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Commit Graph

745 Commits

Author SHA1 Message Date
Thomas Harte 6c75c60149 Merge branch 'master' into AtariST 2019-11-05 22:05:51 -05:00
Thomas Harte 35f1a7ab10 Resolves a potential out-of-bounds array access.
Risk was: allocation exactly joins end of buffer. In which case the next get_data won't wrap the texture y coordinate since it won't spot an x overage.
2019-11-05 21:47:40 -05:00
Thomas Harte 1c154131f9 Expands size of storage in Cycles/HalfCycles; adjusts widely to compensate. 2019-10-29 22:36:29 -04:00
Thomas Harte 92847037b3 Merge branch 'master' into AtariST 2019-10-27 21:40:51 -04:00
Thomas Harte 4266264449 Switches to the more idiomatic .empty(). 2019-10-27 21:31:31 -04:00
Thomas Harte 3794d94b68 Adds a sanity check on alignment. 2019-10-27 14:09:02 -04:00
Thomas Harte d1dd6876b5 Adds the option to affix a standard prefix to log messages. 2019-10-20 20:38:55 -04:00
Thomas Harte 684644420a Increases scan buffer availability. 2019-10-20 17:22:41 -04:00
Thomas Harte 9c7aa5f3fc Attempts also to spot data writes without allocations. 2019-10-19 18:26:56 -04:00
Thomas Harte 418cd07e17 Adds a check against overrunning data. 2019-10-19 18:17:44 -04:00
Thomas Harte 19198ea665 Improves const usage. 2019-07-16 22:13:47 -04:00
Thomas Harte 60cedca97b Adds cmath in support of ceilf. 2019-07-08 18:14:03 -04:00
Thomas Harte f6f9024631 Corrects Macintosh aspect ratio (and framing). 2019-06-13 18:41:38 -04:00
Thomas Harte 66540ff86f Permits end_data only after a begin_data. 2019-06-03 21:56:53 -04:00
Thomas Harte b860ba2ee3 Disallows smaller buffer use for 'sharp' displays and tightens sampling window. 2019-06-03 15:58:14 -04:00
Thomas Harte d25ab35d58 Finally gets setw usage correct. 2019-04-15 12:41:56 -04:00
Thomas Harte 6f7dd10d95 Reduces draw/update contention.
This won't yet have any effect on either port owing to the way they handle contexts, but here it is.
2019-03-07 19:28:32 -05:00
Thomas Harte 24fb95291a Reverts to support a full RGBA colour buffer. 2019-03-07 19:22:40 -05:00
Thomas Harte 84422676cb Switches to more coherent logic about buffer sizing. 2019-03-06 19:19:30 -05:00
Thomas Harte 7441e3f4c5 Corrects aspect ratio when changing accumulation texture size. 2019-03-05 22:10:32 -05:00
Thomas Harte f18132d674 Makes effort to round out draft 1 of Outputs::Display::Metrics. 2019-03-05 22:01:58 -05:00
Thomas Harte 5660007221 Experimentally introduces adaptive quality intermediate buffers. 2019-03-05 21:41:20 -05:00
Thomas Harte 86a6b04d4a Begins attempts to keep track of display metrics.
i.e. a system that can both make smart decisions about when to use a lower resolution, and hopefully allow some sort of flywheel-esque horizontal retrace synchronisation. And possibly some raster beam chasing?
2019-03-04 21:54:50 -05:00
Thomas Harte 641e349f33 Switches to an 8bpp stencil, for Nvidia compatibility. 2019-03-03 20:38:24 -05:00
Thomas Harte ccdeb3fbc8 Ensures draw is a no-op prior to pipeline setup. 2019-03-03 15:04:14 -05:00
Thomas Harte bee0d09877 Splits display update and draw functions.
On the Mac, draw is now called without an update for resizing events, and
anything else requested by AppKit. In all other cases — including from
the SDL version — both are called as if they were still a single function.
2019-03-02 19:33:28 -05:00
Thomas Harte d97348dd38 Eliminates dangling uses of printf. 2019-03-02 18:07:05 -05:00
Thomas Harte d122535a65 Unifies the OpenGL screenshot code and corrects it for arbitrary alignment. 2019-02-27 21:05:02 -05:00
Thomas Harte db078c7363 Minor tweak: don't start counting phase from zero.
This should ensure no first pixel issues resulting from clamping.
2019-02-27 18:51:51 -05:00
Thomas Harte 6b4f6971de Disables upper limit on frame buffer size.
Filtering is sufficiently imperfect as to make this justifiable only when performance requires it. So I need a test for that. Marked as TODO.
2019-02-26 22:39:07 -05:00
Thomas Harte 79707a3c66 Improves filtering slightly, and ensures coefficients are always set when needed. 2019-02-26 22:35:55 -05:00
Thomas Harte 694783efe9 Brings S-Video inside the group that filters luminance.
Thereby revealing some sort of error in offset selection.
2019-02-26 22:27:40 -05:00
Thomas Harte 68c5474e36 Reintroduces basic filtering for RGB mode (and introduces it for monochrome composite). 2019-02-26 22:21:49 -05:00
Thomas Harte cd055a0298 Introduces an upper bound on output resolution, and resolves full-screen clear colour. 2019-02-25 22:07:48 -05:00
Thomas Harte 8f2abab0d9 Ensures texture targets are initially clear. 2019-02-25 21:55:14 -05:00
Thomas Harte 4c5dee866b Ensures a proper black fill for Luminance8Phase8 input data. 2019-02-25 21:32:15 -05:00
Thomas Harte 7bb90c78d9 Resolves out-of-bounds initial condition whenever this loop began with start_line = 2047.
This, I believe, was the remaining cause of screen flashes.
2019-02-24 19:50:19 -05:00
Thomas Harte a6e61ef83b Reverts the clear colour to black.
The change was related to debugging; it was not intentionally committed.
2019-02-24 14:36:08 -05:00
Thomas Harte c775a6c0f8 Introduces but disables a couple of bits of logging that might be helpful again in the future. 2019-02-24 14:30:39 -05:00
Thomas Harte 2f9e825728 Forces the outward-communicated composite angles to have the same precision as the cycle counts.
While also making a minor improvement to output range. Which is neither here nor there.
2019-02-24 14:29:43 -05:00
Thomas Harte 2f491b5be1 Reintroduces fragment snapping for composite colour sampling.
Thereby uncovers some sort of slightly-off recording of scan lines. On the Apple II, individual scans reach the ScanTarget at a density of exactly 0.25 colour cycles per pixel. So that timing information propagates exactly. But the whole lines that are composed via ::announce end up trying to fit 0.250154 colour cycles per pixel. Which creates a phase error as the display progresses from left to right.

This will need to be resolved in order to be able to fix the Apple II's intended colour phase. But, also, it's probably what was wrong with the Oric. And, quite possibly, why the single-step shader didn't work.
2019-02-24 13:39:14 -05:00
Thomas Harte de7ebead23 Ensures the line_allocation_has_failed_ condition can be exited. 2019-02-21 22:30:41 -05:00
Thomas Harte c0c4704419 Ensures that failure to allocate a line blocks all other allocations. 2019-02-21 21:38:48 -05:00
Thomas Harte 080f949f89 Ensures OpenGL version is logged prior to any other GL calls. 2019-02-20 20:21:17 -05:00
Thomas Harte 9f6956bd87 Awards default values to Scan, to appease GCC 7.3. 2019-02-19 21:40:42 -05:00
Thomas Harte ddf5e1632d Ensures log memory is automatically initialised. 2019-02-18 22:08:03 -05:00
Thomas Harte 40bfde41cb Adds an OpenGL version shout out. 2019-02-18 22:01:56 -05:00
Thomas Harte e0751af56d Handles the 0 return case. 2019-02-18 21:56:49 -05:00
Thomas Harte 3979faf43b Gets more explicit about potential causes of failure. 2019-02-18 21:53:35 -05:00
Thomas Harte 878b480a44 Tidies up marginally. 2019-02-18 21:37:07 -05:00