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19 changed files with 775 additions and 97 deletions

389
Cargo.lock generated
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@ -97,9 +97,9 @@ dependencies = [
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@ -1117,6 +1236,16 @@ dependencies = [
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@ -1600,6 +1845,34 @@ dependencies = [
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@ -1612,6 +1885,37 @@ version = "0.5.2"
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@ -1639,6 +1943,12 @@ version = "1.1.0"
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@ -1771,6 +2081,15 @@ dependencies = [
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@ -1826,18 +2154,18 @@ dependencies = [
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@ -1854,6 +2182,17 @@ dependencies = [
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@ -2034,9 +2373,12 @@ checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
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@ -2223,6 +2565,12 @@ dependencies = [
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@ -2579,3 +2927,12 @@ name = "xml-rs"
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View File

@ -3,9 +3,14 @@ name = "lyra-engine"
version = "0.0.1"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[workspace]
members = [
"lyra-resource"
]
[dependencies]
lyra-resource = { path = "lyra-resource", version = "0.0.1" }
winit = "0.28.1"
tracing = "0.1.37"
tracing-subscriber = { version = "0.3.16", features = [ "tracing-log" ] }
@ -22,7 +27,6 @@ tobj = { version = "3.2.1", features = [
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async-trait = "0.1.65"
glam = { version = "0.24.0", features = ["bytemuck"] }
petgraph = "0.6.3"
gilrs-core = "0.5.6"
syn = "2.0.26"
quote = "1.0.29"
@ -31,3 +35,4 @@ atomicell = "0.1.9"
aligned-vec = "0.5.0"
tracing-appender = "0.2.2"
stopwatch = "0.0.7"
petgraph = "0.6.4"

12
lyra-resource/Cargo.toml Normal file
View File

@ -0,0 +1,12 @@
[package]
name = "lyra-resource"
version = "0.0.1"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
anyhow = "1.0.75"
image = "0.24.7"
thiserror = "1.0.48"
uuid = { version = "1.4.1", features = ["v4"] }

26
lyra-resource/src/lib.rs Normal file
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@ -0,0 +1,26 @@
pub mod resource_manager;
pub use resource_manager::*;
pub mod resource;
pub use resource::*;
pub mod texture;
pub use texture::*;
pub mod loader;
pub use loader::*;
pub fn add(left: usize, right: usize) -> usize {
left + right
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn it_works() {
let result = add(2, 2);
assert_eq!(result, 4);
}
}

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@ -0,0 +1,35 @@
pub mod texture;
use std::{io, sync::Arc, fs::File};
use thiserror::Error;
use crate::resource_manager::ResourceStorage;
#[derive(Error, Debug)]
pub enum LoaderError {
#[error("A malformed path was given: '{0}'")]
InvalidPath(String),
#[error("The loader does not support the extension '{0}'")]
UnsupportedExtension(String),
#[error("IOError: '{0}'")]
IOError(io::Error),
// From is implemented for this field in each loader module
#[error("Decoding error: '{0}'")]
DecodingError(anyhow::Error),
}
impl From<io::Error> for LoaderError {
fn from(value: io::Error) -> Self {
LoaderError::IOError(value)
}
}
pub trait ResourceLoader: Send + Sync {
fn extensions(&self) -> &[&str];
fn does_support_file(&self, path: &str) -> bool;
fn load(&self, path: &str) -> Result<Arc<dyn ResourceStorage>, LoaderError>;
}

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@ -0,0 +1,62 @@
use std::{fs::File, sync::Arc, path::Path, ffi::OsStr, io::Read};
use image::ImageError;
use crate::{resource_manager::ResourceStorage, texture::Texture, resource::Resource};
use super::{LoaderError, ResourceLoader};
impl From<ImageError> for LoaderError {
fn from(value: ImageError) -> Self {
LoaderError::DecodingError(anyhow::Error::from(value))
}
}
/// A struct that implements the `ResourceLoader` trait used for loading textures.
#[derive(Default)]
pub struct TextureLoader;
impl ResourceLoader for TextureLoader {
fn extensions(&self) -> &[&str] {
&[
// the extensions of these are the names of the formats
"bmp", "dds", "gif", "ico", "jpeg", "jpg", "png", "qoi", "tga", "tiff", "webp",
// farbfeld
"ff",
// pnm
"pnm", "pbm", "pgm", "ppm", "pam",
]
}
fn does_support_file(&self, path: &str) -> bool {
match Path::new(path).extension().and_then(OsStr::to_str) {
Some(ext) => {
self.extensions().contains(&ext)
},
_ => false,
}
}
fn load(&self, path: &str) -> Result<Arc<dyn ResourceStorage>, LoaderError> {
// check if the file is supported by this loader
if !self.does_support_file(path) {
return Err(LoaderError::UnsupportedExtension(path.to_string()));
}
// read file bytes
let mut file = File::open(path)?;
let mut buf = vec![];
file.read_to_end(&mut buf)?;
// load the image and construct Resource<Texture>
let image = image::load_from_memory(&buf)?;
let texture = Texture {
image,
};
let res = Resource::with_data(path, texture);
Ok(Arc::new(res))
}
}

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@ -0,0 +1,29 @@
use std::sync::Arc;
use uuid::Uuid;
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
pub enum ResourceState {
Loading,
Ready,
}
#[derive(Clone)]
pub struct Resource<T: Send + Sync + 'static> {
pub path: String,
pub data: Option<Arc<T>>,
pub uuid: Uuid,
pub state: ResourceState,
}
impl<T: Send + Sync + 'static> Resource<T> {
/// Create the resource with data, its assumed the state is `Ready`
pub fn with_data(path: &str, data: T) -> Self {
Self {
path: path.to_string(),
data: Some(Arc::new(data)),
uuid: Uuid::new_v4(),
state: ResourceState::Ready,
}
}
}

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@ -0,0 +1,83 @@
use std::{sync::Arc, collections::{HashMap, hash_map::DefaultHasher}, hash::{Hash, Hasher}, any::Any};
use thiserror::Error;
use crate::{resource::Resource, loader::{ResourceLoader, LoaderError, texture::TextureLoader}};
pub trait ResourceStorage: Send + Sync + Any + 'static {
fn as_any(&self) -> &dyn Any;
fn as_any_mut(&mut self) -> &mut dyn Any;
fn as_arc_any(self: Arc<Self>) -> Arc<dyn Any + Send + Sync>;
}
/// Implements this trait for anything that fits the type bounds
impl<T: Send + Sync + 'static> ResourceStorage for T {
fn as_any(&self) -> &dyn Any {
self
}
fn as_any_mut(&mut self) -> &mut dyn Any {
self
}
fn as_arc_any(self: Arc<Self>) -> Arc<dyn Any + Send + Sync> {
self.clone()
}
}
#[derive(Error, Debug)]
pub enum RequestError {
#[error("{0}")]
Loader(LoaderError),
#[error("The file extension is unsupported: '{0}'")]
UnsupportedFileExtension(String),
}
impl From<LoaderError> for RequestError {
fn from(value: LoaderError) -> Self {
RequestError::Loader(value)
}
}
#[derive(Default)]
pub struct ResourceManager {
resources: HashMap<String, Arc<dyn ResourceStorage>>,
loaders: Vec<Box<dyn ResourceLoader>>,
}
impl ResourceManager {
pub fn new() -> Self {
Self {
resources: HashMap::new(),
loaders: vec![ Box::new(TextureLoader::default()) ],
}
}
pub fn request<T: Send + Sync + Any + 'static>(&mut self, path: &str) -> Result<Arc<Resource<T>>, RequestError> {
match self.resources.get(&path.to_string()) {
Some(res) => {
let res = res.clone().as_arc_any();
let res = res.downcast::<Resource<T>>().expect("Failure to downcast resource");
Ok(res)
},
None => {
if let Some(loader) = self.loaders.iter()
.find(|l| l.does_support_file(path)) {
// Load the resource and store it
let res = loader.load(path)?;
self.resources.insert(path.to_string(), res.clone());
// convert Arc<dyn ResourceStorage> to Arc<Resource<T>
let res = res.as_arc_any();
let res = res.downcast::<Resource<T>>().expect("Failure to downcast resource");
Ok(res)
} else {
Err(RequestError::UnsupportedFileExtension(path.to_string()))
}
}
}
}
}

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@ -0,0 +1,10 @@
use image::{DynamicImage, ImageResult, ImageBuffer, Rgba};
#[derive(Clone)]
pub struct Texture {
pub image: DynamicImage,
}
impl Texture {
}

View File

@ -20,7 +20,13 @@ impl Default for CameraComponent {
}
impl CameraComponent {
pub fn new() -> Self {
pub fn new_3d() -> Self {
Self::default()
}
pub fn new_2d() -> Self {
let mut s = Self::default();
s.mode = CameraProjectionMode::Orthographic;
s
}
}

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@ -1,31 +1,29 @@
use std::collections::HashMap;
use petgraph::{prelude::StableDiGraph, stable_graph::NodeIndex, visit::Topo};
use tracing::warn;
use crate::game::Controls;
pub use edict::*;
pub mod components;
pub mod events;
pub use events::*;
use std::collections::HashMap;
use petgraph::{stable_graph::{StableDiGraph, NodeIndex}, visit::Topo};
use tracing::warn;
/// A trait that represents a simple system
pub trait SimpleSystem {
fn setup(&mut self, controls: &mut Controls) -> anyhow::Result<()> {
fn setup(&mut self, world: &mut World) -> anyhow::Result<()> {
Ok(())
}
// todo: make async?
fn execute_mut(&mut self, controls: &mut Controls) -> anyhow::Result<()>;
fn execute_mut(&mut self, world: &mut World) -> anyhow::Result<()>;
}
impl<S> SimpleSystem for S
where S: FnMut(&mut edict::World) -> anyhow::Result<()>
{
fn execute_mut(&mut self, controls: &mut Controls) -> anyhow::Result<()> {
self(controls.world)
fn execute_mut(&mut self, world: &mut World) -> anyhow::Result<()> {
self(world)
}
}
@ -44,9 +42,9 @@ impl BatchedSystem {
}
impl SimpleSystem for BatchedSystem {
fn execute_mut(&mut self, controls: &mut Controls) -> anyhow::Result<()> {
fn execute_mut(&mut self, world: &mut World) -> anyhow::Result<()> {
for system in self.systems.iter_mut() {
system.execute_mut(controls)?;
system.execute_mut(world)?;
}
Ok(())
@ -122,13 +120,13 @@ impl SystemDispatcher {
true
}
pub(crate) fn execute_systems(&mut self, controls: &mut Controls) {
pub(crate) fn execute_systems(&mut self, world: &mut World) {
let mut topo = Topo::new(&self.graph);
while let Some(nx) = topo.next(&self.graph) {
let node = self.graph.node_weight_mut(nx).unwrap();
match node.system.execute_mut(controls) {
match node.system.execute_mut(world) {
Ok(()) => {},
Err(e) => {
warn!("System execution of {} resulted in an error! '{}'.", node.name, e);
@ -144,8 +142,8 @@ impl SystemDispatcher {
}
impl SimpleSystem for SystemDispatcher {
fn execute_mut(&mut self, controls: &mut Controls) -> anyhow::Result<()> {
self.execute_systems(controls);
fn execute_mut(&mut self, world: &mut World) -> anyhow::Result<()> {
self.execute_systems(world);
Ok(())
}

View File

@ -68,15 +68,11 @@ impl GameLoop {
}
async fn update(&mut self) {
let mut controls = Controls {
world: &mut self.world,
};
if let Err(e) = self.engine_sys_dispatcher.execute_mut(&mut controls) {
if let Err(e) = self.engine_sys_dispatcher.execute_mut(&mut self.world) {
error!("Error when executing engine ecs systems: '{}'", e);
}
if let Err(e) = self.user_sys_dispatcher.execute_mut(&mut controls) {
if let Err(e) = self.user_sys_dispatcher.execute_mut(&mut self.world) {
error!("Error when executing user ecs systems: '{}'", e);
}
}
@ -224,9 +220,10 @@ impl GameLoop {
}
pub struct Game {
pub world: Option<edict::World>,
world: Option<edict::World>,
plugins: VecDeque<Box<dyn Plugin>>,
system_dispatcher: Option<SystemDispatcher>,
startup_systems: VecDeque<Box<dyn SimpleSystem>>,
}
impl Default for Game {
@ -235,6 +232,7 @@ impl Default for Game {
world: Some(edict::World::new()),
plugins: VecDeque::new(),
system_dispatcher: Some(SystemDispatcher::new()),
startup_systems: VecDeque::new(),
}
}
}
@ -244,6 +242,13 @@ impl Game {
Self::default()
}
/// Get the world of this game
pub fn world(&mut self) -> &mut edict::World {
// world is always `Some`, so unwrapping is safe
self.world.as_mut().unwrap()
}
/// Add a system to the ecs world
pub fn with_system<S>(&mut self, name: &str, system: S, depends: &[&str]) -> &mut Self
where
S: SimpleSystem + 'static
@ -254,7 +259,18 @@ impl Game {
self
}
/// Add a plugin to the game
/// Add a startup system that will be ran right after plugins are setup.
/// They will only be ran once
pub fn with_startup_system<S>(&mut self, system: S) -> &mut Self
where
S: SimpleSystem + 'static
{
self.startup_systems.push_back(Box::new(system));
self
}
/// Add a plugin to the game. These will be executed before the window is initiated and opened
pub fn with_plugin<P>(&mut self, plugin: P) -> &mut Self
where
P: Plugin + 'static
@ -264,12 +280,16 @@ impl Game {
self
}
/// Override the default (empty) world
///
/// This isn't recommended, you should create a startup system and add it to `with_startup_system`
pub fn with_world(&mut self, world: edict::World) -> &mut Self {
self.world = Some(world);
self
}
/// Start the game
pub async fn run(&mut self) {
// init logging
let (stdout_layer, _stdout_nb) = non_blocking(std::io::stdout());
@ -286,11 +306,19 @@ impl Game {
plugin.as_ref().setup(self);
}
let mut world = self.world.take().unwrap_or_else(|| edict::World::new());
// run startup systems
while let Some(mut startup) = self.startup_systems.pop_front() {
let startup = startup.as_mut();
startup.setup(&mut world).expect("World returned an error!");
startup.execute_mut(&mut world).expect("World returned an error!");
}
// start winit event loops
let event_loop = EventLoop::new();
let window = Arc::new(WindowBuilder::new().build(&event_loop).unwrap());
let world = self.world.take().unwrap_or_else(|| edict::World::new());
let system_dispatcher = self.system_dispatcher.take().unwrap();
let mut g_loop = GameLoop::new(Arc::clone(&window), world, system_dispatcher).await;
g_loop.on_init().await;

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@ -313,9 +313,7 @@ impl InputSystem {
}
impl SimpleSystem for InputSystem {
fn execute_mut(&mut self, controls: &mut crate::game::Controls) -> anyhow::Result<()> {
let world = &mut controls.world;
fn execute_mut(&mut self, world: &mut edict::World) -> anyhow::Result<()> {
let queue = world.get_resource_mut::<EventQueue>()
.map(|q| q.read_events::<InputEvent>()).flatten();

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@ -8,17 +8,6 @@ pub mod input;
pub mod castable_any;
pub mod plugin;
use plugin::Plugin;
pub use lyra_resource as assets;
use crate::input::InputPlugin;
/// Default plugins of Lyra. Make sure to have these added to the Game first
#[derive(Default)]
pub struct DefaultPlugins;
impl Plugin for DefaultPlugins {
fn setup(&self, game: &mut game::Game) {
// setup input
InputPlugin::default().setup(game);
}
}
pub use plugin::DefaultPlugins;

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@ -1,4 +1,7 @@
use lyra_resource::ResourceManager;
use crate::game::Game;
use crate::input::InputPlugin;
/// A Plugin is something you can add to a `Game` that can be used to define systems, or spawn initial entities.
pub trait Plugin {
@ -73,4 +76,25 @@ impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6)
impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6) (C7, 7) (C8, 8) (C9, 9) (C10, 10) (C11, 11) }
impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6) (C7, 7) (C8, 8) (C9, 9) (C10, 10) (C11, 11) (C12, 12) }
impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6) (C7, 7) (C8, 8) (C9, 9) (C10, 10) (C11, 11) (C12, 12) (C13, 13) }
impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6) (C7, 7) (C8, 8) (C9, 9) (C10, 10) (C11, 11) (C12, 12) (C13, 13) (C14, 14) }
impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6) (C7, 7) (C8, 8) (C9, 9) (C10, 10) (C11, 11) (C12, 12) (C13, 13) (C14, 14) }
#[derive(Default)]
pub struct ResourceManagerPlugin;
impl Plugin for ResourceManagerPlugin {
fn setup(&self, game: &mut Game) {
game.world().insert_resource(ResourceManager::new());
}
}
/// Default plugins of Lyra. Make sure to have these added to the Game first
#[derive(Default)]
pub struct DefaultPlugins;
impl Plugin for DefaultPlugins {
fn setup(&self, game: &mut Game) {
// setup input
InputPlugin::default().setup(game);
ResourceManagerPlugin::default().setup(game);
}
}

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@ -40,6 +40,7 @@ impl Projection {
pub struct RenderCamera {
view_proj: glam::Mat4,
size: PhysicalSize<u32>,
aspect: f32,
znear: f32,
zfar: f32,
@ -50,6 +51,7 @@ impl RenderCamera {
Self {
view_proj: glam::Mat4::IDENTITY,
size,
aspect: size.width as f32 / size.height as f32,
znear: 0.1,
zfar: 100.0,
@ -61,27 +63,39 @@ impl RenderCamera {
}
pub fn update_view_projection(&mut self, camera: &CameraComponent) -> &glam::Mat4 {
let position = camera.transform.translation;
let target = camera.transform.rotation * glam::Vec3::new(0.0, 0.0, -1.0);
let target = target.normalize();
/* debug!("Camera rotation: {:?}", rotation);
debug!("Camera position: {:?}", position);
debug!("Camera target: {:?}", target); */
match camera.mode {
CameraProjectionMode::Perspective => {
let position = camera.transform.translation;
let target = camera.transform.rotation * glam::Vec3::new(0.0, 0.0, -1.0);
let target = target.normalize();
let view = glam::Mat4::look_to_rh(
position,
target,
glam::Vec3::new(0.0, 1.0, 0.0)
);
let proj = glam::Mat4::perspective_rh_gl(camera.fov.to_radians(), self.aspect, self.znear, self.zfar);
let view = glam::Mat4::look_to_rh(
position,
target,
glam::Vec3::new(0.0, 1.0, 0.0)
);
let proj = glam::Mat4::perspective_rh_gl(camera.fov.to_radians(), self.aspect, self.znear, self.zfar);
self.view_proj = OPENGL_TO_WGPU_MATRIX * proj * view;
&self.view_proj
}
self.view_proj = OPENGL_TO_WGPU_MATRIX * proj * view;
&self.view_proj
},
CameraProjectionMode::Orthographic => {
let position = camera.transform.translation;
let target = camera.transform.rotation * glam::Vec3::new(0.0, 0.0, -1.0);
let target = target.normalize();
pub fn view_proj(&self) -> &glam::Mat4 {
&self.view_proj
let ratio_size_per_depth = ((camera.fov.to_radians() / 2.0) * 2.0).atan();
let distance = (target - position).length();
let size_y = ratio_size_per_depth * distance;
let size_x = ratio_size_per_depth * distance * self.aspect;
let proj = glam::Mat4::orthographic_rh_gl(-size_x, size_x, -size_y, size_y, self.znear, self.zfar);
self.view_proj = OPENGL_TO_WGPU_MATRIX * proj;
&self.view_proj
},
}
}
}

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@ -1,7 +1,9 @@
use super::texture::Texture;
use std::sync::Arc;
use lyra_resource::{Texture, Resource};
#[derive(Clone)]
pub struct Material {
pub shader_id: u32,
pub texture: Texture,
pub texture: Arc<Resource<Texture>>,
}

View File

@ -462,8 +462,9 @@ impl BasicRenderer {
let (vertex_buffer, buffer_indices) = self.create_vertex_index_buffers(mesh);
let texture_img = &model.material.texture;
let diffuse_texture = RenderTexture::from_image(&self.device, &self.queue, &texture_img.img, 0, None).unwrap();
let model_texture = &model.material.texture;
let image = &model_texture.data.as_ref().unwrap().image;
let diffuse_texture = RenderTexture::from_image(&self.device, &self.queue, image, None).unwrap();
let texture_bind_group_layout =
self.device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {

View File

@ -1,8 +1,9 @@
use std::sync::Arc;
use image::GenericImageView;
use lyra_resource::{Resource, Texture};
#[derive(Clone)]
/* #[derive(Clone)]
pub struct Texture {
texture_id: u32,
pub img: image::DynamicImage,
@ -17,14 +18,13 @@ impl Texture {
img,
})
}
}
} */
#[derive(Clone)]
#[allow(dead_code)]
pub struct RenderTexture {
texture_id: u32,
texture: Arc<wgpu::Texture>,
view: Arc<wgpu::TextureView>,
sampler: Arc<wgpu::Sampler>,
@ -33,12 +33,12 @@ pub struct RenderTexture {
impl RenderTexture {
pub const DEPTH_FORMAT: wgpu::TextureFormat = wgpu::TextureFormat::Depth32Float;
pub fn from_bytes(device: &wgpu::Device, queue: &wgpu::Queue, bytes: &[u8], texture_id: u32, label: &str) -> anyhow::Result<Self> {
pub fn from_bytes(device: &wgpu::Device, queue: &wgpu::Queue, bytes: &[u8], label: &str) -> anyhow::Result<Self> {
let img = image::load_from_memory(bytes)?;
Self::from_image(device, queue, &img, texture_id, Some(label))
Self::from_image(device, queue, &img, Some(label))
}
pub fn from_image(device: &wgpu::Device, queue: &wgpu::Queue, img: &image::DynamicImage, texture_id: u32, label: Option<&str>) -> anyhow::Result<Self> {
pub fn from_image(device: &wgpu::Device, queue: &wgpu::Queue, img: &image::DynamicImage, label: Option<&str>) -> anyhow::Result<Self> {
let rgba = img.to_rgba8();
let dimensions = img.dimensions();
@ -90,16 +90,16 @@ impl RenderTexture {
);
Ok(Self {
texture_id,
texture: Arc::new(texture),
view: Arc::new(view),
sampler: Arc::new(sampler),
})
}
pub fn update_texture(&mut self, device: &wgpu::Device, queue: &wgpu::Queue, texture: &Texture) {
let rgba = texture.img.to_rgba8();
let dimensions = texture.img.dimensions();
pub fn update_texture(&mut self, device: &wgpu::Device, queue: &wgpu::Queue, texture: &Arc<Resource<Texture>>) {
let texture = &texture.data.as_ref().unwrap().image;
let rgba = texture.to_rgba8();
let dimensions = texture.dimensions();
let size = wgpu::Extent3d {
width: dimensions.0,
height: dimensions.1,
@ -162,7 +162,6 @@ impl RenderTexture {
texture: Arc::new(texture),
view: Arc::new(view),
sampler: Arc::new(sampler),
texture_id: 0
}
}