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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 <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 *, VK_LAYER_DISPATCH_TABLE *> tableMap;
static VK_LAYER_DISPATCH_TABLE * initLayerTable(const VK_BASE_LAYER_OBJECT *gpuw)
{
VK_LAYER_DISPATCH_TABLE *pTable;
assert(gpuw);
std::unordered_map<void *, VK_LAYER_DISPATCH_TABLE *>::const_iterator it = tableMap.find((void *) gpuw);
if (it == tableMap.end())
{
pTable = new VK_LAYER_DISPATCH_TABLE;
tableMap[(void *) gpuw] = pTable;
} else
{
return it->second;
}
layer_initialize_dispatch_table(pTable, gpuw->pGPA, (VK_PHYSICAL_GPU) gpuw->nextObject);
return pTable;
}
VK_LAYER_EXPORT VK_RESULT VKAPI vkLayerExtension1(VK_DEVICE device)
{
printf("In vkLayerExtension1() call w/ device: %p\n", (void*)device);
printf("vkLayerExtension1 returning SUCCESS\n");
return VK_SUCCESS;
}
VK_LAYER_EXPORT VK_RESULT VKAPI vkGetExtensionSupport(VK_PHYSICAL_GPU gpu, const char* pExtName)
{
VK_RESULT result;
VK_BASE_LAYER_OBJECT* gpuw = (VK_BASE_LAYER_OBJECT *) gpu;
/* This entrypoint is NOT going to init it's own dispatch table since loader calls here early */
if (!strncmp(pExtName, "vkLayerExtension1", strlen("vkLayerExtension1")))
{
result = VK_SUCCESS;
} else if (!strncmp(pExtName, "Basic", strlen("Basic")))
{
result = VK_SUCCESS;
} else if (!tableMap.empty() && (tableMap.find(gpuw) != tableMap.end()))
{
printf("At start of wrapped vkGetExtensionSupport() call w/ gpu: %p\n", (void*)gpu);
VK_LAYER_DISPATCH_TABLE* pTable = tableMap[gpuw];
result = pTable->GetExtensionSupport((VK_PHYSICAL_GPU)gpuw->nextObject, pExtName);
printf("Completed wrapped vkGetExtensionSupport() call w/ gpu: %p\n", (void*)gpu);
} else
{
result = VK_ERROR_INVALID_EXTENSION;
}
return result;
}
VK_LAYER_EXPORT VK_RESULT VKAPI vkCreateDevice(VK_PHYSICAL_GPU gpu, const VK_DEVICE_CREATE_INFO* pCreateInfo, VK_DEVICE* pDevice)
{
VK_BASE_LAYER_OBJECT* gpuw = (VK_BASE_LAYER_OBJECT *) gpu;
VK_LAYER_DISPATCH_TABLE* pTable = tableMap[gpuw];
printf("At start of wrapped vkCreateDevice() call w/ gpu: %p\n", (void*)gpu);
VK_RESULT result = pTable->CreateDevice((VK_PHYSICAL_GPU)gpuw->nextObject, pCreateInfo, pDevice);
// create a mapping for the device object into the dispatch table
tableMap.emplace(*pDevice, pTable);
printf("Completed wrapped vkCreateDevice() call w/ pDevice, Device %p: %p\n", (void*)pDevice, (void *) *pDevice);
return result;
}
VK_LAYER_EXPORT VK_RESULT VKAPI vkGetFormatInfo(VK_DEVICE device, VK_FORMAT format, VK_FORMAT_INFO_TYPE infoType, size_t* pDataSize, void* pData)
{
VK_LAYER_DISPATCH_TABLE* pTable = tableMap[device];
printf("At start of wrapped vkGetFormatInfo() call w/ device: %p\n", (void*)device);
VK_RESULT result = pTable->GetFormatInfo(device, format, infoType, pDataSize, pData);
printf("Completed wrapped vkGetFormatInfo() call w/ device: %p\n", (void*)device);
return result;
}
VK_LAYER_EXPORT VK_RESULT VKAPI vkEnumerateLayers(VK_PHYSICAL_GPU gpu, size_t maxLayerCount, size_t maxStringSize, size_t* pOutLayerCount, char* const* pOutLayers, void* pReserved)
{
if (gpu != NULL)
{
VK_BASE_LAYER_OBJECT* gpuw = (VK_BASE_LAYER_OBJECT *) gpu;
VK_LAYER_DISPATCH_TABLE* pTable = initLayerTable(gpuw);
printf("At start of wrapped vkEnumerateLayers() call w/ gpu: %p\n", gpu);
VK_RESULT result = pTable->EnumerateLayers((VK_PHYSICAL_GPU)gpuw->nextObject, maxLayerCount, maxStringSize, pOutLayerCount, pOutLayers, pReserved);
return result;
} else
{
if (pOutLayerCount == NULL || pOutLayers == NULL || pOutLayers[0] == NULL || pReserved == NULL)
return VK_ERROR_INVALID_POINTER;
// Example of a layer that is only compatible with Intel's GPUs
VK_BASE_LAYER_OBJECT* gpuw = (VK_BASE_LAYER_OBJECT*) pReserved;
vkGetGpuInfoType fpGetGpuInfo;
VK_PHYSICAL_GPU_PROPERTIES gpuProps;
size_t dataSize = sizeof(VK_PHYSICAL_GPU_PROPERTIES);
fpGetGpuInfo = (vkGetGpuInfoType) gpuw->pGPA((VK_PHYSICAL_GPU) gpuw->nextObject, "vkGetGpuInfo");
fpGetGpuInfo((VK_PHYSICAL_GPU) gpuw->nextObject, VK_INFO_TYPE_PHYSICAL_GPU_PROPERTIES, &dataSize, &gpuProps);
if (gpuProps.vendorId == 0x8086)
{
*pOutLayerCount = 1;
strncpy((char *) pOutLayers[0], "Basic", maxStringSize);
} else
{
*pOutLayerCount = 0;
}
return VK_SUCCESS;
}
}
VK_LAYER_EXPORT void * VKAPI vkGetProcAddr(VK_PHYSICAL_GPU gpu, const char* pName)
{
if (gpu == NULL)
return NULL;
initLayerTable((const VK_BASE_LAYER_OBJECT *) gpu);
if (!strncmp("vkGetProcAddr", pName, sizeof("vkGetProcAddr")))
return (void *) vkGetProcAddr;
else if (!strncmp("vkCreateDevice", pName, sizeof ("vkCreateDevice")))
return (void *) vkCreateDevice;
else if (!strncmp("vkGetExtensionSupport", pName, sizeof ("vkGetExtensionSupport")))
return (void *) vkGetExtensionSupport;
else if (!strncmp("vkEnumerateLayers", pName, sizeof ("vkEnumerateLayers")))
return (void *) vkEnumerateLayers;
else if (!strncmp("vkGetFormatInfo", pName, sizeof ("vkGetFormatInfo")))
return (void *) vkGetFormatInfo;
else if (!strncmp("vkLayerExtension1", pName, sizeof("vkLayerExtension1")))
return (void *) vkLayerExtension1;
else {
VK_BASE_LAYER_OBJECT* gpuw = (VK_BASE_LAYER_OBJECT *) gpu;
if (gpuw->pGPA == NULL)
return NULL;
return gpuw->pGPA((VK_PHYSICAL_GPU) gpuw->nextObject, pName);
}
}
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