diff options
Diffstat (limited to 'src/3rdparty/angle/src/compiler/translator/QualifierAlive.cpp')
-rw-r--r-- | src/3rdparty/angle/src/compiler/translator/QualifierAlive.cpp | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/QualifierAlive.cpp b/src/3rdparty/angle/src/compiler/translator/QualifierAlive.cpp deleted file mode 100644 index 3d950aab5a..0000000000 --- a/src/3rdparty/angle/src/compiler/translator/QualifierAlive.cpp +++ /dev/null @@ -1,58 +0,0 @@ -// -// Copyright (c) 2002-2010 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/IntermNode.h" - -class TAliveTraverser : public TIntermTraverser { -public: - TAliveTraverser(TQualifier q) : TIntermTraverser(true, false, false, true), found(false), qualifier(q) - { - } - - bool wasFound() { return found; } - -protected: - bool found; - TQualifier qualifier; - - void visitSymbol(TIntermSymbol*); - bool visitSelection(Visit, TIntermSelection*); -}; - -// -// Report whether or not a variable of the given qualifier type -// is guaranteed written. Not always possible to determine if -// it is written conditionally. -// -// ?? It does not do this well yet, this is just a place holder -// that simply determines if it was reference at all, anywhere. -// -bool QualifierWritten(TIntermNode* node, TQualifier qualifier) -{ - TAliveTraverser it(qualifier); - - if (node) - node->traverse(&it); - - return it.wasFound(); -} - -void TAliveTraverser::visitSymbol(TIntermSymbol* node) -{ - // - // If it's what we're looking for, record it. - // - if (node->getQualifier() == qualifier) - found = true; -} - -bool TAliveTraverser::visitSelection(Visit, TIntermSelection*) -{ - if (wasFound()) - return false; - - return true; -} |