LibWeb/WebGL: Move extensions into their own folder

Author: https://github.com/Lubrsi
Commit: de77a5e3ea
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3239
Reviewed-by: https://github.com/awesomekling
Reviewed-by: https://github.com/kalenikaliaksandr

Libraries/LibWeb/WebGL/Extensions/ANGLEInstancedArrays.h

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/Bindings/PlatformObject.h>
+#include <LibWeb/Forward.h>
+#include <LibWeb/WebGL/Types.h>
+
+namespace Web::WebGL::Extensions {
+
+class ANGLEInstancedArrays : public Bindings::PlatformObject {
+    WEB_PLATFORM_OBJECT(ANGLEInstancedArrays, Bindings::PlatformObject);
+    GC_DECLARE_ALLOCATOR(ANGLEInstancedArrays);
+
+public:
+    static JS::ThrowCompletionOr<GC::Ptr<ANGLEInstancedArrays>> create(JS::Realm&, GC::Ref<WebGLRenderingContext>);
+
+    void draw_arrays_instanced_angle(GLenum mode, GLint first, GLsizei count, GLsizei primcount);
+    void draw_elements_instanced_angle(GLenum mode, GLsizei count, GLenum type, GLintptr offset, GLsizei primcount);
+    void vertex_attrib_divisor_angle(GLuint index, GLuint divisor);
+
+protected:
+    void initialize(JS::Realm&) override;
+    void visit_edges(Visitor&) override;
+
+private:
+    ANGLEInstancedArrays(JS::Realm&, GC::Ref<WebGLRenderingContext>);
+
+    GC::Ref<WebGLRenderingContext> m_context;
+};
+
+}