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diff --git a/components/script/dom/webidls/GPUProgrammablePassEncoder.webidl b/components/script/dom/webidls/GPUProgrammablePassEncoder.webidl
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+++ b/components/script/dom/webidls/GPUProgrammablePassEncoder.webidl
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+// https://gpuweb.github.io/gpuweb/#gpuprogrammablepassencoder
+[Exposed=(Window, DedicatedWorker)]
+interface mixin GPUProgrammablePassEncoder {
+    void setBindGroup(GPUIndex32 index, GPUBindGroup bindGroup,
+                      optional sequence<GPUBufferDynamicOffset> dynamicOffsets = []);
+
+    // void setBindGroup(GPUIndex32 index, GPUBindGroup bindGroup,
+    //                   Uint32Array dynamicOffsetsData,
+    //                   GPUSize64 dynamicOffsetsDataStart,
+    //                   GPUSize64 dynamicOffsetsDataLength);
+
+    // void pushDebugGroup(DOMString groupLabel);
+    // void popDebugGroup();
+    // void insertDebugMarker(DOMString markerLabel);
+};
+
+typedef [EnforceRange] unsigned long GPUBufferDynamicOffset;
+typedef [EnforceRange] unsigned long GPUIndex32;