c2a37f4bd8
* basic working wgpu @ webgl on websys * fix glow compile error * introduced WebPainter trait, provide wgpu renderstate * WebPainterWgpu destroy implemented * make custom3d demo work on wgpu backend * changelog entry for wgpu support eframe wasm * remove temporary logging hack * stop using pollster for web we're actually not allowed to block - this only worked because wgpu on webgl doesn't actually cause anything blocking. However, when trying webgpu this became an issue * revert cargo update * compile error if neither glow nor wgpu features are enabled * code cleanup * Error handling * Update changelog with link * Make sure --all-features work * Select best framebuffer format from the available ones * update to wasm-bindgen 0.2.83 * Fix typo * Clean up Cargo.toml * Log about using the wgpu painter * fixup wgpu labels * fix custom3d_wgpu_shader ub padding * remove duplicated uniforms struct in wgsl shader for custom3d * Update docs: add async/await to the web 'start' function Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
30 lines
959 B
Rust
30 lines
959 B
Rust
use egui::Rgba;
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use wasm_bindgen::JsValue;
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/// Renderer for a browser canvas.
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/// As of writing we're not allowing to decide on the painter at runtime,
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/// therefore this trait is merely there for specifying and documenting the interface.
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pub(crate) trait WebPainter {
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// Create a new web painter targeting a given canvas.
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// fn new(canvas_id: &str, options: &WebOptions) -> Result<Self, String>
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// where
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// Self: Sized;
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/// Id of the canvas in use.
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fn canvas_id(&self) -> &str;
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/// Maximum size of a texture in one direction.
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fn max_texture_side(&self) -> usize;
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/// Update all internal textures and paint gui.
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fn paint_and_update_textures(
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&mut self,
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clear_color: Rgba,
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clipped_primitives: &[egui::ClippedPrimitive],
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pixels_per_point: f32,
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textures_delta: &egui::TexturesDelta,
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) -> Result<(), JsValue>;
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/// Destroy all resources.
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fn destroy(&mut self);
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}
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