Go a bit more RAII on vertex arrays.

Outputs/OpenGL/Primitives/VertexArray.cpp

@@ -0,0 +1,53 @@
+//
+//  VertexArray.cpp
+//  Clock Signal Kiosk
+//
+//  Created by Thomas Harte on 29/01/2026.
+//  Copyright © 2026 Thomas Harte. All rights reserved.
+//
+
+#include "VertexArray.hpp"
+
+#include <algorithm>
+
+using namespace Outputs::Display::OpenGL;
+
+VertexArray::VertexArray(const size_t num_elements, const size_t element_size) {
+	const auto buffer_size = num_elements * element_size;
+
+	test_gl(glGenBuffers, 1, &buffer_);
+	test_gl(glBindBuffer, GL_ARRAY_BUFFER, buffer_);
+	test_gl(glBufferData, GL_ARRAY_BUFFER, GLsizeiptr(buffer_size), NULL, GL_STREAM_DRAW);
+
+	test_gl(glGenVertexArrays, 1, &vertex_array_);
+	test_gl(glBindVertexArray, vertex_array_);
+	test_gl(glBindBuffer, GL_ARRAY_BUFFER, buffer_);
+}
+
+VertexArray::~VertexArray() {
+	glDeleteBuffers(1, &buffer_);
+	glDeleteVertexArrays(1, &vertex_array_);
+}
+
+VertexArray::VertexArray(VertexArray &&rhs) {
+	*this = std::move(rhs);
+}
+
+VertexArray &VertexArray::operator =(VertexArray &&rhs) {
+	std::swap(buffer_, rhs.buffer_);
+	std::swap(vertex_array_, rhs.vertex_array_);
+	return *this;
+}
+
+void VertexArray::bind() {
+	test_gl(glBindVertexArray, vertex_array_);
+}
+
+void VertexArray::bind_buffer() {
+	test_gl(glBindBuffer, GL_ARRAY_BUFFER, buffer_);
+}
+
+void VertexArray::bind_all() {
+	bind();
+	bind_buffer();
+}