mirror of
https://github.com/bevyengine/bevy
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shader reflection for dynamic uniforms
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parent
2fe9710c04
commit
acebeb924c
13 changed files with 242 additions and 161 deletions
111
examples/custom_shader.rs
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111
examples/custom_shader.rs
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@ -0,0 +1,111 @@
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use bevy::{
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prelude::*,
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render::{
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render_graph_2::{PipelineDescriptor, StandardMaterial, resource_name, resource_providers::UniformResourceProvider},
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Shader, ShaderStage, Vertex,
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},
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};
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use bevy_derive::Uniforms;
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// #[derive(Uniforms)]
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struct MyMaterial {
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pub color: Vec4
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}
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fn main() {
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AppBuilder::new()
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.add_defaults()
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.setup_world(setup)
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.setup_render_graph(|builder, pipeline_storage, shader_storage| {
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builder
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// .add_resource_provider(UniformResourceProvider::<MyMaterial>::new())
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.add_pipeline_to_pass(
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resource_name::pass::MAIN,
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pipeline_storage,
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PipelineDescriptor::build(
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shader_storage, Shader::from_glsl(
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ShaderStage::Vertex,r#"
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#version 450
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layout(location = 0) in vec4 a_Pos;
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layout(location = 0) out vec4 v_Position;
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layout(set = 0, binding = 0) uniform Camera {
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mat4 ViewProj;
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};
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layout(set = 1, binding = 0) uniform Object {
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mat4 Model;
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};
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void main() {
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v_Position = Model * vec4(a_Pos);
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gl_Position = ViewProj * v_Position;
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}
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"#),
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)
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.with_fragment_shader(
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Shader::from_glsl(
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ShaderStage::Fragment, r#"
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#version 450
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layout(location = 0) in vec4 v_Position;
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layout(location = 0) out vec4 o_Target;
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layout(set = 1, binding = 1) uniform MyMaterial_color {
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vec4 color;
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};
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void main() {
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o_Target = color;
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}
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"#)
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)
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.with_depth_stencil_state(wgpu::DepthStencilStateDescriptor {
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format: wgpu::TextureFormat::Depth32Float,
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depth_write_enabled: true,
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depth_compare: wgpu::CompareFunction::Less,
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stencil_front: wgpu::StencilStateFaceDescriptor::IGNORE,
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stencil_back: wgpu::StencilStateFaceDescriptor::IGNORE,
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stencil_read_mask: 0,
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stencil_write_mask: 0,
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})
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.add_color_state(wgpu::ColorStateDescriptor {
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format: wgpu::TextureFormat::Bgra8UnormSrgb,
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color_blend: wgpu::BlendDescriptor::REPLACE,
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alpha_blend: wgpu::BlendDescriptor::REPLACE,
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write_mask: wgpu::ColorWrite::ALL,
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})
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.add_vertex_buffer_descriptor(Vertex::get_vertex_buffer_descriptor())
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.add_draw_target(resource_name::draw_target::ASSIGNED_MESHES)
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.build(),
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)
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})
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.run();
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}
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fn setup(world: &mut World) {
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let cube_handle = {
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let mut mesh_storage = world.resources.get_mut::<AssetStorage<Mesh>>().unwrap();
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mesh_storage.add(Mesh::load(MeshType::Cube))
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};
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world
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.build()
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// red cube
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.add_archetype(NewMeshEntity {
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mesh: cube_handle,
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translation: Translation::new(0.0, 0.0, 1.0),
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..NewMeshEntity::default()
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})
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// camera
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.add_archetype(CameraEntity {
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camera: Camera::new(CameraType::Projection {
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fov: std::f32::consts::PI / 4.0,
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near: 1.0,
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far: 1000.0,
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aspect_ratio: 1.0,
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}),
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active_camera: ActiveCamera,
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local_to_world: LocalToWorld(Mat4::look_at_rh(
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Vec3::new(3.0, 8.0, 5.0),
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Vec3::new(0.0, 0.0, 0.0),
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Vec3::new(0.0, 0.0, 1.0),
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)),
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})
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.build();
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}
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@ -8,7 +8,7 @@ use crate::{
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passes::*,
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render_graph_2::{
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passes::*, pipelines::*, renderers::wgpu_renderer::WgpuRenderer, resource_providers::*,
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ShaderPipelineAssignments, StandardMaterial,
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ShaderPipelineAssignments, StandardMaterial, RenderGraphBuilder
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},
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*,
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},
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@ -181,7 +181,25 @@ impl AppBuilder {
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self
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}
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pub fn add_render_graph_defaults(mut self) -> Self {
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pub fn add_render_graph_defaults(self) -> Self {
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self.setup_render_graph(|builder, pipeline_storage, shader_storage| {
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builder
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.add_draw_target(resource_name::draw_target::MESHES, meshes_draw_target)
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.add_draw_target(resource_name::draw_target::ASSIGNED_MESHES, assigned_meshes_draw_target)
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.add_draw_target(resource_name::draw_target::UI, ui_draw_target)
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.add_resource_provider(Box::new(CameraResourceProvider))
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.add_resource_provider(Box::new(Camera2dResourceProvider))
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.add_resource_provider(Box::new(LightResourceProvider::new(10)))
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.add_resource_provider(Box::new(UiResourceProvider::new()))
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.add_resource_provider(Box::new(UniformResourceProvider::<StandardMaterial>::new()))
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.add_resource_provider(Box::new(UniformResourceProvider::<LocalToWorld>::new()))
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.add_forward_pass()
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.add_forward_pipeline(pipeline_storage, shader_storage)
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.add_ui_pipeline(pipeline_storage, shader_storage)
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})
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}
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pub fn setup_render_graph(mut self, setup: impl Fn(RenderGraphBuilder, &mut AssetStorage<PipelineDescriptor>, &mut AssetStorage<Shader>) -> RenderGraphBuilder) -> Self {
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{
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let mut pipeline_storage = self
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.world
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@ -193,20 +211,7 @@ impl AppBuilder {
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.resources
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.get_mut::<AssetStorage<Shader>>()
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.unwrap();
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self.render_graph_builder = self
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.render_graph_builder
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.add_draw_target(resource_name::draw_target::MESHES, meshes_draw_target)
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.add_draw_target(resource_name::draw_target::ASSIGNED_MESHES, assigned_meshes_draw_target)
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.add_draw_target(resource_name::draw_target::UI, ui_draw_target)
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.add_resource_provider(Box::new(CameraResourceProvider))
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.add_resource_provider(Box::new(Camera2dResourceProvider))
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.add_resource_provider(Box::new(LightResourceProvider::new(10)))
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.add_resource_provider(Box::new(UiResourceProvider::new()))
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.add_resource_provider(Box::new(UniformResourceProvider::<StandardMaterial>::new()))
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.add_resource_provider(Box::new(UniformResourceProvider::<LocalToWorld>::new()))
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.add_forward_pass()
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.add_forward_pipeline(&mut pipeline_storage, &mut shader_storage)
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.add_ui_pipeline(&mut pipeline_storage, &mut shader_storage);
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self.render_graph_builder = setup(self.render_graph_builder, &mut pipeline_storage, &mut shader_storage);
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}
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self
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@ -12,6 +12,7 @@ pub use texture::*;
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use std::{collections::HashMap, marker::PhantomData};
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#[derive(Copy)]
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pub struct Handle<T> {
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pub id: usize,
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marker: PhantomData<T>,
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@ -27,7 +27,7 @@ impl ForwardPassBuilder for RenderGraphBuilder {
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},
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)))
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.add_pass(
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"main",
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resource_name::pass::MAIN,
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PassDescriptor {
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color_attachments: vec![RenderPassColorAttachmentDescriptor {
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attachment: resource_name::texture::SWAP_CHAIN.to_string(),
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@ -38,9 +38,12 @@ impl PipelineLayout {
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}
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}
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}
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let mut bind_groups_result = bind_groups.drain().map(|(_, value)| value).collect::<Vec<BindGroup>>();
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// NOTE: for some reason bind groups need to be sorted by index. this is likely an issue with bevy and not with wgpu
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bind_groups_result.sort_by(|a, b| a.index.partial_cmp(&b.index).unwrap());
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PipelineLayout {
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bind_groups: bind_groups.drain().map(|(_, value)| value).collect()
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bind_groups: bind_groups_result
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}
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}
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}
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@ -1,96 +1,35 @@
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use crate::{asset::AssetStorage, render::{
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render_graph_2::{
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pipeline_layout::*, PipelineDescriptor, RenderGraphBuilder, resource_name,
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use crate::{
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asset::AssetStorage,
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render::{
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render_graph_2::{resource_name, PipelineDescriptor, RenderGraphBuilder},
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shader::{Shader, ShaderStage},
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Vertex,
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},
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shader::{Shader, ShaderStage},
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Vertex,
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}};
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};
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pub trait ForwardPipelineBuilder {
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fn add_forward_pipeline(self, pipeline_descriptor_storage: &mut AssetStorage<PipelineDescriptor>, shader_storage: &mut AssetStorage<Shader>) -> Self;
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fn add_forward_pipeline(
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self,
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pipeline_descriptor_storage: &mut AssetStorage<PipelineDescriptor>,
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shader_storage: &mut AssetStorage<Shader>,
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) -> Self;
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}
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impl ForwardPipelineBuilder for RenderGraphBuilder {
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fn add_forward_pipeline(self, pipeline_descriptor_storage: &mut AssetStorage<PipelineDescriptor>, shader_storage: &mut AssetStorage<Shader>) -> Self {
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fn add_forward_pipeline(
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self,
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pipeline_descriptor_storage: &mut AssetStorage<PipelineDescriptor>,
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shader_storage: &mut AssetStorage<Shader>,
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) -> Self {
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self.add_pipeline(
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pipeline_descriptor_storage,
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PipelineDescriptor::build(
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shader_storage,
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Shader::from_glsl(include_str!("forward.vert"), ShaderStage::Vertex),
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Shader::from_glsl(ShaderStage::Vertex, include_str!("forward.vert")),
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)
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.with_fragment_shader(Shader::from_glsl(
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include_str!("forward.frag"),
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ShaderStage::Fragment,
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include_str!("forward.frag"),
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))
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// .add_bind_group(BindGroup::new(0, vec![
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// Binding {
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// index: 0,
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// name: "Camera".to_string(),
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// bind_type: BindType::Uniform {
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// dynamic: false,
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// properties: vec![UniformProperty {
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// name: "ViewProj".to_string(),
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// property_type: UniformPropertyType::Mat4,
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// }],
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// },
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// },
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// Binding {
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// index: 1,
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// name: "Lights".to_string(),
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// bind_type: BindType::Uniform {
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// dynamic: false,
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// properties: vec![
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// UniformProperty {
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// name: "NumLights".to_string(),
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// property_type: UniformPropertyType::UVec4,
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// },
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// UniformProperty {
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// name: "SceneLights".to_string(),
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// property_type: UniformPropertyType::Array(
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// Box::new(UniformPropertyType::Struct(vec![
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// UniformProperty {
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// name: "proj".to_string(),
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// property_type: UniformPropertyType::Mat4,
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// },
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// UniformProperty {
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// name: "pos".to_string(),
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// property_type: UniformPropertyType::Vec4,
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// },
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// UniformProperty {
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// name: "color".to_string(),
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// property_type: UniformPropertyType::Vec4,
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// },
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// ])),
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// 10, // max lights
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// ),
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// },
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// ],
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// },
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// },
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// ]))
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// .add_bind_group(BindGroup::new(1, vec![
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// Binding {
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// index: 0,
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// name: "Object".to_string(),
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// bind_type: BindType::Uniform {
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// dynamic: true,
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// properties: vec![UniformProperty {
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// name: "Model".to_string(),
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// property_type: UniformPropertyType::Mat4,
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// }],
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// },
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// },
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// Binding {
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// index: 1,
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// name: "StandardMaterial_albedo".to_string(),
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// bind_type: BindType::Uniform {
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// dynamic: true,
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// properties: vec![UniformProperty {
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// name: "Albedo".to_string(),
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// property_type: UniformPropertyType::Vec4,
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// }],
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// },
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// },
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// ]))
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.with_rasterization_state(wgpu::RasterizationStateDescriptor {
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front_face: wgpu::FrontFace::Ccw,
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cull_mode: wgpu::CullMode::Back,
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@ -28,47 +28,12 @@ impl ForwardFlatPipelineBuilder for RenderGraphBuilder {
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pipeline_descriptor_storage,
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PipelineDescriptor::build(
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shader_storage,
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Shader::from_glsl(include_str!("forward_flat.vert"), ShaderStage::Vertex),
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Shader::from_glsl(ShaderStage::Vertex, include_str!("forward_flat.vert")),
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)
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.with_fragment_shader(Shader::from_glsl(
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include_str!("forward_flat.frag"),
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ShaderStage::Fragment,
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include_str!("forward_flat.frag")
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))
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.add_bind_group(BindGroup::new(0, vec![Binding {
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index: 0,
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name: "Camera".to_string(),
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bind_type: BindType::Uniform {
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dynamic: false,
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properties: vec![UniformProperty {
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name: "ViewProj".to_string(),
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property_type: UniformPropertyType::Mat4,
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}],
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},
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}]))
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.add_bind_group(BindGroup::new(1, vec![
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Binding {
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index: 0,
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name: "Object".to_string(),
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bind_type: BindType::Uniform {
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dynamic: true,
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properties: vec![UniformProperty {
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name: "Model".to_string(),
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property_type: UniformPropertyType::Mat4,
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}],
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},
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},
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Binding {
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index: 1,
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name: "StandardMaterial_albedo".to_string(),
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bind_type: BindType::Uniform {
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dynamic: true,
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properties: vec![UniformProperty {
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name: "Albedo".to_string(),
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property_type: UniformPropertyType::Vec4,
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}],
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},
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},
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]))
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.with_rasterization_state(wgpu::RasterizationStateDescriptor {
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front_face: wgpu::FrontFace::Ccw,
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cull_mode: wgpu::CullMode::Back,
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|
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@ -27,23 +27,12 @@ impl UiPipelineBuilder for RenderGraphBuilder {
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pipeline_descriptor_storage,
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PipelineDescriptor::build(
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shader_storage,
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Shader::from_glsl(include_str!("ui.vert"), ShaderStage::Vertex),
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Shader::from_glsl(ShaderStage::Vertex, include_str!("ui.vert")),
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)
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.with_fragment_shader(Shader::from_glsl(
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include_str!("ui.frag"),
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ShaderStage::Fragment,
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include_str!("ui.frag")
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))
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.add_bind_group(BindGroup::new(0, vec![Binding {
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index: 0,
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name: "Camera2d".to_string(),
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bind_type: BindType::Uniform {
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dynamic: false,
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properties: vec![UniformProperty {
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name: "ViewProj".to_string(),
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property_type: UniformPropertyType::Mat4,
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}],
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},
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}]))
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.with_rasterization_state(wgpu::RasterizationStateDescriptor {
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front_face: wgpu::FrontFace::Ccw,
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cull_mode: wgpu::CullMode::None,
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|
|
|
@ -1,7 +1,7 @@
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use crate::{
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asset::{AssetStorage, Handle},
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render::{
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render_graph_2::{PassDescriptor, PipelineDescriptor, ResourceProvider, TextureDescriptor, DrawTarget},
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render::render_graph_2::{
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DrawTarget, PassDescriptor, PipelineDescriptor, ResourceProvider, TextureDescriptor,
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},
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};
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use std::collections::{HashMap, HashSet};
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|
@ -45,7 +45,6 @@ impl RenderGraph {
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pub struct RenderGraphBuilder {
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render_graph: RenderGraph,
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current_pass: Option<String>,
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}
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impl RenderGraphBuilder {
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|
@ -64,15 +63,33 @@ impl RenderGraphBuilder {
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self
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}
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pub fn add_pipeline(mut self, pipeline_descriptor_storage: &mut AssetStorage<PipelineDescriptor>, pipeline: PipelineDescriptor) -> Self {
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pub fn add_pipeline(
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mut self,
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pipeline_descriptor_storage: &mut AssetStorage<PipelineDescriptor>,
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pipeline: PipelineDescriptor,
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) -> Self {
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if let Some(ref pass) = self.current_pass {
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let pipeline_descriptor_handle = pipeline_descriptor_storage.add(pipeline);
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self.render_graph.add_pipeline(&pass, pipeline_descriptor_handle);
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self.render_graph
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.add_pipeline(&pass, pipeline_descriptor_handle);
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}
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self
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}
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pub fn add_pipeline_to_pass(
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mut self,
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pass: &str,
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pipeline_descriptor_storage: &mut AssetStorage<PipelineDescriptor>,
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pipeline: PipelineDescriptor,
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) -> Self {
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let pipeline_descriptor_handle = pipeline_descriptor_storage.add(pipeline);
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self.render_graph
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.add_pipeline(pass, pipeline_descriptor_handle);
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self
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}
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pub fn add_resource_provider(mut self, resource_provider: Box<dyn ResourceProvider>) -> Self {
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self.render_graph.resource_providers.push(resource_provider);
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self
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|
@ -86,7 +103,9 @@ impl RenderGraphBuilder {
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}
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pub fn add_draw_target(mut self, name: &str, draw_target: DrawTarget) -> Self {
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self.render_graph.draw_targets.insert(name.to_string(), draw_target);
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self.render_graph
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.draw_targets
|
||||
.insert(name.to_string(), draw_target);
|
||||
self
|
||||
}
|
||||
|
||||
|
|
|
@ -70,6 +70,7 @@ impl WgpuRenderer {
|
|||
}
|
||||
|
||||
pub fn create_render_pipeline(
|
||||
dynamic_uniform_buffer_info: &HashMap<String, DynamicUniformBufferInfo>,
|
||||
pipeline_descriptor: &mut PipelineDescriptor,
|
||||
bind_group_layouts: &mut HashMap<u64, wgpu::BindGroupLayout>,
|
||||
device: &wgpu::Device,
|
||||
|
@ -92,11 +93,35 @@ impl WgpuRenderer {
|
|||
layouts.push(fragment_spirv.reflect_layout().unwrap());
|
||||
}
|
||||
|
||||
pipeline_descriptor.layout =
|
||||
PipelineLayoutType::Reflected(Some(PipelineLayout::from_shader_layouts(&mut layouts)));
|
||||
let mut layout = PipelineLayout::from_shader_layouts(&mut layouts);
|
||||
|
||||
// set each uniform binding to dynamic if there is a matching dynamic uniform buffer info
|
||||
for mut bind_group in layout.bind_groups.iter_mut() {
|
||||
bind_group.bindings = bind_group
|
||||
.bindings
|
||||
.iter()
|
||||
.cloned()
|
||||
.map(|mut binding| {
|
||||
if let BindType::Uniform {
|
||||
ref mut dynamic, ..
|
||||
} = binding.bind_type
|
||||
{
|
||||
if dynamic_uniform_buffer_info.contains_key(&binding.name) {
|
||||
*dynamic = true;
|
||||
}
|
||||
}
|
||||
|
||||
binding
|
||||
})
|
||||
.collect();
|
||||
}
|
||||
|
||||
pipeline_descriptor.layout = PipelineLayoutType::Reflected(Some(layout));
|
||||
}
|
||||
|
||||
let layout = pipeline_descriptor.get_layout_mut().unwrap();
|
||||
// println!("{:#?}", layout);
|
||||
// println!();
|
||||
|
||||
// setup new bind group layouts
|
||||
for bind_group in layout.bind_groups.iter_mut() {
|
||||
|
@ -326,6 +351,24 @@ impl WgpuRenderer {
|
|||
) -> wgpu::ShaderModule {
|
||||
device.create_shader_module(&shader.get_spirv(macros))
|
||||
}
|
||||
|
||||
pub fn initialize_resource_providers(
|
||||
&mut self,
|
||||
world: &mut World,
|
||||
render_graph: &mut RenderGraph,
|
||||
) {
|
||||
self.encoder = Some(
|
||||
self.device
|
||||
.create_command_encoder(&wgpu::CommandEncoderDescriptor { todo: 0 }),
|
||||
);
|
||||
for resource_provider in render_graph.resource_providers.iter_mut() {
|
||||
resource_provider.initialize(self, world);
|
||||
}
|
||||
|
||||
// consume current encoder
|
||||
let command_buffer = self.encoder.take().unwrap().finish();
|
||||
self.queue.submit(&[command_buffer]);
|
||||
}
|
||||
}
|
||||
|
||||
impl Renderer for WgpuRenderer {
|
||||
|
@ -338,9 +381,8 @@ impl Renderer for WgpuRenderer {
|
|||
};
|
||||
|
||||
self.surface = Some(surface);
|
||||
for resource_provider in render_graph.resource_providers.iter_mut() {
|
||||
resource_provider.initialize(self, world);
|
||||
}
|
||||
|
||||
self.initialize_resource_providers(world, render_graph);
|
||||
|
||||
self.resize(world, render_graph, window_size.width, window_size.height);
|
||||
}
|
||||
|
@ -425,6 +467,7 @@ impl Renderer for WgpuRenderer {
|
|||
.as_ref()
|
||||
.map(|handle| &*shader_storage.get(&handle).unwrap());
|
||||
let render_pipeline = WgpuRenderer::create_render_pipeline(
|
||||
&self.dynamic_uniform_buffer_info,
|
||||
pipeline_descriptor,
|
||||
&mut self.bind_group_layouts,
|
||||
&self.device,
|
||||
|
|
|
@ -19,4 +19,8 @@ pub mod draw_target {
|
|||
pub const MESHES: &str = "Meshes";
|
||||
pub const ASSIGNED_MESHES: &str = "AssignedMeshes";
|
||||
pub const UI: &str = "Ui";
|
||||
}
|
||||
|
||||
pub mod pass {
|
||||
pub const MAIN: &str = "Main";
|
||||
}
|
|
@ -31,7 +31,9 @@ impl<T> ResourceProvider for UniformResourceProvider<T>
|
|||
where
|
||||
T: AsUniforms + Send + Sync + 'static,
|
||||
{
|
||||
fn initialize(&mut self, _renderer: &mut dyn Renderer, _world: &mut World) {}
|
||||
fn initialize(&mut self, renderer: &mut dyn Renderer, world: &mut World) {
|
||||
self.update(renderer, world);
|
||||
}
|
||||
|
||||
fn update(&mut self, renderer: &mut dyn Renderer, world: &mut World) {
|
||||
let query = <(Read<T>, Read<Renderable>)>::query();
|
||||
|
|
|
@ -61,7 +61,7 @@ pub struct Shader {
|
|||
}
|
||||
|
||||
impl Shader {
|
||||
pub fn from_glsl(glsl: &str, stage: ShaderStage) -> Shader {
|
||||
pub fn from_glsl(stage: ShaderStage, glsl: &str) -> Shader {
|
||||
Shader {
|
||||
source: ShaderSource::Glsl(glsl.to_string()),
|
||||
stage,
|
||||
|
|
Loading…
Reference in a new issue