BufferMapper* DisplayPlane::mapBuffer(DataBuffer *buffer)
{
BufferManager *bm = Hwcomposer::getInstance().getBufferManager();
// invalidate buffer cache if cache is full
if ((int)mDataBuffers.size() >= mCacheCapacity) {
invalidateBufferCache();
}
BufferMapper *mapper = bm->map(*buffer);
if (!mapper) {
ELOGTRACE("failed to map buffer");
return NULL;
}
// add it to data buffers
ssize_t index = mDataBuffers.add(buffer->getKey(), mapper);
if (index < 0) {
ELOGTRACE("failed to add mapper");
bm->unmap(mapper);
return NULL;
}
return mapper;
}
bool DisplayPlane::reset()
{
// reclaim all allocated resources
if (mDataBuffers.size() > 0) {
invalidateBufferCache();
}
if (mActiveBuffers.size() > 0) {
invalidateActiveBuffers();
}
return true;
}
void DisplayPlane::deinitialize()
{
// invalidate cached data buffers
if (mDataBuffers.size()) {
// invalidateBufferCache will assert if object is not initialized
// so invoking it only there is buffer to invalidate.
invalidateBufferCache();
}
// invalidate active buffers
if (mActiveBuffers.size()) {
invalidateActiveBuffers();
}
mCurrentDataBuffer = 0;
mInitialized = false;
}
void OverlayPlaneBase::deinitialize()
{
if (mTTMBuffers.size()) {
invalidateBufferCache();
}
if (mActiveTTMBuffers.size() > 0) {
invalidateActiveTTMBuffers();
}
// delete back buffer
for (int i = 0; i < OVERLAY_BACK_BUFFER_COUNT; i++) {
if (mBackBuffer[i]) {
deleteBackBuffer(i);
mBackBuffer[i] = NULL;
}
}
DEINIT_AND_DELETE_OBJ(mWsbm);
DisplayPlane::deinitialize();
}
