KODI::RETRO::CRenderBufferDMA Class Reference

Special IRenderBuffer implementation for use with CBufferObject. This buffer type uses Direct Memory Access (DMA) sharing via file descriptors (fds). The file descriptor is then used to create an EGL image. More...

#include <RenderBufferDMA.h>

Inheritance diagram for KODI::RETRO::CRenderBufferDMA:

Public Member Functions
	CRenderBufferDMA (CRenderContext &context, int fourcc)
	~CRenderBufferDMA () override
bool	Allocate (AVPixelFormat format, unsigned int width, unsigned int height) override
size_t	GetFrameSize () const override
uint8_t *	GetMemory () override
void	ReleaseMemory () override
bool	UploadTexture () override
GLuint	TextureID () const
Public Member Functions inherited from KODI::RETRO::CBaseRenderBuffer
	CBaseRenderBuffer ()
	~CBaseRenderBuffer () override=default
void	Acquire () override
void	Acquire (std::shared_ptr< IRenderBufferPool > pool) override
void	Release () override
IRenderBufferPool *	GetPool () override
DataAccess	GetMemoryAccess () const override
DataAlignment	GetMemoryAlignment () const override
Public Member Functions inherited from KODI::RETRO::IRenderBuffer
virtual	~IRenderBuffer ()=default
virtual void	Update ()
virtual void	BindToUnit (unsigned int unit)
virtual void	SetHeader (void *header)
AVPixelFormat	GetFormat () const
unsigned int	GetWidth () const
unsigned int	GetHeight () const
bool	IsLoaded () const
void	SetLoaded (bool bLoaded)
bool	IsRendered () const
void	SetRendered (bool bRendered)
unsigned int	GetRotation () const
void	SetRotation (unsigned int rotationDegCCW)

Protected Attributes
CRenderContext &	m_context
const int	m_fourcc = 0
const GLenum	m_textureTarget = GL_TEXTURE_2D
GLuint	m_textureId = 0
Protected Attributes inherited from KODI::RETRO::CBaseRenderBuffer
std::atomic_int	m_refCount
std::shared_ptr< IRenderBufferPool >	m_pool
Protected Attributes inherited from KODI::RETRO::IRenderBuffer
AVPixelFormat	m_format = AV_PIX_FMT_NONE
unsigned int	m_width = 0
unsigned int	m_height = 0
bool	m_bLoaded = false
bool	m_bRendered = false
unsigned int	m_rotationDegCCW = 0

Detailed Description

Special IRenderBuffer implementation for use with CBufferObject. This buffer type uses Direct Memory Access (DMA) sharing via file descriptors (fds). The file descriptor is then used to create an EGL image.

Constructor & Destructor Documentation

CRenderBufferDMA()

CRenderBufferDMA::CRenderBufferDMA	(	CRenderContext &	context,
		int	fourcc )

~CRenderBufferDMA()

CRenderBufferDMA::~CRenderBufferDMA ( )

override

Member Function Documentation

Allocate()

bool CRenderBufferDMA::Allocate ( AVPixelFormat format, unsigned int width, unsigned int height )

overridevirtual

Implements KODI::RETRO::IRenderBuffer.

GetFrameSize()

size_t CRenderBufferDMA::GetFrameSize ( ) const

overridevirtual

Todo

Remove me

Implements KODI::RETRO::IRenderBuffer.

GetMemory()

uint8_t * CRenderBufferDMA::GetMemory ( )

overridevirtual

Implements KODI::RETRO::IRenderBuffer.

ReleaseMemory()

void CRenderBufferDMA::ReleaseMemory ( )

overridevirtual

Reimplemented from KODI::RETRO::IRenderBuffer.

TextureID()

GLuint KODI::RETRO::CRenderBufferDMA::TextureID ( ) const

inline

UploadTexture()

bool CRenderBufferDMA::UploadTexture ( )

overridevirtual

Implements KODI::RETRO::IRenderBuffer.

Member Data Documentation

m_context

CRenderContext& KODI::RETRO::CRenderBufferDMA::m_context

protected

m_fourcc

const int KODI::RETRO::CRenderBufferDMA::m_fourcc = 0

protected

m_textureId

GLuint KODI::RETRO::CRenderBufferDMA::m_textureId = 0

protected

m_textureTarget

const GLenum KODI::RETRO::CRenderBufferDMA::m_textureTarget = GL_TEXTURE_2D

protected

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

• RenderBufferDMA.h
• RenderBufferDMA.cpp