int main (void)
#endif
{
GLuint err;
#if defined(_WIN32) || !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
char* display = NULL;
int visual = -1;
if (glewParseArgs(argc-1, argv+1, &display, &visual))
{
#if defined(_WIN32)
fprintf(stderr, "Usage: glewinfo [-pf <id>]\n");
#else
fprintf(stderr, "Usage: glewinfo [-display <display>] [-visual <id>]\n");
#endif
return 1;
}
#endif
#if defined(_WIN32)
if (GL_TRUE == glewCreateContext(&visual))
#elif defined(__APPLE__) && !defined(GLEW_APPLE_GLX)
if (GL_TRUE == glewCreateContext())
#else
if (GL_TRUE == glewCreateContext(display, &visual))
#endif
{
fprintf(stderr, "Error: glewCreateContext failed\n");
glewDestroyContext();
return 1;
}
glewExperimental = GL_TRUE;
#ifdef GLEW_MX
err = glewContextInit(glewGetContext());
#ifdef _WIN32
err = err || wglewContextInit(wglewGetContext());
#elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
err = err || glxewContextInit(glxewGetContext());
#endif
#else
err = glewInit();
#endif
if (GLEW_OK != err)
{
fprintf(stderr, "Error [main]: glewInit failed: %s\n", glewGetErrorString(err));
glewDestroyContext();
return 1;
}
#if defined(_WIN32)
f = fopen("glewinfo.txt", "w");
if (f == NULL) f = stdout;
#else
f = stdout;
#endif
fprintf(f, "---------------------------\n");
fprintf(f, " GLEW Extension Info\n");
fprintf(f, "---------------------------\n\n");
fprintf(f, "GLEW version %s\n", glewGetString(GLEW_VERSION));
#if defined(_WIN32)
fprintf(f, "Reporting capabilities of pixelformat %d\n", visual);
#elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
fprintf(f, "Reporting capabilities of display %s, visual 0x%x\n",
display == NULL ? getenv("DISPLAY") : display, visual);
#endif
fprintf(f, "Running on a %s from %s\n",
glGetString(GL_RENDERER), glGetString(GL_VENDOR));
fprintf(f, "OpenGL version %s is supported\n", glGetString(GL_VERSION));
glewInfo();
#if defined(_WIN32)
wglewInfo();
#else
glxewInfo();
#endif
if (f != stdout) fclose(f);
glewDestroyContext();
return 0;
}
int main (int argc, char** argv)
{
GLuint err;
struct createParams params =
{
#if defined(__OSMESA__)
-1, /* bit depth */
#elif defined(_WIN32)
-1, /* pixelformat */
#elif !defined(__HAIKU__) && !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
"", /* display */
-1, /* visual */
#endif
0, /* major */
0, /* minor */
0, /* profile mask */
0 /* flags */
};
if (glewParseArgs(argc-1, argv+1, ¶ms))
{
fprintf(stderr, "Usage: glewinfo "
#if defined(__OSMESA__)
#elif defined(_WIN32)
"[-pf <pixelformat>] "
#elif !defined(__HAIKU__) && !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
"[-display <display>] "
"[-visual <visual id>] "
#endif
"[-version <OpenGL version>] "
"[-profile core|compatibility] "
"[-flag debug|forward]"
"\n");
return 1;
}
if (GL_TRUE == glewCreateContext(¶ms))
{
fprintf(stderr, "Error: glewCreateContext failed\n");
glewDestroyContext();
return 1;
}
glewExperimental = GL_TRUE;
#ifdef GLEW_MX
err = glewContextInit(glewGetContext());
#if defined(__OSMESA__)
err = err || osmewContextInit(osmewGetContext());
#elif defined(_WIN32)
err = err || wglewContextInit(wglewGetContext());
#elif !defined(__HAIKU__) && !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
err = err || glxewContextInit(glxewGetContext());
#endif
#else
err = glewInit();
#endif
if (GLEW_OK != err)
{
fprintf(stderr, "Error [main]: glewInit failed: %s\n", glewGetErrorString(err));
glewDestroyContext();
return 1;
}
#if defined(_WIN32)
#if defined(_MSC_VER) && (_MSC_VER >= 1400)
if (fopen_s(&f, "glewinfo.txt", "w") != 0)
f = stdout;
#else
f = fopen("glewinfo.txt", "w");
#endif /* _MSC_VER */
if (f == NULL) f = stdout;
#else
f = stdout;
#endif /* _WIN32 */
fprintf(f, "---------------------------\n");
fprintf(f, " GLEW Extension Info\n");
fprintf(f, "---------------------------\n\n");
fprintf(f, "GLEW version %s\n", glewGetString(GLEW_VERSION));
#if defined(__OSMESA__)
fprintf(f, "Reporting capabilitiees of OSMesa\n");
#elif defined(_WIN32)
fprintf(f, "Reporting capabilities of pixelformat %d\n", params.pixelformat);
#elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
fprintf(f, "Reporting capabilities of display %s, visual 0x%x\n",
params.display == NULL ? getenv("DISPLAY") : params.display, params.visual);
#endif /* __OSMESA__ */
fprintf(f, "Running on a %s from %s\n",
glGetString(GL_RENDERER), glGetString(GL_VENDOR));
fprintf(f, "OpenGL version %s is supported\n", glGetString(GL_VERSION));
glewInfo();
#if defined(__OSMESA__)
osmewInfo();
#elif defined(_WIN32)
wglewInfo();
#else
glxewInfo();
#endif /* __OSMESA__ */
if (f != stdout) fclose(f);
glewDestroyContext();
return 0;
}
int main (int argc, char** argv)
{
GLuint err;
struct createParams params =
{
#if defined(GLEW_OSMESA)
#elif defined(GLEW_EGL)
#elif defined(_WIN32)
-1, /* pixelformat */
#elif !defined(__HAIKU__) && !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
"", /* display */
-1, /* visual */
#endif
0, /* major */
0, /* minor */
0, /* profile mask */
0 /* flags */
};
#if defined(GLEW_EGL)
typedef const GLubyte* (GLAPIENTRY * PFNGLGETSTRINGPROC) (GLenum name);
PFNGLGETSTRINGPROC getString;
#endif
if (glewParseArgs(argc-1, argv+1, ¶ms))
{
fprintf(stderr, "Usage: glewinfo "
#if defined(GLEW_OSMESA)
#elif defined(GLEW_EGL)
#elif defined(_WIN32)
"[-pf <pixelformat>] "
#elif !defined(__HAIKU__) && !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
"[-display <display>] "
"[-visual <visual id>] "
#endif
"[-version <OpenGL version>] "
"[-profile core|compatibility] "
"[-flag debug|forward]"
"\n");
return 1;
}
if (GL_TRUE == glewCreateContext(¶ms))
{
fprintf(stderr, "Error: glewCreateContext failed\n");
glewDestroyContext();
return 1;
}
glewExperimental = GL_TRUE;
err = glewInit();
if (GLEW_OK != err)
{
fprintf(stderr, "Error [main]: glewInit failed: %s\n", glewGetErrorString(err));
glewDestroyContext();
return 1;
}
#if defined(GLEW_EGL)
getString = (PFNGLGETSTRINGPROC) eglGetProcAddress("glGetString");
if (!getString)
{
fprintf(stderr, "Error: eglGetProcAddress failed to fetch glGetString\n");
glewDestroyContext();
return 1;
}
#endif
#if defined(_WIN32)
#if defined(_MSC_VER) && (_MSC_VER >= 1400)
if (fopen_s(&f, "glewinfo.txt", "w") != 0)
f = stdout;
#else
f = fopen("glewinfo.txt", "w");
#endif
if (f == NULL) f = stdout;
#else
f = stdout;
#endif
fprintf(f, "---------------------------\n");
fprintf(f, " GLEW Extension Info\n");
fprintf(f, "---------------------------\n\n");
fprintf(f, "GLEW version %s\n", glewGetString(GLEW_VERSION));
#if defined(GLEW_OSMESA)
#elif defined(GLEW_EGL)
#elif defined(_WIN32)
fprintf(f, "Reporting capabilities of pixelformat %d\n", params.pixelformat);
#elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
fprintf(f, "Reporting capabilities of display %s, visual 0x%x\n",
params.display == NULL ? getenv("DISPLAY") : params.display, params.visual);
#endif
#if defined(GLEW_EGL)
fprintf(f, "Running on a %s from %s\n",
getString(GL_RENDERER), getString(GL_VENDOR));
fprintf(f, "OpenGL version %s is supported\n", getString(GL_VERSION));
#else
fprintf(f, "Running on a %s from %s\n",
glGetString(GL_RENDERER), glGetString(GL_VENDOR));
fprintf(f, "OpenGL version %s is supported\n", glGetString(GL_VERSION));
#endif
glewInfo();
#if defined(GLEW_OSMESA)
#elif defined(GLEW_EGL)
eglewInfo();
#elif defined(_WIN32)
wglewInfo();
#else
glxewInfo();
#endif
if (f != stdout) fclose(f);
glewDestroyContext();
return 0;
}