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Fix truncation in quad clipping

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Transforms may not be on the logical grid in the case of CSD clients
with scaling.
This commit is contained in:
David Edmundson 2022-09-14 14:21:33 +00:00 committed by Vlad Zahorodnii
parent eccfbbd6fd
commit 8ba77139e3
1 changed files with 2 additions and 3 deletions
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5
src/scenes/opengl/scene_opengl.cpp
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@ -288,15 +288,14 @@ static WindowQuadList clipQuads(const Item *item, const SceneOpenGL::RenderConte
{
const WindowQuadList quads = item->quads();
if (context->clip != infiniteRegion() && !context->hardwareClipping) {
const QPoint offset = context->transformStack.top().map(QPoint(0, 0));
const QPointF offset = context->transformStack.top().map(QPointF(0, 0));
WindowQuadList ret;
ret.reserve(quads.count());
// split all quads in bounding rect with the actual rects in the region
for (const WindowQuad &quad : qAsConst(quads)) {
for (const QRect &r : qAsConst(context->clip)) {
const QRectF rf(r.translated(-offset));
const QRectF rf(QRectF(r).translated(-offset));
const QRectF quadRect(QPointF(quad.left(), quad.top()), QPointF(quad.right(), quad.bottom()));
const QRectF &intersected = rf.intersected(quadRect);
if (intersected.isValid()) {