Class for buffer. More...

#include <Buffer.hpp>

Collaboration diagram for ven::Buffer:

Public Member Functions
	Buffer (Device &device, VkDeviceSize instanceSize, uint32_t instanceCount, VkBufferUsageFlags usageFlags, VkMemoryPropertyFlags memoryPropertyFlags, VkDeviceSize minOffsetAlignment=1)

	~Buffer ()

	Buffer (const Buffer &)=delete

Buffer &	operator= (const Buffer &)=delete

VkResult	map (VkDeviceSize size=VK_WHOLE_SIZE, VkDeviceSize offset=0)
	Map a memory range of this buffer.

void	unmap ()
	Unmap a mapped memory range.

void	writeToBuffer (const void *data, VkDeviceSize size=VK_WHOLE_SIZE, VkDeviceSize offset=0) const
	Copies the specified data to the mapped buffer.

VkResult	flush (VkDeviceSize size=VK_WHOLE_SIZE, VkDeviceSize offset=0) const
	Flush a memory range of the buffer to make it visible to the device.

VkDescriptorBufferInfo	descriptorInfo (const VkDeviceSize size=VK_WHOLE_SIZE, const VkDeviceSize offset=0) const
	Create a buffer info descriptor.

VkResult	invalidate (VkDeviceSize size=VK_WHOLE_SIZE, VkDeviceSize offset=0) const
	Invalidate a memory range of the buffer to make it visible to the host.

void	writeToIndex (const void *data, const VkDeviceSize index) const
	Copies "instanceSize" bytes of data to the mapped buffer at an offset of index * alignmentSize.

VkResult	flushIndex (const VkDeviceSize index) const
	Flush the memory range at index * alignmentSize of the buffer to make it visible to the device.

VkDescriptorBufferInfo	descriptorInfoForIndex (const VkDeviceSize index) const
	Create a buffer info descriptor.

VkResult	invalidateIndex (const VkDeviceSize index) const
	Invalidate a memory range of the buffer to make it visible to the host.

VkBuffer	getBuffer () const

void *	getMappedMemory () const

uint32_t	getInstanceCount () const

VkDeviceSize	getInstanceSize () const

VkDeviceSize	getAlignmentSize () const

VkBufferUsageFlags	getUsageFlags () const

VkMemoryPropertyFlags	getMemoryPropertyFlags () const

VkDeviceSize	getBufferSize () const

Static Private Member Functions
static VkDeviceSize	getAlignment (VkDeviceSize instanceSize, VkDeviceSize minOffsetAlignment)
	Returns the minimum instance size required to be compatible with devices minOffsetAlignment.

Private Attributes
Device &	m_device

void *	m_mapped = nullptr

VkBuffer	m_buffer = VK_NULL_HANDLE

VkDeviceMemory	m_memory = VK_NULL_HANDLE

VkDeviceSize	m_bufferSize

VkDeviceSize	m_instanceSize

uint32_t	m_instanceCount

VkDeviceSize	m_alignmentSize

VkBufferUsageFlags	m_usageFlags

VkMemoryPropertyFlags	m_memoryPropertyFlags

Detailed Description

Class for buffer.

Definition at line 17 of file Buffer.hpp.

Constructor & Destructor Documentation

◆ Buffer() [1/2]

ven::Buffer::Buffer	(	Device &	device,
		VkDeviceSize	instanceSize,
		uint32_t	instanceCount,
		VkBufferUsageFlags	usageFlags,
		VkMemoryPropertyFlags	memoryPropertyFlags,
		VkDeviceSize	minOffsetAlignment = 1 )

Definition at line 13 of file buffer.cpp.

References ven::Device::createBuffer(), m_alignmentSize, m_buffer, m_bufferSize, m_instanceCount, m_memory, m_memoryPropertyFlags, and m_usageFlags.

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◆ ~Buffer()

ven::Buffer::~Buffer ( )

Definition at line 19 of file buffer.cpp.

◆ Buffer() [2/2]

ven::Buffer::Buffer ( const Buffer & )

delete

Member Function Documentation

◆ descriptorInfo()

VkDescriptorBufferInfo ven::Buffer::descriptorInfo	(	const VkDeviceSize	size = VK_WHOLE_SIZE,
		const VkDeviceSize	offset = 0 ) const

inlinenodiscard

Create a buffer info descriptor.

Parameters

size	(Optional) Size of the memory range of the descriptor
offset	(Optional) Byte offset from beginning

Returns: VkDescriptorBufferInfo of specified offset and range

Definition at line 73 of file Buffer.hpp.

References m_buffer.

Referenced by descriptorInfoForIndex().

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◆ descriptorInfoForIndex()

VkDescriptorBufferInfo ven::Buffer::descriptorInfoForIndex ( const VkDeviceSize index ) const

inlinenodiscard

Create a buffer info descriptor.

Parameters

index Specifies the region given by index * alignmentSize

Returns: VkDescriptorBufferInfo for instance at index

Definition at line 112 of file Buffer.hpp.

References descriptorInfo(), and m_alignmentSize.

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◆ flush()

VkResult ven::Buffer::flush	(	VkDeviceSize	size = VK_WHOLE_SIZE,
		VkDeviceSize	offset = 0 ) const

nodiscard

Flush a memory range of the buffer to make it visible to the device.

Note: Only required for non-coherent memory

Parameters

size	(Optional) Size of the memory range to flush. Pass VK_WHOLE_SIZE to flush the complete buffer range.
offset	(Optional) Byte offset from beginning

Returns: VkResult of the flush call

Definition at line 53 of file buffer.cpp.

Referenced by flushIndex().

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◆ flushIndex()

VkResult ven::Buffer::flushIndex ( const VkDeviceSize index ) const

inlinenodiscard

Flush the memory range at index * alignmentSize of the buffer to make it visible to the device.

Parameters

index Used in offset calculation

Definition at line 102 of file Buffer.hpp.

References flush(), and m_alignmentSize.

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◆ getAlignment()

VkDeviceSize ven::Buffer::getAlignment	(	VkDeviceSize	instanceSize,
		VkDeviceSize	minOffsetAlignment )

staticprivate

Returns the minimum instance size required to be compatible with devices minOffsetAlignment.

Parameters

instanceSize	The size of an instance
minOffsetAlignment	The minimum required alignment, in bytes, for the offset member (eg minUniformBufferOffsetAlignment)

Returns: VkResult of the buffer mapping call

Definition at line 6 of file buffer.cpp.

◆ getAlignmentSize()

VkDeviceSize ven::Buffer::getAlignmentSize ( ) const

inlinenodiscard

Definition at line 129 of file Buffer.hpp.

References m_instanceSize.

◆ getBuffer()

VkBuffer ven::Buffer::getBuffer ( ) const

inlinenodiscard

Definition at line 125 of file Buffer.hpp.

References m_buffer.

◆ getBufferSize()

VkDeviceSize ven::Buffer::getBufferSize ( ) const

inlinenodiscard

Definition at line 132 of file Buffer.hpp.

References m_bufferSize.

◆ getInstanceCount()

uint32_t ven::Buffer::getInstanceCount ( ) const

inlinenodiscard

Definition at line 127 of file Buffer.hpp.

References m_instanceCount.

◆ getInstanceSize()

VkDeviceSize ven::Buffer::getInstanceSize ( ) const

inlinenodiscard

Definition at line 128 of file Buffer.hpp.

References m_instanceSize.

◆ getMappedMemory()

void * ven::Buffer::getMappedMemory ( ) const

inlinenodiscard

Definition at line 126 of file Buffer.hpp.

References m_mapped.

◆ getMemoryPropertyFlags()

VkMemoryPropertyFlags ven::Buffer::getMemoryPropertyFlags ( ) const

inlinenodiscard

Definition at line 131 of file Buffer.hpp.

References m_memoryPropertyFlags.

◆ getUsageFlags()

VkBufferUsageFlags ven::Buffer::getUsageFlags ( ) const

inlinenodiscard

Definition at line 130 of file Buffer.hpp.

References m_usageFlags.

◆ invalidate()

VkResult ven::Buffer::invalidate	(	VkDeviceSize	size = VK_WHOLE_SIZE,
		VkDeviceSize	offset = 0 ) const

nodiscard

Invalidate a memory range of the buffer to make it visible to the host.

Note: Only required for non-coherent memory

Parameters

size	(Optional) Size of the memory range to invalidate. Pass VK_WHOLE_SIZE to invalidate the complete buffer range.
offset	(Optional) Byte offset from beginning

Returns: VkResult of the invalidate call

Definition at line 63 of file buffer.cpp.

Referenced by invalidateIndex().

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◆ invalidateIndex()

VkResult ven::Buffer::invalidateIndex ( const VkDeviceSize index ) const

inlinenodiscard

Invalidate a memory range of the buffer to make it visible to the host.

Note: Only required for non-coherent memory

Parameters

index Specifies the region to invalidate: index * alignmentSize

Returns: VkResult of the invalidate call

Definition at line 123 of file Buffer.hpp.

References invalidate(), and m_alignmentSize.

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◆ map()

VkResult ven::Buffer::map	(	VkDeviceSize	size = VK_WHOLE_SIZE,
		VkDeviceSize	offset = 0 )

Map a memory range of this buffer.

If successful, mapped points to the specified buffer range.

Parameters

size	(Optional) Size of the memory range to map. Pass VK_WHOLE_SIZE to map the complete buffer range.
offset	(Optional) Byte offset from beginning

Returns: VkResult of the buffer mapping call

Definition at line 26 of file buffer.cpp.

Referenced by ven::Model::createIndexBuffer(), and ven::Model::createVertexBuffer().

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◆ operator=()

Buffer & ven::Buffer::operator= ( const Buffer & )

delete

◆ unmap()

void ven::Buffer::unmap ( )

Unmap a mapped memory range.

Note: Does not return a result as vkUnmapMemory can't fail

Definition at line 32 of file buffer.cpp.

◆ writeToBuffer()

void ven::Buffer::writeToBuffer	(	const void *	data,
		VkDeviceSize	size = VK_WHOLE_SIZE,
		VkDeviceSize	offset = 0 ) const

Copies the specified data to the mapped buffer.

Default value writes whole buffer range

Parameters

data	Pointer to the data to copy
size	(Optional) Size of the data to copy. Pass VK_WHOLE_SIZE to flush the complete buffer range.
offset	(Optional) Byte offset from beginning of mapped region

Definition at line 40 of file buffer.cpp.

Referenced by writeToIndex().

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◆ writeToIndex()

void ven::Buffer::writeToIndex	(	const void *	data,
		const VkDeviceSize	index ) const

inline

Copies "instanceSize" bytes of data to the mapped buffer at an offset of index * alignmentSize.

Parameters

data	Pointer to the data to copy
index	Used in offset calculation

Definition at line 95 of file Buffer.hpp.

References m_alignmentSize, m_instanceSize, and writeToBuffer().

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Member Data Documentation

◆ m_alignmentSize

VkDeviceSize ven::Buffer::m_alignmentSize

private

Definition at line 154 of file Buffer.hpp.

Referenced by Buffer(), descriptorInfoForIndex(), flushIndex(), invalidateIndex(), and writeToIndex().

◆ m_buffer

VkBuffer ven::Buffer::m_buffer = VK_NULL_HANDLE

private

Definition at line 148 of file Buffer.hpp.

Referenced by Buffer(), descriptorInfo(), and getBuffer().

◆ m_bufferSize

VkDeviceSize ven::Buffer::m_bufferSize

private

Definition at line 151 of file Buffer.hpp.

Referenced by Buffer(), and getBufferSize().

◆ m_device

Device& ven::Buffer::m_device

private

Definition at line 146 of file Buffer.hpp.

◆ m_instanceCount

uint32_t ven::Buffer::m_instanceCount

private

Definition at line 153 of file Buffer.hpp.

Referenced by Buffer(), and getInstanceCount().

◆ m_instanceSize

VkDeviceSize ven::Buffer::m_instanceSize

private

Definition at line 152 of file Buffer.hpp.

Referenced by getAlignmentSize(), getInstanceSize(), and writeToIndex().

◆ m_mapped

void* ven::Buffer::m_mapped = nullptr

private

Definition at line 147 of file Buffer.hpp.

Referenced by getMappedMemory().

◆ m_memory

VkDeviceMemory ven::Buffer::m_memory = VK_NULL_HANDLE

private

Definition at line 149 of file Buffer.hpp.

Referenced by Buffer().

◆ m_memoryPropertyFlags

VkMemoryPropertyFlags ven::Buffer::m_memoryPropertyFlags

private

Definition at line 156 of file Buffer.hpp.

Referenced by Buffer(), and getMemoryPropertyFlags().

◆ m_usageFlags

VkBufferUsageFlags ven::Buffer::m_usageFlags

private

Definition at line 155 of file Buffer.hpp.

Referenced by Buffer(), and getUsageFlags().

The documentation for this class was generated from the following files:

/home/runner/work/VEngine/VEngine/include/VEngine/Buffer.hpp
/home/runner/work/VEngine/VEngine/src/buffer.cpp

Public Member Functions

Static Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Buffer() [1/2]

◆ ~Buffer()

◆ Buffer() [2/2]

Member Function Documentation

◆ descriptorInfo()

◆ descriptorInfoForIndex()

◆ flush()

◆ flushIndex()

◆ getAlignment()

◆ getAlignmentSize()

◆ getBuffer()

◆ getBufferSize()

◆ getInstanceCount()

◆ getInstanceSize()

◆ getMappedMemory()

◆ getMemoryPropertyFlags()

◆ getUsageFlags()

◆ invalidate()

◆ invalidateIndex()

◆ map()

◆ operator=()

◆ unmap()

◆ writeToBuffer()

◆ writeToIndex()

Member Data Documentation

◆ m_alignmentSize

◆ m_buffer

◆ m_bufferSize

◆ m_device

◆ m_instanceCount

◆ m_instanceSize

◆ m_mapped

◆ m_memory

◆ m_memoryPropertyFlags

◆ m_usageFlags