Deferred Shading

Computer Graphics · Real-Time Shading · deferred-shading.yaml

Rasterize surface attributes into a G-buffer first, then light every visible pixel exactly once in a full-screen pass. Decouples lighting cost from scene complexity, at the price of bandwidth and awkward transparency.

• supersedescorrects · extends
• classifiesspecializes · part-of
• substitutes forapproximates · alternative-to
• depends onrequires · validates

Colour is the family; a dashed line is the second member of it.

This node

• alternative-tois a competing approach to Forward Shadingshades once per pixel, not once per overlapping fragment

Referenced by

• correctsClustered / Tiled Shading fixes a defect in thisevery light otherwise touches every pixel it covers
• part-ofG-Buffer is a subtopic of this
• correctsVisibility Buffer fixes a defect in thisfat G-buffers are bandwidth-bound at high resolution

References

• Background — Deferred shading on Wikipedia