mirror of
https://github.com/bevyengine/bevy
synced 2024-11-22 04:33:37 +00:00
move uniform resource provider to resource provider folder
This commit is contained in:
Carter Anderson
parent
d89a23edd5
commit
c604843b54
3 changed files with 168 additions and 161 deletions
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@ -3,9 +3,11 @@ mod camera_resource_provider;
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mod frame_texture_resource_provider;
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mod light_resource_provider;
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mod ui_resource_provider;
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mod uniform_resource_provider;
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pub use camera2d_resource_provider::*;
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pub use camera_resource_provider::*;
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pub use frame_texture_resource_provider::*;
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pub use light_resource_provider::*;
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pub use ui_resource_provider::*;
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pub use uniform_resource_provider::*;
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@ -0,0 +1,163 @@
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use crate::{
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legion::prelude::World,
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render::render_graph_2::{
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resource::DynamicUniformBufferInfo, AsUniforms, Renderer, ResourceProvider,
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},
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};
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use legion::prelude::*;
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use std::marker::PhantomData;
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pub struct UniformResourceProvider<T>
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where
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T: AsUniforms + Send + Sync,
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{
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_marker: PhantomData<T>,
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uniform_buffer_info_names: Vec<String>,
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// dynamic_uniform_buffer_infos: HashMap<String, DynamicUniformBufferInfo>,
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}
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impl<T> UniformResourceProvider<T>
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where
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T: AsUniforms + Send + Sync,
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{
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pub fn new() -> Self {
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UniformResourceProvider {
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// dynamic_uniform_buffer_infos: HashMap::new(),
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uniform_buffer_info_names: Vec::new(),
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_marker: PhantomData,
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}
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}
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}
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impl<T> ResourceProvider for UniformResourceProvider<T>
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where
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T: AsUniforms + Send + Sync + 'static,
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{
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fn initialize(&mut self, _renderer: &mut dyn Renderer, _world: &mut World) {}
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fn update(&mut self, renderer: &mut dyn Renderer, world: &mut World) {
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let query = <Read<T>>::query();
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// retrieve all uniforms buffers that aren't aleady set. these are "dynamic" uniforms, which are set by the user in ShaderUniforms
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// TODO: this breaks down in multiple ways:
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// (SOLVED 1) resource_info will be set after the first run so this won't update.
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// (2) if we create new buffers, the old bind groups will be invalid
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// reset all uniform buffer info counts
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for name in self.uniform_buffer_info_names.iter() {
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renderer
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.get_dynamic_uniform_buffer_info_mut(name)
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.unwrap()
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.count = 0;
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}
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let mut sizes = Vec::new();
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let mut counts = Vec::new();
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for uniforms in query.iter(world) {
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let uniform_layouts = uniforms.get_uniform_layouts();
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for (i, uniform_info) in uniforms.get_uniform_infos().iter().enumerate() {
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// only add the first time a uniform info is processed
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if self.uniform_buffer_info_names.len() <= i {
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let uniform_layout = uniform_layouts[i];
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let size = uniform_layout
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.iter()
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.map(|u| u.get_size())
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.fold(0, |total, current| total + current);
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sizes.push(size);
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self.uniform_buffer_info_names
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.push(uniform_info.name.to_string());
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}
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if counts.len() <= i {
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counts.push(0);
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}
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counts[i] += 1;
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}
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}
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// create and update uniform buffer info. this is separate from the last block to avoid
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// the expense of hashing for large numbers of entities
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for (i, name) in self.uniform_buffer_info_names.iter().enumerate() {
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if let None = renderer.get_dynamic_uniform_buffer_info(name) {
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let mut info = DynamicUniformBufferInfo::new();
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info.size = sizes[i];
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renderer.add_dynamic_uniform_buffer_info(name, info);
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}
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let info = renderer.get_dynamic_uniform_buffer_info_mut(name).unwrap();
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info.count = counts[i];
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}
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// allocate uniform buffers
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for name in self.uniform_buffer_info_names.iter() {
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if let Some(_) = renderer.get_resource_info(name) {
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continue;
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}
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let info = renderer.get_dynamic_uniform_buffer_info_mut(name).unwrap();
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// allocate enough space for twice as many entities as there are currently;
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info.capacity = info.count * 2;
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let size = wgpu::BIND_BUFFER_ALIGNMENT * info.capacity;
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renderer.create_buffer(
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name,
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size,
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wgpu::BufferUsage::COPY_DST | wgpu::BufferUsage::UNIFORM,
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);
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}
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// copy entity uniform data to buffers
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for name in self.uniform_buffer_info_names.iter() {
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let size = {
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let info = renderer.get_dynamic_uniform_buffer_info(name).unwrap();
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wgpu::BIND_BUFFER_ALIGNMENT * info.count
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};
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let alignment = wgpu::BIND_BUFFER_ALIGNMENT as usize;
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let mut offset = 0usize;
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let info = renderer.get_dynamic_uniform_buffer_info_mut(name).unwrap();
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for (i, (entity, _uniforms)) in query.iter_entities(world).enumerate() {
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// TODO: check if index has changed. if it has, then entity should be updated
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// TODO: only mem-map entities if their data has changed
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// PERF: These hashmap inserts are pretty expensive (10 fps for 10000 entities)
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info.offsets.insert(entity, offset as u64);
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info.indices.insert(i, entity);
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// TODO: try getting ref first
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offset += alignment;
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}
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// let mut data = vec![Default::default(); size as usize];
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renderer.create_buffer_mapped(
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"tmp_uniform_mapped",
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size as usize,
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wgpu::BufferUsage::COPY_SRC,
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&mut |mapped| {
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let alignment = wgpu::BIND_BUFFER_ALIGNMENT as usize;
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let mut offset = 0usize;
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for uniforms in query.iter(world) {
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// TODO: check if index has changed. if it has, then entity should be updated
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// TODO: only mem-map entities if their data has changed
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// TODO: try getting ref first
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if let Some(uniform_bytes) = uniforms.get_uniform_bytes(name) {
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mapped[offset..(offset + uniform_bytes.len())]
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.copy_from_slice(uniform_bytes.as_slice());
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offset += alignment;
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}
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}
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},
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);
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renderer.copy_buffer_to_buffer("tmp_uniform_mapped", 0, name, 0, size);
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}
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}
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fn resize(
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&mut self,
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_renderer: &mut dyn Renderer,
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_world: &mut World,
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_width: u32,
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_height: u32,
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) {
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}
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}
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@ -4,16 +4,13 @@ use crate::{
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prelude::{Entity, World},
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},
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math::Vec4,
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render::render_graph_2::{
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resource::DynamicUniformBufferInfo, BindType, Renderer, ResourceProvider,
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UniformPropertyType,
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},
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render::render_graph_2::{BindType, UniformPropertyType},
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};
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use legion::{prelude::*, storage::Component};
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use std::marker::PhantomData;
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use legion::storage::Component;
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use zerocopy::AsBytes;
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pub type ShaderUniformSelector = fn(Entity, &World) -> Option<RefMap<&dyn AsUniforms>>;
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pub struct ShaderUniforms {
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// used for distinguishing
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pub uniform_selectors: Vec<ShaderUniformSelector>,
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@ -234,158 +231,3 @@ impl AsUniforms for bevy_transform::prelude::LocalToWorld {
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// }
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// }
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}
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pub struct UniformResourceProvider<T>
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where
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T: AsUniforms + Send + Sync,
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{
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_marker: PhantomData<T>,
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uniform_buffer_info_names: Vec<String>,
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// dynamic_uniform_buffer_infos: HashMap<String, DynamicUniformBufferInfo>,
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}
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impl<T> UniformResourceProvider<T>
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where
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T: AsUniforms + Send + Sync,
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{
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pub fn new() -> Self {
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UniformResourceProvider {
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// dynamic_uniform_buffer_infos: HashMap::new(),
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uniform_buffer_info_names: Vec::new(),
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_marker: PhantomData,
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}
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}
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}
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impl<T> ResourceProvider for UniformResourceProvider<T>
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where
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T: AsUniforms + Send + Sync + 'static,
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{
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fn initialize(&mut self, _renderer: &mut dyn Renderer, _world: &mut World) {}
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fn update(&mut self, renderer: &mut dyn Renderer, world: &mut World) {
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let query = <Read<T>>::query();
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// retrieve all uniforms buffers that aren't aleady set. these are "dynamic" uniforms, which are set by the user in ShaderUniforms
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// TODO: this breaks down in multiple ways:
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// (SOLVED 1) resource_info will be set after the first run so this won't update.
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// (2) if we create new buffers, the old bind groups will be invalid
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// reset all uniform buffer info counts
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for name in self.uniform_buffer_info_names.iter() {
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renderer
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.get_dynamic_uniform_buffer_info_mut(name)
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.unwrap()
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.count = 0;
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}
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let mut sizes = Vec::new();
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let mut counts = Vec::new();
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for uniforms in query.iter(world) {
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let uniform_layouts = uniforms.get_uniform_layouts();
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for (i, uniform_info) in uniforms.get_uniform_infos().iter().enumerate() {
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// only add the first time a uniform info is processed
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if self.uniform_buffer_info_names.len() <= i {
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let uniform_layout = uniform_layouts[i];
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let size = uniform_layout
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.iter()
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.map(|u| u.get_size())
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.fold(0, |total, current| total + current);
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sizes.push(size);
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self.uniform_buffer_info_names
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.push(uniform_info.name.to_string());
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}
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if counts.len() <= i {
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counts.push(0);
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}
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counts[i] += 1;
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}
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}
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// create and update uniform buffer info. this is separate from the last block to avoid
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// the expense of hashing for large numbers of entities
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for (i, name) in self.uniform_buffer_info_names.iter().enumerate() {
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if let None = renderer.get_dynamic_uniform_buffer_info(name) {
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let mut info = DynamicUniformBufferInfo::new();
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info.size = sizes[i];
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renderer.add_dynamic_uniform_buffer_info(name, info);
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}
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let info = renderer.get_dynamic_uniform_buffer_info_mut(name).unwrap();
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info.count = counts[i];
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}
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// allocate uniform buffers
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for name in self.uniform_buffer_info_names.iter() {
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if let Some(_) = renderer.get_resource_info(name) {
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continue;
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}
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let info = renderer.get_dynamic_uniform_buffer_info_mut(name).unwrap();
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// allocate enough space for twice as many entities as there are currently;
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info.capacity = info.count * 2;
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let size = wgpu::BIND_BUFFER_ALIGNMENT * info.capacity;
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renderer.create_buffer(
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name,
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size,
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wgpu::BufferUsage::COPY_DST | wgpu::BufferUsage::UNIFORM,
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);
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}
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// copy entity uniform data to buffers
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for name in self.uniform_buffer_info_names.iter() {
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let size = {
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let info = renderer.get_dynamic_uniform_buffer_info(name).unwrap();
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wgpu::BIND_BUFFER_ALIGNMENT * info.count
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};
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let alignment = wgpu::BIND_BUFFER_ALIGNMENT as usize;
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let mut offset = 0usize;
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let info = renderer.get_dynamic_uniform_buffer_info_mut(name).unwrap();
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for (i, (entity, _uniforms)) in query.iter_entities(world).enumerate() {
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// TODO: check if index has changed. if it has, then entity should be updated
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// TODO: only mem-map entities if their data has changed
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// PERF: These hashmap inserts are pretty expensive (10 fps for 10000 entities)
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info.offsets.insert(entity, offset as u64);
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info.indices.insert(i, entity);
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// TODO: try getting ref first
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offset += alignment;
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}
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// let mut data = vec![Default::default(); size as usize];
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renderer.create_buffer_mapped(
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"tmp_uniform_mapped",
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size as usize,
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wgpu::BufferUsage::COPY_SRC,
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&mut |mapped| {
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let alignment = wgpu::BIND_BUFFER_ALIGNMENT as usize;
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let mut offset = 0usize;
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for uniforms in query.iter(world) {
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// TODO: check if index has changed. if it has, then entity should be updated
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// TODO: only mem-map entities if their data has changed
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// TODO: try getting ref first
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if let Some(uniform_bytes) = uniforms.get_uniform_bytes(name) {
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mapped[offset..(offset + uniform_bytes.len())]
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.copy_from_slice(uniform_bytes.as_slice());
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offset += alignment;
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}
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}
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},
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);
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renderer.copy_buffer_to_buffer("tmp_uniform_mapped", 0, name, 0, size);
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}
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}
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fn resize(
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&mut self,
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_renderer: &mut dyn Renderer,
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_world: &mut World,
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_width: u32,
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_height: u32,
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) {
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}
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}
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