use static dispatch in add_resource_provider

examples/custom_shader.rs

@@ -23,7 +23,7 @@ fn main() {
         .setup_world(setup)
         .setup_render_graph(|builder, pipeline_storage, shader_storage| {
             builder
-                .add_resource_provider(Box::new(UniformResourceProvider::<MyMaterial>::new()))
+                .add_resource_provider(UniformResourceProvider::<MyMaterial>::new())
                 .add_pipeline_to_pass(
                     resource_name::pass::MAIN,
                     pipeline_storage,

src/app/app_builder.rs

@@ -147,13 +147,13 @@ impl AppBuilder {
                 .add_draw_target(MeshesDrawTarget::default())
                 .add_draw_target(AssignedMeshesDrawTarget::default())
                 .add_draw_target(UiDrawTarget::default())
-                .add_resource_provider(Box::new(CameraResourceProvider::default()))
+                .add_resource_provider(CameraResourceProvider::default())
-                .add_resource_provider(Box::new(Camera2dResourceProvider::default()))
+                .add_resource_provider(Camera2dResourceProvider::default())
-                .add_resource_provider(Box::new(LightResourceProvider::new(10)))
+                .add_resource_provider(LightResourceProvider::new(10))
-                .add_resource_provider(Box::new(UiResourceProvider::new()))
+                .add_resource_provider(UiResourceProvider::new())
-                .add_resource_provider(Box::new(MeshResourceProvider::new()))
+                .add_resource_provider(MeshResourceProvider::new())
-                .add_resource_provider(Box::new(UniformResourceProvider::<StandardMaterial>::new()))
+                .add_resource_provider(UniformResourceProvider::<StandardMaterial>::new())
-                .add_resource_provider(Box::new(UniformResourceProvider::<LocalToWorld>::new()))
+                .add_resource_provider(UniformResourceProvider::<LocalToWorld>::new())
                 .add_forward_pass()
                 .add_forward_pipeline(pipeline_storage, shader_storage)
                 .add_ui_pipeline(pipeline_storage, shader_storage)

src/render/render_graph/passes/forward.rs

@@ -10,7 +10,7 @@ pub trait ForwardPassBuilder {
 
 impl ForwardPassBuilder for RenderGraphBuilder {
     fn add_forward_pass(self) -> Self {
-        self.add_resource_provider(Box::new(FrameTextureResourceProvider::new(
+        self.add_resource_provider(FrameTextureResourceProvider::new(
             resource_name::texture::DEPTH,
             TextureDescriptor {
                 size: wgpu::Extent3d {
@@ -25,7 +25,7 @@ impl ForwardPassBuilder for RenderGraphBuilder {
                 format: wgpu::TextureFormat::Depth32Float,
                 usage: wgpu::TextureUsage::OUTPUT_ATTACHMENT,
             },
-        )))
+        ))
         .add_pass(
             resource_name::pass::MAIN,
             PassDescriptor {

src/render/render_graph/render_graph.rs

@@ -86,8 +86,13 @@ impl RenderGraphBuilder {
         self
     }
 
-    pub fn add_resource_provider(mut self, resource_provider: Box<dyn ResourceProvider>) -> Self {
+    pub fn add_resource_provider<T>(mut self, resource_provider: T) -> Self
-        self.render_graph.resource_providers.push(resource_provider);
+    where
+        T: ResourceProvider + 'static,
+    {
+        self.render_graph
+            .resource_providers
+            .push(Box::new(resource_provider));
         self
     }