- extended 2D buffer lifetime to the end of the frame

src/common/2d/v_2ddrawer.cpp

@@ -528,13 +528,15 @@ void F2DDrawer::AddTexture(FGameTexture* img, DrawParms& parms)
 	offset = osave;
 }
 
+static TArray<RefCountedPtr<DShape2DBufferInfo>> buffersToDestroy;
+
 void DShape2D::OnDestroy() {
 	if (lastParms) delete lastParms;
 	lastParms = nullptr;
 	mIndices.Reset();
 	mVertices.Reset();
 	mCoords.Reset();
-	bufferInfo = nullptr;
+	buffersToDestroy.Push(std::move(bufferInfo));
 }
 
 //==========================================================================
@@ -1082,6 +1084,17 @@ void F2DDrawer::Clear()
 	screenFade = 1.f;
 }
 
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+void F2DDrawer::OnFrameDone()
+{
+	buffersToDestroy.Clear();
+}
+
 F2DVertexBuffer::F2DVertexBuffer()
 {
 	mVertexBuffer = screen->CreateVertexBuffer();

src/common/2d/v_2ddrawer.h

@@ -216,6 +216,7 @@ public:
 	void Begin(int w, int h) { isIn2D = true; Width = w; Height = h; }
 	void End() { isIn2D = false; }
 	bool HasBegun2D() { return isIn2D; }
+	void OnFrameDone();
 
 	void ClearClipRect() { clipleft = cliptop = 0; clipwidth = clipheight = -1; }
 	void SetClipRect(int x, int y, int w, int h);

src/d_main.cpp

@@ -903,6 +903,7 @@ static void End2DAndUpdate()
 	twod->End();
 	CheckBench();
 	screen->Update();
+	twod->OnFrameDone();
 }
 
 //==========================================================================