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daniel@transgaming.com4f39fd92010-03-08 20:26:45 +00001//
daniel@transgaming.com35342dc2012-02-28 02:01:22 +00002// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
daniel@transgaming.com4f39fd92010-03-08 20:26:45 +00003// 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 COMPILER_OUTPUTHLSL_H_
8#define COMPILER_OUTPUTHLSL_H_
9
alokp@chromium.org4e89d232010-05-14 19:37:21 +000010#include <list>
11#include <set>
12
daniel@transgaming.combbf56f72010-04-20 18:52:13 +000013#include "compiler/intermediate.h"
14#include "compiler/ParseHelper.h"
daniel@transgaming.com4f39fd92010-03-08 20:26:45 +000015
16namespace sh
17{
daniel@transgaming.comf8f8f362012-04-28 00:35:00 +000018class UnfoldShortCircuit;
daniel@transgaming.comb5875982010-04-15 20:44:53 +000019
daniel@transgaming.com4f39fd92010-03-08 20:26:45 +000020class OutputHLSL : public TIntermTraverser
21{
22 public:
daniel@transgaming.comb5875982010-04-15 20:44:53 +000023 explicit OutputHLSL(TParseContext &context);
24 ~OutputHLSL();
daniel@transgaming.com4f39fd92010-03-08 20:26:45 +000025
daniel@transgaming.com950f9932010-04-13 03:26:14 +000026 void output();
27
daniel@transgaming.comb5875982010-04-15 20:44:53 +000028 TInfoSinkBase &getBodyStream();
29
daniel@transgaming.coma2a95e72010-05-20 19:17:55 +000030 TString typeString(const TType &type);
daniel@transgaming.comb5875982010-04-15 20:44:53 +000031 static TString qualifierString(TQualifier qualifier);
daniel@transgaming.comb5875982010-04-15 20:44:53 +000032 static TString arrayString(const TType &type);
33 static TString initializer(const TType &type);
daniel@transgaming.comc72c6412011-09-20 16:09:17 +000034 static TString decorate(const TString &string); // Prepends an underscore to avoid naming clashes
apatrick@chromium.org65756022012-01-17 21:45:38 +000035 static TString decorateUniform(const TString &string, const TType &type);
daniel@transgaming.com2e793f02012-04-11 19:41:35 +000036 static TString decorateField(const TString &string, const TType &structure);
daniel@transgaming.comb5875982010-04-15 20:44:53 +000037
daniel@transgaming.com950f9932010-04-13 03:26:14 +000038 protected:
daniel@transgaming.com4f39fd92010-03-08 20:26:45 +000039 void header();
daniel@transgaming.com4f39fd92010-03-08 20:26:45 +000040
daniel@transgaming.com950f9932010-04-13 03:26:14 +000041 // Visit AST nodes and output their code to the body stream
daniel@transgaming.com4f39fd92010-03-08 20:26:45 +000042 void visitSymbol(TIntermSymbol*);
43 void visitConstantUnion(TIntermConstantUnion*);
44 bool visitBinary(Visit visit, TIntermBinary*);
45 bool visitUnary(Visit visit, TIntermUnary*);
46 bool visitSelection(Visit visit, TIntermSelection*);
47 bool visitAggregate(Visit visit, TIntermAggregate*);
48 bool visitLoop(Visit visit, TIntermLoop*);
49 bool visitBranch(Visit visit, TIntermBranch*);
50
daniel@transgaming.com44fffee2012-04-28 00:34:20 +000051 void traverseStatements(TIntermNode *node);
daniel@transgaming.comb5875982010-04-15 20:44:53 +000052 bool isSingleStatement(TIntermNode *node);
daniel@transgaming.com4a35ef22010-04-08 03:51:06 +000053 bool handleExcessiveLoop(TIntermLoop *node);
daniel@transgaming.com67de6d62010-04-29 03:35:30 +000054 void outputTriplet(Visit visit, const TString &preString, const TString &inString, const TString &postString);
apatrick@chromium.org0f4cefe2011-01-26 19:30:57 +000055 void outputLineDirective(int line);
daniel@transgaming.com005c7392010-04-15 20:45:27 +000056 TString argumentString(const TIntermSymbol *symbol);
daniel@transgaming.com0b6b8342010-04-26 15:33:45 +000057 int vectorSize(const TType &type) const;
daniel@transgaming.com4f39fd92010-03-08 20:26:45 +000058
daniel@transgaming.com67de6d62010-04-29 03:35:30 +000059 void addConstructor(const TType &type, const TString &name, const TIntermSequence *parameters);
daniel@transgaming.coma54da4e2010-05-07 13:03:28 +000060 const ConstantUnion *writeConstantUnion(const TType &type, const ConstantUnion *constUnion);
daniel@transgaming.com63691862010-04-29 03:32:42 +000061
daniel@transgaming.coma2a95e72010-05-20 19:17:55 +000062 TString scopeString(unsigned int depthLimit);
63 TString scopedStruct(const TString &typeName);
64 TString structLookup(const TString &typeName);
65
daniel@transgaming.com950f9932010-04-13 03:26:14 +000066 TParseContext &mContext;
daniel@transgaming.comf8f8f362012-04-28 00:35:00 +000067 UnfoldShortCircuit *mUnfoldShortCircuit;
daniel@transgaming.comf9ef1072010-04-22 13:35:16 +000068 bool mInsideFunction;
daniel@transgaming.com950f9932010-04-13 03:26:14 +000069
70 // Output streams
71 TInfoSinkBase mHeader;
72 TInfoSinkBase mBody;
73 TInfoSinkBase mFooter;
daniel@transgaming.comd91cfe72010-04-13 03:26:17 +000074
daniel@transgaming.com86f7c9d2010-04-20 18:52:06 +000075 std::set<std::string> mReferencedUniforms;
76 std::set<std::string> mReferencedAttributes;
77 std::set<std::string> mReferencedVaryings;
78
daniel@transgaming.comd91cfe72010-04-13 03:26:17 +000079 // Parameters determining what goes in the header output
daniel@transgaming.com5024cc42010-04-20 18:52:04 +000080 bool mUsesTexture2D;
81 bool mUsesTexture2D_bias;
daniel@transgaming.com15795192011-05-11 15:36:20 +000082 bool mUsesTexture2DLod;
daniel@transgaming.com5024cc42010-04-20 18:52:04 +000083 bool mUsesTexture2DProj;
84 bool mUsesTexture2DProj_bias;
daniel@transgaming.com15795192011-05-11 15:36:20 +000085 bool mUsesTexture2DProjLod;
daniel@transgaming.com5024cc42010-04-20 18:52:04 +000086 bool mUsesTextureCube;
87 bool mUsesTextureCube_bias;
daniel@transgaming.com15795192011-05-11 15:36:20 +000088 bool mUsesTextureCubeLod;
daniel@transgaming.coma54f5182012-05-31 01:20:16 +000089 bool mUsesTexture2DLod0;
90 bool mUsesTexture2DLod0_bias;
91 bool mUsesTexture2DProjLod0;
92 bool mUsesTexture2DProjLod0_bias;
93 bool mUsesTextureCubeLod0;
94 bool mUsesTextureCubeLod0_bias;
daniel@transgaming.comd7c98102010-05-14 17:30:48 +000095 bool mUsesDepthRange;
daniel@transgaming.com4af7acc2010-05-14 17:30:53 +000096 bool mUsesFragCoord;
97 bool mUsesPointCoord;
98 bool mUsesFrontFacing;
99 bool mUsesPointSize;
daniel@transgaming.comd7c98102010-05-14 17:30:48 +0000100 bool mUsesXor;
101 bool mUsesMod1;
daniel@transgaming.com4229f592011-11-24 22:34:04 +0000102 bool mUsesMod2v;
103 bool mUsesMod2f;
104 bool mUsesMod3v;
105 bool mUsesMod3f;
106 bool mUsesMod4v;
107 bool mUsesMod4f;
daniel@transgaming.com0bbb0312010-04-26 15:33:39 +0000108 bool mUsesFaceforward1;
109 bool mUsesFaceforward2;
110 bool mUsesFaceforward3;
111 bool mUsesFaceforward4;
daniel@transgaming.comd91cfe72010-04-13 03:26:17 +0000112 bool mUsesEqualMat2;
113 bool mUsesEqualMat3;
114 bool mUsesEqualMat4;
115 bool mUsesEqualVec2;
116 bool mUsesEqualVec3;
117 bool mUsesEqualVec4;
118 bool mUsesEqualIVec2;
119 bool mUsesEqualIVec3;
120 bool mUsesEqualIVec4;
121 bool mUsesEqualBVec2;
122 bool mUsesEqualBVec3;
123 bool mUsesEqualBVec4;
daniel@transgaming.com35342dc2012-02-28 02:01:22 +0000124 bool mUsesAtan2_1;
125 bool mUsesAtan2_2;
126 bool mUsesAtan2_3;
127 bool mUsesAtan2_4;
daniel@transgaming.com005c7392010-04-15 20:45:27 +0000128
daniel@transgaming.coma2a95e72010-05-20 19:17:55 +0000129 typedef std::set<TString> Constructors;
130 Constructors mConstructors;
daniel@transgaming.com63691862010-04-29 03:32:42 +0000131
daniel@transgaming.coma2a95e72010-05-20 19:17:55 +0000132 typedef std::set<TString> StructNames;
133 StructNames mStructNames;
daniel@transgaming.com63691862010-04-29 03:32:42 +0000134
daniel@transgaming.coma2a95e72010-05-20 19:17:55 +0000135 typedef std::list<TString> StructDeclarations;
136 StructDeclarations mStructDeclarations;
daniel@transgaming.com63691862010-04-29 03:32:42 +0000137
daniel@transgaming.coma2a95e72010-05-20 19:17:55 +0000138 typedef std::vector<int> ScopeBracket;
139 ScopeBracket mScopeBracket;
140 unsigned int mScopeDepth;
daniel@transgaming.com7a7003c2010-04-29 03:35:33 +0000141
daniel@transgaming.comb6ef8f12010-11-15 16:41:14 +0000142 int mUniqueIndex; // For creating unique names
daniel@transgaming.com89431aa2012-05-31 01:20:29 +0000143
144 bool mContainsLoopDiscontinuity;
145 bool mOutputLod0Function;
daniel@transgaming.come11100c2012-05-31 01:20:32 +0000146 bool mInsideDiscontinuousLoop;
daniel@transgaming.com4f39fd92010-03-08 20:26:45 +0000147};
148}
149
150#endif // COMPILER_OUTPUTHLSL_H_