blob: 1ba3188ec0c05e75f9dade57f218c71fea1851ea [file] [log] [blame]
/*
* 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 <string.h>
#include <stdlib.h>
#include <assert.h>
#include <unordered_map>
#include "loader_platform.h"
#include "vk_dispatch_table_helper.h"
#include "vkLayer.h"
// The following is #included again to catch certain OS-specific functions
// being used:
#include "loader_platform.h"
static std::unordered_map<void *, VkLayerDispatchTable *> tableMap;
static 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 */
static VkLayerInstanceDispatchTable * initLayerInstanceTable(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;
}
static VkLayerDispatchTable * initLayerTable(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;
}
VK_LAYER_EXPORT VkResult VKAPI vkLayerExtension1(VkDevice device)
{
printf("In vkLayerExtension1() call w/ device: %p\n", (void*)device);
printf("vkLayerExtension1 returning SUCCESS\n");
return VK_SUCCESS;
}
#define BASIC_LAYER_EXT_ARRAY_SIZE 2
static const VkExtensionProperties basicExts[BASIC_LAYER_EXT_ARRAY_SIZE] = {
{
VK_STRUCTURE_TYPE_EXTENSION_PROPERTIES,
"Basic",
0x10,
"Sample layer: Basic ",
// 0,
// NULL,
},
{
VK_STRUCTURE_TYPE_EXTENSION_PROPERTIES,
"vkLayerExtension1",
0x10,
"Sample layer: Basic",
// 0,
// NULL,
}
};
VK_LAYER_EXPORT VkResult VKAPI vkGetGlobalExtensionInfo(
VkExtensionInfoType infoType,
uint32_t extensionIndex,
size_t* pDataSize,
void* pData)
{
/* This entrypoint is NOT going to init it's own dispatch table since loader calls here early */
uint32_t *count;
if (pDataSize == NULL)
return VK_ERROR_INVALID_POINTER;
switch (infoType) {
case VK_EXTENSION_INFO_TYPE_COUNT:
*pDataSize = sizeof(uint32_t);
if (pData == NULL)
return VK_SUCCESS;
count = (uint32_t *) pData;
*count = BASIC_LAYER_EXT_ARRAY_SIZE;
break;
case VK_EXTENSION_INFO_TYPE_PROPERTIES:
*pDataSize = sizeof(VkExtensionProperties);
if (pData == NULL)
return VK_SUCCESS;
if (extensionIndex >= BASIC_LAYER_EXT_ARRAY_SIZE)
return VK_ERROR_INVALID_VALUE;
memcpy((VkExtensionProperties *) pData, &basicExts[extensionIndex], sizeof(VkExtensionProperties));
break;
default:
return VK_ERROR_INVALID_VALUE;
};
return VK_SUCCESS;
}
VK_LAYER_EXPORT VkResult VKAPI vkEnumeratePhysicalDevices(
VkInstance instance,
uint32_t* pPhysicalDeviceCount,
VkPhysicalDevice* pPhysicalDevices)
{
VkLayerInstanceDispatchTable **ppDisp = (VkLayerInstanceDispatchTable **) instance;
VkLayerInstanceDispatchTable *pInstTable = tableInstanceMap[*ppDisp];
printf("At start of wrapped vkEnumeratePhysicalDevices() call w/ inst: %p\n", (void*)instance);
VkResult result = pInstTable->EnumeratePhysicalDevices(instance, pPhysicalDeviceCount, pPhysicalDevices);
printf("Completed wrapped vkEnumeratePhysicalDevices() call w/ count %u\n", *pPhysicalDeviceCount);
return result;
}
VK_LAYER_EXPORT VkResult VKAPI vkCreateDevice(VkPhysicalDevice gpu, const VkDeviceCreateInfo* pCreateInfo, VkDevice* pDevice)
{
VkLayerInstanceDispatchTable **ppDisp = (VkLayerInstanceDispatchTable **) gpu;
VkLayerInstanceDispatchTable* pInstTable = tableInstanceMap[*ppDisp];
printf("At start of wrapped vkCreateDevice() call w/ gpu: %p\n", (void*)gpu);
VkResult result = pInstTable->CreateDevice(gpu, pCreateInfo, pDevice);
printf("Completed wrapped vkCreateDevice() call w/ pDevice, Device %p: %p\n", (void*)pDevice, (void *) *pDevice);
return result;
}
/* hook DestroyDevice to remove tableMap entry */
VK_LAYER_EXPORT VkResult VKAPI vkDestroyDevice(VkDevice device)
{
VkLayerDispatchTable *pDisp = *(VkLayerDispatchTable **) device;
VkLayerDispatchTable *pTable = tableMap[pDisp];
VkResult res = pTable->DestroyDevice(device);
tableMap.erase(pDisp);
return res;
}
/* hook DestroyInstance to remove tableInstanceMap entry */
VK_LAYER_EXPORT VkResult VKAPI vkDestroyInstance(VkInstance instance)
{
VkLayerInstanceDispatchTable *pDisp = *(VkLayerInstanceDispatchTable **) instance;
VkLayerInstanceDispatchTable *pTable = tableInstanceMap[pDisp];
VkResult res = pTable->DestroyInstance(instance);
tableInstanceMap.erase(pDisp);
return res;
}
VK_LAYER_EXPORT VkResult VKAPI vkGetFormatInfo(VkDevice device, VkFormat format, VkFormatInfoType infoType, size_t* pDataSize, void* pData)
{
VkLayerDispatchTable **ppDisp = (VkLayerDispatchTable **) device;
VkLayerDispatchTable* pTable = tableMap[*ppDisp];
printf("At start of wrapped vkGetFormatInfo() call w/ device: %p\n", (void*)device);
VkResult result = pTable->GetFormatInfo(device, format, infoType, pDataSize, pData);
printf("Completed wrapped vkGetFormatInfo() call w/ device: %p\n", (void*)device);
return result;
}
VK_LAYER_EXPORT void * VKAPI vkGetDeviceProcAddr(VkDevice device, const char* pName)
{
if (device == NULL)
return NULL;
/* loader uses this to force layer initialization; device object is wrapped */
if (!strcmp("vkGetDeviceProcAddr", pName)) {
initLayerTable((const VkBaseLayerObject *) device);
return (void *) vkGetDeviceProcAddr;
}
if (!strcmp("vkGetFormatInfo", pName))
return (void *) vkGetFormatInfo;
if (!strcmp("vkDestroyDevice", pName))
return (void *) vkDestroyDevice;
if (!strcmp("vkLayerExtension1", pName))
return (void *) vkLayerExtension1;
else
{
VkLayerDispatchTable **ppDisp = (VkLayerDispatchTable **) device;
VkLayerDispatchTable* pTable = tableMap[*ppDisp];
if (pTable->GetDeviceProcAddr == NULL)
return NULL;
return pTable->GetDeviceProcAddr(device, pName);
}
}
VK_LAYER_EXPORT void * VKAPI vkGetInstanceProcAddr(VkInstance instance, const char* pName)
{
if (instance == NULL)
return NULL;
/* loader uses this to force layer initialization; instance object is wrapped */
if (!strcmp("vkGetInstanceProcAddr", pName)) {
initLayerInstanceTable((const VkBaseLayerObject *) instance);
return (void *) vkGetInstanceProcAddr;
}
if (!strcmp("vkDestroyInstance", pName))
return (void *) vkDestroyInstance;
if (!strcmp("vkEnumeratePhysicalDevices", pName))
return (void*) vkEnumeratePhysicalDevices;
if (!strcmp("vkGetGlobalExtensionInfo", pName))
return (void*) vkGetGlobalExtensionInfo;
if (!strcmp("vkCreateDevice", pName))
return (void *) vkCreateDevice;
else
{
VkLayerInstanceDispatchTable **ppDisp = (VkLayerInstanceDispatchTable **) instance;
VkLayerInstanceDispatchTable* pTable = tableInstanceMap[*ppDisp];
if (pTable->GetInstanceProcAddr == NULL)
return NULL;
return pTable->GetInstanceProcAddr(instance, pName);
}
}