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Allow 8/16-bit integer as array index

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Also enable 8/16 bit int capability in SPIR-V in such cases.

Also enable 64 bit capabilities when used in operations.

Fixes #2779
This commit is contained in:
Greg Fischer 2021-10-18 18:28:01 -06:00
parent 6351fcef28
commit 82b2668d58
6 changed files with 988 additions and 924 deletions
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7
glslang/MachineIndependent/ParseHelper.cpp
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@ -3029,11 +3029,14 @@ void TParseContext::constantValueCheck(TIntermTyped* node, const char* token)
//
// Both test, and if necessary spit out an error, to see if the node is really
// an integer.
// a 32-bit integer or can implicitly convert to one.
//
void TParseContext::integerCheck(const TIntermTyped* node, const char* token)
{
if ((node->getBasicType() == EbtInt || node->getBasicType() == EbtUint) && node->isScalar())
auto from_type = node->getBasicType();
if ((from_type == EbtInt || from_type == EbtUint ||
intermediate.canImplicitlyPromote(from_type, EbtInt, EOpNull) ||
intermediate.canImplicitlyPromote(from_type, EbtUint, EOpNull)) && node->isScalar())
return;
error(node->getLoc(), "scalar integer expression required", token, "");