forestia/bevy
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Move all the initialization logic to a system for manual_material example.

Browse Source
This commit is contained in:
andriyDev 2025-07-13 14:04:39 -07:00
parent ab5a35a677
commit a3d12cfcec
1 changed files with 35 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

76
examples/3d/manual_material.rs
View File

@ -29,7 +29,7 @@ use bevy::{
sync_world::MainEntity,
texture::GpuImage,
view::ExtractedView,
Extract, RenderApp,
Extract, RenderApp, RenderStartup,
},
utils::Parallel,
};
@ -55,54 +55,48 @@ impl Plugin for ImageMaterialPlugin {
check_entities_needing_specialization.after(AssetEventSystems),
)
.init_resource::<EntitiesNeedingSpecialization<ImageMaterial>>();
}
fn finish(&self, app: &mut App) {
let Some(render_app) = app.get_sub_app_mut(RenderApp) else {
return;
};
render_app.add_systems(
ExtractSchedule,
(
extract_image_materials,
extract_image_materials_needing_specialization,
),
);
render_app.world_mut().resource_scope(
|world: &mut World, mut bind_group_allocators: Mut<MaterialBindGroupAllocators>| {
world.resource_scope(|world: &mut World, render_device: Mut<RenderDevice>| {
let bind_group_layout = render_device.create_bind_group_layout(
"image_material_layout",
&BindGroupLayoutEntries::sequential(
ShaderStages::FRAGMENT,
(
texture_2d(TextureSampleType::Float { filterable: false }),
sampler(SamplerBindingType::NonFiltering),
),
),
);
let sampler = render_device.create_sampler(&SamplerDescriptor::default());
world.insert_resource(ImageMaterialBindGroupLayout(bind_group_layout.clone()));
world.insert_resource(ImageMaterialBindGroupSampler(sampler));
bind_group_allocators.insert(
TypeId::of::<ImageMaterial>(),
MaterialBindGroupAllocator::new(
&render_device,
None,
None,
bind_group_layout,
None,
),
);
});
},
);
render_app
.add_systems(RenderStartup, init_image_material_resources)
.add_systems(
ExtractSchedule,
(
extract_image_materials,
extract_image_materials_needing_specialization,
),
);
}
}
fn init_image_material_resources(
mut commands: Commands,
render_device: Res<RenderDevice>,
mut bind_group_allocators: ResMut<MaterialBindGroupAllocators>,
) {
let bind_group_layout = render_device.create_bind_group_layout(
"image_material_layout",
&BindGroupLayoutEntries::sequential(
ShaderStages::FRAGMENT,
(
texture_2d(TextureSampleType::Float { filterable: false }),
sampler(SamplerBindingType::NonFiltering),
),
),
);
let sampler = render_device.create_sampler(&SamplerDescriptor::default());
commands.insert_resource(ImageMaterialBindGroupLayout(bind_group_layout.clone()));
commands.insert_resource(ImageMaterialBindGroupSampler(sampler));
bind_group_allocators.insert(
TypeId::of::<ImageMaterial>(),
MaterialBindGroupAllocator::new(&render_device, None, None, bind_group_layout, None),
);
}
#[derive(Resource)]
struct ImageMaterialBindGroupLayout(BindGroupLayout);