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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-07-04 10:07:51 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-07-04 10:07:51 +0100 |
| commit | 4556ac396ed46a476cc970946011e377451346ff (patch) | |
| tree | b4e587c3d5946e913d92866d1a0aafd8c214dd28 /src/sna | |
| parent | 9154dff9aedad3271f629edb1ccc9c8d273ca7bc (diff) | |
sna: Track TearFree shadow as an active scanout
Don't allow DRI2 to hand back the current shadow buffer as a Drawable's
next back buffer.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src/sna')
| -rw-r--r-- | src/sna/sna_display.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/sna/sna_display.c b/src/sna/sna_display.c index e9f3707b..10d33f25 100644 --- a/src/sna/sna_display.c +++ b/src/sna/sna_display.c @@ -1726,11 +1726,13 @@ static bool wait_for_shadow(struct sna *sna, sna_pixmap_unmap(pixmap, priv); DBG(("%s: setting front pixmap to handle=%d\n", __FUNCTION__, bo->handle)); + sna->mode.shadow->active_scanout--; tmp = priv->gpu_bo; priv->gpu_bo = bo; if (bo != sna->mode.shadow) kgem_bo_destroy(&sna->kgem, sna->mode.shadow); sna->mode.shadow = tmp; + sna->mode.shadow->active_scanout++; sna_dri2_pixmap_update_bo(sna, pixmap, bo); @@ -1852,6 +1854,7 @@ static void sna_mode_disable_shadow(struct sna *sna) sna->mode.shadow_enabled = false; if (sna->mode.shadow) { + sna->mode.shadow->active_scanout--; kgem_bo_destroy(&sna->kgem, sna->mode.shadow); sna->mode.shadow = NULL; } @@ -2323,6 +2326,7 @@ static void set_shadow(struct sna *sna, RegionPtr region) assert(priv->gpu_bo); assert(sna->mode.shadow); + assert(sna->mode.shadow->active_scanout); DBG(("%s: waiting for region %dx[(%d, %d), (%d, %d)], front handle=%d, shadow handle=%d\n", __FUNCTION__, @@ -2631,6 +2635,7 @@ out_shadow: assert(__sna_pixmap_get_bo(sna->front) == NULL || __sna_pixmap_get_bo(sna->front)->pitch == shadow->pitch); sna->mode.shadow = shadow; + sna->mode.shadow->active_scanout++; } set_shadow(sna, ®ion); |