diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index a6556cb39..af7af1a6b 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -43022,6 +43022,47 @@ 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 57f918ccc..1d42966f0 100644
--- a/baselines/serviceworker.generated.d.ts
+++ b/baselines/serviceworker.generated.d.ts
@@ -12818,6 +12818,47 @@ 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 e15f1d999..5a904b475 100644
--- a/baselines/sharedworker.generated.d.ts
+++ b/baselines/sharedworker.generated.d.ts
@@ -12544,6 +12544,47 @@ 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 e1e2ad25d..604cd4b2a 100644
--- a/baselines/ts5.5/dom.generated.d.ts
+++ b/baselines/ts5.5/dom.generated.d.ts
@@ -42996,6 +42996,47 @@ 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 d041466e0..b0c2f0469 100644
--- a/baselines/ts5.5/serviceworker.generated.d.ts
+++ b/baselines/ts5.5/serviceworker.generated.d.ts
@@ -12815,6 +12815,47 @@ 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 18206e5e9..f53d24141 100644
--- a/baselines/ts5.5/sharedworker.generated.d.ts
+++ b/baselines/ts5.5/sharedworker.generated.d.ts
@@ -12541,6 +12541,47 @@ 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 a1c62a51d..fba903e53 100644
--- a/baselines/ts5.5/webworker.generated.d.ts
+++ b/baselines/ts5.5/webworker.generated.d.ts
@@ -14625,6 +14625,47 @@ 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 be2edd668..dde6f640f 100644
--- a/baselines/ts5.6/dom.generated.d.ts
+++ b/baselines/ts5.6/dom.generated.d.ts
@@ -43019,6 +43019,47 @@ 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 d041466e0..b0c2f0469 100644
--- a/baselines/ts5.6/serviceworker.generated.d.ts
+++ b/baselines/ts5.6/serviceworker.generated.d.ts
@@ -12815,6 +12815,47 @@ 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 18206e5e9..f53d24141 100644
--- a/baselines/ts5.6/sharedworker.generated.d.ts
+++ b/baselines/ts5.6/sharedworker.generated.d.ts
@@ -12541,6 +12541,47 @@ 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 a1c62a51d..fba903e53 100644
--- a/baselines/ts5.6/webworker.generated.d.ts
+++ b/baselines/ts5.6/webworker.generated.d.ts
@@ -14625,6 +14625,47 @@ 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 24a34aa36..af89f44bb 100644
--- a/baselines/ts5.9/dom.generated.d.ts
+++ b/baselines/ts5.9/dom.generated.d.ts
@@ -43019,6 +43019,47 @@ 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 0479cb106..0843e1c97 100644
--- a/baselines/ts5.9/serviceworker.generated.d.ts
+++ b/baselines/ts5.9/serviceworker.generated.d.ts
@@ -12815,6 +12815,47 @@ 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 1fccac506..a4266fd6a 100644
--- a/baselines/ts5.9/sharedworker.generated.d.ts
+++ b/baselines/ts5.9/sharedworker.generated.d.ts
@@ -12541,6 +12541,47 @@ 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 262bc2fc1..b31c73a20 100644
--- a/baselines/ts5.9/webworker.generated.d.ts
+++ b/baselines/ts5.9/webworker.generated.d.ts
@@ -14625,6 +14625,47 @@ 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 14da40561..c235d9236 100644
--- a/baselines/webworker.generated.d.ts
+++ b/baselines/webworker.generated.d.ts
@@ -14628,6 +14628,47 @@ 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/package-lock.json b/package-lock.json
index 09f59ab7a..c72e1cdf7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
         "@octokit/rest": "^22.0.0",
         "@types/node": "^25.0.3",
         "@types/prettier": "^3.0.0",
-        "@types/webidl2": "^24.4.3",
+        "@types/webidl2": "^24.4.4",
         "@typescript-eslint/eslint-plugin": "^8",
         "@typescript-eslint/parser": "^8",
         "@typescript/native-preview": "^7.0.0-dev.20251029.1",
@@ -708,10 +708,11 @@
       }
     },
     "node_modules/@types/webidl2": {
-      "version": "24.4.3",
-      "resolved": "https://registry.npmjs.org/@types/webidl2/-/webidl2-24.4.3.tgz",
-      "integrity": "sha512-Rn7VaRM3TmzA3nPgwSOqC8MGzzY2W8J7f0IPEf2g5Ga0e6jCsuLRHF+O0gywp3gh37IE/quCWCbNDTwAdKeFKw==",
-      "dev": true
+      "version": "24.4.4",
+      "resolved": "https://registry.npmjs.org/@types/webidl2/-/webidl2-24.4.4.tgz",
+      "integrity": "sha512-V1MjhR7JkQNzvsvaBVOzkKwR29YCQZgTPUtJaMQH6IP7wrvJWB7ZjmtVVNnFQyp2AdvNY+CTptMA9uHVLDOksA==",
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/@typescript-eslint/eslint-plugin": {
       "version": "8.56.1",
diff --git a/package.json b/package.json
index c4e31918a..946761d73 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "@octokit/rest": "^22.0.0",
     "@types/node": "^25.0.3",
     "@types/prettier": "^3.0.0",
-    "@types/webidl2": "^24.4.3",
+    "@types/webidl2": "^24.4.4",
     "@typescript-eslint/eslint-plugin": "^8",
     "@typescript-eslint/parser": "^8",
     "@typescript/native-preview": "^7.0.0-dev.20251029.1",
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,