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Clear color values are now explicitely sent to the rendering backend as-is. (#2666)

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* Clear color values are not explicitely sent to the rendering backend as-is.
Previously, converting from Color32 to Rgba caused an srgb->linear conversion. This conversion is incorrect if the backbuffer doesn't perform automatic conversion from linear->srgb (lack of this conversion is generally what egui assumes!).

* fill in pr numbers in changelog

* Epi comment fix

Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>

* Color32 comment fix

Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>

* move changelog line

* rename fix

* use backticks in doc

---------

Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
This commit is contained in:
Andreas Reich
2023-02-04 11:02:15 +01:00
committed by GitHub
parent a6b60d5d58
commit 8aa07e9d43
10 changed files with 52 additions and 42 deletions
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3
crates/eframe/src/web/web_painter.rs
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@@ -1,4 +1,3 @@
use egui::Rgba;
use wasm_bindgen::JsValue;
/// Renderer for a browser canvas.
@@ -19,7 +18,7 @@ pub(crate) trait WebPainter {
/// Update all internal textures and paint gui.
fn paint_and_update_textures(
&mut self,
clear_color: Rgba,
clear_color: [f32; 4],
clipped_primitives: &[egui::ClippedPrimitive],
pixels_per_point: f32,
textures_delta: &egui::TexturesDelta,