From ce8ad9098f6478f1694f470bf996a41f0186e692 Mon Sep 17 00:00:00 2001
From: griffi-gh <prasol258@gmail.com>
Date: Tue, 16 May 2023 12:08:56 +0200
Subject: [PATCH] add fullscreen mode, release shader compiler after loading
 shader prefabs

---
 kubi/src/prefabs.rs   |  1 +
 kubi/src/rendering.rs | 56 +++++++++++++++++++++++++++++++++++++++----
 kubi/src/settings.rs  | 11 +++++++++
 3 files changed, 64 insertions(+), 4 deletions(-)

diff --git a/kubi/src/prefabs.rs b/kubi/src/prefabs.rs
index 3598eb2..ba16e81 100644
--- a/kubi/src/prefabs.rs
+++ b/kubi/src/prefabs.rs
@@ -97,4 +97,5 @@ pub fn load_prefabs(
       &renderer.display
     )
   ));
+  renderer.display.release_shader_compiler();
 }
diff --git a/kubi/src/rendering.rs b/kubi/src/rendering.rs
index aa16e02..5c13a09 100644
--- a/kubi/src/rendering.rs
+++ b/kubi/src/rendering.rs
@@ -4,12 +4,12 @@ use glium::{
   Version, Api,
   glutin::{
     event_loop::EventLoop, 
-    window::WindowBuilder, 
-    ContextBuilder, GlProfile
+    window::{WindowBuilder, Fullscreen}, 
+    ContextBuilder, GlProfile,
   }, 
 };
 use glam::{Vec3, UVec2};
-use crate::{events::WindowResizedEvent, settings::GameSettings};
+use crate::{events::WindowResizedEvent, settings::{GameSettings, FullscreenMode}};
 
 pub mod primitives;
 pub mod world;
@@ -31,19 +31,67 @@ pub struct Renderer {
 impl Renderer {
   pub fn init(event_loop: &EventLoop<()>, settings: &GameSettings) -> Self {
     log::info!("initializing display");
+    
     let wb = WindowBuilder::new()
       .with_title("uwu")
+      .with_fullscreen({
+        if let Some(fs_settings) = &settings.fullscreen {
+          let monitor = event_loop.primary_monitor().or_else(|| {
+            event_loop.available_monitors().next()
+          });
+          if let Some(monitor) = monitor {
+            log::info!("monitor: {}", monitor.name().unwrap_or_else(|| "generic".into()));
+            match fs_settings.mode {
+              FullscreenMode::Borderless => {
+                log::info!("starting in borderless fullscreen mode");
+                Some(Fullscreen::Borderless(Some(monitor)))
+              },
+              FullscreenMode::Exclusive => {
+                log::info!("starting in exclusive fullscreen mode");
+                //TODO: grabbing the first video mode is probably not the best idea...
+                monitor.video_modes().next()
+                  .map(|vmode| {
+                    log::info!("video mode: {}", vmode.to_string());
+                    Some(Fullscreen::Exclusive(vmode))
+                  })
+                  .unwrap_or_else(|| {
+                    log::warn!("no valid video modes found, falling back to windowed mode instead");
+                    None
+                  })
+              }
+            }
+          } else {
+            log::warn!("no monitors found, falling back to windowed mode");
+            None
+          }
+        } else {
+          log::info!("starting in windowed mode");
+          None
+        }
+      })
       .with_maximized(true);
+
     let cb = ContextBuilder::new()
       .with_depth_buffer(24)
       .with_multisampling(settings.msaa.unwrap_or_default())
       .with_gl_profile(GlProfile::Core);
+
     let display = Display::new(wb, cb, event_loop)
       .expect("Failed to create a glium Display");
+
+    log::info!("Vendor: {}", display.get_opengl_vendor_string());
     log::info!("Renderer: {}", display.get_opengl_renderer_string());
     log::info!("OpenGL {}", display.get_opengl_version_string());
-    log::info!("Supports GLES {:?}", display.get_supported_glsl_version());
+    log::info!("Supports GLSL {:?}", display.get_supported_glsl_version());
+    if display.is_context_loss_possible() {
+      log::warn!("ogl context loss possible");
+    }
+    if display.is_robust() {
+      log::warn!("ogl implementation is not robust");
+    }
+    
     assert!(display.is_glsl_version_supported(&Version(Api::GlEs, 3, 0)), "GLES 3.0 is not supported");
+
     Self { display }
   }
 }
diff --git a/kubi/src/settings.rs b/kubi/src/settings.rs
index bf6d8f8..9be37c5 100644
--- a/kubi/src/settings.rs
+++ b/kubi/src/settings.rs
@@ -1,7 +1,17 @@
 use shipyard::{Unique, AllStoragesView};
 
+pub enum FullscreenMode {
+  Borderless,
+  Exclusive,
+}
+
+pub struct FullscreenSettings {
+  pub mode: FullscreenMode,
+}
+
 #[derive(Unique)]
 pub struct GameSettings {
+  pub fullscreen: Option<FullscreenSettings>,
   pub msaa: Option<u16>,
   pub max_anisotropy: Option<u16>,
   /// there's a 1 chunk border of loaded but invisible around this
@@ -12,6 +22,7 @@ pub struct GameSettings {
 impl Default for GameSettings {
   fn default() -> Self {
     Self {
+      fullscreen: None,
       msaa: Some(4), //not used yet
       max_anisotropy: Some(16),
       render_distance: 6,