{ "_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/codegen.md", "adapter properties": { "category": "structure", "extensible": true, "members": [ {"name": "device ID", "type": "uint32_t"}, {"name": "vendor ID", "type": "uint32_t"}, {"name": "name", "type": "char", "annotation": "const*"}, {"name": "driver description", "type": "char", "annotation": "const*"}, {"name": "adapter type", "type": "adapter type"}, {"name": "backend type", "type": "backend type"} ] }, "adapter type": { "category": "enum", "javascript": false, "values": [ {"value": 0, "name": "discrete GPU"}, {"value": 1, "name": "integrated GPU"}, {"value": 2, "name": "CPU"}, {"value": 3, "name": "unknown"} ] }, "address mode": { "category": "enum", "values": [ {"value": 0, "name": "repeat"}, {"value": 1, "name": "mirror repeat"}, {"value": 2, "name": "clamp to edge"} ] }, "backend type": { "category": "enum", "javascript": false, "values": [ {"value": 0, "name": "null"}, {"value": 1, "name": "D3D11"}, {"value": 2, "name": "D3D12"}, {"value": 3, "name": "metal"}, {"value": 4, "name": "vulkan"}, {"value": 5, "name": "openGL"}, {"value": 6, "name": "openGLES"} ] }, "bind group": { "category": "object" }, "bind group entry": { "category": "structure", "extensible": true, "members": [ {"name": "binding", "type": "uint32_t"}, {"name": "buffer", "type": "buffer", "optional": true}, {"name": "offset", "type": "uint64_t", "default": "0"}, {"name": "size", "type": "uint64_t"}, {"name": "sampler", "type": "sampler", "optional": true}, {"name": "texture view", "type": "texture view", "optional": true} ] }, "bind group descriptor": { "category": "structure", "extensible": true, "members": [ {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}, {"name": "layout", "type": "bind group layout"}, {"name": "entry count", "type": "uint32_t"}, {"name": "entries", "type": "bind group entry", "annotation": "const*", "length": "entry count"} ] }, "bind group layout": { "category": "object" }, "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", "jsrepr": "readonly-storage"} ] }, "buffer binding layout": { "category": "structure", "extensible": true, "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": true, "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": true, "members": [ {"name": "sample type", "type": "texture sample type", "default": "undefined"}, {"name": "view dimension", "type": "texture view dimension", "default": "undefined"}, {"name": "multisampled", "type": "bool", "default": "false"} ] }, "external texture binding entry": { "category": "structure", "chained": true, "members": [ {"name": "external texture", "type": "external texture"} ] }, "external texture binding layout": { "category": "structure", "chained": true, "members": [] }, "storage texture access": { "category": "enum", "values": [ {"value": 0, "name": "undefined", "jsrepr": "undefined", "valid": false}, {"value": 1, "name": "read only", "jsrepr": "readonly"}, {"value": 2, "name": "write only", "jsrepr": "writeonly"} ] }, "storage texture binding layout": { "category": "structure", "extensible": true, "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": true, "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": true, "members": [ {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}, {"name": "entry count", "type": "uint32_t"}, {"name": "entries", "type": "bind group layout entry", "annotation": "const*", "length": "entry count"} ] }, "blend component": { "category": "structure", "extensible": false, "members": [ {"name": "operation", "type": "blend operation", "default": "add"}, {"name": "src factor", "type": "blend factor", "default": "one"}, {"name": "dst factor", "type": "blend factor", "default": "zero"} ] }, "blend factor": { "category": "enum", "values": [ {"value": 0, "name": "zero"}, {"value": 1, "name": "one"}, {"value": 2, "name": "src"}, {"value": 3, "name": "one minus src"}, {"value": 4, "name": "src alpha"}, {"value": 5, "name": "one minus src alpha"}, {"value": 6, "name": "dst"}, {"value": 7, "name": "one minus dst"}, {"value": 8, "name": "dst alpha"}, {"value": 9, "name": "one minus dst alpha"}, {"value": 10, "name": "src alpha saturated"}, {"value": 11, "name": "constant"}, {"value": 12, "name": "one minus constant"} ] }, "blend operation": { "category": "enum", "values": [ {"value": 0, "name": "add"}, {"value": 1, "name": "subtract"}, {"value": 2, "name": "reverse subtract"}, {"value": 3, "name": "min"}, {"value": 4, "name": "max"} ] }, "bool": { "category": "native" }, "buffer": { "category": "object", "methods": [ { "name": "map async", "args": [ {"name": "mode", "type": "map mode"}, {"name": "offset", "type": "size_t"}, {"name": "size", "type": "size_t"}, {"name": "callback", "type": "buffer map callback"}, {"name": "userdata", "type": "void", "annotation": "*"} ] }, { "name": "get mapped range", "returns": "void *", "args": [ {"name": "offset", "type": "size_t", "default": 0}, {"name": "size", "type": "size_t", "default": 0} ] }, { "name": "get const mapped range", "returns": "void const *", "args": [ {"name": "offset", "type": "size_t", "default": 0}, {"name": "size", "type": "size_t", "default": 0} ] }, { "name": "set label", "returns": "void", "args": [ {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"} ] }, { "name": "unmap" }, { "name": "destroy" } ] }, "buffer descriptor": { "category": "structure", "extensible": true, "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": "callback", "args": [ {"name": "status", "type": "buffer map async status"}, {"name": "userdata", "type": "void", "annotation": "*"} ] }, "buffer map async status": { "category": "enum", "values": [ {"value": 0, "name": "success"}, {"value": 1, "name": "error"}, {"value": 2, "name": "unknown"}, {"value": 3, "name": "device lost"}, {"value": 4, "name": "destroyed before callback"}, {"value": 5, "name": "unmapped before callback"} ] }, "buffer usage": { "category": "bitmask", "values": [ {"value": 0, "name": "none"}, {"value": 1, "name": "map read"}, {"value": 2, "name": "map write"}, {"value": 4, "name": "copy src"}, {"value": 8, "name": "copy dst"}, {"value": 16, "name": "index"}, {"value": 32, "name": "vertex"}, {"value": 64, "name": "uniform"}, {"value": 128, "name": "storage"}, {"value": 256, "name": "indirect"}, {"value": 512, "name": "query resolve"} ] }, "char": { "category": "native" }, "color": { "category": "structure", "members": [ {"name": "r", "type": "double"}, {"name": "g", "type": "double"}, {"name": "b", "type": "double"}, {"name": "a", "type": "double"} ] }, "color write mask": { "category": "bitmask", "values": [ {"value": 0, "name": "none"}, {"value": 1, "name": "red"}, {"value": 2, "name": "green"}, {"value": 4, "name": "blue"}, {"value": 8, "name": "alpha"}, {"value": 15, "name": "all"} ] }, "command buffer": { "category": "object" }, "command buffer descriptor": { "category": "structure", "extensible": true, "members": [ {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true} ] }, "command encoder": { "category": "object", "methods": [ { "name": "finish", "returns": "command buffer", "args": [ {"name": "descriptor", "type": "command buffer descriptor", "annotation": "const*", "optional": true} ] }, { "name": "begin compute pass", "returns": "compute pass encoder", "args": [ {"name": "descriptor", "type": "compute pass descriptor", "annotation": "const*", "optional": true} ] }, { "name": "begin render pass", "returns": "render pass encoder", "args": [ {"name": "descriptor", "type": "render pass descriptor", "annotation": "const*"} ] }, { "name": "copy buffer to buffer", "args": [ {"name": "source", "type": "buffer"}, {"name": "source offset", "type": "uint64_t"}, {"name": "destination", "type": "buffer"}, {"name": "destination offset", "type": "uint64_t"}, {"name": "size", "type": "uint64_t"} ] }, { "name": "copy buffer to texture", "args": [ {"name": "source", "type": "image copy buffer", "annotation": "const*"}, {"name": "destination", "type": "image copy texture", "annotation": "const*"}, {"name": "copy size", "type": "extent 3D", "annotation": "const*"} ] }, { "name": "copy texture to buffer", "args": [ {"name": "source", "type": "image copy texture", "annotation": "const*"}, {"name": "destination", "type": "image copy buffer", "annotation": "const*"}, {"name": "copy size", "type": "extent 3D", "annotation": "const*"} ] }, { "name": "copy texture to texture", "args": [ {"name": "source", "type": "image copy texture", "annotation": "const*"}, {"name": "destination", "type": "image copy texture", "annotation": "const*"}, {"name": "copy size", "type": "extent 3D", "annotation": "const*"} ] }, { "name": "copy texture to texture internal", "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": "inject validation error", "args": [ {"name": "message", "type": "char", "annotation": "const*", "length": "strlen"} ], "TODO": "enga@: Make this a Dawn extension" }, { "name": "insert debug marker", "args": [ {"name": "marker label", "type": "char", "annotation": "const*", "length": "strlen"} ] }, { "name": "pop debug group", "args": [] }, { "name": "push debug group", "args": [ {"name": "group label", "type": "char", "annotation": "const*", "length": "strlen"} ] }, { "name": "resolve query set", "args": [ {"name": "query set", "type": "query set"}, {"name": "first query", "type": "uint32_t"}, {"name": "query count", "type": "uint32_t"}, {"name": "destination", "type": "buffer"}, {"name": "destination offset", "type": "uint64_t"} ] }, { "name": "write timestamp", "args": [ {"name": "query set", "type": "query set"}, {"name": "query index", "type": "uint32_t"} ] } ] }, "command encoder descriptor": { "category": "structure", "extensible": true, "members": [ {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true} ] }, "compare function": { "category": "enum", "values": [ {"value": 0, "name": "undefined", "jsrepr": "undefined", "valid": false}, {"value": 1, "name": "never"}, {"value": 2, "name": "less"}, {"value": 3, "name": "less equal"}, {"value": 4, "name": "greater"}, {"value": 5, "name": "greater equal"}, {"value": 6, "name": "equal"}, {"value": 7, "name": "not equal"}, {"value": 8, "name": "always"} ] }, "compilation info": { "category": "structure", "extensible": false, "members": [ {"name": "message count", "type": "uint32_t"}, {"name": "messages", "type": "compilation message", "annotation": "const*", "length": "message count"} ] }, "compilation info callback": { "category": "callback", "args": [ {"name": "status", "type": "compilation info request status"}, {"name": "compilation info", "type": "compilation info", "annotation": "const*"}, {"name": "userdata", "type": "void", "annotation": "*"} ] }, "compilation info request status": { "category": "enum", "values": [ {"value": 0, "name": "success"}, {"value": 1, "name": "error"}, {"value": 2, "name": "device lost"}, {"value": 3, "name": "unknown"} ] }, "compilation message": { "category": "structure", "extensible": false, "members": [ {"name": "message", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}, {"name": "type", "type": "compilation message type"}, {"name": "line num", "type": "uint64_t"}, {"name": "line pos", "type": "uint64_t"}, {"name": "offset", "type": "uint64_t"}, {"name": "length", "type": "uint64_t"} ] }, "compilation message type": { "category": "enum", "values": [ {"value": 0, "name": "error"}, {"value": 1, "name": "warning"}, {"value": 2, "name": "info"} ] }, "compute pass descriptor": { "category": "structure", "extensible": true, "members": [ {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true} ] }, "compute pass encoder": { "category": "object", "methods": [ { "name": "insert debug marker", "args": [ {"name": "marker label", "type": "char", "annotation": "const*", "length": "strlen"} ] }, { "name": "pop debug group", "args": [] }, { "name": "push debug group", "args": [ {"name": "group label", "type": "char", "annotation": "const*", "length": "strlen"} ] }, { "name": "set pipeline", "args": [ {"name": "pipeline", "type": "compute pipeline"} ] }, { "name": "set bind group", "args": [ {"name": "group index", "type": "uint32_t"}, {"name": "group", "type": "bind group"}, {"name": "dynamic offset count", "type": "uint32_t", "default": "0"}, {"name": "dynamic offsets", "type": "uint32_t", "annotation": "const*", "length": "dynamic offset count", "default": "nullptr"} ] }, { "name": "write timestamp", "args": [ {"name": "query set", "type": "query set"}, {"name": "query index", "type": "uint32_t"} ] }, { "name": "dispatch", "args": [ {"name": "x", "type": "uint32_t"}, {"name": "y", "type": "uint32_t", "default": "1"}, {"name": "z", "type": "uint32_t", "default": "1"} ] }, { "name": "dispatch indirect", "args": [ {"name": "indirect buffer", "type": "buffer"}, {"name": "indirect offset", "type": "uint64_t"} ] }, { "name": "end pass" } ] }, "compute pipeline": { "category": "object", "methods": [ { "name": "get bind group layout", "returns": "bind group layout", "args": [ {"name": "group index", "type": "uint32_t"} ] }, { "name": "set label", "returns": "void", "args": [ {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"} ] } ] }, "compute pipeline descriptor": { "category": "structure", "extensible": true, "members": [ {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}, {"name": "layout", "type": "pipeline layout", "optional": true}, {"name": "compute", "type": "programmable stage descriptor"} ] }, "alpha op": { "category": "enum", "values": [ {"value": 0, "name": "dont change"}, {"value": 1, "name": "premultiply"}, {"value": 2, "name": "unpremultiply"} ] }, "copy texture for browser options": { "category": "structure", "extensible": true, "members": [ {"name": "flipY", "type": "bool", "default": "false"}, {"name": "alphaOp", "type": "alpha op", "default": "dont change"} ] }, "create compute pipeline async callback": { "category": "callback", "args": [ {"name": "status", "type": "create pipeline async status"}, {"name": "pipeline", "type": "compute pipeline"}, {"name": "message", "type": "char", "annotation": "const*", "length": "strlen"}, {"name": "userdata", "type": "void", "annotation": "*"} ] }, "create pipeline async status": { "category": "enum", "values": [ {"value": 0, "name": "success"}, {"value": 1, "name": "error"}, {"value": 2, "name": "device lost"}, {"value": 3, "name": "device destroyed"}, {"value": 4, "name": "unknown"} ] }, "create render pipeline async callback": { "category": "callback", "args": [ {"name": "status", "type": "create pipeline async status"}, {"name": "pipeline", "type": "render pipeline"}, {"name": "message", "type": "char", "annotation": "const*", "length": "strlen"}, {"name": "userdata", "type": "void", "annotation": "*"} ] }, "cull mode": { "category": "enum", "values": [ {"value": 0, "name": "none"}, {"value": 1, "name": "front"}, {"value": 2, "name": "back"} ] }, "device": { "category": "object", "methods": [ { "name": "create bind group", "returns": "bind group", "args": [ {"name": "descriptor", "type": "bind group descriptor", "annotation": "const*"} ] }, { "name": "create bind group layout", "returns": "bind group layout", "args": [ {"name": "descriptor", "type": "bind group layout descriptor", "annotation": "const*"} ] }, { "name": "create buffer", "returns": "buffer", "args": [ {"name": "descriptor", "type": "buffer descriptor", "annotation": "const*"} ] }, { "name": "create error buffer", "returns": "buffer", "TODO": "enga@: Make this part of a dawn_wire extension" }, { "name": "create command encoder", "returns": "command encoder", "args": [ {"name": "descriptor", "type": "command encoder descriptor", "annotation": "const*", "optional": true} ] }, { "name": "create compute pipeline", "returns": "compute pipeline", "args": [ {"name": "descriptor", "type": "compute pipeline descriptor", "annotation": "const*"} ] }, { "name": "create compute pipeline async", "returns": "void", "args": [ {"name": "descriptor", "type": "compute pipeline descriptor", "annotation": "const*"}, {"name": "callback", "type": "create compute pipeline async callback"}, {"name": "userdata", "type": "void", "annotation": "*"} ] }, { "name": "create pipeline layout", "returns": "pipeline layout", "args": [ {"name": "descriptor", "type": "pipeline layout descriptor", "annotation": "const*"} ] }, { "name": "create query set", "returns": "query set", "args": [ {"name": "descriptor", "type": "query set descriptor", "annotation": "const*"} ] }, { "name": "create render pipeline async", "returns": "void", "args": [ {"name": "descriptor", "type": "render pipeline descriptor", "annotation": "const*"}, {"name": "callback", "type": "create render pipeline async callback"}, {"name": "userdata", "type": "void", "annotation": "*"} ] }, { "name": "create render bundle encoder", "returns": "render bundle encoder", "args": [ {"name": "descriptor", "type": "render bundle encoder descriptor", "annotation": "const*"} ] }, { "name": "create render pipeline", "returns": "render pipeline", "args": [ {"name": "descriptor", "type": "render pipeline descriptor", "annotation": "const*"} ] }, { "name": "create sampler", "returns": "sampler", "args": [ {"name": "descriptor", "type": "sampler descriptor", "annotation": "const*", "optional": true} ] }, { "name": "create shader module", "returns": "shader module", "args": [ {"name": "descriptor", "type": "shader module descriptor", "annotation": "const*"} ] }, { "name": "create swap chain", "returns": "swap chain", "args": [ {"name": "surface", "type": "surface", "optional": true}, {"name": "descriptor", "type": "swap chain descriptor", "annotation": "const*"} ] }, { "name": "create texture", "returns": "texture", "args": [ {"name": "descriptor", "type": "texture descriptor", "annotation": "const*"} ] }, { "name": "get queue", "returns": "queue" }, { "name": "create external texture", "returns": "external texture", "args": [ {"name": "external texture descriptor", "type": "external texture descriptor", "annotation": "const*"} ] }, { "name": "inject error", "args": [ {"name": "type", "type": "error type"}, {"name": "message", "type": "char", "annotation": "const*", "length": "strlen"} ], "TODO": "enga@: Make this a Dawn extension" }, { "name": "lose for testing" }, { "name": "tick" }, { "name": "set uncaptured error callback", "args": [ {"name": "callback", "type": "error callback"}, {"name": "userdata", "type": "void", "annotation": "*"} ] }, { "name": "set logging callback", "args": [ {"name": "callback", "type": "logging callback"}, {"name": "userdata", "type": "void", "annotation": "*"} ] }, { "name": "set device lost callback", "args": [ {"name": "callback", "type": "device lost callback"}, {"name": "userdata", "type": "void", "annotation": "*"} ] }, { "name": "push error scope", "args": [ {"name": "filter", "type": "error filter"} ] }, { "name": "pop error scope", "returns": "bool", "args": [ {"name": "callback", "type": "error callback"}, {"name": "userdata", "type": "void", "annotation": "*"} ] } ] }, "device lost callback": { "category": "callback", "args": [ {"name": "message", "type": "char", "annotation": "const*"}, {"name": "userdata", "type": "void", "annotation": "*"} ] }, "device properties": { "category": "structure", "extensible": false, "members": [ {"name": "texture compression BC", "type": "bool", "default": "false"}, {"name": "texture compression ETC2", "type": "bool", "default": "false"}, {"name": "texture compression ASTC", "type": "bool", "default": "false"}, {"name": "shader float16", "type": "bool", "default": "false"}, {"name": "pipeline statistics query", "type": "bool", "default": "false"}, {"name": "timestamp query", "type": "bool", "default": "false"}, {"name": "multi planar formats", "type": "bool", "default": "false"}, {"name": "depth clamping", "type": "bool", "default": "false"}, {"name": "invalid extension", "type": "bool", "default": "false"}, {"name": "dawn internal usages", "type": "bool", "default": "false"}, {"name": "limits", "type": "limits"} ] }, "double": { "category": "native" }, "error callback": { "category": "callback", "args": [ {"name": "type", "type": "error type"}, {"name": "message", "type": "char", "annotation": "const*"}, {"name": "userdata", "type": "void", "annotation": "*"} ] }, "limits": { "category": "structure", "extensible": true, "members": [ {"name": "max texture dimension 1D", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"}, {"name": "max texture dimension 2D", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"}, {"name": "max texture dimension 3D", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"}, {"name": "max texture array layers", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"}, {"name": "max bind groups", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"}, {"name": "max dynamic uniform buffers per pipeline layout", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"}, {"name": "max dynamic storage 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