submissioncontext fix: devicePixelRatio is not an integer

Converting it to int would cause the viewport not to take the whole expected
size as the interger conversion would essentially floor the value.

Change-Id: Ic608b0e1a0910aadb8b98c3225f999cba6326535
Reviewed-by: Mike Krus <mike.krus@kdab.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/render/renderers/opengl/graphicshelpers/submissioncontext.cpp b/src/render/renderers/opengl/graphicshelpers/submissioncontext.cpp
index 59c2d4286..daf6db717 100644
--- a/src/render/renderers/opengl/graphicshelpers/submissioncontext.cpp
+++ b/src/render/renderers/opengl/graphicshelpers/submissioncontext.cpp
@@ -577,7 +577,7 @@ QSize SubmissionContext::renderTargetSize(const QSize &surfaceSize) const
     } else {
         renderTargetSize = m_surface->size();
         if (m_surface->surfaceClass() == QSurface::Window) {
-            int dpr = static_cast<QWindow *>(m_surface)->devicePixelRatio();
+            const float dpr = static_cast<QWindow *>(m_surface)->devicePixelRatio();
             renderTargetSize *= dpr;
         }
     }