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Explicitly mark some enums as unsigned

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This allows casting from and to any unsigned value, previously this was
undefined behavior.

This fixes ubsan complaining in `TParseContext::layoutQualifierCheck`,
where `~EShLangComputeMask` is used.
This commit is contained in:
Sebastian Neubauer 2020-05-08 13:52:18 +02:00
parent b5f003d7a3
commit 91ac60fc52
2 changed files with 3 additions and 3 deletions
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2
glslang/MachineIndependent/Versions.h
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@ -52,7 +52,7 @@
// Don't maintain an ordinal set of enums (0,1,2,3...) to avoid all possible
// defects from mixing the two different forms.
//
typedef enum {
typedef enum : unsigned {
EBadProfile = 0,
ENoProfile = (1 << 0), // only for desktop, before profiles showed up
ECoreProfile = (1 << 1),

4
glslang/Public/ShaderLang.h
View File

@ -109,7 +109,7 @@ typedef enum {
LAST_ELEMENT_MARKER(EShLangCount),
} EShLanguage; // would be better as stage, but this is ancient now
typedef enum {
typedef enum : unsigned {
EShLangVertexMask = (1 << EShLangVertex),
EShLangTessControlMask = (1 << EShLangTessControl),
EShLangTessEvaluationMask = (1 << EShLangTessEvaluation),
@ -240,7 +240,7 @@ typedef enum {
//
// Message choices for what errors and warnings are given.
//
enum EShMessages {
enum EShMessages : unsigned {
EShMsgDefault = 0, // default is to give all required errors and extra warnings
EShMsgRelaxedErrors = (1 << 0), // be liberal in accepting input
EShMsgSuppressWarnings = (1 << 1), // suppress all warnings, except those required by the specification