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Desktop: Fix missing resize events causing all-gray window on Mac after launch (#3445)

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* okayish solution

should be improved at some point but for now it works well enough.

* do leftover renames

* better solution

* less weird resize frames

* move surface reconfiguration

* fix recent desktop mac breakages

* better looking resize on mac

* fix background color

* Fix blank screen on window initialization

* cleanup

---------

Co-authored-by: Keavon Chambers <keavon@keavon.com>
This commit is contained in:
Timon
2025-12-06 23:11:47 +00:00
committed by GitHub
co-authored by Keavon Chambers
parent 5b472a64b2
commit 2e4481880e
11 changed files with 129 additions and 66 deletions
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desktop/src/render/composite_shader.wgsl
+16 -4
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@@ -23,6 +23,8 @@ fn vs_main(@builtin(vertex_index) vertex_index: u32) -> VertexOutput {
struct Constants {
viewport_scale: vec2<f32>,
viewport_offset: vec2<f32>,
ui_scale: vec2<f32>,
background_color: vec4<f32>,
};
var<push_constant> constants: Constants;
@@ -38,19 +40,29 @@ var s_diffuse: sampler;
@fragment
fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {
let ui_linear = srgb_to_linear(textureSample(t_ui, s_diffuse, in.tex_coords));
let ui_coordinate = in.tex_coords * constants.ui_scale;
if (ui_coordinate.x < 0.0 || ui_coordinate.x > 1.0 ||
ui_coordinate.y < 0.0 || ui_coordinate.y > 1.0) {
return srgb_to_linear(constants.background_color);
}
let ui_linear = srgb_to_linear(textureSample(t_ui, s_diffuse, ui_coordinate));
if (ui_linear.a >= 0.999) {
return ui_linear;
}
// UI texture is premultiplied, we need to unpremultiply before blending
let ui_srgb = linear_to_srgb(unpremultiply(ui_linear));
let viewport_coordinate = (in.tex_coords - constants.viewport_offset) * constants.viewport_scale;
if (viewport_coordinate.x < 0.0 || viewport_coordinate.x > 1.0 ||
viewport_coordinate.y < 0.0 || viewport_coordinate.y > 1.0) {
return srgb_to_linear(constants.background_color);
}
let overlay_srgb = textureSample(t_overlays, s_diffuse, viewport_coordinate);
let viewport_srgb = textureSample(t_viewport, s_diffuse, viewport_coordinate);
// UI texture is premultiplied, we need to unpremultiply before blending
let ui_srgb = linear_to_srgb(unpremultiply(ui_linear));
if (overlay_srgb.a < 0.001) {
if (ui_srgb.a < 0.001) {
return srgb_to_linear(viewport_srgb);