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transform_capture_log.go
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transform_capture_log.go
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// Copyright (C) 2020 Google Inc.
//
// 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 vulkan
import (
"context"
"os"
"github.com/google/gapid/core/log"
"github.com/google/gapid/gapis/api"
"github.com/google/gapid/gapis/api/transform"
"github.com/google/gapid/gapis/capture"
)
var _ transform.Transform = &captureLog{}
type captureLog struct {
file *os.File
header *capture.Header
cmds []api.Cmd
}
func newCaptureLog(ctx context.Context, sourceCapture *capture.GraphicsCapture, path string) *captureLog {
f, err := os.Create(path)
if err != nil {
log.E(ctx, "Failed to create replay capture file %v: %v", path, err)
return nil
}
return &captureLog{
file: f,
header: sourceCapture.Header,
cmds: []api.Cmd{},
}
}
func (logTransform *captureLog) RequiresAccurateState() bool {
return false
}
func (logTransform *captureLog) RequiresInnerStateMutation() bool {
return false
}
func (logTransform *captureLog) SetInnerStateMutationFunction(mutator transform.StateMutator) {
// This transform do not require inner state mutation
}
func (logTransform *captureLog) BeginTransform(ctx context.Context, inputState *api.GlobalState) error {
return nil
}
func (logTransform *captureLog) ClearTransformResources(ctx context.Context) {
// No resource allocated
}
func (logTransform *captureLog) TransformCommand(ctx context.Context, id transform.CommandID, inputCommands []api.Cmd, inputState *api.GlobalState) ([]api.Cmd, error) {
for _, cmd := range inputCommands {
if cmd.API() != nil {
logTransform.cmds = append(logTransform.cmds, cmd)
}
}
return inputCommands, nil
}
func (logTransform *captureLog) EndTransform(ctx context.Context, inputState *api.GlobalState) ([]api.Cmd, error) {
for idx := range logTransform.cmds {
cmd := logTransform.cmds[idx].Clone()
logTransform.cmds[idx] = cmd
}
c, err := capture.NewGraphicsCapture(ctx, "capturelog", logTransform.header, nil, logTransform.cmds)
if err != nil {
log.E(ctx, "Failed to create replay storage capture: %v", err)
return nil, err
}
if err := c.Export(ctx, logTransform.file); err != nil {
log.E(ctx, "Failed to write capture to file %v: %v", logTransform.file, err)
return nil, err
}
logTransform.file.Close()
return nil, nil
}