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#[cfg(feature = "gfx-backend-dx11")]
extern crate gfx_backend_dx11 as back;
#[cfg(feature = "gfx-backend-dx12")]
extern crate gfx_backend_dx12 as back;
#[cfg(not(any(
feature = "gfx-backend-vulkan",
feature = "gfx-backend-dx11",
feature = "gfx-backend-dx12",
feature = "gfx-backend-metal",
feature = "gfx-backend-gl",
)))]
extern crate gfx_backend_empty as back;
#[cfg(feature = "gfx-backend-metal")]
extern crate gfx_backend_metal as back;
#[cfg(feature = "gfx-backend-vulkan")]
extern crate gfx_backend_vulkan as back;
#[cfg(feature = "gfx-backend-gl")]
extern crate gfx_backend_gl as back;
mod binding_model;
mod command;
mod conv;
mod device;
mod hub;
mod instance;
mod pipeline;
mod resource;
mod swap_chain;
mod track;
mod id;
pub use self::binding_model::*;
pub use self::command::*;
pub use self::device::*;
#[cfg(not(feature = "local"))]
pub use self::hub::{Access, IdentityManager, Registry, Token, HUB};
pub use self::instance::*;
pub use self::pipeline::*;
pub use self::resource::*;
pub use self::swap_chain::*;
pub use self::id::*;
pub use hal::pso::read_spirv;
#[cfg(feature = "glutin")]
pub use back::glutin;
use std::{
os::raw::c_char,
ptr,
sync::atomic::{AtomicUsize, Ordering},
};
type SubmissionIndex = usize;
pub(crate) type Index = u32;
pub(crate) type Epoch = u32;
pub type BufferAddress = u64;
pub type RawString = *const c_char;
#[derive(Debug)]
pub struct RefCount(ptr::NonNull<AtomicUsize>);
unsafe impl Send for RefCount {}
unsafe impl Sync for RefCount {}
impl RefCount {
const MAX: usize = 1 << 24;
fn load(&self) -> usize {
unsafe { self.0.as_ref() }.load(Ordering::Acquire)
}
}
impl Clone for RefCount {
fn clone(&self) -> Self {
let old_size = unsafe { self.0.as_ref() }.fetch_add(1, Ordering::Relaxed);
assert!(old_size < Self::MAX);
RefCount(self.0)
}
}
impl Drop for RefCount {
fn drop(&mut self) {
if unsafe { self.0.as_ref() }.fetch_sub(1, Ordering::Relaxed) == 1 {
let _ = unsafe { Box::from_raw(self.0.as_ptr()) };
}
}
}
#[derive(Debug)]
struct LifeGuard {
ref_count: RefCount,
submission_index: AtomicUsize,
}
impl LifeGuard {
fn new() -> Self {
let bx = Box::new(AtomicUsize::new(1));
LifeGuard {
ref_count: RefCount(ptr::NonNull::new(Box::into_raw(bx)).unwrap()),
submission_index: AtomicUsize::new(0),
}
}
}
#[derive(Clone, Debug)]
struct Stored<T> {
value: T,
ref_count: RefCount,
}
#[repr(C)]
#[derive(Clone, Copy, Debug)]
pub struct Color {
pub r: f64,
pub g: f64,
pub b: f64,
pub a: f64,
}
impl Color {
pub const TRANSPARENT: Self = Color {
r: 0.0,
g: 0.0,
b: 0.0,
a: 0.0,
};
pub const BLACK: Self = Color {
r: 0.0,
g: 0.0,
b: 0.0,
a: 1.0,
};
pub const WHITE: Self = Color {
r: 1.0,
g: 1.0,
b: 1.0,
a: 1.0,
};
pub const RED: Self = Color {
r: 1.0,
g: 0.0,
b: 0.0,
a: 1.0,
};
pub const GREEN: Self = Color {
r: 0.0,
g: 1.0,
b: 0.0,
a: 1.0,
};
pub const BLUE: Self = Color {
r: 0.0,
g: 0.0,
b: 1.0,
a: 1.0,
};
}
#[repr(C)]
#[derive(Clone, Copy, Debug)]
pub struct Origin3d {
pub x: f32,
pub y: f32,
pub z: f32,
}
impl Origin3d {
pub const ZERO: Self = Origin3d {
x: 0.0,
y: 0.0,
z: 0.0,
};
}
impl Default for Origin3d {
fn default() -> Self {
Origin3d::ZERO
}
}
#[repr(C)]
#[derive(Clone, Copy, Debug)]
pub struct Extent3d {
pub width: u32,
pub height: u32,
pub depth: u32,
}
#[repr(C)]
#[derive(Debug)]
pub struct U32Array {
pub bytes: *const u32,
pub length: usize,
}