Initial commit

2026-04-29 07:19:21 +03:00
commit 9a8cdfa08a
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+// @snippet qcpainterwidget-grabcanvas
+Issues a texture readback request for ``canvas``. ``callback`` is invoked
+either before the function returns, or later, depending on the underlying
+``QRhi`` and 3D API implementation. Reading back texture contents may
+involve a GPU->CPU copy, depending on the GPU architecture.
+// @snippet qcpainterwidget-grabcanvas