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authorBrian Paul <brian.paul@tungstengraphics.com>1999-09-16 16:40:46 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>1999-09-16 16:40:46 +0000
commitd2bfe1ee29caf272006c6ee758845046ae6e3313 (patch)
treec7fc3b9e0d083510380192742c8917643cb2f2f0 /progs
parent43c9c2cfae458cf0d7618af5f25d57c0a5ebae08 (diff)
initial check-in
Diffstat (limited to 'progs')
-rw-r--r--progs/xdemos/glxinfo.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/progs/xdemos/glxinfo.c b/progs/xdemos/glxinfo.c
new file mode 100644
index 0000000000..e9ac47462c
--- /dev/null
+++ b/progs/xdemos/glxinfo.c
@@ -0,0 +1,99 @@
+/* $Id: glxinfo.c,v 1.1 1999/09/16 16:40:46 brianp Exp $ */
+
+
+/*
+ * Query GLX extensions, version, vendor, etc.
+ * This program is in the public domain.
+ * brian_paul@mesa3d.org
+ */
+
+
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <GL/glu.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+
+static void
+query_glx( Display *dpy, int scr )
+{
+ printf("GL_VERSION: %s\n", (char *) glGetString(GL_VERSION));
+ printf("GL_EXTENSIONS: %s\n", (char *) glGetString(GL_EXTENSIONS));
+ printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER));
+ printf("GL_VENDOR: %s\n", (char *) glGetString(GL_VENDOR));
+ printf("GLU_VERSION: %s\n", (char *) gluGetString(GLU_VERSION));
+ printf("GLU_EXTENSIONS: %s\n", (char *) gluGetString(GLU_EXTENSIONS));
+
+ printf("server GLX_VENDOR: %s\n", (char *) glXQueryServerString( dpy, scr, GLX_VENDOR));
+ printf("server GLX_VERSION: %s\n", (char *) glXQueryServerString( dpy, scr, GLX_VERSION));
+ printf("server GLX_EXTENSIONS: %s\n", (char *) glXQueryServerString( dpy, scr, GLX_EXTENSIONS));
+
+ printf("client GLX_VENDOR: %s\n", (char *) glXGetClientString( dpy, GLX_VENDOR));
+ printf("client GLX_VERSION: %s\n", (char *) glXGetClientString( dpy, GLX_VERSION));
+ printf("client GLX_EXTENSIONS: %s\n", (char *) glXGetClientString( dpy, GLX_EXTENSIONS));
+
+ printf("GLX extensions: %s\n", (char *) glXQueryExtensionsString(dpy, scr));
+}
+
+
+
+
+int
+main( int argc, char *argv[] )
+{
+ Display *dpy;
+ Window win;
+ int attrib[] = { GLX_RGBA,
+ GLX_RED_SIZE, 1,
+ GLX_GREEN_SIZE, 1,
+ GLX_BLUE_SIZE, 1,
+ None };
+ int scrnum;
+ XSetWindowAttributes attr;
+ unsigned long mask;
+ Window root;
+ GLXContext ctx;
+ XVisualInfo *visinfo;
+ int width = 100, height = 100;
+
+ dpy = XOpenDisplay(NULL);
+ if (!dpy) {
+ fprintf(stderr, "Unable to open default display!\n");
+ return 1;
+ }
+
+ scrnum = DefaultScreen( dpy );
+ root = RootWindow( dpy, scrnum );
+
+ visinfo = glXChooseVisual( dpy, scrnum, attrib );
+ if (!visinfo) {
+ fprintf(stderr, "Error: couldn't find RGB GLX visual!\n");
+ return 1;
+ }
+
+ /* window attributes */
+ attr.background_pixel = 0;
+ attr.border_pixel = 0;
+ attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+ attr.event_mask = StructureNotifyMask | ExposureMask;
+ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+ win = XCreateWindow( dpy, root, 0, 0, width, height,
+ 0, visinfo->depth, InputOutput,
+ visinfo->visual, mask, &attr );
+
+ ctx = glXCreateContext( dpy, visinfo, NULL, True );
+
+ glXMakeCurrent( dpy, win, ctx );
+
+ query_glx(dpy, scrnum);
+
+ glXDestroyContext(dpy, ctx);
+ XDestroyWindow(dpy, win);
+ XCloseDisplay(dpy);
+
+ return 0;
+}