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Commit Graph

97 Commits

Author SHA1 Message Date
Ryan Carsten Schmidt
5ef6b190af Fix typos 2023-12-16 03:53:07 -06:00
Thomas Harte
8578dfbf22 Eliminate various other errant spaces. 2023-05-16 16:40:09 -04:00
Thomas Harte
28c79b2885 Eliminate redundant [space][tab] pairs. 2023-05-12 14:14:45 -04:00
Thomas Harte
3e4044c7a0 Use softer-edged luminance. 2022-07-25 13:24:08 -04:00
Thomas Harte
28a7dc194c Increase saturation. 2022-07-17 22:01:30 -04:00
Thomas Harte
a943a0b59a Make sharpening slightly more aggressive. 2022-07-17 19:22:09 -04:00
Thomas Harte
51ed3f2ed0 Reduce modal-related thread hopping. 2022-07-09 13:03:45 -04:00
Thomas Harte
cecdf8584a Ensures proper propagation of will_change_owner. 2021-04-30 22:51:26 -04:00
Thomas Harte
4758bc8615 Attempts to support insertion of states into existing windows. 2021-04-30 21:37:41 -04:00
Thomas Harte
31d68622c8 Better ensures frame buffer can be cleared. 2020-12-29 22:26:19 -05:00
Thomas Harte
4bf85abf30 Ensure defined initial state for the frame buffer. 2020-12-10 18:15:07 -05:00
Thomas Harte
394f6b58d8 Ensure _finalisedLineTexture really is cleared. 2020-12-09 20:18:53 -05:00
Thomas Harte
b589d6e3ef Fixes retina-display buffer size. 2020-12-09 18:51:10 -05:00
Thomas Harte
a781c3eb4d Resolves thread-unsafe access of _view.bounds. 2020-09-22 22:13:37 -04:00
Thomas Harte
bc8787ded6 Improves macro safety. 2020-09-15 22:26:33 -04:00
Thomas Harte
82dbdf7dfc Switches to using regular linear interpolation for supersampling. 2020-09-14 22:36:00 -04:00
Thomas Harte
8557bb2136 Adds minor exposition. 2020-09-14 20:39:52 -04:00
Thomas Harte
c0c7818d5d Reintroduces screenshots. 2020-09-14 20:33:05 -04:00
Thomas Harte
ceeadd6a33 Edges up towards reimplementing screenshots. 2020-09-13 22:30:17 -04:00
Thomas Harte
c5e9a74c88 Uses DisplayMetrics to disable supersampling when too slow. 2020-09-13 21:07:59 -04:00
Thomas Harte
d7972a7b86 Enforces across-the-board supersampling.
I'm damned if I can figure out how to talk an MTKView, or Metal in general, into supersampling so as a first effort this does it in software.
2020-09-13 19:30:26 -04:00
Thomas Harte
bcaceff378 Simplifies in-Metal transform logic, loading responsibility for setup onto the CPU.
I think I've also finally excised whatever order-of-operations issue I was having with regard to non-4:3 displays.
2020-09-10 20:32:58 -04:00
Thomas Harte
d7b405c6f8 Ensures direct luminance -> 'RGB' video doesn't go down the composition pipeline. 2020-09-10 13:20:40 -04:00
Thomas Harte
edf8cf4dc6 Completes the set of with/without gamma, and ensures correct alpha selection.
Also culls some other repetitive TODOs.
2020-09-09 19:28:38 -04:00
Thomas Harte
e7ce03c418 Attempts to ensure initial finalised line texture state.
This was an attempt to remove the vertical line on the left of a composite display. Obviously the cause is not as suspected.
2020-09-09 13:15:21 -04:00
Thomas Harte
3d392dd81d Completes conversion of composite & S-Video per-pixel processing to 16-bit floats. 2020-09-09 13:02:04 -04:00
Thomas Harte
42d810db7f Switches per-pixel uniforms to halfs. 2020-09-09 10:53:09 -04:00
Thomas Harte
18571e8351 Also calculates a chroma kernel size, though it isn't used for anything yet. 2020-09-08 20:08:56 -04:00
Thomas Harte
dda1649ab7 Introduces smaller luma kernel functions where useable. 2020-09-08 19:55:37 -04:00
Thomas Harte
c82e0df071 Starts a transition towards half-precision arithmetic. 2020-09-08 19:37:36 -04:00
Thomas Harte
06b7ea5a6e Strips the luma kernel back to 1d. 2020-09-08 19:15:19 -04:00
Thomas Harte
c49fcb9ec9 Based on further play: one box filter to separate luma/chroma, another to filter chroma, plus a FIR sharpen on luma. 2020-09-08 16:35:05 -04:00
Thomas Harte
0e44d6d214 Experiments with an all-box filter. 2020-09-08 16:19:08 -04:00
Thomas Harte
6adad7fbf5 Starts experimenting again with box filters. 2020-09-07 22:47:49 -04:00
Thomas Harte
07dcb4dbb1 Starts reintroducing brightness, gamma and transparency for composite and S-Video pipelines. 2020-09-07 18:19:13 -04:00
Thomas Harte
e99896eadc At least nominates alpha, gamma and brightness to metal. 2020-09-04 16:07:58 -04:00
Thomas Harte
489701afcb Fixes window resizing. 2020-09-03 21:28:39 -04:00
Thomas Harte
55e576cc57 Ensures unpainted areas in composite displays have a non-asymptotic effect on luminance calculations. 2020-09-03 21:10:30 -04:00
Thomas Harte
6bd8ec9545 Alas, 1.0 seems to be the limit for proper artefact colour. 2020-09-03 20:53:45 -04:00
Thomas Harte
5cd8d86eef Switches to dynamic generation of the 'sharpness' filter, correcting issues with the Apple II (amongst others). 2020-09-03 20:48:44 -04:00
Thomas Harte
74d0acdaec Fixes non-RGB colour composite generation.
The hard-coded sharpen filter proves to be a really bad fit for the Apple II though.
2020-09-03 19:04:17 -04:00
Thomas Harte
0288a1974b Tries: separate filters for chroma and luma, plus a post-separation sharpen filter on the latter. 2020-09-03 13:18:21 -04:00
Thomas Harte
6efd8782fe Tweaks coefficients some more; makes sure that data is never larger than the intermediate buffers. 2020-09-02 20:14:41 -04:00
Thomas Harte
8bab9d5d60 Corrects S-Video and composite generation for RGB[1/2/4] sources.
Also toys with a double luminance filter in order to try to sharpen chrominance. But maybe I should be looking at other convolutions entirely?
2020-09-02 19:13:54 -04:00
Thomas Harte
7e58648743 Corrects front-running bug, plays further with colour amplitude. 2020-09-02 15:51:48 -04:00
Thomas Harte
0f0c3e616d Tweaks some numbers.
I'm largely treading water here. Probably time to think about the race.
2020-09-02 08:17:01 -04:00
Thomas Harte
c7ce65ea4c Attempts fully to restore composite video.
Subject to some sort of nasty race condition for the time being.
2020-09-02 08:03:10 -04:00
Thomas Harte
c36247b609 Ensures reuse of offset buffers.
There seems to be some sort of epic race condition as the drawing pipeline lags though. Will need to investigate.
2020-09-01 22:11:48 -04:00
Thomas Harte
15296e43a4 Attempts correctly to set up the CPU side of a composite video pipeline, at least.
So: I think this is really close, but I'm out of time for the day.
2020-09-01 21:58:33 -04:00
Thomas Harte
f2929230a2 [Experimentally] introduces blending between computed S-Video fragments. 2020-09-01 21:37:36 -04:00