diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index 49869687a..3b7acb6ad 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -42723,6 +42723,47 @@ declare namespace CSS {
     function vw(value: number): CSSUnitValue;
 }
 
+declare namespace GPUBufferUsage {
+    const MAP_READ: 0x0001;
+    const MAP_WRITE: 0x0002;
+    const COPY_SRC: 0x0004;
+    const COPY_DST: 0x0008;
+    const INDEX: 0x0010;
+    const VERTEX: 0x0020;
+    const UNIFORM: 0x0040;
+    const STORAGE: 0x0080;
+    const INDIRECT: 0x0100;
+    const QUERY_RESOLVE: 0x0200;
+}
+
+declare namespace GPUColorWrite {
+    const RED: 0x1;
+    const GREEN: 0x2;
+    const BLUE: 0x4;
+    const ALPHA: 0x8;
+    const ALL: 0xF;
+}
+
+declare namespace GPUMapMode {
+    const READ: 0x0001;
+    const WRITE: 0x0002;
+}
+
+declare namespace GPUShaderStage {
+    const VERTEX: 0x1;
+    const FRAGMENT: 0x2;
+    const COMPUTE: 0x4;
+}
+
+declare namespace GPUTextureUsage {
+    const COPY_SRC: 0x01;
+    const COPY_DST: 0x02;
+    const TEXTURE_BINDING: 0x04;
+    const STORAGE_BINDING: 0x08;
+    const RENDER_ATTACHMENT: 0x10;
+    const TRANSIENT_ATTACHMENT: 0x20;
+}
+
 declare namespace WebAssembly {
     /** The **`WebAssembly.CompileError`** object indicates an error during WebAssembly decoding or validation. */
     interface CompileError extends Error {
diff --git a/baselines/serviceworker.generated.d.ts b/baselines/serviceworker.generated.d.ts
index d1f341b8f..62f0a4809 100644
--- a/baselines/serviceworker.generated.d.ts
+++ b/baselines/serviceworker.generated.d.ts
@@ -12774,6 +12774,47 @@ declare var WritableStreamDefaultWriter: {
     new<W = any>(stream: WritableStream<W>): WritableStreamDefaultWriter<W>;
 };
 
+declare namespace GPUBufferUsage {
+    const MAP_READ: 0x0001;
+    const MAP_WRITE: 0x0002;
+    const COPY_SRC: 0x0004;
+    const COPY_DST: 0x0008;
+    const INDEX: 0x0010;
+    const VERTEX: 0x0020;
+    const UNIFORM: 0x0040;
+    const STORAGE: 0x0080;
+    const INDIRECT: 0x0100;
+    const QUERY_RESOLVE: 0x0200;
+}
+
+declare namespace GPUColorWrite {
+    const RED: 0x1;
+    const GREEN: 0x2;
+    const BLUE: 0x4;
+    const ALPHA: 0x8;
+    const ALL: 0xF;
+}
+
+declare namespace GPUMapMode {
+    const READ: 0x0001;
+    const WRITE: 0x0002;
+}
+
+declare namespace GPUShaderStage {
+    const VERTEX: 0x1;
+    const FRAGMENT: 0x2;
+    const COMPUTE: 0x4;
+}
+
+declare namespace GPUTextureUsage {
+    const COPY_SRC: 0x01;
+    const COPY_DST: 0x02;
+    const TEXTURE_BINDING: 0x04;
+    const STORAGE_BINDING: 0x08;
+    const RENDER_ATTACHMENT: 0x10;
+    const TRANSIENT_ATTACHMENT: 0x20;
+}
+
 declare namespace WebAssembly {
     /** The **`WebAssembly.CompileError`** object indicates an error during WebAssembly decoding or validation. */
     interface CompileError extends Error {
diff --git a/baselines/sharedworker.generated.d.ts b/baselines/sharedworker.generated.d.ts
index 27b210acd..9338436c3 100644
--- a/baselines/sharedworker.generated.d.ts
+++ b/baselines/sharedworker.generated.d.ts
@@ -12500,6 +12500,47 @@ declare var XMLHttpRequestUpload: {
     new(): XMLHttpRequestUpload;
 };
 
+declare namespace GPUBufferUsage {
+    const MAP_READ: 0x0001;
+    const MAP_WRITE: 0x0002;
+    const COPY_SRC: 0x0004;
+    const COPY_DST: 0x0008;
+    const INDEX: 0x0010;
+    const VERTEX: 0x0020;
+    const UNIFORM: 0x0040;
+    const STORAGE: 0x0080;
+    const INDIRECT: 0x0100;
+    const QUERY_RESOLVE: 0x0200;
+}
+
+declare namespace GPUColorWrite {
+    const RED: 0x1;
+    const GREEN: 0x2;
+    const BLUE: 0x4;
+    const ALPHA: 0x8;
+    const ALL: 0xF;
+}
+
+declare namespace GPUMapMode {
+    const READ: 0x0001;
+    const WRITE: 0x0002;
+}
+
+declare namespace GPUShaderStage {
+    const VERTEX: 0x1;
+    const FRAGMENT: 0x2;
+    const COMPUTE: 0x4;
+}
+
+declare namespace GPUTextureUsage {
+    const COPY_SRC: 0x01;
+    const COPY_DST: 0x02;
+    const TEXTURE_BINDING: 0x04;
+    const STORAGE_BINDING: 0x08;
+    const RENDER_ATTACHMENT: 0x10;
+    const TRANSIENT_ATTACHMENT: 0x20;
+}
+
 declare namespace WebAssembly {
     /** The **`WebAssembly.CompileError`** object indicates an error during WebAssembly decoding or validation. */
     interface CompileError extends Error {
diff --git a/baselines/ts5.5/dom.generated.d.ts b/baselines/ts5.5/dom.generated.d.ts
index c2605d732..ee3fc164b 100644
--- a/baselines/ts5.5/dom.generated.d.ts
+++ b/baselines/ts5.5/dom.generated.d.ts
@@ -42697,6 +42697,47 @@ declare namespace CSS {
     function vw(value: number): CSSUnitValue;
 }
 
+declare namespace GPUBufferUsage {
+    const MAP_READ: 0x0001;
+    const MAP_WRITE: 0x0002;
+    const COPY_SRC: 0x0004;
+    const COPY_DST: 0x0008;
+    const INDEX: 0x0010;
+    const VERTEX: 0x0020;
+    const UNIFORM: 0x0040;
+    const STORAGE: 0x0080;
+    const INDIRECT: 0x0100;
+    const QUERY_RESOLVE: 0x0200;
+}
+
+declare namespace GPUColorWrite {
+    const RED: 0x1;
+    const GREEN: 0x2;
+    const BLUE: 0x4;
+    const ALPHA: 0x8;
+    const ALL: 0xF;
+}
+
+declare namespace GPUMapMode {
+    const READ: 0x0001;
+    const WRITE: 0x0002;
+}
+
+declare namespace GPUShaderStage {
+    const VERTEX: 0x1;
+    const FRAGMENT: 0x2;
+    const COMPUTE: 0x4;
+}
+
+declare namespace GPUTextureUsage {
+    const COPY_SRC: 0x01;
+    const COPY_DST: 0x02;
+    const TEXTURE_BINDING: 0x04;
+    const STORAGE_BINDING: 0x08;
+    const RENDER_ATTACHMENT: 0x10;
+    const TRANSIENT_ATTACHMENT: 0x20;
+}
+
 declare namespace WebAssembly {
     /** The **`WebAssembly.CompileError`** object indicates an error during WebAssembly decoding or validation. */
     interface CompileError extends Error {
diff --git a/baselines/ts5.5/serviceworker.generated.d.ts b/baselines/ts5.5/serviceworker.generated.d.ts
index ae05b3ddf..7c1800e02 100644
--- a/baselines/ts5.5/serviceworker.generated.d.ts
+++ b/baselines/ts5.5/serviceworker.generated.d.ts
@@ -12771,6 +12771,47 @@ declare var WritableStreamDefaultWriter: {
     new<W = any>(stream: WritableStream<W>): WritableStreamDefaultWriter<W>;
 };
 
+declare namespace GPUBufferUsage {
+    const MAP_READ: 0x0001;
+    const MAP_WRITE: 0x0002;
+    const COPY_SRC: 0x0004;
+    const COPY_DST: 0x0008;
+    const INDEX: 0x0010;
+    const VERTEX: 0x0020;
+    const UNIFORM: 0x0040;
+    const STORAGE: 0x0080;
+    const INDIRECT: 0x0100;
+    const QUERY_RESOLVE: 0x0200;
+}
+
+declare namespace GPUColorWrite {
+    const RED: 0x1;
+    const GREEN: 0x2;
+    const BLUE: 0x4;
+    const ALPHA: 0x8;
+    const ALL: 0xF;
+}
+
+declare namespace GPUMapMode {
+    const READ: 0x0001;
+    const WRITE: 0x0002;
+}
+
+declare namespace GPUShaderStage {
+    const VERTEX: 0x1;
+    const FRAGMENT: 0x2;
+    const COMPUTE: 0x4;
+}
+
+declare namespace GPUTextureUsage {
+    const COPY_SRC: 0x01;
+    const COPY_DST: 0x02;
+    const TEXTURE_BINDING: 0x04;
+    const STORAGE_BINDING: 0x08;
+    const RENDER_ATTACHMENT: 0x10;
+    const TRANSIENT_ATTACHMENT: 0x20;
+}
+
 declare namespace WebAssembly {
     /** The **`WebAssembly.CompileError`** object indicates an error during WebAssembly decoding or validation. */
     interface CompileError extends Error {
diff --git a/baselines/ts5.5/sharedworker.generated.d.ts b/baselines/ts5.5/sharedworker.generated.d.ts
index 227dc54d1..d7247d102 100644
--- a/baselines/ts5.5/sharedworker.generated.d.ts
+++ b/baselines/ts5.5/sharedworker.generated.d.ts
@@ -12497,6 +12497,47 @@ declare var XMLHttpRequestUpload: {
     new(): XMLHttpRequestUpload;
 };
 
+declare namespace GPUBufferUsage {
+    const MAP_READ: 0x0001;
+    const MAP_WRITE: 0x0002;
+    const COPY_SRC: 0x0004;
+    const COPY_DST: 0x0008;
+    const INDEX: 0x0010;
+    const VERTEX: 0x0020;
+    const UNIFORM: 0x0040;
+    const STORAGE: 0x0080;
+    const INDIRECT: 0x0100;
+    const QUERY_RESOLVE: 0x0200;
+}
+
+declare namespace GPUColorWrite {
+    const RED: 0x1;
+    const GREEN: 0x2;
+    const BLUE: 0x4;
+    const ALPHA: 0x8;
+    const ALL: 0xF;
+}
+
+declare namespace GPUMapMode {
+    const READ: 0x0001;
+    const WRITE: 0x0002;
+}
+
+declare namespace GPUShaderStage {
+    const VERTEX: 0x1;
+    const FRAGMENT: 0x2;
+    const COMPUTE: 0x4;
+}
+
+declare namespace GPUTextureUsage {
+    const COPY_SRC: 0x01;
+    const COPY_DST: 0x02;
+    const TEXTURE_BINDING: 0x04;
+    const STORAGE_BINDING: 0x08;
+    const RENDER_ATTACHMENT: 0x10;
+    const TRANSIENT_ATTACHMENT: 0x20;
+}
+
 declare namespace WebAssembly {
     /** The **`WebAssembly.CompileError`** object indicates an error during WebAssembly decoding or validation. */
     interface CompileError extends Error {
diff --git a/baselines/ts5.5/webworker.generated.d.ts b/baselines/ts5.5/webworker.generated.d.ts
index 3298efb4c..a78371342 100644
--- a/baselines/ts5.5/webworker.generated.d.ts
+++ b/baselines/ts5.5/webworker.generated.d.ts
@@ -14446,6 +14446,47 @@ declare var XMLHttpRequestUpload: {
     new(): XMLHttpRequestUpload;
 };
 
+declare namespace GPUBufferUsage {
+    const MAP_READ: 0x0001;
+    const MAP_WRITE: 0x0002;
+    const COPY_SRC: 0x0004;
+    const COPY_DST: 0x0008;
+    const INDEX: 0x0010;
+    const VERTEX: 0x0020;
+    const UNIFORM: 0x0040;
+    const STORAGE: 0x0080;
+    const INDIRECT: 0x0100;
+    const QUERY_RESOLVE: 0x0200;
+}
+
+declare namespace GPUColorWrite {
+    const RED: 0x1;
+    const GREEN: 0x2;
+    const BLUE: 0x4;
+    const ALPHA: 0x8;
+    const ALL: 0xF;
+}
+
+declare namespace GPUMapMode {
+    const READ: 0x0001;
+    const WRITE: 0x0002;
+}
+
+declare namespace GPUShaderStage {
+    const VERTEX: 0x1;
+    const FRAGMENT: 0x2;
+    const COMPUTE: 0x4;
+}
+
+declare namespace GPUTextureUsage {
+    const COPY_SRC: 0x01;
+    const COPY_DST: 0x02;
+    const TEXTURE_BINDING: 0x04;
+    const STORAGE_BINDING: 0x08;
+    const RENDER_ATTACHMENT: 0x10;
+    const TRANSIENT_ATTACHMENT: 0x20;
+}
+
 declare namespace WebAssembly {
     /** The **`WebAssembly.CompileError`** object indicates an error during WebAssembly decoding or validation. */
     interface CompileError extends Error {
diff --git a/baselines/ts5.6/dom.generated.d.ts b/baselines/ts5.6/dom.generated.d.ts
index 080755c34..6862af61a 100644
--- a/baselines/ts5.6/dom.generated.d.ts
+++ b/baselines/ts5.6/dom.generated.d.ts
@@ -42720,6 +42720,47 @@ declare namespace CSS {
     function vw(value: number): CSSUnitValue;
 }
 
+declare namespace GPUBufferUsage {
+    const MAP_READ: 0x0001;
+    const MAP_WRITE: 0x0002;
+    const COPY_SRC: 0x0004;
+    const COPY_DST: 0x0008;
+    const INDEX: 0x0010;
+    const VERTEX: 0x0020;
+    const UNIFORM: 0x0040;
+    const STORAGE: 0x0080;
+    const INDIRECT: 0x0100;
+    const QUERY_RESOLVE: 0x0200;
+}
+
+declare namespace GPUColorWrite {
+    const RED: 0x1;
+    const GREEN: 0x2;
+    const BLUE: 0x4;
+    const ALPHA: 0x8;
+    const ALL: 0xF;
+}
+
+declare namespace GPUMapMode {
+    const READ: 0x0001;
+    const WRITE: 0x0002;
+}
+
+declare namespace GPUShaderStage {
+    const VERTEX: 0x1;
+    const FRAGMENT: 0x2;
+    const COMPUTE: 0x4;
+}
+
+declare namespace GPUTextureUsage {
+    const COPY_SRC: 0x01;
+    const COPY_DST: 0x02;
+    const TEXTURE_BINDING: 0x04;
+    const STORAGE_BINDING: 0x08;
+    const RENDER_ATTACHMENT: 0x10;
+    const TRANSIENT_ATTACHMENT: 0x20;
+}
+
 declare namespace WebAssembly {
     /** The **`WebAssembly.CompileError`** object indicates an error during WebAssembly decoding or validation. */
     interface CompileError extends Error {
diff --git a/baselines/ts5.6/serviceworker.generated.d.ts b/baselines/ts5.6/serviceworker.generated.d.ts
index ae05b3ddf..7c1800e02 100644
--- a/baselines/ts5.6/serviceworker.generated.d.ts
+++ b/baselines/ts5.6/serviceworker.generated.d.ts
@@ -12771,6 +12771,47 @@ declare var WritableStreamDefaultWriter: {
     new<W = any>(stream: WritableStream<W>): WritableStreamDefaultWriter<W>;
 };
 
+declare namespace GPUBufferUsage {
+    const MAP_READ: 0x0001;
+    const MAP_WRITE: 0x0002;
+    const COPY_SRC: 0x0004;
+    const COPY_DST: 0x0008;
+    const INDEX: 0x0010;
+    const VERTEX: 0x0020;
+    const UNIFORM: 0x0040;
+    const STORAGE: 0x0080;
+    const INDIRECT: 0x0100;
+    const QUERY_RESOLVE: 0x0200;
+}
+
+declare namespace GPUColorWrite {
+    const RED: 0x1;
+    const GREEN: 0x2;
+    const BLUE: 0x4;
+    const ALPHA: 0x8;
+    const ALL: 0xF;
+}
+
+declare namespace GPUMapMode {
+    const READ: 0x0001;
+    const WRITE: 0x0002;
+}
+
+declare namespace GPUShaderStage {
+    const VERTEX: 0x1;
+    const FRAGMENT: 0x2;
+    const COMPUTE: 0x4;
+}
+
+declare namespace GPUTextureUsage {
+    const COPY_SRC: 0x01;
+    const COPY_DST: 0x02;
+    const TEXTURE_BINDING: 0x04;
+    const STORAGE_BINDING: 0x08;
+    const RENDER_ATTACHMENT: 0x10;
+    const TRANSIENT_ATTACHMENT: 0x20;
+}
+
 declare namespace WebAssembly {
     /** The **`WebAssembly.CompileError`** object indicates an error during WebAssembly decoding or validation. */
     interface CompileError extends Error {
diff --git a/baselines/ts5.6/sharedworker.generated.d.ts b/baselines/ts5.6/sharedworker.generated.d.ts
index 227dc54d1..d7247d102 100644
--- a/baselines/ts5.6/sharedworker.generated.d.ts
+++ b/baselines/ts5.6/sharedworker.generated.d.ts
@@ -12497,6 +12497,47 @@ declare var XMLHttpRequestUpload: {
     new(): XMLHttpRequestUpload;
 };
 
+declare namespace GPUBufferUsage {
+    const MAP_READ: 0x0001;
+    const MAP_WRITE: 0x0002;
+    const COPY_SRC: 0x0004;
+    const COPY_DST: 0x0008;
+    const INDEX: 0x0010;
+    const VERTEX: 0x0020;
+    const UNIFORM: 0x0040;
+    const STORAGE: 0x0080;
+    const INDIRECT: 0x0100;
+    const QUERY_RESOLVE: 0x0200;
+}
+
+declare namespace GPUColorWrite {
+    const RED: 0x1;
+    const GREEN: 0x2;
+    const BLUE: 0x4;
+    const ALPHA: 0x8;
+    const ALL: 0xF;
+}
+
+declare namespace GPUMapMode {
+    const READ: 0x0001;
+    const WRITE: 0x0002;
+}
+
+declare namespace GPUShaderStage {
+    const VERTEX: 0x1;
+    const FRAGMENT: 0x2;
+    const COMPUTE: 0x4;
+}
+
+declare namespace GPUTextureUsage {
+    const COPY_SRC: 0x01;
+    const COPY_DST: 0x02;
+    const TEXTURE_BINDING: 0x04;
+    const STORAGE_BINDING: 0x08;
+    const RENDER_ATTACHMENT: 0x10;
+    const TRANSIENT_ATTACHMENT: 0x20;
+}
+
 declare namespace WebAssembly {
     /** The **`WebAssembly.CompileError`** object indicates an error during WebAssembly decoding or validation. */
     interface CompileError extends Error {
diff --git a/baselines/ts5.6/webworker.generated.d.ts b/baselines/ts5.6/webworker.generated.d.ts
index 3298efb4c..a78371342 100644
--- a/baselines/ts5.6/webworker.generated.d.ts
+++ b/baselines/ts5.6/webworker.generated.d.ts
@@ -14446,6 +14446,47 @@ declare var XMLHttpRequestUpload: {
     new(): XMLHttpRequestUpload;
 };
 
+declare namespace GPUBufferUsage {
+    const MAP_READ: 0x0001;
+    const MAP_WRITE: 0x0002;
+    const COPY_SRC: 0x0004;
+    const COPY_DST: 0x0008;
+    const INDEX: 0x0010;
+    const VERTEX: 0x0020;
+    const UNIFORM: 0x0040;
+    const STORAGE: 0x0080;
+    const INDIRECT: 0x0100;
+    const QUERY_RESOLVE: 0x0200;
+}
+
+declare namespace GPUColorWrite {
+    const RED: 0x1;
+    const GREEN: 0x2;
+    const BLUE: 0x4;
+    const ALPHA: 0x8;
+    const ALL: 0xF;
+}
+
+declare namespace GPUMapMode {
+    const READ: 0x0001;
+    const WRITE: 0x0002;
+}
+
+declare namespace GPUShaderStage {
+    const VERTEX: 0x1;
+    const FRAGMENT: 0x2;
+    const COMPUTE: 0x4;
+}
+
+declare namespace GPUTextureUsage {
+    const COPY_SRC: 0x01;
+    const COPY_DST: 0x02;
+    const TEXTURE_BINDING: 0x04;
+    const STORAGE_BINDING: 0x08;
+    const RENDER_ATTACHMENT: 0x10;
+    const TRANSIENT_ATTACHMENT: 0x20;
+}
+
 declare namespace WebAssembly {
     /** The **`WebAssembly.CompileError`** object indicates an error during WebAssembly decoding or validation. */
     interface CompileError extends Error {
diff --git a/baselines/ts5.9/dom.generated.d.ts b/baselines/ts5.9/dom.generated.d.ts
index e7d397376..d151596b6 100644
--- a/baselines/ts5.9/dom.generated.d.ts
+++ b/baselines/ts5.9/dom.generated.d.ts
@@ -42720,6 +42720,47 @@ declare namespace CSS {
     function vw(value: number): CSSUnitValue;
 }
 
+declare namespace GPUBufferUsage {
+    const MAP_READ: 0x0001;
+    const MAP_WRITE: 0x0002;
+    const COPY_SRC: 0x0004;
+    const COPY_DST: 0x0008;
+    const INDEX: 0x0010;
+    const VERTEX: 0x0020;
+    const UNIFORM: 0x0040;
+    const STORAGE: 0x0080;
+    const INDIRECT: 0x0100;
+    const QUERY_RESOLVE: 0x0200;
+}
+
+declare namespace GPUColorWrite {
+    const RED: 0x1;
+    const GREEN: 0x2;
+    const BLUE: 0x4;
+    const ALPHA: 0x8;
+    const ALL: 0xF;
+}
+
+declare namespace GPUMapMode {
+    const READ: 0x0001;
+    const WRITE: 0x0002;
+}
+
+declare namespace GPUShaderStage {
+    const VERTEX: 0x1;
+    const FRAGMENT: 0x2;
+    const COMPUTE: 0x4;
+}
+
+declare namespace GPUTextureUsage {
+    const COPY_SRC: 0x01;
+    const COPY_DST: 0x02;
+    const TEXTURE_BINDING: 0x04;
+    const STORAGE_BINDING: 0x08;
+    const RENDER_ATTACHMENT: 0x10;
+    const TRANSIENT_ATTACHMENT: 0x20;
+}
+
 declare namespace WebAssembly {
     /** The **`WebAssembly.CompileError`** object indicates an error during WebAssembly decoding or validation. */
     interface CompileError extends Error {
diff --git a/baselines/ts5.9/serviceworker.generated.d.ts b/baselines/ts5.9/serviceworker.generated.d.ts
index 138cf77bd..a8e8cd67c 100644
--- a/baselines/ts5.9/serviceworker.generated.d.ts
+++ b/baselines/ts5.9/serviceworker.generated.d.ts
@@ -12771,6 +12771,47 @@ declare var WritableStreamDefaultWriter: {
     new<W = any>(stream: WritableStream<W>): WritableStreamDefaultWriter<W>;
 };
 
+declare namespace GPUBufferUsage {
+    const MAP_READ: 0x0001;
+    const MAP_WRITE: 0x0002;
+    const COPY_SRC: 0x0004;
+    const COPY_DST: 0x0008;
+    const INDEX: 0x0010;
+    const VERTEX: 0x0020;
+    const UNIFORM: 0x0040;
+    const STORAGE: 0x0080;
+    const INDIRECT: 0x0100;
+    const QUERY_RESOLVE: 0x0200;
+}
+
+declare namespace GPUColorWrite {
+    const RED: 0x1;
+    const GREEN: 0x2;
+    const BLUE: 0x4;
+    const ALPHA: 0x8;
+    const ALL: 0xF;
+}
+
+declare namespace GPUMapMode {
+    const READ: 0x0001;
+    const WRITE: 0x0002;
+}
+
+declare namespace GPUShaderStage {
+    const VERTEX: 0x1;
+    const FRAGMENT: 0x2;
+    const COMPUTE: 0x4;
+}
+
+declare namespace GPUTextureUsage {
+    const COPY_SRC: 0x01;
+    const COPY_DST: 0x02;
+    const TEXTURE_BINDING: 0x04;
+    const STORAGE_BINDING: 0x08;
+    const RENDER_ATTACHMENT: 0x10;
+    const TRANSIENT_ATTACHMENT: 0x20;
+}
+
 declare namespace WebAssembly {
     /** The **`WebAssembly.CompileError`** object indicates an error during WebAssembly decoding or validation. */
     interface CompileError extends Error {
diff --git a/baselines/ts5.9/sharedworker.generated.d.ts b/baselines/ts5.9/sharedworker.generated.d.ts
index 281c12ff4..1e1c2a038 100644
--- a/baselines/ts5.9/sharedworker.generated.d.ts
+++ b/baselines/ts5.9/sharedworker.generated.d.ts
@@ -12497,6 +12497,47 @@ declare var XMLHttpRequestUpload: {
     new(): XMLHttpRequestUpload;
 };
 
+declare namespace GPUBufferUsage {
+    const MAP_READ: 0x0001;
+    const MAP_WRITE: 0x0002;
+    const COPY_SRC: 0x0004;
+    const COPY_DST: 0x0008;
+    const INDEX: 0x0010;
+    const VERTEX: 0x0020;
+    const UNIFORM: 0x0040;
+    const STORAGE: 0x0080;
+    const INDIRECT: 0x0100;
+    const QUERY_RESOLVE: 0x0200;
+}
+
+declare namespace GPUColorWrite {
+    const RED: 0x1;
+    const GREEN: 0x2;
+    const BLUE: 0x4;
+    const ALPHA: 0x8;
+    const ALL: 0xF;
+}
+
+declare namespace GPUMapMode {
+    const READ: 0x0001;
+    const WRITE: 0x0002;
+}
+
+declare namespace GPUShaderStage {
+    const VERTEX: 0x1;
+    const FRAGMENT: 0x2;
+    const COMPUTE: 0x4;
+}
+
+declare namespace GPUTextureUsage {
+    const COPY_SRC: 0x01;
+    const COPY_DST: 0x02;
+    const TEXTURE_BINDING: 0x04;
+    const STORAGE_BINDING: 0x08;
+    const RENDER_ATTACHMENT: 0x10;
+    const TRANSIENT_ATTACHMENT: 0x20;
+}
+
 declare namespace WebAssembly {
     /** The **`WebAssembly.CompileError`** object indicates an error during WebAssembly decoding or validation. */
     interface CompileError extends Error {
diff --git a/baselines/ts5.9/webworker.generated.d.ts b/baselines/ts5.9/webworker.generated.d.ts
index f72c42764..0e37434dc 100644
--- a/baselines/ts5.9/webworker.generated.d.ts
+++ b/baselines/ts5.9/webworker.generated.d.ts
@@ -14446,6 +14446,47 @@ declare var XMLHttpRequestUpload: {
     new(): XMLHttpRequestUpload;
 };
 
+declare namespace GPUBufferUsage {
+    const MAP_READ: 0x0001;
+    const MAP_WRITE: 0x0002;
+    const COPY_SRC: 0x0004;
+    const COPY_DST: 0x0008;
+    const INDEX: 0x0010;
+    const VERTEX: 0x0020;
+    const UNIFORM: 0x0040;
+    const STORAGE: 0x0080;
+    const INDIRECT: 0x0100;
+    const QUERY_RESOLVE: 0x0200;
+}
+
+declare namespace GPUColorWrite {
+    const RED: 0x1;
+    const GREEN: 0x2;
+    const BLUE: 0x4;
+    const ALPHA: 0x8;
+    const ALL: 0xF;
+}
+
+declare namespace GPUMapMode {
+    const READ: 0x0001;
+    const WRITE: 0x0002;
+}
+
+declare namespace GPUShaderStage {
+    const VERTEX: 0x1;
+    const FRAGMENT: 0x2;
+    const COMPUTE: 0x4;
+}
+
+declare namespace GPUTextureUsage {
+    const COPY_SRC: 0x01;
+    const COPY_DST: 0x02;
+    const TEXTURE_BINDING: 0x04;
+    const STORAGE_BINDING: 0x08;
+    const RENDER_ATTACHMENT: 0x10;
+    const TRANSIENT_ATTACHMENT: 0x20;
+}
+
 declare namespace WebAssembly {
     /** The **`WebAssembly.CompileError`** object indicates an error during WebAssembly decoding or validation. */
     interface CompileError extends Error {
diff --git a/baselines/webworker.generated.d.ts b/baselines/webworker.generated.d.ts
index 66b300868..70cb784d8 100644
--- a/baselines/webworker.generated.d.ts
+++ b/baselines/webworker.generated.d.ts
@@ -14449,6 +14449,47 @@ declare var XMLHttpRequestUpload: {
     new(): XMLHttpRequestUpload;
 };
 
+declare namespace GPUBufferUsage {
+    const MAP_READ: 0x0001;
+    const MAP_WRITE: 0x0002;
+    const COPY_SRC: 0x0004;
+    const COPY_DST: 0x0008;
+    const INDEX: 0x0010;
+    const VERTEX: 0x0020;
+    const UNIFORM: 0x0040;
+    const STORAGE: 0x0080;
+    const INDIRECT: 0x0100;
+    const QUERY_RESOLVE: 0x0200;
+}
+
+declare namespace GPUColorWrite {
+    const RED: 0x1;
+    const GREEN: 0x2;
+    const BLUE: 0x4;
+    const ALPHA: 0x8;
+    const ALL: 0xF;
+}
+
+declare namespace GPUMapMode {
+    const READ: 0x0001;
+    const WRITE: 0x0002;
+}
+
+declare namespace GPUShaderStage {
+    const VERTEX: 0x1;
+    const FRAGMENT: 0x2;
+    const COMPUTE: 0x4;
+}
+
+declare namespace GPUTextureUsage {
+    const COPY_SRC: 0x01;
+    const COPY_DST: 0x02;
+    const TEXTURE_BINDING: 0x04;
+    const STORAGE_BINDING: 0x08;
+    const RENDER_ATTACHMENT: 0x10;
+    const TRANSIENT_ATTACHMENT: 0x20;
+}
+
 declare namespace WebAssembly {
     /** The **`WebAssembly.CompileError`** object indicates an error during WebAssembly decoding or validation. */
     interface CompileError extends Error {
diff --git a/src/build/bcd/keep-alive.ts b/src/build/bcd/keep-alive.ts
index 0cd0b8fb2..1ef305f3c 100644
--- a/src/build/bcd/keep-alive.ts
+++ b/src/build/bcd/keep-alive.ts
@@ -23,6 +23,11 @@ export const forceKeepAlive: Record<string, string[]> = {
     "onwebkitanimationiteration",
     "onwebkitanimationstart",
   ],
+  GPUBufferUsage: [],
+  GPUMapMode: [],
+  GPUTextureUsage: [],
+  GPUShaderStage: [],
+  GPUColorWrite: [],
   IDBDatabase: [
     // BCD unexpectedly is removing valid event data
     // https://github.com/mdn/browser-compat-data/issues/15345
diff --git a/src/build/emitter.ts b/src/build/emitter.ts
index a05c088b3..8f84c6bc5 100644
--- a/src/build/emitter.ts
+++ b/src/build/emitter.ts
@@ -547,6 +547,17 @@ export function emitWebIdl(
     }
   }
 
+  function emitNamespaceConstant(c: Browser.Constant) {
+    emitComments(c, printer.printLine);
+    printer.printLine(`const ${c.name}: ${c.value};`);
+  }
+
+  function emitNamespaceConstants(i: Browser.Interface) {
+    if (i.constants) {
+      mapToArray(i.constants.constant).forEach(emitNamespaceConstant);
+    }
+  }
+
   function matchParamMethodSignature(
     m: Browser.Method,
     expectedMName: string,
@@ -1553,6 +1564,7 @@ export function emitWebIdl(
 
     emitProperties("var ", "InstanceOnly", namespace);
     emitMethods("function ", "InstanceOnly", namespace, new Set());
+    emitNamespaceConstants(namespace);
 
     printer.decreaseIndent();
     printer.printLine("}");
diff --git a/src/build/widlprocess.ts b/src/build/widlprocess.ts
index d8b5ddeb2..4f87cb668 100644
--- a/src/build/widlprocess.ts
+++ b/src/build/widlprocess.ts
@@ -413,6 +413,7 @@ function convertNamespace(
 ) {
   const result: Browser.Interface = {
     name: namespace.name,
+    constants: { constant: {} },
     namespace: true,
     constructor: { signature: [] },
     methods: { method: {} },
@@ -420,7 +421,15 @@ function convertNamespace(
     exposed: getExtAttrConcatenated(namespace.extAttrs, "Exposed"),
   };
   for (const member of namespace.members) {
-    if (member.type === "attribute") {
+    if (member.type === "const") {
+      result.constants!.constant[member.name] = convertConstantMember(member);
+      addComments(
+        result.constants!.constant[member.name],
+        commentMap,
+        namespace.name,
+        member.name,
+      );
+    } else if (member.type === "attribute") {
       result.properties!.property[member.name] = convertAttribute(
         member,
         result.exposed,