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#include <Python.h>
#if defined(_WIN32) || defined(_WIN64)
#include <Windows.h>
PyObject * meth_load_opengl_function(PyObject * self, PyObject * arg) {
if (!PyUnicode_CheckExact(arg)) {
return NULL;
}
HMODULE module = GetModuleHandle("opengl32");
if (!module) {
return NULL;
}
const char * name = PyUnicode_AsUTF8(arg);
void * proc = (void *)GetProcAddress(module, name);
if (!proc) {
proc = wglGetProcAddress(name);
}
return PyLong_FromVoidPtr(proc);
}
#elif defined(__APPLE__)
#include <OpenGL/OpenGL.h>
#include <ApplicationServices/ApplicationServices.h>
#import <mach-o/dyld.h>
#import <stdlib.h>
#import <string.h>
#include <OpenGL/gl.h>
#include <OpenGL/glext.h>
PyObject * meth_load_opengl_function(PyObject * self, PyObject * arg) {
if (!PyUnicode_CheckExact(arg)) {
return NULL;
}
PyObject * prefix = PyUnicode_FromString("_");
PyObject * prefixed = PyNumber_Add(prefix, arg);
NSSymbol symbol = NULL;
const char * method = PyUnicode_AsUTF8(prefixed);
if (NSIsSymbolNameDefined(method)) {
symbol = NSLookupAndBindSymbol(method);
}
Py_DECREF(prefixed);
Py_DECREF(prefix);
return PyLong_FromVoidPtr(symbol ? NSAddressOfSymbol(symbol) : NULL);
}
#else
#include <GL/gl.h>
#include <GL/glx.h>
PyObject * meth_load_opengl_function(PyObject * self, PyObject * arg) {
if (!PyUnicode_CheckExact(arg)) {
return NULL;
}
const char * name = PyUnicode_AsUTF8(arg);
return PyLong_FromVoidPtr((void *)glXGetProcAddress((unsigned char *)name));
}
#endif
PyMethodDef module_methods[] = {
{"load_opengl_function", (PyCFunction)meth_load_opengl_function, METH_O},
{},
};
PyModuleDef module_def = {PyModuleDef_HEAD_INIT, "windowed", NULL, -1, module_methods};
extern "C" PyObject * PyInit_windowed() {
PyObject * module = PyModule_Create(&module_def);
return module;
}
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