M CHANGES → CHANGES

@@ -17,6 +17,7 @@ - Qt: Fix race condition with proxied video events
  - Qt: Force OpenGL paint engine creation thread (fixes mgba.io/i/1642)
  - Qt: Fix color selection in asset view (fixes mgba.io/i/1648)
  - Qt: Fix missing OSD messages
+ - Qt: Fix crash unloading shaders
 
 0.8.0: (2020-01-21)
 Features:

M src/platform/qt/DisplayGL.cpp → src/platform/qt/DisplayGL.cpp

@@ -575,9 +575,18 @@ if (!supportsShaders()) {
 		return;
 	}
 #ifdef BUILD_GLES2
+	if (!m_started) {
+		m_gl->makeCurrent(m_surface);
+#if defined(_WIN32) && defined(USE_EPOXY)
+		epoxy_handle_external_wglMakeCurrent();
+#endif
+	}
 	if (m_shader.passes) {
 		mGLES2ShaderDetach(reinterpret_cast<mGLES2Context*>(m_backend));
 		mGLES2ShaderFree(&m_shader);
+	}
+	if (!m_started) {
+		m_gl->doneCurrent();
 	}
 #endif
 }