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-rw-r--r--man/radeon.man16
1 files changed, 16 insertions, 0 deletions
diff --git a/man/radeon.man b/man/radeon.man
index 6e46f894..27037730 100644
--- a/man/radeon.man
+++ b/man/radeon.man
@@ -290,6 +290,22 @@ as of TAHITI, otherwise
The following driver
.B Options
are supported for
+.B glamor
+:
+.TP
+.BI "Option \*qShadowPrimary\*q \*q" boolean \*q
+This option enables a so-called "shadow primary" buffer for fast CPU access to
+pixel data, and separate scanout buffers for each display controller (CRTC).
+This may improve performance for some 2D workloads, potentially at the expense
+of other (e.g. 3D, video) workloads.
+Note in particular that enabling this option currently disables page flipping.
+The default is
+.B off.
+
+.PP
+The following driver
+.B Options
+are supported for
.B EXA
:
.TP