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Widget windows choose a visual via the GLX or EGL path. Vulkan windows
use the default, simple visual chooser. When having a parent, the
different visuals can cause a BadMatch. Avoid this by taking the parent's
visual.
This way the hellovulkanwidget example is now functional on xcb as well
(tested on Jetson TX1 with L4T 24.2).
While we are at it, stop forcing RGB888 in the format, unless nothing
was set.
Change-Id: I39ab87e3219c04d4f547325d13d4873d70564411
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
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For Android, Windows and xcb. Verified on Win10 with NVIDIA, Win10
with AMD, Android with Tegra K1, Android aarch64 with Tegra X1, and
Linux aarch64 with Tegra X1 (Jetson TX1, L4T).
Introduce QPA-based Vulkan library loader, core function resolver, and
instance creation support. In addition to creating a new VkInstance,
adopting an existing one from an external engine is supported as well.
The WSI specifics are hidden in the platform plugins. Vulkan-capable
windows use the new surface type VulkanSurface and are associated with
a QVulkanInstance.
On Windows VULKAN_SDK is picked up automatically so finding vulkan.h
needs no additional manual steps once the LunarG SDK is installed.
[ChangeLog][QtGui] Added support for rendering to QWindow via the Vulkan
graphics API.
Task-number: QTBUG-55981
Change-Id: I50fa92d313fa440e0cc73939c6d7510ca317fbc9
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
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