9 files changed, 49 insertions, 8 deletions
diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 57ed32a..a98dcf8 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -2,6 +2,8 @@
 
 * Bump minor version;
 
+* Free resources;
+
 # 0.2.0
 
 * Embed shaders;
diff --git a/source/dw.rs b/source/dw.rs
index b09c2e6..70ac3f8 100644
--- a/source/dw.rs
+++ b/source/dw.rs
@@ -12,12 +12,26 @@ pub const VER: VerTyp = VerTyp {
 	pat: 0x0,
 };
 
+#[allow(dead_code)]
+pub struct Pos<T> {
+	x: T,
+	y: T,
+	z: T,
+}
+
+#[allow(dead_code)]
+pub struct Cub {
+	//pos
+}
+
 pub const fn datpth() -> &'static str {
 	if cfg!(unix) {
 		//return "/usr/share/local/deltaworld";
 		return "/home/delta/Repositories/deltaworld"
 	}
-	return "";
+	else {
+		panic!("data directory not found");
+	}
 }
 
 pub mod app;
diff --git a/source/dw/app.rs b/source/dw/app.rs
index ffd44fb..3fbc61f 100644
--- a/source/dw/app.rs
+++ b/source/dw/app.rs
@@ -20,6 +20,7 @@ pub struct App {
 static mut GOTINT: AtomicBool = AtomicBool::new(false);
 
 pub mod getshdprg;
+pub mod end;
 pub mod ini;
 pub mod inigfx;
 pub mod inisig;
diff --git a/source/dw/app/end.rs b/source/dw/app/end.rs
new file mode 100644
index 0000000..1ada74b
--- /dev/null
+++ b/source/dw/app/end.rs
@@ -0,0 +1,19 @@
+// Copyright 2023 Gabriel Jensen.
+
+use crate::dw::app::{App, Gfx};
+
+extern crate gl;
+
+use gl::{DeleteProgram};
+
+impl App {
+	pub fn end(&mut self,gfx: &mut Gfx) {
+		eprintln!("ending");
+
+		unsafe {
+			DeleteProgram(gfx.shdprg);
+		}
+
+		// GLFW is automatically "destroyed".
+	}
+}
diff --git a/source/dw/app/ini.rs b/source/dw/app/ini.rs
index f498538..5f4c535 100644
--- a/source/dw/app/ini.rs
+++ b/source/dw/app/ini.rs
@@ -17,6 +17,8 @@ impl App {
 
 		let cod = self.lop(&mut gfx);
 
+		self.end(&mut gfx);
+
 		println!("goodbye");
 		eprintln!("exiting with code {}", cod);
 		return cod;
diff --git a/source/dw/app/inigfx.rs b/source/dw/app/inigfx.rs
index ec8e0a0..d137c5a 100644
--- a/source/dw/app/inigfx.rs
+++ b/source/dw/app/inigfx.rs
@@ -22,9 +22,9 @@ impl App {
 
 		let (mut win, evt) = glfw.create_window(0x400, 0x300, format!("DeltaWorld {}.{}.{}", VER.maj, VER.min, VER.pat).as_str(), glfw::WindowMode::Windowed).expect("unable to create window");
 		win.set_key_polling(true);
-		win.make_current();
 
 		eprintln!("initialising opengl");
+		win.make_current();
 		load_with(|nam| glfw.get_proc_address_raw(nam) as *const c_void);
 
 		glfw.set_swap_interval(SwapInterval::Sync(0x1));
diff --git a/source/dw/app/lop.rs b/source/dw/app/lop.rs
index d18415f..0a8f36b 100644
--- a/source/dw/app/lop.rs
+++ b/source/dw/app/lop.rs
@@ -6,7 +6,7 @@ use crate::dw::app::Gfx;
 extern crate gl;
 extern crate glfw;
 
-use gl::{ARRAY_BUFFER, BindBuffer, BufferData, BindVertexArray, BufferSubData, Clear, ClearColor, COLOR_BUFFER_BIT, DrawArrays, EnableVertexAttribArray, FALSE, FLOAT, GenBuffers, GenVertexArrays, STREAM_DRAW, TRIANGLES, UseProgram, VertexAttribPointer};
+use gl::{ARRAY_BUFFER, BindBuffer, BufferData, BindVertexArray, BufferSubData, Clear, ClearColor, COLOR_BUFFER_BIT, DrawArrays, EnableVertexAttribArray, FALSE, FLOAT, GenBuffers, GenVertexArrays, STREAM_DRAW, TRIANGLES, UseProgram, VertexAttribPointer, Viewport};
 use gl::types::{GLfloat, GLsizeiptr, GLuint};
 use glfw::Context;
 use std::ffi::c_void;
@@ -19,9 +19,9 @@ impl App {
 		eprintln!("entering main loop");
 
 		let vtx: [GLfloat; 0x9] = [
-			-1.0, 1.0, 0.0,
-			 1.0, 1.0, 0.0,
-			 0.0, 0.0, 0.0,
+			-0.707,-0.707, -0.707,
+			-0.707, 0.707, -0.707,
+			 0.707,-0.707, -0.707,
 		];
 
 		let mut vao: GLuint = 0x0;
@@ -51,6 +51,9 @@ impl App {
 			gfx.glfw.poll_events();
 
 			unsafe {
+				let (frmwdh, frmhgh) = gfx.win.get_framebuffer_size();
+				Viewport(0x0,0x0,frmwdh,frmhgh);
+
 				ClearColor(0.107, 0.690, 0.939, 1.0);
 				Clear(COLOR_BUFFER_BIT);
 
diff --git a/source/dw/app/shader/main.frag.glsl b/source/dw/app/shader/main.frag.glsl
index b3da28d..6f14883 100644
--- a/source/dw/app/shader/main.frag.glsl
+++ b/source/dw/app/shader/main.frag.glsl
@@ -2,6 +2,6 @@
 
 out vec4 col;
 
-void main() {
+void main(void) {
 	col = vec4(0.409f, 0.805f, 0.210f, 1.0f);
 }
diff --git a/source/dw/app/shader/main.vert.glsl b/source/dw/app/shader/main.vert.glsl
index a60e9ca..16df6f0 100644
--- a/source/dw/app/shader/main.vert.glsl
+++ b/source/dw/app/shader/main.vert.glsl
@@ -2,6 +2,6 @@
 
 in vec3 pos;
 
-void main() {
+void main(void) {
 	gl_Position = vec4(pos.x, pos.y, pos.z, 1.0f);
 }