1 files changed, 88 insertions, 0 deletions
diff --git a/test_glXCreateWindow.c b/test_glXCreateWindow.c
new file mode 100644
index 0000000..8ee1898
--- /dev/null
+++ b/test_glXCreateWindow.c
@@ -0,0 +1,88 @@
+/* This case is to test the glXCreateWindow() support.
+ * compile:
+ *    gcc -o test_glXCreateWindow test_glXCreateWindow.c -lGL
+ * run:
+ *    LIBGL_ALWAYS_SOFTWARE=yes ./test_glXCreateWindow
+ *
+ * Result:
+ *    The case should have no any output suppose the API works well.
+ *    Right now the mesa will report:
+ *      failed to create drawable
+ */
+#include<stdio.h>
+#include<stdlib.h>
+#include<X11/X.h>
+#include<X11/Xlib.h>
+#include<GL/gl.h>
+#include<GL/glx.h>
+
+static const int attributes[] = {
+    GLX_DRAWABLE_TYPE,    GLX_WINDOW_BIT,
+    GLX_RENDER_TYPE,      GLX_RGBA_BIT,
+    GLX_DOUBLEBUFFER,     GL_TRUE,
+    None
+};
+
+int main(void)
+{
+  GLXFBConfig config = NULL;
+  GLXFBConfig *configs = NULL;
+
+  Window dummy_xwin;
+  XVisualInfo *xvisinfo;
+  int major;
+  int minor;
+  int n_configs, i;
+  GLXDrawable dummy_drawable;
+  GLXWindow dummy_glxwin; 
+
+  Display *xdisplay = XOpenDisplay(NULL);
+  int xscreen_num = DefaultScreen (xdisplay);
+  Window root_xwin = DefaultRootWindow (xdisplay);
+
+  configs = glXChooseFBConfig (xdisplay,
+                  xscreen_num,
+                  attributes,
+                  &n_configs);
+  if (configs)
+  {
+    config = configs[0];
+    XFree (configs);
+  }
+  else
+  {
+    fprintf (stderr, "Unable to find config!\n");
+    return;
+  }
+
+  xvisinfo = glXGetVisualFromFBConfig (xdisplay, config);
+  if (xvisinfo == None)
+  {
+    fprintf (stderr, "Unable to retrieve the X11 visual!\n");
+    return;
+  }
+
+  dummy_xwin = XCreateWindow (xdisplay, root_xwin,
+                              100, 100, 200, 200,
+                              0,
+                              xvisinfo->depth,
+                              CopyFromParent,
+                              xvisinfo->visual,
+                              None,
+                              None);
+
+  if (glXQueryVersion (xdisplay, &major, &minor) &&
+      major == 1 && minor >= 3)
+  {
+    dummy_glxwin = glXCreateWindow (xdisplay,
+                                    config, 
+                                    dummy_xwin,
+                                    NULL);
+  }
+  else
+  {
+    fprintf (stderr, "The test cannot be performed in current GLX version : %d.%d\n", major, minor);
+  }
+
+  return;
+}