/***

  Olive - Non-Linear Video Editor
  Copyright (C) 2019 Olive Team

  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.

***/

#include "openglworker.h"

#include "common/clamp.h"
#include "core.h"
#include "node/block/transition/transition.h"
#include "node/node.h"
#include "openglcolorprocessor.h"
#include "openglrenderfunctions.h"
#include "render/colormanager.h"
#include "render/pixelformat.h"

OLIVE_NAMESPACE_ENTER

OpenGLWorker::OpenGLWorker(VideoRenderFrameCache *frame_cache, OpenGLProxy *proxy, QObject *parent) :
  VideoRenderWorker(frame_cache, parent),
  proxy_(proxy)
{
}

NodeValue OpenGLWorker::FrameToValue(DecoderPtr decoder, StreamPtr stream, const TimeRange &range)
{
  FramePtr frame = decoder->RetrieveVideo(range.in(),
                                          video_params().divider(),
                                          video_params().mode() == RenderMode::kOffline);

  NodeValue value;

  if (frame) {
    QMetaObject::invokeMethod(proxy_,
                              "FrameToValue",
                              Qt::BlockingQueuedConnection,
                              OLIVE_NS_RETURN_ARG(NodeValue, value),
                              OLIVE_NS_ARG(FramePtr, frame),
                              OLIVE_NS_ARG(StreamPtr, stream));
  }

  return value;
}

void OpenGLWorker::RunNodeAccelerated(const Node *node, const TimeRange &range, NodeValueDatabase &input_params, NodeValueTable &output_params)
{
  QMetaObject::invokeMethod(proxy_,
                            "RunNodeAccelerated",
                            Qt::BlockingQueuedConnection,
                            OLIVE_NS_CONST_ARG(Node*, node),
                            OLIVE_NS_CONST_ARG(TimeRange&, range),
                            OLIVE_NS_ARG(NodeValueDatabase&, input_params),
                            OLIVE_NS_ARG(NodeValueTable&, output_params));
}

void OpenGLWorker::TextureToBuffer(const QVariant &tex_in, int width, int height, const QMatrix4x4& matrix, void *buffer, int linesize)
{
  QMetaObject::invokeMethod(proxy_,
                            "TextureToBuffer",
                            Qt::BlockingQueuedConnection,
                            Q_ARG(const QVariant&, tex_in),
                            Q_ARG(int, width),
                            Q_ARG(int, height),
                            Q_ARG(const QMatrix4x4&, matrix),
                            Q_ARG(void*, buffer),
                            Q_ARG(int, linesize));
}

OLIVE_NAMESPACE_EXIT