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Front-end: Warn for likely missed change in default precisions.

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This is part of the change to have desktop shaders respect precision
qualifiers on Vulkan, but since the defaults are all highp, and that's
different from ES fragment shaders, detect likely cases and warn about
them (but being careful to not be too noisy if it's unlikely to be a
problem).
This commit is contained in:
John Kessenich 2016-08-03 17:35:19 -06:00
parent 54571c2519
commit 32c169dbdf
10 changed files with 682 additions and 610 deletions
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7
Test/baseResults/spv.structAssignment.frag.out
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@ -1,4 +1,7 @@
spv.structAssignment.frag
WARNING: 0:6: '' : all default precisions are highp; use precision statements to quiet warning, e.g.:
"precision mediump int; precision highp float;"
Linked fragment stage:
@ -33,6 +36,10 @@ Linked fragment stage:
Name 40 "samp2D"
Name 44 "coord"
Name 49 "foo"
MemberDecorate 8(lunarStruct1) 0 RelaxedPrecision
MemberDecorate 9(lunarStruct2) 0 RelaxedPrecision
MemberDecorate 10(lunarStruct3) 1 RelaxedPrecision
Decorate 16 RelaxedPrecision
Decorate 40(samp2D) DescriptorSet 0
Decorate 44(coord) RelaxedPrecision
Decorate 45 RelaxedPrecision