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LibWeb: Implement WEBGL_debug_renderer_info extension

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This extension lets pages query the underlying GPU vendor and renderer
strings via UNMASKED_VENDOR_WEBGL / UNMASKED_RENDERER_WEBGL. Some sites
(e.g. yandex.com/maps) use it to decide whether to render vector tiles
with WebGL or fall back to raster tiles.
This commit is contained in:
Aliaksandr Kalenik
2026-04-22 20:39:31 +02:00
committed by Alexander Kalenik
parent eb9432fcb8
commit 3c7b3a0fe2
Notes: github-actions[bot] 2026-04-22 20:40:35 +00:00 
Author: https://github.com/kalenikaliaksandr
Commit: https://github.com/LadybirdBrowser/ladybird/commit/3c7b3a0fe2e
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/9043
7 changed files with 109 additions and 1 deletions
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31
Libraries/LibWeb/WebGL/Extensions/WebGLDebugRendererInfo.h Normal file
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/*
* Copyright (c) 2026, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/Forward.h>
namespace Web::WebGL::Extensions {
class WebGLDebugRendererInfo : public Bindings::PlatformObject {
WEB_PLATFORM_OBJECT(WebGLDebugRendererInfo, Bindings::PlatformObject);
GC_DECLARE_ALLOCATOR(WebGLDebugRendererInfo);
public:
static JS::ThrowCompletionOr<GC::Ref<JS::Object>> create(JS::Realm&, GC::Ref<WebGLRenderingContextBase>);
protected:
void initialize(JS::Realm&) override;
void visit_edges(Visitor&) override;
private:
WebGLDebugRendererInfo(JS::Realm&, GC::Ref<WebGLRenderingContextBase>);
GC::Ref<WebGLRenderingContextBase> m_context;
};
}