atom/transform/trace_log.go

// 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 transform

import (
	"android.googlesource.com/platform/tools/gpu/atom"
	"android.googlesource.com/platform/tools/gpu/log"
)

// Trace is an implementation of Transformer that records each atom id and atom
// value that passes through Trace to Logger. Atoms passing through Trace are
// written to the output Writer unaltered.
type Trace struct {
	Logger log.Logger
}

func (t Trace) Transform(id atom.ID, a atom.Atom, out atom.Writer) {
	t.Logger.Infof("%v %#v", id, a, a)
	out.Write(id, a)
}

func (t Trace) Flush(out atom.Writer) {}