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Offscreen rendering
Description
When
one thinks of 3D rendering, it is common to think of 3D graphics rendered to
the screen.
When creating a rendering context, a default framebuffer is constructed, and attached to the current window. Rendering is performed in this framebuffer.
However, in some cases we may be interested in rendering to memory (offscreen) instead.
Offscreen rendering can be useful for numerous effects, like
When creating a rendering context, a default framebuffer is constructed, and attached to the current window. Rendering is performed in this framebuffer.
However, in some cases we may be interested in rendering to memory (offscreen) instead.
Offscreen rendering can be useful for numerous effects, like
- Mirrors, CCTV screens
- Image processing (edge detection, blur)
- Bloom
- Shadows
- Deferred rendering
- Dynamic cube mapping
- (others)
Importance
High