{ "_comment": [ "Copyright 2017 The Dawn Authors", "", "Licensed under the Apache License, Version 2.0 (the \"License\");", "you may not use this file except in compliance with the License.", "You may obtain a copy of the License at", "", " http://www.apache.org/licenses/LICENSE-2.0", "", "Unless required by applicable law or agreed to in writing, software", "distributed under the License is distributed on an \"AS IS\" BASIS,", "WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.", "See the License for the specific language governing permissions and", "limitations under the License." ], "_doc": "See docs/dawn/codegen.md", "_metadata": { "api": "WebGPU", "c_prefix": "WGPU", "namespace": "wgpu", "proc_table_prefix": "Dawn", "native_namespace": "dawn native", "copyright_year": "2019" }, "create instance": { "category": "function", "returns": "instance", "args": [ {"name": "descriptor", "type": "instance descriptor", "annotation": "const*", "optional": true} ] }, 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"char", "annotation": "const*", "length": "strlen", "optional": true}, {"name": "userdata", "type": "void", "annotation": "*"} ] }, "adapter": { "category": "object", "methods": [ { "name": "get limits", "returns": "bool", "args": [ {"name": "limits", "type": "supported limits", "annotation": "*"} ] }, { "name": "get properties", "args": [ {"name": "properties", "type": "adapter properties", "annotation": "*"} ] }, { "name": "has feature", "returns": "bool", "args": [ {"name": "feature", "type": "feature name"} ] }, { "tags": ["dawn"], "name": "enumerate features", "returns": "size_t", "args": [ {"name": "features", "type": "feature name", "annotation": "*"} ] }, { "name": "request device", "args": [ {"name": "descriptor", "type": "device descriptor", "annotation": "const*"}, {"name": "callback", "type": "request device callback"}, {"name": "userdata", "type": "void", "annotation": "*"} ] }, { "name": "create device", "tags": ["dawn"], "returns": "device", "args": [ {"name": "descriptor", "type": "device descriptor", "annotation": "const*", "optional": "true"} ] } ] }, "adapter properties": { "category": "structure", "extensible": "out", "members": [ {"name": "vendor ID", "type": "uint32_t"}, {"name": "device ID", "type": "uint32_t"}, {"name": "name", "type": "char", "annotation": "const*", "length": "strlen"}, {"name": "driver description", "type": "char", "annotation": "const*", "length": "strlen"}, {"name": "adapter type", "type": "adapter type"}, {"name": "backend type", "type": "backend type"} ] }, "adapter type": { "category": "enum", "emscripten_no_enum_table": true, "values": [ {"value": 0, "name": "discrete GPU"}, {"value": 1, "name": "integrated GPU"}, {"value": 2, "name": "CPU"}, {"value": 3, "name": "unknown"} ] }, "device descriptor": { "category": "structure", "extensible": "in", "members": [ {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}, {"name": "required features count", "type": "uint32_t", 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"default": "false"} ] }, "buffer map callback": { "category": "function pointer", "args": [ {"name": "status", "type": "buffer map async status"}, {"name": "userdata", "type": "void", "annotation": "*"} ] }, "buffer map async status": { "category": "enum", "emscripten_no_enum_table": true, "values": [ {"value": 0, "name": "success"}, {"value": 1, "name": "error"}, {"value": 2, "name": "unknown"}, {"value": 3, "name": "device lost"}, {"value": 4, "name": "destroyed before callback"}, {"value": 5, "name": "unmapped before callback"} ] }, "buffer usage": { "category": "bitmask", "values": [ {"value": 0, "name": "none"}, {"value": 1, "name": "map read"}, {"value": 2, "name": "map write"}, {"value": 4, "name": "copy src"}, {"value": 8, "name": "copy dst"}, {"value": 16, "name": "index"}, {"value": 32, "name": "vertex"}, {"value": 64, "name": "uniform"}, {"value": 128, "name": "storage"}, {"value": 256, "name": "indirect"}, {"value": 512, "name": "query resolve"} ] }, "char": { "category": 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