grafix_toolbox/kit/opengl/
buffer.rs

1pub use {format::*, mapping::*};
2
3pub type AttrArr<D> = ArrObj<Attribute, D>;
4pub type IdxArr<D> = ArrObj<Index, D>;
5
6pub type UniformArr = ShdArrObj<Uniform, f32>;
7pub type ShdStorageArr = ShdArrObj<ShdStorage, f32>;
8
9#[derive(Debug)]
10pub struct ShdArrObj<T: ShdBuffType, D> {
11	pub array: ArrObj<T, D>,
12	loc: Cell<u32>,
13}
14impl<T: ShdBuffType, D> ShdArrObj<T, D> {
15	pub fn new(args: impl AllocArgs<D>) -> Self {
16		ArrObj::new(args).into()
17	}
18}
19impl<T: ShdBuffType, D> Drop for ShdArrObj<T, D> {
20	fn drop(&mut self) {
21		UniformState::<T>::drop(self.array.obj);
22	}
23}
24impl<T: ShdBuffType, D> From<ArrObj<T, D>> for ShdArrObj<T, D> {
25	fn from(array: ArrObj<T, D>) -> Self {
26		let (size, max) = (array.size(), T::max_size());
27		if size > max {
28			FAIL!("GL {} buffer({}|{size}) exceeds maximum size {max}", type_name::<T>(), array.obj);
29		}
30		Self { array, loc: Def() }
31	}
32}
33impl UniformArr {
34	pub fn Bind(&self) -> ShdArrBind<Uniform> {
35		let loc = self.loc.take();
36		let (b, l) = ShdArrBind::<Uniform>::new(self, loc);
37		self.loc.set(l);
38		b
39	}
40}
41impl ShdStorageArr {
42	pub fn Bind(&self, loc: u32) -> Option<ShdArrBind<ShdStorage>> {
43		ShdArrBind::<ShdStorage>::new(self, loc)
44	}
45}
46
47pub struct ShdArrBind<'l, T: ShdBuffType> {
48	t: Dummy<&'l T>,
49	pub l: u32,
50}
51impl<'l> ShdArrBind<'l, Uniform> {
52	fn new(o: &'l UniformArr, hint: u32) -> (Self, u32) {
53		let l = UniformState::<Uniform>::Bind(o.array.obj, hint);
54		(Self { t: Dummy, l }, l)
55	}
56}
57impl<'l> ShdArrBind<'l, ShdStorage> {
58	fn new(o: &'l ShdStorageArr, loc: u32) -> Option<Self> {
59		if !UniformState::<ShdStorage>::BindLocation(o.array.obj, loc) {
60			None?
61		}
62		Self { t: Dummy, l: loc }.into()
63	}
64}
65impl<T: ShdBuffType> Clone for ShdArrBind<'_, T> {
66	fn clone(&self) -> Self {
67		let Self { t, l } = *self;
68		UniformState::<T>::Clone(l);
69		Self { t, l }
70	}
71}
72impl<T: ShdBuffType> Drop for ShdArrBind<'_, T> {
73	fn drop(&mut self) {
74		UniformState::<T>::Unbind(self.l);
75	}
76}
77
78mod args;
79mod format;
80mod mapping;
81
82use {super::internal::*, crate::lib::*, args::*};
grafix_toolbox/kit/opengl/buffer.rs

grafix_toolbox/kit/opengl/
buffer.rs
