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157c6af18e
Avoid cases of filenames Update years in terms and other legal(ish) documents Don't update years in license headers, since change is not meaningful Will add linter rule in seperate commit Happy recompiling everyone! Original Patch By: Nescio Comment By: Gallaecio Differential Revision: D2620 This was SVN commit r27786.
63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
/* Copyright (C) 2021 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_PREPROCESSORWRAPPER
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#define INCLUDED_PREPROCESSORWRAPPER
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#include "ps/CStr.h"
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#include "third_party/ogre3d_preprocessor/OgreGLSLPreprocessor.h"
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#include <functional>
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#include <unordered_map>
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class CShaderDefines;
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/**
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* Convenience wrapper around CPreprocessor.
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*/
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class CPreprocessorWrapper
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{
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public:
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using IncludeRetrieverCallback = std::function<bool(const CStr&, CStr& out)>;
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CPreprocessorWrapper();
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CPreprocessorWrapper(const IncludeRetrieverCallback& includeCallback);
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void AddDefine(const char* name, const char* value);
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void AddDefines(const CShaderDefines& defines);
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bool TestConditional(const CStr& expr);
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// Find all #include directives in the input and replace them by
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// by a file content from the directive's argument. Parsing is strict
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// and simple. The directive will be expanded in comments and multiline
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// strings.
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CStr ResolveIncludes(const CStr& source);
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CStr Preprocess(const CStr& input);
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static void PyrogenesisShaderError(int iLine, const char* iError, const Ogre::CPreprocessor::Token* iToken);
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private:
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Ogre::CPreprocessor m_Preprocessor;
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IncludeRetrieverCallback m_IncludeCallback;
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std::unordered_map<CStr, CStr> m_IncludeCache;
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};
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#endif // INCLUDED_PREPROCESSORWRAPPER
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