diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2014-04-07 07:59:01 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2014-04-07 07:59:01 +0100 |
| commit | f5014b3fddf6c79f5ca01a91eec5ca92184c8829 (patch) | |
| tree | 6df51b75a208506829eb29965feb7253250d6911 /src/sna/sna_accel.c | |
| parent | 3310ee89c1f1a663de5f5b12b8125809a213996f (diff) | |
sna: Avoid double application of pixel widening for degenerate lines
References: https://bugs.freedesktop.org/show_bug.cgi?id=77074
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src/sna/sna_accel.c')
| -rw-r--r-- | src/sna/sna_accel.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c index 71ba34d5..55eef797 100644 --- a/src/sna/sna_accel.c +++ b/src/sna/sna_accel.c @@ -8849,7 +8849,7 @@ sna_poly_line_blt(DrawablePtr drawable, DDXPointRec last; int16_t dx, dy; - DBG(("%s: alu=%d, fg=%08x\n", __FUNCTION__, gc->alu, (unsigned)pixel)); + DBG(("%s: alu=%d, fg=%08x, clipped=%d\n", __FUNCTION__, gc->alu, (unsigned)pixel, clipped)); if (!sna_fill_init_blt(&fill, sna, pixmap, bo, gc->alu, pixel, FILL_BOXES)) return false; @@ -8875,6 +8875,8 @@ sna_poly_line_blt(DrawablePtr drawable, p.x += dx; p.y += dy; } + DBG(("%s: line (%d, %d) -> (%d, %d)\n", __FUNCTION__, last.x, last.y, p.x, p.y)); + if (last.x == p.x) { b->x1 = last.x; b->x2 = last.x + 1; @@ -8885,6 +8887,7 @@ sna_poly_line_blt(DrawablePtr drawable, b->x1 = p.x; b->x2 = last.x; } + if (last.y == p.y) { b->y1 = last.y; b->y2 = last.y + 1; @@ -8895,11 +8898,12 @@ sna_poly_line_blt(DrawablePtr drawable, b->y1 = p.y; b->y2 = last.y; } - b->y2 += last.x == p.x; - b->x2 += last.y == p.y; + b->y2 += last.x == p.x && last.y != p.y; + b->x2 += last.y == p.y && last.x != p.x; DBG(("%s: blt (%d, %d), (%d, %d)\n", __FUNCTION__, b->x1, b->y1, b->x2, b->y2)); + if (++b == last_box) { assert_pixmap_contains_boxes(pixmap, boxes, last_box-boxes, 0, 0); fill.boxes(sna, &fill, boxes, last_box - boxes); @@ -8953,8 +8957,8 @@ sna_poly_line_blt(DrawablePtr drawable, b->y1 = p.y; b->y2 = last.y; } - b->y2 += last.x == p.x; - b->x2 += last.y == p.y; + b->y2 += last.x == p.x && last.y != p.y; + b->x2 += last.y == p.y && last.x != p.x; DBG(("%s: blt (%d, %d), (%d, %d)\n", __FUNCTION__, b->x1, b->y1, b->x2, b->y2)); @@ -9011,8 +9015,8 @@ sna_poly_line_blt(DrawablePtr drawable, box.y1 = p.y; box.y2 = last.y; } - b->y2 += last.x == p.x; - b->x2 += last.y == p.y; + b->y2 += last.x == p.x && last.y != p.y; + b->x2 += last.y == p.y && last.x != p.x; DBG(("%s: blt (%d, %d), (%d, %d)\n", __FUNCTION__, box.x1, box.y1, box.x2, box.y2)); @@ -9183,9 +9187,10 @@ sna_poly_line(DrawablePtr drawable, GCPtr gc, if (data.flags == 0) return; - DBG(("%s: extents (%d, %d), (%d, %d)\n", __FUNCTION__, + DBG(("%s: extents (%d, %d), (%d, %d), flags=%x\n", __FUNCTION__, data.region.extents.x1, data.region.extents.y1, - data.region.extents.x2, data.region.extents.y2)); + data.region.extents.x2, data.region.extents.y2, + data.flags)); data.region.data = NULL; @@ -9202,7 +9207,7 @@ sna_poly_line(DrawablePtr drawable, GCPtr gc, goto fallback; } - DBG(("%s: fill=%d [%d], line=%d [%d], width=%d, mask=%lu [%d], rectlinear=%d\n", + DBG(("%s: fill=%d [%d], line=%d [%d], width=%d, mask=%lx [%d], rectlinear=%d\n", __FUNCTION__, gc->fillStyle, gc->fillStyle == FillSolid, gc->lineStyle, gc->lineStyle == LineSolid, |