thorvg Support WebGPU raster backend

Example working condition:

[x] Shape
[x] MultiShapes
[x] Scene
[x] Path
[x] PathCopy
[x] LinearGradient
[x] RadialGradient
[x] PictureJpg
[x] PicturePng
[x] PictureWebp
[x] PictureRaw
[x] Arc
[x] Opacity
[x] Stroke
[x] StrokeLine
[x] Texmap
[x] GradientStroke
[x] Blending
[x] Transforms
[x] ImageScaleDown
[x] ImageScaleUp
[x] Masking
[x] InvMasking
[x] LumaMasking
[x] InvLumaMasking
[x] SceneBlending
[x] Accessor
[x] CustomTransform
[x] Animation
[x] Update
[x] SceneTransform
[x] DataLoad
[x] DirectUpdate
[x] Retaining
[x] StrokeMiterLimit
[x] Text
[x] Performance
[x] AnimateMasking
[x] FillRule
[x] GradientTransform
[x] GradientMasking
[x] ClipPath
[x] MaskingMethods
[x] Duplicate
[x] Svg
[x] Tvg
[x] PictureTvg
[x] PictureSvg
[x] LottieExtensions
[ ] Lottie
[ ] MultiCanvas
[ ] SceneClipper //Unstable feature. Not important

Jun 03 '23 06:06 hermet

https://github.com/thorvg/thorvg/pull/1693

Oct 10 '23 02:10 hermet

https://github.com/thorvg/thorvg/wiki/24'-Development-Roadmap

Feb 02 '24 06:02 hermet

It would be nice if we could get webgpu support considering also the possibility of using native webgpu backends (like Dawn or wgpu-native). This way we could get native rendering on opengl, vulkan, metal, direct3d, web with only a single backend implementation