1 // 2 // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 7 #ifndef _LOCAL_INTERMEDIATE_INCLUDED_ 8 #define _LOCAL_INTERMEDIATE_INCLUDED_ 9 10 #include "GLSLANG/ShaderLang.h" 11 #include "compiler/intermediate.h" 12 #include "compiler/SymbolTable.h" 13 14 struct TVectorFields { 15 int offsets[4]; 16 int num; 17 }; 18 19 // 20 // Set of helper functions to help parse and build the tree. 21 // 22 class TInfoSink; 23 class TIntermediate { 24 public: 25 POOL_ALLOCATOR_NEW_DELETE(GlobalPoolAllocator) 26 27 TIntermediate(TInfoSink& i) : infoSink(i) { } 28 TIntermSymbol* addSymbol(int Id, const TString&, const TType&, TSourceLoc); 29 TIntermTyped* addConversion(TOperator, const TType&, TIntermTyped*); 30 TIntermTyped* addBinaryMath(TOperator op, TIntermTyped* left, TIntermTyped* right, TSourceLoc, TSymbolTable&); 31 TIntermTyped* addAssign(TOperator op, TIntermTyped* left, TIntermTyped* right, TSourceLoc); 32 TIntermTyped* addIndex(TOperator op, TIntermTyped* base, TIntermTyped* index, TSourceLoc); 33 TIntermTyped* addUnaryMath(TOperator op, TIntermNode* child, TSourceLoc, TSymbolTable&); 34 TIntermAggregate* growAggregate(TIntermNode* left, TIntermNode* right, TSourceLoc); 35 TIntermAggregate* makeAggregate(TIntermNode* node, TSourceLoc); 36 TIntermAggregate* setAggregateOperator(TIntermNode*, TOperator, TSourceLoc); 37 TIntermNode* addSelection(TIntermTyped* cond, TIntermNodePair code, TSourceLoc); 38 TIntermTyped* addSelection(TIntermTyped* cond, TIntermTyped* trueBlock, TIntermTyped* falseBlock, TSourceLoc); 39 TIntermTyped* addComma(TIntermTyped* left, TIntermTyped* right, TSourceLoc); 40 TIntermConstantUnion* addConstantUnion(ConstantUnion*, const TType&, TSourceLoc); 41 TIntermTyped* promoteConstantUnion(TBasicType, TIntermConstantUnion*) ; 42 bool parseConstTree(TSourceLoc, TIntermNode*, ConstantUnion*, TOperator, TSymbolTable&, TType, bool singleConstantParam = false); 43 TIntermNode* addLoop(TLoopType, TIntermNode*, TIntermTyped*, TIntermTyped*, TIntermNode*, TSourceLoc); 44 TIntermBranch* addBranch(TOperator, TSourceLoc); 45 TIntermBranch* addBranch(TOperator, TIntermTyped*, TSourceLoc); 46 TIntermTyped* addSwizzle(TVectorFields&, TSourceLoc); 47 bool postProcess(TIntermNode*); 48 void remove(TIntermNode*); 49 void outputTree(TIntermNode*); 50 51 protected: 52 TInfoSink& infoSink; 53 54 private: 55 void operator=(TIntermediate&); // prevent assignments 56 }; 57 58 #endif // _LOCAL_INTERMEDIATE_INCLUDED_ 59
