From c22957f6784192a389647d42888ae5892d5e9016 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Wed, 29 Mar 2023 00:42:01 +0900
Subject: [PATCH] internal/graphicsdriver/directx: dispose a screen image
 explicitly

A screen image in DirectX 12 should not include any buffers to release
so there is not a bug, but disposing it explicitly when resizing the
window should be polite.
---
 internal/graphicsdriver/directx/graphics12_windows.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/internal/graphicsdriver/directx/graphics12_windows.go b/internal/graphicsdriver/directx/graphics12_windows.go
index c814ee9c8..9d2410471 100644
--- a/internal/graphicsdriver/directx/graphics12_windows.go
+++ b/internal/graphicsdriver/directx/graphics12_windows.go
@@ -994,6 +994,11 @@ func (g *graphics12) NewImage(width, height int) (graphicsdriver.Image, error) {
 }
 
 func (g *graphics12) NewScreenFramebufferImage(width, height int) (graphicsdriver.Image, error) {
+	if g.screenImage != nil {
+		g.screenImage.Dispose()
+		g.screenImage = nil
+	}
+
 	if err := g.updateSwapChain(width, height); err != nil {
 		return nil, err
 	}