-#define GLX_MAX_PBUFFER_WIDTH ?
-#define GLX_MAX_PBUFFER_HEIGHT ?
-#define GLX_MAX_PBUFFER_PIXELS ?
-#define GLX_PRESERVED_CONTENTS ?
-#define GLX_LARGEST_BUFFER ?
-#define GLX_DRAWABLE_TYPE ?
-#define GLX_FBCONFIG_ID ?
-#define GLX_VISUAL_ID ?
-#define GLX_WINDOW_BIT ?
-#define GLX_PBUFFER_BIT ?
-#define GLX_AUX_BUFFERS_BIT ?
-#define GLX_FRONT_LEFT_BUFFER_BIT ?
-#define GLX_FRONT_RIGHT_BUFFER_BIT ?
-#define GLX_BACK_LEFT_BUFFER_BIT ?
-#define GLX_BACK_RIGHT_BUFFER_BIT ?
-#define GLX_AUX_BUFFERS_BIT ?
-#define GLX_DEPTH_BUFFER_BIT ?
-#define GLX_STENCIL_BUFFER_BIT ?
-#define GLX_ACCUM_BUFFER_BIT ?
-#define GLX_RENDER_TYPE ?
-#define GLX_DRAWABLE_TYPE ?
-#define GLX_X_RENDERABLE ?
+#define GLX_MAX_PBUFFER_WIDTH 0x8016
+#define GLX_MAX_PBUFFER_HEIGHT 0x8017
+#define GLX_MAX_PBUFFER_PIXELS 0x8018
+#define GLX_PRESERVED_CONTENTS 0x801B
+#define GLX_LARGEST_BUFFER 0x801C
+#define GLX_DRAWABLE_TYPE 0x8010
+#define GLX_FBCONFIG_ID 0x8013
+#define GLX_VISUAL_ID 0x800B
+#define GLX_WINDOW_BIT 0x00000001
+#define GLX_PIXMAP_BIT 0x00000002
+#define GLX_PBUFFER_BIT 0x00000004
+#define GLX_AUX_BUFFERS_BIT 0x00000010
+#define GLX_FRONT_LEFT_BUFFER_BIT 0x00000001
+#define GLX_FRONT_RIGHT_BUFFER_BIT 0x00000002
+#define GLX_BACK_LEFT_BUFFER_BIT 0x00000004
+#define GLX_BACK_RIGHT_BUFFER_BIT 0x00000008
+#define GLX_AUX_BUFFERS_BIT 0x00000010
+#define GLX_DEPTH_BUFFER_BIT 0x00000020
+#define GLX_STENCIL_BUFFER_BIT 0x00000040
+#define GLX_ACCUM_BUFFER_BIT 0x00000080
+#define GLX_DRAWABLE_TYPE 0x8010
+#define GLX_RENDER_TYPE 0x8011
+#define GLX_X_RENDERABLE 0x8012