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Recent Posts
- Checkerboard rendering, rotated anti-aliasing and grid frequencies May 14, 2018
- Tech and scientific writing – graphics, diagram and graph creation tools October 22, 2017
- Separable disk-like depth of field August 6, 2017
- Cull that cone! Improved cone/spotlight visibility tests for tiled and clustered lighting April 13, 2017
- Small float formats – R11G11B10F precision April 2, 2017
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Categories
Tag Archives: depth of field
Separable disk-like depth of field
This is a short note accompanying shadertoy: https://www.shadertoy.com/view/lsBBWy . It is direct implementation of “Circularly symmetric convolution and lens blur” by Olli Niemitalo (no innovation on my side, just a toy implementation) and got inspired by Kleber Garcia’s Siggraph 2017 presentation “Circular … Continue reading
Posted in Code / Graphics
Tagged bokeh, depth of field, dof, far cry 4, Gaussian, maths, photography, poisson, postprocessing, separable, witcher 2
2 Comments
Anamorphic lens flares and visual effects
Introduction There are no visual effects that are more controversial than various lens and sensor effects. Lens flares, bloom, dirty lens, chromatic aberrations… All of those have their lovers and haters. Couple years ago many games used cheap pseudo HDR effect … Continue reading
Posted in Code / Graphics
Tagged algorithms, anamorphic, bokeh, C#, cinematography, depth of field, film, flares, graphics, graphics programming, history, lens, movies, photography, postprocessing, programming
16 Comments
Bokeh depth of field – going insane! part 1
Recently I was working on console version depth of field suitable for gameplay – so simple, high quality effect, running with a decent performance on all target platforms and not eating big percent of budget. There are tons of publications about … Continue reading
