/* * Copyright (C) 2017 Metrological Group B.V. * Copyright (C) 2017 Igalia S.L. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "NicosiaBuffer.h" #include <wtf/FastMalloc.h> namespace Nicosia { Ref<Buffer> Buffer::create(const WebCore::IntSize& size, Flags flags) { return adoptRef(*new Buffer(size, flags)); } Buffer::Buffer(const WebCore::IntSize& size, Flags flags) : m_size(size) , m_flags(flags) { auto checkedArea = size.area() * 4; m_data = MallocPtr<unsigned char>::tryZeroedMalloc(checkedArea.unsafeGet()); } Buffer::~Buffer() = default; void Buffer::beginPainting() { LockHolder locker(m_painting.lock); ASSERT(m_painting.state == PaintingState::Complete); m_painting.state = PaintingState::InProgress; } void Buffer::completePainting() { LockHolder locker(m_painting.lock); ASSERT(m_painting.state == PaintingState::InProgress); m_painting.state = PaintingState::Complete; m_painting.condition.notifyOne(); } void Buffer::waitUntilPaintingComplete() { LockHolder locker(m_painting.lock); m_painting.condition.wait(m_painting.lock, [this] { return m_painting.state == PaintingState::Complete; }); } } // namespace Nicosia