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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
/*!
\example hellovulkancubes
\meta installpath vulkan
\title Hello Vulkan Cubes Example
\ingroup examples-vulkan
\brief Shows the basics of using QVulkanWindow.
\examplecategory {Graphics}
The \e{Hello Vulkan Cubes Example} shows more advanced usage of QVulkanWindow.
\image hellovulkancubes.png
In this example there is a mesh loaded from a file and two different
materials and corresponding graphics pipelines. The rounded cubes are drawn
using instancing and feature a Phong lighting model with a single
directional light.
Unlike hellovulkantexture and hellovulkantriangle, the uniform buffer
handling takes an alternative approach here: dynamic uniform buffers are
used instead of multiple descriptor sets.
The example requires QtConcurrent since it demonstrates simple usage of
QtConcurrent::run(), QFuture, and QFutureWatcher in combination of
QVulkanWindow. Mesh and shader data loading, the potentially expensive
graphics pipeline construction, and the building of the frame command buffer
are all done in separate worker threads.
The scene is embedded into a widget-based user interface. The QVulkanWindow
subclass handles mouse and keyboard input as well since it provides a
first-person style camera in order to allow moving around in the scene.
\include examples-run.qdocinc
*/
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