diff options
Diffstat (limited to 'src/3rdparty/angle/src/compiler/translator/SeparateArrayInitialization.cpp')
-rw-r--r-- | src/3rdparty/angle/src/compiler/translator/SeparateArrayInitialization.cpp | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/SeparateArrayInitialization.cpp b/src/3rdparty/angle/src/compiler/translator/SeparateArrayInitialization.cpp deleted file mode 100644 index fe25823e38..0000000000 --- a/src/3rdparty/angle/src/compiler/translator/SeparateArrayInitialization.cpp +++ /dev/null @@ -1,92 +0,0 @@ -// -// Copyright (c) 2002-2015 The ANGLE Project Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. -// -// The SeparateArrayInitialization function splits each array initialization into a declaration and -// an assignment. -// Example: -// type[n] a = initializer; -// will effectively become -// type[n] a; -// a = initializer; -// -// Note that if the array is declared as const, the initialization may still be split, making the -// AST technically invalid. Because of that this transformation should only be used when subsequent -// stages don't care about const qualifiers. However, the initialization will not be split if the -// initializer can be written as a HLSL literal. - -#include "compiler/translator/SeparateArrayInitialization.h" - -#include "compiler/translator/IntermNode.h" -#include "compiler/translator/OutputHLSL.h" - -namespace sh -{ - -namespace -{ - -class SeparateArrayInitTraverser : private TIntermTraverser -{ - public: - static void apply(TIntermNode *root); - - private: - SeparateArrayInitTraverser(); - bool visitDeclaration(Visit, TIntermDeclaration *node) override; -}; - -void SeparateArrayInitTraverser::apply(TIntermNode *root) -{ - SeparateArrayInitTraverser separateInit; - root->traverse(&separateInit); - separateInit.updateTree(); -} - -SeparateArrayInitTraverser::SeparateArrayInitTraverser() : TIntermTraverser(true, false, false) -{ -} - -bool SeparateArrayInitTraverser::visitDeclaration(Visit, TIntermDeclaration *node) -{ - TIntermSequence *sequence = node->getSequence(); - TIntermBinary *initNode = sequence->back()->getAsBinaryNode(); - if (initNode != nullptr && initNode->getOp() == EOpInitialize) - { - TIntermTyped *initializer = initNode->getRight(); - if (initializer->isArray() && !sh::OutputHLSL::canWriteAsHLSLLiteral(initializer)) - { - // We rely on that array declarations have been isolated to single declarations. - ASSERT(sequence->size() == 1); - TIntermTyped *symbol = initNode->getLeft(); - TIntermBlock *parentBlock = getParentNode()->getAsBlock(); - ASSERT(parentBlock != nullptr); - - TIntermSequence replacements; - - TIntermDeclaration *replacementDeclaration = new TIntermDeclaration(); - replacementDeclaration->appendDeclarator(symbol); - replacementDeclaration->setLine(symbol->getLine()); - replacements.push_back(replacementDeclaration); - - TIntermBinary *replacementAssignment = - new TIntermBinary(EOpAssign, symbol, initializer); - replacementAssignment->setLine(symbol->getLine()); - replacements.push_back(replacementAssignment); - - mMultiReplacements.push_back( - NodeReplaceWithMultipleEntry(parentBlock, node, replacements)); - } - } - return false; -} - -} // namespace - -void SeparateArrayInitialization(TIntermNode *root) -{ - SeparateArrayInitTraverser::apply(root); -} - -} // namespace sh |