The previous name was too strict on what could be put into the effect, and would result in additional clutter in the Filter menu when we eventually decide to support other Upscaling methods than Super-Resolution networks.
While the previous method worked, it matches no other implementation including a reference implementation. The new implementation almost perfectly matches the reference implementation and uses oversampling to achieve the goal. This has the downside of limiting the blur size to just 64, but it is necessary in order to achieve correct results.
Fixes#573
The code of this effect was quite dated and no longer up to my standards of coding, and lacking pretty much all comments that explain what things do. This meant that it was not a great example by default, and couldn't be used by new Effect creators as a reference.
Also the following settings were adjusted:
- 'Strength' now ranges from 0 to 200 %.
- 'Border Color' defaults to Opaque Black.
- 'Feathering' now ranges from 0 to 100 %.
Many shader examples share quite a bit of code, and the OBS Studio parser and GPU driver shader compiler actually get rid of unused code quite well. So we can simply share the code between many examples, which drastically improves the quality of the code.
While the long descriptions were useful, keeping the updated and translated is pretty much impossible. Technology moves fast and not everyone that translates the project knows a lot about technology.
Therefore the long descriptions have now been replaced with a button that opens the wiki page for the feature instead. This should drastically reduce the number of help cases, and improve the translation coverage at the same time.
There is hardly any reason for us to recalculate everything all the time. LUTs can cache the work once, and then re-use it every time necessary, drastically reducing the impact of Color Grading by almost 60% (on some GPUs even more). Additionally this fixes the negative gamma issue, which plagued the filter for a while.
In the future, once PR 4199 (https://github.com/obsproject/obs-studio/pull/4199) has been merged, we can cut away one intermediate rendering step currently required to make the effect work. Hopefully this will be with the 27.x release of OBS Studio.
For simple image and video editing, LUTs (Look-Up Tables) are vastly superior to running the entire editing operation on each pixel - especially if all the processing can be done inside a single shader.
Due to the post-processing requirements for our LUTs, we are limited to 8 bits per channel - though clever use of the unused Alpha channel may result in additional space. For our purposes however, this is definitely enough.
* New translations en-US.ini (Turkish)
* New translations en-US.ini (Sinhala)
* New translations en-US.ini (Spanish)
* New translations en-US.ini (Czech)
* New translations en-US.ini (Serbo-Croatian)
