/*
 * 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 2
 * 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, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * Copyright 2011, Blender Foundation.
 */

#include "COM_SocketProxyNode.h"
#include "COM_SocketProxyOperation.h"
#include "COM_ExecutionSystem.h"
#include "COM_SetValueOperation.h"
#include "COM_SetVectorOperation.h"
#include "COM_SetColorOperation.h"
#include "COM_WriteBufferOperation.h"
#include "COM_ReadBufferOperation.h"

SocketProxyNode::SocketProxyNode(bNode *editorNode,
                                 bNodeSocket *editorInput,
                                 bNodeSocket *editorOutput,
                                 bool use_conversion)
    : Node(editorNode, false), m_use_conversion(use_conversion)
{
  DataType dt;

  dt = COM_DT_VALUE;
  if (editorInput->type == SOCK_RGBA) {
    dt = COM_DT_COLOR;
  }
  if (editorInput->type == SOCK_VECTOR) {
    dt = COM_DT_VECTOR;
  }
  this->addInputSocket(dt, editorInput);

  dt = COM_DT_VALUE;
  if (editorOutput->type == SOCK_RGBA) {
    dt = COM_DT_COLOR;
  }
  if (editorOutput->type == SOCK_VECTOR) {
    dt = COM_DT_VECTOR;
  }
  this->addOutputSocket(dt, editorOutput);
}

void SocketProxyNode::convertToOperations(NodeConverter &converter,
                                          const CompositorContext & /*context*/) const
{
  NodeOperationOutput *proxy_output = converter.addInputProxy(getInputSocket(0), m_use_conversion);
  converter.mapOutputSocket(getOutputSocket(), proxy_output);
}

SocketBufferNode::SocketBufferNode(bNode *editorNode,
                                   bNodeSocket *editorInput,
                                   bNodeSocket *editorOutput)
    : Node(editorNode, false)
{
  DataType dt;

  dt = COM_DT_VALUE;
  if (editorInput->type == SOCK_RGBA) {
    dt = COM_DT_COLOR;
  }
  if (editorInput->type == SOCK_VECTOR) {
    dt = COM_DT_VECTOR;
  }
  this->addInputSocket(dt, editorInput);

  dt = COM_DT_VALUE;
  if (editorOutput->type == SOCK_RGBA) {
    dt = COM_DT_COLOR;
  }
  if (editorOutput->type == SOCK_VECTOR) {
    dt = COM_DT_VECTOR;
  }
  this->addOutputSocket(dt, editorOutput);
}

void SocketBufferNode::convertToOperations(NodeConverter &converter,
                                           const CompositorContext & /*context*/) const
{
  NodeOutput *output = this->getOutputSocket(0);
  NodeInput *input = this->getInputSocket(0);

  DataType datatype = output->getDataType();
  WriteBufferOperation *writeOperation = new WriteBufferOperation(datatype);
  ReadBufferOperation *readOperation = new ReadBufferOperation(datatype);
  readOperation->setMemoryProxy(writeOperation->getMemoryProxy());
  converter.addOperation(writeOperation);
  converter.addOperation(readOperation);

  converter.mapInputSocket(input, writeOperation->getInputSocket(0));
  converter.mapOutputSocket(output, readOperation->getOutputSocket());
}
