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mirror of https://github.com/TomHarte/CLK.git synced 2024-11-10 23:05:01 +00:00
Commit Graph

6853 Commits

Author SHA1 Message Date
Thomas Harte
0ac2145740
Add Metal/OpenGL distinction. 2020-09-15 22:43:39 -04:00
Thomas Harte
bc8787ded6 Improves macro safety. 2020-09-15 22:26:33 -04:00
Thomas Harte
69d21daaa3 Improves commentary. 2020-09-15 22:21:05 -04:00
Thomas Harte
5651ef606d Resolves failure to advance video address when output is blocked. 2020-09-15 22:20:06 -04:00
Thomas Harte
b831b31382 Adds a further sanity check. 2020-09-15 17:04:04 -04:00
Thomas Harte
2fd5cc056c Adds std::atomic_thread_fences, but these seem not to be a magic bullet. 2020-09-15 16:34:34 -04:00
Thomas Harte
82dbdf7dfc Switches to using regular linear interpolation for supersampling. 2020-09-14 22:36:00 -04:00
Thomas Harte
eb9903cd10 Defensively disables allocation of anything outside of visible lines. 2020-09-14 22:29:05 -04:00
Thomas Harte
227e98d6d7 Slightly simplifies control flow. 2020-09-14 22:27:25 -04:00
Thomas Harte
35476063b7 Resolves potential data races. 2020-09-14 21:07:50 -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
1a2545fdea Excises dangling references to OpenGLView, reinstates display link. 2020-09-13 22:11:51 -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
7dd4c67304 Corrects access to data_type_size, adds sanity check on output area return. 2020-09-13 18:59:27 -04:00
Thomas Harte
e113780fd1 Minor: ensures no possibility of a dangling(-ish) pointer within the Mac video. 2020-09-10 22:13:19 -04:00
Thomas Harte
e32ae6c191 Adds UGLY HACKs to workaround uncovered issues in the OpenGL scan target. 2020-09-10 22:10:24 -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
dfcc8e9822 Switches some of the interpolated fields to half precision. 2020-09-09 18:17:05 -04:00
Thomas Harte
016e96e6f8 Extends usage of half. Possibly towards its conclusion. 2020-09-09 15:10:19 -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
de6ed7b615 Corrects phase-linked luminance support. 2020-09-07 20:53:28 -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
6ef1dfd8be Sets a more realistic colour subcarrier amplitude. 2020-09-02 15:52:05 -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