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graphics: move get_instances_buffer_data away from the cool render code

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Quaternions 2025-03-14 15:38:29 -07:00
parent 0fb0230cb1
commit 8fb0d30e1d
1 changed files with 20 additions and 19 deletions

39
engine/graphics/src/graphics.rs

@ -103,6 +103,26 @@ impl std::default::Default for GraphicsCamera{
}
}
const MODEL_BUFFER_SIZE:usize=4*4 + 12 + 4;//let size=std::mem::size_of::<ModelInstance>();
const MODEL_BUFFER_SIZE_BYTES:usize=MODEL_BUFFER_SIZE*4;
fn get_instances_buffer_data(instances:&[GraphicsModelOwned])->Vec<f32>{
let mut raw=Vec::with_capacity(MODEL_BUFFER_SIZE*instances.len());
for mi in instances{
//model transform
raw.extend_from_slice(&AsRef::<[f32; 4*4]>::as_ref(&mi.transform)[..]);
//normal transform
raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.x_axis));
raw.extend_from_slice(&[0.0]);
raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.y_axis));
raw.extend_from_slice(&[0.0]);
raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.z_axis));
raw.extend_from_slice(&[0.0]);
//color
raw.extend_from_slice(AsRef::<[f32; 4]>::as_ref(&mi.color.get()));
}
raw
}
pub struct GraphicsState{
pipelines:GraphicsPipelines,
bind_groups:GraphicsBindGroups,
@ -967,22 +987,3 @@ impl GraphicsState{
self.staging_belt.recall();
}
}
const MODEL_BUFFER_SIZE:usize=4*4 + 12 + 4;//let size=std::mem::size_of::<ModelInstance>();
const MODEL_BUFFER_SIZE_BYTES:usize=MODEL_BUFFER_SIZE*4;
fn get_instances_buffer_data(instances:&[GraphicsModelOwned])->Vec<f32>{
let mut raw=Vec::with_capacity(MODEL_BUFFER_SIZE*instances.len());
for mi in instances{
//model transform
raw.extend_from_slice(&AsRef::<[f32; 4*4]>::as_ref(&mi.transform)[..]);
//normal transform
raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.x_axis));
raw.extend_from_slice(&[0.0]);
raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.y_axis));
raw.extend_from_slice(&[0.0]);
raw.extend_from_slice(AsRef::<[f32; 3]>::as_ref(&mi.normal_transform.z_axis));
raw.extend_from_slice(&[0.0]);
//color
raw.extend_from_slice(AsRef::<[f32; 4]>::as_ref(&mi.color.get()));
}
raw
}