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authorMichel Dänzer <mdaenzer@redhat.com>2019-11-18 18:06:28 +0100
committerMichel Dänzer <michel@daenzer.net>2019-11-25 18:46:56 +0100
commit9ba13bac9dd076f166ff0d063fc144b904a40d12 (patch)
tree5694325970b83ab8a069f7f29d39c99b93722b38 /hw/xfree86
parent327df450ffcf5bda5b4254db0208d355860d1010 (diff)
modesetting: Clear new screen pixmap storage on RandR resize
Fixes random garbage being visible intermittently. Reviewed-by: Adam Jackson <ajax@redhat.com>
Diffstat (limited to 'hw/xfree86')
-rw-r--r--hw/xfree86/drivers/modesetting/drmmode_display.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/hw/xfree86/drivers/modesetting/drmmode_display.c b/hw/xfree86/drivers/modesetting/drmmode_display.c
index 5f9e78662..8a9dc2d80 100644
--- a/hw/xfree86/drivers/modesetting/drmmode_display.c
+++ b/hw/xfree86/drivers/modesetting/drmmode_display.c
@@ -1799,6 +1799,19 @@ drmmode_set_scanout_pixmap(xf86CrtcPtr crtc, PixmapPtr ppix)
&drmmode_crtc->prime_pixmap);
}
+static void
+drmmode_clear_pixmap(PixmapPtr pixmap)
+{
+ ScreenPtr screen = pixmap->drawable.pScreen;
+ GCPtr gc;
+
+ gc = GetScratchGC(pixmap->drawable.depth, screen);
+ if (gc) {
+ miClearDrawable(&pixmap->drawable, gc);
+ FreeScratchGC(gc);
+ }
+}
+
static void *
drmmode_shadow_allocate(xf86CrtcPtr crtc, int width, int height)
{
@@ -3190,6 +3203,8 @@ drmmode_xf86crtc_resize(ScrnInfoPtr scrn, int width, int height)
if (!drmmode_glamor_handle_new_screen_pixmap(drmmode))
goto fail;
+ drmmode_clear_pixmap(ppix);
+
for (i = 0; i < xf86_config->num_crtc; i++) {
xf86CrtcPtr crtc = xf86_config->crtc[i];