layers/vk_layer_debug_marker_table.cpp

/* 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 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>
 */

#include <assert.h>
#include <unordered_map>
#include "vulkan/vk_debug_marker_layer.h"
std::unordered_map<void *, VkLayerDebugMarkerDispatchTable *>
    tableDebugMarkerMap;

/* 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 */
VkLayerDebugMarkerDispatchTable *initDebugMarkerTable(VkDevice device) {
    VkLayerDebugMarkerDispatchTable *pDebugMarkerTable;

    assert(device);
    VkLayerDispatchTable *pDisp = *(VkLayerDispatchTable **)device;

    std::unordered_map<void *,
                       VkLayerDebugMarkerDispatchTable *>::const_iterator it =
        tableDebugMarkerMap.find((void *)pDisp);
    if (it == tableDebugMarkerMap.end()) {
        pDebugMarkerTable = new VkLayerDebugMarkerDispatchTable;
        tableDebugMarkerMap[(void *)pDisp] = pDebugMarkerTable;
    } else {
        return it->second;
    }

    pDebugMarkerTable->CmdDbgMarkerBegin =
        (PFN_vkCmdDbgMarkerBegin)pDisp->GetDeviceProcAddr(
            device, "vkCmdDbgMarkerBegin");
    pDebugMarkerTable->CmdDbgMarkerEnd =
        (PFN_vkCmdDbgMarkerEnd)pDisp->GetDeviceProcAddr(device,
                                                        "vkCmdDbgMarkerEnd");
    pDebugMarkerTable->DbgSetObjectTag =
        (PFN_vkDbgSetObjectTag)pDisp->GetDeviceProcAddr(device,
                                                        "vkDbgSetObjectTag");
    pDebugMarkerTable->DbgSetObjectName =
        (PFN_vkDbgSetObjectName)pDisp->GetDeviceProcAddr(device,
                                                         "vkDbgSetObjectName");

    return pDebugMarkerTable;
}