How do I use OpenGL’s selection buffer to pick a 2D bitmap(drawed by glBitmap() or glDrawPixels())? Other geometries are right, but 2D bitmap are wrong.
Please give me a hand. ~^_^~
Thank you very much.
How do I use OpenGL’s selection buffer to pick a 2D bitmap(drawed by glBitmap() or glDrawPixels())? Other geometries are right, but 2D bitmap are wrong.
Please give me a hand. ~^_^~
Thank you very much.