They removed [[block]] from WGSL struct declarations.

js/webgpu/main.js

@@ -50,7 +50,7 @@ export default async (canvas, config) => {
 			GPUTextureUsage.RENDER_ATTACHMENT | GPUTextureUsage.COPY_DST,
 	};
 
-	const timeUniforms = structs.from(`[[block]] struct Time { seconds : f32; frames : i32; };`).Time;
+	const timeUniforms = structs.from(`struct Time { seconds : f32; frames : i32; };`).Time;
 	const timeBuffer = makeUniformBuffer(device, timeUniforms);
 
 	const context = {

lib/gpu-buffer.js

@@ -123,7 +123,7 @@ const parseAttributes = (str) => {
 	return attributes;
 };
 
-const parseStructLayout = (identifier, body, isBlock, structLayouts) => {
+const parseStructLayout = (identifier, body, structLayouts) => {
 	const fields = [];
 	let byteOffset = 0;
 	const lines = body
@@ -154,7 +154,7 @@ const parseStructLayout = (identifier, body, isBlock, structLayouts) => {
 	const minSizeInBytes = byteOffset;
 	const align = Math.max(...fields.map((field) => field.align));
 	const size = Math.ceil(minSizeInBytes / align) * align;
-	return { identifier, isBlock, fields, size, align };
+	return { identifier, fields, size, align };
 };
 
 const parseStructLayoutsFromShader = (wgsl) => {
@@ -164,10 +164,10 @@ const parseStructLayoutsFromShader = (wgsl) => {
 		.replace(/\s+/gm, " "); // convert all contiguous whitespace to single space characters
 
 	const structLayouts = {};
-	const structMatches = Array.from(wgsl.matchAll(/(\[\[block\]\])? ?struct (\w+) ?\{(.*?)\};/g)); // [[block]] struct Foo {...}
+	const structMatches = Array.from(wgsl.matchAll(/struct (\w+) ?\{(.*?)\};/g)); // struct Foo {...}
 	for (const structMatch of structMatches) {
-		const [_, block, identifier, body] = structMatch;
-		const layout = parseStructLayout(identifier, body, block != null, structLayouts);
+		const [_, identifier, body] = structMatch;
+		const layout = parseStructLayout(identifier, body, structLayouts);
 		if (layout != null) {
 			structLayouts[layout.identifier] = layout;
 		}

shaders/wgsl/bloomBlur.wgsl

@@ -1,6 +1,6 @@
 let ONE_OVER_SQRT_2PI = 0.39894;
 
-[[block]] struct Config {
+struct Config {
 	bloomRadius : f32;
 	direction : vec2<f32>;
 };

shaders/wgsl/bloomCombine.wgsl

@@ -1,4 +1,4 @@
-[[block]] struct Config {
+struct Config {
 	bloomStrength : f32;
 	pyramidHeight : f32;
 };

shaders/wgsl/palettePass.wgsl

@@ -1,13 +1,13 @@
-[[block]] struct Config {
+struct Config {
 	ditherMagnitude : f32;
 	backgroundColor : vec3<f32>;
 };
 
-[[block]] struct Palette {
+struct Palette {
 	colors : array<vec3<f32>, 512>;
 };
 
-[[block]] struct Time {
+struct Time {
 	seconds : f32;
 	frames : i32;
 };

shaders/wgsl/rainPass.wgsl

@@ -1,7 +1,7 @@
 // This shader module is the star of the show.
 // It is where the cell states update and the symbols get drawn to the screen.
 
-[[block]] struct Config {
+struct Config {
 	// common properties used for compute and rendering
 	animationSpeed : f32;
 	glyphSequenceLength : i32;
@@ -41,20 +41,20 @@
 };
 
 // The properties that change over time get their own buffer.
-[[block]] struct Time {
+struct Time {
 	seconds : f32;
 	frames : i32;
 };
 
 // The properties related to the size of the canvas get their own buffer.
-[[block]] struct Scene {
+struct Scene {
 	screenSize : vec2<f32>;
 	camera : mat4x4<f32>;
 	transform : mat4x4<f32>;
 };
 
 // The array of cells that the compute shader updates, and the fragment shader draws.
-[[block]] struct CellData {
+struct CellData {
 	cells: array<vec4<f32>>;
 };
 

shaders/wgsl/resurrectionPass.wgsl

@@ -1,9 +1,9 @@
-[[block]] struct Config {
+struct Config {
 	ditherMagnitude : f32;
 	backgroundColor : vec3<f32>;
 };
 
-[[block]] struct Time {
+struct Time {
 	seconds : f32;
 	frames : i32;
 };

shaders/wgsl/stripePass.wgsl

@@ -1,9 +1,9 @@
-[[block]] struct Config {
+struct Config {
 	ditherMagnitude : f32;
 	backgroundColor : vec3<f32>;
 };
 
-[[block]] struct Time {
+struct Time {
 	seconds : f32;
 	frames : i32;
 };