fix: blobs now allow to be drawn in device pixels to stay sharp

Plugins/ZShell/Blobs/blobshape2.hpp

@@ -7,12 +7,6 @@
 
 class BlobGroup2;
 
-// Data-only shape.
-//
-// The group draws a single node for the whole group, so a shape here contributes
-// only what the shader needs: position, radii, exclusion, physics. A shape does
-// not create a render node, so no pixel can be evaluated by one shape and missed
-// by another.
 class BlobShape2 : public QQuickItem {
 	Q_OBJECT
 	Q_PROPERTY(BlobGroup2* group READ group WRITE setGroup NOTIFY groupChanged)
@@ -56,8 +50,6 @@ class BlobShape2 : public QQuickItem {
 
 	virtual bool isExcluded(const BlobShape2*) const { return false; }
 
-	// Whether this shape is part of the group's data. Only a pushing shape is, so a shape
-	// at rest has no part in the draw. BlobRect2 also honours the QML atRestOverride.
 	virtual bool isMoving() const { return false; }
 
 	virtual bool isCornerExcluded(const BlobShape2* /*other*/) const {
@@ -66,13 +58,23 @@ class BlobShape2 : public QQuickItem {
 
 	virtual void cornerRadii(float out[4]) const;
 
-	// Called by the group when it rebuilds the shared data, once per frame.
+	virtual void outerCornerRadii(float out[4]) const {
+		out[0] = 0;
+		out[1] = 0;
+		out[2] = 0;
+		out[3] = 0;
+	}
+
 	virtual void updatePhysics() {}
 
+	virtual bool needsFrame() const { return false; }
+
 	virtual void registerWithGroup();
 	virtual void unregisterFromGroup();
 	void updateCenteredDeformMatrix();
 
+	virtual void resetDeformMatrix();
+
 	BlobGroup2* m_group = nullptr;
 	qreal m_radius = 0;
 	QMatrix4x4 m_deformMatrix; // identity by default