in piglit for
ARB_fragment_shader_interlock to this INTEL one. In general, I have an
app/library that uses the extension and testing of that does definitely work on
i965 (which should be utterly unsurprising since the produced assembly is
identical).
Did you mean this library:
https://01.org/fast-ui-draw
?
- Eero
Indeed the current implementation in Mesa of ARB_fragment_shader_interlock is
as flexible as the INTEL one since the compiler accepts code with the begin/end
interlock anywhere since the only backend that supports it, i965, can easily
accept it. I view the INTEL_fragment_shader_ordering implementation in a
similar light as the NV_fragment_shader_interlock where it actually does not
really do anything new, but signals to an application that the Mesa/i965
implementation allows more (and does it correctly) than the ARB/NV extensions
restrict to.
-Kevin
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