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authorAdam Jackson <ajax@redhat.com>2018-03-28 12:46:01 -0400
committerAdam Jackson <ajax@redhat.com>2018-03-28 16:34:28 -0400
commitd11d5bb80d21f2aaa54ddf2f26a50aa6ef31d2fa (patch)
tree73b383ac89b9de7bd12fa48b4582787730d0007f
parentdf13ea7da9174d2e1c732985d9b7a9a35a6916bc (diff)
glamor: Hide new DRI behind Option "Debug" "dmabuf_capable"
... for xfree86, at least for now. Things appear to work for Xwayland but not yet for modesetting. Hopefully we can fix that before 1.20 but in the meantime this makes testing both paths easier than a rebuild. Signed-off-by: Adam Jackson <ajax@redhat.com>
-rw-r--r--glamor/glamor_egl.c4
-rw-r--r--hw/xfree86/man/xorg.conf.man3
2 files changed, 6 insertions, 1 deletions
diff --git a/glamor/glamor_egl.c b/glamor/glamor_egl.c
index 2ea3efc58..4a550932a 100644
--- a/glamor/glamor_egl.c
+++ b/glamor/glamor_egl.c
@@ -35,6 +35,7 @@
#include <sys/ioctl.h>
#include <errno.h>
#include <xf86.h>
+#include <xf86Priv.h>
#include <xf86drm.h>
#define EGL_DISPLAY_NO_X_MESA
@@ -960,7 +961,8 @@ glamor_egl_init(ScrnInfoPtr scrn, int fd)
"EGL_EXT_image_dma_buf_import") &&
epoxy_has_egl_extension(glamor_egl->display,
"EGL_EXT_image_dma_buf_import_modifiers"))
- glamor_egl->dmabuf_capable = TRUE;
+ glamor_egl->dmabuf_capable = !!strstr(xf86Info.debug,
+ "dmabuf_capable");
#endif
glamor_egl->saved_free_screen = scrn->FreeScreen;
diff --git a/hw/xfree86/man/xorg.conf.man b/hw/xfree86/man/xorg.conf.man
index 46ddd0ec9..958926243 100644
--- a/hw/xfree86/man/xorg.conf.man
+++ b/hw/xfree86/man/xorg.conf.man
@@ -498,6 +498,9 @@ The options recognised by this section are:
.BI "Option \*qDebug\*q \*q" string \*q
This comma-separated list provides a way to control various debugging switches
from the config file.
+At the moment the only defined value is
+.B dmabuf_capable
+which instructs glamor to enable some unstable buffer management code.
.TP 7
.BI "Option \*qDefaultServerLayout\*q \*q" layout\-id \*q
This specifies the default