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Avoid underflow when calculating padding bytes

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baldurk
2020-06-05 19:36:02 +01:00
parent 4add5bfbf5
commit f40490c049
1 changed files with 5 additions and 4 deletions
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qrenderdoc/Code/BufferFormatter.cpp
+5 -4
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@@ -933,11 +933,12 @@ QString BufferFormatter::DeclareStruct(QList<QString> &declaredStructs, const QS
lastMemberStart += lastChild->byteOffset;
}
const uint32_t size = GetVarSize(*lastChild);
uint32_t padBytes = requiredByteStride - (lastMemberStart + size);
const uint32_t structEnd = lastMemberStart + GetVarSize(*lastChild);
if(padBytes > 0)
ret += lit(" ") + DeclarePaddingBytes(padBytes);
if(requiredByteStride > structEnd)
ret += lit(" ") + DeclarePaddingBytes(requiredByteStride - structEnd);
else
qCritical() << "Unexpected stride overlow at struct" << name;
}
ret += lit("}\n");