diff options
author | wolfbeast <mcwerewolf@gmail.com> | 2018-07-18 08:24:24 +0200 |
---|---|---|
committer | wolfbeast <mcwerewolf@gmail.com> | 2018-07-18 08:24:24 +0200 |
commit | fc61780b35af913801d72086456f493f63197da6 (patch) | |
tree | f85891288a7bd988da9f0f15ae64e5c63f00d493 /gfx/angle/src/compiler/translator/PruneEmptyDeclarations.cpp | |
parent | 69f7f9e5f1475891ce11cc4f431692f965b0cd30 (diff) | |
parent | 50d3e596bbe89c95615f96eb71f6bc5be737a1db (diff) | |
download | UXP-9ccb235f04529c1ec345d87dad6521cb567d20bb.tar UXP-9ccb235f04529c1ec345d87dad6521cb567d20bb.tar.gz UXP-9ccb235f04529c1ec345d87dad6521cb567d20bb.tar.lz UXP-9ccb235f04529c1ec345d87dad6521cb567d20bb.tar.xz UXP-9ccb235f04529c1ec345d87dad6521cb567d20bb.zip |
Merge commit '50d3e596bbe89c95615f96eb71f6bc5be737a1db' into Basilisk-releasev2018.07.18
# Conflicts:
# browser/app/profile/firefox.js
# browser/components/preferences/jar.mn
Diffstat (limited to 'gfx/angle/src/compiler/translator/PruneEmptyDeclarations.cpp')
-rwxr-xr-x | gfx/angle/src/compiler/translator/PruneEmptyDeclarations.cpp | 105 |
1 files changed, 47 insertions, 58 deletions
diff --git a/gfx/angle/src/compiler/translator/PruneEmptyDeclarations.cpp b/gfx/angle/src/compiler/translator/PruneEmptyDeclarations.cpp index 7ec434796..8cbeb7dee 100755 --- a/gfx/angle/src/compiler/translator/PruneEmptyDeclarations.cpp +++ b/gfx/angle/src/compiler/translator/PruneEmptyDeclarations.cpp @@ -9,9 +9,6 @@ #include "compiler/translator/IntermNode.h" -namespace sh -{ - namespace { @@ -21,7 +18,7 @@ class PruneEmptyDeclarationsTraverser : private TIntermTraverser static void apply(TIntermNode *root); private: PruneEmptyDeclarationsTraverser(); - bool visitDeclaration(Visit, TIntermDeclaration *node) override; + bool visitAggregate(Visit, TIntermAggregate *node) override; }; void PruneEmptyDeclarationsTraverser::apply(TIntermNode *root) @@ -36,71 +33,65 @@ PruneEmptyDeclarationsTraverser::PruneEmptyDeclarationsTraverser() { } -bool PruneEmptyDeclarationsTraverser::visitDeclaration(Visit, TIntermDeclaration *node) +bool PruneEmptyDeclarationsTraverser::visitAggregate(Visit, TIntermAggregate *node) { - TIntermSequence *sequence = node->getSequence(); - if (sequence->size() >= 1) + if (node->getOp() == EOpDeclaration) { - TIntermSymbol *sym = sequence->front()->getAsSymbolNode(); - // Prune declarations without a variable name, unless it's an interface block declaration. - if (sym != nullptr && sym->getSymbol() == "" && !sym->isInterfaceBlock()) + TIntermSequence *sequence = node->getSequence(); + if (sequence->size() >= 1) { - if (sequence->size() > 1) - { - // Generate a replacement that will remove the empty declarator in the beginning of - // a declarator list. Example of a declaration that will be changed: - // float, a; - // will be changed to - // float a; - // This applies also to struct declarations. - TIntermSequence emptyReplacement; - mMultiReplacements.push_back( - NodeReplaceWithMultipleEntry(node, sym, emptyReplacement)); - } - else if (sym->getBasicType() != EbtStruct) + TIntermSymbol *sym = sequence->front()->getAsSymbolNode(); + // Prune declarations without a variable name, unless it's an interface block declaration. + if (sym != nullptr && sym->getSymbol() == "" && !sym->isInterfaceBlock()) { - // Single struct declarations may just declare the struct type and no variables, so - // they should not be pruned. All other single empty declarations can be pruned - // entirely. Example of an empty declaration that will be pruned: - // float; - TIntermSequence emptyReplacement; - TIntermBlock *parentAsBlock = getParentNode()->getAsBlock(); - // The declaration may be inside a block or in a loop init expression. - ASSERT(parentAsBlock != nullptr || getParentNode()->getAsLoopNode() != nullptr); - if (parentAsBlock) + if (sequence->size() > 1) { - mMultiReplacements.push_back( - NodeReplaceWithMultipleEntry(parentAsBlock, node, emptyReplacement)); + // Generate a replacement that will remove the empty declarator in the beginning of a declarator + // list. Example of a declaration that will be changed: + // float, a; + // will be changed to + // float a; + // This applies also to struct declarations. + TIntermSequence emptyReplacement; + mMultiReplacements.push_back(NodeReplaceWithMultipleEntry(node, sym, emptyReplacement)); } - else + else if (sym->getBasicType() != EbtStruct) { - queueReplacement(node, nullptr, OriginalNode::IS_DROPPED); + // Single struct declarations may just declare the struct type and no variables, so they should + // not be pruned. All other single empty declarations can be pruned entirely. Example of an empty + // declaration that will be pruned: + // float; + TIntermSequence emptyReplacement; + TIntermAggregate *parentAgg = getParentNode()->getAsAggregate(); + ASSERT(parentAgg != nullptr); + mMultiReplacements.push_back(NodeReplaceWithMultipleEntry(parentAgg, node, emptyReplacement)); } - } - else if (sym->getType().getQualifier() != EvqGlobal && - sym->getType().getQualifier() != EvqTemporary) - { - // We've hit an empty struct declaration with a qualifier, for example like - // this: - // const struct a { int i; }; - // NVIDIA GL driver version 367.27 doesn't accept this kind of declarations, so - // we convert the declaration to a regular struct declaration. This is okay, - // since ESSL 1.00 spec section 4.1.8 says about structs that "The optional - // qualifiers only apply to any declarators, and are not part of the type being - // defined for name." - - if (mInGlobalScope) - { - sym->getTypePointer()->setQualifier(EvqGlobal); - } - else + else if (sym->getType().getQualifier() != EvqGlobal && + sym->getType().getQualifier() != EvqTemporary) { - sym->getTypePointer()->setQualifier(EvqTemporary); + // We've hit an empty struct declaration with a qualifier, for example like + // this: + // const struct a { int i; }; + // NVIDIA GL driver version 367.27 doesn't accept this kind of declarations, so + // we convert the declaration to a regular struct declaration. This is okay, + // since ESSL 1.00 spec section 4.1.8 says about structs that "The optional + // qualifiers only apply to any declarators, and are not part of the type being + // defined for name." + + if (mInGlobalScope) + { + sym->getTypePointer()->setQualifier(EvqGlobal); + } + else + { + sym->getTypePointer()->setQualifier(EvqTemporary); + } } } } + return false; } - return false; + return true; } } // namespace @@ -109,5 +100,3 @@ void PruneEmptyDeclarations(TIntermNode *root) { PruneEmptyDeclarationsTraverser::apply(root); } - -} // namespace sh |