{{/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * 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.
 */}}

{{Global "module" ""}}
{{Include "go_common.tmpl"}}
{{$ | Macro "schema.go" | GoFmt | Write "schema.go"}}

{{define "schema.go"}}
  {{Global "api" $}}
  {{template "Go.GeneratedHeader" (Global "OutputDir")}}

  import (
    "android.googlesource.com/platform/tools/gpu/atom"
    "android.googlesource.com/platform/tools/gpu/gfxapi/schema"
    "android.googlesource.com/platform/tools/gpu/service"
  )

  func init() {
    s := schemaBuilder{
      staticArrays: make(map[int]*service.StaticArrayInfo),
      maps:         make(map[int]*service.MapInfo),
      enums:        make(map[int]*service.EnumInfo),
      structs:      make(map[int]*service.StructInfo),
      classes:      make(map[int]*service.ClassInfo),
    }
    _ = s

    {{range $i, $c := AllCommands $}}
      schema.RegisterAtom({{Macro "Command" "Command" $c "Index" $i}})
    {{end}}
    schema.RegisterAPI(api{}, service.StructInfo{
      Name:   "state",
      Kind:   service.TypeKindStruct,
      Fields: service.FieldInfoPtrArray{
        {{Macro "Globals" $}}
      },
    })
  }

  type schemaBuilder struct {
    staticArrays map[int]*service.StaticArrayInfo
    maps         map[int]*service.MapInfo
    enums        map[int]*service.EnumInfo
    structs      map[int]*service.StructInfo
    classes      map[int]*service.ClassInfo
  }
  {{Macro "GetInfo" "Type" "StaticArray" "Map" "staticArrays" "List" $.StaticArrays}}
  {{Macro "GetInfo" "Type" "Map"         "Map" "maps"         "List" $.Maps        }}
  {{Macro "GetInfo" "Type" "Enum"        "Map" "enums"        "List" $.Enums       }}
  {{Macro "GetInfo" "Type" "Class"       "Map" "classes"      "List" $.Classes     }}

{{end}}


{{/*
-------------------------------------------------------------------------------
  Emits the logic for retrieving information for the specified items list.
-------------------------------------------------------------------------------
*/}}
{{define "GetInfo"}}
  {{AssertType $.Type "string"}}

  func (s schemaBuilder) get{{$.Type}}Info(id int) *service.{{$.Type}}Info {
    e, f := s.{{$.Map}}[id]
    if f {
      return e
    }
    switch id {
      {{range $id, $e := $.List}}
        case {{$id}}:
          e = {{Macro $.Type $e}}
      {{end}}
    }
    s.{{$.Map}}[id] = e
    return e
  }
{{end}}


{{/*
-------------------------------------------------------------------------------
  Emits information for the specified array.
-------------------------------------------------------------------------------
*/}}
{{define "Array"}}
  {{AssertType $ "Array"}}

  service.CreateArrayInfo("{{$.Name}}", service.TypeKindArray, {{Macro "TypeInfo" $.ValueType}})
{{end}}


{{/*
-------------------------------------------------------------------------------
  Emits information for the specified static array.
-------------------------------------------------------------------------------
*/}}
{{define "StaticArray"}}
  {{AssertType $ "StaticArray"}}

  service.CreateStaticArrayInfo("{{$.Name}}", service.TypeKindStaticArray, {{Macro "TypeInfo" $.ValueType}}, {{$.Size}})
{{end}}


{{/*
-------------------------------------------------------------------------------
  Emits information for the specified map.
-------------------------------------------------------------------------------
*/}}
{{define "Map"}}
  {{AssertType $ "Map"}}

  service.CreateMapInfo("{{$.Name}}", service.TypeKindMap, {{Macro "TypeInfo" $.KeyType}}, {{Macro "TypeInfo" $.ValueType}})
{{end}}


{{/*
-------------------------------------------------------------------------------
  Emits information for the specified enum.
-------------------------------------------------------------------------------
*/}}
{{define "Enum"}}
  {{AssertType $ "Enum"}}

  {{$api := Global "api"}}
  service.CreateEnumInfo(
    "{{$.Name}}",
    service.TypeKindEnum,
    []service.EnumEntry{
      {{range $v := $.Entries}}
        service.EnumEntry{
          Name:  "{{$v.Name}}",
          Value: {{$v.Value}},
        },
      {{end}}
    },
    service.EnumInfoPtrArray {
      {{range $v := $.Extends}}
        s.getEnumInfo({{IndexOf $api.Enums $v}}),
      {{end}}
    },
  )
{{end}}


{{/*
-------------------------------------------------------------------------------
  Emits information for the specified class.
-------------------------------------------------------------------------------
*/}}
{{define "Class"}}
  {{AssertType $ "Class"}}

  {{$api := Global "api"}}
  service.CreateClassInfo(
    "{{$.Name}}",
    service.TypeKindClass,
    service.FieldInfoPtrArray{
      {{Macro "Fields" $}}
    },
    service.ClassInfoPtrArray {
      {{range $v := $.Extends}}
        s.getClassInfo({{IndexOf $api.Classes $v}}),
      {{end}}
    },
  )
{{end}}


{{/*
-------------------------------------------------------------------------------
  Emits information for all global variables of the specified API.
-------------------------------------------------------------------------------
*/}}
{{define "Globals"}}
  {{AssertType $ "API"}}

  {{range $g := $.Globals}}
    &service.FieldInfo{
      Name: "{{$g.Name}}",
      Type: {{Macro "TypeInfo" (TypeOf $g)}},
    },
  {{end}}
{{end}}


{{/*
-------------------------------------------------------------------------------
  Emits information for all fields of the specified class.
-------------------------------------------------------------------------------
*/}}
{{define "Fields"}}
  {{AssertType $ "Class"}}

  {{range $f := $.Fields}}
    &service.FieldInfo{
      Name: "{{$f.Name}}",
      Type: {{Macro "TypeInfo" (TypeOf $f)}},
    },
  {{end}}
{{end}}


{{/*
-------------------------------------------------------------------------------
  Emits information for the specified command.
-------------------------------------------------------------------------------
*/}}
{{define "Command"}}
  {{AssertType $.Command "Function"}}

  service.AtomInfo{
    Api:        service.ApiId{ID: binary.ID(apiID)},
    Type:       {{$.Index}},
    Name:       "{{Macro "CmdName" $.Command}}",
    Parameters: []service.ParameterInfo{
      {{range $p := $.Command.FullParameters}}
        service.ParameterInfo{
          Name: "{{$p.Name}}",
          Type: {{Macro "TypeInfo" (TypeOf $p)}},
          Out:  {{if $p.Output}}true{{else}}false{{end}},
        },
      {{end}}
    },
    IsCommand:        true,
    IsDrawCall:       {{if GetAnnotation $.Command "DrawCall"}}true{{else}}false{{end}},
    IsEndOfFrame:     {{if GetAnnotation $.Command "EndOfFrame"}}true{{else}}false{{end}},
    DocumentationUrl: "{{$.Command.Docs}}",
  }
{{end}}


{{/*
-------------------------------------------------------------------------------
  Emits information for manually declared atoms.
-------------------------------------------------------------------------------
*/}}
{{define "FixedAtoms"}}
  service.AtomInfo{
    Type: uint16(atom.TypeIDEos),
    Name: "EndOfStream",
  },
{{end}}


{{/*
-------------------------------------------------------------------------------
  Emits logic to get the information for the given item.
-------------------------------------------------------------------------------
*/}}
{{define "TypeInfo"}}§
  {{$api := Global "api"}}
  {{     if IsPseudonym     $}}{{Macro "TypeInfo" $.To}}
  {{else if IsSlice         $}}schema.Int /* TODO: Slice */
  {{else if IsStaticArray   $}}s.getStaticArrayInfo({{IndexOf $api.StaticArrays $}})
  {{else if IsMap           $}}s.getMapInfo({{IndexOf $api.Maps $}})
  {{else if IsEnum          $}}s.getEnumInfo({{IndexOf $api.Enums $}})
  {{else if IsClass         $}}s.getClassInfo({{IndexOf $api.Classes $}})
  {{else if IsPointer       $}}schema.Pointer
  {{else if IsReference     $}}schema.Int /* TODO: Reference */
  {{else if IsBool          $}}schema.Bool
  {{else if IsInt           $}}schema.Int
  {{else if IsUint          $}}schema.Uint
  {{else if IsS8            $}}schema.S8
  {{else if IsU8            $}}schema.U8
  {{else if IsS16           $}}schema.S16
  {{else if IsU16           $}}schema.U16
  {{else if IsS32           $}}schema.S32
  {{else if IsU32           $}}schema.U32
  {{else if IsF32           $}}schema.Float
  {{else if IsS64           $}}schema.S64
  {{else if IsU64           $}}schema.U64
  {{else if IsF64           $}}schema.Double
  {{else if IsString        $}}schema.String
  {{else if IsAny           $}}schema.Any
  {{else}}{{Error "macro TypeInfo called with unsupported type: %v" $.Name}}
  {{end}}
{{end}}