From 3747705a4395fd38a20736cfa630f94e07f95831 Mon Sep 17 00:00:00 2001
From: Thomas Goyne <plorkyeran@aegisub.org>
Date: Sun, 4 Oct 2015 18:19:02 -0700
Subject: [PATCH] Select the OpenGL context when destroying VideoDisplay

This is needed to destroy the correct things when there are multiple
active opengl displays.
---
 src/video_display.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/video_display.cpp b/src/video_display.cpp
index 083307185..2df9ec3c0 100644
--- a/src/video_display.cpp
+++ b/src/video_display.cpp
@@ -126,6 +126,7 @@ VideoDisplay::VideoDisplay(wxToolBar *toolbar, bool freeSize, wxComboBox *zoomBo
 }
 
 VideoDisplay::~VideoDisplay () {
+	Unload();
 	con->videoController->Unbind(EVT_FRAME_READY, &VideoDisplay::UploadFrameData, this);
 }
 
@@ -435,8 +436,11 @@ Vector2D VideoDisplay::GetMousePosition() const {
 }
 
 void VideoDisplay::Unload() {
-	glContext.reset();
+	if (glContext) {
+		SetCurrent(*glContext);
+	}
 	videoOut.reset();
 	tool.reset();
+	glContext.reset();
 	pending_frame.reset();
 }