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GraphicsMathPerformance / optimizationCReverse engineering

’15’20’25
Posts
63 from 29 Mar 2011 to 4 Oct 2026
Posting
now and then (5 in the last year)
Kind
personal blog
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http://blog.pkh.me/rss.xml

2026 2

  1. Float and integer arithmetic follow two different paradigms
  2. Index prog

2025 8

  1. A series of tricks and techniques I learned doing tiny GLSL demos
  2. Index math
  3. Text rendering and effects using GPU-computed distances
  4. Fast calculation of the distance to cubic Bezier curves on the GPU
  5. Code golfing a tiny demo using maths and a pinch of insanity
  6. Perfecting anti-aliasing on signed distance functions
  7. The current technology is not ready for proper blending
  8. Sharing everything I could understand about gradient noise

2024 1

  1. Fixing the iterative damping interpolation in video games

2023 1

  1. Hacking window titles to help OBS

2022 11

  1. Improving color quantization heuristics
  2. Porting OkLab colorspace to integer arithmetic
  3. GCC undefined behaviors are getting wild
  4. Figuring out round, floor and ceil with integer division
  5. Index debug
  6. Investigating why Steam started picking a random font
  7. reverse
  8. Exploring intricate execution mysteries by reversing a crackme
  9. Deconstructing Bézier curves
  10. Invert a function using Newton iterations
  11. From roots to polynomials

2021 2

  1. Saving a restic backup the hard way
  2. The most useful math formulas

2020 3

  1. Building a competitive ladder for OpenRA
  2. Finding specific multimedia samples
  3. Story of debugging a crash in MPD

2017 6

  1. Index book
  2. Self editing a (French) novel with free and open source software
  3. Making development board cases with ShimonBox
  4. Dealing with the ARM AArch64 SIMD documentation
  5. Index ffmpeg
  6. Understanding selective coloring in Adobe Photoshop

2015 2

  1. High quality GIF with FFmpeg
  2. Templating in C

2014 2

  1. Index algo
  2. Butchering HQX scaling filters

2013 4

  1. Index trick
  2. Kanji 3D Mapping fun hack
  3. Index mylife
  4. Learning Japanese the nerd way

2012 13

  1. Map for xkcd No:1110
  2. Index music
  3. The music classifying nightmare
  4. Fun and canny optim for a Canny Edge Detector
  5. The FFmpeg/Libav situation
  6. Emptiness
  7. Secball
  8. Index av
  9. Audio, Video and Broadcasting industry
  10. DLX and reduced memory footprint
  11. Index animes
  12. Anime influences
  13. Cries hunting

2011 8

  1. LAS Lossy Audio Spotter
  2. Reverse in Arakis
  3. Index nginx
  4. simple_vhost with NGiNX
  5. Masquerade ball with eight queens
  6. Smart and simple progress value hack
  7. rom hacking
  8. Scavenger hunt