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Commit Graph

450 Commits

Author SHA1 Message Date
Thomas Harte
f6f9024631 Corrects Macintosh aspect ratio (and framing). 2019-06-13 18:41:38 -04:00
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
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
9f6956bd87 Awards default values to Scan, to appease GCC 7.3. 2019-02-19 21:40:42 -05:00
Thomas Harte
b35b6b2ba8 Resolves a couple of missing #includes for cassert. 2019-02-18 21:29:39 -05:00
Thomas Harte
77bebd4a65 Accounts for periods near an expected sync after a sync actually occurred. 2019-02-12 22:30:40 -05:00
Thomas Harte
20b4896940 Eliminates the dead stuff of CRTConstants.hpp. 2019-01-25 19:11:39 -05:00
Thomas Harte
5ceb711bd3 Allows amplitude to be specified even for a default colour burst. 2019-01-17 20:47:42 -05:00
Thomas Harte
6c49953115 Returns gamma correction, and corrects Amstrad CPC brightness. 2019-01-14 22:56:08 -05:00
Thomas Harte
5d9521fcb9 Advances back to a semi-complete monochrome composite output.
i.e. composite phase and amplitude is ostensibly flowing to its new destination.
2019-01-11 22:02:15 -05:00
Thomas Harte
906a2ff6eb Switches to using clock times for buffer merging and output. 2019-01-06 18:47:01 -05:00
Thomas Harte
e9d9ff0da0 Enhances ScanTarget to provide additional timing information. 2019-01-05 23:09:17 -05:00
Thomas Harte
a25470ee41 Permits tweaking of PhaseLinkedLuminance8 sampling offset. 2018-11-29 16:29:28 -08:00
Thomas Harte
64465f97b6 Starts towards reintroducing the proper mechanisms for selecting a display type at runtime. 2018-11-28 17:53:33 -08:00
Thomas Harte
a697a2e4f6 Attempts to complete all input processing — an RGB, S-Video or composite input buffer is now produced.
... for all input data types.
2018-11-22 17:20:31 -05:00
Thomas Harte
8f6664f0d7 Starts towards picking an input shader based on data type and pipeline. 2018-11-15 21:02:46 -05:00
Thomas Harte
8a699b6072 Kills setup_output definitively, saving some indirection. set_scan_target takes its place. 2018-11-14 21:52:57 -05:00
Thomas Harte
3dca836571 Ensures no overflow, and adds a couple of consts. 2018-11-14 20:09:57 -05:00
Thomas Harte
02f9cada43 Communicates the colour subcarrier frequency, and uses it to pick a buffer width. 2018-11-13 18:33:44 -05:00
Thomas Harte
2adf3d353e Subtracts retrace periods from output scale. 2018-11-12 20:20:09 -05:00
Thomas Harte
be12d78c83 Corrects vertical event announcement, and adjusts namespaces for OpenGL primitives. 2018-11-11 15:11:32 -05:00
Thomas Harte
6d277fecd5 Makes ScanTarget a little more communicative and orthogonal. 2018-11-10 19:52:57 -05:00
Thomas Harte
55da1e9c0f Simplifies semantics a little and starts accepting a single buffer of pixel data. 2018-11-06 22:23:38 -05:00
Thomas Harte
9799aa0975 Completes documentation and rounds out implementation. 2018-11-04 22:17:33 -05:00
Thomas Harte
1effb97b74 Reintroduces colour phase acquisition from the colour burst. 2018-11-04 21:57:46 -05:00
Thomas Harte
eb28095041 Ensures proper accumulation and reporting of colour phase across lines. 2018-11-04 21:44:22 -05:00
Thomas Harte
014da41471 Ensures scan positions are communicated with a specified range, and switches manner of pixel clock communication. 2018-11-04 21:06:25 -05:00
Thomas Harte
0446e350d3 Resolves sizing of texture coordinates, and improves constness slightly. 2018-11-03 23:51:26 -04:00
Thomas Harte
05fb7db147 Reduces CRT chattiness. 2018-11-03 23:47:41 -04:00
Thomas Harte
f6562de325 Possibly adds enough for the Electron and ZX80 to start outputting dummy lines.
Let's see!
2018-11-03 23:40:39 -04:00
Thomas Harte
b40211d2c0 Starts to bend 'CRTMachine' to a world farther from owning the GPU relationship. 2018-11-03 21:54:25 -04:00
Thomas Harte
da4d883321 Adds first, incomplete attempts to talk to a ScanTarget from the CRT.
Does away with the hassle of `unsigned` while I'm here; that was a schoolboy error.
2018-11-03 19:58:44 -04:00
Thomas Harte
373820f080 Attempts to establish interface to decouple scan output from generation.
Restores some functionality that had dropped out in the interim: diagonal scans, decoupling of scan scaling from timing of the composite subcarrier.
2018-10-30 21:50:35 -04:00
Thomas Harte
4701aa149a Adds first draft of an interface to separate CRT logic from the GPU-side stuff. 2018-10-29 22:08:17 -04:00
Thomas Harte
7c65cfd932 Adds default values for WriteArea. 2018-10-21 21:18:54 -04:00
Thomas Harte
e582b4c8ca Eliminates some dangling references to iCoordinate. 2018-09-13 19:35:15 -04:00
Thomas Harte
a7508bc2ae Switching explicitly to one pixel per sample eliminates the need for a bookender. 2018-09-12 20:11:17 -04:00
Thomas Harte
a38639d099 Eliminates the concept of an iCoordinate.
Real-life precision appears not to support the idea of sub-sample pixel storage.
2018-09-12 20:05:39 -04:00
Thomas Harte
d73d3b4480 Adds a left border to complement the right. 2018-09-09 21:52:48 -04:00
Thomas Harte
6e9cd5cb21 Resolves over-brightness created by over-composition. 2018-09-09 20:30:43 -04:00
Thomas Harte
c73445199c Eliminates a couple of instances of manual memory management. 2018-09-09 20:29:58 -04:00
Thomas Harte
4c8781c762 Increases documentation slightly. 2018-09-09 17:17:38 -04:00
Thomas Harte
3c33ccd730 Eliminates various blank lines. 2018-07-28 10:52:34 -04:00
Thomas Harte
2832792fed Corrects improper use of doubles. 2018-07-16 21:55:19 -04:00
Thomas Harte
efa45b9504 Adds a right gutter to clip persistence errors.
Also uncovers and corrects a long-standing centring error.
2018-07-16 21:52:31 -04:00
Thomas Harte
c9451a5382 Introduces an object for drawing OpenGL rectangles. 2018-07-14 17:42:23 -04:00
Thomas Harte
00cb4d26b3 Corrects typo. 2018-07-11 19:52:55 -04:00
Thomas Harte
c97c5fa03a [Re-]recalibrates CRT retrace period and affected view windows.
In the hope of moving the CPC closer to the real CTM visible area.
2018-07-05 22:07:18 -04:00
Thomas Harte
283ed8dbae Increases permissible error in scanline length. 2018-06-19 22:24:11 -04:00
Thomas Harte
b899a22c7d Hides persistent low-part colour channel errors. 2018-06-14 20:40:27 -04:00