grafix_toolbox/kit/opengl/
buffer.rs

1pub use {format::*, mapping::*, vao::*};
2
3pub type AttrArr<D> = ArrObject<Attribute, D>;
4pub type IdxArr<D> = ArrObject<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: ArrObject<T, D>,
12	loc: Cell<u32>,
13}
14impl<T: ShdBuffType, D> ShdArrObj<T, D> {
15	pub fn new(args: impl AllocArgs<D>) -> Self {
16		ArrObject::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<ArrObject<T, D>> for ShdArrObj<T, D> {
25	fn from(array: ArrObject<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) -> ShdArrBinding<Uniform> {
35		let loc = self.loc.take();
36		let (b, l) = ShdArrBinding::<Uniform>::new(self, loc);
37		self.loc.set(l);
38		b
39	}
40}
41impl ShdStorageArr {
42	pub fn Bind(&self, loc: u32) -> Option<ShdArrBinding<ShdStorage>> {
43		ShdArrBinding::<ShdStorage>::new(self, loc)
44	}
45}
46
47pub struct ShdArrBinding<'l, T: ShdBuffType> {
48	t: Dummy<&'l T>,
49	pub l: u32,
50}
51impl<'l> ShdArrBinding<'l, Uniform> {
52	pub 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> ShdArrBinding<'l, ShdStorage> {
58	pub fn new(o: &'l ShdStorageArr, loc: u32) -> Option<Self> {
59		if UniformState::<ShdStorage>::BindLocation(o.array.obj, loc) {
60			Some(Self { t: Dummy, l: loc })
61		} else {
62			None
63		}
64	}
65}
66impl<T: ShdBuffType> Clone for ShdArrBinding<'_, T> {
67	fn clone(&self) -> Self {
68		let &Self { t, l } = self;
69		UniformState::<T>::Clone(l);
70		Self { t, l }
71	}
72}
73impl<T: ShdBuffType> Drop for ShdArrBinding<'_, T> {
74	fn drop(&mut self) {
75		UniformState::<T>::Unbind(self.l);
76	}
77}
78
79mod args;
80mod format;
81mod mapping;
82mod vao;
83mod vao_args;
84
85use {super::internal::*, crate::lib::*, args::*};
grafix_toolbox/kit/opengl/buffer.rs

grafix_toolbox/kit/opengl/
buffer.rs
