layers/vk_layer_table.h

/* Copyright (c) 2015-2016 The Khronos Group Inc.
 * Copyright (c) 2015-2016 Valve Corporation
 * Copyright (c) 2015-2016 LunarG, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and/or associated documentation files (the "Materials"), to
 * deal in the Materials without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Materials, and to permit persons to whom the Materials
 * are furnished to do so, subject to the following conditions:
 *
 * The above copyright notice(s) and this permission notice shall be included
 * in all copies or substantial portions of the Materials.
 *
 * The Materials are Confidential Information as defined by the Khronos
 * Membership Agreement until designated non-confidential by Khronos, at which
 * point this condition clause shall be removed.
 *
 * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR THE
 * USE OR OTHER DEALINGS IN THE MATERIALS
 *
 * Author: Tobin Ehlis <tobin@lunarg.com>
 */

#pragma once

#include "vulkan/vulkan.h"
#include <unordered_map>

typedef std::unordered_map<void *, VkLayerDispatchTable *> device_table_map;
typedef std::unordered_map<void *, VkLayerInstanceDispatchTable *> instance_table_map;
VkLayerDispatchTable * initDeviceTable(VkDevice device, const PFN_vkGetDeviceProcAddr gpa, device_table_map &map);
VkLayerDispatchTable * initDeviceTable(VkDevice device, const PFN_vkGetDeviceProcAddr gpa);
VkLayerInstanceDispatchTable * initInstanceTable(VkInstance instance, const PFN_vkGetInstanceProcAddr gpa, instance_table_map &map);
VkLayerInstanceDispatchTable * initInstanceTable(VkInstance instance, const PFN_vkGetInstanceProcAddr gpa);


typedef void *dispatch_key;

static inline dispatch_key get_dispatch_key(const void* object)
{
    return (dispatch_key) *(VkLayerDispatchTable **) object;
}

VkLayerDispatchTable *device_dispatch_table(void* object);

VkLayerInstanceDispatchTable *instance_dispatch_table(void* object);

VkLayerDispatchTable *get_dispatch_table(device_table_map &map, void* object);

VkLayerInstanceDispatchTable *get_dispatch_table(instance_table_map &map, void* object);

VkLayerInstanceCreateInfo *get_chain_info(const VkInstanceCreateInfo *pCreateInfo, VkLayerFunction func);
VkLayerDeviceCreateInfo *get_chain_info(const VkDeviceCreateInfo *pCreateInfo, VkLayerFunction func);

void destroy_device_dispatch_table(dispatch_key key);
void destroy_instance_dispatch_table(dispatch_key key);
void destroy_dispatch_table(device_table_map &map, dispatch_key key);
void destroy_dispatch_table(instance_table_map &map, dispatch_key key);