1 files changed, 39 insertions, 0 deletions
diff --git a/components/script/dom/webidls/GPUAdapter.webidl b/components/script/dom/webidls/GPUAdapter.webidl
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index 00000000000..e4e4e86791c
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+++ b/components/script/dom/webidls/GPUAdapter.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/#gpuadapter
+[Exposed=(Window, DedicatedWorker), Pref="dom.webgpu.enabled"]
+interface GPUAdapter {
+    readonly attribute DOMString name;
+    readonly attribute object extensions;
+    //readonly attribute GPULimits limits; Don’t expose higher limits for now.
+
+    Promise<GPUDevice?> requestDevice(optional GPUDeviceDescriptor descriptor = {});
+};
+
+dictionary GPUDeviceDescriptor : GPUObjectDescriptorBase {
+    sequence<GPUExtensionName> extensions = [];
+    GPULimits limits = {};
+};
+
+enum GPUExtensionName {
+    "depth-clamping",
+    "depth24unorm-stencil8",
+    "depth32float-stencil8",
+    "pipeline-statistics-query",
+    "texture-compression-bc",
+    "timestamp-query",
+};
+
+dictionary GPULimits {
+    GPUSize32 maxBindGroups = 4;
+    GPUSize32 maxDynamicUniformBuffersPerPipelineLayout = 8;
+    GPUSize32 maxDynamicStorageBuffersPerPipelineLayout = 4;
+    GPUSize32 maxSampledTexturesPerShaderStage = 16;
+    GPUSize32 maxSamplersPerShaderStage = 16;
+    GPUSize32 maxStorageBuffersPerShaderStage = 4;
+    GPUSize32 maxStorageTexturesPerShaderStage = 4;
+    GPUSize32 maxUniformBuffersPerShaderStage = 12;
+    GPUSize32 maxUniformBufferBindingSize = 16384;
+};