benches/voxel_map_benchmark.rs

@@ -25,7 +25,7 @@ fn voxel_vec_3d(data: Vec<Vec<Vec<Voxel>>>) -> Voxel {
     return data[X][Y][Z];
 }
 
-fn voxel_map_benchmark(c: &mut Criterion) {
+fn criterion_benchmark(c: &mut Criterion) {
     let vec_1d = vec![Voxel { r: 0, g: 0, b: 0 }; MAP_WIDTH * MAP_HEIGHT * MAP_DEPTH];
     let vec_3d = vec![vec![vec![Voxel { r: 0, g: 0, b: 0 }; MAP_DEPTH]; MAP_HEIGHT]; MAP_WIDTH];
 
@@ -33,5 +33,5 @@ fn voxel_map_benchmark(c: &mut Criterion) {
     c.bench_function("voxels in 3d vector", |b| b.iter(|| voxel_vec_3d(black_box(vec_3d.clone()))));
 }
 
-criterion_group!(benches, voxel_map_benchmark);
+criterion_group!(benches, criterion_benchmark);
 criterion_main!(benches);

shaders/cube.wgsl

@@ -1,27 +0,0 @@
-struct VertexOutput {
-    @location(0) color: vec3<f32>,
-    @builtin(position) position: vec4<f32>
-};
-
-struct Locals {
-    transform: mat4x4<f32>
-};
-
-@group(0) @binding(0)
-var r_locals: Locals;
-
-@vertex
-fn vs_main(
-    @location(0) position: vec4<f32>,
-    @location(1) color: vec3<f32>,
-) -> VertexOutput {
-    var out: VertexOutput;
-    out.color = color;
-    out.position = r_locals.transform * position;
-    return out;
-}
-
-@fragment
-fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {
-    return vec4<f32>(in.color.r, in.color.g, in.color.b, 1.0);
-}

src/cube.rs

@@ -1,114 +0,0 @@
-#[derive(Copy, Clone)]
-pub struct Vertex {
-    position: [f32; 4],
-    color: [f32; 3]
-}
-
-fn vertex(pos: [i8; 3], color: [i8; 3]) -> Vertex {
-    Vertex {
-        position: [pos[0] as f32, pos[1] as f32, pos[2] as f32, 1.0],
-        color: [color[0] as f32, color[1] as f32, color[2] as f32]
-    }
-}
-
-pub fn create_vertices() -> (Vec<Vertex>, Vec<u16>) {
-    let vertex_data = [
-        // top (0, 0, 1)
-        vertex([-1, -1, 1], [1, 0, 0]),
-        vertex([1, -1, 1],  [1, 0, 0]),
-        vertex([1, 1, 1],   [1, 0, 0]),
-        vertex([-1, 1, 1],  [1, 0, 0]),
-        // bottom (0, 0, -1)
-        vertex([-1, 1, -1], [0, 1, 0]),
-        vertex([1, 1, -1],  [0, 1, 0]),
-        vertex([1, -1, -1], [0, 1, 0]),
-        vertex([-1, -1, -1],[0, 1, 0]),
-        // right (1, 0, 0)
-        vertex([1, -1, -1], [0, 0, 1]),
-        vertex([1, 1, -1],  [0, 0, 1]),
-        vertex([1, 1, 1],   [0, 0, 1]),
-        vertex([1, -1, 1],  [0, 0, 1]),
-        // left (-1, 0, 0)
-        vertex([-1, -1, 1],  [1, 1, 1]),
-        vertex([-1, 1, 1],   [1, 1, 1]),
-        vertex([-1, 1, -1],  [1, 1, 1]),
-        vertex([-1, -1, -1], [1, 1, 1]),
-        // front (0, 1, 0)
-        vertex([1, 1, -1],  [1, 1, 0]),
-        vertex([-1, 1, -1], [1, 1, 0]),
-        vertex([-1, 1, 1],  [1, 1, 0]),
-        vertex([1, 1, 1],   [1, 1, 0]),
-        // back (0, -1, 0)
-        vertex([1, -1, 1],   [0, 0, 0]),
-        vertex([-1, -1, 1],  [0, 0, 0]),
-        vertex([-1, -1, -1], [0, 0, 0]),
-        vertex([1, -1, -1],  [0, 0, 0]),
-    ];
-
-    let index_data: &[u16] = &[
-        0, 1, 2, 2, 3, 0, // top
-        4, 5, 6, 6, 7, 4, // bottom
-        8, 9, 10, 10, 11, 8, // right
-        12, 13, 14, 14, 15, 12, // left
-        16, 17, 18, 18, 19, 16, // front
-        20, 21, 22, 22, 23, 20, // back
-    ];
-
-    (vertex_data.to_vec(), index_data.to_vec())
-}
-
-
-// OLD
-/*
-use std::mem::size_of;
-
-const CUBE_VERTEX_SIZE: usize = size_of::<f32>() * 10;
-const CUBE_VERTEX_COUNT: usize = 36;
-const CUBE_VERTEX_POS_OFFSET: usize = 0;
-const CUBE_VERTEX_COLOR_OFFSET: usize = size_of::<f32>() * 4;
-const CUBE_VERTEX_UV_OFFSET: usize = size_of::<f32>() * 8;
-const CUBE_VERTICES: [f32; 24] = [
-    // float4 position, float4 color, float2 uv
-    1, -1, 1, 1,   1, 0, 1, 1,  0, 1,
-    -1, -1, 1, 1,  0, 0, 1, 1,  1, 1,
-    -1, -1, -1, 1, 0, 0, 0, 1,  1, 0,
-    1, -1, -1, 1,  1, 0, 0, 1,  0, 0,
-    1, -1, 1, 1,   1, 0, 1, 1,  0, 1,
-    -1, -1, -1, 1, 0, 0, 0, 1,  1, 0,
-
-    1, 1, 1, 1,    1, 1, 1, 1,  0, 1,
-    1, -1, 1, 1,   1, 0, 1, 1,  1, 1,
-    1, -1, -1, 1,  1, 0, 0, 1,  1, 0,
-    1, 1, -1, 1,   1, 1, 0, 1,  0, 0,
-    1, 1, 1, 1,    1, 1, 1, 1,  0, 1,
-    1, -1, -1, 1,  1, 0, 0, 1,  1, 0,
-
-    -1, 1, 1, 1,   0, 1, 1, 1,  0, 1,
-    1, 1, 1, 1,    1, 1, 1, 1,  1, 1,
-    1, 1, -1, 1,   1, 1, 0, 1,  1, 0,
-    -1, 1, -1, 1,  0, 1, 0, 1,  0, 0,
-    -1, 1, 1, 1,   0, 1, 1, 1,  0, 1,
-    1, 1, -1, 1,   1, 1, 0, 1,  1, 0,
-
-    -1, -1, 1, 1,  0, 0, 1, 1,  0, 1,
-    -1, 1, 1, 1,   0, 1, 1, 1,  1, 1,
-    -1, 1, -1, 1,  0, 1, 0, 1,  1, 0,
-    -1, -1, -1, 1, 0, 0, 0, 1,  0, 0,
-    -1, -1, 1, 1,  0, 0, 1, 1,  0, 1,
-    -1, 1, -1, 1,  0, 1, 0, 1,  1, 0,
-
-    1, 1, 1, 1,    1, 1, 1, 1,  0, 1,
-    -1, 1, 1, 1,   0, 1, 1, 1,  1, 1,
-    -1, -1, 1, 1,  0, 0, 1, 1,  1, 0,
-    -1, -1, 1, 1,  0, 0, 1, 1,  1, 0,
-    1, -1, 1, 1,   1, 0, 1, 1,  0, 0,
-    1, 1, 1, 1,    1, 1, 1, 1,  0, 1,
-
-    1, -1, -1, 1,  1, 0, 0, 1,  0, 1,
-    -1, -1, -1, 1, 0, 0, 0, 1,  1, 1,
-    -1, 1, -1, 1,  0, 1, 0, 1,  1, 0,
-    1, 1, -1, 1,   1, 1, 0, 1,  0, 0,
-    1, -1, -1, 1,  1, 0, 0, 1,  0, 1,
-    -1, 1, -1, 1,  0, 1, 0, 1,  1, 0,
-];
-*/

src/main.rs

@@ -1,14 +1,11 @@
 mod voxel;
-mod cube;
 
 use std::borrow::Cow;
-use wgpu::util::DeviceExt;
 use winit::{
     event::{Event, WindowEvent},
     event_loop::{ControlFlow, EventLoop},
     window::Window,
 };
-use std::mem;
 
 async fn run(event_loop: EventLoop<()>, window: Window) {
     let size = window.inner_size();
@@ -41,78 +38,18 @@ async fn run(event_loop: EventLoop<()>, window: Window) {
         .await
         .expect("Failed to create device");
 
-    let (vertex_data, index_data) = cube::create_vertices();
+    // Load the shaders from disk
-
+    let shader = device.create_shader_module(wgpu::ShaderModuleDescriptor {
-    let vertex_buffer = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
-        label: Some("Vertex Buffer"),
-        contents:  bytemuck::cast_slice(&vertex_data),
-        usage: wgpu::BufferUsages::VERTEX,
-    });
-
-    let index_buffer = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
-        label: Some("Index Buffer"),
-        contents: bytemuck::cast_slice(&index_data),
-        usage: wgpu::BufferUsages::INDEX,
-    });
-
-    let vertex_size = mem::size_of::<cube::Vertex>();
-    let vertex_buffer = wgpu::VertexBufferLayout {
-        array_stride: vertex_size as wgpu::BufferAddress,
-        step_mode: wgpu::VertexStepMode::Vertex,
-        attributes: &[
-            wgpu::VertexAttribute {
-                format: wgpu::VertexFormat::Float32x4,
-                offset: 0,
-                shader_location: 0,
-            },
-            wgpu::VertexAttribute {
-                format: wgpu::VertexFormat::Float32x3,
-                offset: mem::size_of::<f32>() as u64 * 4,
-                shader_location: 1,
-            },
-        ],
-    };
-
-    let bind_group_layout = device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
         label: None,
-        entries: &[
+        source: wgpu::ShaderSource::Wgsl(Cow::Borrowed(include_str!("shader.wgsl"))),
-            wgpu::BindGroupLayoutEntry {
-                binding: 0,
-                visibility: wgpu::ShaderStages::VERTEX,
-                ty: wgpu::BindingType::Buffer {
-                    ty: wgpu::BufferBindingType::Uniform,
-                    has_dynamic_offset: false,
-                    min_binding_size: wgpu::BufferSize::new(64),
-                },
-                count: None,
-            }
-        ],
     });
 
     let pipeline_layout = device.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
         label: None,
-        bind_group_layouts: &[&bind_group_layout],
+        bind_group_layouts: &[],
         push_constant_ranges: &[],
     });
 
-    // Create bind group
-    let bind_group = device.create_bind_group(&wgpu::BindGroupDescriptor {
-        layout: &bind_group_layout,
-        entries: &[
-            wgpu::BindGroupEntry {
-                binding: 0,
-                resource: uniform_buffer.as_entire_binding(),
-            }
-        ],
-        label: None,
-    });
-
-    // Load the shaders from disk
-    let shader = device.create_shader_module(wgpu::ShaderModuleDescriptor {
-        label: None,
-        source: wgpu::ShaderSource::Wgsl(Cow::Borrowed(include_str!("../shaders/cube.wgsl"))),
-    });
-
     let swapchain_capabilities = surface.get_capabilities(&adapter);
     let swapchain_format = swapchain_capabilities.formats[0];
 
@@ -122,17 +59,14 @@ async fn run(event_loop: EventLoop<()>, window: Window) {
         vertex: wgpu::VertexState {
             module: &shader,
             entry_point: "vs_main",
-            buffers: &[vertex_buffer],
+            buffers: &[],
         },
         fragment: Some(wgpu::FragmentState {
             module: &shader,
             entry_point: "fs_main",
             targets: &[Some(swapchain_format.into())],
         }),
-        primitive: wgpu::PrimitiveState {
+        primitive: wgpu::PrimitiveState::default(),
-            cull_mode: Some(wgpu::Face::Back),
-            ..Default::default()
-        },
         depth_stencil: None,
         multisample: wgpu::MultisampleState::default(),
         multiview: None,
@@ -192,10 +126,7 @@ async fn run(event_loop: EventLoop<()>, window: Window) {
                         depth_stencil_attachment: None,
                     });
                     rpass.set_pipeline(&render_pipeline);
-                    rpass.set_bind_group(0, &bind_group, &[]);
+                    rpass.draw(0..3, 0..1);
-                    rpass.set_index_buffer(index_buffer.slice(..), wgpu::IndexFormat::Uint16);
-                    rpass.set_vertex_buffer(0, vertex_buffer.slice(..));
-                    rpass.draw_indexed(0..index_data.len() as u32, 0, 0..1);
                 }
 
                 queue.submit(Some(encoder.finish()));

src/shader.wgsl

@@ -1,26 +1,11 @@
-
-
 @vertex
 fn vs_main(@builtin(vertex_index) in_vertex_index: u32) -> @builtin(position) vec4<f32> {
     let x = f32(i32(in_vertex_index) - 1);
     let y = f32(i32(in_vertex_index & 1u) * 2 - 1);
     return vec4<f32>(x, y, 0.0, 1.0);
-
-    // param 0
-    // x = -1
-    // y = -1
-
-    // param 1
-    // x = 0
-    // y = 1
-
-    // param 2
-    // x = 1
-    // y = -1
-
 }
 
 @fragment
 fn fs_main() -> @location(0) vec4<f32> {
-    return vec4<f32>(0.0, 0.0, 1.0, 1.0);
+    return vec4<f32>(1.0, 0.0, 0.0, 1.0);
 }