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// Copyright 2018 The SwiftShader Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "VkDeviceMemory.hpp"
#include "VkDeviceMemoryExternalHost.hpp"
#include "VkBuffer.hpp"
#include "VkConfig.hpp"
#include "VkDevice.hpp"
#include "VkImage.hpp"
#include "VkMemory.hpp"
#include "VkStringify.hpp"
#if SWIFTSHADER_EXTERNAL_MEMORY_OPAQUE_FD
// Helper struct which reads the parsed allocation info and
// extracts relevant information related to the handle type
// supported by this DeviceMemory subclass.
struct OpaqueFdAllocateInfo
{
bool importFd = false;
bool exportFd = false;
int fd = -1;
OpaqueFdAllocateInfo() = default;
// Read the parsed allocation info to initialize an OpaqueFdAllocateInfo.
OpaqueFdAllocateInfo(const vk::DeviceMemory::ExtendedAllocationInfo &extendedAllocationInfo)
{
if(extendedAllocationInfo.importMemoryFdInfo)
{
if(extendedAllocationInfo.importMemoryFdInfo->handleType != VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT)
{
UNSUPPORTED("VkImportMemoryFdInfoKHR::handleType %d", int(extendedAllocationInfo.importMemoryFdInfo->handleType));
}
importFd = true;
fd = extendedAllocationInfo.importMemoryFdInfo->fd;
}
if(extendedAllocationInfo.exportMemoryAllocateInfo)
{
if(extendedAllocationInfo.exportMemoryAllocateInfo->handleTypes != VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT)
{
UNSUPPORTED("VkExportMemoryAllocateInfo::handleTypes %d", int(extendedAllocationInfo.exportMemoryAllocateInfo->handleTypes));
}
exportFd = true;
}
}
};
# if defined(__APPLE__)
# include "VkDeviceMemoryExternalMac.hpp"
# elif defined(__linux__) && !defined(__ANDROID__)
# include "VkDeviceMemoryExternalLinux.hpp"
# else
# error "Missing VK_KHR_external_memory_fd implementation for this platform!"
# endif
#endif
#if SWIFTSHADER_EXTERNAL_MEMORY_ANDROID_HARDWARE_BUFFER
# if defined(__ANDROID__)
# include "VkDeviceMemoryExternalAndroid.hpp"
# else
# error "Missing VK_ANDROID_external_memory_android_hardware_buffer implementation for this platform!"
# endif
#endif
#if VK_USE_PLATFORM_FUCHSIA
# include "VkDeviceMemoryExternalFuchsia.hpp"
#endif
namespace vk {
VkResult DeviceMemory::Allocate(const VkAllocationCallbacks *pAllocator, const VkMemoryAllocateInfo *pAllocateInfo, VkDeviceMemory *pMemory, Device *device)
{
*pMemory = VK_NULL_HANDLE;
vk::DeviceMemory::ExtendedAllocationInfo extendedAllocationInfo = {};
VkResult result = vk::DeviceMemory::ParseAllocationInfo(pAllocateInfo, &extendedAllocationInfo);
if(result != VK_SUCCESS)
{
return result;
}
result = Allocate(pAllocator, pAllocateInfo, pMemory, extendedAllocationInfo, device);
if(result != VK_SUCCESS)
{
return result;
}
// Make sure the memory allocation is done now so that OOM errors can be checked now
return vk::Cast(*pMemory)->allocate();
}
VkResult DeviceMemory::Allocate(const VkAllocationCallbacks *pAllocator, const VkMemoryAllocateInfo *pAllocateInfo, VkDeviceMemory *pMemory,
const vk::DeviceMemory::ExtendedAllocationInfo &extendedAllocationInfo, Device *device)
{
#if SWIFTSHADER_EXTERNAL_MEMORY_ANDROID_HARDWARE_BUFFER
if(AHardwareBufferExternalMemory::SupportsAllocateInfo(extendedAllocationInfo))
{
return AHardwareBufferExternalMemory::Create(pAllocator, pAllocateInfo, pMemory, extendedAllocationInfo, device);
}
#endif
#if SWIFTSHADER_EXTERNAL_MEMORY_OPAQUE_FD
if(OpaqueFdExternalMemory::SupportsAllocateInfo(extendedAllocationInfo))
{
return OpaqueFdExternalMemory::Create(pAllocator, pAllocateInfo, pMemory, extendedAllocationInfo, device);
}
#endif
#if VK_USE_PLATFORM_FUCHSIA
if(zircon::VmoExternalMemory::supportsAllocateInfo(extendedAllocationInfo))
{
return zircon::VmoExternalMemory::Create(pAllocator, pAllocateInfo, pMemory, extendedAllocationInfo, device);
}
#endif
if(ExternalMemoryHost::SupportsAllocateInfo(extendedAllocationInfo))
{
return ExternalMemoryHost::Create(pAllocator, pAllocateInfo, pMemory, extendedAllocationInfo, device);
}
return vk::DeviceMemoryInternal::Create(pAllocator, pAllocateInfo, pMemory, extendedAllocationInfo, device);
}
DeviceMemory::DeviceMemory(const VkMemoryAllocateInfo *pAllocateInfo, Device *pDevice)
: allocationSize(pAllocateInfo->allocationSize)
, memoryTypeIndex(pAllocateInfo->memoryTypeIndex)
, device(pDevice)
{
ASSERT(allocationSize);
}
void DeviceMemory::destroy(const VkAllocationCallbacks *pAllocator)
{
#ifdef SWIFTSHADER_DEVICE_MEMORY_REPORT
VkDeviceMemoryReportEventTypeEXT eventType = isImport() ? VK_DEVICE_MEMORY_REPORT_EVENT_TYPE_UNIMPORT_EXT : VK_DEVICE_MEMORY_REPORT_EVENT_TYPE_FREE_EXT;
device->emitDeviceMemoryReport(eventType, getMemoryObjectId(), 0 /* size */, VK_OBJECT_TYPE_DEVICE_MEMORY, (uint64_t)(void *)VkDeviceMemory(*this));
#endif // SWIFTSHADER_DEVICE_MEMORY_REPORT
if(buffer)
{
freeBuffer();
buffer = nullptr;
}
}
size_t DeviceMemory::ComputeRequiredAllocationSize(const VkMemoryAllocateInfo *pAllocateInfo)
{
return 0;
}
VkResult DeviceMemory::ParseAllocationInfo(const VkMemoryAllocateInfo *pAllocateInfo, DeviceMemory::ExtendedAllocationInfo *extendedAllocationInfo)
{
const VkBaseInStructure *allocationInfo = reinterpret_cast<const VkBaseInStructure *>(pAllocateInfo->pNext);
while(allocationInfo)
{
switch(allocationInfo->sType)
{
case VK_STRUCTURE_TYPE_MEMORY_DEDICATED_ALLOCATE_INFO:
// This can safely be ignored on most platforms, as the Vulkan spec mentions:
// "If the pNext chain includes a VkMemoryDedicatedAllocateInfo structure, then that structure
// includes a handle of the sole buffer or image resource that the memory *can* be bound to."
#if SWIFTSHADER_EXTERNAL_MEMORY_ANDROID_HARDWARE_BUFFER
extendedAllocationInfo->dedicatedAllocateInfo = reinterpret_cast<const VkMemoryDedicatedAllocateInfo *>(allocationInfo);
#endif
break;
case VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_FLAGS_INFO:
// This extension controls on which physical devices the memory gets allocated.
// SwiftShader only has a single physical device, so this extension does nothing in this case.
break;
#if SWIFTSHADER_EXTERNAL_MEMORY_OPAQUE_FD
case VK_STRUCTURE_TYPE_IMPORT_MEMORY_FD_INFO_KHR:
extendedAllocationInfo->importMemoryFdInfo = reinterpret_cast<const VkImportMemoryFdInfoKHR *>(allocationInfo);
if(extendedAllocationInfo->importMemoryFdInfo->handleType != VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT)
{
UNSUPPORTED("extendedAllocationInfo->importMemoryFdInfo->handleType %u", extendedAllocationInfo->importMemoryFdInfo->handleType);
return VK_ERROR_INVALID_EXTERNAL_HANDLE;
}
break;
#endif // SWIFTSHADER_EXTERNAL_MEMORY_OPAQUE_FD
case VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO:
extendedAllocationInfo->exportMemoryAllocateInfo = reinterpret_cast<const VkExportMemoryAllocateInfo *>(allocationInfo);
switch(extendedAllocationInfo->exportMemoryAllocateInfo->handleTypes)
{
#if SWIFTSHADER_EXTERNAL_MEMORY_OPAQUE_FD
case VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT:
break;
#endif
#if SWIFTSHADER_EXTERNAL_MEMORY_ANDROID_HARDWARE_BUFFER
case VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID:
break;
#endif
#if VK_USE_PLATFORM_FUCHSIA
case VK_EXTERNAL_MEMORY_HANDLE_TYPE_ZIRCON_VMO_BIT_FUCHSIA:
break;
#endif
default:
UNSUPPORTED("extendedAllocationInfo->exportMemoryAllocateInfo->handleTypes %u", extendedAllocationInfo->exportMemoryAllocateInfo->handleTypes);
return VK_ERROR_INVALID_EXTERNAL_HANDLE;
}
break;
#if SWIFTSHADER_EXTERNAL_MEMORY_ANDROID_HARDWARE_BUFFER
case VK_STRUCTURE_TYPE_IMPORT_ANDROID_HARDWARE_BUFFER_INFO_ANDROID:
extendedAllocationInfo->importAndroidHardwareBufferInfo = reinterpret_cast<const VkImportAndroidHardwareBufferInfoANDROID *>(allocationInfo);
break;
#endif // SWIFTSHADER_EXTERNAL_MEMORY_ANDROID_HARDWARE_BUFFER
case VK_STRUCTURE_TYPE_IMPORT_MEMORY_HOST_POINTER_INFO_EXT:
extendedAllocationInfo->importMemoryHostPointerInfo = reinterpret_cast<const VkImportMemoryHostPointerInfoEXT *>(allocationInfo);
if((extendedAllocationInfo->importMemoryHostPointerInfo->handleType != VK_EXTERNAL_MEMORY_HANDLE_TYPE_HOST_ALLOCATION_BIT_EXT) &&
(extendedAllocationInfo->importMemoryHostPointerInfo->handleType != VK_EXTERNAL_MEMORY_HANDLE_TYPE_HOST_MAPPED_FOREIGN_MEMORY_BIT_EXT))
{
UNSUPPORTED("extendedAllocationInfo->importMemoryHostPointerInfo->handleType %u", extendedAllocationInfo->importMemoryHostPointerInfo->handleType);
return VK_ERROR_INVALID_EXTERNAL_HANDLE;
}
break;
#if VK_USE_PLATFORM_FUCHSIA
case VK_STRUCTURE_TYPE_IMPORT_MEMORY_ZIRCON_HANDLE_INFO_FUCHSIA:
extendedAllocationInfo->importMemoryZirconHandleInfo = reinterpret_cast<const VkImportMemoryZirconHandleInfoFUCHSIA *>(allocationInfo);
if(extendedAllocationInfo->importMemoryZirconHandleInfo->handleType != VK_EXTERNAL_MEMORY_HANDLE_TYPE_ZIRCON_VMO_BIT_FUCHSIA)
{
UNSUPPORTED("extendedAllocationInfo->importMemoryZirconHandleInfo->handleType %u", extendedAllocationInfo->importMemoryZirconHandleInfo->handleType);
return VK_ERROR_INVALID_EXTERNAL_HANDLE;
}
break;
#endif // VK_USE_PLATFORM_FUCHSIA
default:
UNSUPPORTED("pAllocateInfo->pNext sType = %s", vk::Stringify(allocationInfo->sType).c_str());
break;
}
allocationInfo = allocationInfo->pNext;
}
return VK_SUCCESS;
}
VkResult DeviceMemory::allocate()
{
if(allocationSize > MAX_MEMORY_ALLOCATION_SIZE)
{
#ifdef SWIFTSHADER_DEVICE_MEMORY_REPORT
device->emitDeviceMemoryReport(VK_DEVICE_MEMORY_REPORT_EVENT_TYPE_ALLOCATION_FAILED_EXT, 0 /* memoryObjectId */, allocationSize, VK_OBJECT_TYPE_DEVICE_MEMORY, 0 /* objectHandle */);
#endif // SWIFTSHADER_DEVICE_MEMORY_REPORT
return VK_ERROR_OUT_OF_DEVICE_MEMORY;
}
VkResult result = VK_SUCCESS;
if(!buffer)
{
result = allocateBuffer();
}
#ifdef SWIFTSHADER_DEVICE_MEMORY_REPORT
if(result == VK_SUCCESS)
{
VkDeviceMemoryReportEventTypeEXT eventType = isImport() ? VK_DEVICE_MEMORY_REPORT_EVENT_TYPE_IMPORT_EXT : VK_DEVICE_MEMORY_REPORT_EVENT_TYPE_ALLOCATE_EXT;
device->emitDeviceMemoryReport(eventType, getMemoryObjectId(), allocationSize, VK_OBJECT_TYPE_DEVICE_MEMORY, (uint64_t)(void *)VkDeviceMemory(*this));
}
else
{
device->emitDeviceMemoryReport(VK_DEVICE_MEMORY_REPORT_EVENT_TYPE_ALLOCATION_FAILED_EXT, 0 /* memoryObjectId */, allocationSize, VK_OBJECT_TYPE_DEVICE_MEMORY, 0 /* objectHandle */);
}
#endif // SWIFTSHADER_DEVICE_MEMORY_REPORT
return result;
}
VkResult DeviceMemory::map(VkDeviceSize pOffset, VkDeviceSize pSize, void **ppData)
{
*ppData = getOffsetPointer(pOffset);
return VK_SUCCESS;
}
VkDeviceSize DeviceMemory::getCommittedMemoryInBytes() const
{
return allocationSize;
}
void *DeviceMemory::getOffsetPointer(VkDeviceSize pOffset) const
{
ASSERT(buffer);
return reinterpret_cast<char *>(buffer) + pOffset;
}
bool DeviceMemory::checkExternalMemoryHandleType(
VkExternalMemoryHandleTypeFlags supportedHandleTypes) const
{
if(!supportedHandleTypes)
{
// This image or buffer does not need to be stored on external
// memory, so this check should always pass.
return true;
}
VkExternalMemoryHandleTypeFlagBits handle_type_bit = getFlagBit();
if(!handle_type_bit)
{
// This device memory is not external and can accommodate
// any image or buffer as well.
return true;
}
// Return true only if the external memory type is compatible with the
// one specified during VkCreate{Image,Buffer}(), through a
// VkExternalMemory{Image,Buffer}AllocateInfo struct.
return (supportedHandleTypes & handle_type_bit) != 0;
}
// Allocate the memory according to `allocationSize`. On success return VK_SUCCESS
// and sets `buffer`.
VkResult DeviceMemory::allocateBuffer()
{
buffer = vk::allocateDeviceMemory(allocationSize, REQUIRED_MEMORY_ALIGNMENT);
if(!buffer)
{
return VK_ERROR_OUT_OF_DEVICE_MEMORY;
}
return VK_SUCCESS;
}
// Free previously allocated memory at `buffer`.
void DeviceMemory::freeBuffer()
{
vk::freeDeviceMemory(buffer);
buffer = nullptr;
}
// Return the handle type flag bit supported by this implementation.
// A value of 0 corresponds to non-external memory.
VkExternalMemoryHandleTypeFlagBits DeviceMemory::getFlagBit() const
{
// Does not support any external memory type at all.
static const VkExternalMemoryHandleTypeFlagBits typeFlagBit = (VkExternalMemoryHandleTypeFlagBits)0;
return typeFlagBit;
}
#if SWIFTSHADER_EXTERNAL_MEMORY_OPAQUE_FD
VkResult DeviceMemory::exportFd(int *pFd) const
{
return VK_ERROR_INVALID_EXTERNAL_HANDLE;
}
#endif
#if SWIFTSHADER_EXTERNAL_MEMORY_ANDROID_HARDWARE_BUFFER
VkResult DeviceMemory::exportAndroidHardwareBuffer(struct AHardwareBuffer **pAhb) const
{
return VK_ERROR_OUT_OF_HOST_MEMORY;
}
VkResult DeviceMemory::GetAndroidHardwareBufferProperties(VkDevice &ahbDevice, const struct AHardwareBuffer *buffer, VkAndroidHardwareBufferPropertiesANDROID *pProperties)
{
return AHardwareBufferExternalMemory::GetAndroidHardwareBufferProperties(ahbDevice, buffer, pProperties);
}
#endif
#if VK_USE_PLATFORM_FUCHSIA
VkResult DeviceMemory::exportHandle(zx_handle_t *pHandle) const
{
return VK_ERROR_INVALID_EXTERNAL_HANDLE;
}
#endif
} // namespace vk