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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2012-04-13 16:37:43 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2012-04-13 16:37:43 +0100 |
| commit | 89f2b09b1e5be9842747998ea4fe32a6f1ede4cc (patch) | |
| tree | 0cf7a0a38352be5d8e98e237106611c82e00f780 | |
| parent | eaadbce122059066353743f1653aa16e9d9b747f (diff) | |
sna: Avoid using TILING_Y for large objects on gen2/3
References: https://bugs.freedesktop.org/show_bug.cgi?id=48636
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
| -rw-r--r-- | src/sna/sna_accel.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c index 8fcdd141..1c43fb76 100644 --- a/src/sna/sna_accel.c +++ b/src/sna/sna_accel.c @@ -458,6 +458,16 @@ static inline uint32_t default_tiling(PixmapPtr pixmap) __FUNCTION__)); sna_damage_destroy(&priv->gpu_damage); priv->undamaged = false; + + /* Only on later generations was the render pipeline + * more flexible than the BLT. So on gen2/3, prefer to + * keep large objects accessible through the BLT. + */ + if (sna->kgem.gen < 40 && + (pixmap->drawable.width > sna->render.max_3d_size || + pixmap->drawable.height > sna->render.max_3d_size)) + return I915_TILING_X; + return I915_TILING_Y; } |