[Mesa-dev] [PATCH 0/2] Implement INTEL_fragment_shader_ordering

Eero Tamminen eero.t.tamminen at intel.com
Tue Aug 28 16:34:34 UTC 2018


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:

	- 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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