When compiling test shaders, we were setting SK_FRAGCOORD_BUILTIN on the
`coords` parameter to main() instead of SK_MAIN_COORDS_BUILTIN. These
two built-ins don't have the same type (float2 vs. float4) and don't
mean quite the same thing.
The SPIR-V code generator saw a variable with the SK_FRAGCOORD_BUILTIN
builtin value and assumed the presence of a global variable named
`sk_FragCoord`, which didn't exist (because it was never referenced in
the code, so it was never cloned in from the sksl_frag module).
This is only a concern when compiling test shaders with skslc; real
shaders don't hit these code paths. The generated code here is still
imperfect; if you look closely, you'll see the GLSL and Metal code is
referencing the `coords` variable but it's never declared anywhere.
Change-Id: I3ad249469927ff35eb1e75d6536f95317502708f
Bug: skia:12340
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/440520
Commit-Queue: John Stiles <johnstiles@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
We can now add functions to sksl_public.sksl with an $es3 prefix. These
will be allowed in a Runtime Effect when strict-ES2 mode is disabled.
Note that the CPU backend still doesn't have support for these calls,
and will fail ungracefully (assertion, nonsense result) if these
intrinsics are used.
The testing here is limited, due to an unrelated bug in SPIR-V
(skia:12340)
Change-Id: I9c911bc2b77f5051e80844607e7fd08ad386ee56
Bug: skia:12202, skia:12340
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/439058
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
'in' variables without locations aren't allowed. Use uniforms instead.
Bug: skia:11738
Change-Id: Ic066106deb7409cff154b4be7cfb3e03a7025c7d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/385000
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>
This will allow us to load these inputs for unit testing in `dm`.
Change-Id: Id256ba7c30d3ec94b98048e47af44cf9efe580d5
Bug: skia:11009
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/357282
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
