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[effects/mousemark] Properly use GL_LINE_SMOOTH

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Summary:
We need to enable GL_BLEND for line smoothing to work.

CCBUG: 337044

Test Plan:
Before:
{F6184072, layout=center, size=full}

After:
{F6184074, layout=center, size=full}

Reviewers: #kwin, davidedmundson

Reviewed By: #kwin, davidedmundson

Subscribers: davidedmundson, kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D14714
This commit is contained in:
Vlad Zagorodniy 2018-08-09 21:29:30 +03:00
parent fb4dc9a9cf
commit 99804e0233
1 changed files with 5 additions and 0 deletions
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5
effects/mousemark/mousemark.cpp
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@ -119,7 +119,11 @@ void MouseMarkEffect::paintScreen(int mask, QRegion region, ScreenPaintData& dat
return;
if ( effects->isOpenGLCompositing()) {
if (!GLPlatform::instance()->isGLES()) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_LINE_SMOOTH);
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
}
glLineWidth(width);
GLVertexBuffer *vbo = GLVertexBuffer::streamingBuffer();
@ -150,6 +154,7 @@ void MouseMarkEffect::paintScreen(int mask, QRegion region, ScreenPaintData& dat
glLineWidth(1.0);
if (!GLPlatform::instance()->isGLES()) {
glDisable(GL_LINE_SMOOTH);
glDisable(GL_BLEND);
}
}
#ifdef KWIN_HAVE_XRENDER_COMPOSITING