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// Copyright 2023 Gabriel Jensen.
use crate::dw::VER;
use crate::dw::app::{App, Gfx};
extern crate gl;
extern crate glfw;
use gl::{GetUniformLocation, load_with};
use gl::types::{GLchar, GLint};
use glfw::{Context, FAIL_ON_ERRORS, init, SwapInterval, WindowHint};
use std::ffi::c_void;
impl App {
pub fn inigfx(&mut self) -> Gfx {
eprintln!("initialising glfw");
let mut glfw = init(FAIL_ON_ERRORS).unwrap();
eprintln!("creating window");
glfw.window_hint(WindowHint::ContextVersion(0x3, 0x2));
glfw.window_hint(WindowHint::OpenGlProfile(glfw::OpenGlProfileHint::Core));
glfw.window_hint(WindowHint::Samples(Some(0x8)));
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);
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));
let shdprg = self.getshdprg();
let uni: GLint = unsafe {
GetUniformLocation(shdprg, b"scl\x00".as_ptr() as *const GLchar)
};
return Gfx {
evt: evt,
glfw: glfw,
shdprg: shdprg,
uni: uni,
win: win,
};
}
}
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