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Author SHA1 Message Date
Raph Levien 0ed759814b Smarter line segment coverage 
Compute tile coverage of segments using optimized algorithm. This
algorithm does a bit of setup, then uses an efficient formula to
compute the span per scan-line.
 2020-05-19 09:26:44 -07:00
Raph Levien fe1790e724 Fix bbox bug 
Bounding boxes were being calculated as way too large in the element
processing.

Also wire up counters so winit binary is happy.
 2020-05-16 21:20:25 -07:00
Raph Levien 9bb06ec340 Correct rendering (on Intel) 
Handle multiple passes in coarse raster. Doesn't work on NV, WIP to
find out why.
 2020-05-16 06:43:31 -07:00
Raph Levien 93044b469b Fix prefix sum 
First, add decoupled lookback.

Second, fix problem with monoid that was overly aggressive in resetting
the bbox.
 2020-05-15 20:09:39 -07:00
Raph Levien 868b0320a4 Render strokes 
As of this point, it mostly renders stroke outlines for tiger. Some
dropouts are because the scan in the elements pass doesn't do lookback
yet, others are probably a bug.
 2020-05-15 17:38:17 -07:00
Raph Levien 1240da3870 Delete old-style kernels and buffers 
Pave the way for the coarse raster pass to write to the ptcl buffer.
 2020-05-15 15:24:37 -07:00
Raph Levien 3a6428238b Start writing tiles 
This is the first checkpoint where it actually runs a pipeline end to
end, though it's far from accurate.
 2020-05-15 14:31:52 -07:00
Raph Levien 06cad48dca Start output stage in coarse pass 
Still very much WIP but it's progress.
 2020-05-14 17:27:18 -07:00
Raph Levien cc89d0e285 Starting coarse rasterizer 
Working down the pipeline.

WIP
 2020-05-13 21:39:47 -07:00
Raph Levien 9a0b17ff5b Use different output strategy for binning 
Iterate over bin bounding box.

Seems to work, and is a dramatic improvement.
 2020-05-12 21:43:29 -07:00
Raph Levien 64daf843b0 Better output allocation in binning 2020-05-12 20:35:40 -07:00
Raph Levien 343e4c3075 Binning stage 
Adds a binning stage. This is a first draft, and a number of loose ends
exist.
 2020-05-12 17:34:15 -07:00
Raph Levien 736f883f66 Store annotated elements 
Apply transform to paths and annotate with computed linewidth and
bounding box information, storing the result.
 2020-05-12 12:13:39 -07:00
Raph Levien 9a8854ffab Experimenting with sort-middle 
Starting a prototype that explores the sort-middle approach. This
commit has a prefix sum pass computing state per element.
 2020-05-12 08:54:09 -07:00
Raph Levien 8d01aba237 Update to piet 0.13 
Get rid of kurbo patch, as we now use kurbo through piet. Also clean up
some warnings.
 2020-05-12 08:26:48 -07:00
msiglreith c1f4f66a8f
Merge pull request #6 from msiglreith/surface 
Swapchain support
 2020-05-05 18:26:11 +02:00
msiglreith abd238bff3 Address review comments 2020-05-05 18:13:07 +02:00
msiglreith e2ed54361d Fix rebase issues and split into library and cli/winit binaries 2020-05-04 17:05:54 +02:00
msiglreith b38e43f0c2 Initial work for surface support 
surface: handle extensions

Implement swapchain creation and blit image to screen
 2020-05-04 16:24:42 +02:00
Raph Levien 4db4b3b87d
Merge pull request #8 from linebender/fill 
Fills
 2020-05-04 06:55:46 -07:00
Raph Levien 1797914ac8 Fix artifacts 
We were overwriting `end` when clipping, then reusing it when reading
the path, for continuity.
 2020-05-02 16:20:04 -07:00
Raph Levien dcdd35e0b8 Implement solid color cmd 
Avoids empty fill segment list, which was a minor bug.

Also increase tolerance to 0.25 to juice performance.
 2020-05-02 10:53:16 -07:00
Raph Levien aa83d782ed Fills 
Adds fills, and has more or less working tiger render (with artifacts).
 2020-05-01 19:42:20 -07:00
Raph Levien 064ee86a45
Merge pull request #7 from linebender/fix_item_ref 
Clear item ref on empty segments
 2020-05-01 19:41:35 -07:00
Raph Levien 9539d8871f Clear item ref on empty segments 2020-05-01 09:13:16 -07:00
Raph Levien 19ecd0a158
Merge pull request #3 from linebender/chunk_segments 
Use linked list strategy for segments
 2020-04-30 21:40:04 -07:00
Raph Levien 1cecde348b
Merge pull request #5 from msiglreith/reelase_build 
Fix release build
 2020-04-30 07:30:42 -07:00
Raph Levien d22c68b609
Merge pull request #4 from linebender/reset_query_pool 
Reset query pool before use
 2020-04-30 07:27:21 -07:00
msiglreith f0c514a667 Fix release build 2020-04-30 15:48:01 +02:00
Raph Levien aa8b71e922 Reset query pool before use 
Quiets validation errors now that we can see them :)
 2020-04-29 18:18:04 -07:00
Brian Merchant 144f46c5fa
Merge pull request #2 from bzm3r/validation-layer 
Set up validation layers and debug reporting.
 2020-04-29 18:03:22 -07:00
Brian Merchant 2e3335f049 Set up validation layers and debug reporting. 2020-04-29 17:59:14 -07:00
Raph Levien b23fe25177 Use linked list strategy for segments 
Trying to allocate them contiguously wasn't good.
 2020-04-28 22:25:57 -07:00
Raph Levien cb06b1bc3d Implement stroked polylines 
This version seems to work but the allocation of segments has low
utilization. Probably best to allocate in chunks rather than try to
make them contiguous.
 2020-04-28 18:45:59 -07:00
Raph Levien 55e35dd879 Dynamic allocation of intermediate buffers 
When the initial allocation is exceeded, do an atomic bump allocation.
This is done for both tilegroup instances and per tile command lists.
 2020-04-25 10:45:47 -07:00
Raph Levien e1c0e448ef Encode stroke in scene 
This just adds the first step of polyline stroking, which is adding it
to the scene. Also just a bit of cleaning up of dimensions into one
header file.
 2020-04-25 08:24:46 -07:00
Raph Levien 7528eaff22 Add piet trait 
Use piet render context to encode into scene buffer.

This is adapted from piet-dx12.
 2020-04-22 12:07:56 -07:00
Brian Merchant 4aaa6f1f29
Add f16 support. 2020-04-21 23:45:24 -07:00
Raph Levien 8d51ccbc74 Add draft kernel 4 
Render from ptcl rather than original scene.
 2020-04-21 19:30:14 -07:00
Raph Levien 6976f877e0 Add first draft of kernel 3 
A fairly simple approach, but it adds the translation (not tested yet
in scene encoding) and does bounding box culling.
 2020-04-21 18:49:50 -07:00
Brian Merchant 818d5b2047
Merge branch 'master' into master 2020-04-21 15:18:51 -07:00
Brian Merchant 3270ee64c2 Add f16 support. 
Handling f16 requires special work, compared to other scalars, as the minimum conversion operation for u32->f16 in GLSL (unpackHalf2x16) loads two f16s from one u32. This means that in order to minimize unnecessary calls to unpackHalf2x16, we should look-ahead to see if the current f16 has already been extracted in the process of dealing with the last f16. Similar considerations exist for write operations, where we want to pack, when possible, two f16s in one go (using packHalf2x16).
 2020-04-21 15:03:06 -07:00
Raph Levien 2ed89dd65e First draft of kernel 1 
Output of kernel 1 is validated by simple inspection, next step is to
wire it up properly.
 2020-04-20 18:07:18 -07:00
Raph Levien 5adb703936 Staging buffers 
Add hal methods to clear and copy buffers, so work happens in device
local buffers.
 2020-04-18 07:46:59 -07:00
Raph Levien 957f710b91 Render random circles 
Poor performance but it renders something.
 2020-04-17 21:18:39 -07:00
Raph Levien 3c35899a2f Render circles 
WIP
 2020-04-17 16:01:37 -07:00
Raph Levien 228bfc88cd Add scene types 
This patch adds a module that contains both scene and ptcl types (very
lightly adapted from piet-metal), as well as infrastructure for encoding
Rust-side.

WIP, it's not wired up in either the shader or on the Rust side.
 2020-04-16 18:19:58 -07:00
Raph Levien 86e52a3f47 Start image rendering 
Populates the piet-gpu subdir, with an extremely simple renderer. The
main program saves the image to a PNG.

Contains a few fixes (I was confused about the need for multiple
bindings, as opposed to multiple descriptors within a binding).
 2020-04-16 14:04:40 -07:00
Raph Levien 5c147b8576 Licenses and README 2020-04-15 08:56:39 -07:00
Raph Levien 6a3f890b58 [derive] Add Rust encoding of structs 
This also requires some traits and structs in an `encode` module (the
one in piet-metal/piet-gpu-types works, and was used to test).
 2020-04-14 20:47:41 -07:00