[Bug 95069] [DRI2][PRIME] display black window when enable GPU offloading

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95069

--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
Try with just:

diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c
index 48dcb58..1e9546d 100644
--- a/src/sna/sna_accel.c
+++ b/src/sna/sna_accel.c
@@ -1098,6 +1098,8 @@ static unsigned small_copy(const RegionRec *region)
 }

 #ifdef CREATE_PIXMAP_USAGE_SHARED
+#undef DBG
+#define DBG(x) ErrorF x
 static Bool
 sna_share_pixmap_backing(PixmapPtr pixmap, ScreenPtr slave, void **fd_handle)
 {
@@ -1290,6 +1292,8 @@ sna_create_pixmap_shared(struct sna *sna, ScreenPtr
screen,

        return pixmap;
 }
+#undef DBG
+#define DBG(x)
 #endif

 static PixmapPtr sna_create_pixmap(ScreenPtr screen,

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