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authorNicolai Haehnle <nhaehnle@gmail.com>2008-08-13 09:50:12 +1000
committerDave Airlie <airlied@linux.ie>2008-08-25 06:35:12 +1000
commit649ffc06a62bf487b78440669bdfeb637f1d675b (patch)
tree6521a822315303a2579defbe8c8e1993f288604e /drivers/gpu/drm/radeon/r300_cmdbuf.c
parente2898c5fdd91f54c9c84fbf7d32edb8e4dfda574 (diff)
downloadvexpress-lsk-649ffc06a62bf487b78440669bdfeb637f1d675b.tar.gz
r300: Fix cliprect emit
This makes our handling of cliprects sane. drm_clip_rect always has exclusiv bottom-right corners, but the hardware expects inclusive bottom-right corner so we adjust this here. This complements Michel Daenzer's commit 57aea290e1e0a26d1e74df6cff777eb9f03 to Mesa. See also http://bugs.freedesktop.org/show_bug.cgi?id=16123 Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r300_cmdbuf.c')
-rw-r--r--drivers/gpu/drm/radeon/r300_cmdbuf.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/r300_cmdbuf.c b/drivers/gpu/drm/radeon/r300_cmdbuf.c
index b1fdfc61f27..4b27d9abb7b 100644
--- a/drivers/gpu/drm/radeon/r300_cmdbuf.c
+++ b/drivers/gpu/drm/radeon/r300_cmdbuf.c
@@ -77,6 +77,9 @@ static int r300_emit_cliprects(drm_radeon_private_t *dev_priv,
return -EFAULT;
}
+ box.x2--; /* Hardware expects inclusive bottom-right corner */
+ box.y2--;
+
if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV515) {
box.x1 = (box.x1) &
R300_CLIPRECT_MASK;
@@ -95,8 +98,8 @@ static int r300_emit_cliprects(drm_radeon_private_t *dev_priv,
R300_CLIPRECT_MASK;
box.y2 = (box.y2 + R300_CLIPRECT_OFFSET) &
R300_CLIPRECT_MASK;
-
}
+
OUT_RING((box.x1 << R300_CLIPRECT_X_SHIFT) |
(box.y1 << R300_CLIPRECT_Y_SHIFT));
OUT_RING((box.x2 << R300_CLIPRECT_X_SHIFT) |