GLSL tagged posts

Dream Hills – PostFX

The term Post Process is used in the video/film business for image quality improvement. Also, post-processing is commonly used in 3D rendering, especially for video games. Instead of rendering 3D objects directly to the display, the scene is first rendered to a buffer. Pixel Shaders and optionally Vertex Shaders are then used to apply post-processing filters to the image buffer before displaying it to the screen. Some PostFX also require multiple-passes, gamma inputs, vertex manipulation and depth buffer access.

Read More