-/* 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 <tobin@lunarg.com>
- */
-#include <assert.h>
-#include <unordered_map>
-#include <vulkan/vk_dispatch_table_helper.h>
-#include <vulkan/vk_layer.h>
-#include "vk_layer_table.h"
-static device_table_map tableMap;
-static instance_table_map tableInstanceMap;
-
-// Map lookup must be thread safe
-VkLayerDispatchTable *device_dispatch_table(void *object) {
- dispatch_key key = get_dispatch_key(object);
- device_table_map::const_iterator it = tableMap.find((void *)key);
- assert(it != tableMap.end() && "Not able to find device dispatch entry");
- return it->second;
-}
-
-VkLayerInstanceDispatchTable *instance_dispatch_table(void *object) {
- dispatch_key key = get_dispatch_key(object);
- instance_table_map::const_iterator it = tableInstanceMap.find((void *)key);
- assert(it != tableInstanceMap.end() && "Not able to find instance dispatch entry");
- return it->second;
-}
-
-void destroy_dispatch_table(device_table_map &map, dispatch_key key) {
- device_table_map::const_iterator it = map.find((void *)key);
- if (it != map.end()) {
- delete it->second;
- map.erase(it);
- }
-}
-
-void destroy_dispatch_table(instance_table_map &map, dispatch_key key) {
- instance_table_map::const_iterator it = map.find((void *)key);
- if (it != map.end()) {
- delete it->second;
- map.erase(it);
- }
-}
-
-void destroy_device_dispatch_table(dispatch_key key) { destroy_dispatch_table(tableMap, key); }
-
-void destroy_instance_dispatch_table(dispatch_key key) { destroy_dispatch_table(tableInstanceMap, key); }
-
-VkLayerDispatchTable *get_dispatch_table(device_table_map &map, void *object) {
- dispatch_key key = get_dispatch_key(object);
- device_table_map::const_iterator it = map.find((void *)key);
- assert(it != map.end() && "Not able to find device dispatch entry");
- return it->second;
-}
-
-VkLayerInstanceDispatchTable *get_dispatch_table(instance_table_map &map, void *object) {
- dispatch_key key = get_dispatch_key(object);
- instance_table_map::const_iterator it = map.find((void *)key);
- assert(it != map.end() && "Not able to find instance dispatch entry");
- return it->second;
-}
-
-VkLayerInstanceCreateInfo *get_chain_info(const VkInstanceCreateInfo *pCreateInfo, VkLayerFunction func) {
- VkLayerInstanceCreateInfo *chain_info = (VkLayerInstanceCreateInfo *)pCreateInfo->pNext;
- while (chain_info && !(chain_info->sType == VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO && chain_info->function == func)) {
- chain_info = (VkLayerInstanceCreateInfo *)chain_info->pNext;
- }
- assert(chain_info != NULL);
- return chain_info;
-}
-
-VkLayerDeviceCreateInfo *get_chain_info(const VkDeviceCreateInfo *pCreateInfo, VkLayerFunction func) {
- VkLayerDeviceCreateInfo *chain_info = (VkLayerDeviceCreateInfo *)pCreateInfo->pNext;
- while (chain_info && !(chain_info->sType == VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO && chain_info->function == func)) {
- chain_info = (VkLayerDeviceCreateInfo *)chain_info->pNext;
- }
- assert(chain_info != NULL);
- return chain_info;
-}
-
-/* Various dispatchable objects will use the same underlying dispatch table if they
- * are created from that "parent" object. Thus use pointer to dispatch table
- * as the key to these table maps.
- * Instance -> PhysicalDevice
- * Device -> CommandBuffer or Queue
- * If use the object themselves as key to map then implies Create entrypoints have to be intercepted
- * and a new key inserted into map */
-VkLayerInstanceDispatchTable *initInstanceTable(VkInstance instance, const PFN_vkGetInstanceProcAddr gpa, instance_table_map &map) {
- VkLayerInstanceDispatchTable *pTable;
- dispatch_key key = get_dispatch_key(instance);
- instance_table_map::const_iterator it = map.find((void *)key);
-
- if (it == map.end()) {
- pTable = new VkLayerInstanceDispatchTable;
- map[(void *)key] = pTable;
- } else {
- return it->second;
- }
-
- layer_init_instance_dispatch_table(instance, pTable, gpa);
-
- // Setup func pointers that are required but not externally exposed. These won't be added to the instance dispatch table by
- // default.
- pTable->GetPhysicalDeviceProcAddr = (PFN_GetPhysicalDeviceProcAddr)gpa(instance, "vk_layerGetPhysicalDeviceProcAddr");
-
- return pTable;
-}
-
-VkLayerInstanceDispatchTable *initInstanceTable(VkInstance instance, const PFN_vkGetInstanceProcAddr gpa) {
- return initInstanceTable(instance, gpa, tableInstanceMap);
-}
-
-VkLayerDispatchTable *initDeviceTable(VkDevice device, const PFN_vkGetDeviceProcAddr gpa, device_table_map &map) {
- VkLayerDispatchTable *pTable;
- dispatch_key key = get_dispatch_key(device);
- device_table_map::const_iterator it = map.find((void *)key);
-
- if (it == map.end()) {
- pTable = new VkLayerDispatchTable;
- map[(void *)key] = pTable;
- } else {
- return it->second;
- }
-
- layer_init_device_dispatch_table(device, pTable, gpa);
-
- return pTable;
-}
-
-VkLayerDispatchTable *initDeviceTable(VkDevice device, const PFN_vkGetDeviceProcAddr gpa) {
- return initDeviceTable(device, gpa, tableMap);
-}