diff options
Diffstat (limited to 'source/slang/slang-emit-spirv.cpp')
| -rw-r--r-- | source/slang/slang-emit-spirv.cpp | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/source/slang/slang-emit-spirv.cpp b/source/slang/slang-emit-spirv.cpp index d5697117a..1b59d3070 100644 --- a/source/slang/slang-emit-spirv.cpp +++ b/source/slang/slang-emit-spirv.cpp @@ -6481,12 +6481,19 @@ struct SPIRVEmitContext : public SourceEmitterBase, public SPIRVEmitSharedContex SpvStorageClassPhysicalStorageBuffer) { // If inst has a pointer type with PhysicalStorageBuffer address space, - // emit AliasedPointer decoration. - emitOpDecorate( - getSection(SpvLogicalSectionID::Annotations), - nullptr, - varInst, - (isVar ? SpvDecorationAliasedPointer : SpvDecorationAliased)); + // emit AliasedPointer or RestrictPointer decoration. + SpvDecoration decor; + if (ptrType->getAccessQualifier() == AccessQualifier::Immutable) + { + // We can always safely use RestrictPointer for immutable pointers. + // This will allow better optimization. + decor = isVar ? SpvDecorationRestrictPointer : SpvDecorationRestrict; + } + else + { + decor = isVar ? SpvDecorationAliasedPointer : SpvDecorationAliased; + } + emitOpDecorate(getSection(SpvLogicalSectionID::Annotations), nullptr, varInst, decor); } else { |