QGCRhiCapture Namespace Reference

Resolves and caches the QRhi* driving QGC's main scene graph; Qt has no global RHI accessor. More...

Classes
struct	DeviceSnapshot

Functions
QRhi *	cachedRhi () noexcept
	Cached QRhi* maintained by sceneGraph signals; safe from any thread via acquire ordering.
DeviceSnapshot &	deviceSnapshot () noexcept
	Returns the global snapshot. Atomic fields make individual reads thread-safe.
void	connectWindow (QQuickWindow *window)

Detailed Description

Resolves and caches the QRhi* driving QGC's main scene graph; Qt has no global RHI accessor.

Function Documentation

cachedRhi()

QRhi * QGCRhiCapture::cachedRhi ( )

noexcept

Cached QRhi* maintained by sceneGraph signals; safe from any thread via acquire ordering.

Definition at line 98 of file QGCRhiCapture.cc.

Referenced by GStreamer::onMainWindowReady().

connectWindow()

void QGCRhiCapture::connectWindow

(

QQuickWindow *

window

)

Call once from the GUI thread once the main QQuickWindow exists; wires sceneGraph signals to maintain cachedRhi() and the device snapshot.

Definition at line 108 of file QGCRhiCapture.cc.

References HwBuffers::resetCachedGpuResources().

Referenced by HwBuffers::connectMainWindow().

deviceSnapshot()

DeviceSnapshot & QGCRhiCapture::deviceSnapshot ( )

noexcept

Returns the global snapshot. Atomic fields make individual reads thread-safe.

Definition at line 103 of file QGCRhiCapture.cc.