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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 "vk_layer.h"
#include "vk_layer_table.h"
static device_table_map tableMap;
static instance_table_map tableInstanceMap;
#define DISPATCH_MAP_DEBUG 0
// Map lookup must be thread safe
VkLayerDispatchTable *device_dispatch_table(VkObject 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(VkObject object)
{
dispatch_key key = get_dispatch_key(object);
instance_table_map::const_iterator it = tableInstanceMap.find((void *) key);
#if DISPATCH_MAP_DEBUG
if (it != tableInstanceMap.end()) {
fprintf(stderr, "instance_dispatch_table: map: %p, object: %p, key: %p, table: %p\n", &tableInstanceMap, object, key, it->second);
} else {
fprintf(stderr, "instance_dispatch_table: map: %p, object: %p, key: %p, table: UNKNOWN\n", &tableInstanceMap, object, key);
}
#endif
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 DISPATCH_MAP_DEBUG
if (it != map.end()) {
fprintf(stderr, "destroy device dispatch_table: map: %p, key: %p, table: %p\n", &map, key, it->second);
} else {
fprintf(stderr, "destroy device dispatch table: map: %p, key: %p, table: UNKNOWN\n", &map, key);
assert(it != map.end());
}
#endif
map.erase(key);
}
void destroy_dispatch_table(instance_table_map &map, dispatch_key key)
{
instance_table_map::const_iterator it = map.find((void *) key);
#if DISPATCH_MAP_DEBUG
if (it != map.end()) {
fprintf(stderr, "destroy instance dispatch_table: map: %p, key: %p, table: %p\n", &map, key, it->second);
} else {
fprintf(stderr, "destroy instance dispatch table: map: %p, key: %p, table: UNKNOWN\n", &map, key);
assert(it != map.end());
}
#endif
map.erase(key);
}
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, VkObject object)
{
dispatch_key key = get_dispatch_key(object);
device_table_map::const_iterator it = map.find((void *) key);
#if DISPATCH_MAP_DEBUG
if (it != map.end()) {
fprintf(stderr, "instance_dispatch_table: map: %p, object: %p, key: %p, table: %p\n", &tableInstanceMap, object, key, it->second);
} else {
fprintf(stderr, "instance_dispatch_table: map: %p, object: %p, key: %p, table: UNKNOWN\n", &tableInstanceMap, object, key);
}
#endif
assert(it != map.end() && "Not able to find device dispatch entry");
return it->second;
}
VkLayerInstanceDispatchTable *get_dispatch_table(instance_table_map &map, VkObject object)
{
// VkLayerInstanceDispatchTable *pDisp = *(VkLayerInstanceDispatchTable **) object;
dispatch_key key = get_dispatch_key(object);
instance_table_map::const_iterator it = map.find((void *) key);
#if DISPATCH_MAP_DEBUG
if (it != map.end()) {
fprintf(stderr, "instance_dispatch_table: map: %p, object: %p, key: %p, table: %p\n", &tableInstanceMap, object, key, it->second);
} else {
fprintf(stderr, "instance_dispatch_table: map: %p, object: %p, key: %p, table: UNKNOWN\n", &tableInstanceMap, object, key);
}
#endif
assert(it != map.end() && "Not able to find instance dispatch entry");
return it->second;
}
/* 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(instance_table_map &map, const VkBaseLayerObject *instancew)
{
VkLayerInstanceDispatchTable *pTable;
assert(instancew);
VkLayerInstanceDispatchTable **ppDisp = (VkLayerInstanceDispatchTable **) instancew->baseObject;
std::unordered_map<void *, VkLayerInstanceDispatchTable *>::const_iterator it = map.find((void *) *ppDisp);
if (it == map.end())
{
pTable = new VkLayerInstanceDispatchTable;
map[(void *) *ppDisp] = pTable;
#if DISPATCH_MAP_DEBUG
fprintf(stderr, "New, Instance: map: %p, base object: %p, key: %p, table: %p\n", &map, instancew, *ppDisp, pTable);
#endif
assert(map.size() <= 1 && "Instance dispatch table map has more than one entry");
} else
{
#if DISPATCH_MAP_DEBUG
fprintf(stderr, "Instance: map: %p, base object: %p, key: %p, table: %p\n", &map, instancew, *ppDisp, it->second);
#endif
return it->second;
}
layer_init_instance_dispatch_table(pTable, instancew);
return pTable;
}
VkLayerInstanceDispatchTable * initInstanceTable(const VkBaseLayerObject *instancew)
{
return initInstanceTable(tableInstanceMap, instancew);
}
VkLayerDispatchTable * initDeviceTable(device_table_map &map, const VkBaseLayerObject *devw)
{
VkLayerDispatchTable *layer_device_table = NULL;
assert(devw);
VkLayerDispatchTable **ppDisp = (VkLayerDispatchTable **) (devw->baseObject);
VkLayerDispatchTable *base_device_table = *ppDisp;
std::unordered_map<void *, VkLayerDispatchTable *>::const_iterator it = map.find((void *) base_device_table);
if (it == map.end())
{
layer_device_table = new VkLayerDispatchTable;
map[(void *) base_device_table] = layer_device_table;
#if DISPATCH_MAP_DEBUG
fprintf(stderr, "New, Device: map: %p, base object: %p, key: %p, table: %p\n", &map, devw, *ppDisp, layer_device_table);
#endif
} else
{
#if DISPATCH_MAP_DEBUG
fprintf(stderr, "Device: map: %p, base object: %p, key: %p, table: %p\n", &map, devw, *ppDisp, it->second);
#endif
return it->second;
}
layer_initialize_dispatch_table(layer_device_table, devw);
return layer_device_table;
}
VkLayerDispatchTable * initDeviceTable(const VkBaseLayerObject *devw)
{
return initDeviceTable(tableMap, devw);
}
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