Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Fix quad shadows #2354

Merged
merged 2 commits into from
Mar 27, 2024
Merged

Fix quad shadows #2354

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
8c401be
Update solid.wgsl
Koranir Mar 26, 2024
39f57a2
Make tiny-skia equivalent
Koranir Mar 26, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion tiny_skia/src/backend.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -233,7 +233,8 @@ impl Backend {
),
size,
&radii,
);
)
.max(0.0);
let shadow_alpha = 1.0
- smoothstep(
-shadow.blur_radius * scale_factor,
Expand Down
12 changes: 9 additions & 3 deletions wgpu/src/shader/quad/solid.wgsl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -107,13 +107,19 @@ fn solid_fs_main(
let quad_color = vec4<f32>(mixed_color.x, mixed_color.y, mixed_color.z, mixed_color.w * radius_alpha);

if input.shadow_color.a > 0.0 {
let shadow_distance = rounded_box_sdf(input.position.xy - input.pos - input.shadow_offset - (input.scale / 2.0), input.scale / 2.0, border_radius);
let shadow_radius = select_border_radius(
input.border_radius,
input.position.xy - input.shadow_offset,
(input.pos + input.scale * 0.5).xy
);
let shadow_distance = max(rounded_box_sdf(input.position.xy - input.pos - input.shadow_offset - (input.scale / 2.0), input.scale / 2.0, shadow_radius), 0.);

let shadow_alpha = 1.0 - smoothstep(-input.shadow_blur_radius, input.shadow_blur_radius, shadow_distance);
let shadow_color = input.shadow_color;
let base_color = select(
let base_color = mix(
vec4<f32>(shadow_color.x, shadow_color.y, shadow_color.z, 0.0),
quad_color,
quad_color.a > 0.0
quad_color.a
);

return mix(base_color, shadow_color, (1.0 - radius_alpha) * shadow_alpha);
Expand Down
Loading