78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
/*
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SST_GLAPIResolve_Xlib.c
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Author: Patrick Baggett <ptbaggett@762studios.com>
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Created: 12/12/2012
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Purpose:
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Runtime OpenGL symbol resolution (Xlib)
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License:
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This program is free software. It comes without any warranty, to
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the extent permitted by applicable law. You can redistribute it
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and/or modify it under the terms of the Do What The Fuck You Want
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To Public License, Version 2, as published by Sam Hocevar. See
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http://sam.zoy.org/wtfpl/COPYING for more details.
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*/
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#include <dlfcn.h>
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#include <string.h>
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#include "GLAPIPrivate.h"
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typedef void* (*pf_glXGetProcAddressARB)(const char* symbol);
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typedef struct GLAPIResolver_Xlib
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{
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pf_glXGetProcAddressARB pglXGetProcAddressARB;
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} GLAPIResolver_Xlib;
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/******************************************************************************/
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void* openLibGL(const char* path)
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{
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return dlopen(path, RTLD_GLOBAL | RTLD_NOW);
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}
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/******************************************************************************/
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void closeLibGL(void* libGL)
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{
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dlclose(libGL);
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}
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/******************************************************************************/
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int getResolver(void* oglLib, GLAPIResolver* res)
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{
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GLAPIResolver_Xlib* resolver = (GLAPIResolver_Xlib*)res;
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resolver->pglXGetProcAddressARB = (pf_glXGetProcAddressARB)dlsym(oglLib, "glXGetProcAddressARB");
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/* The -ARB variant doesn't exist? Try without */
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if(resolver->pglXGetProcAddressARB == NULL)
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resolver->pglXGetProcAddressARB = (pf_glXGetProcAddressARB)dlsym(oglLib, "glXGetProcAddress");
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return (resolver->pglXGetProcAddressARB != NULL);
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}
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/******************************************************************************/
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const char* defaultLibGLName()
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{
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return "libGL.so.1";
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}
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/******************************************************************************/
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void* resolveGLSymbol(const GLAPIResolver* res, const char* name)
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{
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const GLAPIResolver_Xlib* resolver = (const GLAPIResolver_Xlib*)res;
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return resolver->pglXGetProcAddressARB(name);
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}
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/******************************************************************************/
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