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12 commits

Author SHA1 Message Date
Chad Brokaw ced6309a3b support two point radial with r0 > 0.0 2023-05-06 03:27:53 -04:00
Chad Brokaw 15cd306af6 Extend modes for gradients 
This patch implements the pad, repeat and reflect extend modes for gradient brushes. Adds a new example demonstrating the functionality.

Also fixes a few bugs:
* Clamps alpha in blend.wgsl for the `blend_compose` function. The `Plus` mode was generating `alpha > 1.0` leading to incorrect rendering.
* Small change to radial gradients in fine.wgsl to reject pixels outside the cone when the circles don't nest. This requires further work to properly extend the cone when one of the radii is not 0.
 2023-04-30 23:11:57 -04:00
Chad Brokaw a8585781cd move atlas rect to info 
Atlas offset and image size were originally stored in the ptcl but are not tile dependent. Moving these to info saves 8 bytes per image tile.
 2023-03-10 01:42:50 -05:00
Chad Brokaw 165b3a083b Let's add images 2023-03-09 17:18:03 -05:00
Chad Brokaw 15efb8b3f6 fixes after rebase 
* remove SceneBuilder::finish() calls
* remove old Config struct
* comment about syncing structs in config.wgsl
 2023-03-03 20:46:50 -05:00
Arman Uguray 3bbf108df5 Renamed clear_color to base_color; addressed review comments 2023-03-02 14:29:44 -08:00
Arman Uguray 8eabc12a72 Add a clear_color uniform 
Introduced an RGBA8 config parameter to apply as a base blend color in
the fine stage of the full pipeline.
 2023-03-02 09:26:31 -08:00
Chad Brokaw 0c0c61dc82 Address review feedback 
* Add counts to offsets when comparing against buffer size limits
* Remove multiplication by 4 in blend buffer allocation (we use units of u32)
* Move buffer sizes from BumpAllocators to Config
* Add comments about early exit
 2023-01-18 21:36:32 -05:00
Chad Brokaw f0587b6770 add comment about syncing BumpAllocators struct 2023-01-17 22:51:46 -05:00
Chad Brokaw 1e8d194b6a initial GPU side work for robust memory 
This should handle everything on the GPU side except for blend stack loading/storing in fine.
 2023-01-17 14:08:20 -05:00
Duane Johnson 3e8a4813f0
Update references to piet-gpu where it makes sense (#240) 2023-01-08 16:15:51 +00:00
Daniel McNab ff59839737
Move the vello crate to the workspace root (#231) 
* Move the vello crate to the root of the crate

* Add warning that README is work in progress

* Add newline in warning

* Move the unlicense into the shader folder

* Fixup wgsl-analyzer include paths
 2023-01-05 09:32:09 +00:00