I render a normal and a depth image of a scene. Then I want to reuse these two images to do further texture/image processing in a second fragment shader. I use a framebuffer with 3 textures attached ...
I have a fbo, with 8 textures in it (g-buffer). What I'm trying to do, is to render all information from opaque objects to first four(color, normal, position, depth), and info from transparent objects ...