From bb3bd05823e60785c2620482cc5ecaa2dc66798e Mon Sep 17 00:00:00 2001
From: binary1248 <binary1248@hotmail.com>
Date: Wed, 16 May 2018 01:26:17 +0200
Subject: [PATCH] Postpone generation of the RenderTarget ID to
 RenderTarget::initialize() so that a new ID is generated whenever the
 RenderTarget is re-create()ed.

---
 src/SFML/Graphics/RenderTarget.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/SFML/Graphics/RenderTarget.cpp b/src/SFML/Graphics/RenderTarget.cpp
index 7eccf829..59e9e202 100644
--- a/src/SFML/Graphics/RenderTarget.cpp
+++ b/src/SFML/Graphics/RenderTarget.cpp
@@ -129,7 +129,7 @@ RenderTarget::RenderTarget() :
 m_defaultView(),
 m_view       (),
 m_cache      (),
-m_id         (getUniqueId())
+m_id         (0)
 {
     m_cache.glStatesSet = false;
 }
@@ -547,6 +547,10 @@ void RenderTarget::initialize()
 
     // Set GL states only on first draw, so that we don't pollute user's states
     m_cache.glStatesSet = false;
+
+    // Generate a unique ID for this RenderTarget to track
+    // whether it is active within a specific context
+    m_id = getUniqueId();
 }