1221 lines
45 KiB
Rust
1221 lines
45 KiB
Rust
#![allow(clippy::collapsible_if)]
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use crate::memory_banks::{SoundBankPoolInstaller, TileBankPoolInstaller};
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use prometeu_hal::AssetBridge;
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use prometeu_hal::asset::{
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AssetEntry, AssetId, AssetLoadError, AssetOpStatus, BankStats, BankType, HandleId, LoadStatus,
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PreloadEntry, SlotRef, SlotStats,
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};
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use prometeu_hal::cartridge::AssetsPayloadSource;
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use prometeu_hal::color::Color;
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use prometeu_hal::sample::Sample;
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use prometeu_hal::sound_bank::SoundBank;
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use prometeu_hal::tile_bank::{TileBank, TileSize};
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use std::collections::HashMap;
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use std::io::Read;
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use std::sync::{Arc, Mutex, RwLock};
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use std::thread;
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use std::time::Instant;
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const TILE_BANK_PALETTE_COUNT_V1: usize = 64;
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const TILE_BANK_COLORS_PER_PALETTE: usize = 16;
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const TILE_BANK_PALETTE_BYTES_V1: usize =
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TILE_BANK_PALETTE_COUNT_V1 * TILE_BANK_COLORS_PER_PALETTE * std::mem::size_of::<u16>();
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/// Resident metadata for a decoded/materialized asset inside a BankPolicy.
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#[derive(Debug)]
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pub struct ResidentEntry<T> {
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/// The resident, materialized object.
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pub value: Arc<T>,
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/// Resident size in bytes (post-decode). Used for telemetry/budgets.
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pub bytes: usize,
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// /// Pin count (optional): if > 0, entry should not be evicted by policy.
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// pub pins: u32,
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/// Telemetry / profiling fields (optional but useful).
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pub loads: u64,
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pub last_used: Instant,
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}
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impl<T> ResidentEntry<T> {
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pub fn new(value: Arc<T>, bytes: usize) -> Self {
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Self {
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value,
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bytes,
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// pins: 0,
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loads: 1,
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last_used: Instant::now(),
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}
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}
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}
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/// Encapsulates the residency and staging policy for a specific type of asset.
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/// This is internal to the AssetManager and not visible to peripherals.
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pub struct BankPolicy<T> {
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/// Dedup table: asset_id -> resident entry (value + telemetry).
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resident: Arc<RwLock<HashMap<AssetId, ResidentEntry<T>>>>,
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/// Staging area: handle -> value ready to commit.
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staging: Arc<RwLock<HashMap<HandleId, Arc<T>>>>,
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}
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impl<T> BankPolicy<T> {
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pub fn new() -> Self {
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Self {
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resident: Arc::new(RwLock::new(HashMap::new())),
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staging: Arc::new(RwLock::new(HashMap::new())),
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}
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}
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/// Try get a resident value by asset_id (dedupe path).
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pub fn get_resident(&self, asset_id: AssetId) -> Option<Arc<T>> {
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let mut map = self.resident.write().unwrap();
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let entry = map.get_mut(&asset_id)?;
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entry.last_used = Instant::now();
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Some(Arc::clone(&entry.value))
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}
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/// Insert or reuse a resident entry. Returns the resident Arc<T>.
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pub fn put_resident(&self, asset_id: AssetId, value: Arc<T>, bytes: usize) -> Arc<T> {
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let mut map = self.resident.write().unwrap();
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match map.get_mut(&asset_id) {
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Some(existing) => {
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existing.last_used = Instant::now();
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existing.loads += 1;
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Arc::clone(&existing.value)
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}
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None => {
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let entry = ResidentEntry::new(Arc::clone(&value), bytes);
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map.insert(asset_id, entry);
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value
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}
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}
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}
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/// Place a value into staging for a given handle.
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pub fn stage(&self, handle: HandleId, value: Arc<T>) {
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self.staging.write().unwrap().insert(handle, value);
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}
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/// Take staged value (used by commit path).
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pub fn take_staging(&self, handle: HandleId) -> Option<Arc<T>> {
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self.staging.write().unwrap().remove(&handle)
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}
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pub fn clear(&self) {
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self.resident.write().unwrap().clear();
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self.staging.write().unwrap().clear();
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}
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}
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pub struct AssetManager {
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assets: Arc<RwLock<HashMap<AssetId, AssetEntry>>>,
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handles: Arc<RwLock<HashMap<HandleId, LoadHandleInfo>>>,
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next_handle_id: Mutex<HandleId>,
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assets_data: Arc<RwLock<AssetsPayloadSource>>,
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/// Narrow hardware interfaces
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gfx_installer: Arc<dyn TileBankPoolInstaller>,
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sound_installer: Arc<dyn SoundBankPoolInstaller>,
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/// Track what is installed in each hardware slot (for stats/info).
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gfx_slots: Arc<RwLock<[Option<AssetId>; 16]>>,
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sound_slots: Arc<RwLock<[Option<AssetId>; 16]>>,
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/// Residency policy for GFX tile banks.
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gfx_policy: BankPolicy<TileBank>,
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/// Residency policy for sound banks.
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sound_policy: BankPolicy<SoundBank>,
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// Commits that are ready to be applied at the next frame boundary.
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pending_commits: Mutex<Vec<HandleId>>,
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}
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struct LoadHandleInfo {
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_asset_id: AssetId,
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slot: SlotRef,
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status: LoadStatus,
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}
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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enum AssetOpMode {
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DirectFromSlice,
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StageInMemory,
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}
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impl AssetBridge for AssetManager {
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fn initialize_for_cartridge(
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&self,
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assets: Vec<AssetEntry>,
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preload: Vec<PreloadEntry>,
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assets_data: AssetsPayloadSource,
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) {
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self.initialize_for_cartridge(assets, preload, assets_data)
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}
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fn load(&self, asset_id: AssetId, slot_index: usize) -> Result<HandleId, AssetLoadError> {
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self.load(asset_id, slot_index)
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}
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fn status(&self, handle: HandleId) -> LoadStatus {
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self.status(handle)
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}
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fn commit(&self, handle: HandleId) -> AssetOpStatus {
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self.commit(handle)
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}
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fn cancel(&self, handle: HandleId) -> AssetOpStatus {
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self.cancel(handle)
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}
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fn apply_commits(&self) {
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self.apply_commits()
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}
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fn bank_info(&self, kind: BankType) -> BankStats {
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self.bank_info(kind)
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}
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fn slot_info(&self, slot: SlotRef) -> SlotStats {
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self.slot_info(slot)
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}
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fn shutdown(&self) {
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self.shutdown()
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}
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}
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impl AssetManager {
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fn codec_is_none_or_legacy_raw(codec: &str) -> bool {
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matches!(codec, "NONE" | "RAW")
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}
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fn decode_tile_bank_layout(
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entry: &AssetEntry,
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) -> Result<(TileSize, usize, usize, usize), String> {
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let tile_size_val =
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entry.metadata.get("tile_size").and_then(|v| v.as_u64()).ok_or("Missing tile_size")?;
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let width =
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entry.metadata.get("width").and_then(|v| v.as_u64()).ok_or("Missing width")? as usize;
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let height =
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entry.metadata.get("height").and_then(|v| v.as_u64()).ok_or("Missing height")? as usize;
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let palette_count = entry
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.metadata
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.get("palette_count")
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.and_then(|v| v.as_u64())
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.ok_or("Missing palette_count")? as usize;
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let tile_size = match tile_size_val {
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8 => TileSize::Size8,
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16 => TileSize::Size16,
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32 => TileSize::Size32,
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_ => return Err(format!("Invalid tile_size: {}", tile_size_val)),
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};
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if palette_count != TILE_BANK_PALETTE_COUNT_V1 {
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return Err(format!("Invalid palette_count: {}", palette_count));
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}
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let logical_pixels = width.checked_mul(height).ok_or("TileBank dimensions overflow")?;
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let serialized_pixel_bytes = logical_pixels.div_ceil(2);
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let serialized_size = serialized_pixel_bytes
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.checked_add(TILE_BANK_PALETTE_BYTES_V1)
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.ok_or("TileBank serialized size overflow")?;
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let decoded_size = logical_pixels
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.checked_add(TILE_BANK_PALETTE_BYTES_V1)
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.ok_or("TileBank decoded size overflow")?;
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if entry.size != serialized_size as u64 {
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return Err(format!(
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"Invalid TILEBANK serialized size: expected {}, got {}",
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serialized_size, entry.size
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));
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}
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if entry.decoded_size != decoded_size as u64 {
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return Err(format!(
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"Invalid TILEBANK decoded_size: expected {}, got {}",
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decoded_size, entry.decoded_size
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));
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}
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Ok((tile_size, width, height, serialized_pixel_bytes))
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}
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fn unpack_tile_bank_pixels(packed_pixels: &[u8], logical_pixels: usize) -> Vec<u8> {
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let mut pixel_indices = Vec::with_capacity(logical_pixels);
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for &packed in packed_pixels {
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if pixel_indices.len() < logical_pixels {
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pixel_indices.push(packed >> 4);
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}
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if pixel_indices.len() < logical_pixels {
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pixel_indices.push(packed & 0x0f);
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}
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}
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pixel_indices
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}
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fn op_mode_for(entry: &AssetEntry) -> Result<AssetOpMode, String> {
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match entry.bank_type {
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BankType::TILES if Self::codec_is_none_or_legacy_raw(entry.codec.as_str()) => {
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Ok(AssetOpMode::StageInMemory)
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}
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BankType::SOUNDS if Self::codec_is_none_or_legacy_raw(entry.codec.as_str()) => {
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Ok(AssetOpMode::DirectFromSlice)
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}
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_ => Err(format!("Unsupported codec: {}", entry.codec)),
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}
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}
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pub fn new(
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assets: Vec<AssetEntry>,
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assets_data: AssetsPayloadSource,
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gfx_installer: Arc<dyn TileBankPoolInstaller>,
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sound_installer: Arc<dyn SoundBankPoolInstaller>,
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) -> Self {
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let mut asset_map = HashMap::new();
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for entry in assets {
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asset_map.insert(entry.asset_id, entry);
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}
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Self {
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assets: Arc::new(RwLock::new(asset_map)),
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gfx_installer,
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sound_installer,
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gfx_slots: Arc::new(RwLock::new(std::array::from_fn(|_| None))),
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sound_slots: Arc::new(RwLock::new(std::array::from_fn(|_| None))),
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gfx_policy: BankPolicy::new(),
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sound_policy: BankPolicy::new(),
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handles: Arc::new(RwLock::new(HashMap::new())),
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next_handle_id: Mutex::new(1),
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assets_data: Arc::new(RwLock::new(assets_data)),
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pending_commits: Mutex::new(Vec::new()),
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}
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}
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pub fn initialize_for_cartridge(
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&self,
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assets: Vec<AssetEntry>,
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preload: Vec<PreloadEntry>,
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assets_data: AssetsPayloadSource,
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) {
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self.shutdown();
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{
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let mut asset_map = self.assets.write().unwrap();
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asset_map.clear();
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for entry in assets.iter() {
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asset_map.insert(entry.asset_id, entry.clone());
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}
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}
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*self.assets_data.write().unwrap() = assets_data;
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// Perform Preload for assets in the preload list
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for item in preload {
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let entry_opt = {
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let assets = self.assets.read().unwrap();
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assets.get(&item.asset_id).cloned()
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};
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if let Some(entry) = entry_opt {
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let slot_index = item.slot;
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match entry.bank_type {
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BankType::TILES => {
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if let Ok(bank) =
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Self::perform_load_tile_bank(&entry, self.assets_data.clone())
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{
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let bank_arc = Arc::new(bank);
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self.gfx_policy.put_resident(
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entry.asset_id,
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Arc::clone(&bank_arc),
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entry.decoded_size as usize,
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);
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self.gfx_installer.install_tile_bank(slot_index, bank_arc);
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let mut slots = self.gfx_slots.write().unwrap();
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if slot_index < slots.len() {
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slots[slot_index] = Some(entry.asset_id);
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}
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// println!(
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// "[AssetManager] Preloaded tile asset '{}' (id: {}) into slot {}",
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// entry.asset_name, entry.asset_id, slot_index
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// );
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}
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// else {
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// eprintln!(
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// "[AssetManager] Failed to preload tile asset '{}'",
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// entry.asset_name
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// );
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// }
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}
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BankType::SOUNDS => {
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if let Ok(bank) =
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Self::perform_load_sound_bank(&entry, self.assets_data.clone())
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{
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let bank_arc = Arc::new(bank);
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self.sound_policy.put_resident(
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entry.asset_id,
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Arc::clone(&bank_arc),
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entry.decoded_size as usize,
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);
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self.sound_installer.install_sound_bank(slot_index, bank_arc);
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let mut slots = self.sound_slots.write().unwrap();
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if slot_index < slots.len() {
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slots[slot_index] = Some(entry.asset_id);
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}
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// println!(
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// "[AssetManager] Preloaded sound asset '{}' (id: {}) into slot {}",
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// entry.asset_name, entry.asset_id, slot_index
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// );
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}
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// else {
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// eprintln!(
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// "[AssetManager] Failed to preload sound asset '{}'",
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// entry.asset_name
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// );
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// }
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}
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}
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}
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// else {
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// eprintln!("[AssetManager] Preload failed: asset id '{}' not found in table", item.asset_id);
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// }
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}
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}
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pub fn load(&self, asset_id: AssetId, slot_index: usize) -> Result<HandleId, AssetLoadError> {
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if slot_index >= 16 {
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return Err(AssetLoadError::SlotIndexInvalid);
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}
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let entry = {
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let assets = self.assets.read().unwrap();
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assets.get(&asset_id).ok_or(AssetLoadError::AssetNotFound)?.clone()
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};
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let slot = match entry.bank_type {
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BankType::TILES => SlotRef::gfx(slot_index),
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BankType::SOUNDS => SlotRef::audio(slot_index),
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};
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let mut next_id = self.next_handle_id.lock().unwrap();
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let handle_id = *next_id;
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*next_id += 1;
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// Check if already resident (Dedup)
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let already_resident = match entry.bank_type {
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BankType::TILES => {
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if let Some(bank) = self.gfx_policy.get_resident(asset_id) {
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self.gfx_policy.stage(handle_id, bank);
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true
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} else {
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false
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}
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}
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BankType::SOUNDS => {
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if let Some(bank) = self.sound_policy.get_resident(asset_id) {
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self.sound_policy.stage(handle_id, bank);
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true
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} else {
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false
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}
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}
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};
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if already_resident {
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self.handles.write().unwrap().insert(
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handle_id,
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LoadHandleInfo { _asset_id: asset_id, slot, status: LoadStatus::READY },
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);
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return Ok(handle_id);
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}
|
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|
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// Not resident, start loading
|
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self.handles.write().unwrap().insert(
|
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handle_id,
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LoadHandleInfo { _asset_id: asset_id, slot, status: LoadStatus::PENDING },
|
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);
|
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|
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let handles = self.handles.clone();
|
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let assets_data = self.assets_data.clone();
|
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let entry_clone = entry.clone();
|
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|
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// Capture policies for the worker thread
|
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let gfx_policy_resident = Arc::clone(&self.gfx_policy.resident);
|
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let gfx_policy_staging = Arc::clone(&self.gfx_policy.staging);
|
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let sound_policy_resident = Arc::clone(&self.sound_policy.resident);
|
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let sound_policy_staging = Arc::clone(&self.sound_policy.staging);
|
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|
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thread::spawn(move || {
|
|
// Update status to LOADING
|
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{
|
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let mut handles_map = handles.write().unwrap();
|
|
if let Some(h) = handles_map.get_mut(&handle_id) {
|
|
if h.status == LoadStatus::PENDING {
|
|
h.status = LoadStatus::LOADING;
|
|
} else {
|
|
return;
|
|
}
|
|
} else {
|
|
return;
|
|
}
|
|
}
|
|
|
|
match entry_clone.bank_type {
|
|
BankType::TILES => {
|
|
let result = Self::perform_load_tile_bank(&entry_clone, assets_data);
|
|
if let Ok(tilebank) = result {
|
|
let bank_arc = Arc::new(tilebank);
|
|
let resident_arc = {
|
|
let mut map = gfx_policy_resident.write().unwrap();
|
|
if let Some(existing) = map.get_mut(&asset_id) {
|
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existing.last_used = Instant::now();
|
|
existing.loads += 1;
|
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Arc::clone(&existing.value)
|
|
} else {
|
|
let entry = ResidentEntry::new(
|
|
Arc::clone(&bank_arc),
|
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entry_clone.decoded_size as usize,
|
|
);
|
|
map.insert(asset_id, entry);
|
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bank_arc
|
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}
|
|
};
|
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gfx_policy_staging.write().unwrap().insert(handle_id, resident_arc);
|
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let mut handles_map = handles.write().unwrap();
|
|
if let Some(h) = handles_map.get_mut(&handle_id) {
|
|
if h.status == LoadStatus::LOADING {
|
|
h.status = LoadStatus::READY;
|
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}
|
|
}
|
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} else {
|
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let mut handles_map = handles.write().unwrap();
|
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if let Some(h) = handles_map.get_mut(&handle_id) {
|
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h.status = LoadStatus::ERROR;
|
|
}
|
|
}
|
|
}
|
|
BankType::SOUNDS => {
|
|
let result = Self::perform_load_sound_bank(&entry_clone, assets_data);
|
|
if let Ok(soundbank) = result {
|
|
let bank_arc = Arc::new(soundbank);
|
|
let resident_arc = {
|
|
let mut map = sound_policy_resident.write().unwrap();
|
|
if let Some(existing) = map.get_mut(&asset_id) {
|
|
existing.last_used = Instant::now();
|
|
existing.loads += 1;
|
|
Arc::clone(&existing.value)
|
|
} else {
|
|
let entry = ResidentEntry::new(
|
|
Arc::clone(&bank_arc),
|
|
entry_clone.decoded_size as usize,
|
|
);
|
|
map.insert(asset_id, entry);
|
|
bank_arc
|
|
}
|
|
};
|
|
sound_policy_staging.write().unwrap().insert(handle_id, resident_arc);
|
|
let mut handles_map = handles.write().unwrap();
|
|
if let Some(h) = handles_map.get_mut(&handle_id) {
|
|
if h.status == LoadStatus::LOADING {
|
|
h.status = LoadStatus::READY;
|
|
}
|
|
}
|
|
} else {
|
|
let mut handles_map = handles.write().unwrap();
|
|
if let Some(h) = handles_map.get_mut(&handle_id) {
|
|
h.status = LoadStatus::ERROR;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
});
|
|
|
|
Ok(handle_id)
|
|
}
|
|
|
|
fn perform_load_tile_bank(
|
|
entry: &AssetEntry,
|
|
assets_data: Arc<RwLock<AssetsPayloadSource>>,
|
|
) -> Result<TileBank, String> {
|
|
let op_mode = Self::op_mode_for(entry)?;
|
|
let slice = {
|
|
let assets_data = assets_data.read().unwrap();
|
|
assets_data
|
|
.open_slice(entry.offset, entry.size)
|
|
.map_err(|_| "Asset offset/size out of bounds".to_string())?
|
|
};
|
|
|
|
match op_mode {
|
|
AssetOpMode::StageInMemory => {
|
|
let buffer =
|
|
slice.read_all().map_err(|_| "Asset payload read failed".to_string())?;
|
|
Self::decode_tile_bank_from_buffer(entry, &buffer)
|
|
}
|
|
AssetOpMode::DirectFromSlice => {
|
|
let mut reader =
|
|
slice.open_reader().map_err(|_| "Asset payload read failed".to_string())?;
|
|
Self::decode_tile_bank_from_reader(entry, &mut reader)
|
|
}
|
|
}
|
|
}
|
|
|
|
fn decode_tile_bank_from_buffer(entry: &AssetEntry, buffer: &[u8]) -> Result<TileBank, String> {
|
|
let (tile_size, width, height, packed_pixel_bytes) = Self::decode_tile_bank_layout(entry)?;
|
|
if buffer.len() < packed_pixel_bytes + TILE_BANK_PALETTE_BYTES_V1 {
|
|
return Err("Buffer too small for TILEBANK".to_string());
|
|
}
|
|
|
|
let logical_pixels = width * height;
|
|
let packed_pixels = &buffer[0..packed_pixel_bytes];
|
|
let pixel_indices = Self::unpack_tile_bank_pixels(packed_pixels, logical_pixels);
|
|
let palette_data =
|
|
&buffer[packed_pixel_bytes..packed_pixel_bytes + TILE_BANK_PALETTE_BYTES_V1];
|
|
|
|
let mut palettes =
|
|
[[Color::BLACK; TILE_BANK_COLORS_PER_PALETTE]; TILE_BANK_PALETTE_COUNT_V1];
|
|
for (p, pal) in palettes.iter_mut().enumerate() {
|
|
for (c, slot) in pal.iter_mut().enumerate() {
|
|
let offset = (p * 16 + c) * 2;
|
|
let color_raw =
|
|
u16::from_le_bytes([palette_data[offset], palette_data[offset + 1]]);
|
|
*slot = Color(color_raw);
|
|
}
|
|
}
|
|
|
|
Ok(TileBank { tile_size, width, height, pixel_indices, palettes })
|
|
}
|
|
|
|
fn decode_tile_bank_from_reader(
|
|
entry: &AssetEntry,
|
|
reader: &mut impl Read,
|
|
) -> Result<TileBank, String> {
|
|
let (tile_size, width, height, packed_pixel_bytes) = Self::decode_tile_bank_layout(entry)?;
|
|
let logical_pixels = width * height;
|
|
let mut packed_pixels = vec![0_u8; packed_pixel_bytes];
|
|
reader
|
|
.read_exact(&mut packed_pixels)
|
|
.map_err(|_| "Buffer too small for TILEBANK".to_string())?;
|
|
|
|
let pixel_indices = Self::unpack_tile_bank_pixels(&packed_pixels, logical_pixels);
|
|
|
|
let mut palette_data = [0_u8; TILE_BANK_PALETTE_BYTES_V1];
|
|
reader
|
|
.read_exact(&mut palette_data)
|
|
.map_err(|_| "Buffer too small for TILEBANK".to_string())?;
|
|
|
|
let mut palettes =
|
|
[[Color::BLACK; TILE_BANK_COLORS_PER_PALETTE]; TILE_BANK_PALETTE_COUNT_V1];
|
|
for (p, pal) in palettes.iter_mut().enumerate() {
|
|
for (c, slot) in pal.iter_mut().enumerate() {
|
|
let offset = (p * 16 + c) * 2;
|
|
let color_raw =
|
|
u16::from_le_bytes([palette_data[offset], palette_data[offset + 1]]);
|
|
*slot = Color(color_raw);
|
|
}
|
|
}
|
|
|
|
Ok(TileBank { tile_size, width, height, pixel_indices, palettes })
|
|
}
|
|
|
|
fn perform_load_sound_bank(
|
|
entry: &AssetEntry,
|
|
assets_data: Arc<RwLock<AssetsPayloadSource>>,
|
|
) -> Result<SoundBank, String> {
|
|
let op_mode = Self::op_mode_for(entry)?;
|
|
let slice = {
|
|
let assets_data = assets_data.read().unwrap();
|
|
assets_data
|
|
.open_slice(entry.offset, entry.size)
|
|
.map_err(|_| "Asset offset/size out of bounds".to_string())?
|
|
};
|
|
|
|
match op_mode {
|
|
AssetOpMode::DirectFromSlice => {
|
|
let mut reader =
|
|
slice.open_reader().map_err(|_| "Asset payload read failed".to_string())?;
|
|
Self::decode_sound_bank_from_reader(entry, &mut reader)
|
|
}
|
|
AssetOpMode::StageInMemory => {
|
|
let buffer =
|
|
slice.read_all().map_err(|_| "Asset payload read failed".to_string())?;
|
|
Self::decode_sound_bank_from_buffer(entry, &buffer)
|
|
}
|
|
}
|
|
}
|
|
|
|
fn decode_sound_bank_from_buffer(
|
|
entry: &AssetEntry,
|
|
buffer: &[u8],
|
|
) -> Result<SoundBank, String> {
|
|
let sample_rate =
|
|
entry.metadata.get("sample_rate").and_then(|v| v.as_u64()).unwrap_or(44100) as u32;
|
|
|
|
let mut data = Vec::with_capacity(buffer.len() / 2);
|
|
for i in (0..buffer.len()).step_by(2) {
|
|
if i + 1 < buffer.len() {
|
|
data.push(i16::from_le_bytes([buffer[i], buffer[i + 1]]));
|
|
}
|
|
}
|
|
|
|
let sample = Arc::new(Sample::new(sample_rate, data));
|
|
Ok(SoundBank::new(vec![sample]))
|
|
}
|
|
|
|
fn decode_sound_bank_from_reader(
|
|
entry: &AssetEntry,
|
|
reader: &mut impl Read,
|
|
) -> Result<SoundBank, String> {
|
|
let mut raw = Vec::new();
|
|
reader.read_to_end(&mut raw).map_err(|_| "Asset payload read failed".to_string())?;
|
|
Self::decode_sound_bank_from_buffer(entry, &raw)
|
|
}
|
|
|
|
pub fn status(&self, handle: HandleId) -> LoadStatus {
|
|
self.handles
|
|
.read()
|
|
.unwrap()
|
|
.get(&handle)
|
|
.map(|h| h.status)
|
|
.unwrap_or(LoadStatus::UnknownHandle)
|
|
}
|
|
|
|
pub fn commit(&self, handle: HandleId) -> AssetOpStatus {
|
|
let mut handles_map = self.handles.write().unwrap();
|
|
let Some(h) = handles_map.get_mut(&handle) else {
|
|
return AssetOpStatus::UnknownHandle;
|
|
};
|
|
if h.status == LoadStatus::READY {
|
|
self.pending_commits.lock().unwrap().push(handle);
|
|
AssetOpStatus::Ok
|
|
} else {
|
|
AssetOpStatus::InvalidState
|
|
}
|
|
}
|
|
|
|
pub fn cancel(&self, handle: HandleId) -> AssetOpStatus {
|
|
let mut final_status = AssetOpStatus::UnknownHandle;
|
|
let mut handles_map = self.handles.write().unwrap();
|
|
if let Some(h) = handles_map.get_mut(&handle) {
|
|
final_status = match h.status {
|
|
LoadStatus::PENDING | LoadStatus::LOADING | LoadStatus::READY => AssetOpStatus::Ok,
|
|
LoadStatus::CANCELED => AssetOpStatus::Ok,
|
|
_ => AssetOpStatus::InvalidState,
|
|
};
|
|
match h.status {
|
|
LoadStatus::PENDING | LoadStatus::LOADING | LoadStatus::READY => {
|
|
h.status = LoadStatus::CANCELED;
|
|
}
|
|
_ => {}
|
|
}
|
|
}
|
|
self.gfx_policy.take_staging(handle);
|
|
self.sound_policy.take_staging(handle);
|
|
final_status
|
|
}
|
|
|
|
pub fn apply_commits(&self) {
|
|
let mut pending = self.pending_commits.lock().unwrap();
|
|
let mut handles = self.handles.write().unwrap();
|
|
|
|
for handle_id in pending.drain(..) {
|
|
if let Some(h) = handles.get_mut(&handle_id) {
|
|
if h.status == LoadStatus::READY {
|
|
match h.slot.asset_type {
|
|
BankType::TILES => {
|
|
if let Some(bank) = self.gfx_policy.take_staging(handle_id) {
|
|
self.gfx_installer.install_tile_bank(h.slot.index, bank);
|
|
let mut slots = self.gfx_slots.write().unwrap();
|
|
if h.slot.index < slots.len() {
|
|
slots[h.slot.index] = Some(h._asset_id);
|
|
}
|
|
h.status = LoadStatus::COMMITTED;
|
|
}
|
|
}
|
|
BankType::SOUNDS => {
|
|
if let Some(bank) = self.sound_policy.take_staging(handle_id) {
|
|
self.sound_installer.install_sound_bank(h.slot.index, bank);
|
|
let mut slots = self.sound_slots.write().unwrap();
|
|
if h.slot.index < slots.len() {
|
|
slots[h.slot.index] = Some(h._asset_id);
|
|
}
|
|
h.status = LoadStatus::COMMITTED;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn bank_info(&self, kind: BankType) -> BankStats {
|
|
match kind {
|
|
BankType::TILES => {
|
|
let mut used_bytes = 0;
|
|
{
|
|
let resident = self.gfx_policy.resident.read().unwrap();
|
|
for entry in resident.values() {
|
|
used_bytes += entry.bytes;
|
|
}
|
|
}
|
|
|
|
let mut inflight_bytes = 0;
|
|
{
|
|
let staging = self.gfx_policy.staging.read().unwrap();
|
|
let assets = self.assets.read().unwrap();
|
|
let handles = self.handles.read().unwrap();
|
|
|
|
for (handle_id, _) in staging.iter() {
|
|
if let Some(h) = handles.get(handle_id) {
|
|
if let Some(entry) = assets.get(&h._asset_id) {
|
|
inflight_bytes += entry.decoded_size as usize;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
let mut slots_occupied = 0;
|
|
{
|
|
let slots = self.gfx_slots.read().unwrap();
|
|
for s in slots.iter() {
|
|
if s.is_some() {
|
|
slots_occupied += 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
BankStats {
|
|
total_bytes: 16 * 1024 * 1024,
|
|
used_bytes,
|
|
free_bytes: (16usize * 1024 * 1024).saturating_sub(used_bytes),
|
|
inflight_bytes,
|
|
slot_count: 16,
|
|
slots_occupied,
|
|
}
|
|
}
|
|
BankType::SOUNDS => {
|
|
let mut used_bytes = 0;
|
|
{
|
|
let resident = self.sound_policy.resident.read().unwrap();
|
|
for entry in resident.values() {
|
|
used_bytes += entry.bytes;
|
|
}
|
|
}
|
|
|
|
let mut inflight_bytes = 0;
|
|
{
|
|
let staging = self.sound_policy.staging.read().unwrap();
|
|
let assets = self.assets.read().unwrap();
|
|
let handles = self.handles.read().unwrap();
|
|
|
|
for (handle_id, _) in staging.iter() {
|
|
if let Some(h) = handles.get(handle_id) {
|
|
if let Some(entry) = assets.get(&h._asset_id) {
|
|
inflight_bytes += entry.decoded_size as usize;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
let mut slots_occupied = 0;
|
|
{
|
|
let slots = self.sound_slots.read().unwrap();
|
|
for s in slots.iter() {
|
|
if s.is_some() {
|
|
slots_occupied += 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
BankStats {
|
|
total_bytes: 32 * 1024 * 1024,
|
|
used_bytes,
|
|
free_bytes: (32usize * 1024 * 1024).saturating_sub(used_bytes),
|
|
inflight_bytes,
|
|
slot_count: 16,
|
|
slots_occupied,
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn slot_info(&self, slot: SlotRef) -> SlotStats {
|
|
match slot.asset_type {
|
|
BankType::TILES => {
|
|
let slots = self.gfx_slots.read().unwrap();
|
|
let asset_id = slots.get(slot.index).and_then(|s| *s);
|
|
|
|
let (bytes, asset_name) = if let Some(id) = &asset_id {
|
|
let bytes = self
|
|
.gfx_policy
|
|
.resident
|
|
.read()
|
|
.unwrap()
|
|
.get(id)
|
|
.map(|entry| entry.bytes)
|
|
.unwrap_or(0);
|
|
let name = self.assets.read().unwrap().get(id).map(|e| e.asset_name.clone());
|
|
(bytes, name)
|
|
} else {
|
|
(0, None)
|
|
};
|
|
|
|
SlotStats { asset_id, asset_name, generation: 0, resident_bytes: bytes }
|
|
}
|
|
BankType::SOUNDS => {
|
|
let slots = self.sound_slots.read().unwrap();
|
|
let asset_id = slots.get(slot.index).and_then(|s| *s);
|
|
|
|
let (bytes, asset_name) = if let Some(id) = &asset_id {
|
|
let bytes = self
|
|
.sound_policy
|
|
.resident
|
|
.read()
|
|
.unwrap()
|
|
.get(id)
|
|
.map(|entry| entry.bytes)
|
|
.unwrap_or(0);
|
|
let name = self.assets.read().unwrap().get(id).map(|e| e.asset_name.clone());
|
|
(bytes, name)
|
|
} else {
|
|
(0, None)
|
|
};
|
|
|
|
SlotStats { asset_id, asset_name, generation: 0, resident_bytes: bytes }
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn shutdown(&self) {
|
|
self.gfx_policy.clear();
|
|
self.sound_policy.clear();
|
|
self.handles.write().unwrap().clear();
|
|
self.pending_commits.lock().unwrap().clear();
|
|
self.gfx_slots.write().unwrap().fill(None);
|
|
self.sound_slots.write().unwrap().fill(None);
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
use crate::memory_banks::{MemoryBanks, SoundBankPoolAccess, TileBankPoolAccess};
|
|
|
|
fn expected_tile_payload_size(width: usize, height: usize) -> usize {
|
|
(width * height).div_ceil(2) + TILE_BANK_PALETTE_BYTES_V1
|
|
}
|
|
|
|
fn expected_tile_decoded_size(width: usize, height: usize) -> usize {
|
|
width * height + TILE_BANK_PALETTE_BYTES_V1
|
|
}
|
|
|
|
fn test_tile_asset_data() -> Vec<u8> {
|
|
let mut data = vec![0x11u8; 128];
|
|
data.extend_from_slice(&[0u8; TILE_BANK_PALETTE_BYTES_V1]);
|
|
data
|
|
}
|
|
|
|
fn test_tile_asset_entry(asset_name: &str, width: usize, height: usize) -> AssetEntry {
|
|
AssetEntry {
|
|
asset_id: 0,
|
|
asset_name: asset_name.to_string(),
|
|
bank_type: BankType::TILES,
|
|
offset: 0,
|
|
size: expected_tile_payload_size(width, height) as u64,
|
|
decoded_size: expected_tile_decoded_size(width, height) as u64,
|
|
codec: "NONE".to_string(),
|
|
metadata: serde_json::json!({
|
|
"tile_size": 16,
|
|
"width": width,
|
|
"height": height,
|
|
"palette_count": TILE_BANK_PALETTE_COUNT_V1
|
|
}),
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_decode_tile_bank_unpacks_packed_pixels_and_reads_palette_colors() {
|
|
let entry = test_tile_asset_entry("tiles", 2, 2);
|
|
let mut data = vec![0x10, 0x23];
|
|
data.extend_from_slice(&[0u8; TILE_BANK_PALETTE_BYTES_V1]);
|
|
data[2] = 0x34;
|
|
data[3] = 0x12;
|
|
|
|
let bank = AssetManager::decode_tile_bank_from_buffer(&entry, &data).expect("tile decode");
|
|
|
|
assert_eq!(bank.pixel_indices, vec![1, 0, 2, 3]);
|
|
assert_eq!(bank.palettes[0][0], Color(0x1234));
|
|
}
|
|
|
|
#[test]
|
|
fn test_decode_tile_bank_rejects_short_packed_buffer() {
|
|
let entry = test_tile_asset_entry("tiles", 16, 16);
|
|
let data = vec![0u8; expected_tile_payload_size(16, 16) - 1];
|
|
|
|
let err = match AssetManager::decode_tile_bank_from_buffer(&entry, &data) {
|
|
Ok(_) => panic!("tile decode should reject short buffer"),
|
|
Err(err) => err,
|
|
};
|
|
|
|
assert_eq!(err, "Buffer too small for TILEBANK");
|
|
}
|
|
|
|
#[test]
|
|
fn test_decode_tile_bank_requires_palette_count_64() {
|
|
let mut entry = test_tile_asset_entry("tiles", 16, 16);
|
|
entry.metadata["palette_count"] = serde_json::json!(32);
|
|
|
|
let err = match AssetManager::decode_tile_bank_from_buffer(&entry, &test_tile_asset_data())
|
|
{
|
|
Ok(_) => panic!("tile decode should reject invalid palette_count"),
|
|
Err(err) => err,
|
|
};
|
|
|
|
assert_eq!(err, "Invalid palette_count: 32");
|
|
}
|
|
|
|
#[test]
|
|
fn test_op_mode_for_tiles_none_stages_in_memory() {
|
|
let entry = test_tile_asset_entry("tiles", 16, 16);
|
|
|
|
assert_eq!(AssetManager::op_mode_for(&entry), Ok(AssetOpMode::StageInMemory));
|
|
}
|
|
|
|
#[test]
|
|
fn test_op_mode_for_tiles_raw_is_legacy_alias() {
|
|
let mut entry = test_tile_asset_entry("tiles", 16, 16);
|
|
entry.codec = "RAW".to_string();
|
|
|
|
assert_eq!(AssetManager::op_mode_for(&entry), Ok(AssetOpMode::StageInMemory));
|
|
}
|
|
|
|
#[test]
|
|
fn test_op_mode_for_sounds_none_reads_direct_from_slice() {
|
|
let entry = AssetEntry {
|
|
asset_id: 1,
|
|
asset_name: "sound".to_string(),
|
|
bank_type: BankType::SOUNDS,
|
|
offset: 0,
|
|
size: 8,
|
|
decoded_size: 8,
|
|
codec: "NONE".to_string(),
|
|
metadata: serde_json::json!({
|
|
"sample_rate": 44100
|
|
}),
|
|
};
|
|
|
|
assert_eq!(AssetManager::op_mode_for(&entry), Ok(AssetOpMode::DirectFromSlice));
|
|
}
|
|
|
|
#[test]
|
|
fn test_asset_loading_flow() {
|
|
let banks = Arc::new(MemoryBanks::new());
|
|
let gfx_installer = Arc::clone(&banks) as Arc<dyn TileBankPoolInstaller>;
|
|
let sound_installer = Arc::clone(&banks) as Arc<dyn SoundBankPoolInstaller>;
|
|
|
|
let data = test_tile_asset_data();
|
|
let asset_entry = test_tile_asset_entry("test_tiles", 16, 16);
|
|
|
|
let am = AssetManager::new(
|
|
vec![asset_entry],
|
|
AssetsPayloadSource::from_bytes(data),
|
|
gfx_installer,
|
|
sound_installer,
|
|
);
|
|
let handle = am.load(0, 0).expect("Should start loading");
|
|
|
|
let mut status = am.status(handle);
|
|
let start = Instant::now();
|
|
while status != LoadStatus::READY && start.elapsed().as_secs() < 5 {
|
|
thread::sleep(std::time::Duration::from_millis(10));
|
|
status = am.status(handle);
|
|
}
|
|
|
|
assert_eq!(status, LoadStatus::READY);
|
|
|
|
{
|
|
let staging = am.gfx_policy.staging.read().unwrap();
|
|
assert!(staging.contains_key(&handle));
|
|
}
|
|
|
|
am.commit(handle);
|
|
am.apply_commits();
|
|
|
|
assert_eq!(am.status(handle), LoadStatus::COMMITTED);
|
|
assert!(banks.tile_bank_slot(0).is_some());
|
|
}
|
|
|
|
#[test]
|
|
fn test_asset_dedup() {
|
|
let banks = Arc::new(MemoryBanks::new());
|
|
let gfx_installer = Arc::clone(&banks) as Arc<dyn TileBankPoolInstaller>;
|
|
let sound_installer = Arc::clone(&banks) as Arc<dyn SoundBankPoolInstaller>;
|
|
|
|
let data = test_tile_asset_data();
|
|
let asset_entry = test_tile_asset_entry("test_tiles", 16, 16);
|
|
|
|
let am = AssetManager::new(
|
|
vec![asset_entry],
|
|
AssetsPayloadSource::from_bytes(data),
|
|
gfx_installer,
|
|
sound_installer,
|
|
);
|
|
|
|
let handle1 = am.load(0, 0).unwrap();
|
|
let start = Instant::now();
|
|
while am.status(handle1) != LoadStatus::READY && start.elapsed().as_secs() < 5 {
|
|
thread::sleep(std::time::Duration::from_millis(10));
|
|
}
|
|
|
|
let handle2 = am.load(0, 1).unwrap();
|
|
assert_eq!(am.status(handle2), LoadStatus::READY);
|
|
|
|
let staging = am.gfx_policy.staging.read().unwrap();
|
|
let bank1 = staging.get(&handle1).unwrap();
|
|
let bank2 = staging.get(&handle2).unwrap();
|
|
assert!(Arc::ptr_eq(bank1, bank2));
|
|
}
|
|
|
|
#[test]
|
|
fn test_sound_asset_loading() {
|
|
let banks = Arc::new(MemoryBanks::new());
|
|
let gfx_installer = Arc::clone(&banks) as Arc<dyn TileBankPoolInstaller>;
|
|
let sound_installer = Arc::clone(&banks) as Arc<dyn SoundBankPoolInstaller>;
|
|
|
|
// 100 samples of 16-bit PCM (zeros)
|
|
let data = vec![0u8; 200];
|
|
|
|
let asset_entry = AssetEntry {
|
|
asset_id: 1,
|
|
asset_name: "test_sound".to_string(),
|
|
bank_type: BankType::SOUNDS,
|
|
offset: 0,
|
|
size: data.len() as u64,
|
|
decoded_size: data.len() as u64,
|
|
codec: "NONE".to_string(),
|
|
metadata: serde_json::json!({
|
|
"sample_rate": 44100
|
|
}),
|
|
};
|
|
|
|
let am = AssetManager::new(
|
|
vec![asset_entry],
|
|
AssetsPayloadSource::from_bytes(data),
|
|
gfx_installer,
|
|
sound_installer,
|
|
);
|
|
let handle = am.load(1, 0).expect("Should start loading");
|
|
|
|
let start = Instant::now();
|
|
while am.status(handle) != LoadStatus::READY && start.elapsed().as_secs() < 5 {
|
|
thread::sleep(std::time::Duration::from_millis(10));
|
|
}
|
|
|
|
assert_eq!(am.status(handle), LoadStatus::READY);
|
|
|
|
am.commit(handle);
|
|
am.apply_commits();
|
|
|
|
assert_eq!(am.status(handle), LoadStatus::COMMITTED);
|
|
assert!(banks.sound_bank_slot(0).is_some());
|
|
}
|
|
|
|
#[test]
|
|
fn test_preload_on_init() {
|
|
let banks = Arc::new(MemoryBanks::new());
|
|
let gfx_installer = Arc::clone(&banks) as Arc<dyn TileBankPoolInstaller>;
|
|
let sound_installer = Arc::clone(&banks) as Arc<dyn SoundBankPoolInstaller>;
|
|
|
|
let data = vec![0u8; 200];
|
|
|
|
let asset_entry = AssetEntry {
|
|
asset_id: 2,
|
|
asset_name: "preload_sound".to_string(),
|
|
bank_type: BankType::SOUNDS,
|
|
offset: 0,
|
|
size: data.len() as u64,
|
|
decoded_size: data.len() as u64,
|
|
codec: "NONE".to_string(),
|
|
metadata: serde_json::json!({
|
|
"sample_rate": 44100
|
|
}),
|
|
};
|
|
|
|
let preload = vec![PreloadEntry { asset_id: 2, slot: 5 }];
|
|
|
|
let am =
|
|
AssetManager::new(vec![], AssetsPayloadSource::empty(), gfx_installer, sound_installer);
|
|
|
|
// Before init, slot 5 is empty
|
|
assert!(banks.sound_bank_slot(5).is_none());
|
|
|
|
am.initialize_for_cartridge(
|
|
vec![asset_entry],
|
|
preload,
|
|
AssetsPayloadSource::from_bytes(data),
|
|
);
|
|
|
|
// After init, slot 5 should be occupied because of preload
|
|
assert!(banks.sound_bank_slot(5).is_some());
|
|
assert_eq!(am.slot_info(SlotRef::audio(5)).asset_id, Some(2));
|
|
}
|
|
|
|
#[test]
|
|
fn test_load_returns_asset_not_found() {
|
|
let banks = Arc::new(MemoryBanks::new());
|
|
let gfx_installer = Arc::clone(&banks) as Arc<dyn TileBankPoolInstaller>;
|
|
let sound_installer = Arc::clone(&banks) as Arc<dyn SoundBankPoolInstaller>;
|
|
let am =
|
|
AssetManager::new(vec![], AssetsPayloadSource::empty(), gfx_installer, sound_installer);
|
|
|
|
let result = am.load(999, 0);
|
|
|
|
assert_eq!(result, Err(AssetLoadError::AssetNotFound));
|
|
}
|
|
|
|
#[test]
|
|
fn test_load_returns_slot_index_invalid() {
|
|
let banks = Arc::new(MemoryBanks::new());
|
|
let gfx_installer = Arc::clone(&banks) as Arc<dyn TileBankPoolInstaller>;
|
|
let sound_installer = Arc::clone(&banks) as Arc<dyn SoundBankPoolInstaller>;
|
|
let data = test_tile_asset_data();
|
|
let am = AssetManager::new(
|
|
vec![test_tile_asset_entry("test_tiles", 16, 16)],
|
|
AssetsPayloadSource::from_bytes(data),
|
|
gfx_installer,
|
|
sound_installer,
|
|
);
|
|
|
|
let result = am.load(0, 16);
|
|
|
|
assert_eq!(result, Err(AssetLoadError::SlotIndexInvalid));
|
|
}
|
|
|
|
#[test]
|
|
fn test_status_returns_unknown_handle() {
|
|
let banks = Arc::new(MemoryBanks::new());
|
|
let gfx_installer = Arc::clone(&banks) as Arc<dyn TileBankPoolInstaller>;
|
|
let sound_installer = Arc::clone(&banks) as Arc<dyn SoundBankPoolInstaller>;
|
|
let am =
|
|
AssetManager::new(vec![], AssetsPayloadSource::empty(), gfx_installer, sound_installer);
|
|
|
|
assert_eq!(am.status(999), LoadStatus::UnknownHandle);
|
|
}
|
|
|
|
#[test]
|
|
fn test_commit_and_cancel_return_explicit_statuses() {
|
|
let banks = Arc::new(MemoryBanks::new());
|
|
let gfx_installer = Arc::clone(&banks) as Arc<dyn TileBankPoolInstaller>;
|
|
let sound_installer = Arc::clone(&banks) as Arc<dyn SoundBankPoolInstaller>;
|
|
let data = test_tile_asset_data();
|
|
let am = AssetManager::new(
|
|
vec![test_tile_asset_entry("test_tiles", 16, 16)],
|
|
AssetsPayloadSource::from_bytes(data),
|
|
gfx_installer,
|
|
sound_installer,
|
|
);
|
|
|
|
assert_eq!(am.commit(999), AssetOpStatus::UnknownHandle);
|
|
assert_eq!(am.cancel(999), AssetOpStatus::UnknownHandle);
|
|
|
|
let handle = am.load(0, 0).expect("load must allocate handle");
|
|
let start = Instant::now();
|
|
while am.status(handle) != LoadStatus::READY && start.elapsed().as_secs() < 5 {
|
|
thread::sleep(std::time::Duration::from_millis(10));
|
|
}
|
|
|
|
assert_eq!(am.cancel(handle), AssetOpStatus::Ok);
|
|
assert_eq!(am.status(handle), LoadStatus::CANCELED);
|
|
assert_eq!(am.commit(handle), AssetOpStatus::InvalidState);
|
|
}
|
|
}
|