summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/sna/sna_blt.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/src/sna/sna_blt.c b/src/sna/sna_blt.c
index ff2bdc87..d7441ada 100644
--- a/src/sna/sna_blt.c
+++ b/src/sna/sna_blt.c
@@ -2598,6 +2598,7 @@ sna_blt_composite(struct sna *sna,
clear:
if (was_clear && sna_pixmap(tmp->dst.pixmap)->clear_color == 0) {
sna_pixmap(tmp->dst.pixmap)->clear = true;
+nop:
return prepare_blt_nop(sna, tmp);
}
@@ -2652,22 +2653,32 @@ clear:
if (sna_pixmap(tmp->dst.pixmap)->clear_color == 0)
op = PictOpSrc;
if (op == PictOpOver) {
+ unsigned dst_color = solid_color(dst->format, sna_pixmap(tmp->dst.pixmap)->clear_color);
color = over(get_solid_color(src, PICT_a8r8g8b8),
- solid_color(dst->format, sna_pixmap(tmp->dst.pixmap)->clear_color));
+ dst_color);
op = PictOpSrc;
DBG(("%s: precomputing solid OVER (%08x, %08x) -> %08x\n",
__FUNCTION__, get_solid_color(src, PICT_a8r8g8b8),
solid_color(dst->format, sna_pixmap(tmp->dst.pixmap)->clear_color),
color));
+ if (color == dst_color)
+ goto nop;
+ else
+ goto fill;
}
if (op == PictOpAdd) {
+ unsigned dst_color = solid_color(dst->format, sna_pixmap(tmp->dst.pixmap)->clear_color);
color = add(get_solid_color(src, PICT_a8r8g8b8),
- solid_color(dst->format, sna_pixmap(tmp->dst.pixmap)->clear_color));
+ dst_color);
op = PictOpSrc;
DBG(("%s: precomputing solid ADD (%08x, %08x) -> %08x\n",
__FUNCTION__, get_solid_color(src, PICT_a8r8g8b8),
solid_color(dst->format, sna_pixmap(tmp->dst.pixmap)->clear_color),
color));
+ if (color == dst_color)
+ goto nop;
+ else
+ goto fill;
}
}
if (op == PictOpOutReverse && is_opaque_solid(src))