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(); TIntermediate(TInfoSink & i)26 TIntermediate(TInfoSink& i) : infoSink(i) { } 27 28 TIntermSymbol* addSymbol(int Id, const TString&, const TType&, const TSourceLoc&); 29 TIntermTyped* addConversion(TOperator, const TType&, TIntermTyped*); 30 TIntermTyped* addBinaryMath(TOperator op, TIntermTyped* left, TIntermTyped* right, const TSourceLoc&, TSymbolTable&); 31 TIntermTyped* addAssign(TOperator op, TIntermTyped* left, TIntermTyped* right, const TSourceLoc&); 32 TIntermTyped* addIndex(TOperator op, TIntermTyped* base, TIntermTyped* index, const TSourceLoc&); 33 TIntermTyped* addUnaryMath(TOperator op, TIntermNode* child, const TSourceLoc&, TSymbolTable&); 34 TIntermAggregate* growAggregate(TIntermNode* left, TIntermNode* right, const TSourceLoc&); 35 TIntermAggregate* makeAggregate(TIntermNode* node, const TSourceLoc&); 36 TIntermAggregate* setAggregateOperator(TIntermNode*, TOperator, const TSourceLoc&); 37 TIntermNode* addSelection(TIntermTyped* cond, TIntermNodePair code, const TSourceLoc&); 38 TIntermTyped* addSelection(TIntermTyped* cond, TIntermTyped* trueBlock, TIntermTyped* falseBlock, const TSourceLoc&); 39 TIntermTyped* addComma(TIntermTyped* left, TIntermTyped* right, const TSourceLoc&); 40 TIntermConstantUnion* addConstantUnion(ConstantUnion*, const TType&, const TSourceLoc&); 41 TIntermTyped* promoteConstantUnion(TBasicType, TIntermConstantUnion*) ; 42 bool parseConstTree(const TSourceLoc&, TIntermNode*, ConstantUnion*, TOperator, TSymbolTable&, TType, bool singleConstantParam = false); 43 TIntermNode* addLoop(TLoopType, TIntermNode*, TIntermTyped*, TIntermTyped*, TIntermNode*, const TSourceLoc&); 44 TIntermBranch* addBranch(TOperator, const TSourceLoc&); 45 TIntermBranch* addBranch(TOperator, TIntermTyped*, const TSourceLoc&); 46 TIntermTyped* addSwizzle(TVectorFields&, const TSourceLoc&); 47 bool postProcess(TIntermNode*); 48 void remove(TIntermNode*); 49 void outputTree(TIntermNode*); 50 51 private: 52 void operator=(TIntermediate&); // prevent assignments 53 54 TInfoSink& infoSink; 55 }; 56 57 #endif // _LOCAL_INTERMEDIATE_INCLUDED_ 58