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authorChris Wilson <chris@chris-wilson.co.uk>2011-12-09 09:54:12 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2011-12-09 09:54:22 +0000
commit429a36f7481b9bfd5ed137642d2916d69a713557 (patch)
tree3cda2f6de05712265e90131921d0ec9d975b4212 /uxa/uxa-accel.c
parent699888a6410b0699c69a7f8a8d82dc4fde6fcc7f (diff)
uxa: Fix clip processing for uxa_fill_spans()
Fixes regression from e0066e77e026b0dd0daa0c3765473c7d63aa6753 (uxa: Simplify Composite solid acceleration for spans by only clipping once) [2.15.901] Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=43649 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'uxa/uxa-accel.c')
-rw-r--r--uxa/uxa-accel.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/uxa/uxa-accel.c b/uxa/uxa-accel.c
index 21957a3d..e4afd137 100644
--- a/uxa/uxa-accel.c
+++ b/uxa/uxa-accel.c
@@ -92,21 +92,17 @@ uxa_fill_spans(DrawablePtr pDrawable, GCPtr pGC, int n,
nbox = REGION_NUM_RECTS(pClip);
pbox = REGION_RECTS(pClip);
while (nbox--) {
- if (pbox->y1 > y || pbox->y2 <= y)
- continue;
-
- if (x1 < pbox->x1)
- x1 = pbox->x1;
+ int X1 = x1, X2 = x2;
+ if (X1 < pbox->x1)
+ X1 = pbox->x1;
- if (x2 > pbox->x2)
- x2 = pbox->x2;
-
- if (x2 <= x1)
- continue;
+ if (X2 > pbox->x2)
+ X2 = pbox->x2;
- (*uxa_screen->info->solid) (dst_pixmap,
- x1 + off_x, y + off_y,
- x2 + off_x, y + 1 + off_y);
+ if (X2 > X1 && pbox->y1 <= y && pbox->y2 > y)
+ (*uxa_screen->info->solid) (dst_pixmap,
+ X1 + off_x, y + off_y,
+ X2 + off_x, y + 1 + off_y);
pbox++;
}
}