blob: b7a1e76f1e47f48916ae5e136e3d63e9e329e4e0 [file] [log] [blame]
// 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.
package memory
import (
"bytes"
"fmt"
"android.googlesource.com/platform/tools/gpu/binary"
"android.googlesource.com/platform/tools/gpu/binary/endian"
"android.googlesource.com/platform/tools/gpu/database"
"android.googlesource.com/platform/tools/gpu/device"
"android.googlesource.com/platform/tools/gpu/log"
)
type blob struct {
data []byte
id binary.ID
}
func (r blob) Get(db database.Database, logger log.Logger) ([]byte, error) {
return r.data, nil
}
func (r blob) ResourceID(d database.Database, l log.Logger) (binary.ID, error) {
return r.id, nil
}
func (r blob) Slice(rng Range) Slice {
return Blob(r.data[rng.First() : rng.Last()+1])
}
func (r blob) Size() uint64 {
return uint64(len(r.data))
}
func (r blob) String() string {
return fmt.Sprintf("Blob[% x]", r.data)
}
// Blob returns a read-only Slice that wraps data.
func Blob(data []byte) Slice {
return blob{data: data, id: binary.NewID(data)}
}
// Data returns a read-only Slice that contains the encoding of data.
func Data(arch device.Architecture, data ...interface{}) Slice {
buf := &bytes.Buffer{}
w := endian.Writer(buf, arch.ByteOrder)
for _, d := range data {
if err := Write(w, arch, d); err != nil {
panic(err)
}
}
return Blob(buf.Bytes())
}