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List:       kde-commits
Subject:    [kwin/scaling_merged] plugins/platforms/drm: Hopefully implment DRM scaling
From:       David Edmundson <kde () davidedmundson ! co ! uk>
Date:       2016-11-24 20:48:40
Message-ID: E1cA0wi-0000TY-MC () code ! kde ! org
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Git commit c10f05216952408b5e2b799f923e2cebd70e1607 by David Edmundson.
Committed on 24/11/2016 at 20:48.
Pushed by davidedmundson into branch 'scaling_merged'.

Hopefully implment DRM scaling

M  +6    -2    plugins/platforms/drm/egl_gbm_backend.cpp

https://commits.kde.org/kwin/c10f05216952408b5e2b799f923e2cebd70e1607

diff --git a/plugins/platforms/drm/egl_gbm_backend.cpp \
b/plugins/platforms/drm/egl_gbm_backend.cpp index 38e130b..9441456 100644
--- a/plugins/platforms/drm/egl_gbm_backend.cpp
+++ b/plugins/platforms/drm/egl_gbm_backend.cpp
@@ -156,7 +156,9 @@ void EglGbmBackend::createOutput(DrmOutput *drmOutput)
 {
     Output o;
     o.output = drmOutput;
-    o.gbmSurface = gbm_surface_create(m_backend->gbmDevice(), \
drmOutput->size().width(), drmOutput->size().height(), +    auto size = \
drmOutput->size() * drmOutput->scale(); +
+    o.gbmSurface = gbm_surface_create(m_backend->gbmDevice(), size.width(), \
                size.height(),
                                         GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | \
GBM_BO_USE_RENDERING);  if (!o.gbmSurface) {
         qCCritical(KWIN_DRM) << "Create gbm surface failed";
@@ -191,7 +193,9 @@ bool EglGbmBackend::makeContextCurrent(const Output &output)
     const QSize &overall = screens()->size();
     const QRect &v = output.output->geometry();
     // TODO: are the values correct?
-    glViewport(-v.x(), v.height() - overall.height() - v.y(), overall.width(), \
overall.height()); +
+    qreal scale = output.output->scale();
+    glViewport(-v.x(), v.height() - overall.height() - v.y(), overall.width() * \
scale, overall.height() * scale);  return true;
 }
 


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