More cleanup and stubs.

bevy_nannou_render/src/lib.rs

@@ -43,6 +43,7 @@ impl Plugin for NannouRenderPlugin {
                 Prepare,
                 (
                     prepare_view_mesh,
+                    prepare_texture_bind_groups.in_set(RenderSet::PrepareBindGroups),
                     prepare_view_uniform.in_set(RenderSet::PrepareBindGroups),
                 ),
             )
@@ -71,9 +72,8 @@ impl Plugin for NannouRenderPlugin {
     }
 }
 
-fn prepare_view_mesh(
-    commands: Commands,
-) {
+// Prepare our mesh for rendering
+fn prepare_view_mesh(commands: Commands) {
     // TODO: process the extracted draw components
 }
 
@@ -93,6 +93,16 @@ fn prepare_view_uniform(
     }
 }
 
+// Prepare user uploaded textures for rendering
+fn prepare_texture_bind_groups(
+    mut commands: Commands,
+    render_device: Res<RenderDevice>,
+    mut texture_bind_group_cache: ResMut<TextureBindGroupCache>,
+) {
+    // TODO: draw will add the texture as a component that
+    // will be extracted here and added to the cache
+}
+
 // Resource wrapper for our view uniform bind group
 #[derive(Resource)]
 struct ViewUniformBindGroup {

bevy_nannou_render/src/pipeline.rs

@@ -108,8 +108,7 @@ impl NannouPipeline {
             offset: 0,
             shader_location: 3,
         }])
-        // TODO: figure out how to use the default depth buffer.
-        // .depth_format(depth_format)
+        .depth_format(depth_format)
         .sample_count(sample_count)
         .color_blend(blend_state.color)
         .alpha_blend(blend_state.alpha)
@@ -248,10 +247,6 @@ impl FromWorld for NannouPipeline {
             .into_iter()
             .collect();
 
-        // Bind group per user-uploaded texture.
-        // let texture_bind_group_layouts = Default::default();
-        // let texture_bind_groups = Default::default();
-
         let texture_bind_group_layout = Self::create_texture_bind_group_layout(
             device,
             bevy_nannou_wgpu::sampler_filtering(&sampler_desc),

result

@@ -0,0 +1 @@
+/nix/store/gyl0afb7w4yba6ryjzw6a1az8ixii3vg-nannou-0.19.0