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// Copyright 2014-2023 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
[[platformQuerySupport_directfb]]
=== DirectFB Platform
[open,refpage='vkGetPhysicalDeviceDirectFBPresentationSupportEXT',desc='Query physical device for presentation with DirectFB',type='protos']
--
To determine whether a queue family of a physical device supports
presentation with DirectFB library, call:
include::{generated}/api/protos/vkGetPhysicalDeviceDirectFBPresentationSupportEXT.adoc[]
* pname:physicalDevice is the physical device.
* pname:queueFamilyIndex is the queue family index.
* pname:dfb is a pointer to the code:IDirectFB main interface of DirectFB.
This platform-specific function can: be called prior to creating a surface.
.Valid Usage
****
* [[VUID-vkGetPhysicalDeviceDirectFBPresentationSupportEXT-queueFamilyIndex-04119]]
pname:queueFamilyIndex must: be less than
pname:pQueueFamilyPropertyCount returned by
fname:vkGetPhysicalDeviceQueueFamilyProperties for the given
pname:physicalDevice
****
include::{generated}/validity/protos/vkGetPhysicalDeviceDirectFBPresentationSupportEXT.adoc[]
--
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