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https://github.com/libretro/scenewalker-libretro.git
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47 lines
883 B
C++
47 lines
883 B
C++
#ifndef GL_HPP__
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#define GL_HPP__
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#define GL_GLEXT_PROTOTYPES
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#if defined(GLES)
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#include <GLES2/gl2.h>
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#else
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#include <GL/gl.h>
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#include <GL/glext.h>
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#endif
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#include <map>
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#include <iostream>
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#include "libretro.h"
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#define SYM(sym) (::GL::symbol<decltype(&sym)>(#sym))
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namespace GL
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{
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typedef std::map<std::string, retro_proc_address_t> SymMap;
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SymMap& symbol_map();
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void init_symbol_map();
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void set_function_cb(retro_hw_get_proc_address_t);
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retro_proc_address_t get_symbol(const std::string& str);
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template<typename Func>
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inline Func symbol(const std::string& sym)
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{
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auto& map = symbol_map();
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auto& func = map[sym];
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if (!func)
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{
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func = get_symbol(sym);
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if (!func)
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std::cerr << "Didn't find GL symbol: " << sym << std::endl;
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}
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return reinterpret_cast<Func>(func);
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}
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}
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#endif
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