1 // 2 // Copyright 2021 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 // libvulkan_loader.cpp: 7 // Helper functions for the loading Vulkan libraries. 8 // 9 10 #include "common/vulkan/libvulkan_loader.h" 11 12 #include "common/system_utils.h" 13 14 namespace angle 15 { 16 namespace vk 17 { OpenLibVulkan()18void *OpenLibVulkan() 19 { 20 constexpr const char *kLibVulkanNames[] = { 21 #if defined(ANGLE_PLATFORM_WINDOWS) 22 "vulkan-1.dll", 23 #elif defined(ANGLE_PLATFORM_APPLE) 24 "libvulkan.dylib", 25 "libvulkan.1.dylib", 26 "libMoltenVK.dylib" 27 #else 28 "libvulkan.so", 29 "libvulkan.so.1", 30 #endif 31 }; 32 33 constexpr SearchType kSearchTypes[] = { 34 // On Android, Fuchsia and GGP we use the system libvulkan. 35 #if defined(ANGLE_USE_CUSTOM_LIBVULKAN) 36 SearchType::ModuleDir, 37 #else 38 SearchType::SystemDir, 39 #endif // defined(ANGLE_USE_CUSTOM_LIBVULKAN) 40 }; 41 42 for (angle::SearchType searchType : kSearchTypes) 43 { 44 for (const char *libraryName : kLibVulkanNames) 45 { 46 void *library = OpenSystemLibraryWithExtension(libraryName, searchType); 47 if (library) 48 { 49 return library; 50 } 51 } 52 } 53 54 return nullptr; 55 } 56 } // namespace vk 57 } // namespace angle 58