void KisMemoryWindowTest::testTopReports()
{
// default window size in 16 MiB
KisMemoryWindow memory(QString(QDir::currentPath()), DEFAULT_WINDOW_SIZE);
// write 1024 chunks 4 MiB each, hi-limit 4GiB
const quint8 oddValue = 0xee;
const qint64 chunkLength = 4 * MiB;
QScopedArrayPointer<quint8> writeBuffer(new quint8[chunkLength]);
memset(writeBuffer.data(), oddValue, chunkLength);
QScopedArrayPointer<quint8> readBuffer(new quint8[chunkLength]);
qint64 maxChunk = 0;
for (int i = 0; i < 1024; i++) {
{
int chunkIndex = qrand() % 1024;
qint64 chunkStart = chunkIndex * chunkLength;
maxChunk = qMax(chunkStart, maxChunk);
quint8 *ptr;
ptr = memory.getWriteChunkPtr(KisChunkData(chunkStart, chunkLength));
memcpy(ptr, writeBuffer.data(), chunkLength);
dbgKrita << "Writing chunk at" << chunkStart / chunkLength << "MiB" << "max" << maxChunk / chunkLength;
QTest::qWait(250);
}
{
int chunkIndex = qrand() % 1024;
qint64 chunkStart = chunkIndex * chunkLength;
quint8 *ptr;
ptr = memory.getReadChunkPtr(KisChunkData(chunkStart, chunkLength));
memcpy(readBuffer.data(), ptr, chunkLength);
dbgKrita << "Reading chunk at" << chunkStart / chunkLength << "MiB" << "max" << maxChunk / chunkLength;
QTest::qWait(250);
}
}
}
bool KisChunkAllocator::tryInsertChunk(KisChunkDataList &list,
KisChunkDataListIterator &iterator,
quint64 size)
{
bool result = false;
quint64 highBound = m_storeSize;
quint64 lowBound = 0;
quint64 shift = 0;
if(HAS_NEXT(list, iterator))
highBound = PEEK_NEXT(iterator).m_begin;
if(HAS_PREVIOUS(list, iterator)) {
lowBound = PEEK_PREVIOUS(iterator).m_end;
shift = 1;
}
if(GAP_SIZE(lowBound, highBound) >= size) {
list.insert(iterator, KisChunkData(lowBound + shift, size));
result = true;
}
return result;
}