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add resource providers to render_graph

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This commit is contained in:
Carter Anderson 2020-01-23 01:06:37 -08:00
parent 2226292ce0
commit 7b89531268
2 changed files with 16 additions and 8 deletions
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9
src/render/render_graph_2/render_graph.rs
View File

@ -1,10 +1,11 @@
use crate::render::render_graph_2::{PassDescriptor, PipelineDescriptor};
use crate::render::render_graph_2::{PassDescriptor, PipelineDescriptor, ResourceProvider};
use std::collections::HashMap;
pub struct RenderGraph {
pub pipeline_descriptors: HashMap<String, PipelineDescriptor>,
pub pass_descriptors: HashMap<String, PassDescriptor>,
pub pass_pipelines: HashMap<String, Vec<String>>,
pub resource_providers: Vec<Box<dyn ResourceProvider>>,
}
impl Default for RenderGraph {
@ -13,6 +14,7 @@ impl Default for RenderGraph {
pipeline_descriptors: HashMap::new(),
pass_descriptors: HashMap::new(),
pass_pipelines: HashMap::new(),
resource_providers: Vec::new(),
}
}
}
@ -55,6 +57,11 @@ impl RenderGraphBuilder {
self
}
pub fn add_resource_provider(mut self, resource_provider: Box<dyn ResourceProvider>) -> Self {
self.render_graph.resource_providers.push(resource_provider);
self
}
pub fn build(self) -> RenderGraph {
self.render_graph
}

15
src/render/render_graph_2/resource_provider.rs
View File

@ -1,19 +1,19 @@
use crate::render::{render_graph_2::Renderer, ActiveCamera, Camera};
use bevy_transform::prelude::LocalToWorld;
use legion::prelude::*;
use zerocopy::AsBytes;
use std::mem;
use zerocopy::AsBytes;
trait ResourceProvider {
fn update(renderer: &mut dyn Renderer, world: &mut World);
fn resize(renderer: &mut dyn Renderer, world: &mut World, width: u32, height: u32);
pub trait ResourceProvider {
fn update(&self, renderer: &mut dyn Renderer, world: &mut World);
fn resize(&self, renderer: &mut dyn Renderer, world: &mut World, width: u32, height: u32);
}
pub struct CameraResourceProvider;
impl ResourceProvider for CameraResourceProvider {
fn update(renderer: &mut dyn Renderer, world: &mut World) {}
fn resize(renderer: &mut dyn Renderer, world: &mut World, width: u32, height: u32) {
fn update(&self, renderer: &mut dyn Renderer, world: &mut World) {}
fn resize(&self, renderer: &mut dyn Renderer, world: &mut World, width: u32, height: u32) {
for (mut camera, local_to_world, _) in
<(Write<Camera>, Read<LocalToWorld>, Read<ActiveCamera>)>::query().iter_mut(world)
{
@ -22,7 +22,8 @@ impl ResourceProvider for CameraResourceProvider {
(camera.view_matrix * local_to_world.0).to_cols_array_2d();
let matrix_size = mem::size_of::<[[f32; 4]; 4]>() as u64;
// TODO: use staging buffer?
let buffer = renderer.create_buffer_with_data(camera_matrix.as_bytes(), wgpu::BufferUsage::UNIFORM);
let buffer = renderer
.create_buffer_with_data(camera_matrix.as_bytes(), wgpu::BufferUsage::UNIFORM);
// let temp_camera_buffer = render_graph
// .device
// .create_buffer_with_data(camera_matrix.as_bytes(), wgpu::BufferUsage::COPY_SRC);