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// Copyright (c) 2023 LunarG 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.
#include "source/opt/switch_descriptorset_pass.h"
#include "source/opt/ir_builder.h"
#include "source/util/string_utils.h"
namespace spvtools {
namespace opt {
Pass::Status SwitchDescriptorSetPass::Process() {
Status status = Status::SuccessWithoutChange;
auto* deco_mgr = context()->get_decoration_mgr();
for (Instruction& var : context()->types_values()) {
if (var.opcode() != spv::Op::OpVariable) {
continue;
}
auto decos = deco_mgr->GetDecorationsFor(var.result_id(), false);
for (const auto& deco : decos) {
spv::Decoration d = spv::Decoration(deco->GetSingleWordInOperand(1u));
if (d == spv::Decoration::DescriptorSet &&
deco->GetSingleWordInOperand(2u) == ds_from_) {
deco->SetInOperand(2u, {ds_to_});
status = Status::SuccessWithChange;
break;
}
}
}
return status;
}
} // namespace opt
} // namespace spvtools
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