begin instancing work

examples/instancing.rs

@@ -157,10 +157,13 @@ fn create_person(world: &mut World, mesh_handle: Handle<Mesh>, translation: Tran
             Velocity {
                 value: math::vec3(0.0, 0.0, 0.0),
             },
-            Instanced,
             StandardMaterial {
                 albedo: (math::vec4(0.5, 0.3, 0.3, 1.0) * random::<f32>()).into(),
             },
+            Renderable {
+                instanced: true,
+                ..Default::default()
+            },
             mesh_handle,
             LocalToWorld::identity(),
             translation,

src/prelude.rs

@@ -9,8 +9,7 @@ pub use crate::{
         pipeline::PipelineDescriptor,
         render_resource::{resource_name, resource_providers::UniformResourceProvider},
         shader::{uniforms::StandardMaterial, Shader, ShaderDefSuffixProvider, ShaderStage},
-        texture::{Texture, TextureType},
-        ActiveCamera, ActiveCamera2d, Camera, CameraType, Color, ColorSource, Instanced, Light,
+        ActiveCamera, ActiveCamera2d, Camera, CameraType, Color, ColorSource, Light,
         Renderable,
     },
     ui::{Anchors, Margins, Node},

src/render/draw_target/draw_targets/meshes_draw_target.rs

@@ -7,7 +7,7 @@ use crate::{
         pipeline::PipelineDescriptor,
         render_resource::{resource_name, ResourceInfo},
         renderer::RenderPass,
-        Instanced, Renderable,
+        Renderable,
     },
 };
 
@@ -25,7 +25,7 @@ impl DrawTarget for MeshesDrawTarget {
         let mut current_mesh_handle = None;
         let mut current_mesh_index_len = 0;
         let mesh_query =
-            <(Read<Handle<Mesh>>, Read<Renderable>)>::query().filter(!component::<Instanced>());
+            <(Read<Handle<Mesh>>, Read<Renderable>)>::query();
 
         for (entity, (mesh, renderable)) in mesh_query.iter_entities(world) {
             if !renderable.is_visible {

src/render/mod.rs

@@ -20,6 +20,4 @@ pub mod pipeline;
 pub mod render_resource;
 mod renderable;
 pub mod renderer;
-pub mod texture;
-
-pub struct Instanced;
+pub mod texture;

src/render/renderable.rs

@@ -13,6 +13,7 @@ pub struct Renderable {
     pub is_visible: bool,
     pub pipelines: Vec<Handle<PipelineDescriptor>>,
     pub shader_defs: HashSet<String>,
+    pub instanced: bool,
 }
 
 impl Default for Renderable {
@@ -23,6 +24,7 @@ impl Default for Renderable {
                 Handle::new(0), // TODO: this could be better
             ],
             shader_defs: HashSet::new(),
+            instanced: false,
         }
     }
 }