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59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
// Copyright (C) 2015 Patryk Nadrowski
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// Copyright (C) 2009-2010 Amundis
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// 2017 modified by Michael Zeilfelder (unifying extension handlers)
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in Irrlicht.h
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#include "ExtensionHandler.h"
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#include "irrString.h"
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#include "SMaterial.h"
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#include "fast_atof.h"
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#include "os.h"
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#include <mt_opengl.h>
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// FIXME: this basically duplicates what mt_opengl.h already does
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namespace irr
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{
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namespace video
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{
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void COpenGL3ExtensionHandler::initExtensionsOld()
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{
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auto extensions_string = reinterpret_cast<const char *>(GL.GetString(GL_EXTENSIONS));
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const char *pos = extensions_string;
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while (const char *next = strchr(pos, ' ')) {
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addExtension(std::string{pos, next});
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pos = next + 1;
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}
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addExtension(pos);
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extensionsLoaded();
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}
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void COpenGL3ExtensionHandler::initExtensionsNew()
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{
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int ext_count = GetInteger(GL_NUM_EXTENSIONS);
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for (int k = 0; k < ext_count; k++)
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addExtension(reinterpret_cast<const char *>(GL.GetStringi(GL_EXTENSIONS, k)));
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extensionsLoaded();
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}
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void COpenGL3ExtensionHandler::addExtension(std::string &&name) {
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Extensions.emplace(std::move(name));
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}
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bool COpenGL3ExtensionHandler::queryExtension(const std::string &name) const noexcept {
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return Extensions.find(name) != Extensions.end();
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}
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void COpenGL3ExtensionHandler::extensionsLoaded() {
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os::Printer::log((std::string("Loaded ") + std::to_string(Extensions.size()) + " extensions:").c_str(), ELL_DEBUG);
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for (const auto &it : Extensions)
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os::Printer::log((std::string(" ") + it).c_str(), ELL_DEBUG);
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for (size_t j = 0; j < IRR_OGLES_Feature_Count; ++j)
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FeatureAvailable[j] = queryExtension(getFeatureString(j));
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}
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} // end namespace video
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} // end namespace irr
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