| // 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 gfxapi |
| |
| import ( |
| "fmt" |
| "strings" |
| |
| "android.googlesource.com/platform/tools/gpu/binary" |
| "android.googlesource.com/platform/tools/gpu/binary/endian" |
| "android.googlesource.com/platform/tools/gpu/binary/flat" |
| "android.googlesource.com/platform/tools/gpu/database" |
| "android.googlesource.com/platform/tools/gpu/device" |
| "android.googlesource.com/platform/tools/gpu/log" |
| "android.googlesource.com/platform/tools/gpu/memory" |
| ) |
| |
| // State represents the graphics state across all contexts. |
| type State struct { |
| binary.Object |
| |
| // Architecture holds information about the device architecture that was used |
| // to create the capture. |
| Architecture device.Architecture |
| |
| // Memory holds the memory state of the application. |
| Memory map[memory.PoolID]*memory.Pool |
| |
| // NextPoolID hold the identifier of the next Pool to be created. |
| NextPoolID memory.PoolID |
| |
| // APIs holds the per-API context states. |
| APIs map[API]interface{} |
| } |
| |
| func (s State) String() string { |
| mem := make([]string, 0, len(s.Memory)) |
| for i, p := range s.Memory { |
| mem = append(mem, fmt.Sprintf(" %d: %v", i, strings.Replace(p.String(), "\n", "\n ", -1))) |
| } |
| apis := make([]string, 0, len(s.APIs)) |
| for a, s := range s.APIs { |
| apis = append(apis, fmt.Sprintf(" %v: %v", a, s)) |
| } |
| return fmt.Sprintf("State{\n %v\n Memory:\n%v\n APIs:\n%v\n}", |
| s.Architecture, strings.Join(mem, "\n"), strings.Join(apis, "\n")) |
| } |
| func NewState() *State { |
| return &State{ |
| Architecture: device.Architecture{ |
| PointerAlignment: 4, |
| PointerSize: 4, |
| IntegerSize: 4, |
| ByteOrder: endian.Little, |
| }, |
| Memory: map[memory.PoolID]*memory.Pool{ |
| memory.ApplicationPool: &memory.Pool{}, |
| }, |
| NextPoolID: memory.ApplicationPool + 1, |
| } |
| } |
| |
| // MemoryDecoder returns a flat decoder backed by an endian reader that uses |
| // the byte-order of the capture device to decode from the slice s. |
| func (st State) MemoryDecoder(s memory.Slice, d database.Database, l log.Logger) binary.Decoder { |
| br := memory.Reader(s, d, l) |
| er := endian.Reader(br, st.Architecture.ByteOrder) |
| return flat.Decoder(er) |
| } |
| |
| // MemoryEncoder returns a flat encoder backed by an endian reader that uses |
| // the byte-order of the capture device to encode to the pool p, for the range |
| // rng. |
| func (st State) MemoryEncoder(p *memory.Pool, rng memory.Range) binary.Encoder { |
| bw := memory.Writer(p, rng) |
| ew := endian.Writer(bw, st.Architecture.ByteOrder) |
| return flat.Encoder(ew) |
| } |