Fix graphical artifacts after changing only texture

If the size of the texture changes, but subrect stays the same, the
geometry changed and is now dirty.

Change-Id: I5a4de88fd3f788a686fb2186185da2a0a3faad82
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
 

2 files changed, 5 insertions, 0 deletions

diff --git a/src/quick/scenegraph/util/qsgdefaultimagenode.cpp b/src/quick/scenegraph/util/qsgdefaultimagenode.cpp
index 7186ee4265..48ec8f01d3 100644
--- a/src/quick/scenegraph/util/qsgdefaultimagenode.cpp
+++ b/src/quick/scenegraph/util/qsgdefaultimagenode.cpp
@@ -156,6 +156,10 @@ void QSGDefaultImageNode::setTexture(QSGTexture *texture)
     m_isAtlasTexture = texture->isAtlasTexture();
     if (wasAtlas || m_isAtlasTexture)
         dirty |= DirtyGeometry;
+    // The geometry has also changed if the texture size changed.
+    if (m_textureSize != texture->textureSize())
+        dirty |= DirtyGeometry;
+    m_textureSize = texture->textureSize();
     markDirty(dirty);
 }
 
diff --git a/src/quick/scenegraph/util/qsgdefaultimagenode_p.h b/src/quick/scenegraph/util/qsgdefaultimagenode_p.h
index cb23e759d3..7b26daf541 100644
--- a/src/quick/scenegraph/util/qsgdefaultimagenode_p.h
+++ b/src/quick/scenegraph/util/qsgdefaultimagenode_p.h
@@ -95,6 +95,7 @@ private:
     QSGTextureMaterial m_material;
     QRectF m_rect;
     QRectF m_sourceRect;
+    QSize m_textureSize;
     TextureCoordinatesTransformMode m_texCoordMode;
     uint m_isAtlasTexture : 1;
     uint m_ownsTexture : 1;