| /* Copyright (c) 2015-2016 The Khronos Group Inc. |
| * Copyright (c) 2015-2016 Valve Corporation |
| * Copyright (c) 2015-2016 LunarG, Inc. |
| * Copyright (C) 2015-2016 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. |
| * |
| * Author: Tobin Ehlis <tobine@google.com> |
| * Author: Mark Lobodzinski <mark@lunarg.com> |
| */ |
| |
| #include "vulkan/vulkan.h" |
| |
| #include "vk_layer_data.h" |
| #include "vk_safe_struct.h" |
| #include "vk_layer_utils.h" |
| #include "device_extensions.h" |
| #include "mutex" |
| |
| #pragma once |
| |
| namespace unique_objects { |
| |
| // All increments must be guarded by global_lock |
| static uint64_t global_unique_id = 1; |
| |
| struct TEMPLATE_STATE { |
| VkDescriptorUpdateTemplateKHR desc_update_template; |
| safe_VkDescriptorUpdateTemplateCreateInfoKHR create_info; |
| |
| TEMPLATE_STATE(VkDescriptorUpdateTemplateKHR update_template, safe_VkDescriptorUpdateTemplateCreateInfoKHR *pCreateInfo) |
| : desc_update_template(update_template), create_info(*pCreateInfo) {} |
| }; |
| |
| struct instance_layer_data { |
| VkInstance instance; |
| |
| debug_report_data *report_data; |
| std::vector<VkDebugReportCallbackEXT> logging_callback; |
| VkLayerInstanceDispatchTable dispatch_table = {}; |
| |
| // The following are for keeping track of the temporary callbacks that can |
| // be used in vkCreateInstance and vkDestroyInstance: |
| uint32_t num_tmp_callbacks; |
| VkDebugReportCallbackCreateInfoEXT *tmp_dbg_create_infos; |
| VkDebugReportCallbackEXT *tmp_callbacks; |
| |
| std::unordered_map<uint64_t, uint64_t> unique_id_mapping; // Map uniqueID to actual object handle |
| |
| InstanceExtensions extensions = {}; |
| }; |
| |
| struct layer_data { |
| instance_layer_data *instance_data; |
| |
| debug_report_data *report_data; |
| VkLayerDispatchTable dispatch_table = {}; |
| |
| std::unordered_map<uint64_t, std::unique_ptr<TEMPLATE_STATE>> desc_template_map; |
| |
| bool wsi_enabled; |
| std::unordered_map<uint64_t, uint64_t> unique_id_mapping; // Map uniqueID to actual object handle |
| VkPhysicalDevice gpu; |
| |
| layer_data() : wsi_enabled(false), gpu(VK_NULL_HANDLE){}; |
| }; |
| |
| static std::unordered_map<void *, instance_layer_data *> instance_layer_data_map; |
| static std::unordered_map<void *, layer_data *> layer_data_map; |
| |
| static std::mutex global_lock; // Protect map accesses and unique_id increments |
| |
| struct GenericHeader { |
| VkStructureType sType; |
| void *pNext; |
| }; |
| |
| template <typename T> |
| bool ContainsExtStruct(const T *target, VkStructureType ext_type) { |
| assert(target != nullptr); |
| |
| const GenericHeader *ext_struct = reinterpret_cast<const GenericHeader *>(target->pNext); |
| |
| while (ext_struct != nullptr) { |
| if (ext_struct->sType == ext_type) { |
| return true; |
| } |
| |
| ext_struct = reinterpret_cast<const GenericHeader *>(ext_struct->pNext); |
| } |
| |
| return false; |
| } |
| |
| |
| /* Unwrap a handle. */ |
| // must hold lock! |
| template<typename HandleType, typename MapType> |
| HandleType Unwrap(MapType *layer_data, HandleType wrappedHandle) { |
| // TODO: don't use operator[] here. |
| return (HandleType)layer_data->unique_id_mapping[reinterpret_cast<uint64_t const &>(wrappedHandle)]; |
| } |
| |
| /* Wrap a newly created handle with a new unique ID, and return the new ID. */ |
| // must hold lock! |
| template<typename HandleType, typename MapType> |
| HandleType WrapNew(MapType *layer_data, HandleType newlyCreatedHandle) { |
| auto unique_id = global_unique_id++; |
| layer_data->unique_id_mapping[unique_id] = reinterpret_cast<uint64_t const &>(newlyCreatedHandle); |
| return (HandleType)unique_id; |
| } |
| |
| } // namespace unique_objects |