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4,800 Commits 8 Branches 121 Tags 496 MiB
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Commit Graph

152 Commits

Author SHA1 Message Date
Thomas Harte
caf72afcb4 Switches to a seven-point scheme, to determine whether falsely-shared luminance is at fault. 
It doesn't seem to be, alas.
 2019-01-31 21:19:30 -05:00
Thomas Harte
687e0b376e Enhances error checking around setting of uniforms. 2019-01-31 21:17:49 -05:00
Thomas Harte
122857e5b5 Improves automatic index generation, to allow for matrices implicitly taking up to four slots. 2019-01-31 18:49:01 -05:00
Thomas Harte
5002290428 Makes consistent use of textureLod rather than texture. 2019-01-26 22:05:15 -05:00
Thomas Harte
d09ac3384f Eliminates some old-school manual memory management. 
In favour of additional copying, but I still think this is safer.
 2019-01-25 22:54:23 -05:00
Thomas Harte
b6a4a7e0a5 This is no longer TODO. 2019-01-25 22:47:15 -05:00
Thomas Harte
c87994336c Switches the Shader class to using LOG. 2019-01-25 22:45:47 -05:00
Thomas Harte
85ad490089 Offers a less error-prone route to attribute binding. 2019-01-25 21:56:55 -05:00
Thomas Harte
68d6feaa03 Adds missing includes and gets more explicit about exceptions. 2019-01-25 20:19:50 -05:00
Thomas Harte
74e1a9a621 Declines improper use of offset within loops and adds missing header. 2019-01-25 20:14:53 -05:00
Thomas Harte
6a43fc5df0 Resolves a GCC-troubling circular declaration issue vs. atomic.h. 2019-01-25 19:30:39 -05:00
Thomas Harte
312f38906b Corrects two improper include paths. 2019-01-25 19:19:23 -05:00
Thomas Harte
6a93d2d006 Corrects some minor spaces-instead-of-tabs errors. 2019-01-24 22:59:03 -05:00
Thomas Harte
ae0bc7e7aa Calculates sampling offsets up front. 2019-01-23 20:53:10 -05:00
Thomas Harte
a8acadbe13 Gives the shader builders freer rein over what to use as inputs, and turns angles into a varying. 
All dropping out during the never-ending diagnosis at play here.
 2019-01-22 22:20:12 -05:00
Thomas Harte
727f2e2ba0 Updates to the ScanTarget world. 2019-01-17 22:28:02 -05:00
Thomas Harte
a6683cb9b8 Avoids scaling luminance prior to extracting chrominance. 2019-01-17 20:52:33 -05:00
Thomas Harte
d593796dae Reintroduces less-filtered black and white video where there's no colour burst. 2019-01-16 22:22:29 -05:00
Thomas Harte
ef0dbc2a41 Undoes hard-coding of target framebuffer and display gamma. 2019-01-15 21:33:30 -05:00
Thomas Harte
6c49953115 Returns gamma correction, and corrects Amstrad CPC brightness. 2019-01-14 22:56:08 -05:00
Thomas Harte
55290f4dad Attempts a fix of frame_was_complete_ logic, to try to eliminate black flashes. 2019-01-14 21:42:45 -05:00
Thomas Harte
bb03d2f2ad Removes redundant enumeration. 2019-01-13 23:07:50 -05:00
Thomas Harte
7aec5be61a Cleans up and simplifies shader creation. 2019-01-13 22:49:01 -05:00
Thomas Harte
e89e55a9bb Attempts to factor actual composite amplitude into output. 2019-01-13 14:45:17 -05:00
Thomas Harte
7c2c243985 Corrects sample spacing, and removes a lot of detritus. 2019-01-12 18:36:54 -05:00
Thomas Harte
25a1f23fc0 Takes a first shot at re[re,re]-implementing composite colour decoding. 2019-01-12 17:59:24 -05:00
Thomas Harte
27541196cc Corrects Luminance8Phase8 and PhaseLinkedLuminance8 composite encodings. 2019-01-11 22:46:50 -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
028e530232 Shunts output shader to its proper place. 2019-01-06 22:59:14 -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
c392c819c1 Switches to using the announce is_visible flag to spot line ends. 2019-01-06 13:37:34 -05:00
Thomas Harte
e9d9ff0da0 Enhances ScanTarget to provide additional timing information. 2019-01-05 23:09:17 -05:00
Thomas Harte
46d756d298 Starts towards a flattening of the intermediate video processing. 
Immediate issue: using x position to index into a bitmap sampled at the input data rate doesn't allow for the disconnection between input rate and output speed provided by the flywheels.
 2019-01-05 18:11:39 -05:00
Thomas Harte
fd0ffc7085 Attempts an initial flattening of the pipeline, seemingly losing all output. 2019-01-01 21:02:21 -05:00
Thomas Harte
557a2a0ddf Moves pipeline setup into draw(), where there'll definitely be an OpenGL context. 2018-11-29 19:41:54 -08:00
Thomas Harte
6be46ae921 Mostly restores Atari 2600 output. PAL colours need work. 2018-11-29 18:26:05 -08:00
Thomas Harte
a25470ee41 Permits tweaking of PhaseLinkedLuminance8 sampling offset. 2018-11-29 16:29:28 -08:00
Thomas Harte
fd579a019b Introduces a new scan source data type, motivated by the reasoning used by the Oric. 
Specifically: it'll allow PCM sampling of the potentially arbitrary composite generation logic of various machines.
 2018-11-28 20:40:22 -08:00
Thomas Harte
d45c2a1f28 Settles, at least for now, on 15-tap notch filtering. 2018-11-26 22:34:31 -05:00
Thomas Harte
f3174069fa Attempts a linear comb filter for YC separation, plus post-separation Y filtering. 2018-11-25 21:54:12 -05:00
Thomas Harte
cd1e796093 Attempts to add clearing of the destination framebuffer too. 2018-11-24 23:31:56 -05:00
Thomas Harte
dd4af4f0df Removes dead files. 2018-11-24 22:40:06 -05:00
Thomas Harte
76656fab23 Applies harsher filtering. 2018-11-24 22:39:53 -05:00
Thomas Harte
cf49603a9e Makes first reintroduction of colour composite decoding. 2018-11-24 22:30:39 -05:00
Thomas Harte
6c92853461 Corrects monochrome composite generation. 2018-11-24 21:55:15 -05:00
Thomas Harte
6a62cf9146 Corrects shader generation for S-Video input to S-Video output. 2018-11-24 21:40:34 -05:00
Thomas Harte
4fa6bc0ad1 Corrects S-Video decoding for most machines. 
Ironically, that being those other than luminance/chrominance input machines. Further investigation required.
 2018-11-24 21:30:09 -05:00
Thomas Harte
95685749ad Attempts fully to implement the S-Video pipeline, without success. 2018-11-24 18:51:07 -05:00
Thomas Harte
d7c0f0c804 Switches to an ordinary sampler for scan processing. 2018-11-24 18:03:44 -05:00
Thomas Harte
6b42b92930 Kills CRTOpenGL.cpp and simplifies shader output very slightly. 2018-11-24 17:37:58 -05:00
Thomas Harte
538c57664f Establishes attribute bindings to allow multiple shaders to use the same vertex array. 2018-11-24 16:06:26 -05:00
Thomas Harte
a66a20f7fe Manages to get a brilliant white out of the new pipeline. 2018-11-23 22:54:52 -05:00
Thomas Harte
d4ac79b0af Attempts to introduce a full-on processing pipeline, in theory putting me two shaders away from completion. 
Well, subject to finding the last flashing bug and updating the multimachine, anyway.
 2018-11-23 22:34:38 -05:00
Thomas Harte
a5a3769a0f Reaches for conceptual const correctness. 2018-11-23 22:33:28 -05:00
Thomas Harte
ee89be6730 Removes many stray spaces. 2018-11-23 22:32:32 -05:00
Thomas Harte
b9aca39eb0 Reintroduces Vic-20 output. 
Resolving errors in shader generation while I'm here.
 2018-11-22 22:43:42 -05:00
Thomas Harte
c0454ff101 Corrects chrominance scale. 2018-11-22 18:18:16 -05:00
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
396cf72029 Renames OutputType as DisplayType and promotes it to a scan target modal. 2018-11-22 14:36:46 -05:00
Thomas Harte
bfe9704829 Reintroduces respect of each machine's nominated visible area. 2018-11-22 13:22:04 -05:00
Thomas Harte
43ee540233 Avoids race condition on .is_first_in_frame 2018-11-21 18:27:04 -05:00
Thomas Harte
38ffc4fdb3 Invalidates the stencil buffer upon buffer resizes. 2018-11-20 19:51:11 -05:00
Thomas Harte
a70991d50e Eliminates minor gap. 2018-11-19 23:35:12 -05:00
Thomas Harte
4c00456166 Makes first attempt to draw only new lines. 2018-11-19 23:25:26 -05:00
Thomas Harte
26219213d7 Marginally increases scan size. 2018-11-18 23:03:56 -05:00
Thomas Harte
97c5ee6c0a Corrects stencil buffer creation, and edges towards using it for [guaranteed] full-screen decay. 2018-11-18 22:22:43 -05:00
Thomas Harte
75bc0e451d Reintroduces the accumulation texture. 
Disables automatic clearing of the texture target, as the profiler indicates the vector instantiation to be a huge time sink.
 2018-11-18 21:39:11 -05:00
Thomas Harte
6496b6313c Attempts to fix random stray noise lines. 2018-11-17 23:27:25 -05:00
Thomas Harte
8f05560dd7 Corrects right-edge bookending. 2018-11-17 17:46:57 -05:00
Thomas Harte
06c0c64c1a Shifts intermediate buffer sampling into the middle of each pixel row. 2018-11-17 17:31:32 -05:00
Thomas Harte
c173777d12 Extends TextureTarget so that targets can be created with a one-bit stencil. 2018-11-17 15:51:12 -05:00
Thomas Harte
16dfeb3fc8 Discards empty lines, yet makes some attempt at restoring transparency. 
The two things conflict more than a little, so work to do.
 2018-11-15 21:51:27 -05:00
Thomas Harte
5a31891048 Returns Amstrad CPC output. 
Which is probably it until I get some more composite processing back in.
 2018-11-15 21:32:22 -05:00
Thomas Harte
8b37496447 Restores video output to the Master System. 2018-11-15 21:21:54 -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
87df8b9e85 Makes an attempt at pre-emptive line buffer clearing. 2018-11-14 21:19:14 -05:00
Thomas Harte
91b19c5c70 Adds bookending, and finally kills the TextureBuilder. Farewell. 2018-11-14 20:49:06 -05:00
Thomas Harte
0487580a1a Corrects initial state of is_drawing_ and expands lines to full display. 2018-11-14 20:10:38 -05:00
Thomas Harte
6ba02c44d0 Better binds buffer sizes. 2018-11-13 23:08:51 -05:00
Thomas Harte
bf3ab4e260 Proceeds as drawing to the unprocessed line buffer and drawing from it. 
Very, very slowly, and without yet clearing.
 2018-11-13 21:15:33 -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
654a19ea15 Switches back to working on the scan shaders. 
Pixels from the emulated machine are now starting to appear.
 2018-11-12 22:52:26 -05:00
Thomas Harte
ecb5504bd1 Switches enable_vertex_attribute_with_pointer to silent failure (versus glGetError). 2018-11-12 22:51:44 -05:00
Thomas Harte
3045e85004 Ensures redraws when resizing; declines to busy wait otherwise. 2018-11-12 20:15:38 -05:00
Thomas Harte
e9d1afd515 Appears to demonstrates that the line buffer is approximately working. 2018-11-12 19:10:48 -05:00
Thomas Harte
833ab7945b Slow steps towards switching to line output. 2018-11-12 18:56:54 -05:00
Thomas Harte
0af1d668a6 Takes a first step towards generality, and thereby starts submitting lines. 2018-11-12 18:47:55 -05:00
Thomas Harte
0ac62e3805 Flips and properly sizes output scans. 2018-11-12 18:28:09 -05:00
Thomas Harte
938d09f34a Corrects scan outline generation. 2018-11-12 18:23:45 -05:00
Thomas Harte
dce52d740d Finally gets some pixels back on screen. 
For now, just the raw scans, direct to the framebuffer, with no intermediate processing. But it seems to prove that at least some of the proper data is reaching the GPU.
 2018-11-11 23:23:42 -05:00
Thomas Harte
3ae333fa84 Edges further towards reviving the shaders. 2018-11-11 21:41:13 -05:00
Thomas Harte
d5af1f3948 Removes some migrated work. 2018-11-11 16:22:14 -05:00
Thomas Harte
0ba3ae53ab Connects up the necessary recording to use intermediate composite buffers. 2018-11-11 15:20:18 -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
b70227ac1b Ensures proper write area locations end up in the scans. 2018-11-10 21:10:33 -05:00
Thomas Harte
6d277fecd5 Makes ScanTarget a little more communicative and orthogonal. 2018-11-10 19:52:57 -05:00
Thomas Harte
491817d85c Corrects allocation error and begins submitting raw textures. 2018-11-08 23:02:36 -05:00
Thomas Harte
20faf4e477 Adds submission of scans to the GPU. 2018-11-08 22:21:11 -05:00
Thomas Harte
4fe5c7c24e Conspires to handle multithreading side of things in a lockless fashion. 
At least on x86-64.
 2018-11-08 21:57:28 -05:00
Thomas Harte
36bf640c6f Acts as if it is going to submit scans, at least. 2018-11-07 22:53:46 -05:00