{
    "_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",
        "_comment": "TODO(crbug.com/dawn/1987): The return type should be nullable; null is returned in error cases.",
        "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", "optional": true},
            {"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": "backend type", "type": "backend type", "default": "undefined"},
            {"name": "force fallback adapter", "type": "bool", "default": "false"},
            {"name": "compatibility mode", "type": "bool", "default": "false", "tags": ["dawn", "emscripten"]}
        ]
    },
    "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", "optional": true},
            {"name": "message", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "userdata", "type": "void *"}
        ]
    },
    "adapter": {
        "category": "object",
        "no autolock": true,
        "methods": [
            {
                "name": "get instance",
                "tags": ["dawn"],
                "returns": "instance"
            },
            {
                "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 *"}
                ]
            },
            {
                "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", "default": "nullptr"},
            {"name": "architecture", "type": "char", "annotation": "const*", "length": "strlen", "default": "nullptr"},
            {"name": "device ID", "type": "uint32_t"},
            {"name": "name", "type": "char", "annotation": "const*", "length": "strlen", "default": "nullptr"},
            {"name": "driver description", "type": "char", "annotation": "const*", "length": "strlen", "default": "nullptr"},
            {"name": "adapter type", "type": "adapter type"},
            {"name": "backend type", "type": "backend type"},
            {"name": "compatibility mode", "type": "bool", "default": "false", "tags": ["dawn", "emscripten"]}
        ]
    },
    "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 feature count", "type": "size_t", "default": 0},
            {"name": "required features", "type": "feature name", "annotation": "const*", "length": "required feature count", "default": "nullptr"},
            {"name": "required limits", "type": "required limits", "annotation": "const*", "optional": true},
            {"name": "default queue", "type": "queue descriptor"},
            {"name": "device lost callback", "type": "device lost callback", "default": "nullptr"},
            {"name": "device lost userdata", "type": "void *", "default": "nullptr"}
        ]
    },
    "dawn toggles descriptor": {
        "tags": ["dawn", "native"],
        "category": "structure",
        "chained": "in",
        "chain roots": ["instance descriptor", "request adapter options", "device descriptor"],
        "members": [
            {"name": "enabled toggle count", "type": "size_t", "default": 0},
            {"name": "enabled toggles", "type": "char", "annotation": "const*const*", "length": "enabled toggle count"},
            {"name": "disabled toggle count", "type": "size_t", "default": 0},
            {"name": "disabled toggles", "type": "char", "annotation": "const*const*", "length": "disabled toggle 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": "undefined", "jsrepr": "undefined", "valid": false},
            {"value": 1, "name": "null"},
            {"value": 2, "name": "WebGPU"},
            {"value": 3, "name": "D3D11"},
            {"value": 4, "name": "D3D12"},
            {"value": 5, "name": "metal"},
            {"value": 6, "name": "vulkan"},
            {"value": 7, "name": "openGL"},
            {"value": 8, "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", "default": "WGPU_WHOLE_SIZE"},
            {"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": "size_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"}
        ]
    },
    "surface capabilities": {
        "category": "structure",
        "tags": ["upstream"],
        "extensible": "out",
        "members": [
            {"name": "format count", "type": "size_t"},
            {"name": "formats", "type": "texture format", "annotation": "*"},
            {"name": "present mode count", "type": "size_t"},
            {"name": "present modes", "type": "present mode", "annotation": "*"},
            {"name": "alpha mode count", "type": "size_t"},
            {"name": "alpha modes", "type": "composite alpha mode", "annotation": "*"}
        ],
        "methods": [
            {
                "name": "free members",
                "returns": "void",
                "args": []
            }
        ]
    },
    "surface configuration": {
        "category": "structure",
        "tags": ["upstream"],
        "extensible": "in",
        "members": [
            {"name": "device", "type": "device"},
            {"name": "format", "type": "texture format"},
            {"name": "usage", "type": "texture usage"},
            {"name": "view format count", "type": "size_t"},
            {"name": "view formats", "type": "texture format", "annotation": "const*"},
            {"name": "alpha mode", "type": "composite alpha mode"},
            {"name": "width", "type": "uint32_t"},
            {"name": "height", "type": "uint32_t"},
            {"name": "present mode", "type": "present mode"}
        ]
    },
    "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"},
            {"value": 2, "name": "read only", "tags": ["dawn"]},
            {"value": 3, "name": "read write", "tags": ["dawn"]}
        ]
    },
    "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": "size_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"},
            {"value": 13, "name": "src1", "tags": ["dawn"]},
            {"value": 14, "name": "one minus src1", "tags": ["dawn"]},
            {"value": 15, "name": "src1 alpha", "tags": ["dawn"]},
            {"value": 16, "name": "one minus src1 alpha", "tags": ["dawn"]}
        ]
    },
    "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 *"}
                ]
            },
            {
                "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": "get map state",
                "returns": "buffer map state"
            },
            {
                "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 *"}
        ]
    },
    "buffer map async status": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "success"},
            {"value": 1, "name": "validation error"},
            {"value": 2, "name": "unknown"},
            {"value": 3, "name": "device lost"},
            {"value": 4, "name": "destroyed before callback"},
            {"value": 5, "name": "unmapped before callback"},
            {"value": 6, "name": "mapping already pending"},
            {"value": 7, "name": "offset out of range"},
            {"value": 8, "name": "size out of range"}
        ]
    },
    "buffer map state": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "unmapped"},
            {"value": 1, "name": "pending"},
            {"value": 2, "name": "mapped"}
        ]
    },
    "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",
        "no autolock": true,
        "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": "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"}
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                "name": "write buffer",
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                    {"name": "size", "type": "uint64_t"}
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                "name": "write timestamp",
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                    {"name": "query set", "type": "query set"},
                    {"name": "query index", "type": "uint32_t"}
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            {
                "name": "set label",
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                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
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        ]
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            {"value": 3, "name": "less equal"},
            {"value": 4, "name": "greater"},
            {"value": 5, "name": "greater equal"},
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            {"name": "messages", "type": "compilation message", "annotation": "const*", "length": "message count"}
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    "compilation info callback": {
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            {"name": "compilation info", "type": "compilation info", "annotation": "const*"},
            {"name": "userdata", "type": "void *"}
        ]
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    "compilation info request status": {
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            {"value": 1, "name": "error"},
            {"value": 2, "name": "device lost"},
            {"value": 3, "name": "unknown"}
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            {"name": "utf16 length", "type": "uint64_t"}
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        "emscripten_no_enum_table": true,
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            {"value": 1, "name": "warning"},
            {"value": 2, "name": "info"}
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            {"name": "timestamp writes", "type": "compute pass timestamp write", "annotation": "const*", "length": "timestamp write count"}
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    "compute pass encoder": {
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        "no autolock": true,
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                "name": "insert debug marker",
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                "name": "pop debug group",
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                "name": "set pipeline",
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                "name": "set bind group",
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                    {"name": "query index", "type": "uint32_t"}
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                "name": "begin pipeline statistics query",
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                    {"name": "query index", "type": "uint32_t"}
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                "name": "dispatch workgroups",
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                "name": "dispatch workgroups indirect",
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                  {"name": "indirect offset", "type": "uint64_t"}
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            {
                "name": "end"
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            {
                "name": "end pipeline statistics query",
                "tags": ["upstream", "emscripten"]
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                "name": "set label",
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            {"value": 1, "name": "end"}
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    "compute pass timestamp write": {
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            {"name": "query index", "type": "uint32_t"},
            {"name": "location", "type": "compute pass timestamp location"}
        ]
    },
    "compute pipeline": {
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                "name": "get bind group layout",
                "returns": "bind group layout",
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                "name": "set label",
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            {"name": "compute", "type": "programmable stage descriptor"}
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            {"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*",
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            {"name": "conversion matrix", "type": "float", "annotation": "const*",
                     "length": 9, "optional": true},
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                     "length": 7, "optional": true},
            {"name": "dst alpha mode", "type": "alpha mode", "default": "unpremultiplied"},
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            {"value": 2, "name": "internal error"},
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            {"value": 4, "name": "device destroyed"},
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            {"value": 2, "name": "back"}
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                "name": "create bind group layout",
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                "name": "create buffer",
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                "name": "create error buffer",
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                "name": "create compute pipeline",
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                "name": "create compute pipeline async",
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                    {"name": "callback", "type": "create compute pipeline async callback"},
                    {"name": "userdata", "type": "void *"}
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                "name": "create external texture",
                "returns": "external texture",
                "tags": ["dawn"],
                "args": [
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            },
            {
                "name": "create error external texture",
                "returns": "external texture",
                "tags": ["dawn"]
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            {
                "name": "create pipeline layout",
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                "args": [
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            {
                "name": "create render pipeline async",
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                    {"name": "callback", "type": "create render pipeline async callback"},
                    {"name": "userdata", "type": "void *"}
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                "name": "create render bundle encoder",
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            {
                "name": "create render pipeline",
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                "name": "create sampler",
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                "args": [
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                "name": "create shader module",
                "returns": "shader module",
                "args": [
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                "name": "create error shader module",
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                    {"name": "error message", "type": "char", "annotation": "const*", "length": "strlen"}
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                "name": "create swap chain",
                "tags": ["dawn", "emscripten"],
                "returns": "swap chain",
                "args": [
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                    {"name": "descriptor", "type": "swap chain descriptor", "annotation": "const*"}
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                "name": "create texture",
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                "name": "import shared texture memory",
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                "tags": ["dawn", "native"],
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            {
                "name": "import shared fence",
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                "args": [
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            {
                "name": "create error texture",
                "returns": "texture",
                "tags": ["dawn"],
                "args": [
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            },
            {
                "name": "destroy"
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                "name": "get limits",
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            {
                "name": "has feature",
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                "args": [
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                "name": "enumerate features",
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            {
                "name": "get adapter",
                "returns": "adapter",
                "tags": ["dawn", "native"]
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            {
                "name": "get queue",
                "returns": "queue"
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            {
                "name": "inject error",
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                "tags": ["dawn"]
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                "name": "force loss",
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                "tags": ["dawn"]
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                "name": "push error scope",
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            {
                "name": "get supported surface usage",
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                "returns": "texture usage",
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            {"name": "max texture dimension 3D", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
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            {"name": "max bind groups plus vertex buffers", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
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            {"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"},
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            {"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"},
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            {"name": "max storage buffer binding size", "type": "uint64_t", "default": "WGPU_LIMIT_U64_UNDEFINED"},
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            {"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 color attachment bytes per sample", "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"}
        ]
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        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "limits", "type": "limits"}
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    },
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        "extensible": "out",
        "members": [
            {"name": "limits", "type": "limits"}
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    "logging callback": {
        "category": "function pointer",
        "tags": ["dawn"],
        "args": [
            {"name": "type", "type": "logging type"},
            {"name": "message", "type": "char", "annotation": "const*", "length": "strlen"},
            {"name": "userdata", "type": "void *"}
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        "category": "enum",
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            {"value": 2, "name": "internal"}
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        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "no error"},
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            {"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 2D": {
        "category": "structure",
        "tags": ["dawn"],
        "members": [
            {"name": "width", "type": "uint32_t"},
            {"name": "height", "type": "uint32_t"}
        ]
    },
    "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"
            },
            {
                "name": "expire",
                "returns": "void"
            },
            {
                "name": "refresh",
                "returns": "void"
            }
        ]
    },
    "external texture rotation":{
        "category": "enum",
        "tags": ["dawn"],
        "values": [
            {"value": 0, "name": "rotate 0 degrees"},
            {"value": 1, "name": "rotate 90 degrees"},
            {"value": 2, "name": "rotate 180 degrees"},
            {"value": 3, "name": "rotate 270 degrees"}
        ]
    },
    "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": "visible origin", "type": "origin 2D"},
            {"name": "visible size", "type": "extent 2D"},
            {"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},
            {"name": "flip y", "type": "bool", "default": "false"},
            {"name": "rotation", "type": "external texture rotation", "default": "rotate 0 degrees"}
        ]
    },
    "shared texture memory": {
        "category": "object",
        "tags": ["dawn", "native"],
        "methods": [
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "get properties",
                "returns": "void",
                "args": [
                    {"name": "properties", "type": "shared texture memory properties", "annotation": "*"}
                ]
            },
            {
                "name": "create texture",
                "returns": "texture",
                "args": [
                    {"name": "descriptor", "type": "texture descriptor", "annotation": "const*", "optional": true, "default": "nullptr"}
                ]
            },
            {
                "name": "begin access",
                "returns": "bool",
                "args": [
                    {"name": "texture", "type": "texture"},
                    {"name": "descriptor", "type": "shared texture memory begin access descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "end access",
                "returns": "bool",
                "args": [
                    {"name": "texture", "type": "texture"},
                    {"name": "descriptor", "type": "shared texture memory end access state", "annotation": "*"}
                ]
            }
        ]
    },
    "shared texture memory properties": {
        "category": "structure",
        "extensible": "out",
        "tags": ["dawn", "native"],
        "members": [
            {"name": "usage", "type": "texture usage"},
            {"name": "size", "type": "extent 3D"},
            {"name": "format", "type": "texture format"}
        ]
    },
    "shared texture memory descriptor": {
        "category": "structure",
        "extensible": "in",
        "tags": ["dawn", "native"],
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}
        ]
    },
    "shared texture memory vk image descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shared texture memory descriptor"],
        "tags": ["dawn", "native"],
        "members": [
            {"name": "vk format", "type": "int32_t"},
            {"name": "vk usage flags", "type": "int32_t"},
            {"name": "vk extent 3D", "type": "extent 3D"}
        ]
    },
    "shared texture memory vk dedicated allocation descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shared texture memory descriptor"],
        "tags": ["dawn", "native"],
        "members": [
            {"name": "dedicated allocation", "type": "bool"}
        ]
    },
    "shared texture memory a hardware buffer descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shared texture memory descriptor"],
        "tags": ["dawn", "native"],
        "members": [
            {"name": "handle", "type": "void *"}
        ]
    },
    "shared texture memory dma buf descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shared texture memory descriptor"],
        "tags": ["dawn", "native"],
        "members": [
            {"name": "memory FD", "type": "int"},
            {"name": "allocation size", "type": "uint64_t"},
            {"name": "drm modifier", "type": "uint64_t"},
            {"name": "plane count", "type": "size_t"},
            {"name": "plane offsets", "type": "uint64_t", "annotation": "const*", "length": "plane count"},
            {"name": "plane strides", "type": "uint32_t", "annotation": "const*", "length": "plane count"}
        ]
    },
    "shared texture memory opaque FD descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shared texture memory descriptor"],
        "tags": ["dawn", "native"],
        "members": [
            {"name": "memory FD", "type": "int"},
            {"name": "allocation size", "type": "uint64_t"}
        ]
    },
    "shared texture memory zircon handle descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shared texture memory descriptor"],
        "tags": ["dawn", "native"],
        "members": [
            {"name": "memory FD", "type": "uint32_t"},
            {"name": "allocation size", "type": "uint64_t"}
        ]
    },
    "shared texture memory DXGI shared handle descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shared texture memory descriptor"],
        "tags": ["dawn", "native"],
        "_comment": "TODO(crbug.com/dawn/1745): improve type safety",
        "members": [
            {"name": "handle", "type": "void *"}
        ]
    },
    "shared texture memory IO surface descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shared texture memory descriptor"],
        "tags": ["dawn", "native"],
        "_comment": "TODO(crbug.com/dawn/1745): improve type safety",
        "members": [
            {"name": "io surface", "type": "void *"}
        ]
    },
    "shared texture memory EGL image descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shared texture memory descriptor"],
        "tags": ["dawn", "native"],
        "_comment": "TODO(crbug.com/dawn/1745): improve type safety",
        "members": [
            {"name": "image", "type": "void *"}
        ]
    },
    "shared texture memory begin access descriptor": {
        "category": "structure",
        "extensible": "in",
        "tags": ["dawn", "native"],
        "members": [
            {"name": "initialized", "type": "bool"},
            {"name": "fence count", "type": "size_t"},
            {"name": "fences", "type": "shared fence", "annotation": "const*", "length": "fence count"},
            {"name": "signaled values", "type": "uint64_t", "annotation": "const*", "length": "fence count"}
        ]
    },
    "shared texture memory end access state": {
        "category": "structure",
        "extensible": "out",
        "tags": ["dawn", "native"],
        "members": [
            {"name": "initialized", "type": "bool"},
            {"name": "fence count", "type": "size_t"},
            {"name": "fences", "type": "shared fence", "annotation": "const*", "length": "fence count"},
            {"name": "signaled values", "type": "uint64_t", "annotation": "const*", "length": "fence count"}
        ]
    },
    "shared texture memory vk image layout begin state": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shared texture memory begin access descriptor"],
        "tags": ["dawn", "native"],
        "_comment": "TODO(crbug.com/dawn/1745): improve type safety",
        "members": [
            {"name": "old layout", "type": "int32_t"},
            {"name": "new layout", "type": "int32_t"}
        ]
    },
    "shared texture memory vk image layout end state": {
        "category": "structure",
        "chained": "out",
        "chain roots": ["shared texture memory end access state"],
        "tags": ["dawn", "native"],
        "_comment": "TODO(crbug.com/dawn/1745): improve type safety",
        "members": [
            {"name": "old layout", "type": "int32_t"},
            {"name": "new layout", "type": "int32_t"}
        ]
    },
    "shared fence": {
        "category": "object",
        "tags": ["dawn", "native"],
        "methods": [
            {
                "name": "export info",
                "returns": "void",
                "args": [
                    {"name": "info", "type": "shared fence export info", "annotation": "*"}
                ]
            }
        ]
    },
    "shared fence descriptor": {
        "category": "structure",
        "extensible": "in",
        "tags": ["dawn", "native"],
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}
        ]
    },
    "shared fence vk semaphore opaque FD descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shared fence descriptor"],
        "tags": ["dawn", "native"],
        "members": [
            {"name": "handle", "type": "int"}
        ]
    },
    "shared fence vk semaphore sync FD descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shared fence descriptor"],
        "tags": ["dawn", "native"],
        "members": [
            {"name": "handle", "type": "int"}
        ]
    },
    "shared fence vk semaphore zircon handle descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shared fence descriptor"],
        "tags": ["dawn", "native"],
        "members": [
            {"name": "handle", "type": "uint32_t"}
        ]
    },
    "shared fence DXGI shared handle descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shared fence descriptor"],
        "tags": ["dawn", "native"],
        "members": [
            {"name": "handle", "type": "void *"}
        ]
    },
    "shared fence MTL shared event descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shared fence descriptor"],
        "tags": ["dawn", "native"],
        "_comment": "TODO(crbug.com/dawn/1745): improve type safety",
        "members": [
            {"name": "shared event", "type": "void *"}
        ]
    },
    "shared fence type": {
        "category": "enum",
        "tags": ["dawn", "native"],
        "values": [
            {"value": 0, "name": "undefined", "valid": false},
            {"value": 1, "name": "vk semaphore opaque FD"},
            {"value": 2, "name": "vk semaphore sync FD"},
            {"value": 3, "name": "vk semaphore zircon handle"},
            {"value": 4, "name": "DXGI shared handle"},
            {"value": 5, "name": "MTL shared event"}
        ]
    },
    "shared fence export info": {
        "category": "structure",
        "extensible": "out",
        "tags": ["dawn", "native"],
        "members": [
            {"name": "type", "type": "shared fence type"}
        ]
    },
    "shared fence vk semaphore opaque FD export info": {
        "category": "structure",
        "chained": "out",
        "chain roots": ["shared fence export info"],
        "tags": ["dawn", "native"],
        "members": [
            {"name": "handle", "type": "int"}
        ]
    },
    "shared fence vk semaphore sync FD export info": {
        "category": "structure",
        "chained": "out",
        "chain roots": ["shared fence export info"],
        "tags": ["dawn", "native"],
        "members": [
            {"name": "handle", "type": "int"}
        ]
    },
    "shared fence vk semaphore zircon handle export info": {
        "category": "structure",
        "chained": "out",
        "chain roots": ["shared fence export info"],
        "tags": ["dawn", "native"],
        "members": [
            {"name": "handle", "type": "uint32_t"}
        ]
    },
    "shared fence DXGI shared handle export info": {
        "category": "structure",
        "chained": "out",
        "chain roots": ["shared fence export info"],
        "tags": ["dawn", "native"],
        "members": [
            {"name": "handle", "type": "void *"}
        ]
    },
    "shared fence MTL shared event export info": {
        "category": "structure",
        "chained": "out",
        "chain roots": ["shared fence export info"],
        "tags": ["dawn", "native"],
        "_comment": "TODO(crbug.com/dawn/1745): improve type safety",
        "members": [
            {"name": "shared event", "type": "void *"}
        ]
    },
    "feature name": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined", "valid": false},
            {"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": 11, "name": "BGRA8 unorm storage"},
            {"value": 12, "name": "float32 filterable"},

            {"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"]},
            {"value": 1006, "name": "timestamp query inside passes", "tags": ["dawn"]},
            {"value": 1007, "name": "implicit device synchronization", "tags": ["dawn", "native"]},
            {"value": 1008, "name": "surface capabilities", "tags": ["dawn", "native"]},
            {"value": 1009, "name": "transient attachments", "tags": ["dawn"]},
            {"value": 1010, "name": "MSAA render to single sampled", "tags": ["dawn"]},
            {"value": 1011, "name": "dual source blending", "tags": ["dawn"]},
            {"value": 1012, "name": "D3D11 multithread protected", "tags": ["dawn", "native"]},
            {"value": 1013, "name": "ANGLE texture sharing", "tags": ["dawn", "native"]},
            {"value": 1014, "name": "chromium experimental subgroups", "tags": ["dawn"]},
            {"value": 1015, "name": "chromium experimental subgroup uniform control flow", "tags": ["dawn"]},
            {"value": 1016, "name": "chromium experimental read write storage texture", "tags": ["dawn"]},
            {"value": 1017, "name": "pixel local storage coherent", "tags": ["dawn"]},
            {"value": 1018, "name": "pixel local storage non coherent", "tags": ["dawn"]},
            {"value": 1019, "name": "norm16 texture formats", "tags": ["dawn"]},
            {"value": 1020, "name": "multi planar format extended usages", "tags": ["dawn"]},
            {"value": 1021, "name": "multi planar format p010", "tags": ["dawn"]},

            {"value": 1100, "name": "shared texture memory vk dedicated allocation", "tags": ["dawn", "native"]},
            {"value": 1101, "name": "shared texture memory a hardware buffer", "tags": ["dawn", "native"]},
            {"value": 1102, "name": "shared texture memory dma buf", "tags": ["dawn", "native"]},
            {"value": 1103, "name": "shared texture memory opaque FD", "tags": ["dawn", "native"]},
            {"value": 1104, "name": "shared texture memory zircon handle", "tags": ["dawn", "native"]},
            {"value": 1105, "name": "shared texture memory DXGI shared handle", "tags": ["dawn", "native"]},
            {"value": 1106, "name": "shared texture memory D3D11 texture 2D", "tags": ["dawn", "native"]},
            {"value": 1107, "name": "shared texture memory IO surface", "tags": ["dawn", "native"]},
            {"value": 1108, "name": "shared texture memory EGL image", "tags": ["dawn", "native"]},
            {"value": 1200, "name": "shared fence vk semaphore opaque FD", "tags": ["dawn", "native"]},
            {"value": 1201, "name": "shared fence vk semaphore sync FD", "tags": ["dawn", "native"]},
            {"value": 1202, "name": "shared fence vk semaphore zircon handle", "tags": ["dawn", "native"]},
            {"value": 1203, "name": "shared fence DXGI shared handle", "tags": ["dawn", "native"]},
            {"value": 1204, "name": "shared fence MTL shared event", "tags": ["dawn", "native"]}
        ]
    },
    "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"}
        ]
    },
    "image copy external texture": {
        "category": "structure",
        "extensible": "in",
        "tags": ["dawn"],
        "members": [
            {"name": "external texture", "type": "external texture"},
            {"name": "origin", "type": "origin 3D"},
            {"name": "natural size", "type": "extent 2D"}
        ]
    },
    "index format": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined"},
            {"value": 1, "name": "uint16"},
            {"value": 2, "name": "uint32"}
        ]
    },
    "instance": {
        "category": "object",
        "no autolock": true,
        "methods": [
            {
                "name": "create surface",
                "returns": "surface",
                "args": [
                    {"name": "descriptor", "type": "surface descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "process events"
            },
            {
                "name": "wait any",
                "returns": "wait status",
                "args": [
                    {"name": "future count", "type": "size_t"},
                    {"name": "futures", "type": "future wait info", "annotation": "*", "length": "future count"},
                    {"name": "timeout NS", "type": "uint64_t"}
                ]
            },
            {
                "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 *"}
                ]
            }
        ]
    },
    "callback mode": {
        "_comment": "TODO(crbug.com/dawn/1987): Change this to an enum, and always return a future (https://github.com/webgpu-native/webgpu-headers/issues/199#issuecomment-1710784711).",
        "category": "bitmask",
        "values": [
            {"name": "future", "value": 1},
            {"name": "process events", "value": 2},
            {"name": "spontaneous", "value": 4}
        ]
    },
    "future": {
        "category": "structure",
        "members": [
            {"name": "id", "type": "uint64_t"}
        ]
    },
    "wait status": {
        "category": "enum",
        "_comment": "TODO(crbug.com/dawn/1987): This could be possibly be [[nodiscard]].",
        "emscripten_no_enum_table": true,
        "values": [
            {"name": "success", "value": 0},
            {"name": "timed out", "value": 1},
            {"name": "unsupported timeout", "value": 2},
            {"name": "unsupported count", "value": 3},
            {"name": "unsupported mixed sources", "value": 4},
            {"name": "unknown", "value": 5}
        ]
    },
    "future wait info": {
        "category": "structure",
        "members": [
            {"name": "future", "type": "future"},
            {"name": "completed", "type": "bool", "default": "false"}
        ]
    },
    "instance features": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "timed wait any enable", "type": "bool", "default": "false"},
            {"name": "timed wait any max count", "type": "size_t", "default": "0"}
        ]
    },
    "instance descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "features", "type": "instance features"}
        ]
    },
    "get instance features": {
        "category": "function",
        "_comment": "TODO(crbug.com/dawn/1987): Figure out how to return error codes for functions like this (https://github.com/webgpu-native/webgpu-headers/issues/115).",
        "returns": "bool",
        "args": [
            {"name": "features", "type": "instance features", "annotation": "*"}
        ]
    },
    "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": "size_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",
        "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"}
        ]
    },
    "origin 2D": {
        "category": "structure",
        "tags": ["dawn"],
        "members": [
            {"name": "x", "type": "uint32_t", "default": "0"},
            {"name": "y", "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": "size_t"},
            {"name": "bind group layouts", "type": "bind group layout", "annotation": "const*", "length": "bind group layout count"}
        ]
    },
    "pipeline layout pixel local storage": {
        "category": "structure",
        "tags": ["dawn"],
        "chained": "in",
        "chain roots": ["pipeline layout descriptor"],
        "members": [
            {"name": "total pixel local storage size", "type": "uint64_t"},
            {"name": "storage attachment count", "type": "size_t", "default": 0},
            {"name": "storage attachments", "type": "pipeline layout storage attachment", "annotation": "const*", "length": "storage attachment count"}
        ]
    },
    "pipeline layout storage attachment": {
        "category": "structure",
        "tags": ["dawn"],
        "extensible": "in",
        "members": [
            {"name": "offset", "type": "uint64_t", "default": 0},
            {"name": "format", "type": "texture format"}
        ]
    },
    "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": "fifo"},
            {"value": 1, "name": "fifo relaxed", "tags": ["upstream"]},
            {"value": 2, "name": "immediate"},
            {"value": 3, "name": "mailbox"}
        ]
    },
    "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": "size_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 statistic count"},
            {"name": "pipeline statistic count", "type": "size_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": "size_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 *"}
                ]
            },
            {
                "name": "on submitted work done",
                "tags": ["upstream"],
                "args": [
                    {"name": "callback", "type": "queue work done callback"},
                    {"name": "userdata", "type": "void *"}
                ]
            },
            {
                "name": "on submitted work done f",
                "_comment": "TODO(crbug.com/dawn/2021): This is dawn/emscripten-only until we rename it to replace the old API. See bug for details.",
                "tags": ["dawn", "emscripten"],
                "returns": "future",
                "args": [
                    {"name": "callback info", "type": "queue work done callback info"}
                ]
            },
            {
                "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": "copy external texture for browser",
                "extensible": "in",
                "tags": ["dawn"],
                "args": [
                    {"name": "source", "type": "image copy external 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 *"}
        ]
    },
    "queue work done callback info": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "mode", "type": "callback mode"},
            {"name": "callback", "type": "queue work done callback"},
            {"name": "userdata", "type": "void *"}
        ]
    },
    "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",
        "methods": [
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }
        ]
    },

    "render bundle encoder": {
        "category": "object",
        "no autolock": true,
        "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", "optional": true},
                    {"name": "dynamic offset count", "type": "size_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", "optional": true},
                    {"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 format count", "type": "size_t"},
            {"name": "color formats", "type": "texture format", "annotation": "const*", "length": "color format 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",
        "extensible": "in",
        "members": [
            {"name": "view", "type": "texture view", "optional": true},
            {"name": "depth slice", "type": "uint32_t", "default": "0", "tags": ["dawn"]},
            {"name": "resolve target", "type": "texture view", "optional": true},
            {"name": "load op", "type": "load op"},
            {"name": "store op", "type": "store op"},
            {"name": "clear value", "type": "color"}
        ]
    },
    "dawn render pass color attachment render to single sampled": {
        "tags": ["dawn"],
        "category": "structure",
        "chained": "in",
        "chain roots": ["render pass color attachment"],
        "members": [
            {"name": "implicit sample count", "type": "uint32_t", "default": 1}
        ]
    },
    "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": "depth clear value", "type": "float", "default": "NAN"},
            {"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": "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": "size_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": "size_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 pixel local storage": {
        "category": "structure",
        "tags": ["dawn"],
        "chained": "in",
        "chain roots": ["render pass descriptor"],
        "members": [
            {"name": "total pixel local storage size", "type": "uint64_t"},
            {"name": "storage attachment count", "type": "size_t", "default": 0},
            {"name": "storage attachments", "type": "render pass storage attachment", "annotation": "const*", "length": "storage attachment count"}
        ]
    },
    "render pass storage attachment": {
        "category": "structure",
        "tags": ["dawn"],
        "extensible": "in",
        "members": [
            {"name": "offset", "type": "uint64_t", "default": 0},
            {"name": "storage", "type": "texture view"},
            {"name": "load op", "type": "load op"},
            {"name": "store op", "type": "store op"},
            {"name": "clear value", "type": "color"}
        ]
    },
    "render pass encoder": {
        "category": "object",
        "no autolock": true,
        "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", "optional": true},
                    {"name": "dynamic offset count", "type": "size_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": "bundle count", "type": "size_t"},
                  {"name": "bundles", "type": "render bundle", "annotation": "const*", "length": "bundle 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", "optional": true},
                    {"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": "pixel local storage barrier",
                "tags": ["dawn"]
            },
            {
                "name": "end"
            },
            {
                "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",
        "_comment": "crbug.com/1234617: Revisit optional status of device once requestDevice can return lost devices",
        "args": [
            {"name": "status", "type": "request device status"},
            {"name": "device", "type": "device", "optional": true},
            {"name": "message", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "userdata", "type": "void *"}
        ]
    },

    "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": "size_t", "default": 0},
            {"name": "constants", "type": "constant entry", "annotation": "const*", "length": "constant count"},
            {"name": "buffer count", "type": "size_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"},
            {"name": "depth compare", "type": "compare function"},
            {"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"}
        ]
    },

    "dawn multisample state render to single sampled": {
        "tags": ["dawn"],
        "category": "structure",
        "chained": "in",
        "chain roots": ["multisample state"],
        "members": [
            {"name": "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": "size_t", "default": 0},
            {"name": "constants", "type": "constant entry", "annotation": "const*", "length": "constant count"},
            {"name": "target count", "type": "size_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": "mipmap filter mode", "default": "nearest"},
            {"name": "lod min clamp", "type": "float", "default": "0.0f"},
            {"name": "lod max clamp", "type": "float", "default": "32.0f"},
            {"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 *"}
                ]
            },
            {
                "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": "size_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": "code", "type": "char", "annotation": "const*", "length": "strlen"}
        ]
    },
    "dawn shader module SPIRV options descriptor": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["shader module descriptor"],
        "tags": ["dawn"],
        "members": [
            {"name": "allow non uniform derivatives", "type": "bool", "default": "false"}
        ]
    },
    "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",
        "no autolock": true,
        "methods": [
            {
                "name": "configure",
                "returns": "void",
                "tags": ["upstream"],
                "args": [
                    {"name": "config", "type": "surface configuration", "annotation": "const*"}
                ]
            },
            {
                "name": "get capabilities",
                "returns": "void",
                "tags": ["upstream"],
                "args": [
                    {"name": "adapter", "type": "adapter"},
                    {"name": "capabilities", "type": "surface capabilities", "annotation": "*"}
                ]
            },
            {
                "name": "get current texture",
                "returns": "void",
                "tags": ["upstream"],
                "args": [
                    {"name": "surface texture", "type": "surface texture", "annotation": "*"}
                ]
            },
            {
                "name": "get preferred format",
                "returns": "texture format",
                "tags": ["upstream", "emscripten"],
                "args": [
                    {"name": "adapter", "type": "adapter"}
                ]
            },
            {
                "name": "present",
                "returns": "void",
                "tags": ["upstream"],
                "args": []
            },
            {
                "name": "unconfigure",
                "returns": "void",
                "tags": ["upstream"],
                "args": []
            }
        ]
    },
    "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",
        "tags": ["dawn", "emscripten"],
        "methods": [
            {"name": "get current texture view", "returns": "texture view"},
            {"name": "get current texture", "returns": "texture", "tags": ["dawn"]},
            {"name": "present"}
        ]
    },
    "swap chain descriptor": {
        "category": "structure",
        "tags": ["dawn", "emscripten"],
        "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"}
        ]
    },
    "surface texture": {
        "category": "structure",
        "tags": ["upstream"],
        "members": [
            {"name": "texture", "type": "texture"},
            {"name": "suboptimal", "type": "bool"},
            {"name": "status", "type": "surface get current texture status"}
        ]
    },
    "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": 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"]},
            {"value": 1007, "name": "dawn buffer descriptor error info from wire client", "tags": ["dawn"]},
            {"value": 1008, "name": "dawn toggles descriptor", "tags": ["dawn", "native"]},
            {"value": 1009, "name": "dawn shader module SPIRV options descriptor", "tags": ["dawn"]},
            {"value": 1010, "name": "request adapter options LUID", "tags": ["dawn", "native"]},
            {"value": 1011, "name": "request adapter options get GL proc", "tags": ["dawn", "native"]},
            {"value": 1012, "name": "dawn multisample state render to single sampled", "tags": ["dawn"]},
            {"value": 1013, "name": "dawn render pass color attachment render to single sampled", "tags": ["dawn"]},
            {"value": 1014, "name": "render pass pixel local storage", "tags": ["dawn"]},
            {"value": 1015, "name": "pipeline layout pixel local storage", "tags": ["dawn"]},

            {"value": 1100, "name": "shared texture memory vk image descriptor", "tags": ["dawn", "native"]},
            {"value": 1101, "name": "shared texture memory vk dedicated allocation descriptor", "tags": ["dawn", "native"]},
            {"value": 1102, "name": "shared texture memory a hardware buffer descriptor", "tags": ["dawn", "native"]},
            {"value": 1103, "name": "shared texture memory dma buf descriptor", "tags": ["dawn", "native"]},
            {"value": 1104, "name": "shared texture memory opaque FD descriptor", "tags": ["dawn", "native"]},
            {"value": 1105, "name": "shared texture memory zircon handle descriptor", "tags": ["dawn", "native"]},
            {"value": 1106, "name": "shared texture memory DXGI shared handle descriptor", "tags": ["dawn", "native"]},
            {"value": 1107, "name": "shared texture memory D3D11 texture 2D descriptor", "tags": ["dawn", "native"]},
            {"value": 1108, "name": "shared texture memory IO surface descriptor", "tags": ["dawn", "native"]},
            {"value": 1109, "name": "shared texture memory EGL image descriptor", "tags": ["dawn", "native"]},
            {"value": 1200, "name": "shared texture memory initialized begin state", "tags": ["dawn", "native"]},
            {"value": 1201, "name": "shared texture memory initialized end state", "tags": ["dawn", "native"]},
            {"value": 1202, "name": "shared texture memory vk image layout begin state", "tags": ["dawn", "native"]},
            {"value": 1203, "name": "shared texture memory vk image layout end state", "tags": ["dawn", "native"]},
            {"value": 1204, "name": "shared fence vk semaphore opaque FD descriptor", "tags": ["dawn", "native"]},
            {"value": 1205, "name": "shared fence vk semaphore opaque FD export info", "tags": ["dawn", "native"]},
            {"value": 1206, "name": "shared fence vk semaphore sync FD descriptor", "tags": ["dawn", "native"]},
            {"value": 1207, "name": "shared fence vk semaphore sync FD export info", "tags": ["dawn", "native"]},
            {"value": 1208, "name": "shared fence vk semaphore zircon handle descriptor", "tags": ["dawn", "native"]},
            {"value": 1209, "name": "shared fence vk semaphore zircon handle export info", "tags": ["dawn", "native"]},
            {"value": 1210, "name": "shared fence DXGI shared handle descriptor", "tags": ["dawn", "native"]},
            {"value": 1211, "name": "shared fence DXGI shared handle export info", "tags": ["dawn", "native"]},
            {"value": 1212, "name": "shared fence MTL shared event descriptor", "tags": ["dawn", "native"]},
            {"value": 1213, "name": "shared fence MTL shared event export info", "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"
            }
        ]
    },
    "surface get current texture status": {
        "category": "enum",
        "tags": ["upstream"],
        "values": [
            {"value": 0, "name": "success"},
            {"value": 1, "name": "timeout"},
            {"value": 2, "name": "outdated"},
            {"value": 3, "name": "lost"},
            {"value": 4, "name": "out of memory"},
            {"value": 5, "name": "device lost"}
        ]
    },
    "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 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": "size_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 uint"},
            {"value": 26, "name": "RGB10 A2 unorm"},
            {"value": 27, "name": "RG11 B10 ufloat"},
            {"value": 28, "name": "RGB9 E5 ufloat"},

            {"value": 29, "name": "RG32 float"},
            {"value": 30, "name": "RG32 uint"},
            {"value": 31, "name": "RG32 sint"},
            {"value": 32, "name": "RGBA16 uint"},
            {"value": 33, "name": "RGBA16 sint"},
            {"value": 34, "name": "RGBA16 float"},

            {"value": 35, "name": "RGBA32 float"},
            {"value": 36, "name": "RGBA32 uint"},
            {"value": 37, "name": "RGBA32 sint"},

            {"value": 38, "name": "stencil8"},
            {"value": 39, "name": "depth16 unorm"},
            {"value": 40, "name": "depth24 plus"},
            {"value": 41, "name": "depth24 plus stencil8"},
            {"value": 42, "name": "depth32 float"},
            {"value": 43, "name": "depth32 float stencil8"},

            {"value": 44, "name": "BC1 RGBA unorm",         "jsrepr": "'bc1-rgba-unorm'"},
            {"value": 45, "name": "BC1 RGBA unorm srgb",    "jsrepr": "'bc1-rgba-unorm-srgb'"},
            {"value": 46, "name": "BC2 RGBA unorm",         "jsrepr": "'bc2-rgba-unorm'"},
            {"value": 47, "name": "BC2 RGBA unorm srgb",    "jsrepr": "'bc2-rgba-unorm-srgb'"},
            {"value": 48, "name": "BC3 RGBA unorm",         "jsrepr": "'bc3-rgba-unorm'"},
            {"value": 49, "name": "BC3 RGBA unorm srgb",    "jsrepr": "'bc3-rgba-unorm-srgb'"},
            {"value": 50, "name": "BC4 R unorm",            "jsrepr": "'bc4-r-unorm'"},
            {"value": 51, "name": "BC4 R snorm",            "jsrepr": "'bc4-r-snorm'"},
            {"value": 52, "name": "BC5 RG unorm",           "jsrepr": "'bc5-rg-unorm'"},
            {"value": 53, "name": "BC5 RG snorm",           "jsrepr": "'bc5-rg-snorm'"},
            {"value": 54, "name": "BC6H RGB ufloat",        "jsrepr": "'bc6h-rgb-ufloat'"},
            {"value": 55, "name": "BC6H RGB float",         "jsrepr": "'bc6h-rgb-float'"},
            {"value": 56, "name": "BC7 RGBA unorm",         "jsrepr": "'bc7-rgba-unorm'"},
            {"value": 57, "name": "BC7 RGBA unorm srgb",    "jsrepr": "'bc7-rgba-unorm-srgb'"},

            {"value": 58, "name": "ETC2 RGB8 unorm",        "jsrepr": "'etc2-rgb8unorm'"},
            {"value": 59, "name": "ETC2 RGB8 unorm srgb",   "jsrepr": "'etc2-rgb8unorm-srgb'"},
            {"value": 60, "name": "ETC2 RGB8A1 unorm",      "jsrepr": "'etc2-rgb8a1unorm'"},
            {"value": 61, "name": "ETC2 RGB8A1 unorm srgb", "jsrepr": "'etc2-rgb8a1unorm-srgb'"},
            {"value": 62, "name": "ETC2 RGBA8 unorm",       "jsrepr": "'etc2-rgba8unorm'"},
            {"value": 63, "name": "ETC2 RGBA8 unorm srgb",  "jsrepr": "'etc2-rgba8unorm-srgb'"},
            {"value": 64, "name": "EAC R11 unorm",          "jsrepr": "'eac-r11unorm'"},
            {"value": 65, "name": "EAC R11 snorm",          "jsrepr": "'eac-r11snorm'"},
            {"value": 66, "name": "EAC RG11 unorm",         "jsrepr": "'eac-rg11unorm'"},
            {"value": 67, "name": "EAC RG11 snorm",         "jsrepr": "'eac-rg11snorm'"},

            {"value": 68, "name": "ASTC 4x4 unorm",         "jsrepr": "'astc-4x4-unorm'"},
            {"value": 69, "name": "ASTC 4x4 unorm srgb",    "jsrepr": "'astc-4x4-unorm-srgb'"},
            {"value": 70, "name": "ASTC 5x4 unorm",         "jsrepr": "'astc-5x4-unorm'"},
            {"value": 71, "name": "ASTC 5x4 unorm srgb",    "jsrepr": "'astc-5x4-unorm-srgb'"},
            {"value": 72, "name": "ASTC 5x5 unorm",         "jsrepr": "'astc-5x5-unorm'"},
            {"value": 73, "name": "ASTC 5x5 unorm srgb",    "jsrepr": "'astc-5x5-unorm-srgb'"},
            {"value": 74, "name": "ASTC 6x5 unorm",         "jsrepr": "'astc-6x5-unorm'"},
            {"value": 75, "name": "ASTC 6x5 unorm srgb",    "jsrepr": "'astc-6x5-unorm-srgb'"},
            {"value": 76, "name": "ASTC 6x6 unorm",         "jsrepr": "'astc-6x6-unorm'"},
            {"value": 77, "name": "ASTC 6x6 unorm srgb",    "jsrepr": "'astc-6x6-unorm-srgb'"},
            {"value": 78, "name": "ASTC 8x5 unorm",         "jsrepr": "'astc-8x5-unorm'"},
            {"value": 79, "name": "ASTC 8x5 unorm srgb",    "jsrepr": "'astc-8x5-unorm-srgb'"},
            {"value": 80, "name": "ASTC 8x6 unorm",         "jsrepr": "'astc-8x6-unorm'"},
            {"value": 81, "name": "ASTC 8x6 unorm srgb",    "jsrepr": "'astc-8x6-unorm-srgb'"},
            {"value": 82, "name": "ASTC 8x8 unorm",         "jsrepr": "'astc-8x8-unorm'"},
            {"value": 83, "name": "ASTC 8x8 unorm srgb",    "jsrepr": "'astc-8x8-unorm-srgb'"},
            {"value": 84, "name": "ASTC 10x5 unorm",        "jsrepr": "'astc-10x5-unorm'"},
            {"value": 85, "name": "ASTC 10x5 unorm srgb",   "jsrepr": "'astc-10x5-unorm-srgb'"},
            {"value": 86, "name": "ASTC 10x6 unorm",        "jsrepr": "'astc-10x6-unorm'"},
            {"value": 87, "name": "ASTC 10x6 unorm srgb",   "jsrepr": "'astc-10x6-unorm-srgb'"},
            {"value": 88, "name": "ASTC 10x8 unorm",        "jsrepr": "'astc-10x8-unorm'"},
            {"value": 89, "name": "ASTC 10x8 unorm srgb",   "jsrepr": "'astc-10x8-unorm-srgb'"},
            {"value": 90, "name": "ASTC 10x10 unorm",       "jsrepr": "'astc-10x10-unorm'"},
            {"value": 91, "name": "ASTC 10x10 unorm srgb",  "jsrepr": "'astc-10x10-unorm-srgb'"},
            {"value": 92, "name": "ASTC 12x10 unorm",       "jsrepr": "'astc-12x10-unorm'"},
            {"value": 93, "name": "ASTC 12x10 unorm srgb",  "jsrepr": "'astc-12x10-unorm-srgb'"},
            {"value": 94, "name": "ASTC 12x12 unorm",       "jsrepr": "'astc-12x12-unorm'"},
            {"value": 95, "name": "ASTC 12x12 unorm srgb",  "jsrepr": "'astc-12x12-unorm-srgb'"},

            {"value": 96, "name": "R16 unorm", "tags": ["dawn"]},
            {"value": 97, "name": "RG16 unorm", "tags": ["dawn"]},
            {"value": 98, "name": "RGBA16 unorm", "tags": ["dawn"]},
            {"value": 99, "name": "R16 snorm", "tags": ["dawn"]},
            {"value": 100, "name": "RG16 snorm", "tags": ["dawn"]},
            {"value": 101, "name": "RGBA16 snorm", "tags": ["dawn"]},

            {"value": 102, "name": "R8 BG8 Biplanar 420 unorm", "tags": ["dawn"]},
            {"value": 103, "name": "R10X6 BG10X6 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": "transient attachment", "tags": ["dawn"]},
            {"value": 64, "name": "storage attachment", "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"
    },
    "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"
    },
    "int": {
        "category": "native"
    },
    "int32_t": {
        "category": "native"
    },
    "size_t": {
        "category": "native",
        "wire transparent": false
    },
    "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"}
        ]
    },
    "dawn buffer descriptor error info from wire client": {
        "category": "structure",
        "chained": "in",
        "chain roots": ["buffer descriptor"],
        "tags": ["dawn"],
        "members": [
            {"name": "out of memory", "type": "bool", "default": "false"}
        ]
    }
}