testcases

1 files changed, 27 insertions, 0 deletions

diff --git a/ogl.c b/ogl.c
new file mode 100644
index 0000000..3610050
--- /dev/null
+++ b/ogl.c
@@ -0,0 +1,27 @@
+/* gcc ogl.c -lGL -lX11 */
+/* fd.o bugzilla #8443 */
+
+#include <GL/glx.h>
+int main()
+{
+	Display *gdi_display = XOpenDisplay(NULL);
+	int screen = DefaultScreen(gdi_display);
+	Window win = RootWindow(gdi_display, screen);
+	Visual *visual;
+	XVisualInfo template;
+	XVisualInfo *vis;
+	int num;
+
+	GLXContext ctx = NULL;
+	visual = DefaultVisual(gdi_display, screen);
+	template.visualid = XVisualIDFromVisual(visual);
+	vis = XGetVisualInfo(gdi_display, VisualIDMask, &template, &num);
+	if (vis)
+		ctx = glXCreateContext(gdi_display, vis, None, GL_TRUE);
+	if (ctx)
+		glXMakeCurrent(gdi_display, win, ctx);
+	glXMakeCurrent(gdi_display, None, NULL);
+	XCloseDisplay(gdi_display);
+	return 0;
+}
+