 href="group__errors.html#ga56882b290db23261cc6c053c40c2d08e">GLFW_API_UNAVAILABLE</a> error. Call <a class="el" href="group__vulkan.html#ga2e7f30931e02464b5bc8d0d4b6f9fe2b">glfwVulkanSupported</a> to check whether Vulkan is at least minimally available.</p>
<p>If the required window surface creation instance extensions are not available or if the specified instance was not created with these extensions enabled, this function returns <code>VK_ERROR_EXTENSION_NOT_PRESENT</code> and generates a <a class="el" 