dawn-cmake/dawn.json

{
    "_comment": [
        "Copyright 2017 The Dawn Authors",
        "",
        "Licensed under the Apache License, Version 2.0 (the \"License\");",
        "you may not use this file except in compliance with the License.",
        "You may obtain a copy of the License at",
        "",
        "    http://www.apache.org/licenses/LICENSE-2.0",
        "",
        "Unless required by applicable law or agreed to in writing, software",
        "distributed under the License is distributed on an \"AS IS\" BASIS,",
        "WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.",
        "See the License for the specific language governing permissions and",
        "limitations under the License."
    ],

    "_doc": "See docs/dawn/codegen.md",

    "_metadata": {
        "api": "WebGPU",
        "c_prefix": "WGPU",
        "namespace": "wgpu",
        "proc_table_prefix": "Dawn",
        "native_namespace": "dawn native",
        "copyright_year": "2019"
    },

    "create instance": {
        "category": "function",
        "returns": "instance",
        "args": [
            {"name": "descriptor", "type": "instance descriptor", "annotation": "const*", "optional": true}
        ]
    },
    "proc": {
        "category": "function pointer",
        "returns": "void",
        "args": []
    },
    "get proc address": {
        "category": "function",
        "returns": "proc",
        "args": [
            {"name": "device", "type": "device"},
            {"name": "proc name", "type": "char", "annotation": "const*"}
        ]
    },

    "request adapter options": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "compatible surface", "type": "surface", "optional": true},
            {"name": "power preference", "type": "power preference", "default": "undefined"},
            {"name": "force fallback adapter", "type": "bool", "default": "false"}
        ]
    },
    "request adapter status": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "success"},
            {"value": 1, "name": "unavailable"},
            {"value": 2, "name": "error"},
            {"value": 3, "name": "unknown"}
        ]
    },
    "request adapter callback": {
        "category": "function pointer",
        "args": [
            {"name": "status", "type": "request adapter status"},
            {"name": "adapter", "type": "adapter"},
            {"name": "message", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
    },
    "adapter": {
        "category": "object",
        "methods": [
            {
                "name": "get limits",
                "returns": "bool",
                "args": [
                    {"name": "limits", "type": "supported limits", "annotation": "*"}
                ]
            },
            {
                "name": "get properties",
                "args": [
                    {"name": "properties", "type": "adapter properties", "annotation": "*"}
                ]
            },
            {
                "name": "has feature",
                "returns": "bool",
                "args": [
                    {"name": "feature", "type": "feature name"}
                ]
            },
            {
                "name": "enumerate features",
                "returns": "size_t",
                "args": [
                    {"name": "features", "type": "feature name", "annotation": "*"}
                ]
            },
            {
                "name": "request device",
                "args": [
                    {"name": "descriptor", "type": "device descriptor", "annotation": "const*", "optional": true, "no_default": true},
                    {"name": "callback", "type": "request device callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "create device",
                "tags": ["dawn"],
                "returns": "device",
                "args": [
                    {"name": "descriptor", "type": "device descriptor", "annotation": "const*", "optional": true}
                ]
            }
        ]
    },
    "adapter properties": {
        "category": "structure",
        "extensible": "out",
        "members": [
            {"name": "vendor ID", "type": "uint32_t"},
            {"name": "vendor name", "type": "char", "annotation": "const*", "length": "strlen"},
            {"name": "architecture", "type": "char", "annotation": "const*", "length": "strlen"},
            {"name": "device ID", "type": "uint32_t"},
            {"name": "name", "type": "char", "annotation": "const*", "length": "strlen"},
            {"name": "driver description", "type": "char", "annotation": "const*", "length": "strlen"},
            {"name": "adapter type", "type": "adapter type"},
            {"name": "backend type", "type": "backend type"}
        ]
    },
    "adapter type": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "discrete GPU"},
            {"value": 1, "name": "integrated GPU"},
            {"value": 2, "name": "CPU"},
            {"value": 3, "name": "unknown"}
        ]
    },
    "device descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "required features count", "type": "uint32_t", "default": 0},
            {"name": "required features", "type": "feature name", "annotation": "const*", "length": "required features count", "default": "nullptr"},
            {"name": "required limits", "type": "required limits", "annotation": "const*", "optional": true},
            {"name": "default queue", "type": "queue descriptor"}
        ]
    },
    "dawn toggles device descriptor": {
        "tags": ["dawn", "native"],
        "category": "structure",
        "chained": "in",
        "chain roots": ["device descriptor"],
        "members": [
            {"name": "force enabled toggles count", "type": "uint32_t", "default": 0},
            {"name": "force enabled toggles", "type": "char", "annotation": "const*const*", "length": "force enabled toggles count"},
            {"name": "force disabled toggles count", "type": "uint32_t", "default": 0},
            {"name": "force disabled toggles", "type": "char", "annotation": "const*const*", "length": "force disabled toggles count"}
        ]
    },
    "dawn cache device descriptor" : {
        "tags": ["dawn", "native"],
        "category": "structure",
        "chained": "in",
        "chain roots": ["device descriptor"],
        "members": [
            {"name": "isolation key", "type": "char", "annotation": "const*", "length": "strlen", "default": "\"\""}
        ]
    },
    "address mode": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "repeat"},
            {"value": 1, "name": "mirror repeat"},
            {"value": 2, "name": "clamp to edge"}
        ]
    },
    "backend type": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "null"},
            {"value": 1, "name": "WebGPU"},
            {"value": 2, "name": "D3D11"},
            {"value": 3, "name": "D3D12"},
            {"value": 4, "name": "metal"},
            {"value": 5, "name": "vulkan"},
            {"value": 6, "name": "openGL"},
            {"value": 7, "name": "openGLES"}
        ]
    },
    "bind group": {
        "category": "object",
        "methods": [
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }
        ]
    },
    "bind group entry": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "binding", "type": "uint32_t"},
            {"name": "buffer", "type": "buffer", "optional": true},
            {"name": "offset", "type": "uint64_t", "default": "0"},
            {"name": "size", "type": "uint64_t"},
            {"name": "sampler", "type": "sampler", "optional": true},
            {"name": "texture view", "type": "texture view", "optional": true}
        ]
    },
    "bind group descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "layout", "type": "bind group layout"},
            {"name": "entry count", "type": "uint32_t"},
            {"name": "entries", "type": "bind group entry", "annotation": "const*", "length": "entry count"}
        ]
    },
    "bind group layout": {
        "category": "object",
        "methods": [
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }
        ]
    },

    "buffer binding type": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined", "valid": false},
            {"value": 1, "name": "uniform"},
            {"value": 2, "name": "storage"},
            {"value": 3, "name": "read only storage"}
        ]
    },
    "buffer binding layout": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "type", "type": "buffer binding type", "default": "undefined"},
            {"name": "has dynamic offset", "type": "bool", "default": "false"},
            {"name": "min binding size", "type": "uint64_t", "default": "0"}
        ]
    },

    "sampler binding type": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined", "valid": false},
            {"value": 1, "name": "filtering"},
            {"value": 2, "name": "non filtering"},
            {"value": 3, "name": "comparison"}
        ]
    },
    "sampler binding layout": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "type", "type": "sampler binding type", "default": "undefined"}
        ]
    },

    "texture sample type": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined", "valid": false},
            {"value": 1, "name": "float"},
            {"value": 2, "name": "unfilterable float"},
            {"value": 3, "name": "depth"},
            {"value": 4, "name": "sint"},
            {"value": 5, "name": "uint"}
        ]
    },
    "texture binding layout": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "sample type", "type": "texture sample type", "default": "undefined"},
            {"name": "view dimension", "type": "texture view dimension", "default": "undefined"},
            {"name": "multisampled", "type": "bool", "default": "false"}
        ]
    },

    "external texture binding entry": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["bind group entry"],
        "tags": ["dawn"],
        "members": [
            {"name": "external texture", "type": "external texture"}
        ]
    },

    "external texture binding layout": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["bind group layout entry"],
        "tags": ["dawn"],
        "members": []
    },

    "storage texture access": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined", "valid": false},
            {"value": 1, "name": "write only"}
        ]
    },
    "storage texture binding layout": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "access", "type": "storage texture access", "default": "undefined"},
            {"name": "format", "type": "texture format", "default": "undefined"},
            {"name": "view dimension", "type": "texture view dimension", "default": "undefined"}
        ]
    },

    "bind group layout entry": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "binding", "type": "uint32_t"},
            {"name": "visibility", "type": "shader stage"},
            {"name": "buffer", "type": "buffer binding layout"},
            {"name": "sampler", "type": "sampler binding layout"},
            {"name": "texture", "type": "texture binding layout"},
            {"name": "storage texture", "type": "storage texture binding layout"}
        ]
    },
    "bind group layout descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "entry count", "type": "uint32_t"},
            {"name": "entries", "type": "bind group layout entry", "annotation": "const*", "length": "entry count"}
        ]
    },
    "blend component": {
        "category": "structure",
        "extensible": false,
        "members": [
            {"name": "operation", "type": "blend operation", "default": "add"},
            {"name": "src factor", "type": "blend factor", "default": "one"},
            {"name": "dst factor", "type": "blend factor", "default": "zero"}
        ]
    },
    "blend factor": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "zero"},
            {"value": 1, "name": "one"},
            {"value": 2, "name": "src"},
            {"value": 3, "name": "one minus src"},
            {"value": 4, "name": "src alpha"},
            {"value": 5, "name": "one minus src alpha"},
            {"value": 6, "name": "dst"},
            {"value": 7, "name": "one minus dst"},
            {"value": 8, "name": "dst alpha"},
            {"value": 9, "name": "one minus dst alpha"},
            {"value": 10, "name": "src alpha saturated"},
            {"value": 11, "name": "constant"},
            {"value": 12, "name": "one minus constant"}
        ]
    },
    "blend operation": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "add"},
            {"value": 1, "name": "subtract"},
            {"value": 2, "name": "reverse subtract"},
            {"value": 3, "name": "min"},
            {"value": 4, "name": "max"}
        ]
    },
    "bool": {
        "category": "native"
    },
    "buffer": {
        "category": "object",
        "methods": [
            {
                "name": "map async",
                "args": [
                    {"name": "mode", "type": "map mode"},
                    {"name": "offset", "type": "size_t"},
                    {"name": "size", "type": "size_t"},
                    {"name": "callback", "type": "buffer map callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "get mapped range",
                "returns": "void *",
                "args": [
                    {"name": "offset", "type": "size_t", "default": 0},
                    {"name": "size", "type": "size_t", "default": "WGPU_WHOLE_MAP_SIZE"}
                ]
            },
            {
                "name": "get const mapped range",
                "returns": "void const *",
                "args": [
                    {"name": "offset", "type": "size_t", "default": 0},
                    {"name": "size", "type": "size_t", "default": "WGPU_WHOLE_MAP_SIZE"}
                ]
            },
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "get usage",
                "returns": "buffer usage"
            },
            {
                "name": "get size",
                "returns": "uint64_t"
            },
            {
                "name": "unmap"
            },
            {
                "name": "destroy"
            }
        ]
    },
    "buffer descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "usage", "type": "buffer usage"},
            {"name": "size", "type": "uint64_t"},
            {"name": "mapped at creation", "type": "bool", "default": "false"}
        ]
    },
    "buffer map callback": {
        "category": "function pointer",
        "args": [
            {"name": "status", "type": "buffer map async status"},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
    },
    "buffer map async status": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "success"},
            {"value": 1, "name": "error"},
            {"value": 2, "name": "unknown"},
            {"value": 3, "name": "device lost"},
            {"value": 4, "name": "destroyed before callback"},
            {"value": 5, "name": "unmapped before callback"}
        ]
    },
    "buffer usage": {
        "category": "bitmask",
        "values": [
            {"value": 0, "name": "none"},
            {"value": 1, "name": "map read"},
            {"value": 2, "name": "map write"},
            {"value": 4, "name": "copy src"},
            {"value": 8, "name": "copy dst"},
            {"value": 16, "name": "index"},
            {"value": 32, "name": "vertex"},
            {"value": 64, "name": "uniform"},
            {"value": 128, "name": "storage"},
            {"value": 256, "name": "indirect"},
            {"value": 512, "name": "query resolve"}
        ]
    },
    "char": {
        "category": "native"
    },
    "color": {
        "category": "structure",
        "members": [
            {"name": "r", "type": "double"},
            {"name": "g", "type": "double"},
            {"name": "b", "type": "double"},
            {"name": "a", "type": "double"}
        ]
    },
    "color write mask": {
        "category": "bitmask",
        "values": [
            {"value": 0, "name": "none"},
            {"value": 1, "name": "red"},
            {"value": 2, "name": "green"},
            {"value": 4, "name": "blue"},
            {"value": 8, "name": "alpha"},
            {"value": 15, "name": "all"}
        ]
    },
    "constant entry": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "key", "type": "char", "annotation": "const*", "length": "strlen"},
            {"name": "value", "type": "double"}
        ]
    },
    "command buffer": {
        "category": "object",
        "methods": [
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }
        ]
    },
    "command buffer descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}
        ]
    },
    "command encoder": {
        "category": "object",
        "methods": [
            {
                "name": "finish",
                "returns": "command buffer",
                "args": [
                    {"name": "descriptor", "type": "command buffer descriptor", "annotation": "const*", "optional": true}
                ]
            },
            {
                "name": "begin compute pass",
                "returns": "compute pass encoder",
                "args": [
                    {"name": "descriptor", "type": "compute pass descriptor", "annotation": "const*", "optional": true}
                ]
            },
            {
                "name": "begin render pass",
                "returns": "render pass encoder",
                "args": [
                    {"name": "descriptor", "type": "render pass descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "copy buffer to buffer",
                "args": [
                    {"name": "source", "type": "buffer"},
                    {"name": "source offset", "type": "uint64_t"},
                    {"name": "destination", "type": "buffer"},
                    {"name": "destination offset", "type": "uint64_t"},
                    {"name": "size", "type": "uint64_t"}
                ]
            },
            {
                "name": "copy buffer to texture",
                "args": [
                    {"name": "source", "type": "image copy buffer", "annotation": "const*"},
                    {"name": "destination", "type": "image copy texture", "annotation": "const*"},
                    {"name": "copy size", "type": "extent 3D", "annotation": "const*"}
                ]
            },
            {
                "name": "copy texture to buffer",
                "args": [
                    {"name": "source", "type": "image copy texture", "annotation": "const*"},
                    {"name": "destination", "type": "image copy buffer", "annotation": "const*"},
                    {"name": "copy size", "type": "extent 3D", "annotation": "const*"}
                ]
            },
            {
                "name": "copy texture to texture",
                "args": [
                    {"name": "source", "type": "image copy texture", "annotation": "const*"},
                    {"name": "destination", "type": "image copy texture", "annotation": "const*"},
                    {"name": "copy size", "type": "extent 3D", "annotation": "const*"}
                ]
            },
            {
                "name": "copy texture to texture internal",
                "tags": ["dawn"],
                "args": [
                    {"name": "source", "type": "image copy texture", "annotation": "const*"},
                    {"name": "destination", "type": "image copy texture", "annotation": "const*"},
                    {"name": "copy size", "type": "extent 3D", "annotation": "const*"}
                ]
            },
            {
                "name": "clear buffer",
                "args": [
                    {"name": "buffer", "type": "buffer"},
                    {"name": "offset", "type": "uint64_t", "default": 0},
                    {"name": "size", "type": "uint64_t", "default": "WGPU_WHOLE_SIZE"}
                ]
            },
            {
                "name": "inject validation error",
                "tags": ["dawn"],
                "args": [
                    {"name": "message", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "insert debug marker",
                "args": [
                    {"name": "marker label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "pop debug group",
                "args": []
            },
            {
                "name": "push debug group",
                "args": [
                    {"name": "group label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "resolve query set",
                "args": [
                    {"name": "query set", "type": "query set"},
                    {"name": "first query", "type": "uint32_t"},
                    {"name": "query count", "type": "uint32_t"},
                    {"name": "destination", "type": "buffer"},
                    {"name": "destination offset", "type": "uint64_t"}
                ]
            },
            {
                "name": "write buffer",
                "tags": ["dawn"],
                "args": [
                    {"name": "buffer", "type": "buffer"},
                    {"name": "buffer offset", "type": "uint64_t"},
                    {"name": "data", "type": "uint8_t", "annotation": "const*", "length": "size"},
                    {"name": "size", "type": "uint64_t"}
                ]
            },
            {
                "name": "write timestamp",
                "args": [
                    {"name": "query set", "type": "query set"},
                    {"name": "query index", "type": "uint32_t"}
                ]
            },
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }
        ]
    },
    "command encoder descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}
        ]
    },
    "compare function": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined", "valid": false},
            {"value": 1, "name": "never"},
            {"value": 2, "name": "less"},
            {"value": 3, "name": "less equal"},
            {"value": 4, "name": "greater"},
            {"value": 5, "name": "greater equal"},
            {"value": 6, "name": "equal"},
            {"value": 7, "name": "not equal"},
            {"value": 8, "name": "always"}
        ]
    },
    "compilation info": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "message count", "type": "uint32_t"},
            {"name": "messages", "type": "compilation message", "annotation": "const*", "length": "message count"}
        ]
    },
    "compilation info callback": {
        "category": "function pointer",
        "args": [
            {"name": "status", "type": "compilation info request status"},
            {"name": "compilation info", "type": "compilation info", "annotation": "const*"},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
    },
    "compilation info request status": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "success"},
            {"value": 1, "name": "error"},
            {"value": 2, "name": "device lost"},
            {"value": 3, "name": "unknown"}
        ]
    },
    "compilation message": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "message", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "type", "type": "compilation message type"},
            {"name": "line num", "type": "uint64_t"},
            {"name": "line pos", "type": "uint64_t"},
            {"name": "offset", "type": "uint64_t"},
            {"name": "length", "type": "uint64_t"}
        ]
    },
    "compilation message type": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "error"},
            {"value": 1, "name": "warning"},
            {"value": 2, "name": "info"}
        ]
    },
    "compute pass descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "timestamp write count", "type": "uint32_t", "default": 0},
            {"name": "timestamp writes", "type": "compute pass timestamp write", "annotation": "const*", "length": "timestamp write count"}
        ]
    },
    "compute pass encoder": {
        "category": "object",
        "methods": [
            {
                "name": "insert debug marker",
                "args": [
                    {"name": "marker label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "pop debug group",
                "args": []
            },
            {
                "name": "push debug group",
                "args": [
                    {"name": "group label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "set pipeline",
                "args": [
                    {"name": "pipeline", "type": "compute pipeline"}
                ]
            },
            {
                "name": "set bind group",
                "args": [
                    {"name": "group index", "type": "uint32_t"},
                    {"name": "group", "type": "bind group"},
                    {"name": "dynamic offset count", "type": "uint32_t", "default": "0"},
                    {"name": "dynamic offsets", "type": "uint32_t", "annotation": "const*", "length": "dynamic offset count", "default": "nullptr"}
                ]
            },
            {
                "name": "write timestamp",
                "tags": ["emscripten", "dawn"],
                "args": [
                    {"name": "query set", "type": "query set"},
                    {"name": "query index", "type": "uint32_t"}
                ]
            },
            {
                "name": "begin pipeline statistics query",
                "tags": ["upstream", "emscripten"],
                "args": [
                    {"name": "query set", "type": "query set"},
                    {"name": "query index", "type": "uint32_t"}
                ]
            },
            {
                "name": "dispatch",
                "tags": ["deprecated"],
                "args": [
                    {"name": "workgroupCountX", "type": "uint32_t"},
                    {"name": "workgroupCountY", "type": "uint32_t", "default": "1"},
                    {"name": "workgroupCountZ", "type": "uint32_t", "default": "1"}
                ]
            },
            {
                "name": "dispatch workgroups",
                "args": [
                    {"name": "workgroupCountX", "type": "uint32_t"},
                    {"name": "workgroupCountY", "type": "uint32_t", "default": "1"},
                    {"name": "workgroupCountZ", "type": "uint32_t", "default": "1"}
                ]
            },
            {
                "name": "dispatch indirect",
                "tags": ["deprecated"],
                "args": [
                  {"name": "indirect buffer", "type": "buffer"},
                  {"name": "indirect offset", "type": "uint64_t"}
                ]
            },
            {
                "name": "dispatch workgroups indirect",
                "args": [
                  {"name": "indirect buffer", "type": "buffer"},
                  {"name": "indirect offset", "type": "uint64_t"}
                ]
            },
            {
                "name": "end"
            },
            {
                "name": "end pass",
                "tags": ["deprecated"]
            },
            {
                "name": "end pipeline statistics query",
                "tags": ["upstream", "emscripten"]
            },
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }
        ]
    },
    "compute pass timestamp location": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "beginning"},
            {"value": 1, "name": "end"}
        ]
    },
    "compute pass timestamp write": {
        "category": "structure",
        "members": [
            {"name": "query set", "type": "query set"},
            {"name": "query index", "type": "uint32_t"},
            {"name": "location", "type": "compute pass timestamp location"}
        ]
    },
    "compute pipeline": {
        "category": "object",
        "methods": [
            {
                "name": "get bind group layout",
                "returns": "bind group layout",
                "args": [
                    {"name": "group index", "type": "uint32_t"}
                ]
            },
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }
        ]
    },
    "compute pipeline descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "layout", "type": "pipeline layout", "optional": true},
            {"name": "compute", "type": "programmable stage descriptor"}
        ]
    },
    "alpha mode": {
        "category": "enum",
        "tags": ["dawn"],
        "values": [
            {"value": 0, "name": "premultiplied"},
            {"value": 1, "name": "unpremultiplied"},
            {"value": 2, "name": "opaque"}
        ]
    },
    "copy texture for browser options": {
        "category": "structure",
        "extensible": "in",
        "tags": ["dawn"],
        "_TODO": "support number as length input",
        "members": [
            {"name": "flip y", "type": "bool", "default": "false"},
            {"name": "needs color space conversion", "type": "bool", "default": "false"},
            {"name": "src alpha mode", "type": "alpha mode", "default": "unpremultiplied"},
            {"name": "src transfer function parameters", "type": "float", "annotation": "const*",
                     "length": 7, "optional": true},
            {"name": "conversion matrix", "type": "float", "annotation": "const*",
                     "length": 9, "optional": true},
            {"name": "dst transfer function parameters", "type": "float", "annotation": "const*",
                     "length": 7, "optional": true},
            {"name": "dst alpha mode", "type": "alpha mode", "default": "unpremultiplied"},
            {"name": "internal usage", "type": "bool", "default": "false"}
        ]
    },
    "create compute pipeline async callback": {
        "category": "function pointer",
        "args": [
            {"name": "status", "type": "create pipeline async status"},
            {"name": "pipeline", "type": "compute pipeline"},
            {"name": "message", "type": "char", "annotation": "const*", "length": "strlen"},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
    },
    "create pipeline async status": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "success"},
            {"value": 1, "name": "error"},
            {"value": 2, "name": "device lost"},
            {"value": 3, "name": "device destroyed"},
            {"value": 4, "name": "unknown"}
        ]
    },
    "create render pipeline async callback": {
        "category": "function pointer",
        "args": [
            {"name": "status", "type": "create pipeline async status"},
            {"name": "pipeline", "type": "render pipeline"},
            {"name": "message", "type": "char", "annotation": "const*", "length": "strlen"},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
    },
    "cull mode": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "none"},
            {"value": 1, "name": "front"},
            {"value": 2, "name": "back"}
        ]
    },
    "device": {
        "category": "object",
        "methods": [
            {
                "name": "create bind group",
                "returns": "bind group",
                "args": [
                    {"name": "descriptor", "type": "bind group descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create bind group layout",
                "returns": "bind group layout",
                "args": [
                    {"name": "descriptor", "type": "bind group layout descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create buffer",
                "returns": "buffer",
                "args": [
                    {"name": "descriptor", "type": "buffer descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create error buffer",
                "returns": "buffer",
                "tags": ["dawn"]
            },
            {
                "name": "create command encoder",
                "returns": "command encoder",
                "args": [
                    {"name": "descriptor", "type": "command encoder descriptor", "annotation": "const*", "optional": true}
                ]
            },
            {
                "name": "create compute pipeline",
                "returns": "compute pipeline",
                "args": [
                    {"name": "descriptor", "type": "compute pipeline descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create compute pipeline async",
                "returns": "void",
                "args": [
                    {"name": "descriptor", "type": "compute pipeline descriptor", "annotation": "const*"},
                    {"name": "callback", "type": "create compute pipeline async callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "create external texture",
                "returns": "external texture",
                "tags": ["dawn"],
                "args": [
                    {"name": "external texture descriptor", "type": "external texture descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create error external texture",
                "returns": "external texture",
                "tags": ["dawn"]
            },
            {
                "name": "create pipeline layout",
                "returns": "pipeline layout",
                "args": [
                    {"name": "descriptor", "type": "pipeline layout descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create query set",
                "returns": "query set",
                "args": [
                    {"name": "descriptor", "type": "query set descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create render pipeline async",
                "returns": "void",
                "args": [
                    {"name": "descriptor", "type": "render pipeline descriptor", "annotation": "const*"},
                    {"name": "callback", "type": "create render pipeline async callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "create render bundle encoder",
                "returns": "render bundle encoder",
                "args": [
                    {"name": "descriptor", "type": "render bundle encoder descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create render pipeline",
                "returns": "render pipeline",
                "args": [
                    {"name": "descriptor", "type": "render pipeline descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create sampler",
                "returns": "sampler",
                "args": [
                    {"name": "descriptor", "type": "sampler descriptor", "annotation": "const*", "optional": true}
                ]
            },
            {
                "name": "create shader module",
                "returns": "shader module",
                "args": [
                    {"name": "descriptor", "type": "shader module descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create swap chain",
                "tags": ["dawn"],
                "returns": "swap chain",
                "args": [
                    {"name": "surface", "type": "surface", "optional": true},
                    {"name": "descriptor", "type": "swap chain descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create swap chain",
                "tags": ["upstream", "emscripten"],
                "returns": "swap chain",
                "args": [
                    {"name": "surface", "type": "surface"},
                    {"name": "descriptor", "type": "swap chain descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create texture",
                "returns": "texture",
                "args": [
                    {"name": "descriptor", "type": "texture descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create error texture",
                "returns": "texture",
                "tags": ["dawn"],
                "args": [
                    {"name": "descriptor", "type": "texture descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "destroy"
            },
            {
                "name": "get limits",
                "returns": "bool",
                "args": [
                    {"name": "limits", "type": "supported limits", "annotation": "*"}
                ]
            },
            {
                "name": "has feature",
                "returns": "bool",
                "args": [
                    {"name": "feature", "type": "feature name"}
                ]
            },
            {
                "name": "enumerate features",
                "returns": "size_t",
                "args": [
                    {"name": "features", "type": "feature name", "annotation": "*"}
                ]
            },
            {
                "name": "get adapter",
                "returns": "adapter",
                "tags": ["dawn"]
            },
            {
                "name": "get queue",
                "returns": "queue"
            },
            {
                "name": "inject error",
                "args": [
                    {"name": "type", "type": "error type"},
                    {"name": "message", "type": "char", "annotation": "const*", "length": "strlen"}
                ],
                "tags": ["dawn"]
            },
            {
                "name": "force loss",
                "args": [
                    {"name": "type", "type": "device lost reason"},
                    {"name": "message", "type": "char", "annotation": "const*", "length": "strlen"}
                ],
                "tags": ["dawn"]
            },
            {
                "name": "tick",
                "tags": ["dawn"]
            },
            {
                "name": "set uncaptured error callback",
                "args": [
                    {"name": "callback", "type": "error callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "set logging callback",
                "tags": ["dawn"],
                "args": [
                    {"name": "callback", "type": "logging callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "set device lost callback",
                "args": [
                    {"name": "callback", "type": "device lost callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "push error scope",
                "args": [
                    {"name": "filter", "type": "error filter"}
                ]
            },
            {
                "name": "pop error scope",
                "returns": "bool",
                "args": [
                    {"name": "callback", "type": "error callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }
        ]
    },
    "device lost callback": {
        "category": "function pointer",
        "args": [
            {"name": "reason", "type": "device lost reason"},
            {"name": "message", "type": "char", "annotation": "const*"},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
    },
    "device lost reason": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined"},
            {"value": 1, "name": "destroyed"}
        ]
    },
    "double": {
        "category": "native"
    },
    "error callback": {
        "category": "function pointer",
        "args": [
            {"name": "type", "type": "error type"},
            {"name": "message", "type": "char", "annotation": "const*"},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
    },
    "limits": {
        "category": "structure",
        "members": [
            {"name": "max texture dimension 1D", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max texture dimension 2D", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max texture dimension 3D", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max texture array layers", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max bind groups", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max bindings per bind group", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max dynamic uniform buffers per pipeline layout", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max dynamic storage buffers per pipeline layout", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max sampled textures per shader stage", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max samplers per shader stage", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max storage buffers per shader stage", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max storage textures per shader stage", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max uniform buffers per shader stage", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max uniform buffer binding size", "type": "uint64_t", "default": "WGPU_LIMIT_U64_UNDEFINED"},
            {"name": "max storage buffer binding size", "type": "uint64_t", "default": "WGPU_LIMIT_U64_UNDEFINED"},
            {"name": "min uniform buffer offset alignment", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "min storage buffer offset alignment", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max vertex buffers", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max vertex attributes", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max vertex buffer array stride", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max inter stage shader components", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max inter stage shader variables", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max color attachments", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max compute workgroup storage size", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max compute invocations per workgroup", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max compute workgroup size x", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max compute workgroup size y", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max compute workgroup size z", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max compute workgroups per dimension", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"}
        ]
    },
    "required limits": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "limits", "type": "limits"}
        ]
    },
    "supported limits": {
        "category": "structure",
        "extensible": "out",
        "members": [
            {"name": "limits", "type": "limits"}
        ]
    },
    "logging callback": {
        "category": "function pointer",
        "tags": ["dawn"],
        "args": [
            {"name": "type", "type": "logging type"},
            {"name": "message", "type": "char", "annotation": "const*"},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
    },
    "error filter": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "validation"},
            {"value": 1, "name": "out of memory"},
            {"value": 2, "name": "internal"}
        ]
    },
    "error type": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "no error"},
            {"value": 1, "name": "validation"},
            {"value": 2, "name": "out of memory"},
            {"value": 3, "name": "internal"},
            {"value": 4, "name": "unknown"},
            {"value": 5, "name": "device lost"}
        ]
    },
    "logging type": {
        "category": "enum",
        "tags": ["dawn"],
        "values": [
            {"value": 0, "name": "verbose"},
            {"value": 1, "name": "info"},
            {"value": 2, "name": "warning"},
            {"value": 3, "name": "error"}
        ]
    },
    "extent 3D": {
        "category": "structure",
        "members": [
            {"name": "width", "type": "uint32_t"},
            {"name": "height", "type": "uint32_t", "default": 1},
            {"name": "depth or array layers", "type": "uint32_t", "default": 1}
        ]
    },
    "external texture": {
        "category": "object",
        "tags": ["dawn"],
        "methods": [
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "destroy",
                "returns": "void"
            }
        ]
    },
    "external texture descriptor": {
        "category": "structure",
        "extensible": "in",
        "tags": ["dawn"],
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "plane 0", "type": "texture view"},
            {"name": "plane 1", "type": "texture view", "optional": true},
            {"name": "do yuv to rgb conversion only", "type": "bool", "default": "false"},
            {"name": "yuv to rgb conversion matrix", "type": "float", "annotation": "const*",
                "length": 12, "optional": true},
            {"name": "src transfer function parameters", "type": "float", "annotation": "const*",
                "length": 7},
            {"name": "dst transfer function parameters", "type": "float", "annotation": "const*",
                "length": 7},
            {"name": "gamut conversion matrix", "type": "float", "annotation": "const*",
                "length": 9}
        ]
    },
    "feature name": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined"},
            {"value": 1, "name": "depth clip control"},
            {"value": 2, "name": "depth32 float stencil8"},
            {"value": 3, "name": "timestamp query"},
            {"value": 4, "name": "pipeline statistics query"},
            {"value": 5, "name": "texture compression BC"},
            {"value": 6, "name": "texture compression ETC2"},
            {"value": 7, "name": "texture compression ASTC"},
            {"value": 8, "name": "indirect first instance"},
            {"value": 9, "name": "shader f16"},
            {"value": 10, "name": "RG11B10 ufloat renderable"},
            {"value": 1001, "name": "dawn shader float 16", "tags": ["dawn"]},
            {"value": 1002, "name": "dawn internal usages", "tags": ["dawn"]},
            {"value": 1003, "name": "dawn multi planar formats", "tags": ["dawn"]},
            {"value": 1004, "name": "dawn native", "tags": ["dawn", "native"]},
            {"value": 1005, "name": "chromium experimental dp4a", "tags": ["dawn"]}
        ]
    },
    "filter mode": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "nearest"},
            {"value": 1, "name": "linear"}
        ]
    },
    "float": {
        "category": "native"
    },
    "front face": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "CCW"},
            {"value": 1, "name": "CW"}
        ]
    },
    "image copy buffer": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "layout", "type": "texture data layout"},
            {"name": "buffer", "type": "buffer"}
        ]
    },
    "image copy texture": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "texture", "type": "texture"},
            {"name": "mip level", "type": "uint32_t", "default": "0"},
            {"name": "origin", "type": "origin 3D"},
            {"name": "aspect", "type": "texture aspect", "default": "all"}
        ]
    },
    "index format": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined"},
            {"value": 1, "name": "uint16"},
            {"value": 2, "name": "uint32"}
        ]
    },
    "instance": {
        "category": "object",
        "methods": [
            {
                "name": "create surface",
                "returns": "surface",
                "args": [
                    {"name": "descriptor", "type": "surface descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "process events",
                "tags": ["upstream", "emscripten"]
            },
            {
                "name": "request adapter",
                "args": [
                    {"name": "options", "type": "request adapter options", "annotation": "const*", "optional": true, "no_default": true},
                    {"name": "callback", "type": "request adapter callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            }
        ]
    },
    "instance descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": []
    },
    "dawn instance descriptor": {
        "tags": ["dawn", "native"],
        "category": "structure",
        "chained": "in",
        "chain roots": ["instance descriptor"],
        "members": [
            {"name": "additional runtime search paths count", "type": "uint32_t", "default": 0},
            {"name": "additional runtime search paths", "type": "char", "annotation": "const*const*", "length": "additional runtime search paths count"}
        ]
    },
    "vertex attribute": {
        "category": "structure",
        "extensible": false,
        "members": [
            {"name": "format", "type": "vertex format"},
            {"name": "offset", "type": "uint64_t"},
            {"name": "shader location", "type": "uint32_t"}
        ]
    },
    "vertex buffer layout": {
        "category": "structure",
        "extensible": false,
        "members": [
            {"name": "array stride", "type": "uint64_t"},
            {"name": "step mode", "type": "vertex step mode", "default": "vertex"},
            {"name": "attribute count", "type": "uint32_t"},
            {"name": "attributes", "type": "vertex attribute", "annotation": "const*", "length": "attribute count"}
        ]
    },
    "vertex step mode": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "vertex"},
            {"value": 1, "name": "instance"},
            {"value": 2, "name": "vertex buffer not used", "jsrepr": "undefined", "valid": true}
        ]
    },
    "load op": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined"},
            {"value": 1, "name": "clear"},
            {"value": 2, "name": "load"}
        ]
    },
    "map mode": {
        "category": "bitmask",
        "values": [
            {"value": 0, "name": "none"},
            {"value": 1, "name": "read"},
            {"value": 2, "name": "write"}
        ]
    },
    "mipmap filter mode": {
        "category": "enum",
        "tags": ["upstream"],
        "values": [
            {"value": 0, "name": "nearest"},
            {"value": 1, "name": "linear"}
        ]
    },
    "store op": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined"},
            {"value": 1, "name": "store"},
            {"value": 2, "name": "discard"}
        ]
    },
    "origin 3D": {
        "category": "structure",
        "members": [
            {"name": "x", "type": "uint32_t", "default": "0"},
            {"name": "y", "type": "uint32_t", "default": "0"},
            {"name": "z", "type": "uint32_t", "default": "0"}
        ]
    },
    "pipeline layout": {
        "category": "object",
        "methods": [
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }
        ]
    },
    "pipeline layout descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "bind group layout count", "type": "uint32_t"},
            {"name": "bind group layouts", "type": "bind group layout", "annotation": "const*", "length": "bind group layout count"}
        ]
    },
    "pipeline statistic name": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "vertex shader invocations"},
            {"value": 1, "name": "clipper invocations"},
            {"value": 2, "name": "clipper primitives out"},
            {"value": 3, "name": "fragment shader invocations"},
            {"value": 4, "name": "compute shader invocations"}
        ]
    },
    "power preference": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined"},
            {"value": 1, "name": "low power"},
            {"value": 2, "name": "high performance"}
        ]
    },
    "present mode": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "immediate"},
            {"value": 1, "name": "mailbox"},
            {"value": 2, "name": "fifo"}
        ]
    },
    "programmable stage descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "module", "type": "shader module"},
            {"name": "entry point", "type": "char", "annotation": "const*", "length": "strlen"},
            {"name": "constant count", "type": "uint32_t", "default": 0},
            {"name": "constants", "type": "constant entry", "annotation": "const*", "length": "constant count"}
        ]
    },
    "primitive topology": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "point list"},
            {"value": 1, "name": "line list"},
            {"value": 2, "name": "line strip"},
            {"value": 3, "name": "triangle list"},
            {"value": 4, "name": "triangle strip"}
        ]
    },
    "query set": {
        "category": "object",
        "methods": [
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "get type",
                "returns": "query type"
            },
            {
                "name": "get count",
                "returns": "uint32_t"
            },
            {
                "name": "destroy"
            }
        ]
    },
    "query set descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "type", "type": "query type"},
            {"name": "count", "type": "uint32_t"},
            {"name": "pipeline statistics", "type": "pipeline statistic name", "annotation": "const*", "length": "pipeline statistics count"},
            {"name": "pipeline statistics count", "type": "uint32_t", "default": "0"}
        ]
    },
    "query type": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "occlusion"},
            {"value": 1, "name": "pipeline statistics"},
            {"value": 2, "name": "timestamp"}
        ]
    },
    "queue": {
        "category": "object",
        "methods": [
            {
                "name": "submit",
                "args": [
                    {"name": "command count", "type": "uint32_t"},
                    {"name": "commands", "type": "command buffer", "annotation": "const*", "length": "command count"}
                ]
            },
            {
                "name": "on submitted work done",
                "tags": ["dawn", "emscripten"],
                "args": [
                    {"name": "signal value", "type": "uint64_t"},
                    {"name": "callback", "type": "queue work done callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "on submitted work done",
                "tags": ["upstream"],
                "args": [
                    {"name": "callback", "type": "queue work done callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "write buffer",
                "args": [
                    {"name": "buffer", "type": "buffer"},
                    {"name": "buffer offset", "type": "uint64_t"},
                    {"name": "data", "type": "void", "annotation": "const*", "length": "size"},
                    {"name": "size", "type": "size_t"}
                ]
            },
            {
                "name": "write texture",
                "args": [
                    {"name": "destination", "type": "image copy texture", "annotation": "const*"},
                    {"name": "data", "type": "void", "annotation": "const*", "length": "data size"},
                    {"name": "data size", "type": "size_t"},
                    {"name": "data layout", "type": "texture data layout", "annotation": "const*"},
                    {"name": "write size", "type": "extent 3D", "annotation": "const*"}
                ]
            },
            {
                "name": "copy texture for browser",
                "extensible": "in",
                "tags": ["dawn"],
                "args": [
                    {"name": "source", "type": "image copy texture", "annotation": "const*"},
                    {"name": "destination", "type": "image copy texture", "annotation": "const*"},
                    {"name": "copy size", "type": "extent 3D", "annotation": "const*"},
                    {"name": "options", "type": "copy texture for browser options", "annotation": "const*"}
                ]
            },
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }
        ]
    },
    "queue descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}
        ]
    },
    "queue work done callback": {
        "category": "function pointer",
        "args": [
            {"name": "status", "type": "queue work done status"},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
    },
    "queue work done status": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "success"},
            {"value": 1, "name": "error"},
            {"value": 2, "name": "unknown"},
            {"value": 3, "name": "device lost"}
        ]
    },

    "render bundle": {
        "category": "object"
    },

    "render bundle encoder": {
        "category": "object",
        "methods": [
            {
                "name": "set pipeline",
                "args": [
                    {"name": "pipeline", "type": "render pipeline"}
                ]
            },
            {
                "name": "set bind group",
                "args": [
                    {"name": "group index", "type": "uint32_t"},
                    {"name": "group", "type": "bind group"},
                    {"name": "dynamic offset count", "type": "uint32_t", "default": "0"},
                    {"name": "dynamic offsets", "type": "uint32_t", "annotation": "const*", "length": "dynamic offset count", "default": "nullptr"}
                ]
            },
            {
                "name": "draw",
                "args": [
                    {"name": "vertex count", "type": "uint32_t"},
                    {"name": "instance count", "type": "uint32_t", "default": "1"},
                    {"name": "first vertex", "type": "uint32_t", "default": "0"},
                    {"name": "first instance", "type": "uint32_t",  "default": "0"}
                ]
            },
            {
                "name": "draw indexed",
                "args": [
                    {"name": "index count", "type": "uint32_t"},
                    {"name": "instance count", "type": "uint32_t", "default": "1"},
                    {"name": "first index", "type": "uint32_t", "default": "0"},
                    {"name": "base vertex", "type": "int32_t", "default": "0"},
                    {"name": "first instance", "type": "uint32_t", "default": "0"}
                ]
            },
            {
              "name": "draw indirect",
              "args": [
                    {"name": "indirect buffer", "type": "buffer"},
                    {"name": "indirect offset", "type": "uint64_t"}
              ]
            },
            {
              "name": "draw indexed indirect",
              "args": [
                    {"name": "indirect buffer", "type": "buffer"},
                    {"name": "indirect offset", "type": "uint64_t"}
              ]
            },
            {
                "name": "insert debug marker",
                "args": [
                    {"name": "marker label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "pop debug group",
                "args": []
            },
            {
                "name": "push debug group",
                "args": [
                    {"name": "group label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "set vertex buffer",
                "args": [
                    {"name": "slot", "type": "uint32_t"},
                    {"name": "buffer", "type": "buffer"},
                    {"name": "offset", "type": "uint64_t", "default": "0"},
                    {"name": "size", "type": "uint64_t", "default": "WGPU_WHOLE_SIZE"}
                ]
            },
            {
                "name": "set index buffer",
                "args": [
                    {"name": "buffer", "type": "buffer"},
                    {"name": "format", "type": "index format"},
                    {"name": "offset", "type": "uint64_t", "default": "0"},
                    {"name": "size", "type": "uint64_t", "default": "WGPU_WHOLE_SIZE"}
                ]
            },
            {
                "name": "finish",
                "returns": "render bundle",
                "args": [
                    {"name": "descriptor", "type": "render bundle descriptor", "annotation": "const*", "optional": true}
                ]
            },
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }
        ]
    },

    "render bundle descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}
        ]
    },

    "render bundle encoder descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "color formats count", "type": "uint32_t"},
            {"name": "color formats", "type": "texture format", "annotation": "const*", "length": "color formats count"},
            {"name": "depth stencil format", "type": "texture format", "default": "undefined"},
            {"name": "sample count", "type": "uint32_t", "default": "1"},
            {"name": "depth read only", "type": "bool", "default": "false"},
            {"name": "stencil read only", "type": "bool", "default": "false"}
        ]
    },

    "render pass color attachment": {
        "category": "structure",
        "members": [
            {"name": "view", "type": "texture view", "optional": true},
            {"name": "resolve target", "type": "texture view", "optional": true},
            {"name": "load op", "type": "load op"},
            {"name": "store op", "type": "store op"},
            {"name": "clear color", "type": "color", "default": "{ NAN, NAN, NAN, NAN }", "tags": ["deprecated"]},
            {"name": "clear value", "type": "color"}
        ]
    },

    "render pass depth stencil attachment": {
        "category": "structure",
        "members": [
            {"name": "view", "type": "texture view"},
            {"name": "depth load op", "type": "load op", "default": "undefined"},
            {"name": "depth store op", "type": "store op", "default": "undefined"},
            {"name": "clear depth", "type": "float", "default": "NAN", "tags": ["deprecated"]},
            {"name": "depth clear value", "type": "float", "default": "0"},
            {"name": "depth read only", "type": "bool", "default": "false"},
            {"name": "stencil load op", "type": "load op", "default": "undefined"},
            {"name": "stencil store op", "type": "store op", "default": "undefined"},
            {"name": "clear stencil", "type": "uint32_t", "default": "0", "tags": ["deprecated"]},
            {"name": "stencil clear value", "type": "uint32_t", "default": "0"},
            {"name": "stencil read only", "type": "bool", "default": "false"}
        ]
    },

    "render pass descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "color attachment count", "type": "uint32_t"},
            {"name": "color attachments", "type": "render pass color attachment", "annotation": "const*", "length": "color attachment count"},
            {"name": "depth stencil attachment", "type": "render pass depth stencil attachment", "annotation": "const*", "optional": true},
            {"name": "occlusion query set", "type": "query set", "optional": true},
            {"name": "timestamp write count", "type": "uint32_t", "default": 0},
            {"name": "timestamp writes", "type": "render pass timestamp write", "annotation": "const*", "length": "timestamp write count"}
        ]
    },
    "render pass descriptor max draw count": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["render pass descriptor"],
        "members": [
            {"name": "max draw count", "type": "uint64_t", "default": 50000000}
        ]
    },
    "render pass encoder": {
        "category": "object",
        "methods": [
            {
                "name": "set pipeline",
                "args": [
                    {"name": "pipeline", "type": "render pipeline"}
                ]
            },
            {
                "name": "set bind group",
                "args": [
                    {"name": "group index", "type": "uint32_t"},
                    {"name": "group", "type": "bind group"},
                    {"name": "dynamic offset count", "type": "uint32_t", "default": "0"},
                    {"name": "dynamic offsets", "type": "uint32_t", "annotation": "const*", "length": "dynamic offset count", "default": "nullptr"}
                ]
            },
            {
                "name": "draw",
                "args": [
                    {"name": "vertex count", "type": "uint32_t"},
                    {"name": "instance count", "type": "uint32_t", "default": "1"},
                    {"name": "first vertex", "type": "uint32_t", "default": "0"},
                    {"name": "first instance", "type": "uint32_t",  "default": "0"}
                ]
            },
            {
                "name": "draw indexed",
                "args": [
                    {"name": "index count", "type": "uint32_t"},
                    {"name": "instance count", "type": "uint32_t", "default": "1"},
                    {"name": "first index", "type": "uint32_t", "default": "0"},
                    {"name": "base vertex", "type": "int32_t", "default": "0"},
                    {"name": "first instance", "type": "uint32_t", "default": "0"}
                ]
            },
            {
              "name": "draw indirect",
              "args": [
                    {"name": "indirect buffer", "type": "buffer"},
                    {"name": "indirect offset", "type": "uint64_t"}
              ]
            },
            {
              "name": "draw indexed indirect",
              "args": [
                    {"name": "indirect buffer", "type": "buffer"},
                    {"name": "indirect offset", "type": "uint64_t"}
              ]
            },
            {
              "name": "execute bundles",
              "args": [
                  {"name": "bundles count", "type": "uint32_t"},
                  {"name": "bundles", "type": "render bundle", "annotation": "const*", "length": "bundles count"}
              ]
            },
            {
                "name": "insert debug marker",
                "args": [
                    {"name": "marker label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "pop debug group",
                "args": []
            },
            {
                "name": "push debug group",
                "args": [
                    {"name": "group label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "set stencil reference",
                "args": [
                    {"name": "reference", "type": "uint32_t"}
                ]
            },
            {
                "name": "set blend constant",
                "args": [
                    {"name": "color", "type": "color", "annotation": "const*"}
                ]
            },
            {
                "name": "set viewport",
                "args": [
                    {"name": "x", "type": "float"},
                    {"name": "y", "type": "float"},
                    {"name": "width", "type": "float"},
                    {"name": "height", "type": "float"},
                    {"name": "min depth", "type": "float"},
                    {"name": "max depth", "type": "float"}
                ]
            },
            {
                "name": "set scissor rect",
                "args": [
                    {"name": "x", "type": "uint32_t"},
                    {"name": "y", "type": "uint32_t"},
                    {"name": "width", "type": "uint32_t"},
                    {"name": "height", "type": "uint32_t"}
                ]
            },
            {
                "name": "set vertex buffer",
                "args": [
                    {"name": "slot", "type": "uint32_t"},
                    {"name": "buffer", "type": "buffer"},
                    {"name": "offset", "type": "uint64_t", "default": "0"},
                    {"name": "size", "type": "uint64_t", "default": "WGPU_WHOLE_SIZE"}
                ]
            },
            {
                "name": "set index buffer",
                "args": [
                    {"name": "buffer", "type": "buffer"},
                    {"name": "format", "type": "index format"},
                    {"name": "offset", "type": "uint64_t", "default": "0"},
                    {"name": "size", "type": "uint64_t", "default": "WGPU_WHOLE_SIZE"}
                ]
            },
            {
                "name": "begin occlusion query",
                "args": [
                    {"name": "query index", "type": "uint32_t"}
                ]
            },
            {
                "name": "begin pipeline statistics query",
                "tags": ["upstream", "emscripten"],
                "args": [
                    {"name": "query set", "type": "query set"},
                    {"name": "query index", "type": "uint32_t"}
                ]
            },
            {
                "name": "end occlusion query"
            },
            {
                "name": "write timestamp",
                "tags": ["emscripten", "dawn"],
                "args": [
                    {"name": "query set", "type": "query set"},
                    {"name": "query index", "type": "uint32_t"}
                ]
            },
            {
                "name": "end"
            },
            {
                "name": "end pass",
                "tags": ["deprecated"]
            },
            {
                "name": "end pipeline statistics query",
                "tags": ["upstream", "emscripten"]
            },
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }
        ]
    },
    "render pass timestamp location": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "beginning"},
            {"value": 1, "name": "end"}
        ]
    },
    "render pass timestamp write": {
        "category": "structure",
        "members": [
            {"name": "query set", "type": "query set"},
            {"name": "query index", "type": "uint32_t"},
            {"name": "location", "type": "render pass timestamp location"}
        ]
    },
    "render pipeline": {
        "category": "object",
        "methods": [
            {
                "name": "get bind group layout",
                "returns": "bind group layout",
                "args": [
                    {"name": "group index", "type": "uint32_t"}
                ]
            },
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }

        ]
    },

    "request device callback": {
        "category": "function pointer",
        "args": [
            {"name": "status", "type": "request device status"},
            {"name": "device", "type": "device"},
            {"name": "message", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
    },

    "request device status": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "success"},
            {"value": 1, "name": "error"},
            {"value": 2, "name": "unknown"}
        ]
    },

    "vertex state": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "module", "type": "shader module"},
            {"name": "entry point", "type": "char", "annotation": "const*", "length": "strlen"},
            {"name": "constant count", "type": "uint32_t", "default": 0},
            {"name": "constants", "type": "constant entry", "annotation": "const*", "length": "constant count"},
            {"name": "buffer count", "type": "uint32_t", "default": 0},
            {"name": "buffers", "type": "vertex buffer layout", "annotation": "const*", "length": "buffer count"}
        ]
    },

    "primitive state": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "topology", "type": "primitive topology", "default": "triangle list"},
            {"name": "strip index format", "type": "index format", "default": "undefined"},
            {"name": "front face", "type": "front face", "default": "CCW"},
            {"name": "cull mode", "type": "cull mode", "default": "none"}
        ]
    },

    "primitive depth clip control": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["primitive state"],
        "members": [
            {"name": "unclipped depth", "type": "bool", "default": "false"}
        ]
    },

    "depth stencil state": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "format", "type": "texture format"},
            {"name": "depth write enabled", "type": "bool", "default": "false"},
            {"name": "depth compare", "type": "compare function", "default": "always"},
            {"name": "stencil front", "type": "stencil face state"},
            {"name": "stencil back", "type": "stencil face state"},
            {"name": "stencil read mask", "type": "uint32_t", "default": "0xFFFFFFFF"},
            {"name": "stencil write mask", "type": "uint32_t", "default": "0xFFFFFFFF"},
            {"name": "depth bias", "type": "int32_t", "default": "0"},
            {"name": "depth bias slope scale", "type": "float", "default": "0.0f"},
            {"name": "depth bias clamp", "type": "float", "default": "0.0f"}
        ]
    },

    "multisample state": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "count", "type": "uint32_t", "default": "1"},
            {"name": "mask", "type": "uint32_t", "default": "0xFFFFFFFF"},
            {"name": "alpha to coverage enabled", "type": "bool", "default": "false"}
        ]
    },

    "fragment state": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "module", "type": "shader module"},
            {"name": "entry point", "type": "char", "annotation": "const*", "length": "strlen"},
            {"name": "constant count", "type": "uint32_t", "default": 0},
            {"name": "constants", "type": "constant entry", "annotation": "const*", "length": "constant count"},
            {"name": "target count", "type": "uint32_t"},
            {"name": "targets", "type": "color target state", "annotation": "const*", "length": "target count"}
        ]
    },
    "color target state": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "format", "type": "texture format"},
            {"name": "blend", "type": "blend state", "annotation": "const*", "optional": true},
            {"name": "write mask", "type": "color write mask", "default": "all"}
        ]
    },
    "blend state": {
        "category": "structure",
        "extensible": false,
        "members": [
            {"name": "color", "type": "blend component"},
            {"name": "alpha", "type": "blend component"}
        ]
    },

    "render pipeline descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "layout", "type": "pipeline layout", "optional": true},
            {"name": "vertex", "type": "vertex state"},
            {"name": "primitive", "type": "primitive state"},
            {"name": "depth stencil", "type": "depth stencil state", "annotation": "const*", "optional": true},
            {"name": "multisample", "type": "multisample state"},
            {"name": "fragment", "type": "fragment state", "annotation": "const*", "optional": true}
        ]
    },

    "sampler": {
        "category": "object",
        "methods": [
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }
        ]
    },
    "sampler descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "address mode u", "type": "address mode", "default": "clamp to edge"},
            {"name": "address mode v", "type": "address mode", "default": "clamp to edge"},
            {"name": "address mode w", "type": "address mode", "default": "clamp to edge"},
            {"name": "mag filter", "type": "filter mode", "default": "nearest"},
            {"name": "min filter", "type": "filter mode", "default": "nearest"},
            {"name": "mipmap filter", "type": "filter mode", "default": "nearest", "tags": ["dawn", "emscripten"]},
            {"name": "mipmap filter", "type": "mipmap filter mode", "default": "nearest", "tags": ["upstream"]},
            {"name": "lod min clamp", "type": "float", "default": "0.0f"},
            {"name": "lod max clamp", "type": "float", "default": "1000.0f"},
            {"name": "compare", "type": "compare function", "default": "undefined"},
            {"name": "max anisotropy", "type": "uint16_t", "default": "1"}
        ]
    },
    "shader module": {
        "category": "object",
        "methods": [
            {
                "name": "get compilation info",
                "args": [
                    {"name": "callback", "type": "compilation info callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }
        ]
    },
    "shader module descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "hint count", "type": "uint32_t", "default": 0, "tags": ["upstream"]},
            {"name": "hints", "type": "shader module compilation hint", "annotation": "const*", "length": "hint count", "tags": ["upstream"]}
        ]
    },
    "shader module compilation hint": {
        "category": "structure",
        "extensible": "in",
        "tags": ["upstream"],
        "members": [
            {"name": "entry point", "type": "char", "annotation": "const*", "length": "strlen"},
            {"name": "layout", "type": "pipeline layout"}
        ]
    },
    "shader module SPIRV descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shader module descriptor"],
        "members": [
            {"name": "code size", "type": "uint32_t"},
            {"name": "code", "type": "uint32_t", "annotation": "const*", "length": "code size"}
        ]
    },
    "shader module WGSL descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shader module descriptor"],
        "members": [
            {"name": "source", "type": "char", "annotation": "const*", "length": "strlen", "tags": ["dawn", "emscripten"]},
            {"name": "code", "type": "char", "annotation": "const*", "length": "strlen", "tags": ["upstream"]}
        ]
    },
    "shader stage": {
        "category": "bitmask",
        "values": [
            {"value": 0, "name": "none"},
            {"value": 1, "name": "vertex"},
            {"value": 2, "name": "fragment"},
            {"value": 4, "name": "compute"}
        ]
    },
    "stencil operation": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "keep"},
            {"value": 1, "name": "zero"},
            {"value": 2, "name": "replace"},
            {"value": 3, "name": "invert"},
            {"value": 4, "name": "increment clamp"},
            {"value": 5, "name": "decrement clamp"},
            {"value": 6, "name": "increment wrap"},
            {"value": 7, "name": "decrement wrap"}
        ]
    },
    "stencil face state": {
        "category": "structure",
        "extensible": false,
        "members": [
            {"name": "compare", "type": "compare function", "default": "always"},
            {"name": "fail op", "type": "stencil operation", "default": "keep"},
            {"name": "depth fail op", "type": "stencil operation", "default": "keep"},
            {"name": "pass op", "type": "stencil operation", "default": "keep"}
        ]
    },
    "surface": {
        "category": "object",
        "methods": [
            {
                "name": "get preferred format",
                "returns": "texture format",
                "tags": ["upstream", "emscripten"],
                "args": [
                    {"name": "adapter", "type": "adapter"}
                ]
            }
        ]
    },
    "surface descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}
        ]
    },
    "surface descriptor from android native window": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["surface descriptor"],
        "tags": ["native"],
        "members": [
            {"name": "window", "type": "void", "annotation": "*"}
        ]
    },
    "surface descriptor from canvas HTML selector": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["surface descriptor"],
        "members": [
            {"name": "selector", "type": "char", "annotation": "const*", "length": "strlen"}
        ]
    },
    "surface descriptor from metal layer": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["surface descriptor"],
        "tags": ["native"],
        "members": [
            {"name": "layer", "type": "void", "annotation": "*"}
        ]
    },
    "surface descriptor from windows HWND": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["surface descriptor"],
        "tags": ["native"],
        "members": [
            {"name": "hinstance", "type": "void", "annotation": "*"},
            {"name": "hwnd", "type": "void", "annotation": "*"}
        ]
    },
    "surface descriptor from xcb window": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["surface descriptor"],
        "tags": ["upstream"],
        "members": [
            {"name": "connection", "type": "void", "annotation": "*"},
            {"name": "window", "type": "uint32_t"}
        ]
    },
    "surface descriptor from xlib window": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["surface descriptor"],
        "tags": ["native"],
        "members": [
            {"name": "display", "type": "void", "annotation": "*"},
            {"name": "window", "type": "uint32_t"}
        ]
    },
    "surface descriptor from wayland surface": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["surface descriptor"],
        "tags": ["native"],
        "members": [
            {"name": "display", "type": "void", "annotation": "*"},
            {"name": "surface", "type": "void", "annotation": "*"}
        ]
    },
    "surface descriptor from windows core window": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["surface descriptor"],
        "tags": ["dawn"],
        "members": [
            {"name": "core window", "type": "void", "annotation": "*"}
        ]
    },
    "surface descriptor from windows swap chain panel": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["surface descriptor"],
        "tags": ["dawn"],
        "members": [
            {"name": "swap chain panel", "type": "void", "annotation": "*"}
        ]
    },
    "swap chain": {
        "category": "object",
        "methods": [
            {
                "name": "configure",
                "tags": ["dawn"],
                "args": [
                    {"name": "format", "type": "texture format"},
                    {"name": "allowed usage", "type": "texture usage"},
                    {"name": "width", "type": "uint32_t"},
                    {"name": "height", "type": "uint32_t"}
                ]
            },
            {"name": "get current texture view", "returns": "texture view"},
            {"name": "present"}
        ]
    },
    "swap chain descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "usage", "type": "texture usage"},
            {"name": "format", "type": "texture format"},
            {"name": "width", "type": "uint32_t"},
            {"name": "height", "type": "uint32_t"},
            {"name": "present mode", "type": "present mode"},
            {"name": "implementation", "type": "uint64_t", "default": 0, "tags": ["deprecated"]}
        ]
    },
    "s type": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "invalid", "valid": false},
            {"value": 1, "name": "surface descriptor from metal layer", "tags": ["native"]},
            {"value": 2, "name": "surface descriptor from windows HWND", "tags": ["native"]},
            {"value": 3, "name": "surface descriptor from xlib window", "tags": ["native"]},
            {"value": 4, "name": "surface descriptor from canvas HTML selector"},
            {"value": 5, "name": "shader module SPIRV descriptor"},
            {"value": 6, "name": "shader module WGSL descriptor"},
            {"value": 7, "name": "primitive depth clip control"},
            {"value": 8, "name": "surface descriptor from wayland surface", "tags": ["native"]},
            {"value": 9, "name": "surface descriptor from android native window", "tags": ["native"]},
            {"value": 10, "name": "surface descriptor from xcb window", "tags": ["upstream"]},
            {"value": 11, "name": "surface descriptor from windows core window", "tags": ["dawn"]},
            {"value": 12, "name": "external texture binding entry", "tags": ["dawn"]},
            {"value": 13, "name": "external texture binding layout", "tags": ["dawn"]},
            {"value": 14, "name": "surface descriptor from windows swap chain panel", "tags": ["dawn"]},
            {"value": 15, "name": "render pass descriptor max draw count"},
            {"value": 1000, "name": "dawn texture internal usage descriptor", "tags": ["dawn"]},
            {"value": 1002, "name": "dawn toggles device descriptor", "tags": ["dawn", "native"]},
            {"value": 1003, "name": "dawn encoder internal usage descriptor", "tags": ["dawn"]},
            {"value": 1004, "name": "dawn instance descriptor", "tags": ["dawn", "native"]},
            {"value": 1005, "name": "dawn cache device descriptor", "tags": ["dawn", "native"]},
            {"value": 1006, "name": "dawn adapter properties power preference", "tags": ["dawn", "native"]}
        ]
    },
    "texture": {
        "category": "object",
        "methods": [
            {
                "name": "create view",
                "returns": "texture view",
                "args": [
                    {"name": "descriptor", "type": "texture view descriptor", "annotation": "const*", "optional": true}
                ]
            },
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "get width",
                "returns": "uint32_t"
            },
            {
                "name": "get height",
                "returns": "uint32_t"
            },
            {
                "name": "get depth or array layers",
                "returns": "uint32_t"
            },
            {
                "name": "get mip level count",
                "returns": "uint32_t"
            },
            {
                "name": "get sample count",
                "returns": "uint32_t"
            },
            {
                "name": "get dimension",
                "returns": "texture dimension"
            },
            {
                "name": "get format",
                "returns": "texture format"
            },
            {
                "name": "get usage",
                "returns": "texture usage"
            },
            {
                "name": "destroy"
            }
        ]
    },
    "texture aspect": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "all"},
            {"value": 1, "name": "stencil only"},
            {"value": 2, "name": "depth only"},
            {"value": 3, "name": "plane 0 only", "tags": ["dawn"]},
            {"value": 4, "name": "plane 1 only", "tags": ["dawn"]}
        ]
    },
    "texture component type": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "float"},
            {"value": 1, "name": "sint"},
            {"value": 2, "name": "uint"},
            {"value": 3, "name": "depth comparison"}
        ]
    },
    "texture data layout": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "offset", "type": "uint64_t", "default": 0},
            {"name": "bytes per row", "type": "uint32_t", "default": "WGPU_COPY_STRIDE_UNDEFINED"},
            {"name": "rows per image", "type": "uint32_t", "default": "WGPU_COPY_STRIDE_UNDEFINED"}
        ]
    },
    "texture descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "usage", "type": "texture usage"},
            {"name": "dimension", "type": "texture dimension", "default": "2D"},
            {"name": "size", "type": "extent 3D"},
            {"name": "format", "type": "texture format"},
            {"name": "mip level count", "type": "uint32_t", "default": 1},
            {"name": "sample count", "type": "uint32_t", "default": 1},
            {"name": "view format count", "type": "uint32_t", "default": 0},
            {"name": "view formats", "type": "texture format", "annotation": "const*", "length": "view format count"}
        ]
    },
    "texture dimension": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "1D"},
            {"value": 1, "name": "2D"},
            {"value": 2, "name": "3D"}
        ]
    },
    "texture format": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "valid": false, "jsrepr": "undefined"},

            {"value": 1, "name": "R8 unorm"},
            {"value": 2, "name": "R8 snorm"},
            {"value": 3, "name": "R8 uint"},
            {"value": 4, "name": "R8 sint"},

            {"value": 5, "name": "R16 uint"},
            {"value": 6, "name": "R16 sint"},
            {"value": 7, "name": "R16 float"},
            {"value": 8, "name": "RG8 unorm"},
            {"value": 9, "name": "RG8 snorm"},
            {"value": 10, "name": "RG8 uint"},
            {"value": 11, "name": "RG8 sint"},

            {"value": 12, "name": "R32 float"},
            {"value": 13, "name": "R32 uint"},
            {"value": 14, "name": "R32 sint"},
            {"value": 15, "name": "RG16 uint"},
            {"value": 16, "name": "RG16 sint"},
            {"value": 17, "name": "RG16 float"},
            {"value": 18, "name": "RGBA8 unorm"},
            {"value": 19, "name": "RGBA8 unorm srgb"},
            {"value": 20, "name": "RGBA8 snorm"},
            {"value": 21, "name": "RGBA8 uint"},
            {"value": 22, "name": "RGBA8 sint"},
            {"value": 23, "name": "BGRA8 unorm"},
            {"value": 24, "name": "BGRA8 unorm srgb"},
            {"value": 25, "name": "RGB10 A2 unorm"},
            {"value": 26, "name": "RG11 B10 ufloat"},
            {"value": 27, "name": "RGB9 E5 ufloat"},

            {"value": 28, "name": "RG32 float"},
            {"value": 29, "name": "RG32 uint"},
            {"value": 30, "name": "RG32 sint"},
            {"value": 31, "name": "RGBA16 uint"},
            {"value": 32, "name": "RGBA16 sint"},
            {"value": 33, "name": "RGBA16 float"},

            {"value": 34, "name": "RGBA32 float"},
            {"value": 35, "name": "RGBA32 uint"},
            {"value": 36, "name": "RGBA32 sint"},

            {"value": 37, "name": "stencil8"},
            {"value": 38, "name": "depth16 unorm"},
            {"value": 39, "name": "depth24 plus"},
            {"value": 40, "name": "depth24 plus stencil8"},
            {"value": 41, "name": "depth32 float"},
            {"value": 42, "name": "depth32 float stencil8"},

            {"value": 43, "name": "BC1 RGBA unorm",         "jsrepr": "'bc1-rgba-unorm'"},
            {"value": 44, "name": "BC1 RGBA unorm srgb",    "jsrepr": "'bc1-rgba-unorm-srgb'"},
            {"value": 45, "name": "BC2 RGBA unorm",         "jsrepr": "'bc2-rgba-unorm'"},
            {"value": 46, "name": "BC2 RGBA unorm srgb",    "jsrepr": "'bc2-rgba-unorm-srgb'"},
            {"value": 47, "name": "BC3 RGBA unorm",         "jsrepr": "'bc3-rgba-unorm'"},
            {"value": 48, "name": "BC3 RGBA unorm srgb",    "jsrepr": "'bc3-rgba-unorm-srgb'"},
            {"value": 49, "name": "BC4 R unorm",            "jsrepr": "'bc4-r-unorm'"},
            {"value": 50, "name": "BC4 R snorm",            "jsrepr": "'bc4-r-snorm'"},
            {"value": 51, "name": "BC5 RG unorm",           "jsrepr": "'bc5-rg-unorm'"},
            {"value": 52, "name": "BC5 RG snorm",           "jsrepr": "'bc5-rg-snorm'"},
            {"value": 53, "name": "BC6H RGB ufloat",        "jsrepr": "'bc6h-rgb-ufloat'"},
            {"value": 54, "name": "BC6H RGB float",         "jsrepr": "'bc6h-rgb-float'"},
            {"value": 55, "name": "BC7 RGBA unorm",         "jsrepr": "'bc7-rgba-unorm'"},
            {"value": 56, "name": "BC7 RGBA unorm srgb",    "jsrepr": "'bc7-rgba-unorm-srgb'"},

            {"value": 57, "name": "ETC2 RGB8 unorm",        "jsrepr": "'etc2-rgb8unorm'"},
            {"value": 58, "name": "ETC2 RGB8 unorm srgb",   "jsrepr": "'etc2-rgb8unorm-srgb'"},
            {"value": 59, "name": "ETC2 RGB8A1 unorm",      "jsrepr": "'etc2-rgb8a1unorm'"},
            {"value": 60, "name": "ETC2 RGB8A1 unorm srgb", "jsrepr": "'etc2-rgb8a1unorm-srgb'"},
            {"value": 61, "name": "ETC2 RGBA8 unorm",       "jsrepr": "'etc2-rgba8unorm'"},
            {"value": 62, "name": "ETC2 RGBA8 unorm srgb",  "jsrepr": "'etc2-rgba8unorm-srgb'"},
            {"value": 63, "name": "EAC R11 unorm",          "jsrepr": "'eac-r11unorm'"},
            {"value": 64, "name": "EAC R11 snorm",          "jsrepr": "'eac-r11snorm'"},
            {"value": 65, "name": "EAC RG11 unorm",         "jsrepr": "'eac-rg11unorm'"},
            {"value": 66, "name": "EAC RG11 snorm",         "jsrepr": "'eac-rg11snorm'"},

            {"value": 67, "name": "ASTC 4x4 unorm",         "jsrepr": "'astc-4x4-unorm'"},
            {"value": 68, "name": "ASTC 4x4 unorm srgb",    "jsrepr": "'astc-4x4-unorm-srgb'"},
            {"value": 69, "name": "ASTC 5x4 unorm",         "jsrepr": "'astc-5x4-unorm'"},
            {"value": 70, "name": "ASTC 5x4 unorm srgb",    "jsrepr": "'astc-5x4-unorm-srgb'"},
            {"value": 71, "name": "ASTC 5x5 unorm",         "jsrepr": "'astc-5x5-unorm'"},
            {"value": 72, "name": "ASTC 5x5 unorm srgb",    "jsrepr": "'astc-5x5-unorm-srgb'"},
            {"value": 73, "name": "ASTC 6x5 unorm",         "jsrepr": "'astc-6x5-unorm'"},
            {"value": 74, "name": "ASTC 6x5 unorm srgb",    "jsrepr": "'astc-6x5-unorm-srgb'"},
            {"value": 75, "name": "ASTC 6x6 unorm",         "jsrepr": "'astc-6x6-unorm'"},
            {"value": 76, "name": "ASTC 6x6 unorm srgb",    "jsrepr": "'astc-6x6-unorm-srgb'"},
            {"value": 77, "name": "ASTC 8x5 unorm",         "jsrepr": "'astc-8x5-unorm'"},
            {"value": 78, "name": "ASTC 8x5 unorm srgb",    "jsrepr": "'astc-8x5-unorm-srgb'"},
            {"value": 79, "name": "ASTC 8x6 unorm",         "jsrepr": "'astc-8x6-unorm'"},
            {"value": 80, "name": "ASTC 8x6 unorm srgb",    "jsrepr": "'astc-8x6-unorm-srgb'"},
            {"value": 81, "name": "ASTC 8x8 unorm",         "jsrepr": "'astc-8x8-unorm'"},
            {"value": 82, "name": "ASTC 8x8 unorm srgb",    "jsrepr": "'astc-8x8-unorm-srgb'"},
            {"value": 83, "name": "ASTC 10x5 unorm",        "jsrepr": "'astc-10x5-unorm'"},
            {"value": 84, "name": "ASTC 10x5 unorm srgb",   "jsrepr": "'astc-10x5-unorm-srgb'"},
            {"value": 85, "name": "ASTC 10x6 unorm",        "jsrepr": "'astc-10x6-unorm'"},
            {"value": 86, "name": "ASTC 10x6 unorm srgb",   "jsrepr": "'astc-10x6-unorm-srgb'"},
            {"value": 87, "name": "ASTC 10x8 unorm",        "jsrepr": "'astc-10x8-unorm'"},
            {"value": 88, "name": "ASTC 10x8 unorm srgb",   "jsrepr": "'astc-10x8-unorm-srgb'"},
            {"value": 89, "name": "ASTC 10x10 unorm",       "jsrepr": "'astc-10x10-unorm'"},
            {"value": 90, "name": "ASTC 10x10 unorm srgb",  "jsrepr": "'astc-10x10-unorm-srgb'"},
            {"value": 91, "name": "ASTC 12x10 unorm",       "jsrepr": "'astc-12x10-unorm'"},
            {"value": 92, "name": "ASTC 12x10 unorm srgb",  "jsrepr": "'astc-12x10-unorm-srgb'"},
            {"value": 93, "name": "ASTC 12x12 unorm",       "jsrepr": "'astc-12x12-unorm'"},
            {"value": 94, "name": "ASTC 12x12 unorm srgb",  "jsrepr": "'astc-12x12-unorm-srgb'"},

            {"value": 95, "name": "R8 BG8 Biplanar 420 unorm", "tags": ["dawn"]}
        ]
    },
    "texture usage": {
        "category": "bitmask",
        "values": [
            {"value": 0, "name": "none"},
            {"value": 1, "name": "copy src"},
            {"value": 2, "name": "copy dst"},
            {"value": 4, "name": "texture binding"},
            {"value": 8, "name": "storage binding"},
            {"value": 16, "name": "render attachment"},
            {"value": 32, "name": "present", "tags": ["dawn"]}
        ]
    },
    "texture view descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "format", "type": "texture format", "default": "undefined"},
            {"name": "dimension", "type": "texture view dimension", "default": "undefined"},
            {"name": "base mip level", "type": "uint32_t", "default": "0"},
            {"name": "mip level count", "type": "uint32_t", "default": "WGPU_MIP_LEVEL_COUNT_UNDEFINED"},
            {"name": "base array layer", "type": "uint32_t", "default": "0"},
            {"name": "array layer count", "type": "uint32_t", "default": "WGPU_ARRAY_LAYER_COUNT_UNDEFINED"},
            {"name": "aspect", "type": "texture aspect", "default": "all"}
        ]
    },
    "texture view": {
        "category": "object",
        "methods": [
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }
        ]
    },
    "texture view dimension": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "valid": false, "jsrepr": "undefined"},
            {"value": 1, "name": "1D"},
            {"value": 2, "name": "2D"},
            {"value": 3, "name": "2D array"},
            {"value": 4, "name": "cube"},
            {"value": 5, "name": "cube array"},
            {"value": 6, "name": "3D"}
        ]
    },
    "vertex format": {
        "category": "enum",
        "values": [
            {"value": 0,  "name": "undefined", "valid": false, "jsrepr": "undefined"},
            {"value": 1,  "name": "uint8x2"},
            {"value": 2,  "name": "uint8x4"},
            {"value": 3,  "name": "sint8x2"},
            {"value": 4,  "name": "sint8x4"},
            {"value": 5,  "name": "unorm8x2"},
            {"value": 6,  "name": "unorm8x4"},
            {"value": 7,  "name": "snorm8x2"},
            {"value": 8,  "name": "snorm8x4"},
            {"value": 9,  "name": "uint16x2"},
            {"value": 10, "name": "uint16x4"},
            {"value": 11, "name": "sint16x2"},
            {"value": 12, "name": "sint16x4"},
            {"value": 13, "name": "unorm16x2"},
            {"value": 14, "name": "unorm16x4"},
            {"value": 15, "name": "snorm16x2"},
            {"value": 16, "name": "snorm16x4"},
            {"value": 17, "name": "float16x2"},
            {"value": 18, "name": "float16x4"},
            {"value": 19, "name": "float32"},
            {"value": 20, "name": "float32x2"},
            {"value": 21, "name": "float32x3"},
            {"value": 22, "name": "float32x4"},
            {"value": 23, "name": "uint32"},
            {"value": 24, "name": "uint32x2"},
            {"value": 25, "name": "uint32x3"},
            {"value": 26, "name": "uint32x4"},
            {"value": 27, "name": "sint32"},
            {"value": 28, "name": "sint32x2"},
            {"value": 29, "name": "sint32x3"},
            {"value": 30, "name": "sint32x4"}
        ]
    },
    "whole size" : {
        "category": "constant",
        "type": "uint64_t",
        "value":  "(0xffffffffffffffffULL)"
    },
    "whole map size" : {
        "category": "constant",
        "type": "size_t",
        "value":  "SIZE_MAX"
    },
    "stride undefined" : {
        "category": "constant",
        "tags": ["deprecated"],
        "_TODO": "crbug.com/dawn/520: Remove WGPU_STRIDE_UNDEFINED in favor of WGPU_COPY_STRIDE_UNDEFINED.",
        "type": "uint32_t",
        "value":  "(0xffffffffUL)"
    },
    "copy stride undefined" : {
        "category": "constant",
        "type": "uint32_t",
        "value":  "(0xffffffffUL)"
    },
    "limit u32 undefined" : {
        "category": "constant",
        "type": "uint32_t",
        "value":  "(0xffffffffUL)"
    },
    "limit u64 undefined" : {
        "category": "constant",
        "type": "uint64_t",
        "value":  "(0xffffffffffffffffULL)"
    },
    "array layer count undefined" : {
        "category": "constant",
        "type": "uint32_t",
        "value":  "(0xffffffffUL)"
    },
    "mip level count undefined" : {
        "category": "constant",
        "type": "uint32_t",
        "value":  "(0xffffffffUL)"
    },
    "ObjectType": {
      "_comment": "Only used for the wire",
      "category": "native"
    },
    "ObjectId": {
      "_comment": "Only used for the wire",
      "category": "native"
    },
    "ObjectHandle": {
      "_comment": "Only used for the wire",
      "category": "native"
    },
    "void": {
        "category": "native"
    },
    "void *": {
        "category": "native"
    },
    "void const *": {
        "category": "native"
    },
    "int32_t": {
        "category": "native"
    },
    "size_t": {
        "category": "native"
    },
    "uint16_t": {
        "category": "native"
    },
    "uint32_t": {
        "category": "native"
    },
    "uint64_t": {
        "category": "native"
    },
    "uint8_t": {
        "category": "native"
    },
    "dawn texture internal usage descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["texture descriptor"],
        "tags": ["dawn"],
        "members": [
            {"name": "internal usage", "type": "texture usage", "default": "none"}
        ]
    },
    "dawn encoder internal usage descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["command encoder descriptor"],
        "tags": ["dawn"],
        "members": [
            {"name": "use internal usages", "type": "bool", "default": "false"}
        ]
    },
    "dawn adapter properties power preference": {
        "category": "structure",
        "chained": "out",
        "chain roots": ["adapter properties"],
        "tags": ["dawn"],
        "members": [
            {"name": "power preference", "type": "power preference", "default": "undefined"}
        ]
    }
}