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| -rw-r--r-- | src/gui/rhi/qrhi.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/gui/rhi/qrhi.cpp b/src/gui/rhi/qrhi.cpp index e6bc19acde..efa3c1893d 100644 --- a/src/gui/rhi/qrhi.cpp +++ b/src/gui/rhi/qrhi.cpp @@ -1655,6 +1655,17 @@ QRhiTextureRenderTargetDescription::QRhiTextureRenderTargetDescription(const QRh QRhi::ImageDataStride is reported as \l{QRhi::isFeatureSupported()}{supported}. In practice this can be expected to be supported everywhere except for OpenGL ES 2.0. + + \note When a QImage is given, the stride returned from + QImage::bytesPerLine() is taken into account automatically. + + \warning When a QImage is given and the QImage does not own the underlying + pixel data, it is up to the caller to ensure that the associated data stays + valid until the end of the frame. (just submitting the resource update batch + is not sufficient, the data must stay valid until QRhi::endFrame() is called + in order to be portable across all backends) If this cannot be ensured, the + caller is strongly encouraged to call QImage::detach() on the image before + passing it to uploadTexture(). */ /*! |