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47 lines
1.2 KiB
C++
47 lines
1.2 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 <mt_opengl.h>
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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 *>(glGetString(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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std::string name{pos, next};
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addExtension(name.c_str());
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pos = next + 1;
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}
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addExtension(pos);
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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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}
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void COpenGL3ExtensionHandler::addExtension(const char *name) {
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for (size_t j=0; j<IRR_OGLES_Feature_Count; ++j) {
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if (!strcmp(getFeatureString(j), name)) {
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FeatureAvailable[j] = true;
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break;
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}
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}
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}
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} // end namespace video
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} // end namespace irr
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