| // Copyright (c) 2021 The Khronos Group Inc. | |
| // Copyright (c) 2021 Valve Corporation | |
| // Copyright (c) 2021 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. | |
| #ifndef SOURCE_OPT_INTERP_FIXUP_H | |
| #define SOURCE_OPT_INTERP_FIXUP_H | |
| #include "source/opt/ir_context.h" | |
| #include "source/opt/module.h" | |
| #include "source/opt/pass.h" | |
| namespace spvtools { | |
| namespace opt { | |
| // Replaces overloaded internal form for GLSLstd450Interpolate* instructions | |
| // with external form. Specifically, removes OpLoad from the first argument | |
| // and replaces it with the pointer for the OpLoad. glslang generates the | |
| // internal form. This pass is called as part of glslang HLSL legalization. | |
| class InterpFixupPass : public Pass { | |
| public: | |
| const char* name() const override { return "interp-fixup"; } | |
| Status Process() override; | |
| IRContext::Analysis GetPreservedAnalyses() override { | |
| return IRContext::kAnalysisInstrToBlockMapping | | |
| IRContext::kAnalysisDecorations | IRContext::kAnalysisCombinators | | |
| IRContext::kAnalysisCFG | IRContext::kAnalysisDominatorAnalysis | | |
| IRContext::kAnalysisLoopAnalysis | IRContext::kAnalysisNameMap | | |
| IRContext::kAnalysisScalarEvolution | | |
| IRContext::kAnalysisRegisterPressure | | |
| IRContext::kAnalysisValueNumberTable | | |
| IRContext::kAnalysisStructuredCFG | | |
| IRContext::kAnalysisBuiltinVarId | | |
| IRContext::kAnalysisIdToFuncMapping | IRContext::kAnalysisTypes | | |
| IRContext::kAnalysisDefUse | IRContext::kAnalysisConstants; | |
| } | |
| }; | |
| } // namespace opt | |
| } // namespace spvtools | |
| #endif // SOURCE_OPT_INTERP_FIXUP_H |