1 // Copyright 2016 The SwiftShader Authors. All Rights Reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef _LOCAL_INTERMEDIATE_INCLUDED_ 16 #define _LOCAL_INTERMEDIATE_INCLUDED_ 17 18 #include "intermediate.h" 19 20 struct TVectorFields { 21 int offsets[4]; 22 int num; 23 }; 24 25 // 26 // Set of helper functions to help parse and build the tree. 27 // 28 class TInfoSink; 29 class TIntermediate { 30 public: POOL_ALLOCATOR_NEW_DELETE()31 POOL_ALLOCATOR_NEW_DELETE() 32 33 TIntermediate(TInfoSink& i) : infoSink(i) { } 34 TIntermSymbol* addSymbol(int Id, const TString&, const TType&, const TSourceLoc&); 35 TIntermTyped* addBinaryMath(TOperator op, TIntermTyped* left, TIntermTyped* right, const TSourceLoc&); 36 TIntermTyped* addAssign(TOperator op, TIntermTyped* left, TIntermTyped* right, const TSourceLoc&); 37 TIntermTyped* addIndex(TOperator op, TIntermTyped* base, TIntermTyped* index, const TSourceLoc&); 38 TIntermTyped* addUnaryMath(TOperator op, TIntermTyped* child, const TSourceLoc&, const TType*); 39 TIntermAggregate* growAggregate(TIntermNode* left, TIntermNode* right, const TSourceLoc&); 40 TIntermAggregate* makeAggregate(TIntermNode* node, const TSourceLoc&); 41 TIntermAggregate* setAggregateOperator(TIntermNode*, TOperator, const TSourceLoc&); 42 TIntermNode* addSelection(TIntermTyped* cond, TIntermNodePair code, const TSourceLoc&); 43 TIntermTyped* addSelection(TIntermTyped* cond, TIntermTyped* trueBlock, TIntermTyped* falseBlock, const TSourceLoc&); 44 TIntermSwitch *addSwitch(TIntermTyped *init, TIntermAggregate *statementList, const TSourceLoc &line); 45 TIntermCase *addCase(TIntermTyped *condition, const TSourceLoc &line); 46 TIntermTyped* addComma(TIntermTyped* left, TIntermTyped* right, const TSourceLoc&); 47 TIntermConstantUnion* addConstantUnion(ConstantUnion*, const TType&, const TSourceLoc&); 48 TIntermTyped* promoteConstantUnion(TBasicType, TIntermConstantUnion*); 49 bool parseConstTree(const TSourceLoc&, TIntermNode*, ConstantUnion*, TOperator, TType, bool singleConstantParam = false); 50 TIntermNode* addLoop(TLoopType, TIntermNode*, TIntermTyped*, TIntermTyped*, TIntermNode*, const TSourceLoc&); 51 TIntermBranch* addBranch(TOperator, const TSourceLoc&); 52 TIntermBranch* addBranch(TOperator, TIntermTyped*, const TSourceLoc&); 53 TIntermTyped* addSwizzle(TVectorFields&, const TSourceLoc&); 54 bool postProcess(TIntermNode*); 55 void outputTree(TIntermNode*); 56 57 protected: 58 TInfoSink& infoSink; 59 60 private: 61 void operator=(TIntermediate&); // prevent assignments 62 }; 63 64 #endif // _LOCAL_INTERMEDIATE_INCLUDED_ 65