1 // Copyright (c) 2019 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef SOURCE_FUZZ_UNIFORM_BUFFER_ELEMENT_DESCRIPTOR_H_ 16 #define SOURCE_FUZZ_UNIFORM_BUFFER_ELEMENT_DESCRIPTOR_H_ 17 18 #include <vector> 19 20 #include "source/fuzz/protobufs/spirvfuzz_protobufs.h" 21 #include "source/opt/instruction.h" 22 #include "source/opt/ir_context.h" 23 24 namespace spvtools { 25 namespace fuzz { 26 27 // Factory method to create a uniform buffer element descriptor message from 28 // descriptor set and binding ids and a list of indices. 29 protobufs::UniformBufferElementDescriptor MakeUniformBufferElementDescriptor( 30 uint32_t descriptor_set, uint32_t binding, std::vector<uint32_t>&& indices); 31 32 // Equality function for uniform buffer element descriptors. 33 struct UniformBufferElementDescriptorEquals { 34 bool operator()( 35 const protobufs::UniformBufferElementDescriptor* first, 36 const protobufs::UniformBufferElementDescriptor* second) const; 37 }; 38 39 // Returns a pointer to an OpVariable in |context| that is decorated with the 40 // descriptor set and binding associated with |uniform_buffer_element|. Returns 41 // nullptr if no such variable exists. If multiple such variables exist, a 42 // pointer to an arbitrary one of the associated instructions is returned if 43 // |check_unique| is false, and nullptr is returned if |check_unique| is true. 44 opt::Instruction* FindUniformVariable( 45 const protobufs::UniformBufferElementDescriptor& 46 uniform_buffer_element_descriptor, 47 opt::IRContext* context, bool check_unique); 48 49 } // namespace fuzz 50 } // namespace spvtools 51 52 #endif // SOURCE_FUZZ_UNIFORM_BUFFER_ELEMENT_DESCRIPTOR_H_ 53