| // 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 builder |
| |
| import ( |
| "bytes" |
| "fmt" |
| |
| "android.googlesource.com/platform/tools/gpu/atom" |
| "android.googlesource.com/platform/tools/gpu/binary" |
| "android.googlesource.com/platform/tools/gpu/binary/cyclic" |
| "android.googlesource.com/platform/tools/gpu/binary/vle" |
| "android.googlesource.com/platform/tools/gpu/database" |
| "android.googlesource.com/platform/tools/gpu/database/store" |
| "android.googlesource.com/platform/tools/gpu/gfxapi" |
| "android.googlesource.com/platform/tools/gpu/log" |
| "android.googlesource.com/platform/tools/gpu/service" |
| ) |
| |
| // build writes to out the Binary resource resulting from the given GetState request. |
| func (request *GetState) build(d database.Database, l log.Logger, out binary.Object) error { |
| capture, err := loadCapture(request.Capture, d, l) |
| if err != nil { |
| return err |
| } |
| |
| atoms, err := loadAtoms(capture.Atoms, d, l) |
| if err != nil { |
| return err |
| } |
| |
| if request.After >= atom.ID(len(atoms)) { |
| return fmt.Errorf("After (%d) parameter is out of bounds. [0-%d]", request.After, len(atoms)) |
| } |
| |
| s := gfxapi.NewState() |
| for _, a := range atoms[:request.After] { |
| if err := a.Mutate(s, d, l); err != nil { |
| return err |
| } |
| } |
| |
| buf := &bytes.Buffer{} |
| if err := cyclic.Encoder(vle.Writer(buf)).Value(s); err != nil { |
| return err |
| } |
| |
| store.CopyResource(out, &service.Binary{Data: buf.Bytes()}) |
| return nil |
| } |