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Misc. constant-folding fixes: Check % for 0, mat(mat) constructor, index range checking (within constant objects). Also, rationalize addConst*() methods.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@23973 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2013-11-08 21:47:56 +00:00
parent 6d7fe63d76
commit 0876a58203
9 changed files with 245 additions and 114 deletions
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10
glslang/MachineIndependent/Constant.cpp
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@ -166,7 +166,7 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, TIntermTyped* constantNod
case EbtInt:
if (rightUnionArray[i] == 0) {
newConstArray[i].setIConst(0xEFFFFFFF);
newConstArray[i].setIConst(0x7FFFFFFF);
} else
newConstArray[i].setIConst(unionArray[i].getIConst() / rightUnionArray[i].getIConst());
break;
@ -207,8 +207,12 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, TIntermTyped* constantNod
break;
case EOpMod:
for (int i = 0; i < objectSize; i++)
newConstArray[i] = unionArray[i] % rightUnionArray[i];
for (int i = 0; i < objectSize; i++) {
if (rightUnionArray[i] == 0)
newConstArray[i] = unionArray[i];
else
newConstArray[i] = unionArray[i] % rightUnionArray[i];
}
break;
case EOpRightShift: