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daniel@transgaming.com4f39fd92010-03-08 20:26:45 +00001//
daniel@transgaming.coma390e1e2013-01-11 04:09:39 +00002// Copyright (c) 2002-2013 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>
daniel@transgaming.com652468c2012-12-20 21:11:57 +000012#include <map>
13
14#define GL_APICALL
15#include <GLES2/gl2.h>
alokp@chromium.org4e89d232010-05-14 19:37:21 +000016
daniel@transgaming.combbf56f72010-04-20 18:52:13 +000017#include "compiler/intermediate.h"
18#include "compiler/ParseHelper.h"
daniel@transgaming.comf4d9fef2012-12-20 21:12:13 +000019#include "compiler/Uniform.h"
daniel@transgaming.com4f39fd92010-03-08 20:26:45 +000020
21namespace sh
22{
daniel@transgaming.comf8f8f362012-04-28 00:35:00 +000023class UnfoldShortCircuit;
daniel@transgaming.comb5875982010-04-15 20:44:53 +000024
daniel@transgaming.com4f39fd92010-03-08 20:26:45 +000025class OutputHLSL : public TIntermTraverser
26{
27 public:
shannon.woods@transgaming.comb73964e2013-01-25 21:49:14 +000028 OutputHLSL(TParseContext &context, ShShaderOutput outputType);
daniel@transgaming.comb5875982010-04-15 20:44:53 +000029 ~OutputHLSL();
daniel@transgaming.com4f39fd92010-03-08 20:26:45 +000030
daniel@transgaming.com950f9932010-04-13 03:26:14 +000031 void output();
32
daniel@transgaming.comb5875982010-04-15 20:44:53 +000033 TInfoSinkBase &getBodyStream();
daniel@transgaming.com043da132012-12-20 21:12:22 +000034 const ActiveUniforms &getUniforms();
daniel@transgaming.comb5875982010-04-15 20:44:53 +000035
daniel@transgaming.coma2a95e72010-05-20 19:17:55 +000036 TString typeString(const TType &type);
shannon.woods@transgaming.comfb256be2013-01-25 21:49:25 +000037 TString textureString(const TType &type);
daniel@transgaming.comb5875982010-04-15 20:44:53 +000038 static TString qualifierString(TQualifier qualifier);
daniel@transgaming.comb5875982010-04-15 20:44:53 +000039 static TString arrayString(const TType &type);
40 static TString initializer(const TType &type);
daniel@transgaming.comc72c6412011-09-20 16:09:17 +000041 static TString decorate(const TString &string); // Prepends an underscore to avoid naming clashes
apatrick@chromium.org65756022012-01-17 21:45:38 +000042 static TString decorateUniform(const TString &string, const TType &type);
daniel@transgaming.com2e793f02012-04-11 19:41:35 +000043 static TString decorateField(const TString &string, const TType &structure);
daniel@transgaming.comb5875982010-04-15 20:44:53 +000044
daniel@transgaming.com950f9932010-04-13 03:26:14 +000045 protected:
daniel@transgaming.com4f39fd92010-03-08 20:26:45 +000046 void header();
daniel@transgaming.com4f39fd92010-03-08 20:26:45 +000047
daniel@transgaming.com950f9932010-04-13 03:26:14 +000048 // Visit AST nodes and output their code to the body stream
daniel@transgaming.com4f39fd92010-03-08 20:26:45 +000049 void visitSymbol(TIntermSymbol*);
50 void visitConstantUnion(TIntermConstantUnion*);
51 bool visitBinary(Visit visit, TIntermBinary*);
52 bool visitUnary(Visit visit, TIntermUnary*);
53 bool visitSelection(Visit visit, TIntermSelection*);
54 bool visitAggregate(Visit visit, TIntermAggregate*);
55 bool visitLoop(Visit visit, TIntermLoop*);
56 bool visitBranch(Visit visit, TIntermBranch*);
57
daniel@transgaming.com44fffee2012-04-28 00:34:20 +000058 void traverseStatements(TIntermNode *node);
daniel@transgaming.comb5875982010-04-15 20:44:53 +000059 bool isSingleStatement(TIntermNode *node);
daniel@transgaming.com4a35ef22010-04-08 03:51:06 +000060 bool handleExcessiveLoop(TIntermLoop *node);
daniel@transgaming.com67de6d62010-04-29 03:35:30 +000061 void outputTriplet(Visit visit, const TString &preString, const TString &inString, const TString &postString);
apatrick@chromium.org0f4cefe2011-01-26 19:30:57 +000062 void outputLineDirective(int line);
daniel@transgaming.com005c7392010-04-15 20:45:27 +000063 TString argumentString(const TIntermSymbol *symbol);
daniel@transgaming.com0b6b8342010-04-26 15:33:45 +000064 int vectorSize(const TType &type) const;
daniel@transgaming.com4f39fd92010-03-08 20:26:45 +000065
daniel@transgaming.com67de6d62010-04-29 03:35:30 +000066 void addConstructor(const TType &type, const TString &name, const TIntermSequence *parameters);
daniel@transgaming.coma54da4e2010-05-07 13:03:28 +000067 const ConstantUnion *writeConstantUnion(const TType &type, const ConstantUnion *constUnion);
daniel@transgaming.com63691862010-04-29 03:32:42 +000068
daniel@transgaming.coma2a95e72010-05-20 19:17:55 +000069 TString scopeString(unsigned int depthLimit);
70 TString scopedStruct(const TString &typeName);
71 TString structLookup(const TString &typeName);
72
daniel@transgaming.com950f9932010-04-13 03:26:14 +000073 TParseContext &mContext;
shannon.woods@transgaming.comb73964e2013-01-25 21:49:14 +000074 const ShShaderOutput mOutputType;
daniel@transgaming.comf8f8f362012-04-28 00:35:00 +000075 UnfoldShortCircuit *mUnfoldShortCircuit;
daniel@transgaming.comf9ef1072010-04-22 13:35:16 +000076 bool mInsideFunction;
daniel@transgaming.com950f9932010-04-13 03:26:14 +000077
78 // Output streams
79 TInfoSinkBase mHeader;
80 TInfoSinkBase mBody;
81 TInfoSinkBase mFooter;
daniel@transgaming.comd91cfe72010-04-13 03:26:17 +000082
daniel@transgaming.com8803b852012-12-20 21:11:47 +000083 typedef std::map<TString, TIntermSymbol*> ReferencedSymbols;
84 ReferencedSymbols mReferencedUniforms;
85 ReferencedSymbols mReferencedAttributes;
86 ReferencedSymbols mReferencedVaryings;
daniel@transgaming.com86f7c9d2010-04-20 18:52:06 +000087
daniel@transgaming.comd91cfe72010-04-13 03:26:17 +000088 // Parameters determining what goes in the header output
daniel@transgaming.com5024cc42010-04-20 18:52:04 +000089 bool mUsesTexture2D;
90 bool mUsesTexture2D_bias;
daniel@transgaming.com15795192011-05-11 15:36:20 +000091 bool mUsesTexture2DLod;
daniel@transgaming.com5024cc42010-04-20 18:52:04 +000092 bool mUsesTexture2DProj;
93 bool mUsesTexture2DProj_bias;
daniel@transgaming.com15795192011-05-11 15:36:20 +000094 bool mUsesTexture2DProjLod;
daniel@transgaming.com5024cc42010-04-20 18:52:04 +000095 bool mUsesTextureCube;
96 bool mUsesTextureCube_bias;
daniel@transgaming.com15795192011-05-11 15:36:20 +000097 bool mUsesTextureCubeLod;
daniel@transgaming.coma54f5182012-05-31 01:20:16 +000098 bool mUsesTexture2DLod0;
99 bool mUsesTexture2DLod0_bias;
100 bool mUsesTexture2DProjLod0;
101 bool mUsesTexture2DProjLod0_bias;
102 bool mUsesTextureCubeLod0;
103 bool mUsesTextureCubeLod0_bias;
daniel@transgaming.comd7c98102010-05-14 17:30:48 +0000104 bool mUsesDepthRange;
daniel@transgaming.com4af7acc2010-05-14 17:30:53 +0000105 bool mUsesFragCoord;
106 bool mUsesPointCoord;
107 bool mUsesFrontFacing;
108 bool mUsesPointSize;
daniel@transgaming.comd7c98102010-05-14 17:30:48 +0000109 bool mUsesXor;
110 bool mUsesMod1;
daniel@transgaming.com4229f592011-11-24 22:34:04 +0000111 bool mUsesMod2v;
112 bool mUsesMod2f;
113 bool mUsesMod3v;
114 bool mUsesMod3f;
115 bool mUsesMod4v;
116 bool mUsesMod4f;
daniel@transgaming.com0bbb0312010-04-26 15:33:39 +0000117 bool mUsesFaceforward1;
118 bool mUsesFaceforward2;
119 bool mUsesFaceforward3;
120 bool mUsesFaceforward4;
daniel@transgaming.comd91cfe72010-04-13 03:26:17 +0000121 bool mUsesEqualMat2;
122 bool mUsesEqualMat3;
123 bool mUsesEqualMat4;
124 bool mUsesEqualVec2;
125 bool mUsesEqualVec3;
126 bool mUsesEqualVec4;
127 bool mUsesEqualIVec2;
128 bool mUsesEqualIVec3;
129 bool mUsesEqualIVec4;
130 bool mUsesEqualBVec2;
131 bool mUsesEqualBVec3;
132 bool mUsesEqualBVec4;
daniel@transgaming.com35342dc2012-02-28 02:01:22 +0000133 bool mUsesAtan2_1;
134 bool mUsesAtan2_2;
135 bool mUsesAtan2_3;
136 bool mUsesAtan2_4;
daniel@transgaming.com005c7392010-04-15 20:45:27 +0000137
daniel@transgaming.coma2a95e72010-05-20 19:17:55 +0000138 typedef std::set<TString> Constructors;
139 Constructors mConstructors;
daniel@transgaming.com63691862010-04-29 03:32:42 +0000140
daniel@transgaming.coma2a95e72010-05-20 19:17:55 +0000141 typedef std::set<TString> StructNames;
142 StructNames mStructNames;
daniel@transgaming.com63691862010-04-29 03:32:42 +0000143
daniel@transgaming.coma2a95e72010-05-20 19:17:55 +0000144 typedef std::list<TString> StructDeclarations;
145 StructDeclarations mStructDeclarations;
daniel@transgaming.com63691862010-04-29 03:32:42 +0000146
daniel@transgaming.coma2a95e72010-05-20 19:17:55 +0000147 typedef std::vector<int> ScopeBracket;
148 ScopeBracket mScopeBracket;
149 unsigned int mScopeDepth;
daniel@transgaming.com7a7003c2010-04-29 03:35:33 +0000150
daniel@transgaming.comb6ef8f12010-11-15 16:41:14 +0000151 int mUniqueIndex; // For creating unique names
daniel@transgaming.com89431aa2012-05-31 01:20:29 +0000152
153 bool mContainsLoopDiscontinuity;
154 bool mOutputLod0Function;
daniel@transgaming.come11100c2012-05-31 01:20:32 +0000155 bool mInsideDiscontinuousLoop;
daniel@transgaming.come9b3f602012-07-11 20:37:31 +0000156
157 TIntermSymbol *mExcessiveLoopIndex;
daniel@transgaming.com652468c2012-12-20 21:11:57 +0000158
159 int mUniformRegister;
160 int mSamplerRegister;
161
162 TString registerString(TIntermSymbol *operand);
163 int samplerRegister(TIntermSymbol *sampler);
164 int uniformRegister(TIntermSymbol *uniform);
daniel@transgaming.comf4d9fef2012-12-20 21:12:13 +0000165 void declareUniform(const TType &type, const TString &name, int index);
166 static GLenum glVariableType(const TType &type);
shannon.woods@transgaming.comfe3c0ef2013-02-28 23:17:22 +0000167 static GLenum glVariablePrecision(const TType &type);
daniel@transgaming.comf4d9fef2012-12-20 21:12:13 +0000168
169 ActiveUniforms mActiveUniforms;
daniel@transgaming.com4f39fd92010-03-08 20:26:45 +0000170};
171}
172
173#endif // COMPILER_OUTPUTHLSL_H_