summary of Mesa's extension enum values
diff --git a/docs/enums.txt b/docs/enums.txt
new file mode 100644
index 0000000..8086815
--- /dev/null
+++ b/docs/enums.txt
@@ -0,0 +1,45 @@
+
+Blocks allocated to Mesa:
+ 0x8750-0x875F
+ 0x8BB0-0x8BBF
+
+
+
+GL_MESA_packed_depth_stencil
+ GL_DEPTH_STENCIL_MESA 0x8750
+ GL_UNSIGNED_INT_24_8_MESA 0x8751
+ GL_UNSIGNED_INT_8_24_REV_MESA 0x8752
+ GL_UNSIGNED_SHORT_15_1_MESA 0x8753
+ GL_UNSIGNED_SHORT_1_15_REV_MESA 0x8754
+
+
+GL_MESA_pack_invert.spec
+ GL_PACK_INVERT_MESA 0x8758
+
+GL_MESA_program_debug.spec:
+ GL_FRAGMENT_PROGRAM_CALLBACK_MESA 0x????
+ GL_VERTEX_PROGRAM_CALLBACK_MESA 0x????
+ GL_FRAGMENT_PROGRAM_POSITION_MESA 0x????
+ GL_VERTEX_PROGRAM_POSITION_MESA 0x????
+ GL_FRAGMENT_PROGRAM_CALLBACK_FUNC_MESA 0x????
+ GL_FRAGMENT_PROGRAM_CALLBACK_DATA_MESA 0x????
+ GL_VERTEX_PROGRAM_CALLBACK_FUNC_MESA 0x????
+ GL_VERTEX_PROGRAM_CALLBACK_DATA_MESA 0x????
+
+GL_MESA_trace.spec:
+ GL_TRACE_ALL_BITS_MESA 0xFFFF
+ GL_TRACE_OPERATIONS_BIT_MESA 0x0001
+ GL_TRACE_PRIMITIVES_BIT_MESA 0x0002
+ GL_TRACE_ARRAYS_BIT_MESA 0x0004
+ GL_TRACE_TEXTURES_BIT_MESA 0x0008
+ GL_TRACE_PIXELS_BIT_MESA 0x0010
+ GL_TRACE_ERRORS_BIT_MESA 0x0020
+ GL_TRACE_MASK_MESA 0x8755
+ GL_TRACE_NAME_MESA 0x8756
+
+MESA_ycbcr_texture.spec:
+ GL_YCBCR_MESA 0x8757
+ GL_UNSIGNED_SHORT_8_8_MESA 0x85BA /* same as Apple's */
+ GL_UNSIGNED_SHORT_8_8_REV_MESA 0x85BB /* same as Apple's */
+
+