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Add more error checks for swizzleInvocations{Masked}AMD()

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This commit is contained in:
Rex Xu 2018-03-07 17:22:41 +08:00
parent b2ae1d0521
commit e68a7698e6
1 changed files with 33 additions and 0 deletions
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33
glslang/MachineIndependent/ParseHelper.cpp
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@ -1493,6 +1493,39 @@ void TParseContext::builtInOpCheck(const TSourceLoc& loc, const TFunction& fnCan
requireExtensions(loc, 1, &E_GL_ARB_sparse_texture2, fnCandidate.getName().c_str());
break;
}
case EOpSwizzleInvocations:
{
if (! (*argp)[1]->getAsConstantUnion())
error(loc, "argument must be compile-time constant", "offset", "");
else {
unsigned offset[4] = {};
offset[0] = (*argp)[1]->getAsConstantUnion()->getConstArray()[0].getUConst();
offset[1] = (*argp)[1]->getAsConstantUnion()->getConstArray()[1].getUConst();
offset[2] = (*argp)[1]->getAsConstantUnion()->getConstArray()[2].getUConst();
offset[3] = (*argp)[1]->getAsConstantUnion()->getConstArray()[3].getUConst();
if (offset[0] > 3 || offset[1] > 3 || offset[2] > 3 || offset[3] > 3)
error(loc, "components must be in the range [0, 3]", "offset", "");
}
break;
}
case EOpSwizzleInvocationsMasked:
{
if (! (*argp)[1]->getAsConstantUnion())
error(loc, "argument must be compile-time constant", "mask", "");
else {
unsigned mask[3] = {};
mask[0] = (*argp)[1]->getAsConstantUnion()->getConstArray()[0].getUConst();
mask[1] = (*argp)[1]->getAsConstantUnion()->getConstArray()[1].getUConst();
mask[2] = (*argp)[1]->getAsConstantUnion()->getConstArray()[2].getUConst();
if (mask[0] > 31 || mask[1] > 31 || mask[2] > 31)
error(loc, "components must be in the range [0, 31]", "mask", "");
}
break;
}
#endif
case EOpTextureOffset: