Embedded gltf textures

Also tweaks blade-asset API to borrow choir's ExecutionContext.

Cargo.toml

@@ -20,6 +20,7 @@ log = "0.4"
 mint = "0.5"
 naga = { version = "0.14", features = ["wgsl-in", "span", "validate"] }
 profiling = "1"
+slab = "0.4"
 strum = { version = "0.25", features = ["derive"] }
 web-sys = "0.3.60"
 

blade-asset/src/arena.rs

@@ -124,14 +124,14 @@ impl<T: Default> Arena<T> {
         unsafe { first_ptr.add(handle.0.index as usize) }
     }
 
-    pub fn dealloc(&self, handle: Handle<T>) -> T {
+    pub fn _dealloc(&self, handle: Handle<T>) -> T {
         let mut freeman = self.freeman.lock().unwrap();
         freeman.free_list.push(handle.0);
         let ptr = self.get_mut_ptr(handle);
-        unsafe { mem::take(&mut *ptr) }
+        mem::take(unsafe { &mut *ptr })
     }
 
-    pub fn for_each(&self, mut fun: impl FnMut(Handle<T>, &T)) {
+    fn for_internal(&self, mut fun: impl FnMut(Address, *mut T)) {
         let mut freeman = self.freeman.lock().unwrap();
         freeman.free_list.sort(); // enables fast search
         for (chunk_index, chunk_start) in self.chunks[..freeman.chunk_bases.len()]
@@ -147,14 +147,26 @@ impl<T: Default> Arena<T> {
                     chunk,
                 };
                 if freeman.free_list.binary_search(&address).is_err() {
-                    //Note: this is only safe if `get_mut_ptr` isn't called
+                    //Note: accessing this is only safe if `get_mut_ptr` isn't called
                     // for example, during hot reloading.
-                    let item = unsafe { &*first_ptr.add(index) };
-                    fun(Handle(address, PhantomData), item);
+                    fun(address, unsafe { first_ptr.add(index) });
                 }
             }
         }
     }
+
+    pub fn for_each(&self, mut fun: impl FnMut(Handle<T>, &T)) {
+        self.for_internal(|address, ptr| fun(Handle(address, PhantomData), unsafe { &*ptr }))
+    }
+
+    pub fn dealloc_each(&self, mut fun: impl FnMut(Handle<T>, T)) {
+        self.for_internal(|address, ptr| {
+            fun(
+                Handle(address, PhantomData),
+                mem::take(unsafe { &mut *ptr }),
+            )
+        })
+    }
 }
 
 impl<T> Drop for FreeManager<T> {

blade-asset/src/flat.rs

@@ -42,6 +42,7 @@ macro_rules! impl_basic {
 impl_basic!(bool);
 impl_basic!(u32);
 impl_basic!(u64);
+impl_basic!(usize);
 impl_basic!(f32);
 
 /*

blade-asset/src/lib.rs

@@ -94,6 +94,7 @@ impl<T> Default for Slot<T> {
     }
 }
 
+#[derive(Default)]
 struct Inner {
     result: Vec<u8>,
     dependencies: Vec<PathBuf>,
@@ -143,6 +144,21 @@ impl<B: Baker> Cooker<B> {
         }
     }
 
+    /// Create a new container with no data, no path, and no hasher.
+    pub fn new_embedded() -> Self {
+        Self {
+            inner: Mutex::new(Inner::default()),
+            base_path: Default::default(),
+            _phantom: PhantomData,
+        }
+    }
+
+    pub fn extract_embedded(&self) -> Vec<u8> {
+        let mut inner = self.inner.lock().unwrap();
+        assert!(inner.dependencies.is_empty());
+        mem::take(&mut inner.result)
+    }
+
     /// Return the base path of the asset.
     pub fn base_path(&self) -> &Path {
         &self.base_path
@@ -197,12 +213,12 @@ pub trait Baker: Sized + Send + Sync + 'static {
         extension: &str,
         meta: Self::Meta,
         cooker: Arc<Cooker<Self>>,
-        exe_context: choir::ExecutionContext,
+        exe_context: &choir::ExecutionContext,
     );
     /// Produce the output bsed on a cooked asset.
     ///
     /// This method is also called within a task `exe_context`.
-    fn serve(&self, cooked: Self::Data<'_>, exe_context: choir::ExecutionContext) -> Self::Output;
+    fn serve(&self, cooked: Self::Data<'_>, exe_context: &choir::ExecutionContext) -> Self::Output;
     /// Delete the output of an asset.
     fn delete(&self, output: Self::Output);
 }
@@ -318,8 +334,8 @@ impl<B: Baker> AssetManager<B> {
         }
     }
 
-    pub fn get_main_source_path(&self, handle: Handle<B::Output>) -> &Path {
-        self.slots[handle.inner].sources.first().unwrap()
+    pub fn get_main_source_path(&self, handle: Handle<B::Output>) -> Option<&PathBuf> {
+        self.slots[handle.inner].sources.first()
     }
 
     fn make_target_path(&self, base_path: &Path, file_name: &Path, meta: &B::Meta) -> PathBuf {
@@ -405,7 +421,7 @@ impl<B: Baker> AssetManager<B> {
                         baker.delete(data);
                     }
                     let cooked = unsafe { <B::Data<'_> as Flat>::read(inner.result.as_ptr()) };
-                    let target = baker.serve(cooked, exe_context);
+                    let target = baker.serve(cooked, &exe_context);
                     unsafe {
                         *dr.data = Some(target);
                         *dr.version = version;
@@ -427,7 +443,7 @@ impl<B: Baker> AssetManager<B> {
                         Some(data) => data,
                         None => cooker_arg.add_dependency(&file_name),
                     };
-                    baker.cook(&source, extension, meta, cooker_arg, exe_context);
+                    baker.cook(&source, extension, meta, cooker_arg, &exe_context);
                 });
 
             load_task.depend_on(&cook_task);
@@ -447,7 +463,7 @@ impl<B: Baker> AssetManager<B> {
                     let mut data = Vec::new();
                     file.read_to_end(&mut data).unwrap();
                     let cooked = unsafe { <B::Data<'_> as Flat>::read(data.as_ptr()) };
-                    let target = baker.serve(cooked, exe_context);
+                    let target = baker.serve(cooked, &exe_context);
                     let dr = data_ref;
                     unsafe {
                         *dr.data = Some(target);
@@ -467,11 +483,14 @@ impl<B: Baker> AssetManager<B> {
         let (handle, slot_ptr) = self.slots.alloc_default();
         let slot = unsafe { &mut *slot_ptr };
         assert_eq!(slot.version, 0);
-        slot.base_path = source_path
-            .parent()
-            .unwrap_or_else(|| Path::new("."))
-            .to_owned();
-        slot.meta = Box::into_raw(Box::new(meta)) as *const _;
+        *slot = Slot {
+            base_path: source_path
+                .parent()
+                .unwrap_or_else(|| Path::new("."))
+                .to_owned(),
+            meta: Box::into_raw(Box::new(meta)) as *const _,
+            ..Default::default()
+        };
 
         let file_name = Path::new(source_path.file_name().unwrap());
         let (version, _) = self.create_impl(slot, file_name, None).unwrap();
@@ -495,8 +514,10 @@ impl<B: Baker> AssetManager<B> {
         let (handle, slot_ptr) = self.slots.alloc_default();
         let slot = unsafe { &mut *slot_ptr };
         assert_eq!(slot.version, 0);
-        slot.base_path = Default::default();
-        slot.meta = Box::into_raw(Box::new(meta)) as *const _;
+        *slot = Slot {
+            meta: Box::into_raw(Box::new(meta)) as *const _,
+            ..Default::default()
+        };
 
         let (version, _) = self.create_impl(slot, name, Some(data)).unwrap();
 
@@ -533,12 +554,35 @@ impl<B: Baker> AssetManager<B> {
         (handle, task)
     }
 
+    /// Load an asset that has been pre-cooked already.
+    ///
+    /// Expected to run inside a task.
+    pub fn load_cooked_inside_task(
+        &self,
+        cooked: B::Data<'_>,
+        exe_context: &choir::ExecutionContext,
+    ) -> Handle<B::Output> {
+        let value = self.baker.serve(cooked, exe_context);
+        let (handle, slot_ptr) = self.slots.alloc_default();
+        let slot = unsafe { &mut *slot_ptr };
+        assert_eq!(slot.version, 0);
+        *slot = Slot {
+            version: 1,
+            data: Some(value),
+            ..Slot::default()
+        };
+        Handle {
+            inner: handle,
+            version: slot.version,
+        }
+    }
+
     /// Clear the asset manager by deleting all the stored assets.
     ///
     /// Invalidates all handles produced from loading assets.
     pub fn clear(&self) {
-        for (_key, handle) in self.paths.lock().unwrap().drain() {
-            let slot = self.slots.dealloc(handle.inner);
+        self.paths.lock().unwrap().clear();
+        self.slots.dealloc_each(|_handle, slot| {
             if let Some(task) = slot.load_task {
                 task.join();
             }
@@ -550,7 +594,7 @@ impl<B: Baker> AssetManager<B> {
                     let _ = Box::from_raw(slot.meta as *mut B::Meta);
                 }
             }
-        }
+        })
     }
 
     /// Hot reload a changed asset.

blade-asset/tests/main.rs

@@ -20,13 +20,13 @@ impl blade_asset::Baker for Baker {
         _extension: &str,
         meta: u32,
         cooker: Arc<blade_asset::Cooker<Self>>,
-        _exe_context: choir::ExecutionContext,
+        _exe_context: &choir::ExecutionContext,
     ) {
         assert!(self.allow_cooking.load(Ordering::SeqCst));
         let _ = cooker.add_dependency("README.md".as_ref());
         cooker.finish(meta);
     }
-    fn serve(&self, cooked: u32, _exe_context: choir::ExecutionContext) -> usize {
+    fn serve(&self, cooked: u32, _exe_context: &choir::ExecutionContext) -> usize {
         cooked as usize
     }
     fn delete(&self, _output: usize) {}

blade-graphics/Cargo.toml

@@ -32,7 +32,7 @@ ash-window = "0.12"
 gpu-alloc = "0.6"
 gpu-alloc-ash = "0.6"
 naga = { workspace = true, features = ["spv-out"] }
-slab = "0.4"
+slab = { workspace = true }
 
 [target.'cfg(any(gles, target_arch = "wasm32"))'.dependencies]
 # Version contains `glGetProgramResource`

blade-render/Cargo.toml

@@ -11,7 +11,7 @@ repository = "https://github.com/kvark/blade"
 
 [features]
 default = ["asset"]
-asset = ["gltf" , "base64", "exr", "mikktspace", "texpresso", "zune-core", "zune-jpeg", "zune-png", "zune-imageprocs"]
+asset = ["gltf" , "base64", "exr", "mikktspace", "slab", "texpresso", "zune-core", "zune-jpeg", "zune-png", "zune-imageprocs"]
 
 [dependencies]
 base64 = { workspace = true, optional = true }
@@ -28,6 +28,7 @@ log = { workspace = true }
 mikktspace = { package = "bevy_mikktspace", version = "0.10", optional = true }
 mint = { workspace = true }
 profiling = { workspace = true }
+slab = { workspace = true, optional = true }
 strum = { workspace = true }
 texpresso = { version = "2.0", optional = true }
 #zune-core = { version = "0.2", optional = true }

blade-render/code/fill-gbuf.wgsl

@@ -135,7 +135,7 @@ fn main(@builtin(global_invocation_id) global_id: vec3<u32>) {
         if (enable_debug && (debug.draw_flags & DebugDrawFlags_SPACE) != 0u) {
             let normal_len = 0.15 * intersection.t;
             let side = 0.05 * intersection.t;
-            debug_line(hit_position, hit_position + normal_len * normal_geo, 0xFFFFFFu);
+            debug_line(hit_position, hit_position + normal_len * qrot(geo_to_world_rot, normal_geo), 0xFFFFFFu);
             debug_line(hit_position - side * tangent_geo, hit_position + side * tangent_geo, 0x808080u);
             debug_line(hit_position - side * bitangent_geo, hit_position + side * bitangent_geo, 0x808080u);
         }