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Async mesh loading works

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This commit is contained in:
Carter Anderson 2020-05-15 17:22:45 -07:00
parent 4e1abea161
commit 35adad6556
2 changed files with 28 additions and 25 deletions
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50
crates/bevy_render/src/mesh.rs
View file

@ -346,30 +346,34 @@ fn setup_mesh_resource(
render_resources.get_asset_resource(handle, INDEX_BUFFER_ASSET_INDEX),
)
} else {
let mesh_asset = meshes.get(&handle).unwrap();
let vertex_bytes = mesh_asset
.get_vertex_buffer_bytes(&vertex_buffer_descriptor)
.unwrap();
// TODO: use a staging buffer here
let vertex_buffer = render_resources.create_buffer_with_data(
BufferInfo {
buffer_usage: BufferUsage::VERTEX,
..Default::default()
},
&vertex_bytes,
);
let index_bytes = mesh_asset.get_index_buffer_bytes(index_format).unwrap();
let index_buffer = render_resources.create_buffer_with_data(
BufferInfo {
buffer_usage: BufferUsage::INDEX,
..Default::default()
},
&index_bytes,
);
if let Some(mesh_asset) = meshes.get(&handle) {
let vertex_bytes = mesh_asset
.get_vertex_buffer_bytes(&vertex_buffer_descriptor)
.unwrap();
// TODO: use a staging buffer here
let vertex_buffer = render_resources.create_buffer_with_data(
BufferInfo {
buffer_usage: BufferUsage::VERTEX,
..Default::default()
},
&vertex_bytes,
);
let index_bytes = mesh_asset.get_index_buffer_bytes(index_format).unwrap();
let index_buffer = render_resources.create_buffer_with_data(
BufferInfo {
buffer_usage: BufferUsage::INDEX,
..Default::default()
},
&index_bytes,
);
render_resources.set_asset_resource(handle, vertex_buffer, VERTEX_BUFFER_ASSET_INDEX);
render_resources.set_asset_resource(handle, index_buffer, INDEX_BUFFER_ASSET_INDEX);
(vertex_buffer, Some(index_buffer))
render_resources.set_asset_resource(handle, vertex_buffer, VERTEX_BUFFER_ASSET_INDEX);
render_resources.set_asset_resource(handle, index_buffer, INDEX_BUFFER_ASSET_INDEX);
(vertex_buffer, Some(index_buffer))
} else {
// mesh doesn't exist. it probably hasn't loaded yet
return;
}
};
render_resource_assignments.set_vertex_buffer("Vertex", vertex_buffer, index_buffer);

3
examples/3d/load_model.rs
View file

@ -11,12 +11,11 @@ fn main() {
fn setup(
command_buffer: &mut CommandBuffer,
asset_server: ResMut<AssetServer>,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
// load the mesh
let mesh_handle = asset_server
.load_sync(&mut meshes, "assets/models/monkey/Monkey.gltf")
.load("assets/models/monkey/Monkey.gltf")
.unwrap();
// create a material for the mesh