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/*
* Vulkan
*
* Copyright (C) 2014 LunarG, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS 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 SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <assert.h>
#include <unordered_map>
#include "vk_dispatch_table_helper.h"
#include "vkLayer.h"
std::unordered_map<void *, VkLayerDispatchTable *> tableMap;
std::unordered_map<void *, VkLayerInstanceDispatchTable *> tableInstanceMap;
/* 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 -> CmdBuffer 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(const VkBaseLayerObject *instancew)
{
VkLayerInstanceDispatchTable *pTable;
assert(instancew);
VkLayerInstanceDispatchTable **ppDisp = (VkLayerInstanceDispatchTable **) instancew->baseObject;
std::unordered_map<void *, VkLayerInstanceDispatchTable *>::const_iterator it = tableInstanceMap.find((void *) *ppDisp);
if (it == tableInstanceMap.end())
{
pTable = new VkLayerInstanceDispatchTable;
tableInstanceMap[(void *) *ppDisp] = pTable;
} else
{
return it->second;
}
layer_init_instance_dispatch_table(pTable, instancew);
return pTable;
}
VkLayerDispatchTable * initDeviceTable(const VkBaseLayerObject *devw)
{
VkLayerDispatchTable *pTable;
assert(devw);
VkLayerDispatchTable **ppDisp = (VkLayerDispatchTable **) (devw->baseObject);
std::unordered_map<void *, VkLayerDispatchTable *>::const_iterator it = tableMap.find((void *) *ppDisp);
if (it == tableMap.end())
{
pTable = new VkLayerDispatchTable;
tableMap[(void *) *ppDisp] = pTable;
} else
{
return it->second;
}
layer_initialize_dispatch_table(pTable, devw);
return pTable;
}
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