From 02773811b35f8cd86b5bb7d48c3321585d7bb293 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Thu, 18 May 2017 21:00:11 -0400
Subject: [PATCH] render: GL_DestroyRender() should activate first.

Otherwise, we might destroy a different GL context's resources.
---
 src/render/opengl/SDL_render_gl.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/render/opengl/SDL_render_gl.c b/src/render/opengl/SDL_render_gl.c
index 449335956..9ad2eb720 100644
--- a/src/render/opengl/SDL_render_gl.c
+++ b/src/render/opengl/SDL_render_gl.c
@@ -1523,6 +1523,11 @@ GL_DestroyRenderer(SDL_Renderer * renderer)
     GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
 
     if (data) {
+        if (data->context != NULL) {
+            /* make sure we delete the right resources! */
+            GL_ActivateRenderer(renderer);
+        }
+
         GL_ClearErrors(renderer);
         if (data->GL_ARB_debug_output_supported) {
             PFNGLDEBUGMESSAGECALLBACKARBPROC glDebugMessageCallbackARBFunc = (PFNGLDEBUGMESSAGECALLBACKARBPROC) SDL_GL_GetProcAddress("glDebugMessageCallbackARB");