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MAlfBufferProvider Class Reference

class MAlfBufferProvider

Inferface for the pixel buffer provider to provide information, frames and get events concerning context events

Nested Classes and Structures

Public Member Functions
TBufferCreationAttributes & BufferAttributes ()
void ContextAboutToSuspend ()
void OnActivation ()
TBool ProduceNewFrameL (const TRegion &, TUint8 *&)
Public Member Enumerations
enum TBufferFormat { ESourceFormatRGB_565  = 0, ESourceFormatXRGB_8888  = 1, ESourceFormatARGB_8888  = 2, ESourceFormatARGB_8888_PRE  = 3 }

Member Functions Documentation

BufferAttributes()

TBufferCreationAttributes & BufferAttributes ( ) [pure virtual]

Called by framework when new buffer is been created. Client should provide desired creation attributes.

ContextAboutToSuspend()

void ContextAboutToSuspend ( ) [pure virtual]

Notification from FW

OnActivation()

void OnActivation ( ) [pure virtual]

ProduceNewFrameL(const TRegion &, TUint8 *&)

TBool ProduceNewFrameL ( const TRegion & aVisibleRegion,
TUint8 *& aBuffer
) [pure virtual]

Called by framework when the next buffer is ready and available for the client to draw.

Parameters

const TRegion & aVisibleRegion is currently visible surface region
TUint8 *& aBuffer

Member Enumerations Documentation

Enum TBufferFormat

Enumerators

ESourceFormatRGB_565 = 0
ESourceFormatXRGB_8888 = 1
ESourceFormatARGB_8888 = 2
ESourceFormatARGB_8888_PRE = 3

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