eglfs/kms : implement nativeResourceForScreen

This will return the crtc_id for the given screen.

Change-Id: Ia4510a730e2d98c705f382644e2ab5a432612c02
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_support/qeglfskmsintegration.cpp b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_support/qeglfskmsintegration.cpp
index 975b1947bf..06bc272050 100644
--- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_support/qeglfskmsintegration.cpp
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_support/qeglfskmsintegration.cpp
@@ -141,6 +141,16 @@ void *QEglFSKmsIntegration::nativeResourceForIntegration(const QByteArray &name)
     return nullptr;
 }
 
+void *QEglFSKmsIntegration::nativeResourceForScreen(const QByteArray &resource, QScreen *screen)
+{
+    QEglFSKmsScreen *s = static_cast<QEglFSKmsScreen *>(screen->handle());
+    if (s) {
+        if (resource == QByteArrayLiteral("dri_crtcid"))
+            return (void *) (qintptr) s->output().crtc_id;
+    }
+    return nullptr;
+}
+
 QKmsDevice *QEglFSKmsIntegration::device() const
 {
     return m_device;