1 // Copyright (c) 2018 The Khronos Group Inc. 2 // Copyright (c) 2018 Valve Corporation 3 // Copyright (c) 2018 LunarG Inc. 4 // 5 // Licensed under the Apache License, Version 2.0 (the "License"); 6 // you may not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, software 12 // distributed under the License is distributed on an "AS IS" BASIS, 13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 // See the License for the specific language governing permissions and 15 // limitations under the License. 16 17 #include "source/opt/composite.h" 18 19 #include <vector> 20 21 #include "source/opt/ir_context.h" 22 #include "source/opt/iterator.h" 23 #include "spirv/1.2/GLSL.std.450.h" 24 25 namespace spvtools { 26 namespace opt { 27 28 bool ExtInsMatch(const std::vector<uint32_t>& extIndices, 29 const Instruction* insInst, const uint32_t extOffset) { 30 uint32_t numIndices = static_cast<uint32_t>(extIndices.size()) - extOffset; 31 if (numIndices != insInst->NumInOperands() - 2) return false; 32 for (uint32_t i = 0; i < numIndices; ++i) 33 if (extIndices[i + extOffset] != insInst->GetSingleWordInOperand(i + 2)) 34 return false; 35 return true; 36 } 37 38 bool ExtInsConflict(const std::vector<uint32_t>& extIndices, 39 const Instruction* insInst, const uint32_t extOffset) { 40 if (extIndices.size() - extOffset == insInst->NumInOperands() - 2) 41 return false; 42 uint32_t extNumIndices = static_cast<uint32_t>(extIndices.size()) - extOffset; 43 uint32_t insNumIndices = insInst->NumInOperands() - 2; 44 uint32_t numIndices = std::min(extNumIndices, insNumIndices); 45 for (uint32_t i = 0; i < numIndices; ++i) 46 if (extIndices[i + extOffset] != insInst->GetSingleWordInOperand(i + 2)) 47 return false; 48 return true; 49 } 50 51 } // namespace opt 52 } // namespace spvtools 53
