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transform_profiling_layers.go
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transform_profiling_layers.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"
"github.com/google/gapid/core/log"
"github.com/google/gapid/gapis/api"
"github.com/google/gapid/gapis/api/transform"
)
var _ transform.Transform = &profilingLayers{}
type profilingLayers struct {
allocations *allocationTracker
layerName string
}
func newProfilingLayers(layerName string) *profilingLayers {
return &profilingLayers{
allocations: nil,
layerName: layerName,
}
}
func (profilingLayerTransform *profilingLayers) RequiresAccurateState() bool {
return false
}
func (profilingLayerTransform *profilingLayers) RequiresInnerStateMutation() bool {
return false
}
func (profilingLayerTransform *profilingLayers) SetInnerStateMutationFunction(mutator transform.StateMutator) {
// This transform do not require inner state mutation
}
func (profilingLayerTransform *profilingLayers) BeginTransform(ctx context.Context, inputState *api.GlobalState) error {
profilingLayerTransform.allocations = NewAllocationTracker(inputState)
return nil
}
func (profilingLayerTransform *profilingLayers) EndTransform(ctx context.Context, inputState *api.GlobalState) ([]api.Cmd, error) {
return nil, nil
}
func (profilingLayerTransform *profilingLayers) TransformCommand(ctx context.Context, id transform.CommandID, inputCommands []api.Cmd, inputState *api.GlobalState) ([]api.Cmd, error) {
for i, cmd := range inputCommands {
if createInstanceCommand, ok := cmd.(*VkCreateInstance); ok {
modifiedCmd, err := profilingLayerTransform.addProfilingLayersToCreateInstance(ctx, createInstanceCommand, inputState)
if err != nil {
return nil, err
}
if modifiedCmd != nil {
inputCommands[i] = modifiedCmd
}
}
}
return inputCommands, nil
}
func (profilingLayerTransform *profilingLayers) ClearTransformResources(ctx context.Context) {
profilingLayerTransform.allocations.FreeAllocations()
}
func (profilingLayerTransform *profilingLayers) addProfilingLayersToCreateInstance(ctx context.Context, createInstanceCommand *VkCreateInstance, inputState *api.GlobalState) (api.Cmd, error) {
ctx = log.Enter(ctx, "ProfilingLayers")
createInstanceCommand.Extras().Observations().ApplyReads(inputState.Memory.ApplicationPool())
info, err := createInstanceCommand.PCreateInfo().Read(ctx, createInstanceCommand, inputState, nil)
if err != nil {
return nil, err
}
// Strip all instance layers that were originally present. If the device wants
// a layer in order to support collecting renderstages, then add that layer only.
layers := []Charᶜᵖ{}
renderStagesLayerData := profilingLayerTransform.allocations.AllocDataOrPanic(ctx, profilingLayerTransform.layerName)
if profilingLayerTransform.layerName != "" {
layers = append(layers, NewCharᶜᵖ(renderStagesLayerData.Ptr()))
}
layersData := profilingLayerTransform.allocations.AllocDataOrPanic(ctx, layers)
info.SetEnabledLayerCount(uint32(len(layers)))
info.SetPpEnabledLayerNames(NewCharᶜᵖᶜᵖ(layersData.Ptr()))
infoData := profilingLayerTransform.allocations.AllocDataOrPanic(ctx, info)
cb := CommandBuilder{Thread: createInstanceCommand.Thread()}
newCmd := cb.VkCreateInstance(infoData.Ptr(), createInstanceCommand.PAllocator(), createInstanceCommand.PInstance(), createInstanceCommand.Result())
if profilingLayerTransform.layerName != "" {
newCmd.AddRead(renderStagesLayerData.Data())
}
newCmd.AddRead(infoData.Data()).AddRead(layersData.Data())
// Also add back all the other read/write observations of the original vkCreateInstance
for _, r := range createInstanceCommand.Extras().Observations().Reads {
newCmd.AddRead(r.Range, r.ID)
}
for _, w := range createInstanceCommand.Extras().Observations().Writes {
newCmd.AddWrite(w.Range, w.ID)
}
return newCmd, nil
}