diff options
Diffstat (limited to 'gfx/angle/src/compiler/translator/AddAndTrueToLoopCondition.cpp')
-rw-r--r-- | gfx/angle/src/compiler/translator/AddAndTrueToLoopCondition.cpp | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/gfx/angle/src/compiler/translator/AddAndTrueToLoopCondition.cpp b/gfx/angle/src/compiler/translator/AddAndTrueToLoopCondition.cpp deleted file mode 100644 index 0177fea96..000000000 --- a/gfx/angle/src/compiler/translator/AddAndTrueToLoopCondition.cpp +++ /dev/null @@ -1,59 +0,0 @@ -// -// Copyright (c) 2016 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. -// - -#include "compiler/translator/AddAndTrueToLoopCondition.h" - -#include "compiler/translator/IntermNode.h" - -namespace sh -{ - -namespace -{ - -// An AST traverser that rewrites for and while loops by replacing "condition" with -// "condition && true" to work around condition bug on Intel Mac. -class AddAndTrueToLoopConditionTraverser : public TIntermTraverser -{ - public: - AddAndTrueToLoopConditionTraverser() : TIntermTraverser(true, false, false) {} - - bool visitLoop(Visit, TIntermLoop *loop) override - { - // do-while loop doesn't have this bug. - if (loop->getType() != ELoopFor && loop->getType() != ELoopWhile) - { - return true; - } - - // For loop may not have a condition. - if (loop->getCondition() == nullptr) - { - return true; - } - - // Constant true. - TConstantUnion *trueConstant = new TConstantUnion(); - trueConstant->setBConst(true); - TIntermTyped *trueValue = new TIntermConstantUnion(trueConstant, TType(EbtBool)); - - // CONDITION && true. - TIntermBinary *andOp = new TIntermBinary(EOpLogicalAnd, loop->getCondition(), trueValue); - loop->setCondition(andOp); - - return true; - } -}; - -} // anonymous namespace - -void AddAndTrueToLoopCondition(TIntermNode *root) -{ - AddAndTrueToLoopConditionTraverser traverser; - root->traverse(&traverser); -} - -} // namespace sh |