diff options
Diffstat (limited to 'stockton-render/src/texture/repo.rs')
| -rw-r--r-- | stockton-render/src/texture/repo.rs | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/stockton-render/src/texture/repo.rs b/stockton-render/src/texture/repo.rs deleted file mode 100644 index 341d355..0000000 --- a/stockton-render/src/texture/repo.rs +++ /dev/null @@ -1,199 +0,0 @@ -use super::{ - block::TexturesBlock, - load::TextureLoadConfig, - loader::{BlockRef, LoaderRequest, TextureLoader, TextureLoaderRemains, NUM_SIMULTANEOUS_CMDS}, - resolver::TextureResolver, -}; -use crate::error::LockPoisoned; -use crate::queue_negotiator::QueueFamilySelector; -use crate::types::*; - -use std::{ - array::IntoIter, - collections::HashMap, - iter::empty, - mem::ManuallyDrop, - sync::{ - mpsc::{channel, Receiver, Sender}, - Arc, RwLock, RwLockReadGuard, - }, - thread::JoinHandle, -}; - -use anyhow::{Context, Result}; -use hal::{ - pso::{DescriptorSetLayoutBinding, DescriptorType, ImageDescriptorType, ShaderStageFlags}, - queue::family::QueueFamilyId, -}; -use log::debug; - -/// The number of textures in one 'block' -/// The textures of the loaded file are divided into blocks of this size. -/// Whenever a texture is needed, the whole block its in is loaded. -pub const BLOCK_SIZE: usize = 8; - -pub struct TextureRepo { - joiner: ManuallyDrop<JoinHandle<Result<TextureLoaderRemains>>>, - ds_layout: Arc<RwLock<DescriptorSetLayoutT>>, - req_send: Sender<LoaderRequest>, - resp_recv: Receiver<TexturesBlock<DynamicBlock>>, - blocks: HashMap<BlockRef, Option<TexturesBlock<DynamicBlock>>>, -} - -impl TextureRepo { - pub fn new<R: 'static + TextureResolver + Send + Sync>( - device_lock: Arc<RwLock<DeviceT>>, - family: QueueFamilyId, - queue: Arc<RwLock<QueueT>>, - adapter: &Adapter, - config: TextureLoadConfig<R>, - ) -> Result<Self> { - // Create Channels - let (req_send, req_recv) = channel(); - let (resp_send, resp_recv) = channel(); - let device = device_lock - .write() - .map_err(|_| LockPoisoned::Device) - .context("Error getting device lock")?; - - // Create descriptor set layout - let ds_lock = Arc::new(RwLock::new( - unsafe { - device.create_descriptor_set_layout( - IntoIter::new([ - DescriptorSetLayoutBinding { - binding: 0, - ty: DescriptorType::Image { - ty: ImageDescriptorType::Sampled { - with_sampler: false, - }, - }, - count: BLOCK_SIZE, - stage_flags: ShaderStageFlags::FRAGMENT, - immutable_samplers: false, - }, - DescriptorSetLayoutBinding { - binding: 1, - ty: DescriptorType::Sampler, - count: BLOCK_SIZE, - stage_flags: ShaderStageFlags::FRAGMENT, - immutable_samplers: false, - }, - ]), - empty(), - ) - } - .context("Error creating descriptor set layout")?, - )); - - debug!("Created descriptor set layout {:?}", ds_lock); - - drop(device); - - let joiner = { - let loader = TextureLoader::new( - adapter, - device_lock.clone(), - (family, queue), - ds_lock.clone(), - (req_recv, resp_send), - config, - )?; - - std::thread::spawn(move || loader.loop_until_exit()) - }; - - Ok(TextureRepo { - joiner: ManuallyDrop::new(joiner), - ds_layout: ds_lock, - blocks: HashMap::new(), - req_send, - resp_recv, - }) - } - - pub fn get_ds_layout(&self) -> Result<RwLockReadGuard<DescriptorSetLayoutT>> { - self.ds_layout - .read() - .map_err(|_| LockPoisoned::Other) - .context("Error locking descriptor set layout") - } - - pub fn queue_load(&mut self, block_id: BlockRef) -> Result<()> { - if self.blocks.contains_key(&block_id) { - return Ok(()); - } - - self.force_queue_load(block_id) - } - - pub fn force_queue_load(&mut self, block_id: BlockRef) -> Result<()> { - self.req_send - .send(LoaderRequest::Load(block_id)) - .context("Error queuing texture block load")?; - - self.blocks.insert(block_id, None); - - Ok(()) - } - - pub fn attempt_get_descriptor_set(&mut self, block_id: BlockRef) -> Option<&DescriptorSetT> { - self.blocks - .get(&block_id) - .and_then(|opt| opt.as_ref().map(|z| z.descriptor_set.raw())) - } - - pub fn process_responses(&mut self) { - let resp_iter: Vec<_> = self.resp_recv.try_iter().collect(); - for resp in resp_iter { - debug!("Got block {:?} back from loader", resp.id); - self.blocks.insert(resp.id, Some(resp)); - } - } - - pub fn deactivate(mut self, device_lock: &Arc<RwLock<DeviceT>>) { - unsafe { - use std::ptr::read; - - // Join the loader thread - self.req_send.send(LoaderRequest::End).unwrap(); - let mut remains = read(&*self.joiner).join().unwrap().unwrap(); - - // Process any ones that just got done loading - self.process_responses(); - - // Only now can we lock device without deadlocking - let mut device = device_lock.write().unwrap(); - - // Return all the texture memory and descriptors. - for (_, v) in self.blocks.drain() { - if let Some(block) = v { - block.deactivate( - &mut device, - &mut *remains.tex_allocator, - &mut remains.descriptor_allocator, - ); - } - } - - // Dispose of both allocators - read(&*remains.tex_allocator).dispose(); - read(&*remains.descriptor_allocator).dispose(&device); - - // Deactivate DS Layout - let ds_layout = Arc::try_unwrap(self.ds_layout) - .unwrap() - .into_inner() - .unwrap(); - device.destroy_descriptor_set_layout(ds_layout); - } - } -} - -pub struct TexLoadQueue; - -impl QueueFamilySelector for TexLoadQueue { - fn is_suitable(&self, family: &QueueFamilyT) -> bool { - family.queue_type().supports_transfer() && family.max_queues() >= NUM_SIMULTANEOUS_CMDS - } -} |