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use super::{loader::BlockRef, repo::BLOCK_SIZE};
use crate::types::*;
use arrayvec::ArrayVec;
use hal::prelude::*;
use rendy_memory::{Allocator, Block};
use std::{iter::once, mem::ManuallyDrop};
pub struct TexturesBlock<B: Block<back::Backend>> {
pub id: BlockRef,
pub descriptor_set: ManuallyDrop<RDescriptorSet>,
pub imgs: ArrayVec<[LoadedImage<B>; BLOCK_SIZE]>,
}
impl<B: Block<back::Backend>> TexturesBlock<B> {
pub fn deactivate<T: Allocator<back::Backend, Block = B>>(
mut self,
device: &mut Device,
tex_alloc: &mut T,
desc_alloc: &mut DescriptorAllocator,
) {
unsafe {
use std::ptr::read;
// Descriptor set
desc_alloc.free(once(read(&*self.descriptor_set)));
// Images
self.imgs
.drain(..)
.map(|x| x.deactivate(device, tex_alloc))
.for_each(|_| {});
}
}
}
pub struct LoadedImage<B: Block<back::Backend>> {
pub mem: ManuallyDrop<B>,
pub img: ManuallyDrop<Image>,
pub img_view: ManuallyDrop<ImageView>,
pub sampler: ManuallyDrop<Sampler>,
pub row_size: usize,
pub height: u32,
pub width: u32,
}
impl<B: Block<back::Backend>> LoadedImage<B> {
pub fn deactivate<T: Allocator<back::Backend, Block = B>>(
self,
device: &mut Device,
alloc: &mut T,
) {
unsafe {
use std::ptr::read;
device.destroy_image_view(read(&*self.img_view));
device.destroy_image(read(&*self.img));
device.destroy_sampler(read(&*self.sampler));
alloc.free(device, read(&*self.mem));
}
}
}
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