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https://gitee.com/openharmony/third_party_spirv-tools
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46 lines
1.6 KiB
C++
Executable File
46 lines
1.6 KiB
C++
Executable File
// Copyright (c) 2022 The Khronos Group Inc.
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// Copyright (c) 2022 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/analyze_live_input_pass.h"
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#include "source/opt/ir_context.h"
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namespace spvtools {
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namespace opt {
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Pass::Status AnalyzeLiveInputPass::Process() {
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// Current functionality assumes shader capability
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if (!context()->get_feature_mgr()->HasCapability(spv::Capability::Shader))
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return Status::SuccessWithoutChange;
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Pass::Status status = DoLiveInputAnalysis();
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return status;
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}
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Pass::Status AnalyzeLiveInputPass::DoLiveInputAnalysis() {
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// Current functionality only supports frag, tesc, tese or geom shaders.
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// Report failure for any other stage.
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auto stage = context()->GetStage();
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if (stage != spv::ExecutionModel::Fragment &&
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stage != spv::ExecutionModel::TessellationControl &&
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stage != spv::ExecutionModel::TessellationEvaluation &&
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stage != spv::ExecutionModel::Geometry)
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return Status::Failure;
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context()->get_liveness_mgr()->GetLiveness(live_locs_, live_builtins_);
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return Status::SuccessWithoutChange;
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}
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} // namespace opt
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} // namespace spvtools
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