1 // 2 // Copyright (C) 2002-2005 3Dlabs Inc. Ltd. 3 // Copyright (C) 2013-2016 LunarG, Inc. 4 // 5 // All rights reserved. 6 // 7 // Redistribution and use in source and binary forms, with or without 8 // modification, are permitted provided that the following conditions 9 // are met: 10 // 11 // Redistributions of source code must retain the above copyright 12 // notice, this list of conditions and the following disclaimer. 13 // 14 // Redistributions in binary form must reproduce the above 15 // copyright notice, this list of conditions and the following 16 // disclaimer in the documentation and/or other materials provided 17 // with the distribution. 18 // 19 // Neither the name of 3Dlabs Inc. Ltd. nor the names of its 20 // contributors may be used to endorse or promote products derived 21 // from this software without specific prior written permission. 22 // 23 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 26 // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 27 // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 28 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 29 // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 30 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 31 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 33 // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 // POSSIBILITY OF SUCH DAMAGE. 35 // 36 37 #ifndef _INITIALIZE_INCLUDED_ 38 #define _INITIALIZE_INCLUDED_ 39 40 #include "../Include/ResourceLimits.h" 41 #include "../Include/Common.h" 42 #include "../Include/ShHandle.h" 43 #include "SymbolTable.h" 44 #include "Versions.h" 45 46 namespace glslang { 47 48 // 49 // This is made to hold parseable strings for almost all the built-in 50 // functions and variables for one specific combination of version 51 // and profile. (Some still need to be added programmatically.) 52 // This is a base class for language-specific derivations, which 53 // can be used for language independent builtins. 54 // 55 // The strings are organized by 56 // commonBuiltins: intersection of all stages' built-ins, processed just once 57 // stageBuiltins[]: anything a stage needs that's not in commonBuiltins 58 // 59 class TBuiltInParseables { 60 public: 61 POOL_ALLOCATOR_NEW_DELETE(GetThreadPoolAllocator()) 62 TBuiltInParseables(); 63 virtual ~TBuiltInParseables(); 64 virtual void initialize(int version, EProfile, const SpvVersion& spvVersion) = 0; 65 virtual void initialize(const TBuiltInResource& resources, int version, EProfile, const SpvVersion& spvVersion, EShLanguage) = 0; 66 virtual const TString& getCommonString() const { return commonBuiltins; } 67 virtual const TString& getStageString(EShLanguage language) const { return stageBuiltins[language]; } 68 69 virtual void identifyBuiltIns(int version, EProfile profile, const SpvVersion& spvVersion, EShLanguage language, TSymbolTable& symbolTable) = 0; 70 virtual void identifyBuiltIns(int version, EProfile profile, const SpvVersion& spvVersion, EShLanguage language, TSymbolTable& symbolTable, const TBuiltInResource &resources) = 0; 71 72 protected: 73 TString commonBuiltins; 74 TString stageBuiltins[EShLangCount]; 75 }; 76 77 // 78 // This is a GLSL specific derivation of TBuiltInParseables. To present a stable 79 // interface and match other similar code, it is called TBuiltIns, rather 80 // than TBuiltInParseablesGlsl. 81 // 82 class TBuiltIns : public TBuiltInParseables { 83 public: 84 POOL_ALLOCATOR_NEW_DELETE(GetThreadPoolAllocator()) 85 TBuiltIns(); 86 virtual ~TBuiltIns(); 87 void initialize(int version, EProfile, const SpvVersion& spvVersion); 88 void initialize(const TBuiltInResource& resources, int version, EProfile, const SpvVersion& spvVersion, EShLanguage); 89 90 void identifyBuiltIns(int version, EProfile profile, const SpvVersion& spvVersion, EShLanguage language, TSymbolTable& symbolTable); 91 void identifyBuiltIns(int version, EProfile profile, const SpvVersion& spvVersion, EShLanguage language, TSymbolTable& symbolTable, const TBuiltInResource &resources); 92 93 protected: 94 void add2ndGenerationSamplingImaging(int version, EProfile profile, const SpvVersion& spvVersion); 95 void addSubpassSampling(TSampler, const TString& typeName, int version, EProfile profile); 96 void addQueryFunctions(TSampler, const TString& typeName, int version, EProfile profile); 97 void addImageFunctions(TSampler, const TString& typeName, int version, EProfile profile); 98 void addSamplingFunctions(TSampler, const TString& typeName, int version, EProfile profile); 99 void addGatherFunctions(TSampler, const TString& typeName, int version, EProfile profile); 100 101 // Helpers for making textual representations of the permutations 102 // of texturing/imaging functions. 103 const char* postfixes[5]; 104 const char* prefixes[EbtNumTypes]; 105 int dimMap[EsdNumDims]; 106 }; 107 108 } // end namespace glslang 109 110 #endif // _INITIALIZE_INCLUDED_ 111
