Polygon helps!!!

i have a texture in the background covered with a black square… when i draw a polygon i fill a matrix with “1” to know the area of my polygon…now i should delete this area and see the texture where in my matrix there a “1” and black where there’s “0”…and i don’t know how to do this…pls help me…thanks

You are asking on the wrong board, dude.

You should ask this question on the “OpenGL coding: beginners” board which you can select from the combobox near the bottom of this page.