indexed rendering
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parent
2dba9554ea
commit
75695946a0
51
src/main.rs
51
src/main.rs
@ -12,18 +12,20 @@ struct Vertex {
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}
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}
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struct Entity {
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struct Entity {
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vertex_count: u32,
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index_count: u32,
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vertex_buf: wgpu::Buffer,
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index_buf: wgpu::Buffer,
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}
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}
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//temp?
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//temp?
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struct ModelData {
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struct ModelData {
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transform: glam::Affine3A,
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transform: glam::Affine3A,
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vertex_buf: wgpu::Buffer,
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entities: Vec<Entity>,
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entities: Vec<Entity>,
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}
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}
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struct Model {
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struct Model {
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transform: glam::Affine3A,
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transform: glam::Affine3A,
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vertex_buf: wgpu::Buffer,
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entities: Vec<Entity>,
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entities: Vec<Entity>,
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bind_group: wgpu::BindGroup,
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bind_group: wgpu::BindGroup,
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model_buf: wgpu::Buffer,
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model_buf: wgpu::Buffer,
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@ -165,34 +167,47 @@ fn get_transform_uniform_data(transform:&glam::Affine3A) -> [f32; 4*4] {
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fn add_obj(device:&wgpu::Device,modeldatas:& mut Vec<ModelData>,source:&[u8]){
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fn add_obj(device:&wgpu::Device,modeldatas:& mut Vec<ModelData>,source:&[u8]){
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let data = obj::ObjData::load_buf(&source[..]).unwrap();
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let data = obj::ObjData::load_buf(&source[..]).unwrap();
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let mut vertices = Vec::new();
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let mut vertices = Vec::new();
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let mut vertex_index = std::collections::HashMap::<obj::IndexTuple,u16>::new();
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for object in data.objects {
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for object in data.objects {
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let mut entities = Vec::<Entity>::new();
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let mut entities = Vec::<Entity>::new();
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for group in object.groups {
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for group in object.groups {
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vertices.clear();
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let mut indices = Vec::new();
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for poly in group.polys {
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for poly in group.polys {
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for end_index in 2..poly.0.len() {
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for end_index in 2..poly.0.len() {
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for &index in &[0, end_index - 1, end_index] {
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for &index in &[0, end_index - 1, end_index] {
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let obj::IndexTuple(position_id, _texture_id, normal_id) =
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let vert = poly.0[index];
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poly.0[index];
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if let Some(&i)=vertex_index.get(&vert){
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vertices.push(Vertex {
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indices.push(i as u16);
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pos: data.position[position_id],
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}else{
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normal: data.normal[normal_id.unwrap()],
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let i=vertices.len() as u16;
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})
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vertices.push(Vertex {
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pos: data.position[vert.0],
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normal: data.normal[vert.2.unwrap()],
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});
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vertex_index.insert(vert,i);
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indices.push(i);
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}
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}
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}
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}
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}
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}
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}
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let vertex_buf = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
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let index_buf = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
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label: Some("Vertex"),
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label: Some("Index"),
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contents: bytemuck::cast_slice(&vertices),
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contents: bytemuck::cast_slice(&indices),
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usage: wgpu::BufferUsages::VERTEX,
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usage: wgpu::BufferUsages::INDEX,
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});
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});
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entities.push(Entity {
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entities.push(Entity {
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vertex_count: vertices.len() as u32,
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index_buf,
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vertex_buf,
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index_count: indices.len() as u32,
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});
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});
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}
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}
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let vertex_buf = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
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label: Some("Vertex"),
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contents: bytemuck::cast_slice(&vertices),
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usage: wgpu::BufferUsages::VERTEX,
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});
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modeldatas.push(ModelData {
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modeldatas.push(ModelData {
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transform: glam::Affine3A::default(),
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transform: glam::Affine3A::default(),
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vertex_buf,
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entities,
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entities,
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})
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})
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}
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}
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@ -512,6 +527,7 @@ impl strafe_client::framework::Example for Skybox {
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//all of these are being moved here
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//all of these are being moved here
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models.push(Model{
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models.push(Model{
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transform: modeldata.transform,
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transform: modeldata.transform,
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vertex_buf:modeldata.vertex_buf,
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entities: modeldata.entities,
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entities: modeldata.entities,
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bind_group: model_bind_group,
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bind_group: model_bind_group,
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model_buf: model_buf,
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model_buf: model_buf,
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@ -700,10 +716,11 @@ impl strafe_client::framework::Example for Skybox {
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rpass.set_pipeline(&self.entity_pipeline);
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rpass.set_pipeline(&self.entity_pipeline);
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for model in self.models.iter() {
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for model in self.models.iter() {
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rpass.set_bind_group(1, &model.bind_group, &[]);
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rpass.set_bind_group(1, &model.bind_group, &[]);
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rpass.set_vertex_buffer(0, model.vertex_buf.slice(..));
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for entity in model.entities.iter() {
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for entity in model.entities.iter() {
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rpass.set_vertex_buffer(0, entity.vertex_buf.slice(..));
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rpass.set_index_buffer(entity.index_buf.slice(..), wgpu::IndexFormat::Uint16);
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rpass.draw(0..entity.vertex_count, 0..1);
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rpass.draw_indexed(0..entity.index_count, 0, 0..1);
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}
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}
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}
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}
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