1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51

// Copyright Jeron A. Lau 2017 - 2018.
// Dual-licensed under either the MIT License or the Boost Software License,
// Version 1.0.  (See accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)

//! Interface with the GPU to render graphics or do fast calculations.

extern crate adi_gpu_base;

pub use adi_gpu_base::*;

/// Create a new Vulkan / OpenGL Display.
pub fn new_display(title: &str, icon: afi::Video)
	-> Result<Box<Display>, String>
{
	let mut err = "".to_string();

	// Try Vulkan first.
	#[cfg(any(
		target_os="macos", target_os="android", target_os="linux",
		target_os="windows", target_os="nintendo_switch"
	))]
	{
		extern crate adi_gpu_vulkan;

		match adi_gpu_vulkan::new(title, &icon) {
			Ok(vulkan) => return Ok(vulkan),
			Err(vulkan) => err.push_str(&vulkan),
		}
		err.push('\n');
	}

	// Fallback on OpenGL/OpenGLES
	#[cfg(any(
		target_os="android", target_os="linux", target_os="windows",
		target_os="web"
	))]
	{
		extern crate adi_gpu_opengl;

		match adi_gpu_opengl::new(title, &icon) {
			Ok(opengl) => return Ok(opengl),
			Err(opengl) => err.push_str(opengl),
		}
		err.push('\n');
	}

	// Give up
	err.push_str("No more backend options");
	Err(err)
}