Move to piet-wgsl for rendering #12
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Removes the piet-gpu and piet-gpu-hal dependencies and updates the rendering code to use piet-wgsl.
DJMcNab
approved these changes
Nov 26, 2022
| ) | ||
| .unwrap(), | ||
| ); | ||
| self.surface = Some(self.render_cx.create_surface(handle, width, height)); |
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create_surface laundering the unsafety of RawWindowHandle isn't ideal.
Really the ecosystem needs to get their act together and find a safe way to access swapchains from wgpu.
I don't really want to block on it, because afaik the safety comment on literally every call to instance.create_surface is along the lines of "hope this works :)"
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Yeah, I suppose the assumption is that if you're sound on both ends of RawWindowHandle then you're good. Otherwise, there be dragons. Still, it's a pretty nifty solution to this problem that avoids the need to bless a particular windowing library or marshal these types around yourself.
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I think the issue is that the current raw-window-handle doesn't guarantee that the window will be sound to create a swapchain for, whilst wgpu assumes it is.
I don't know when this breaks down, but that's the real concern. It's not just about soundness on each side, it's about the windows having the expected capabilities.
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Relevant wgpu issue: gfx-rs/wgpu#1463
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New tracy image:  New log tracing file: <details><summary>An overview of the new logs</summary> <p> ``` 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}: masonry::passes::update: RootWidget received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}: masonry::passes::update: Flex received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Flex{id=#8}: masonry::passes::update: Flex received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Flex{id=#8}:SizedBox{id=#7}: masonry::passes::update: SizedBox received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Flex{id=#8}:SizedBox{id=#7}:Flex{id=#6}: masonry::passes::update: Flex received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Flex{id=#8}:SizedBox{id=#7}:Flex{id=#6}:Flex{id=#3}: masonry::passes::update: Flex received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Flex{id=#8}:SizedBox{id=#7}:Flex{id=#6}:Flex{id=#3}:Prose{id=#1}: masonry::passes::update: Prose received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Flex{id=#8}:SizedBox{id=#7}:Flex{id=#6}:Flex{id=#3}:Label{id=#2}: masonry::passes::update: Label received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Flex{id=#8}:SizedBox{id=#7}:Flex{id=#6}:Flex{id=#5}: masonry::passes::update: Flex received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Flex{id=#8}:SizedBox{id=#7}:Flex{id=#6}:Flex{id=#5}:VariableLabel{id=#4}: masonry::passes::update: VariableLabel received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Flex{id=#17}: masonry::passes::update: Flex received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Flex{id=#17}:Button{id=#10}: masonry::passes::update: Button received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Flex{id=#17}:Button{id=#10}:Label{id=#9}: masonry::passes::update: Label received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Flex{id=#17}:Button{id=#12}: masonry::passes::update: Button received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Flex{id=#17}:Button{id=#12}:Label{id=#11}: masonry::passes::update: Label received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Flex{id=#17}:Button{id=#14}: masonry::passes::update: Button received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Flex{id=#17}:Button{id=#14}:Label{id=#13}: masonry::passes::update: Label received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Flex{id=#17}:Button{id=#16}: masonry::passes::update: Button received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Flex{id=#17}:Button{id=#16}:Label{id=#15}: masonry::passes::update: Label received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Portal{id=#163}: masonry::passes::update: Portal received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Portal{id=#163}:Flex{id=#160}: masonry::passes::update: Flex received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Portal{id=#163}:Flex{id=#160}:SizedBox{id=#24}: masonry::passes::update: SizedBox received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Portal{id=#163}:Flex{id=#160}:SizedBox{id=#24}:Flex{id=#23}: masonry::passes::update: Flex received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Portal{id=#163}:Flex{id=#160}:SizedBox{id=#24}:Flex{id=#23}:Flex{id=#20}: masonry::passes::update: Flex received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Portal{id=#163}:Flex{id=#160}:SizedBox{id=#24}:Flex{id=#23}:Flex{id=#20}:Prose{id=#18}: masonry::passes::update: Prose received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Portal{id=#163}:Flex{id=#160}:SizedBox{id=#24}:Flex{id=#23}:Flex{id=#20}:Label{id=#19}: masonry::passes::update: Label received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Portal{id=#163}:Flex{id=#160}:SizedBox{id=#24}:Flex{id=#23}:Flex{id=#22}: masonry::passes::update: Flex received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Portal{id=#163}:Flex{id=#160}:SizedBox{id=#24}:Flex{id=#23}:Flex{id=#22}:VariableLabel{id=#21}: masonry::passes::update: VariableLabel received Update::WidgetAdded 14:37:40.365Z TRACE update_new_widgets:RootWidget{id=#165}:Flex{id=#164}:Portal{id=#163}:Flex{id=#160}:SizedBox{id=#31}: masonry::passes::update: SizedBox received Update::WidgetAdded ``` </p> </details> This was originally an experiment into caching spans, but I determined that was non-viable due to the pass names.
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Removes the piet-gpu and piet-gpu-hal dependencies and updates the rendering code to use piet-wgsl.