1 files changed, 22 insertions, 0 deletions
diff --git a/components/script/dom/webidls/GPUBuffer.webidl b/components/script/dom/webidls/GPUBuffer.webidl
new file mode 100644
index 00000000000..2097db233e9
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+++ b/components/script/dom/webidls/GPUBuffer.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/#gpubuffer
+[Exposed=(Window, DedicatedWorker), Serializable, Pref="dom.webgpu.enabled"]
+interface GPUBuffer {
+    Promise<void> mapAsync(GPUMapModeFlags mode, optional GPUSize64 offset = 0, optional GPUSize64 size);
+    [Throws] ArrayBuffer getMappedRange(optional GPUSize64 offset = 0, optional GPUSize64 size);
+    void unmap();
+
+    void destroy();
+};
+GPUBuffer includes GPUObjectBase;
+
+dictionary GPUBufferDescriptor : GPUObjectDescriptorBase {
+    required GPUSize64 size;
+    required GPUBufferUsageFlags usage;
+    boolean mappedAtCreation = false;
+};
+
+typedef unsigned long long GPUSize64;