Merge pull request #974 from tychedelia/render-fn

Add new render function for raw wgpu.

Cargo.toml

@@ -14,6 +14,7 @@ members = [
     "nannou_new",
     "nannou_osc",
     "nannou_package",
+    "nannou_wgpu",
     "nature_of_code",
     "scripts/run_all_examples",
     "scripts/set_version",
@@ -26,9 +27,11 @@ resolver = "2"
 bevy = "0.14.0"
 bevy_egui = "0.28.0"
 bevy-inspector-egui = "0.25.0"
+image = "0.25"
 rayon = "1.10"
 bevy_common_assets = "0.11.0"
 serde = "1"
 serde_json = "1"
 toml = "0.8"
-serde_yaml = "0.9"
+serde_yaml = "0.9"
+wgpu = "0.20"

examples/Cargo.toml

@@ -230,4 +230,24 @@ required-features = ["video"]
 [[example]]
 name = "video_material"
 path = "video/video_material.rs"
-required-features = ["video"]
+required-features = ["video"]
+
+# WebGPU
+[[example]]
+name = "wgpu_compute_shader"
+path = "wgpu/wgpu_compute_shader/wgpu_compute_shader.rs"
+[[example]]
+name = "wgpu_image"
+path = "wgpu/wgpu_image/wgpu_image.rs"
+[[example]]
+name = "wgpu_image_sequence"
+path = "wgpu/wgpu_image_sequence/wgpu_image_sequence.rs"
+[[example]]
+name = "wgpu_instancing"
+path = "wgpu/wgpu_instancing/wgpu_instancing.rs"
+[[example]]
+name = "wgpu_teapot"
+path = "wgpu/wgpu_teapot/wgpu_teapot.rs"
+[[example]]
+name = "wgpu_triangle"
+path = "wgpu/wgpu_triangle/wgpu_triangle.rs"

examples/wgpu/wgpu_compute_shader/shaders/cs.wgsl

@@ -0,0 +1,22 @@
+struct Buffer {
+    data: array<f32>,
+};
+
+struct Uniforms {
+    time: f32,
+    freq: f32,
+    oscillator_count: u32,
+};
+
+@group(0) @binding(0)
+var<storage, read_write> output: Buffer;
+@group(0) @binding(1)
+var<uniform> uniforms: Uniforms;
+
+@compute @workgroup_size(1, 1, 1)
+fn main(@builtin(global_invocation_id) id: vec3<u32>) {
+    let index: u32 = id.x;
+    let phase: f32 = uniforms.time + f32(index) * uniforms.freq / f32(uniforms.oscillator_count);
+    output.data[index] = sin(phase) * 0.5 + 0.5;
+    return;
+}