190 lines
7.6 KiB
C++
190 lines
7.6 KiB
C++
/* Copyright (c) 2015-2016 The Khronos Group Inc.
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* Copyright (c) 2015-2016 Valve Corporation
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* Copyright (c) 2015-2016 LunarG, Inc.
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* Copyright (c) 2015-2016 Google, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Author: Tobin Ehlis <tobin@lunarg.com>
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*/
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#include <assert.h>
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#include <unordered_map>
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#include "vk_dispatch_table_helper.h"
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#include "vulkan/vk_layer.h"
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#include "vk_layer_table.h"
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static device_table_map tableMap;
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static instance_table_map tableInstanceMap;
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#define DISPATCH_MAP_DEBUG 0
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// Map lookup must be thread safe
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VkLayerDispatchTable *device_dispatch_table(void *object) {
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dispatch_key key = get_dispatch_key(object);
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device_table_map::const_iterator it = tableMap.find((void *)key);
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assert(it != tableMap.end() && "Not able to find device dispatch entry");
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return it->second;
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}
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VkLayerInstanceDispatchTable *instance_dispatch_table(void *object) {
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dispatch_key key = get_dispatch_key(object);
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instance_table_map::const_iterator it = tableInstanceMap.find((void *)key);
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#if DISPATCH_MAP_DEBUG
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if (it != tableInstanceMap.end()) {
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fprintf(stderr, "instance_dispatch_table: map: 0x%p, object: 0x%p, key: 0x%p, table: 0x%p\n", &tableInstanceMap, object, key,
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it->second);
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} else {
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fprintf(stderr, "instance_dispatch_table: map: 0x%p, object: 0x%p, key: 0x%p, table: UNKNOWN\n", &tableInstanceMap, object, key);
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}
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#endif
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assert(it != tableInstanceMap.end() && "Not able to find instance dispatch entry");
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return it->second;
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}
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void destroy_dispatch_table(device_table_map &map, dispatch_key key) {
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#if DISPATCH_MAP_DEBUG
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device_table_map::const_iterator it = map.find((void *)key);
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if (it != map.end()) {
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fprintf(stderr, "destroy device dispatch_table: map: 0x%p, key: 0x%p, table: 0x%p\n", &map, key, it->second);
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} else {
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fprintf(stderr, "destroy device dispatch table: map: 0x%p, key: 0x%p, table: UNKNOWN\n", &map, key);
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assert(it != map.end());
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}
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#endif
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map.erase(key);
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}
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void destroy_dispatch_table(instance_table_map &map, dispatch_key key) {
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#if DISPATCH_MAP_DEBUG
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instance_table_map::const_iterator it = map.find((void *)key);
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if (it != map.end()) {
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fprintf(stderr, "destroy instance dispatch_table: map: 0x%p, key: 0x%p, table: 0x%p\n", &map, key, it->second);
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} else {
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fprintf(stderr, "destroy instance dispatch table: map: 0x%p, key: 0x%p, table: UNKNOWN\n", &map, key);
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assert(it != map.end());
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}
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#endif
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map.erase(key);
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}
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void destroy_device_dispatch_table(dispatch_key key) { destroy_dispatch_table(tableMap, key); }
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void destroy_instance_dispatch_table(dispatch_key key) { destroy_dispatch_table(tableInstanceMap, key); }
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VkLayerDispatchTable *get_dispatch_table(device_table_map &map, void *object) {
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dispatch_key key = get_dispatch_key(object);
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device_table_map::const_iterator it = map.find((void *)key);
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#if DISPATCH_MAP_DEBUG
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if (it != map.end()) {
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fprintf(stderr, "device_dispatch_table: map: 0x%p, object: 0x%p, key: 0x%p, table: 0x%p\n", &tableInstanceMap, object, key,
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it->second);
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} else {
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fprintf(stderr, "device_dispatch_table: map: 0x%p, object: 0x%p, key: 0x%p, table: UNKNOWN\n", &tableInstanceMap, object, key);
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}
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#endif
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assert(it != map.end() && "Not able to find device dispatch entry");
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return it->second;
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}
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VkLayerInstanceDispatchTable *get_dispatch_table(instance_table_map &map, void *object) {
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dispatch_key key = get_dispatch_key(object);
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instance_table_map::const_iterator it = map.find((void *)key);
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#if DISPATCH_MAP_DEBUG
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if (it != map.end()) {
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fprintf(stderr, "instance_dispatch_table: map: 0x%p, object: 0x%p, key: 0x%p, table: 0x%p\n", &tableInstanceMap, object, key,
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it->second);
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} else {
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fprintf(stderr, "instance_dispatch_table: map: 0x%p, object: 0x%p, key: 0x%p, table: UNKNOWN\n", &tableInstanceMap, object, key);
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}
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#endif
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assert(it != map.end() && "Not able to find instance dispatch entry");
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return it->second;
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}
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VkLayerInstanceCreateInfo *get_chain_info(const VkInstanceCreateInfo *pCreateInfo, VkLayerFunction func) {
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VkLayerInstanceCreateInfo *chain_info = (VkLayerInstanceCreateInfo *)pCreateInfo->pNext;
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while (chain_info && !(chain_info->sType == VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO && chain_info->function == func)) {
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chain_info = (VkLayerInstanceCreateInfo *)chain_info->pNext;
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}
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assert(chain_info != NULL);
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return chain_info;
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}
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VkLayerDeviceCreateInfo *get_chain_info(const VkDeviceCreateInfo *pCreateInfo, VkLayerFunction func) {
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VkLayerDeviceCreateInfo *chain_info = (VkLayerDeviceCreateInfo *)pCreateInfo->pNext;
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while (chain_info && !(chain_info->sType == VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO && chain_info->function == func)) {
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chain_info = (VkLayerDeviceCreateInfo *)chain_info->pNext;
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}
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assert(chain_info != NULL);
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return chain_info;
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}
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/* Various dispatchable objects will use the same underlying dispatch table if they
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* are created from that "parent" object. Thus use pointer to dispatch table
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* as the key to these table maps.
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* Instance -> PhysicalDevice
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* Device -> CommandBuffer or Queue
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* If use the object themselves as key to map then implies Create entrypoints have to be intercepted
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* and a new key inserted into map */
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VkLayerInstanceDispatchTable *initInstanceTable(VkInstance instance, const PFN_vkGetInstanceProcAddr gpa, instance_table_map &map) {
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VkLayerInstanceDispatchTable *pTable;
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dispatch_key key = get_dispatch_key(instance);
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instance_table_map::const_iterator it = map.find((void *)key);
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if (it == map.end()) {
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pTable = new VkLayerInstanceDispatchTable;
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map[(void *)key] = pTable;
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#if DISPATCH_MAP_DEBUG
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fprintf(stderr, "New, Instance: map: 0x%p, key: 0x%p, table: 0x%p\n", &map, key, pTable);
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#endif
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} else {
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#if DISPATCH_MAP_DEBUG
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fprintf(stderr, "Instance: map: 0x%p, key: 0x%p, table: 0x%p\n", &map, key, it->second);
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#endif
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return it->second;
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}
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layer_init_instance_dispatch_table(instance, pTable, gpa);
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return pTable;
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}
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VkLayerInstanceDispatchTable *initInstanceTable(VkInstance instance, const PFN_vkGetInstanceProcAddr gpa) {
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return initInstanceTable(instance, gpa, tableInstanceMap);
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}
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VkLayerDispatchTable *initDeviceTable(VkDevice device, const PFN_vkGetDeviceProcAddr gpa, device_table_map &map) {
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VkLayerDispatchTable *pTable;
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dispatch_key key = get_dispatch_key(device);
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device_table_map::const_iterator it = map.find((void *)key);
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if (it == map.end()) {
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pTable = new VkLayerDispatchTable;
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map[(void *)key] = pTable;
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#if DISPATCH_MAP_DEBUG
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fprintf(stderr, "New, Device: map: 0x%p, key: 0x%p, table: 0x%p\n", &map, key, pTable);
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#endif
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} else {
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#if DISPATCH_MAP_DEBUG
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fprintf(stderr, "Device: map: 0x%p, key: 0x%p, table: 0x%p\n", &map, key, it->second);
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#endif
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return it->second;
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}
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layer_init_device_dispatch_table(device, pTable, gpa);
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return pTable;
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}
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VkLayerDispatchTable *initDeviceTable(VkDevice device, const PFN_vkGetDeviceProcAddr gpa) {
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return initDeviceTable(device, gpa, tableMap);
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}
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