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d54b937ab6
Commit Graph

1769 Commits

Author SHA1 Message Date
Thomas Harte
d54b937ab6 Starts trying to do actual composite processing. 2020-08-21 21:11:25 -04:00
Thomas Harte
7c23c32e44 Corrects composition colour phase. 2020-08-20 20:45:45 -04:00
Thomas Harte
4e21d24b5f Corrects composition colour amplitude. 2020-08-20 20:34:37 -04:00
Thomas Harte
ad6fb85fda Corrects use of composition buffer. 
Something is still very obviously amiss in colour processing somewhere down the line, but the correct forms are once again visibly in evidence.
 2020-08-20 20:21:28 -04:00
Thomas Harte
5dc39a5d24 Adds the composition render pass. 
Albeit that something here doesn't work at present.
 2020-08-19 21:56:53 -04:00
Thomas Harte
3597f687de Continues sidling towards composite & S-Video handling. 2020-08-19 21:20:06 -04:00
Thomas Harte
8811506adf Starts towards building a compound[/composition?] buffer. 
I now need to discover whether I can use natural integer texture coordinates.
 2020-08-17 22:10:02 -04:00
Thomas Harte
11dec6fc0f Avoids a redundant clear. 2020-08-17 22:09:15 -04:00
Thomas Harte
59c4c8233f Generalises existing scanToDisplay to add lineToDisplay. 2020-08-17 21:15:19 -04:00
Thomas Harte
9da79d2d81 Clarifies scaling logic. 2020-08-17 20:29:46 -04:00
Thomas Harte
27e8a3a1b5 Obeys modals' zoom. 
Subject to an attempt at factoring aspect ratio differences.
 2020-08-16 21:11:43 -04:00
Thomas Harte
745797b596 Introduces a stencil buffer plus the inter-frame clearing it allows. 2020-08-16 16:42:32 -04:00
Thomas Harte
940e9e037e Adds first_scan to LineMetadata. 
Also reorders `Line` fields to match `Scan` fields, just for visual consistency.
 2020-08-16 08:59:37 -04:00
Thomas Harte
512c0079a9 Makes thread safe. 2020-08-15 21:52:55 -04:00
Thomas Harte
645c29f853 Adds an intermediate buffer to correct inter-frame smoothing. 
Also goes someway back to the old scan output scheduling, albeit presently with limited thread safety.
 2020-08-15 21:24:10 -04:00
Thomas Harte
e55945674d Reduces main thread blocking. 2020-08-14 22:16:49 -04:00
Thomas Harte
7ac88536dd Respects machine aspect ratio. 
To an extent. Doesn't currently deal with cropping of machines when the window aspect ratio is smaller.
 2020-08-14 21:24:25 -04:00
Thomas Harte
230b9fc9e6 Permits multiple simultaneous scan reading ranges. 
Also updates the OpenGL scan target as per the latest movements of things.
 2020-08-12 22:08:41 -04:00
Thomas Harte
27ca782cac Enables blending; attempts to enable frame preservation. 
The latter seems to be evidencing a double buffer at play. More investigation required.

On the plus side, the direct route is still well within GPU budget at 4k on my Core M. So a huge improvement there.
 2020-08-12 19:34:07 -04:00
Thomas Harte
a136a00a2f Takes a shot at adding RGB -> S-Video and composite conversion, for all RGB types. 2020-08-11 22:11:50 -04:00
Thomas Harte
4b55df1cb4 Starts upon a macro-oriented means of RGB input function generation. 2020-08-10 22:03:39 -04:00
Thomas Harte
b9309268ba Possibly finally succeeds at moving Accelerate.framework to where it should be. 2020-08-10 21:46:11 -04:00
Thomas Harte
8fa89baf54 Slightly cleans up Xcode project; reenables kiosk-for-Mac builds. 2020-08-10 21:43:32 -04:00
Thomas Harte
8374a5e579 Adds superficially correct compositeSampleLuminance8Phase8 function. 
Thereby uncovering a minor error in my decoding of colour phase.
 2020-08-10 21:33:59 -04:00
Thomas Harte
525233e10b Ensures all input data types are parseable in Metal. 
Though now I need to think a bit more about the best way to compose signal-type conversions, and whether output-type calculations (i.e. gamma, brightness) are applied.
 2020-08-10 19:47:47 -04:00
Thomas Harte
eadda6a967 Further strips OpenGL from the macOS target. 2020-08-09 22:17:27 -04:00
Thomas Harte
3d6590af89 Throws out a little more OpenGL. 2020-08-09 22:11:31 -04:00
Thomas Harte
28d933d5d6 Does just enough to get 8-bit RGB and 1-bit luminance machines to display. 
Assuming an 'RGB' output.
 2020-08-09 21:19:07 -04:00
Thomas Harte
a118594c8b Hacks to make RGB1 visible (in a fashion). 2020-08-09 20:45:51 -04:00
Thomas Harte
93c6105442 Corrects calculation of dirty texture area. 2020-08-09 20:45:14 -04:00
Thomas Harte
57fecdc09e Ties everything together in an attempt to display RGB scans. 
I'm actually just getting a mess of pixels, but it's something!
 2020-08-09 18:41:15 -04:00
Thomas Harte
cd491bb6e0 Cleans up project file; macOS 10.13 is definitely the deployment target. 2020-08-09 18:27:57 -04:00
Thomas Harte
f16ad8f71d Takes a shot at submitting texture changes. 2020-08-09 17:59:52 -04:00
Thomas Harte
e340685a99 Seemingly proves that proper geometry is reaching Metal by drawing scans. 
No in-buffer accumulation yet, but this is progress. If I can add accumulation and stencil clearing, I'm not doing badly.
 2020-08-08 23:11:44 -04:00
Thomas Harte
df89a8771c Makes an attempt to have the emulator fill the actual GPU buffers. 
Not that they're drawn from correctly yet. I might first take a run at a new quick-path output route for emulated RGB displays, that just seeks to use the scans directly. No intermediate buffers. Besides probably being a good feature, it'll be a good way to ramp further up with Metal.
 2020-08-08 22:49:02 -04:00
Thomas Harte
bdcf266e45 Having learnt a bit more: eliminates Metal attribute tags, switches to more natural expression of structs. 
Also thereby eliminates the need for a forced alignas(4) on various structs.
 2020-08-08 17:27:32 -04:00
Thomas Harte
edf41b06fd Eliminates the quad buffer. 
Vertices can be adduced from vertex ID.
 2020-08-08 17:12:49 -04:00
Thomas Harte
38960a08d6 Adds adjustment for display aspect ratio. 
While also realising that I appear to be getting away without an MTLVertexDescriptor for Scans. Maybe OpenGL has prejudiced me, and they're actually optional for interleaved data?
 2020-08-07 22:29:24 -04:00
Thomas Harte
fbda7aab23 Does just enough to get the correct (aspect ratio aside) output of scan outlines. 
So, up next, can I start streaming these things?
 2020-08-07 22:20:01 -04:00
Thomas Harte
c575aa0640 Adds a buffer for scans, and posts two test instances. 2020-08-07 22:03:54 -04:00
Thomas Harte
bb55ecc101 Disables --volume for kiosk mode testing. 2020-08-07 21:19:53 -04:00
Thomas Harte
4421acef34 Gets some uniforms in on the action. 
With some effort towards scans, but incompletely so.
 2020-08-07 21:19:17 -04:00
Thomas Harte
219923bd63 Reduces vertex size, draws a quad. 2020-08-05 21:33:25 -04:00
Thomas Harte
7551782a25 Switches to interleaved vertex data. 
This more closely relates to what I actually want to do.
 2020-08-05 17:27:43 -04:00
Thomas Harte
eff24a8726 My first baby steps in Metal continue; here's a triangle. 2020-08-04 21:49:01 -04:00
Thomas Harte
72df6e52cd This is possibly at least dispatching an empty command buffer correctly. 2020-08-04 19:44:56 -04:00
Thomas Harte
e235a45abb Breaks all output. 
... by switching out NSOpenGLView for MKLView with no drawing infrastructure yet in place.
 2020-08-04 18:22:14 -04:00
Thomas Harte
b14bedbe29
Merge pull request #817 from TomHarte/LockFreeQueue 
Fully splits buffering from drawing for the existing OpenGL scan target.
 2020-07-30 21:42:20 -04:00
Thomas Harte
3db4a8c312 Attempts to improve vsync deadline estimation. 
Also increases probability of bad estimation being discarded.
 2020-07-27 21:08:00 -04:00
Thomas Harte
db8e1b0edf Adds feedback on unidentified ROMs. 2020-07-27 20:45:47 -04:00