48 lines
1.0 KiB
C++
48 lines
1.0 KiB
C++
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#ifndef HEADER_GE_GL_UTILS_HPP
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#define HEADER_GE_GL_UTILS_HPP
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#include <glad/gl.h>
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#include <set>
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#include <sstream>
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#include <string>
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namespace GE
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{
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inline bool hasGLExtension(const std::string& extension)
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{
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if (glGetStringi)
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{
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int num = 0;
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glGetIntegerv(GL_NUM_EXTENSIONS, &num);
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for (int i = 0; i < num; i++)
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{
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char* ext = (char*)glGetStringi(GL_EXTENSIONS, i);
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if (ext && extension == ext)
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return true;
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}
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return false;
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}
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static std::set<std::string> extensions;
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if (extensions.empty())
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{
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char* all_ext = (char*)glGetString(GL_EXTENSIONS);
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if (all_ext)
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{
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std::stringstream ss(all_ext);
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while (true)
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{
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std::string ext;
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if (ss >> ext)
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extensions.insert(ext);
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else
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break;
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}
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}
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}
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return extensions.find(extension) != extensions.end();
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} // hasGLExtension
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}
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#endif
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