1 // 2 // Copyright (c) 2012 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 #pragma warning(disable: 4718) 8 9 #include "compiler/translator/depgraph/DependencyGraph.h" 10 #include "compiler/translator/depgraph/DependencyGraphBuilder.h" 11 12 TDependencyGraph::TDependencyGraph(TIntermNode* intermNode) 13 { 14 TDependencyGraphBuilder::build(intermNode, this); 15 } 16 17 TDependencyGraph::~TDependencyGraph() 18 { 19 for (TGraphNodeVector::const_iterator iter = mAllNodes.begin(); iter != mAllNodes.end(); ++iter) 20 { 21 TGraphNode* node = *iter; 22 delete node; 23 } 24 } 25 26 TGraphArgument* TDependencyGraph::createArgument(TIntermAggregate* intermFunctionCall, 27 int argumentNumber) 28 { 29 TGraphArgument* argument = new TGraphArgument(intermFunctionCall, argumentNumber); 30 mAllNodes.push_back(argument); 31 return argument; 32 } 33 34 TGraphFunctionCall* TDependencyGraph::createFunctionCall(TIntermAggregate* intermFunctionCall) 35 { 36 TGraphFunctionCall* functionCall = new TGraphFunctionCall(intermFunctionCall); 37 mAllNodes.push_back(functionCall); 38 if (functionCall->getIntermFunctionCall()->isUserDefined()) 39 mUserDefinedFunctionCalls.push_back(functionCall); 40 return functionCall; 41 } 42 43 TGraphSymbol* TDependencyGraph::getOrCreateSymbol(TIntermSymbol* intermSymbol) 44 { 45 TSymbolIdMap::const_iterator iter = mSymbolIdMap.find(intermSymbol->getId()); 46 47 TGraphSymbol* symbol = NULL; 48 49 if (iter != mSymbolIdMap.end()) { 50 TSymbolIdPair pair = *iter; 51 symbol = pair.second; 52 } else { 53 symbol = new TGraphSymbol(intermSymbol); 54 mAllNodes.push_back(symbol); 55 56 TSymbolIdPair pair(intermSymbol->getId(), symbol); 57 mSymbolIdMap.insert(pair); 58 59 // We save all sampler symbols in a collection, so we can start graph traversals from them quickly. 60 if (IsSampler(intermSymbol->getBasicType())) 61 mSamplerSymbols.push_back(symbol); 62 } 63 64 return symbol; 65 } 66 67 TGraphSelection* TDependencyGraph::createSelection(TIntermSelection* intermSelection) 68 { 69 TGraphSelection* selection = new TGraphSelection(intermSelection); 70 mAllNodes.push_back(selection); 71 return selection; 72 } 73 74 TGraphLoop* TDependencyGraph::createLoop(TIntermLoop* intermLoop) 75 { 76 TGraphLoop* loop = new TGraphLoop(intermLoop); 77 mAllNodes.push_back(loop); 78 return loop; 79 } 80 81 TGraphLogicalOp* TDependencyGraph::createLogicalOp(TIntermBinary* intermLogicalOp) 82 { 83 TGraphLogicalOp* logicalOp = new TGraphLogicalOp(intermLogicalOp); 84 mAllNodes.push_back(logicalOp); 85 return logicalOp; 86 } 87 88 const char* TGraphLogicalOp::getOpString() const 89 { 90 const char* opString = NULL; 91 switch (getIntermLogicalOp()->getOp()) { 92 case EOpLogicalAnd: opString = "and"; break; 93 case EOpLogicalOr: opString = "or"; break; 94 default: opString = "unknown"; break; 95 } 96 return opString; 97 } 98