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author | Laszlo Agocs <laszlo.agocs@qt.io> | 2019-09-23 16:10:21 +0200 |
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committer | Laszlo Agocs <laszlo.agocs@qt.io> | 2019-09-27 12:00:56 +0200 |
commit | 6bb678bad25eafe76dcebcd1ff184be9de9125bb (patch) | |
tree | 93c1597a28d66d01e304a7f609d0ad09bdd4e9ce /src/quick/doc | |
parent | 3f44e0fc5f1d55498ce7fb93a7841198a7583a08 (diff) |
Add a QSG env var for QRhi::PreferSoftwareRenderer
Also extend the docs. And while we are at it get rid of
some clang warnings.
Task-number: QTBUG-78669
Change-Id: I4ef15d2d066098ba7bbbd34e80d4e61efe7fba23
Reviewed-by: Christian Strømme <christian.stromme@qt.io>
Diffstat (limited to 'src/quick/doc')
-rw-r--r-- | src/quick/doc/src/concepts/visualcanvas/scenegraph.qdoc | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/quick/doc/src/concepts/visualcanvas/scenegraph.qdoc b/src/quick/doc/src/concepts/visualcanvas/scenegraph.qdoc index 864d90274c..e09c430e43 100644 --- a/src/quick/doc/src/concepts/visualcanvas/scenegraph.qdoc +++ b/src/quick/doc/src/concepts/visualcanvas/scenegraph.qdoc @@ -1016,6 +1016,14 @@ with multiple windows. \li Where applicable (Vulkan, Direct3D), enables the graphics API implementation's debug and/or validation layers, if available. + \row + \li \c QSG_RHI_PREFER_SOFTWARE_RENDERER + \li \c 1 + \li Requests choosing an adapter or physical device that uses software-based + rasterization. Applicable only when the underlying API has support for + enumerating adapters (for example, Direct3D or Vulkan), and is ignored + otherwise. + \endtable Applications wishing to always run with a single given graphics API, can @@ -1031,4 +1039,9 @@ with multiple windows. equivalent in effect to running with both \c QSG_RHI and \c QSG_RHI_BACKEND set. + All QRhi backends will choose the system default GPU adapter or physical + device, unless overridden by \c{QSG_RHI_PREFER_SOFTWARE_RENDERER} or a + backend-specific variable, such as, \c{QT_D3D_ADAPTER_INDEX} or + \c{QT_VK_PHYSICAL_DEVICE_INDEX}. No further adapter configurability is + provided at this time. */ |