mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
// Copyright (c) 2023 LunarG Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "source/opt/switch_descriptorset_pass.h"
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#include "source/opt/ir_builder.h"
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#include "source/util/string_utils.h"
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namespace spvtools {
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namespace opt {
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Pass::Status SwitchDescriptorSetPass::Process() {
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Status status = Status::SuccessWithoutChange;
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auto* deco_mgr = context()->get_decoration_mgr();
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for (Instruction& var : context()->types_values()) {
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if (var.opcode() != spv::Op::OpVariable) {
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continue;
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}
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auto decos = deco_mgr->GetDecorationsFor(var.result_id(), false);
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for (const auto& deco : decos) {
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spv::Decoration d = spv::Decoration(deco->GetSingleWordInOperand(1u));
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if (d == spv::Decoration::DescriptorSet &&
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deco->GetSingleWordInOperand(2u) == ds_from_) {
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deco->SetInOperand(2u, {ds_to_});
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status = Status::SuccessWithChange;
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break;
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}
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}
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}
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return status;
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}
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} // namespace opt
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} // namespace spvtools
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