Initial commit

libsst-glapi/SST_GLAPIResolve_POSIX.c

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