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// Copyright (C) 2019 Oscar Shrimpton
// This program is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option)
// any later version.
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
// more details.
// You should have received a copy of the GNU General Public License along
// with this program. If not, see <http://www.gnu.org/licenses/>.
//! Renders a world to a window.
//!
//! You'll need to pick a backend using features. You should only pick one.
//! On Linux & Windows, you should use vulkan.
//! On Mac, you should use `metal`.
//! If you're targetting machines without Vulkan, OpenGL or dx11/dx12 is preferred.
//! `empty` is used for testing
#![feature(manually_drop_take)]
extern crate core;
#[cfg(feature = "dx11")]
extern crate gfx_backend_dx11 as back;
#[cfg(feature = "dx12")]
extern crate gfx_backend_dx12 as back;
#[cfg(feature = "gl")]
extern crate gfx_backend_gl as back;
#[cfg(feature = "metal")]
extern crate gfx_backend_metal as back;
#[cfg(feature = "vulkan")]
extern crate gfx_backend_vulkan as back;
#[macro_use]
extern crate log;
extern crate gfx_hal as hal;
extern crate stockton_types;
extern crate shaderc;
extern crate winit;
extern crate arrayvec;
mod error;
pub mod draw;
use error::{CreationError, FrameError};
use draw::{RenderingContext, Tri2};
use stockton_types::{World, Vector2};
use std::sync::{Arc, RwLock};
pub struct Renderer<'a> {
world: Arc<RwLock<World<'a>>>,
pub context: RenderingContext<'a>
}
impl<'a> Renderer<'a> {
/// Create a new Renderer.
/// This initialises all the vulkan context, etc needed.
pub fn new(world: Arc<RwLock<World<'a>>>) -> Result<Self, CreationError> {
let context = RenderingContext::new()?;
Ok(Renderer {
world, context
})
}
/// Render a single frame of the world
pub fn render_frame(&mut self) -> Result<(), FrameError>{
self.context.draw_vertices().unwrap();
Ok(())
}
}
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