Add display manager instance which hands relevant information to emugl layer

src/anbox/graphics/gl_renderer_server.cpp

@@ -46,6 +46,7 @@ GLRendererServer::GLRendererServer(const std::shared_ptr<WindowCreator> &window_
         BOOST_THROW_EXCEPTION(std::runtime_error("Failed to initialize OpenGL renderer"));
 
     registerSubWindowHandler(window_creator_);
+    registerDisplayManager(window_creator_);
 }
 
 GLRendererServer::~GLRendererServer() {
@@ -81,14 +82,6 @@ void GLRendererServer::start() {
         BOOST_THROW_EXCEPTION(std::runtime_error("Failed to setup OpenGL renderer"));
 
     socket_path_ = server_addr;
-
-#if 0
-    // Create the window we use for rendering the output we get from the
-    // Android container. This will internally construct a Mir surface
-    // and use the host EGL/GLES libraries for rendering.
-    if (!showOpenGLSubwindow(0, 0, 0, width, height, width, height, 1.0f, 0))
-        BOOST_THROW_EXCEPTION(std::runtime_error("Failed to setup GL based window"));
-#endif
 }
 
 std::string GLRendererServer::socket_path() const {

src/anbox/graphics/window_creator.h

@@ -19,23 +19,19 @@
 #define ANBOX_GRAPHICS_WINDOW_CREATOR_H_
 
 #include "external/android-emugl/host/libs/libOpenglRender/NativeSubWindow.h"
+#include "external/android-emugl/host/libs/libOpenglRender/DisplayManager.h"
 
 namespace anbox {
 namespace input {
 class Manager;
 } // namespace input
 namespace graphics {
-class WindowCreator : public SubWindowHandler {
+class WindowCreator : public SubWindowHandler,
+                      public DisplayManager {
 public:
     WindowCreator(const std::shared_ptr<input::Manager> &input_manager);
     virtual ~WindowCreator();
 
-    struct DisplayInfo {
-        int horizontal_resolution;
-        int vertical_resolution;
-    };
-
-    virtual DisplayInfo display_info() const = 0;
     virtual EGLNativeDisplayType native_display() const = 0;
 
 protected: