Locks a bitmap for reading on CPU. More...

#include <abstract_bitmap.h>

Public Member Functions
	ReadLock (AbstractBitmap &bitmap)

	~ReadLock ()

Private Attributes
AbstractBitmap &	bitmap

Detailed Description

Locks a bitmap for reading on CPU.

Once instantiated on a bitmap, bitmap.getData() returns a valid address. Modifying its content puts the bitmap into inconsistent state. Warning: using this lock in a task (not in the user code) may cause a dead lock.

Definition at line 236 of file abstract_bitmap.h.

Constructor & Destructor Documentation

◆ ReadLock()

AbstractBitmap::ReadLock::ReadLock ( AbstractBitmap & bitmap )

Definition at line 235 of file abstract_bitmap.cpp.

                                                       : bitmap(bitmap) {
 #ifdef BEATMUP_DEBUG
     DebugAssertion::check(!bitmap.isDirty(), "Reading a dirty bitmap");
 #endif
     if (bitmap.isUpToDate(ProcessingTarget::GPU) && !bitmap.isUpToDate(ProcessingTarget::CPU))
         Swapper::pullPixels(bitmap);
     bitmap.lockPixelData();
 }

◆ ~ReadLock()

AbstractBitmap::ReadLock::~ReadLock ( )

Definition at line 245 of file abstract_bitmap.cpp.

                                   {
     bitmap.unlockPixelData();
 }

Member Data Documentation

◆ bitmap

AbstractBitmap& Beatmup::AbstractBitmap::ReadLock::bitmap

private

Definition at line 238 of file abstract_bitmap.h.

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

core/bitmap/abstract_bitmap.h
core/bitmap/abstract_bitmap.cpp