Vesper::BufferElement Struct Reference

Represents a single element in a buffer layout. More...

#include <Buffer.h>

Public Member Functions
	BufferElement ()
	BufferElement (ShaderDataType type, const std::string &name, bool normalized=false)
	Constructs a BufferElement with the given type, name, and normalization flag.
uint32_t	GetComponentCount () const
	Returns the number of components in the buffer element based on its ShaderDataType.

Public Attributes
std::string	Name
	The name of the buffer element.
ShaderDataType	Type
	The data type of the buffer element.
uint32_t	Size
	The size in bytes of the buffer element.
uint32_t	Offset
	The offset in bytes of the buffer element from the start of the buffer.
bool	Normalized
	Whether the buffer element is normalized.

Detailed Description

Represents a single element in a buffer layout.

Constructor & Destructor Documentation

BufferElement() [1/2]

Vesper::BufferElement::BufferElement ( )

inline

{}

BufferElement() [2/2]

Vesper::BufferElement::BufferElement ( ShaderDataType type, const std::string & name, bool normalized = false )

inline

Constructs a BufferElement with the given type, name, and normalization flag.

Parameters

type	The ShaderDataType of the buffer element.
name	The name of the buffer element.
normalized	Whether the buffer element is normalized.

            : Name(name), Type(type), Size(ShaderDataTypeSize(type)), Offset(0), Normalized(normalized)
        {
        }

References BufferElement(), Normalized, Offset, Vesper::ShaderDataTypeSize(), Size, and Type.

Referenced by BufferElement().

Member Function Documentation

GetComponentCount()

uint32_t Vesper::BufferElement::GetComponentCount ( ) const

inline

Returns the number of components in the buffer element based on its ShaderDataType.

                                           {
            switch (Type) {
            case ShaderDataType::Float:     return 1;
            case ShaderDataType::Float2:    return 2;
            case ShaderDataType::Float3:    return 3;
            case ShaderDataType::Float4:    return 4;
            case ShaderDataType::Mat3:      return 3 * 3;
            case ShaderDataType::Mat4:      return 4 * 4;
            case ShaderDataType::Int:       return 1;
            case ShaderDataType::Int2:      return 2;
            case ShaderDataType::Int3:      return 3;
            case ShaderDataType::Int4:      return 4;
            case ShaderDataType::Bool:      return 1;
            }
            VZ_CORE_ASSERT(false, "Unknown ShaderDataType!");
            return 0;
        }

References Vesper::Bool, Vesper::Float, Vesper::Float2, Vesper::Float3, Vesper::Float4, Vesper::Int, Vesper::Int2, Vesper::Int3, Vesper::Int4, Vesper::Mat3, Vesper::Mat4, and Type.

Member Data Documentation

Name

std::string Vesper::BufferElement::Name

The name of the buffer element.

Normalized

bool Vesper::BufferElement::Normalized

Whether the buffer element is normalized.

Referenced by BufferElement().

Offset

uint32_t Vesper::BufferElement::Offset

The offset in bytes of the buffer element from the start of the buffer.

Referenced by BufferElement().

Size

uint32_t Vesper::BufferElement::Size

The size in bytes of the buffer element.

Referenced by BufferElement().

Type

ShaderDataType Vesper::BufferElement::Type

The data type of the buffer element.

Referenced by BufferElement(), and GetComponentCount().

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The documentation for this struct was generated from the following file:

• Vesper/src/Vesper/Renderer/Buffer.h