- added an OnDestroy method to Shape2D so that its users can explicitly free the data it holds.

In this case it is very important to care about management, because this class will hold GPU-side buffers!

src/common/2d/v_2ddrawer.cpp

@@ -528,8 +528,13 @@ void F2DDrawer::AddTexture(FGameTexture* img, DrawParms& parms)
 	offset = osave;
 }
 
-DShape2D::~DShape2D() {
-	delete lastParms;
+void DShape2D::OnDestroy() {
+	if (lastParms) delete lastParms;
+	lastParms = nullptr;
+	mIndices.Reset();
+	mVertices.Reset();
+	mCoords.Reset();
+	buffers.Reset();
 }
 
 //==========================================================================

src/common/2d/v_2ddrawer.h

@@ -269,7 +269,7 @@ public:
 	bool uploadedOnce = false;
 	DrawParms* lastParms;
 
-	~DShape2D();
+	void OnDestroy() override;
 };