Examples: Add webgpu_postprocessing_dof_basic.
#31445
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Related issue: -
Description
Physically correct DoF shaders are quite heavy so it would be nice to have something more lightweight. The idea of the PR is to decouple the out-of-focus blur from the DoF so developers can use blur effects of different quality and speed level. In this way, you can use hash, box or gaussian blur or whatever technique that suits best to the application. The DoF effect itself is so simple that isn't not worth to put in in a separate module. It's just inlined.
My goal is to enhance the existing
DepthOfFieldNodeby making input parameters more physically correct and also provide a higher quality DoF (the above blurs are no physically correct replacement for an optical lens blur). Developers can then choose between something physically correct/high-quality and a more cheap/simple solution.