1/* 2 * Copyright 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef LIBVULKAN_LAYERS_EXTENSIONS_H 18#define LIBVULKAN_LAYERS_EXTENSIONS_H 1 19 20#include <vulkan/vulkan.h> 21 22namespace vulkan { 23namespace api { 24 25struct Layer; 26 27class LayerRef { 28 public: 29 LayerRef(const Layer* layer); 30 LayerRef(LayerRef&& other); 31 ~LayerRef(); 32 LayerRef(const LayerRef&) = delete; 33 LayerRef& operator=(const LayerRef&) = delete; 34 35 // provides bool-like behavior 36 operator const Layer*() const { return layer_; } 37 38 PFN_vkGetInstanceProcAddr GetGetInstanceProcAddr() const; 39 PFN_vkGetDeviceProcAddr GetGetDeviceProcAddr() const; 40 41 private: 42 const Layer* layer_; 43}; 44 45void DiscoverLayers(); 46 47uint32_t GetLayerCount(); 48const Layer& GetLayer(uint32_t index); 49const Layer* FindLayer(const char* name); 50 51const VkLayerProperties& GetLayerProperties(const Layer& layer); 52bool IsLayerGlobal(const Layer& layer); 53const VkExtensionProperties* GetLayerInstanceExtensions(const Layer& layer, 54 uint32_t& count); 55const VkExtensionProperties* GetLayerDeviceExtensions(const Layer& layer, 56 uint32_t& count); 57 58const VkExtensionProperties* FindLayerInstanceExtension(const Layer& layer, 59 const char* name); 60const VkExtensionProperties* FindLayerDeviceExtension(const Layer& layer, 61 const char* name); 62 63LayerRef GetLayerRef(const Layer& layer); 64 65} // namespace api 66} // namespace vulkan 67 68#endif // LIBVULKAN_LAYERS_EXTENSIONS_H 69