neater

gb-vst/src/lib.rs

@@ -7,10 +7,12 @@ use gb_emu_lib::{
         AudioOutput, CgbRomType, DownsampleType, EmulatorCoreTrait, EmulatorMessage,
         EmulatorOptions, JoypadButtons, NoCamera, RomFile, SerialTarget,
     },
+    renderer::RendererBackendManager,
     EmulatorCore, HEIGHT, WIDTH,
 };
 use nih_plug::prelude::*;
 use nih_plug::{midi::MidiResult::Basic, params::persist::PersistentField};
+
 use serde::{Deserialize, Serialize};
 use std::{
     path::PathBuf,
@@ -107,6 +109,7 @@ pub struct GameboyEmu {
     frame_receiver: Arc<FrameReceiver>,
     key_handler: Arc<JoypadSender>,
     params: Arc<EmuParams>,
+    renderer_manager: Arc<Mutex<Option<Arc<RendererBackendManager>>>>,
 }
 
 type Frame = Vec<[u8; 4]>;
@@ -247,7 +250,7 @@ impl Plugin for GameboyEmu {
         ProcessStatus::KeepAlive
     }
 
-    fn editor(&mut self, _: AsyncExecutor<Self>) -> Option<Box<dyn Editor>> {
+    fn editor(&mut self, _e: AsyncExecutor<Self>) -> Option<Box<dyn Editor>> {
         let configs = access_config();
 
         let size = Size::new(
@@ -258,6 +261,7 @@ impl Plugin for GameboyEmu {
         Some(Box::new(Emulator::new(
             self.frame_receiver.clone(),
             self.key_handler.clone(),
+            self.renderer_manager.clone(),
             size,
         )))
     }

gb-vst/src/ui.rs

@@ -2,7 +2,7 @@ use std::{
     path::PathBuf,
     sync::{
         mpsc::{self, Receiver, Sender},
-        Arc,
+        Arc, Mutex,
     },
 };
 
@@ -19,6 +19,7 @@ use crate::{access_config, Frame, FrameReceiver, JoypadInfo, JoypadSender, IS_CG
 pub struct Emulator {
     frame_receiver: Arc<FrameReceiver>,
     joypad_sender: Arc<JoypadSender>,
+    manager: Arc<Mutex<Option<Arc<RendererBackendManager>>>>,
     size: Size,
 }
 
@@ -26,11 +27,13 @@ impl Emulator {
     pub fn new(
         frame_receiver: Arc<FrameReceiver>,
         joypad_sender: Arc<JoypadSender>,
+        manager: Arc<Mutex<Option<Arc<RendererBackendManager>>>>,
         size: Size,
     ) -> Self {
         Self {
             frame_receiver,
             joypad_sender,
+            manager,
             size,
         }
     }
@@ -74,6 +77,8 @@ impl Editor for Emulator {
             (HEIGHT * scale_factor) as f64,
         );
 
+        let m = self.manager.clone();
+
         Window::open_parented(
             &parent,
             WindowOpenOptions {
@@ -87,15 +92,18 @@ impl Editor for Emulator {
                     w,
                     fr_cloned,
                     js_cloned,
+                    m,
                     size,
                     #[cfg(feature = "vulkan")]
                     shader_path,
                 )
+                .0
             },
         );
         Box::new(Self::new(
             self.frame_receiver.clone(),
             self.joypad_sender.clone(),
+            self.manager.clone(),
             size,
         ))
     }
@@ -128,9 +136,10 @@ impl EmulatorWindow {
         window: &mut Window,
         frame_receiver: Arc<FrameReceiver>,
         joypad_sender: Arc<JoypadSender>,
+        manager: Arc<Mutex<Option<Arc<RendererBackendManager>>>>,
         size: Size,
         #[cfg(feature = "vulkan")] shader_path: Option<PathBuf>,
-    ) -> Self {
+    ) -> (Self, Arc<RendererBackendManager>) {
         let current_resolution = ResolutionData {
             real_width: size.width as u32,
             real_height: size.height as u32,
@@ -139,29 +148,32 @@ impl EmulatorWindow {
         };
 
         #[cfg(feature = "vulkan")]
-        let (manager, window_options) = {
-            use raw_window_handle::HasRawDisplayHandle;
-            (
-                Arc::new(RendererBackendManager::new(window.raw_display_handle())),
-                WindowOptions { shader_path },
-            )
-        };
+        let window_options = WindowOptions { shader_path };
         #[cfg(feature = "pixels")]
-        let (manager, window_options) =
-            { (Arc::new(RendererBackendManager::new()), WindowOptions {}) };
+        let window_options = WindowOptions {};
 
-        let renderer =
-            RendererBackend::new(current_resolution, window, window_options, manager.clone());
+        let mut guard = manager.lock().unwrap();
 
+        let m = guard.get_or_insert_with(|| {
+            use raw_window_handle::HasRawDisplayHandle;
+            Arc::new(RendererBackendManager::new(window.raw_display_handle()))
+        });
+
+        let renderer = RendererBackend::new(current_resolution, window, window_options, m.clone());
+
+        (
             Self {
                 renderer,
-            manager,
+                manager: m.clone(),
                 frame_receiver,
                 joypad_sender,
                 current_resolution,
-        }
+            },
+            m.clone(),
+        )
     }
 }
+
 impl WindowHandler for EmulatorWindow {
     fn on_frame(&mut self, _window: &mut Window) {
         if let Some(ref mut receiver) = *self.frame_receiver.lock().expect("failed to lock mutex") {
@@ -209,7 +221,6 @@ impl WindowHandler for EmulatorWindow {
                     EventStatus::Ignored
                 }
             }
-            Event::Window(WindowEvent::WillClose) => EventStatus::Ignored,
             _ => EventStatus::Ignored,
         }
     }