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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 *, VkLayerDispatchTable *> tableMap;
static VkLayerDispatchTable * initLayerTable(const VkBaseLayerObject *gpuw)
{
VkLayerDispatchTable *pTable;
assert(gpuw);
std::unordered_map<void *, VkLayerDispatchTable *>::const_iterator it = tableMap.find((void *) gpuw->baseObject);
if (it == tableMap.end())
{
pTable = new VkLayerDispatchTable;
tableMap[(void *) gpuw->baseObject] = pTable;
} else
{
return it->second;
}
layer_initialize_dispatch_table(pTable, (PFN_vkGetProcAddr) gpuw->pGPA, (VkPhysicalDevice) gpuw->nextObject);
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;
}
struct extProps {
uint32_t version;
const char * const name;
};
#define BASIC_LAYER_EXT_ARRAY_SIZE 2
static const struct extProps basicExts[BASIC_LAYER_EXT_ARRAY_SIZE] = {
// TODO what is the version?
0x10, "Basic",
0x10, "vkLayerExtension1"
};
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 */
VkExtensionProperties *ext_props;
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;
ext_props = (VkExtensionProperties *) pData;
ext_props->version = basicExts[extensionIndex].version;
strncpy(ext_props->extName, basicExts[extensionIndex].name,
VK_MAX_EXTENSION_NAME);
ext_props->extName[VK_MAX_EXTENSION_NAME - 1] = '\0';
break;
default:
return VK_ERROR_INVALID_VALUE;
};
return VK_SUCCESS;
}
VK_LAYER_EXPORT VkResult VKAPI vkCreateDevice(VkPhysicalDevice gpu, const VkDeviceCreateInfo* pCreateInfo, VkDevice* pDevice)
{
VkLayerDispatchTable* pTable = tableMap[gpu];
printf("At start of wrapped vkCreateDevice() call w/ gpu: %p\n", (void*)gpu);
VkResult result = pTable->CreateDevice(gpu, 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 VkResult VKAPI vkGetFormatInfo(VkDevice device, VkFormat format, VkFormatInfoType infoType, size_t* pDataSize, void* pData)
{
VkLayerDispatchTable* pTable = tableMap[device];
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 VkResult VKAPI vkEnumerateLayers(VkPhysicalDevice gpu, size_t maxStringSize, size_t* pLayerCount, char* const* pOutLayers, void* pReserved)
{
if (gpu != NULL)
{
VkLayerDispatchTable* pTable = initLayerTable((const VkBaseLayerObject *) gpu);
printf("At start of wrapped vkEnumerateLayers() call w/ gpu: %p\n", gpu);
VkResult result = pTable->EnumerateLayers(gpu, maxStringSize, pLayerCount, pOutLayers, pReserved);
return result;
} else
{
if (pLayerCount == 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
VkBaseLayerObject* gpuw = (VkBaseLayerObject*) pReserved;
PFN_vkGetPhysicalDeviceInfo fpGetGpuInfo;
VkPhysicalDeviceProperties gpuProps;
size_t dataSize = sizeof(VkPhysicalDeviceProperties);
fpGetGpuInfo = (PFN_vkGetPhysicalDeviceInfo) gpuw->pGPA((VkPhysicalDevice) gpuw->nextObject, "vkGetPhysicalDeviceInfo");
fpGetGpuInfo((VkPhysicalDevice) gpuw->nextObject, VK_PHYSICAL_DEVICE_INFO_TYPE_PROPERTIES, &dataSize, &gpuProps);
if (gpuProps.vendorId == 0x8086)
{
*pLayerCount = 1;
strncpy((char *) pOutLayers[0], "Basic", maxStringSize);
} else
{
*pLayerCount = 0;
}
return VK_SUCCESS;
}
}
VK_LAYER_EXPORT void * VKAPI vkGetProcAddr(VkPhysicalDevice gpu, const char* pName)
{
if (gpu == NULL)
return NULL;
initLayerTable((const VkBaseLayerObject *) gpu);
if (!strcmp("vkGetProcAddr", pName))
return (void *) vkGetProcAddr;
if (!strcmp("vkCreateDevice", pName))
return (void *) vkCreateDevice;
if (!strcmp("GetGlobalExtensionInfo", pName))
return (void*) vkGetGlobalExtensionInfo;
if (!strcmp("vkEnumerateLayers", pName))
return (void *) vkEnumerateLayers;
if (!strcmp("vkGetFormatInfo", pName))
return (void *) vkGetFormatInfo;
if (!strcmp("vkLayerExtension1", pName))
return (void *) vkLayerExtension1;
else {
VkBaseLayerObject* gpuw = (VkBaseLayerObject *) gpu;
if (gpuw->pGPA == NULL)
return NULL;
return gpuw->pGPA((VkObject) gpuw->nextObject, pName);
}
}
VK_LAYER_EXPORT void * VKAPI vkGetInstanceProcAddr(VkInstance instance, const char* pName)
{
if (instance == NULL)
return NULL;
// TODO initInstanceLayerTable((const VkBaseLayerObject *) instance);
if (!strcmp("vkGetInstanceProcAddr", pName))
return (void *) vkGetInstanceProcAddr;
if (!strcmp("vkGetProcAddr", pName))
return (void *) vkGetProcAddr;
if (!strcmp("GetGlobalExtensionInfo", pName))
return (void*) vkGetGlobalExtensionInfo;
if (!strcmp("vkCreateDevice", pName))
return (void *) vkCreateDevice;
if (!strcmp("vkEnumerateLayers", pName))
return (void *) vkEnumerateLayers;
else {
VkBaseLayerObject* instancew = (VkBaseLayerObject *) instance;
if (instancew->pGPA == NULL)
return NULL;
return instancew->pGPA((VkObject) instancew->nextObject, pName);
}
}
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