diff --git a/src/plugins/scenes/opengl/scene_opengl.cpp b/src/plugins/scenes/opengl/scene_opengl.cpp
index ea9533592c..db52c74ce7 100644
--- a/src/plugins/scenes/opengl/scene_opengl.cpp
+++ b/src/plugins/scenes/opengl/scene_opengl.cpp
@@ -916,7 +916,7 @@ void OpenGLWindow::createRenderNode(Item *item, RenderContext *context)
                 .transformMatrix = context->transforms.top(),
                 .opacity = context->paintData.opacity(),
                 .hasAlpha = true,
-                .coordinateType = NormalizedCoordinates,
+                .coordinateType = UnnormalizedCoordinates,
             });
         }
     } else if (auto decorationItem = qobject_cast<DecorationItem *>(item)) {
diff --git a/src/shadowitem.cpp b/src/shadowitem.cpp
index 0f14d754d5..696a165f26 100644
--- a/src/shadowitem.cpp
+++ b/src/shadowitem.cpp
@@ -164,8 +164,8 @@ WindowQuadList ShadowItem::buildQuads() const
     if (topLeftRect.isValid()) {
         tx1 = 0.0;
         ty1 = 0.0;
-        tx2 = topLeftRect.width() / width;
-        ty2 = topLeftRect.height() / height;
+        tx2 = topLeftRect.width();
+        ty2 = topLeftRect.height();
         WindowQuad topLeftQuad;
         topLeftQuad[0] = WindowVertex(topLeftRect.left(),  topLeftRect.top(),    tx1, ty1);
         topLeftQuad[1] = WindowVertex(topLeftRect.right(), topLeftRect.top(),    tx2, ty1);
@@ -175,10 +175,10 @@ WindowQuadList ShadowItem::buildQuads() const
     }
 
     if (topRightRect.isValid()) {
-        tx1 = 1.0 - topRightRect.width() / width;
+        tx1 = width - topRightRect.width();
         ty1 = 0.0;
-        tx2 = 1.0;
-        ty2 = topRightRect.height() / height;
+        tx2 = width;
+        ty2 = topRightRect.height();
         WindowQuad topRightQuad;
         topRightQuad[0] = WindowVertex(topRightRect.left(),  topRightRect.top(),    tx1, ty1);
         topRightQuad[1] = WindowVertex(topRightRect.right(), topRightRect.top(),    tx2, ty1);
@@ -188,10 +188,10 @@ WindowQuadList ShadowItem::buildQuads() const
     }
 
     if (bottomRightRect.isValid()) {
-        tx1 = 1.0 - bottomRightRect.width() / width;
-        tx2 = 1.0;
-        ty1 = 1.0 - bottomRightRect.height() / height;
-        ty2 = 1.0;
+        tx1 = width - bottomRightRect.width();
+        tx2 = width;
+        ty1 = height - bottomRightRect.height();
+        ty2 = height;
         WindowQuad bottomRightQuad;
         bottomRightQuad[0] = WindowVertex(bottomRightRect.left(),  bottomRightRect.top(),    tx1, ty1);
         bottomRightQuad[1] = WindowVertex(bottomRightRect.right(), bottomRightRect.top(),    tx2, ty1);
@@ -202,9 +202,9 @@ WindowQuadList ShadowItem::buildQuads() const
 
     if (bottomLeftRect.isValid()) {
         tx1 = 0.0;
-        tx2 = bottomLeftRect.width() / width;
-        ty1 = 1.0 - bottomLeftRect.height() / height;
-        ty2 = 1.0;
+        tx2 = bottomLeftRect.width();
+        ty1 = height - bottomLeftRect.height();
+        ty2 = height;
         WindowQuad bottomLeftQuad;
         bottomLeftQuad[0] = WindowVertex(bottomLeftRect.left(),  bottomLeftRect.top(),    tx1, ty1);
         bottomLeftQuad[1] = WindowVertex(bottomLeftRect.right(), bottomLeftRect.top(),    tx2, ty1);
@@ -234,10 +234,10 @@ WindowQuadList ShadowItem::buildQuads() const
     distributeVertically(topRect, bottomRect);
 
     if (topRect.isValid()) {
-        tx1 = shadowMargins.left() / width;
+        tx1 = shadowMargins.left();
         ty1 = 0.0;
-        tx2 = tx1 + top.width() / width;
-        ty2 = topRect.height() / height;
+        tx2 = tx1 + top.width();
+        ty2 = topRect.height();
         WindowQuad topQuad;
         topQuad[0] = WindowVertex(topRect.left(),  topRect.top(),    tx1, ty1);
         topQuad[1] = WindowVertex(topRect.right(), topRect.top(),    tx2, ty1);
@@ -247,10 +247,10 @@ WindowQuadList ShadowItem::buildQuads() const
     }
 
     if (rightRect.isValid()) {
-        tx1 = 1.0 - rightRect.width() / width;
-        ty1 = shadowMargins.top() / height;
-        tx2 = 1.0;
-        ty2 = ty1 + right.height() / height;
+        tx1 = width - rightRect.width();
+        ty1 = shadowMargins.top();
+        tx2 = width;
+        ty2 = ty1 + right.height();
         WindowQuad rightQuad;
         rightQuad[0] = WindowVertex(rightRect.left(),  rightRect.top(),    tx1, ty1);
         rightQuad[1] = WindowVertex(rightRect.right(), rightRect.top(),    tx2, ty1);
@@ -260,10 +260,10 @@ WindowQuadList ShadowItem::buildQuads() const
     }
 
     if (bottomRect.isValid()) {
-        tx1 = shadowMargins.left() / width;
-        ty1 = 1.0 - bottomRect.height() / height;
-        tx2 = tx1 + bottom.width() / width;
-        ty2 = 1.0;
+        tx1 = shadowMargins.left();
+        ty1 = height - bottomRect.height();
+        tx2 = tx1 + bottom.width();
+        ty2 = height;
         WindowQuad bottomQuad;
         bottomQuad[0] = WindowVertex(bottomRect.left(),  bottomRect.top(),    tx1, ty1);
         bottomQuad[1] = WindowVertex(bottomRect.right(), bottomRect.top(),    tx2, ty1);
@@ -274,9 +274,9 @@ WindowQuadList ShadowItem::buildQuads() const
 
     if (leftRect.isValid()) {
         tx1 = 0.0;
-        ty1 = shadowMargins.top() / height;
-        tx2 = leftRect.width() / width;
-        ty2 = ty1 + left.height() / height;
+        ty1 = shadowMargins.top();
+        tx2 = leftRect.width();
+        ty2 = ty1 + left.height();
         WindowQuad leftQuad;
         leftQuad[0] = WindowVertex(leftRect.left(),  leftRect.top(),    tx1, ty1);
         leftQuad[1] = WindowVertex(leftRect.right(), leftRect.top(),    tx2, ty1);