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transform_af_disabler.go
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transform_af_disabler.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"
"github.com/google/gapid/gapis/memory"
)
// afDisablerTransform implements the Transform interface to disable anisotropic
// during every vkCreateSampler call
type afDisablerTransform struct {
allocations *allocationTracker
}
func newAfDisablerTransform() *afDisablerTransform {
return &afDisablerTransform{
allocations: nil,
}
}
func (afDisabler *afDisablerTransform) RequiresAccurateState() bool {
return false
}
func (afDisabler *afDisablerTransform) RequiresInnerStateMutation() bool {
return false
}
func (afDisabler *afDisablerTransform) SetInnerStateMutationFunction(mutator transform.StateMutator) {
// This transform does not require inner state mutation
}
func (afDisabler *afDisablerTransform) BeginTransform(ctx context.Context, inputState *api.GlobalState) error {
afDisabler.allocations = NewAllocationTracker(inputState)
return nil
}
func (afDisabler *afDisablerTransform) ClearTransformResources(ctx context.Context) {
afDisabler.allocations.FreeAllocations()
}
func (afDisabler *afDisablerTransform) TransformCommand(ctx context.Context, id transform.CommandID, inputCommands []api.Cmd, inputState *api.GlobalState) ([]api.Cmd, error) {
for i, cmd := range inputCommands {
if cmd, ok := cmd.(*VkCreateSampler); ok {
var err error
inputCommands[i], err = afDisabler.disableAFInSamplerCreation(ctx, cmd, inputState)
if err != nil {
return nil, err
}
}
}
return inputCommands, nil
}
func (afDisabler *afDisablerTransform) EndTransform(ctx context.Context, inputState *api.GlobalState) ([]api.Cmd, error) {
return nil, nil
}
func (afDisabler *afDisablerTransform) disableAFInSamplerCreation(ctx context.Context, cmd *VkCreateSampler, inputState *api.GlobalState) (api.Cmd, error) {
cmd.Extras().Observations().ApplyReads(inputState.Memory.ApplicationPool())
pAlloc := memory.Pointer(cmd.PAllocator())
pSampler := memory.Pointer(cmd.PSampler())
pInfo := cmd.PCreateInfo()
info, err := pInfo.Read(ctx, cmd, inputState, nil)
if err != nil {
return nil, err
}
info.SetAnisotropyEnable(VkBool32(0))
newInfo := afDisabler.allocations.AllocDataOrPanic(ctx, info)
cb := CommandBuilder{Thread: cmd.Thread()}
newCmd := cb.VkCreateSampler(cmd.Device(), newInfo.Ptr(), pAlloc, pSampler, cmd.Result())
newCmd.AddRead(newInfo.Data())
for _, w := range cmd.Extras().Observations().Writes {
newCmd.AddWrite(w.Range, w.ID)
}
log.I(ctx, "Anisotropic Filtering disabled.")
return newCmd, nil
}