Hand EGL native display into renderer to not use default display

src/anbox/graphics/gl_renderer_server.cpp

@@ -72,7 +72,7 @@ void GLRendererServer::start() {
     // The width & height we supply here are the dimensions the internal framebuffer
     // will use. Making this static prevents us for now to resize the window we create
     // later for the actual display.
-    if (!initOpenGLRenderer(width, height, true, server_addr, sizeof(server_addr), log_funcs, logger_write))
+    if (!initOpenGLRenderer(window_creator_->native_display(), width, height, true, server_addr, sizeof(server_addr), log_funcs, logger_write))
         BOOST_THROW_EXCEPTION(std::runtime_error("Failed to setup OpenGL renderer"));
 
     socket_path_ = server_addr;

src/anbox/graphics/window_creator.h

@@ -36,6 +36,7 @@ public:
     };
 
     virtual DisplayInfo display_info() const = 0;
+    virtual EGLNativeDisplayType native_display() const = 0;
 
 protected:
     std::shared_ptr<input::Manager> input_manager_;

src/anbox/ubuntu/window_creator.cpp

@@ -54,5 +54,9 @@ void WindowCreator::destroy_window(EGLNativeWindowType win) {
 WindowCreator::DisplayInfo WindowCreator::display_info() const {
     return {display_->horizontal_resolution(), display_->vertical_resolution()};
 }
+
+EGLNativeDisplayType WindowCreator::native_display() const {
+    return  display_->native_display();
+}
 } // namespace bridge
 } // namespace anbox

src/anbox/ubuntu/window_creator.h

@@ -37,6 +37,7 @@ public:
     void destroy_window(EGLNativeWindowType win) override;
 
     DisplayInfo display_info() const override;
+    EGLNativeDisplayType native_display() const override;
 
 private:
     std::shared_ptr<input::Manager> input_manager_;