1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/angle/src/compiler/OutputHLSL.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,166 @@
1.4 +//
1.5 +// Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved.
1.6 +// Use of this source code is governed by a BSD-style license that can be
1.7 +// found in the LICENSE file.
1.8 +//
1.9 +
1.10 +#ifndef COMPILER_OUTPUTHLSL_H_
1.11 +#define COMPILER_OUTPUTHLSL_H_
1.12 +
1.13 +#include <list>
1.14 +#include <set>
1.15 +#include <map>
1.16 +
1.17 +#define GL_APICALL
1.18 +#include <GLES2/gl2.h>
1.19 +
1.20 +#include "compiler/intermediate.h"
1.21 +#include "compiler/ParseHelper.h"
1.22 +#include "compiler/CompilerUniform.h"
1.23 +
1.24 +namespace sh
1.25 +{
1.26 +class UnfoldShortCircuit;
1.27 +
1.28 +class OutputHLSL : public TIntermTraverser
1.29 +{
1.30 + public:
1.31 + OutputHLSL(TParseContext &context, const ShBuiltInResources& resources, ShShaderOutput outputType);
1.32 + ~OutputHLSL();
1.33 +
1.34 + void output();
1.35 +
1.36 + TInfoSinkBase &getBodyStream();
1.37 + const ActiveUniforms &getUniforms();
1.38 +
1.39 + TString typeString(const TType &type);
1.40 + TString textureString(const TType &type);
1.41 + static TString qualifierString(TQualifier qualifier);
1.42 + static TString arrayString(const TType &type);
1.43 + static TString initializer(const TType &type);
1.44 + static TString decorate(const TString &string); // Prepends an underscore to avoid naming clashes
1.45 + static TString decorateUniform(const TString &string, const TType &type);
1.46 + static TString decorateField(const TString &string, const TType &structure);
1.47 +
1.48 + protected:
1.49 + void header();
1.50 +
1.51 + // Visit AST nodes and output their code to the body stream
1.52 + void visitSymbol(TIntermSymbol*);
1.53 + void visitConstantUnion(TIntermConstantUnion*);
1.54 + bool visitBinary(Visit visit, TIntermBinary*);
1.55 + bool visitUnary(Visit visit, TIntermUnary*);
1.56 + bool visitSelection(Visit visit, TIntermSelection*);
1.57 + bool visitAggregate(Visit visit, TIntermAggregate*);
1.58 + bool visitLoop(Visit visit, TIntermLoop*);
1.59 + bool visitBranch(Visit visit, TIntermBranch*);
1.60 +
1.61 + void traverseStatements(TIntermNode *node);
1.62 + bool isSingleStatement(TIntermNode *node);
1.63 + bool handleExcessiveLoop(TIntermLoop *node);
1.64 + void outputTriplet(Visit visit, const TString &preString, const TString &inString, const TString &postString);
1.65 + void outputLineDirective(int line);
1.66 + TString argumentString(const TIntermSymbol *symbol);
1.67 + int vectorSize(const TType &type) const;
1.68 +
1.69 + void addConstructor(const TType &type, const TString &name, const TIntermSequence *parameters);
1.70 + const ConstantUnion *writeConstantUnion(const TType &type, const ConstantUnion *constUnion);
1.71 +
1.72 + TString scopeString(unsigned int depthLimit);
1.73 + TString scopedStruct(const TString &typeName);
1.74 + TString structLookup(const TString &typeName);
1.75 +
1.76 + TParseContext &mContext;
1.77 + const ShShaderOutput mOutputType;
1.78 + UnfoldShortCircuit *mUnfoldShortCircuit;
1.79 + bool mInsideFunction;
1.80 +
1.81 + // Output streams
1.82 + TInfoSinkBase mHeader;
1.83 + TInfoSinkBase mBody;
1.84 + TInfoSinkBase mFooter;
1.85 +
1.86 + typedef std::map<TString, TIntermSymbol*> ReferencedSymbols;
1.87 + ReferencedSymbols mReferencedUniforms;
1.88 + ReferencedSymbols mReferencedAttributes;
1.89 + ReferencedSymbols mReferencedVaryings;
1.90 +
1.91 + // Parameters determining what goes in the header output
1.92 + bool mUsesTexture2D;
1.93 + bool mUsesTexture2D_bias;
1.94 + bool mUsesTexture2DLod;
1.95 + bool mUsesTexture2DProj;
1.96 + bool mUsesTexture2DProj_bias;
1.97 + bool mUsesTexture2DProjLod;
1.98 + bool mUsesTextureCube;
1.99 + bool mUsesTextureCube_bias;
1.100 + bool mUsesTextureCubeLod;
1.101 + bool mUsesTexture2DLod0;
1.102 + bool mUsesTexture2DLod0_bias;
1.103 + bool mUsesTexture2DProjLod0;
1.104 + bool mUsesTexture2DProjLod0_bias;
1.105 + bool mUsesTextureCubeLod0;
1.106 + bool mUsesTextureCubeLod0_bias;
1.107 + bool mUsesFragColor;
1.108 + bool mUsesFragData;
1.109 + bool mUsesDepthRange;
1.110 + bool mUsesFragCoord;
1.111 + bool mUsesPointCoord;
1.112 + bool mUsesFrontFacing;
1.113 + bool mUsesPointSize;
1.114 + bool mUsesFragDepth;
1.115 + bool mUsesXor;
1.116 + bool mUsesMod1;
1.117 + bool mUsesMod2v;
1.118 + bool mUsesMod2f;
1.119 + bool mUsesMod3v;
1.120 + bool mUsesMod3f;
1.121 + bool mUsesMod4v;
1.122 + bool mUsesMod4f;
1.123 + bool mUsesFaceforward1;
1.124 + bool mUsesFaceforward2;
1.125 + bool mUsesFaceforward3;
1.126 + bool mUsesFaceforward4;
1.127 + bool mUsesAtan2_1;
1.128 + bool mUsesAtan2_2;
1.129 + bool mUsesAtan2_3;
1.130 + bool mUsesAtan2_4;
1.131 +
1.132 + int mNumRenderTargets;
1.133 +
1.134 + typedef std::set<TString> Constructors;
1.135 + Constructors mConstructors;
1.136 +
1.137 + typedef std::set<TString> StructNames;
1.138 + StructNames mStructNames;
1.139 +
1.140 + typedef std::list<TString> StructDeclarations;
1.141 + StructDeclarations mStructDeclarations;
1.142 +
1.143 + typedef std::vector<int> ScopeBracket;
1.144 + ScopeBracket mScopeBracket;
1.145 + unsigned int mScopeDepth;
1.146 +
1.147 + int mUniqueIndex; // For creating unique names
1.148 +
1.149 + bool mContainsLoopDiscontinuity;
1.150 + bool mOutputLod0Function;
1.151 + bool mInsideDiscontinuousLoop;
1.152 +
1.153 + TIntermSymbol *mExcessiveLoopIndex;
1.154 +
1.155 + int mUniformRegister;
1.156 + int mSamplerRegister;
1.157 +
1.158 + TString registerString(TIntermSymbol *operand);
1.159 + int samplerRegister(TIntermSymbol *sampler);
1.160 + int uniformRegister(TIntermSymbol *uniform);
1.161 + void declareUniform(const TType &type, const TString &name, int index);
1.162 + static GLenum glVariableType(const TType &type);
1.163 + static GLenum glVariablePrecision(const TType &type);
1.164 +
1.165 + ActiveUniforms mActiveUniforms;
1.166 +};
1.167 +}
1.168 +
1.169 +#endif // COMPILER_OUTPUTHLSL_H_
