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Commit Graph

171 Commits

Author SHA1 Message Date
Thomas Harte
9ee11d7765 At the expense of API simplicity, at least for now, resolved the most glaring cause of dirty lines. 2016-11-16 11:34:05 +08:00
Thomas Harte
44d3fd6d5b Fixed mistimed reset of the target output line. Now all that's left is occasional noise. 2016-11-16 11:22:12 +08:00
Thomas Harte
7a737e0790 Both pathways start with a buffer that clears to black. So no need to keep going on about it. 2016-11-16 11:12:08 +08:00
Thomas Harte
f63e849092 Sought completely to eliminate the outgoing concept of 'clearing zones'. 2016-11-16 11:10:34 +08:00
Thomas Harte
294adde344 Eliminated zoned clearing, in favour of a complete buffer clear on each load and attempted to reduce locking. But imperfectly. 2016-11-16 10:59:12 +08:00
Thomas Harte
ccedb6bea6 Introduced an intermediate buffer that collects lines before flushing them to the output buffer. 2016-11-16 10:49:18 +08:00
Thomas Harte
ba2adf8bb1 Normalised on std::vector rather than std::unique_ptr<uint8_t *> as (probably?) more idiomatic. Improved structure slightly. Introduced a container for line data, albeit one that isn't yet used. 2016-11-16 10:34:54 +08:00
Thomas Harte
eefd0c17b6 Actually, I guess that to fulfil the contract I can't silently decide not to draw if I'm being told I definitely need to draw. 2016-07-01 16:27:45 -04:00
Thomas Harte
4ac619f569 glClientWaitSync appears to be a busy wait, at least on my machine. But why wait indefinitely anyway? 2016-06-29 21:32:47 -04:00
Thomas Harte
ff53accca0 Demonstrated that issue is coloured borders, made a guess as to buffer exhaustion, upped limits as a temporary fix. 2016-06-29 21:16:34 -04:00
Thomas Harte
2bd71e7e9b .reset is the more normal way to reassign a unique_ptr. 2016-06-23 20:52:44 -04:00
Thomas Harte
2992183aae Switched to a lookup table for phase, temporarily in YUV colour space, probably. Working on it. 2016-06-12 14:39:17 -04:00
Thomas Harte
68a8851c52 Increased parallelism, allowing a simplification in the GL view. 2016-06-02 22:29:09 -04:00
Thomas Harte
4ad074fc78 Introduced a four-cycle delay between playfield fetch and display, curing Yar's Revenge. Also disabled barrel roll scanling colouring again. I really need to make my mind up on that. 2016-05-16 19:55:56 -04:00
Thomas Harte
9d92ad659f Established the basic timing loop, albeit without clocking delays yet. 2016-05-16 08:01:29 -04:00
Thomas Harte
00a2b42080 Made thread-safe. 2016-05-15 15:19:52 -04:00
Thomas Harte
091516e3cb The semantics might need better exposition but: fixed UniformXfv calls plus matrix calls, documented new semantics on all setters. 2016-05-15 14:59:59 -04:00
Thomas Harte
328fabcd10 Ensured values aren't dangling pointers. 2016-05-14 18:15:10 -04:00
Thomas Harte
492dc7ccbf Made an attempt to queue uniform changes until the next call to bind. That's to allow usage from other threads. 2016-05-14 18:06:55 -04:00
Thomas Harte
30f335fa35 Switched pervasively to using the named slot uniform setters on Shader. 2016-05-13 22:08:32 -04:00
Thomas Harte
8d52765f40 Realised why new shaders weren't taking. Very negligibly decreased Atari drawing cost. 2016-05-12 22:22:24 -04:00
Thomas Harte
6d65bc9b3a Permitted a wider error window on vertical sync, tidied things up a little and started trying to move towards full implementation of the OpenGL contract. 2016-05-11 22:11:01 -04:00
Thomas Harte
4b3c4082d2 These functions appear correctly to model the NTSC and PAL palettes; the CRT's attempt to switch function doesn't work properly yet though. 2016-05-11 21:07:18 -04:00
Thomas Harte
a8ce021136 Fixed comment. 2016-05-10 19:59:03 -04:00
Thomas Harte
0d2d6a452d Fixed some dangling buffer management issues. 2016-05-10 19:55:34 -04:00
Thomas Harte
b6d2c8cb63 Switched to instaced drawing for source[/intermediate] runs too, reducing that data transfer footprint by 50%. 2016-05-10 19:50:12 -04:00
Thomas Harte
7369139f7e Realised that phase time can fit inside a single byte, since it's always (well) within the first quarter of the line — and if it somehow weren't (?) then taking it modulo the frequency would do. 2016-05-10 19:14:57 -04:00
Thomas Harte
47ae402f7e Introduced a shorthand for setting up array attributes. 2016-05-10 19:11:48 -04:00
Thomas Harte
257420b0f7 Fixed potential output error if buffer top were hit; clarified buffer size constants. 2016-05-10 19:04:03 -04:00
Thomas Harte
309313c470 Update CRTConstants.hpp
Lack of data duplication means this storage can be smaller.
2016-05-10 10:49:48 -04:00
Thomas Harte
1d0bcb416d Dropped the size per output run back down to 8 bytes. 2016-05-10 07:47:47 -04:00
Thomas Harte
b0f0315f12 Fixed: this now implements 12-byte instancing for output runs. 2016-05-10 07:30:12 -04:00
Thomas Harte
86dab3a5d6 Quickest first attempt to switch to instancing for the output array. Texture coordinates seem to be off. 2016-05-10 07:23:47 -04:00
Thomas Harte
daec21d3d8 Found and fixed off-by-one error. Display should now be completely fixed. 2016-05-09 21:14:59 -04:00
Thomas Harte
59d766b325 Rationalised buffer sizes. 2016-05-09 19:17:03 -04:00
Thomas Harte
7e2bd78891 With an eye towards instancing, moved away from circular buffers. 2016-05-09 19:14:30 -04:00
Thomas Harte
ad734f341f Attempted fully to perfect memove, albeit that it's not affecting either current machine. 2016-05-09 07:44:05 -04:00
Thomas Harte
8eb058064c Fixed: ensured that the attempt to plot a misplaced write occurs correctly. 2016-05-09 07:42:26 -04:00
Thomas Harte
e6a7161e87 Made some minor corrections on the copyback of misplaced write data. 2016-05-09 07:39:57 -04:00
Thomas Harte
45af963b9a Moved more of the circular logic inside getCircularRanges in order to eliminate one more potential source of error. 2016-05-09 07:34:37 -04:00
Thomas Harte
cec9ad0dc6 Switched to a more rational interface, ensured output_level will work when eventually needed, and that neither it nor output_data attempts a recursive lock. 2016-05-09 07:02:12 -04:00
Thomas Harte
a82fa31370 Switched back to broad locking for CRT updates. To eliminate one more thing. 2016-05-09 06:58:26 -04:00
Thomas Harte
47302de23a Switched to simpler storage for _image. 2016-05-08 21:11:56 -04:00
Thomas Harte
1f02c5df88 Tidied up some further loose ends. 2016-05-08 20:58:18 -04:00
Thomas Harte
7b5982e455 Removed last mentions of 'lateral'. 2016-05-08 20:51:28 -04:00
Thomas Harte
986019f9f9 Fixed error that could lead to split output run vertex writes. 2016-05-08 20:30:59 -04:00
Thomas Harte
1a214a8308 Fence sync tied up. Remaining glitches are likely off-by-one-type errors but we'll see. 2016-05-08 19:45:36 -04:00
Thomas Harte
ef3b91d3aa Made an attempt to get formal on synchronisation. 2016-05-08 19:42:33 -04:00
Thomas Harte
dd469fe83a Switched back to normal frame drawing logic and cleaned up the circular range stuff a little, to make it clear that no errors lie there. 2016-05-08 18:50:30 -04:00
Thomas Harte
ccdbec3ffc Corrected for potential lost lines. 2016-05-08 16:43:11 -04:00