mirror/VulkanMemoryAllocator
1
0
Fork 0
mirror of https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator.git synced 2024-09-20 06:32:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added function vmaCreateBufferWithAlignment

Browse Source
This commit is contained in:
Adam Sawicki 2021-06-28 16:14:20 +02:00
parent 96ec5ce4e7
commit 25e436868c
1 changed files with 113 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

113
include/vk_mem_alloc.h
View File

@ -3966,6 +3966,17 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBuffer(
VmaAllocation VMA_NULLABLE * VMA_NOT_NULL pAllocation,
VmaAllocationInfo* VMA_NULLABLE pAllocationInfo);
/** \brief TODO
*/
VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBufferWithAlignment(
VmaAllocator VMA_NOT_NULL allocator,
const VkBufferCreateInfo* VMA_NOT_NULL pBufferCreateInfo,
const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo,
VkDeviceSize minAlignment,
VkBuffer VMA_NULLABLE_NON_DISPATCHABLE * VMA_NOT_NULL pBuffer,
VmaAllocation VMA_NULLABLE * VMA_NOT_NULL pAllocation,
VmaAllocationInfo* VMA_NULLABLE pAllocationInfo);
/** \brief Destroys Vulkan buffer and frees allocated memory.
This is just a convenience function equivalent to:
@ -19434,6 +19445,108 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBuffer(
return res;
}
VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBufferWithAlignment(
VmaAllocator allocator,
const VkBufferCreateInfo* pBufferCreateInfo,
const VmaAllocationCreateInfo* pAllocationCreateInfo,
VkDeviceSize minAlignment,
VkBuffer* pBuffer,
VmaAllocation* pAllocation,
VmaAllocationInfo* pAllocationInfo)
{
VMA_ASSERT(allocator && pBufferCreateInfo && pAllocationCreateInfo && VmaIsPow2(minAlignment) && pBuffer && pAllocation);
if(pBufferCreateInfo->size == 0)
{
return VK_ERROR_VALIDATION_FAILED_EXT;
}
if((pBufferCreateInfo->usage & VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT_COPY) != 0 &&
!allocator->m_UseKhrBufferDeviceAddress)
{
VMA_ASSERT(0 && "Creating a buffer with VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT is not valid if VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT was not used.");
return VK_ERROR_VALIDATION_FAILED_EXT;
}
VMA_DEBUG_LOG("vmaCreateBufferWithAlignment");
VMA_DEBUG_GLOBAL_MUTEX_LOCK
*pBuffer = VK_NULL_HANDLE;
*pAllocation = VK_NULL_HANDLE;
// 1. Create VkBuffer.
VkResult res = (*allocator->GetVulkanFunctions().vkCreateBuffer)(
allocator->m_hDevice,
pBufferCreateInfo,
allocator->GetAllocationCallbacks(),
pBuffer);
if(res >= 0)
{
// 2. vkGetBufferMemoryRequirements.
VkMemoryRequirements vkMemReq = {};
bool requiresDedicatedAllocation = false;
bool prefersDedicatedAllocation = false;
allocator->GetBufferMemoryRequirements(*pBuffer, vkMemReq,
requiresDedicatedAllocation, prefersDedicatedAllocation);
// 2a. Include minAlignment
vkMemReq.alignment = VMA_MAX(vkMemReq.alignment, minAlignment);
// 3. Allocate memory using allocator.
res = allocator->AllocateMemory(
vkMemReq,
requiresDedicatedAllocation,
prefersDedicatedAllocation,
*pBuffer, // dedicatedBuffer
pBufferCreateInfo->usage, // dedicatedBufferUsage
VK_NULL_HANDLE, // dedicatedImage
*pAllocationCreateInfo,
VMA_SUBALLOCATION_TYPE_BUFFER,
1, // allocationCount
pAllocation);
#if VMA_RECORDING_ENABLED
if(allocator->GetRecorder() != VMA_NULL)
{
VMA_ASSERT(0 && "Not implemented.");
}
#endif
if(res >= 0)
{
// 3. Bind buffer with memory.
if((pAllocationCreateInfo->flags & VMA_ALLOCATION_CREATE_DONT_BIND_BIT) == 0)
{
res = allocator->BindBufferMemory(*pAllocation, 0, *pBuffer, VMA_NULL);
}
if(res >= 0)
{
// All steps succeeded.
#if VMA_STATS_STRING_ENABLED
(*pAllocation)->InitBufferImageUsage(pBufferCreateInfo->usage);
#endif
if(pAllocationInfo != VMA_NULL)
{
allocator->GetAllocationInfo(*pAllocation, pAllocationInfo);
}
return VK_SUCCESS;
}
allocator->FreeMemory(
1, // allocationCount
pAllocation);
*pAllocation = VK_NULL_HANDLE;
(*allocator->GetVulkanFunctions().vkDestroyBuffer)(allocator->m_hDevice, *pBuffer, allocator->GetAllocationCallbacks());
*pBuffer = VK_NULL_HANDLE;
return res;
}
(*allocator->GetVulkanFunctions().vkDestroyBuffer)(allocator->m_hDevice, *pBuffer, allocator->GetAllocationCallbacks());
*pBuffer = VK_NULL_HANDLE;
return res;
}
return res;
}
VMA_CALL_PRE void VMA_CALL_POST vmaDestroyBuffer(
VmaAllocator allocator,
VkBuffer buffer,