116 lines
5.4 KiB
C++
116 lines
5.4 KiB
C++
//
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// Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
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// Copyright (C) 2013-2016 LunarG, Inc.
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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//
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// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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#ifndef _INITIALIZE_INCLUDED_
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#define _INITIALIZE_INCLUDED_
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#include "../Include/ResourceLimits.h"
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#include "../Include/Common.h"
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#include "../Include/ShHandle.h"
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#include "SymbolTable.h"
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#include "Versions.h"
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namespace glslang {
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//
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// This is made to hold parseable strings for almost all the built-in
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// functions and variables for one specific combination of version
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// and profile. (Some still need to be added programmatically.)
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// This is a base class for language-specific derivations, which
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// can be used for language independent builtins.
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//
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// The strings are organized by
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// commonBuiltins: intersection of all stages' built-ins, processed just once
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// stageBuiltins[]: anything a stage needs that's not in commonBuiltins
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//
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class TBuiltInParseables {
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public:
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POOL_ALLOCATOR_NEW_DELETE(GetThreadPoolAllocator())
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TBuiltInParseables();
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virtual ~TBuiltInParseables();
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virtual void initialize(int version, EProfile, const SpvVersion& spvVersion) = 0;
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virtual void initialize(const TBuiltInResource& resources, int version, EProfile, const SpvVersion& spvVersion, EShLanguage) = 0;
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virtual const TString& getCommonString() const { return commonBuiltins; }
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virtual const TString& getStageString(EShLanguage language) const { return stageBuiltins[language]; }
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virtual void identifyBuiltIns(int version, EProfile profile, const SpvVersion& spvVersion, EShLanguage language, TSymbolTable& symbolTable) = 0;
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virtual void identifyBuiltIns(int version, EProfile profile, const SpvVersion& spvVersion, EShLanguage language, TSymbolTable& symbolTable, const TBuiltInResource &resources) = 0;
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protected:
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TString commonBuiltins;
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TString stageBuiltins[EShLangCount];
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};
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//
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// This is a GLSL specific derivation of TBuiltInParseables. To present a stable
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// interface and match other similar code, it is called TBuiltIns, rather
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// than TBuiltInParseablesGlsl.
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//
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class TBuiltIns : public TBuiltInParseables {
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public:
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POOL_ALLOCATOR_NEW_DELETE(GetThreadPoolAllocator())
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TBuiltIns();
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virtual ~TBuiltIns();
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void initialize(int version, EProfile, const SpvVersion& spvVersion);
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void initialize(const TBuiltInResource& resources, int version, EProfile, const SpvVersion& spvVersion, EShLanguage);
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void identifyBuiltIns(int version, EProfile profile, const SpvVersion& spvVersion, EShLanguage language, TSymbolTable& symbolTable);
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void identifyBuiltIns(int version, EProfile profile, const SpvVersion& spvVersion, EShLanguage language, TSymbolTable& symbolTable, const TBuiltInResource &resources);
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protected:
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void addTabledBuiltins(int version, EProfile profile, const SpvVersion& spvVersion);
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void relateTabledBuiltins(int version, EProfile profile, const SpvVersion& spvVersion, EShLanguage, TSymbolTable&);
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void add2ndGenerationSamplingImaging(int version, EProfile profile, const SpvVersion& spvVersion);
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void addSubpassSampling(TSampler, const TString& typeName, int version, EProfile profile);
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void addQueryFunctions(TSampler, const TString& typeName, int version, EProfile profile);
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void addImageFunctions(TSampler, const TString& typeName, int version, EProfile profile);
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void addSamplingFunctions(TSampler, const TString& typeName, int version, EProfile profile);
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void addGatherFunctions(TSampler, const TString& typeName, int version, EProfile profile);
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// Helpers for making textual representations of the permutations
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// of texturing/imaging functions.
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const char* postfixes[5];
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const char* prefixes[EbtNumTypes];
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int dimMap[EsdNumDims];
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};
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// change this back to false if depending on textual spellings of texturing calls when consuming the AST
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// Using PureOperatorBuiltins=false is deprecated.
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constexpr bool PureOperatorBuiltins = true;
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} // end namespace glslang
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#endif // _INITIALIZE_INCLUDED_
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