Document GisOpenGL

[grits] / HACKING

diff --git a/HACKING b/HACKING
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..4c6f0e8b9dc2519502f7b7acd999f86e4bd31fcb 100644 (file)
--- a/HACKING
+++ b/HACKING
@@ -0,0 +1,3 @@
+http://www.opengl.org/sdk/docs/man/
+http://www.glprogramming.com/red/
+http://www.glprogramming.com/blue/