onQueuingDone()

bool fl::RectangularDrawBuffer::onQueuingDone

(

)

Definition at line 49 of file rectangular_draw_buffer.cpp.

                                          {
    if (mQueueState == QUEUE_DONE) {
        return false;
    }
    mQueueState = QUEUE_DONE;
    mDrawListChangedThisFrame = mDrawList != mPrevDrawList;
    // iterator through the current draw objects and calculate the total
    // number of bytes (representing RGB or RGBW) that will be drawn this frame.
    uint32_t total_bytes = 0;
    uint32_t max_bytes_in_strip = 0;
    uint32_t num_strips = 0;
    getBlockInfo(&num_strips, &max_bytes_in_strip, &total_bytes);
    if (total_bytes > mAllLedsBufferUint8Size) {
        uint8_t *old_ptr = mAllLedsBufferUint8.release();
        fl::LargeBlockAllocator<uint8_t>::Free(old_ptr);
        uint8_t *ptr = fl::LargeBlockAllocator<uint8_t>::Alloc(total_bytes);
        mAllLedsBufferUint8.reset(ptr);
    }
    mAllLedsBufferUint8Size = total_bytes;
    uint32_t offset = 0;
    for (auto it = mDrawList.begin(); it != mDrawList.end(); ++it) {
        uint8_t pin = it->mPin;
        Slice<uint8_t> slice(mAllLedsBufferUint8.get() + offset,
                             max_bytes_in_strip);
        mPinToLedSegment[pin] = slice;
        offset += max_bytes_in_strip;
    }
    return true;
}

References fl::LargeBlockAllocator< T >::Alloc(), fl::LargeBlockAllocator< T >::Free(), getBlockInfo(), mAllLedsBufferUint8, mAllLedsBufferUint8Size, mDrawList, mDrawListChangedThisFrame, mPinToLedSegment, mPrevDrawList, mQueueState, offset(), and QUEUE_DONE.

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