From d949d86ea80488b2912cc2b2fa9e37df6ed44406 Mon Sep 17 00:00:00 2001
From: griffi-gh <prasol258@gmail.com>
Date: Tue, 21 Nov 2023 18:26:39 +0100
Subject: [PATCH] copy over simple init clode

---
 Cargo.lock            |  2 ++
 kubi/Cargo.toml       |  2 ++
 kubi/src/rendering.rs | 40 ++++++++++++++++++++++++++++++++--------
 3 files changed, 36 insertions(+), 8 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index f7c302b..ecaee72 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -948,6 +948,7 @@ dependencies = [
  "glam",
  "glium",
  "glutin",
+ "glutin-winit",
  "hashbrown",
  "image",
  "kubi-logging",
@@ -958,6 +959,7 @@ dependencies = [
  "ndk",
  "nohash-hasher",
  "postcard",
+ "raw-window-handle 0.5.2",
  "rayon",
  "serde_json",
  "shipyard",
diff --git a/kubi/Cargo.toml b/kubi/Cargo.toml
index 48a3c81..e4a5b05 100644
--- a/kubi/Cargo.toml
+++ b/kubi/Cargo.toml
@@ -16,6 +16,8 @@ log = "0.4"
 glium = { git = "https://github.com/glium/glium", rev = "968fc92378caf" }
 glutin = "0.31"
 winit = { version = "0.29", features = ["android-native-activity"] }
+glutin-winit = "0.4"
+raw-window-handle = "0.5"
 glam = { version = "0.24", features = ["debug-glam-assert", "fast-math"] }
 image = { version = "0.24", default_features = false, features = ["png"] }
 strum = { version = "0.25", features = ["derive"] }
diff --git a/kubi/src/rendering.rs b/kubi/src/rendering.rs
index 8438ebb..4431346 100644
--- a/kubi/src/rendering.rs
+++ b/kubi/src/rendering.rs
@@ -1,11 +1,13 @@
+use std::num::NonZeroU32;
+use raw_window_handle::HasRawWindowHandle;
 use shipyard::{Unique, NonSendSync, UniqueView, UniqueViewMut, View, IntoIter, AllStoragesView};
 use winit::{
-  event_loop::EventLoop,
+  event_loop::EventLoopWindowTarget,
   window::{WindowBuilder, Fullscreen, Window},
   dpi::PhysicalSize
 };
-use glium::{Display, Surface, Version, Api, backend::glutin::SimpleWindowBuilder};
-use glutin::surface::WindowSurface;
+use glium::{Display, Surface, Version, Api};
+use glutin::{surface::WindowSurface, display::{GetGlDisplay, GlDisplay}, context::NotCurrentGlContext};
 use glam::{Vec3, UVec2};
 use crate::{events::WindowResizedEvent, settings::{GameSettings, FullscreenMode}};
 
@@ -33,7 +35,7 @@ pub struct Renderer {
 }
 
 impl Renderer {
-  pub fn init(event_loop: &EventLoop<()>, settings: &GameSettings) -> Self {
+  pub fn init(event_loop: &EventLoopWindowTarget<()>, settings: &GameSettings) -> Self {
     log::info!("initializing display");
 
     let wb = WindowBuilder::new()
@@ -82,9 +84,31 @@ impl Renderer {
         }
       });
 
-    let (window, display) = SimpleWindowBuilder::new()
-      .set_window_builder(wb)
-      .build(event_loop);
+    // First we start by opening a new Window
+    let display_builder = glutin_winit::DisplayBuilder::new().with_window_builder(Some(wb));
+    let config_template_builder = glutin::config::ConfigTemplateBuilder::new();
+    let (window, gl_config) = display_builder
+      .build(&event_loop, config_template_builder, |mut configs| {
+        configs.next().unwrap()
+      })
+      .unwrap();
+    let window = window.unwrap();
+
+    // Now we get the window size to use as the initial size of the Surface
+    let (width, height): (u32, u32) = window.inner_size().into();
+    let attrs = glutin::surface::SurfaceAttributesBuilder::<glutin::surface::WindowSurface>::new().build(
+      window.raw_window_handle(),
+      NonZeroU32::new(width).unwrap(),
+      NonZeroU32::new(height).unwrap(),
+    );
+
+    // Finally we can create a Surface, use it to make a PossiblyCurrentContext and create the glium Display
+    let surface = unsafe { gl_config.display().create_window_surface(&gl_config, &attrs).unwrap() };
+    let context_attributes = glutin::context::ContextAttributesBuilder::new().build(Some(window.raw_window_handle()));
+    let current_context = unsafe {
+      gl_config.display().create_context(&gl_config, &context_attributes).expect("failed to create context")
+    }.make_current(&surface).unwrap();
+    let display = Display::from_context_surface(current_context, surface).unwrap();
 
     //TODO MIGRATION
     // let cb = ContextBuilder::new()
@@ -106,7 +130,7 @@ impl Renderer {
     if display.is_context_loss_possible() { log::warn!("OpenGL context loss possible") }
     if display.is_robust() { log::warn!("OpenGL implementation is not robust") }
     if display.is_debug() { log::info!("OpenGL context is in debug mode") }
-    
+
     assert!(display.is_glsl_version_supported(&Version(Api::GlEs, 3, 0)), "GLSL ES 3.0 is not supported");
 
     Self { window, display }