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ngl: Speed up clipping calculations a bit

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Exit as early as possible from intersect_rounded_rectilinear.
This commit is contained in:
Matthias Clasen 2021-07-23 10:19:16 -04:00
parent d44ce1987d
commit 466d33ca69
1 changed files with 19 additions and 12 deletions
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27
gsk/ngl/gsknglrenderjob.c
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@ -347,31 +347,38 @@ intersect_rounded_rectilinear (const graphene_rect_t *non_rounded,
corners[0] = rounded_rect_has_corner (rounded, 0) &&
rect_intersects (non_rounded,
&rounded_rect_corner (rounded, 0));
if (corners[0] && !rect_contains_rect (non_rounded,
&rounded_rect_corner (rounded, 0)))
return FALSE;
/* top right ? */
corners[1] = rounded_rect_has_corner (rounded, 1) &&
rect_intersects (non_rounded,
&rounded_rect_corner (rounded, 1));
if (corners[1] && !rect_contains_rect (non_rounded,
&rounded_rect_corner (rounded, 1)))
return FALSE;
/* bottom right ? */
corners[2] = rounded_rect_has_corner (rounded, 2) &&
rect_intersects (non_rounded,
&rounded_rect_corner (rounded, 2));
/* bottom left */
if (corners[2] && !rect_contains_rect (non_rounded,
&rounded_rect_corner (rounded, 2)))
return FALSE;
/* bottom left ? */
corners[3] = rounded_rect_has_corner (rounded, 3) &&
rect_intersects (non_rounded,
&rounded_rect_corner (rounded, 3));
if (corners[0] && !rect_contains_rect (non_rounded, &rounded_rect_corner (rounded, 0)))
return FALSE;
if (corners[1] && !rect_contains_rect (non_rounded, &rounded_rect_corner (rounded, 1)))
return FALSE;
if (corners[2] && !rect_contains_rect (non_rounded, &rounded_rect_corner (rounded, 2)))
return FALSE;
if (corners[3] && !rect_contains_rect (non_rounded, &rounded_rect_corner (rounded, 3)))
if (corners[3] && !rect_contains_rect (non_rounded,
&rounded_rect_corner (rounded, 3)))
return FALSE;
/* We do intersect with at least one of the corners, but in such a way that the
* intersection between the two clips can still be represented by a single rounded
* rect in a trivial way. do that. */
* rect in a trivial way. do that.
*/
graphene_rect_intersection (non_rounded, &rounded->bounds, &result->bounds);
for (guint i = 0; i < 4; i++)