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binding group per model

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This commit is contained in:
Quaternions 2023-09-05 14:58:18 -07:00
parent 1a1509f315
commit 69c7896011
1 changed files with 72 additions and 48 deletions
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120
src/main.rs
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@ -12,11 +12,23 @@ struct Vertex {
}
struct Entity {
transform: glam::Affine3A,
vertex_count: u32,
vertex_buf: wgpu::Buffer,
}
//temp?
struct ModelData {
transform: glam::Affine3A,
entities: Vec<Entity>,
}
struct Model {
transform: glam::Affine3A,
entities: Vec<Entity>,
bind_group: wgpu::BindGroup,
model_buf: wgpu::Buffer,
}
// Note: we use the Y=up coordinate space in this example.
struct Camera {
time: Instant,
@ -112,10 +124,8 @@ pub struct Skybox {
entity_pipeline: wgpu::RenderPipeline,
ground_pipeline: wgpu::RenderPipeline,
main_bind_group: wgpu::BindGroup,
model_bind_group: wgpu::BindGroup,
camera_buf: wgpu::Buffer,
entity_buf: wgpu::Buffer,
entities: Vec<Entity>,
models: Vec<Model>,
depth_view: wgpu::TextureView,
staging_belt: wgpu::util::StagingBelt,
}
@ -146,16 +156,17 @@ impl Skybox {
}
}
fn get_entity_uniform_data(entity:&Entity) -> [f32; 4*4] {
fn get_transform_uniform_data(transform:&glam::Affine3A) -> [f32; 4*4] {
let mut raw = [0f32; 4*4];
raw[0..16].copy_from_slice(&AsRef::<[f32; 4*4]>::as_ref(&glam::Mat4::from(entity.transform))[..]);
raw[0..16].copy_from_slice(&AsRef::<[f32; 4*4]>::as_ref(&glam::Mat4::from(*transform))[..]);
raw
}
fn add_obj(device:&wgpu::Device,entities:& mut Vec<Entity>,source:&[u8]){
fn add_obj(device:&wgpu::Device,modeldatas:& mut Vec<ModelData>,source:&[u8]){
let data = obj::ObjData::load_buf(&source[..]).unwrap();
let mut vertices = Vec::new();
for object in data.objects {
let mut entities = Vec::<Entity>::new();
for group in object.groups {
vertices.clear();
for poly in group.polys {
@ -176,11 +187,14 @@ fn add_obj(device:&wgpu::Device,entities:& mut Vec<Entity>,source:&[u8]){
usage: wgpu::BufferUsages::VERTEX,
});
entities.push(Entity {
transform: glam::Affine3A::default(),
vertex_count: vertices.len() as u32,
vertex_buf,
});
}
modeldatas.push(ModelData {
transform: glam::Affine3A::default(),
entities,
})
}
}
@ -197,11 +211,11 @@ impl strafe_client::framework::Example for Skybox {
device: &wgpu::Device,
queue: &wgpu::Queue,
) -> Self {
let mut entities = Vec::<Entity>::new();
add_obj(device,& mut entities,include_bytes!("../models/teslacyberv3.0.obj"));
add_obj(device,& mut entities,include_bytes!("../models/suzanne.obj"));
println!("entities.len = {:?}", entities.len());
entities[6].transform=glam::Affine3A::from_translation(glam::vec3(10.,5.,10.));
let mut modeldatas = Vec::<ModelData>::new();
add_obj(device,& mut modeldatas,include_bytes!("../models/teslacyberv3.0.obj"));
add_obj(device,& mut modeldatas,include_bytes!("../models/suzanne.obj"));
println!("models.len = {:?}", modeldatas.len());
modeldatas[1].transform=glam::Affine3A::from_translation(glam::vec3(10.,5.,10.));
let main_bind_group_layout = device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
label: None,
@ -279,13 +293,6 @@ impl strafe_client::framework::Example for Skybox {
usage: wgpu::BufferUsages::UNIFORM | wgpu::BufferUsages::COPY_DST,
});
let entity_uniforms = get_entity_uniform_data(&entities[6]);
let entity_buf = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
label: Some("EntityData"),
contents: bytemuck::cast_slice(&entity_uniforms),
usage: wgpu::BufferUsages::UNIFORM | wgpu::BufferUsages::COPY_DST,
});
let pipeline_layout = device.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
label: None,
bind_group_layouts: &[&main_bind_group_layout, &model_bind_group_layout],
@ -480,16 +487,31 @@ impl strafe_client::framework::Example for Skybox {
],
label: Some("Camera"),
});
let model_bind_group = device.create_bind_group(&wgpu::BindGroupDescriptor {
layout: &model_bind_group_layout,
entries: &[
wgpu::BindGroupEntry {
binding: 0,
resource: entity_buf.as_entire_binding(),
},
],
label: Some("Model"),
});
let mut models = Vec::<Model>::new();
for (i,modeldata) in modeldatas.drain(..).enumerate() {
let model_uniforms = get_transform_uniform_data(&modeldata.transform);
let model_buf = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
label: Some(format!("Model{}",i).as_str()),
contents: bytemuck::cast_slice(&model_uniforms),
usage: wgpu::BufferUsages::UNIFORM | wgpu::BufferUsages::COPY_DST,
});
let model_bind_group = device.create_bind_group(&wgpu::BindGroupDescriptor {
layout: &model_bind_group_layout,
entries: &[
wgpu::BindGroupEntry {
binding: 0,
resource: model_buf.as_entire_binding(),
},
],
label: Some(format!("Model{}",i).as_str()),
});
models.push(Model{
transform: modeldata.transform,
entities: modeldata.entities,
bind_group: model_bind_group,
model_buf: model_buf,
})
}
let depth_view = Self::create_depth_texture(config, device);
@ -499,10 +521,8 @@ impl strafe_client::framework::Example for Skybox {
entity_pipeline,
ground_pipeline,
main_bind_group,
model_bind_group,
camera_buf,
entity_buf,
entities,
models,
depth_view,
staging_belt: wgpu::util::StagingBelt::new(0x100),
}
@ -629,17 +649,18 @@ impl strafe_client::framework::Example for Skybox {
device,
)
.copy_from_slice(bytemuck::cast_slice(&camera_uniforms));
let entity_uniforms = get_entity_uniform_data(&self.entities[6]);
self.staging_belt
.write_buffer(
&mut encoder,
&self.entity_buf,//description of where data will be written when command is executed
0,//offset in staging belt?
wgpu::BufferSize::new((entity_uniforms.len() * 4) as wgpu::BufferAddress).unwrap(),
device,
)
.copy_from_slice(bytemuck::cast_slice(&entity_uniforms));
for model in self.models.iter() {
let model_uniforms = get_transform_uniform_data(&model.transform);
self.staging_belt
.write_buffer(
&mut encoder,
&model.model_buf,//description of where data will be written when command is executed
0,//offset in staging belt?
wgpu::BufferSize::new((model_uniforms.len() * 4) as wgpu::BufferAddress).unwrap(),
device,
)
.copy_from_slice(bytemuck::cast_slice(&model_uniforms));
}
self.staging_belt.finish();
{
@ -669,12 +690,15 @@ impl strafe_client::framework::Example for Skybox {
});
rpass.set_bind_group(0, &self.main_bind_group, &[]);
rpass.set_bind_group(1, &self.model_bind_group, &[]);
rpass.set_pipeline(&self.entity_pipeline);
for entity in self.entities.iter() {
rpass.set_vertex_buffer(0, entity.vertex_buf.slice(..));
rpass.draw(0..entity.vertex_count, 0..1);
for model in self.models.iter() {
rpass.set_bind_group(1, &model.bind_group, &[]);
for entity in model.entities.iter() {
rpass.set_vertex_buffer(0, entity.vertex_buf.slice(..));
rpass.draw(0..entity.vertex_count, 0..1);
}
}
rpass.set_pipeline(&self.ground_pipeline);