chromium/third_party/angle/src/compiler/translator/tree_ops/InitializeVariables.cpp

//
// Copyright 2002 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/tree_ops/InitializeVariables.h"

#include "angle_gl.h"
#include "common/debug.h"
#include "compiler/translator/Compiler.h"
#include "compiler/translator/StaticType.h"
#include "compiler/translator/SymbolTable.h"
#include "compiler/translator/tree_util/FindMain.h"
#include "compiler/translator/tree_util/FindSymbolNode.h"
#include "compiler/translator/tree_util/IntermNode_util.h"
#include "compiler/translator/tree_util/IntermTraverse.h"
#include "compiler/translator/util.h"

namespace sh
{

namespace
{

void AddArrayZeroInitSequence(const TIntermTyped *initializedNode,
                              bool canUseLoopsToInitialize,
                              bool highPrecisionSupported,
                              TIntermSequence *initSequenceOut,
                              TSymbolTable *symbolTable);

void AddStructZeroInitSequence(const TIntermTyped *initializedNode,
                               bool canUseLoopsToInitialize,
                               bool highPrecisionSupported,
                               TIntermSequence *initSequenceOut,
                               TSymbolTable *symbolTable);

TIntermBinary *CreateZeroInitAssignment(const TIntermTyped *initializedNode)
{ … }

void AddZeroInitSequence(const TIntermTyped *initializedNode,
                         bool canUseLoopsToInitialize,
                         bool highPrecisionSupported,
                         TIntermSequence *initSequenceOut,
                         TSymbolTable *symbolTable)
{ … }

void AddStructZeroInitSequence(const TIntermTyped *initializedNode,
                               bool canUseLoopsToInitialize,
                               bool highPrecisionSupported,
                               TIntermSequence *initSequenceOut,
                               TSymbolTable *symbolTable)
{ … }

void AddArrayZeroInitStatementList(const TIntermTyped *initializedNode,
                                   bool canUseLoopsToInitialize,
                                   bool highPrecisionSupported,
                                   TIntermSequence *initSequenceOut,
                                   TSymbolTable *symbolTable)
{ … }

void AddArrayZeroInitForLoop(const TIntermTyped *initializedNode,
                             bool highPrecisionSupported,
                             TIntermSequence *initSequenceOut,
                             TSymbolTable *symbolTable)
{ … }

void AddArrayZeroInitSequence(const TIntermTyped *initializedNode,
                              bool canUseLoopsToInitialize,
                              bool highPrecisionSupported,
                              TIntermSequence *initSequenceOut,
                              TSymbolTable *symbolTable)
{ … }

void InsertInitCode(TCompiler *compiler,
                    TIntermBlock *root,
                    const InitVariableList &variables,
                    TSymbolTable *symbolTable,
                    int shaderVersion,
                    const TExtensionBehavior &extensionBehavior,
                    bool canUseLoopsToInitialize,
                    bool highPrecisionSupported)
{ … }

class InitializeLocalsTraverser : public TIntermTraverser
{ … };

}  // namespace

void CreateInitCode(const TIntermTyped *initializedSymbol,
                    bool canUseLoopsToInitialize,
                    bool highPrecisionSupported,
                    TIntermSequence *initCode,
                    TSymbolTable *symbolTable)
{ … }

bool InitializeUninitializedLocals(TCompiler *compiler,
                                   TIntermBlock *root,
                                   int shaderVersion,
                                   bool canUseLoopsToInitialize,
                                   bool highPrecisionSupported,
                                   TSymbolTable *symbolTable)
{ … }

bool InitializeVariables(TCompiler *compiler,
                         TIntermBlock *root,
                         const InitVariableList &vars,
                         TSymbolTable *symbolTable,
                         int shaderVersion,
                         const TExtensionBehavior &extensionBehavior,
                         bool canUseLoopsToInitialize,
                         bool highPrecisionSupported)
{ … }

}  // namespace sh