Otherwise it is impossible to write an application that pulls out the VkBuffer for a Dynamic QRhiBuffer, and then uses it with custom Vulkan operations that read from the buffer. More precisely, the problem arises only if the buffer in question is not used in combination with any QRhi operations, because in that case there is nothing that would trigger doing the host writes queued up by a resource batch's updateDynamicBuffer(). Task-number: QTBUG-82435 Change-Id: Ieb54422f1493921bc6d4d029be56130cd3a1362a Reviewed-by: Christian Strømme <christian.stromme@qt.io>