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script: Remove three duplicated log functions from webgl (#39227)

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We have the standard library at our disposal, let's use it.

Testing: Covered by existing tests

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>
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Simon Wülker 2025-09-09 13:31:55 +02:00 • committed by GitHub
parent 7a28fd786c
commit 406eab4ec2
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GPG key ID: B5690EEEBB952194
3 changed files with 6 additions and 18 deletions
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10
components/script/dom/webgl/webglframebuffer.rs
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@ -37,10 +37,6 @@ pub(crate) enum CompleteForRendering {
MissingColorAttachment,
}
fn log2(n: u32) -> u32 {
31 - n.leading_zeros()
}
#[cfg_attr(crown, crown::unrooted_must_root_lint::must_root)]
#[derive(Clone, JSTraceable, MallocSizeOf)]
enum WebGLFramebufferAttachment {
@ -786,7 +782,7 @@ impl WebGLFramebuffer {
} else {
context.limits().max_tex_size
};
if level < 0 || level as u32 > log2(max_tex_size) {
if level < 0 || level as u32 > max_tex_size.ilog2() {
return Err(WebGLError::InvalidValue);
}
}
@ -856,11 +852,11 @@ impl WebGLFramebuffer {
Some(texture) => {
let (max_level, max_layer) = match texture.target() {
Some(constants::TEXTURE_3D) => (
log2(context.limits().max_3d_texture_size),
context.limits().max_3d_texture_size.ilog2(),
context.limits().max_3d_texture_size - 1,
),
Some(constants::TEXTURE_2D) => (
log2(context.limits().max_tex_size),
context.limits().max_tex_size.ilog2(),
context.limits().max_array_texture_layers - 1,
),
_ => return Err(WebGLError::InvalidOperation),