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// 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 (
"fmt"
"android.googlesource.com/platform/tools/gpu/binary"
"android.googlesource.com/platform/tools/gpu/database"
"android.googlesource.com/platform/tools/gpu/log"
)
type resourceData struct {
resId binary.ID
size uint64
}
func (r resourceData) Get(db database.Database, logger log.Logger) ([]byte, error) {
binary := binary.Data{}
if err := db.Load(r.resId, logger, &binary); err != nil {
return nil, err
}
if r.size != uint64(len(binary)) {
return nil, fmt.Errorf("Loaded resource is unexpected size. Expected 0x%x, got 0x%x for resource %v",
r.size, len(binary), r.resId)
}
return []byte(binary), nil
}
func (r resourceData) Slice(rng Range) DataSlicer {
return slice(r, rng)
}
func (r resourceData) Size() uint64 {
return r.size
}
// ResourceData returns a DataSlicer that wraps a resource. resId is the
// identifier of the resource and size is the size in bytes of the resource.
func ResourceData(resId binary.ID, size uint64) DataSlicer {
return resourceData{resId, size}
}