* Move initial batch of shaders and presets to smoothing subdirectory
* Rename smoothing to edge enhancement
* Move cubic and windowed into interpolation
* Fix some presets
* Fix rest of presets
* Rename edge-enhancement to edge-smoothing
* Move pixel art scalers into separate directory separate from 'interpolation'
* Flatten interpolation/cubic into interpolation/
* Grade - Formatting + Notes + Cosmetics
- Adopted some GLES related type consistency and formatting (still not compatible with GLES and not planned)
- Some notes on Phosphors
- Cosmetics
* Grade - Formatting + Notes + Cosmetics
- Adopted some GLES related type consistency and formatting (still not compatible with GLES and not planned)
- Some notes on Phosphors
- Cosmetics
* Update crt-consumer.slang
Removed NTSC as it conflicts with saturation/hue, and can be used as a separate pass anyway. Fixed some mistakes. Massive speed-up from 120 fps to 450 fps on Intel HD630.
* Update crt-gdv-mini-ultra.slang
Removed NTSC, some corrections too.
* Update zfast_crt_composite.slang
* Update fake-crt-geom.slang
* Add files via upload
* add night_mode
* Update lanczos16.slang
fix minor artifacts
* Brightness fix scanline.slang
Permanent Brightness fix. No need to adjust "SCANLINE_BASE_BRIGHTNESS.
* fix scanlines misalignment
* make a bunch of implicit scaling rules explicit and move color shaders before scaling shaders in the handheld directory
* remove extraneous file
* switch vhs from viewport to source scaling
* fix preset parsing issues from https://github.com/libretro/slang-shaders/issues/369
* one more preset fixed
* fix some malformed preset directives
* fix preset lines erroneously ending in semicolons
* fix another malformed preset directive
* make sure grade and glass at least load properly
* comment one more bad path
* update grade.slang
Gamma pipeline relogic
Fix LUT implementation
Fix rolled_gain function
New otuput space: Rec.709
Fixed some defaults (output space to 4.0, and temperature to D55)
* update.slang
fix back output space default
