2 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali/internal/update/common/scene-graph-buffers.h>
27 BufferIndex SceneGraphBuffers::INITIAL_EVENT_BUFFER_INDEX = 0u;
28 BufferIndex SceneGraphBuffers::INITIAL_UPDATE_BUFFER_INDEX = 1u;
30 SceneGraphBuffers::SceneGraphBuffers()
31 : mEventBufferIndex(INITIAL_EVENT_BUFFER_INDEX),
32 mUpdateBufferIndex(INITIAL_UPDATE_BUFFER_INDEX)
36 SceneGraphBuffers::~SceneGraphBuffers() = default;
38 void SceneGraphBuffers::Swap()
40 mUpdateBufferIndex = __sync_fetch_and_xor(&mEventBufferIndex, 1);
43 } // namespace SceneGraph
45 } // namespace Internal