[Mesa-dev] [PATCH 3/3] vc4: Add NIR->QIR control flow graph loops

[Eric Anholt]

Rhys Kidd <rhyskidd at gmail.com> writes:

> Fixes the following piglit tests:
> - shaders/complex-loop-analysis-bug
> - shaders/glsl-fs-discard-04
>
> Converts the following piglit tests from crash to fail:
> - shaders/glsl-fs-continue-inside-do-while
> - shaders/glsl-fs-loop
> - shaders/glsl-fs-loop-continue
> - shaders/glsl-fs-loop-nested
> - shaders/glsl-texcoord-array
> - shaders/glsl-vs-continue-inside-do-while
> - shaders/glsl-vs-loop
> - shaders/glsl-vs-loop-continue
> - shaders/glsl-vs-loop-nested
>
> No piglit regressions.
>
> Signed-off-by: Rhys Kidd <rhyskidd at gmail.com>

I've been working toward adding real looping support to vc4 for a while
now.  I'm not sure doing this without doing actual loop support is that
valuable.  I think I'd at least like a strong stderr warning that "we
know we're compiiling things totally incorrectly and your rendering will
be wrong".
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