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Parser: Precise: Recognize 'precise', tag types, and do related semantic checking.

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This partly overlaps pull request #222, we have divided the work on this one.
This commit is contained in:
John Kessenich 2016-05-04 12:36:14 -06:00
parent 758bb5520d
commit 17f0786418
15 changed files with 797 additions and 742 deletions
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6
glslang/Include/Types.h
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@ -390,6 +390,7 @@ public:
{
precision = EpqNone;
invariant = false;
noContraction = false;
makeTemporary();
}
@ -429,7 +430,8 @@ public:
TStorageQualifier storage : 6;
TBuiltInVariable builtIn : 8;
TPrecisionQualifier precision : 3;
bool invariant : 1;
bool invariant : 1; // require canonical treatment for cross-shader invariance
bool noContraction: 1; // prevent contraction and reassociation, e.g., for 'precise' keyword, and expressions it affects
bool centroid : 1;
bool smooth : 1;
bool flat : 1;
@ -1479,6 +1481,8 @@ public:
if (qualifier.invariant)
p += snprintf(p, end - p, "invariant ");
if (qualifier.noContraction)
p += snprintf(p, end - p, "noContraction ");
if (qualifier.centroid)
p += snprintf(p, end - p, "centroid ");
if (qualifier.smooth)