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Diffstat (limited to 'components/layout/display_list_builder.rs')
| -rw-r--r-- | components/layout/display_list_builder.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/components/layout/display_list_builder.rs b/components/layout/display_list_builder.rs index c3ac7f09048..67a520a3796 100644 --- a/components/layout/display_list_builder.rs +++ b/components/layout/display_list_builder.rs @@ -2236,6 +2236,14 @@ impl BlockFlowDisplayListBuilding for BlockFlow { } match transform { + Some(transform) if transform.m13 != 0.0 || transform.m23 != 0.0 => { + // We cannot properly handle perspective transforms, because there may be a + // situation where an element is transformed from outside the clip into the + // clip region. Here we don't have enough information to detect when that is + // happening. For the moment we just punt on trying to optimize the display + // list for those cases. + max_rect() + } Some(transform) => { let clip = Rect::new(Point2D::new((clip.origin.x - origin.x).to_f32_px(), (clip.origin.y - origin.y).to_f32_px()), |