Fix autoscaled nanovg setup

Signed-off-by: falkTX <[email protected]>
DISTRHO · Oct 11, 2023 · a58498f · a58498f
1 parent 2ec2504
commit a58498f
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/dgl/src/OpenGL.cpp b/dgl/src/OpenGL.cpp
@@ -693,7 +693,10 @@ void SubWidget::PrivateData::display(const uint width, const uint height, const
 
         if (viewportScaleFactor != 0.0 && viewportScaleFactor != 1.0)
         {
-            glViewport(x * viewportScaleFactor, -absolutePos.getY() * viewportScaleFactor, w, h);
+            glViewport(x,
+                       -static_cast<int>(height * viewportScaleFactor - height + absolutePos.getY() + 0.5),
+                       static_cast<int>(width * viewportScaleFactor + 0.5),
+                       static_cast<int>(height * viewportScaleFactor + 0.5));
         }
         else
         {