dawn_wire.json

{
    "_comment": [
        "Copyright 2019 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."
    ],
    "_todos": [
        "Remove usage of size_t because it is not network transparent"
    ],
    "commands": {
        "buffer map async": [
            { "name": "buffer id", "type": "ObjectId" },
            { "name": "request serial", "type": "uint32_t" },
            { "name": "mode", "type": "map mode" },
            { "name": "offset", "type": "size_t"},
            { "name": "size", "type": "size_t"},
            { "name": "handle create info length", "type": "uint64_t" },
            { "name": "handle create info", "type": "uint8_t", "annotation": "const*", "length": "handle create info length", "skip_serialize": true}
        ],
        "buffer update mapped data": [
            { "name": "buffer id", "type": "ObjectId" },
            { "name": "write flush info length", "type": "uint64_t" },
            { "name": "write flush info", "type": "uint8_t", "annotation": "const*", "length": "write flush info length", "skip_serialize": true}
        ],
        "device create buffer": [
            { "name": "device", "type": "device" },
            { "name": "descriptor", "type": "buffer descriptor", "annotation": "const*" },
            { "name": "result", "type": "ObjectHandle", "handle_type": "buffer" },
            { "name": "handle create info length", "type": "uint64_t" },
            { "name": "handle create info", "type": "uint8_t", "annotation": "const*", "length": "handle create info length", "skip_serialize": true}
        ],
        "device create ready compute pipeline": [
            { "name": "device", "type": "device" },
            { "name": "request serial", "type": "uint64_t" },
            { "name": "pipeline object handle", "type": "ObjectHandle", "handle_type": "compute pipeline"},
            { "name": "descriptor", "type": "compute pipeline descriptor", "annotation": "const*"}
        ],
        "device create ready render pipeline": [
            { "name": "device", "type": "device" },
            { "name": "request serial", "type": "uint64_t" },
            { "name": "pipeline object handle", "type": "ObjectHandle", "handle_type": "render pipeline"},
            { "name": "descriptor", "type": "render pipeline descriptor", "annotation": "const*"}
        ],
        "device pop error scope": [
            { "name": "device", "type": "device" },
            { "name": "request serial", "type": "uint64_t" }
        ],
        "destroy object": [
            { "name": "object type", "type": "ObjectType" },
            { "name": "object id", "type": "ObjectId" }
        ],
        "fence on completion": [
            { "name": "fence id", "type": "ObjectId" },
            { "name": "value", "type": "uint64_t" },
            { "name": "request serial", "type": "uint64_t" }
        ],
        "queue write buffer internal": [
            {"name": "queue id", "type": "ObjectId" },
            {"name": "buffer id", "type": "ObjectId" },
            {"name": "buffer offset", "type": "uint64_t"},
            {"name": "data", "type": "uint8_t", "annotation": "const*", "length": "size"},
            {"name": "size", "type": "size_t"}
        ],
        "queue write texture internal": [
            {"name": "queue id", "type": "ObjectId" },
            {"name": "destination", "type": "texture copy view", "annotation": "const*"},
            {"name": "data", "type": "uint8_t", "annotation": "const*", "length": "data size"},
            {"name": "data size", "type": "size_t"},
            {"name": "data layout", "type": "texture data layout", "annotation": "const*"},
            {"name": "writeSize", "type": "extent 3D", "annotation": "const*"}
        ]
    },
    "return commands": {
        "buffer map async callback": [
            { "name": "buffer", "type": "ObjectHandle", "handle_type": "buffer" },
            { "name": "request serial", "type": "uint32_t" },
            { "name": "status", "type": "uint32_t" },
            { "name": "read initial data info length", "type": "uint64_t" },
            { "name": "read initial data info", "type": "uint8_t", "annotation": "const*", "length": "read initial data info length", "skip_serialize": true }
        ],
        "device create ready compute pipeline callback": [
            { "name": "request serial", "type": "uint64_t" },
            { "name": "status", "type": "create ready pipeline status" },
            { "name": "message", "type": "char", "annotation": "const*", "length": "strlen" }
        ],
        "device create ready render pipeline callback": [
            { "name": "request serial", "type": "uint64_t" },
            { "name": "status", "type": "create ready pipeline status" },
            { "name": "message", "type": "char", "annotation": "const*", "length": "strlen" }
        ],
        "device uncaptured error callback": [
            { "name": "type", "type": "error type"},
            { "name": "message", "type": "char", "annotation": "const*", "length": "strlen" }
        ],
        "device lost callback" : [
            { "name": "message", "type": "char", "annotation": "const*", "length": "strlen" }
        ],
        "device pop error scope callback": [
            { "name": "request serial", "type": "uint64_t" },
            { "name": "type", "type": "error type" },
            { "name": "message", "type": "char", "annotation": "const*", "length": "strlen" }
        ],
        "fence on completion callback": [
            { "name": "fence", "type": "ObjectHandle", "handle_type": "fence" },
            { "name": "request serial", "type": "uint64_t" },
            { "name": "status", "type": "fence completion status" }
        ],
        "fence update completed value": [
            { "name": "fence", "type": "ObjectHandle", "handle_type": "fence" },
            { "name": "value", "type": "uint64_t" }
        ]
    },
    "special items": {
        "client_side_structures": [
            "SurfaceDescriptorFromMetalLayer",
            "SurfaceDescriptorFromWindowsHWND",
            "SurfaceDescriptorFromXlib"
        ],
        "client_side_commands": [
            "BufferMapAsync",
            "BufferGetConstMappedRange",
            "BufferGetMappedRange",
            "DeviceCreateBuffer",
            "DeviceCreateReadyComputePipeline",
            "DeviceCreateReadyRenderPipeline",
            "DevicePopErrorScope",
            "DeviceSetDeviceLostCallback",
            "DeviceSetUncapturedErrorCallback",
            "FenceGetCompletedValue",
            "FenceOnCompletion",
            "QueueWriteBuffer",
            "QueueWriteTexture"
        ],
        "client_handwritten_commands": [
            "BufferDestroy",
            "BufferUnmap",
            "DeviceCreateErrorBuffer",
            "DeviceGetDefaultQueue",
            "DeviceInjectError",
            "DevicePushErrorScope",
            "QueueCreateFence"
        ],
        "client_special_objects": [
            "Buffer",
            "Device",
            "Fence",
            "Queue"
        ],
        "server_custom_pre_handler_commands": [
            "BufferDestroy",
            "BufferUnmap"
        ],
        "server_handwritten_commands": [
            "QueueSignal"
        ],
        "server_reverse_lookup_objects": [
            "Fence"
        ]
    }
}