text: // Copyright (c) 2016 Google 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_SPIRV_TARGET_ENV_H_
  #define SOURCE_SPIRV_TARGET_ENV_H_
  
  #include <string>
  
  #include "spirv-tools/libspirv.h"
  
  // Returns true if |env| is a VULKAN environment, false otherwise.
  bool spvIsVulkanEnv(spv_target_env env);
  
  // Returns true if |env| is an OPENCL environment, false otherwise.
  bool spvIsOpenCLEnv(spv_target_env env);
  
  // Returns true if |env| is an OPENGL environment, false otherwise.
  bool spvIsOpenGLEnv(spv_target_env env);
  
  // Returns the version number for the given SPIR-V target environment.
  uint32_t spvVersionForTargetEnv(spv_target_env env);
  
  // Returns a string to use in logging messages that indicates the class of
  // environment, i.e. "Vulkan", "OpenCL", etc.
  std::string spvLogStringForEnv(spv_target_env env);
  
  // Returns a formatted list of all SPIR-V target environment names that
  // can be parsed by spvParseTargetEnv.
  // |pad| is the number of space characters that the begining of each line
  //       except the first one will be padded with.
  // |wrap| is the max length of lines the user desires. Word-wrapping will
  //        occur to satisfy this limit.
  std::string spvTargetEnvList(const int pad, const int wrap);
  
  #endif  // SOURCE_SPIRV_TARGET_ENV_H_
  