xf86-video-intel: src/sna/gen7_render.c
Chris Wilson
ickle at kemper.freedesktop.org
Mon Nov 18 10:57:36 PST 2013
src/sna/gen7_render.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
New commits:
commit 12f4c48d39b939a3a26a1504910b5f16ee6c86b8
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date: Mon Nov 18 16:59:08 2013 +0000
sna/gen7: Rework random GPU flushing
There seems to be no clear rationale for these flushes. They have been
empirically derived to pass test/render-copyarea and rendercheck,
without impacting upon a few simple benchmarks.
References: https://bugs.freedesktop.org/show_bug.cgi?id=68410
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
diff --git a/src/sna/gen7_render.c b/src/sna/gen7_render.c
index f940803..9a7be4c 100644
--- a/src/sna/gen7_render.c
+++ b/src/sna/gen7_render.c
@@ -1109,9 +1109,7 @@ gen7_emit_state(struct sna *sna,
if (ALWAYS_INVALIDATE)
need_invalidate = true;
- need_flush =
- sna->render_state.gen7.emit_flush &&
- wm_binding_table & GEN7_READS_DST(op->u.gen7.flags);
+ need_flush = wm_binding_table & 1 || sna->render_state.gen7.emit_flush;
if (ALWAYS_FLUSH)
need_flush = true;
@@ -1535,6 +1533,9 @@ static void gen7_emit_composite_state(struct sna *sna,
offset = sna->render_state.gen7.surface_table;
}
+ if (sna->kgem.batch[sna->render_state.gen7.surface_table] == binding_table[0])
+ dirty = 0;
+
gen7_emit_state(sna, op, offset | dirty);
}
@@ -2810,6 +2811,9 @@ gen7_emit_copy_state(struct sna *sna,
offset = sna->render_state.gen7.surface_table;
}
+ if (sna->kgem.batch[sna->render_state.gen7.surface_table] == binding_table[0])
+ dirty = 0;
+
assert(!GEN7_READS_DST(op->u.gen7.flags));
gen7_emit_state(sna, op, offset | dirty);
}
@@ -3242,6 +3246,9 @@ gen7_emit_fill_state(struct sna *sna, const struct sna_composite_op *op)
offset = sna->render_state.gen7.surface_table;
}
+ if (sna->kgem.batch[sna->render_state.gen7.surface_table] == binding_table[0])
+ dirty = 0;
+
gen7_emit_state(sna, op, offset | dirty);
}
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