// Glew include

#include <gl glew.h=""></gl>

// TnzCore includes

#include "tstream.h"

#include "tmsgcore.h"

// Qt includes

#include <qopenglshaderprogram></qopenglshaderprogram>

#include <qopenglshader></qopenglshader>

#include <qdir></qdir>

#include "stdfx/shaderinterface.h"

//=========================================================

PERSIST_IDENTIFIER(ShaderInterface, "ShaderInterface")

PERSIST_IDENTIFIER(ShaderInterface::ParameterConcept,

                   "ShaderInterface::ParameterConcept")

PERSIST_IDENTIFIER(ShaderInterface::Parameter, "ShaderInterface::Parameter")

PERSIST_IDENTIFIER(ShaderInterface::ShaderData, "ShaderInterface::ShaderData")

//**********************************************************************

//    Local Namespace stuff

//**********************************************************************

namespace {

// Filescope declarations

typedef std::pair<qopenglshaderprogram *,="" qdatetime=""> CompiledShader;</qopenglshaderprogram>

struct CaselessCompare {

  const QString &m_str;

  CaselessCompare(const QString &str) : m_str(str) {}

  bool operator()(const QString &str) const {

    return (m_str.compare(str, Qt::CaseInsensitive) == 0);

  }

};

// Filescope variables

const static QString l_typeNames[ShaderInterface::TYPESCOUNT] = {

    "",    "bool",  "float", "vec2",  "vec3", "vec4",

    "int", "ivec2", "ivec3", "ivec4", "rgba", "rgb"};

const static QString l_conceptNames[ShaderInterface::CONCEPTSCOUNT] = {

    "none",      "percent",  "length",   "angle",    "point",

    "radius_ui", "width_ui", "angle_ui", "point_ui", "xy_ui",

    "vector_ui", "polar_ui", "size_ui",  "quad_ui",  "rect_ui"};

const static QString l_hwtNames[ShaderInterface::HWTCOUNT] = {"none", "any",

                                                              "isotropic"};

enum Names {

  MAIN_PROGRAM,

  INPUT_PORTS,

  INPUT_PORT,

  PORTS_PROGRAM,

  PARAMETERS,

  PARAMETER,

  NAME,

  PROGRAM_FILE,

  CONCEPT,

  DEFAULT_,

  RANGE,

  HANDLED_WORLD_TRANSFORMS,

  BBOX_PROGRAM,

  NAMESCOUNT

};

const static std::string l_names[NAMESCOUNT] = {

    "MainProgram", "InputPorts", "InputPort", "PortsProgram",

    "Parameters",  "Parameter",  "Name",      "ProgramFile",

    "Concept",     "Default",    "Range",     "HandledWorldTransforms",

    "BBoxProgram"};

// Filescope functions

inline bool loadShader(QOpenGLShader::ShaderType type, const TFilePath &fp,

                       CompiledShader &cs) {

  QOpenGLShader *shader = new QOpenGLShader(type, cs.first);

  const QString &qfp = QString::fromStdWString(fp.getWideString());

  QFileInfo shaderFileInfo(qfp);

  cs.second = shaderFileInfo.lastModified();

  return shader->compileSourceFile(qfp) && cs.first->addShader(shader);

}

void dumpError(TIStream &is, const std::wstring &err = std::wstring()) {

  DVGui::info("Error reading " +

              QString::fromStdWString(is.getFilePath().getLevelNameW()) +

              " (line " + QString::number(is.getLine()) + ")" +

              (err.empty() ? QString() : QString::fromStdWString(L": " + err)));

}

void skipTag(TIStream &is, const std::string &tagName) {

  DVGui::info("Error reading " +

              QString::fromStdWString(is.getFilePath().getLevelNameW()) +

              " (line " + QString::number(is.getLine()) + "): Unknown tag '<" +

              QString::fromStdString(tagName) + ">'");

  is.skipCurrentTag();

}

}  // namespace

//**********************************************************************

//    ShaderInterface  implementation

//**********************************************************************

ShaderInterface::ShaderInterface() : m_hwt(ANY) {}

//---------------------------------------------------------

void ShaderInterface::clear() {

  m_mainShader = m_portsShader = ShaderData();

  m_parameters.clear();

}

//---------------------------------------------------------

bool ShaderInterface::isValid() const { return m_mainShader.isValid(); }

//---------------------------------------------------------

const std::vector<shaderinterface::parameter> &ShaderInterface::parameters()</shaderinterface::parameter>

    const {

  return m_parameters;

}

//---------------------------------------------------------

const std::vector<qstring> &ShaderInterface::inputPorts() const {</qstring>

  return m_ports;

}

//---------------------------------------------------------

const ShaderInterface::ShaderData &ShaderInterface::mainShader() const {

  return m_mainShader;

}

//---------------------------------------------------------

const ShaderInterface::ShaderData &ShaderInterface::inputPortsShader() const {

  return m_portsShader;

}

//---------------------------------------------------------

const ShaderInterface::ShaderData &ShaderInterface::bboxShader() const {

  return m_bboxShader;

}

//---------------------------------------------------------

ShaderInterface::HandledWorldTransformsType ShaderInterface::hwtType() const {

  return m_hwt;

}

//---------------------------------------------------------

std::pair<qopenglshaderprogram *,="" qdatetime=""> ShaderInterface::makeProgram(</qopenglshaderprogram>

    const ShaderData &sd, int varyingsCount,

    const GLchar **varyingNames) const {

  CompiledShader result;

  if (!isValid()) return result;

  result.first = new QOpenGLShaderProgram;

  ::loadShader(sd.m_type, sd.m_path, result);

  if (varyingsCount > 0)

    glTransformFeedbackVaryings(result.first->programId(), varyingsCount,

                                varyingNames, GL_INTERLEAVED_ATTRIBS);

  // NOTE: Since we'll be drawing a single vertex, GL_INTERLEAVED_ATTRIBS is

  // less restrictive than GL_SEPARATE_ATTRIBS.

  result.first->link();

  return result;

}

//---------------------------------------------------------

void ShaderInterface::saveData(TOStream &os) {

  struct locals {

    inline static TFilePath getRelativePath(const TFilePath &file,

                                            const TFilePath &relTo) {

      QDir relToDir(

          QString::fromStdWString(relTo.getParentDir().getWideString()));

      QString relFileStr(relToDir.relativeFilePath(

          QString::fromStdWString(file.getWideString())));

      return TFilePath(relFileStr.toStdWString());

    }

  };

  assert(isValid());

  if (isValid()) {

    os.openChild(l_names[MAIN_PROGRAM]);

    os << m_mainShader;

    os.closeChild();

    os.openChild(l_names[INPUT_PORTS]);

    {

      int i, iCount = int(m_ports.size());

      for (i = 0; i != iCount; ++i) {

        os.openChild(l_names[INPUT_PORT]);

        os << m_ports[i];

        os.closeChild();

      }

      if (m_portsShader.isValid()) {

        os.openChild(l_names[PORTS_PROGRAM]);

        os << m_portsShader;

        os.closeChild();

      }

    }

    os.closeChild();

    if (m_bboxShader.isValid()) {

      os.openChild(l_names[BBOX_PROGRAM]);

      os << m_bboxShader;

      os.closeChild();

    }

    if (m_hwt != ANY) {

      os.openChild(l_names[HANDLED_WORLD_TRANSFORMS]);

      os << l_names[m_hwt];

      os.closeChild();

    }

    os.openChild(l_names[PARAMETERS]);

    {

      int p, pCount = int(m_parameters.size());

      for (p = 0; p != pCount; ++p) {

        os.openChild(l_names[PARAMETER]);

        os << m_parameters[p];

        os.closeChild();

      }

    }

    os.closeChild();

  }

}

//---------------------------------------------------------

void ShaderInterface::loadData(TIStream &is) {

  struct locals {

    inline static TFilePath getAbsolutePath(const TFilePath &file,

                                            const TFilePath &relTo) {

      QDir relToDir(

          QString::fromStdWString(relTo.getParentDir().getWideString()));

      QString absFileStr(relToDir.absoluteFilePath(

          QString::fromStdWString(file.getWideString())));

      return TFilePath(absFileStr.toStdWString());

    }

    static bool nameMatch(const QString &name, const Parameter ¶m) {

      return (name == param.m_name);

    }

  };

  std::string tagName;

  try {

    while (is.openChild(tagName)) {

      if (tagName == l_names[MAIN_PROGRAM]) {

        is >> m_mainShader;

        m_mainShader.m_type = QOpenGLShader::Fragment;

        is.closeChild();

      } else if (tagName == l_names[INPUT_PORTS]) {

        while (is.openChild(tagName)) {

          if (tagName == l_names[INPUT_PORT]) {

            QString portName;

            is >> portName;

            m_ports.push_back(portName);

            is.closeChild();

          } else if (tagName == l_names[PORTS_PROGRAM]) {

            is >> m_portsShader;

            m_portsShader.m_type = QOpenGLShader::Vertex;

            is.closeChild();

          } else

            ::skipTag(is, tagName);

        }

        is.closeChild();

      } else if (tagName == l_names[BBOX_PROGRAM]) {

        is >> m_bboxShader;

        m_bboxShader.m_type = QOpenGLShader::Vertex;

        is.closeChild();

      } else if (tagName == l_names[HANDLED_WORLD_TRANSFORMS]) {

        QString hwtName;

        is >> hwtName;

        m_hwt = HandledWorldTransformsType(

            std::find_if(l_hwtNames, l_hwtNames + HWTCOUNT,

                         ::CaselessCompare(hwtName)) -

            l_hwtNames);

        if (m_hwt == HWTCOUNT) {

          m_hwt = HWT_UNKNOWN;

          ::dumpError(is, L"Unrecognized HandledWorldTransforms type '" +

                              hwtName.toStdWString() + L"'");

        }

        is.closeChild();

      } else if (tagName == l_names[PARAMETERS]) {

        while (is.openChild(tagName)) {

          if (tagName == l_names[PARAMETER]) {

            Parameter param;

            is >> param;

            m_parameters.push_back(param);

            is.closeChild();

          } else

            ::skipTag(is, tagName);

        }

        is.closeChild();

      } else if (tagName == l_names[CONCEPT]) {

        ParameterConcept concept;

        is >> concept;

        m_parConcepts.push_back(concept);

        is.closeChild();

      } else

        ::skipTag(is, tagName);

    };

  } catch (const TException &e) {

    ::dumpError(is, e.getMessage());

    clear();

  } catch (...) {

    ::dumpError(is);

    clear();

  }

}

//**********************************************************************

//    ShaderInterface::ShaderData  implementation

//**********************************************************************

void ShaderInterface::ShaderData::saveData(TOStream &os) {

  struct locals {

    inline static TFilePath getRelativePath(const TFilePath &file,

                                            const TFilePath &relTo) {

      QDir relToDir(

          QString::fromStdWString(relTo.getParentDir().getWideString()));

      QString relFileStr(relToDir.relativeFilePath(

          QString::fromStdWString(file.getWideString())));

      return TFilePath(relFileStr.toStdWString());

    }

  };

  os.openChild(l_names[NAME]);

  os << m_name;

  os.closeChild();

  os.openChild(l_names[PROGRAM_FILE]);

  os << locals::getRelativePath(m_path, os.getFilePath());

  os.closeChild();

}

//---------------------------------------------------------

void ShaderInterface::ShaderData::loadData(TIStream &is) {

  struct locals {

    inline static TFilePath getAbsolutePath(const TFilePath &file,

                                            const TFilePath &relTo) {

      QDir relToDir(

          QString::fromStdWString(relTo.getParentDir().getWideString()));

      QString absFileStr(relToDir.absoluteFilePath(

          QString::fromStdWString(file.getWideString())));

      return TFilePath(absFileStr.toStdWString());

    }

  };

  std::string tagName;

  while (is.openChild(tagName)) {

    if (tagName == l_names[NAME])

      is >> m_name, is.closeChild();

    else if (tagName == l_names[PROGRAM_FILE]) {

      is >> m_path;

      m_path = locals::getAbsolutePath(m_path, is.getFilePath());

      is.closeChild();

    } else

      ::skipTag(is, tagName);

  }

}

//**********************************************************************

//    ShaderInterface::ParameterConcept  implementation

//**********************************************************************

void ShaderInterface::ParameterConcept::saveData(TOStream &os) {

  os << l_conceptNames[m_type];

  if (!m_label.isEmpty()) {

    os.openChild(l_names[NAME]);

    os << m_label;

    os.closeChild();

  }

  int n, nCount = int(m_parameterNames.size());

  for (n = 0; n != nCount; ++n) {

    os.openChild(l_names[PARAMETER]);

    os << m_parameterNames[n];

    os.closeChild();

  }

}

//---------------------------------------------------------

void ShaderInterface::ParameterConcept::loadData(TIStream &is) {

  // Read the concept type

  QString conceptName;

  is >> conceptName;

  m_type = ParameterConceptType(std::find_if(l_conceptNames,

                                             l_conceptNames + CONCEPTSCOUNT,

                                             ::CaselessCompare(conceptName)) -

                                l_conceptNames);

  if (m_type == CONCEPTSCOUNT) {

    m_type = CONCEPT_NONE;

    ::dumpError(

        is, L"Unrecognized concept type '" + conceptName.toStdWString() + L"'");

  }

  // Read any associated parameter names

  std::string tagName;

  while (is.openChild(tagName)) {

    if (tagName == l_names[PARAMETER]) {

      QString name;

      is >> name;

      m_parameterNames.push_back(name);

      is.closeChild();

    } else if (tagName == l_names[NAME])

      is >> m_label, is.closeChild();

    else

      ::skipTag(is, tagName);

  }

}

//**********************************************************************

//    ShaderInterface::Parameter  implementation

//**********************************************************************

void ShaderInterface::Parameter::saveData(TOStream &os) {

  os << l_typeNames[m_type] << m_name;

  os.openChild(l_names[CONCEPT]);

  os << m_concept;

  os.closeChild();

  os.openChild(l_names[DEFAULT_]);

  switch (m_type) {

  case BOOL:

    os << (int)m_default.m_bool;

    break;

  case FLOAT:

    os << (double)m_default.m_float;

    break;

  case VEC2:

    os << (double)m_default.m_vec2[0] << (double)m_default.m_vec2[1];

    break;

  case VEC3:

    os << (double)m_default.m_vec3[0] << (double)m_default.m_vec3[1]

       << (double)m_default.m_vec3[2];

    break;

  case VEC4:

    os << (double)m_default.m_vec4[0] << (double)m_default.m_vec4[1]

       << (double)m_default.m_vec4[2] << (double)m_default.m_vec4[3];

    break;

  case INT:

    os << m_default.m_int;

    break;

  case IVEC2:

    os << m_default.m_ivec2[0] << m_default.m_ivec2[1];

    break;

  case IVEC3:

    os << m_default.m_ivec3[0] << m_default.m_ivec3[1] << m_default.m_ivec3[2];

    break;

  case IVEC4:

    os << m_default.m_ivec4[0] << m_default.m_ivec4[1] << m_default.m_ivec4[2]

       << m_default.m_ivec4[3];

    break;

  case RGBA:

    os << (int)m_default.m_rgba[0] << (int)m_default.m_rgba[1]

       << (int)m_default.m_rgba[2] << (int)m_default.m_rgba[3];

    break;

  case RGB:

    os << (int)m_default.m_rgb[0] << (int)m_default.m_rgb[1]

       << (int)m_default.m_rgb[2];

    break;

  }

  os.closeChild();

  os.openChild(l_names[RANGE]);

  switch (m_type) {

  case FLOAT:

    os << (double)m_range[0].m_float << (double)m_range[1].m_float;

    break;

  case VEC2:

    os << (double)m_range[0].m_vec2[0] << (double)m_range[1].m_vec2[0]

       << (double)m_range[0].m_vec2[1] << (double)m_range[1].m_vec2[1];

    break;

  case VEC3:

    os << (double)m_range[0].m_vec3[0] << (double)m_range[1].m_vec3[0]

       << (double)m_range[0].m_vec3[1] << (double)m_range[1].m_vec3[1]

       << (double)m_range[0].m_vec3[2] << (double)m_range[1].m_vec3[2];

    break;

  case VEC4:

    os << (double)m_range[0].m_vec4[0] << (double)m_range[1].m_vec4[0]

       << (double)m_range[0].m_vec4[1] << (double)m_range[1].m_vec4[1]

       << (double)m_range[0].m_vec4[2] << (double)m_range[1].m_vec4[2]

       << (double)m_range[0].m_vec4[3] << (double)m_range[1].m_vec4[3];

    break;

  case INT:

    os << m_range[0].m_int << m_range[1].m_int;

    break;

  case IVEC2:

    os << m_range[0].m_ivec2[0] << m_range[1].m_ivec2[0]

       << m_range[0].m_ivec2[1] << m_range[1].m_ivec2[1];

    break;

  case IVEC3:

    os << m_range[0].m_ivec3[0] << m_range[1].m_ivec3[0]

       << m_range[0].m_ivec3[1] << m_range[1].m_ivec3[1]

       << m_range[0].m_ivec3[2] << m_range[1].m_ivec3[2];

    break;

  case IVEC4:

    os << m_range[0].m_ivec4[0] << m_range[1].m_ivec4[0]

       << m_range[0].m_ivec4[1] << m_range[1].m_ivec4[1]

       << m_range[0].m_ivec4[2] << m_range[1].m_ivec4[2]

       << m_range[0].m_ivec4[3] << m_range[1].m_ivec4[3];

    break;

  }

  os.closeChild();

}

//---------------------------------------------------------

void ShaderInterface::Parameter::loadData(TIStream &is) {

  // Load type and name

  QString typeName;

  is >> typeName >> m_name;

  m_type = ShaderInterface::ParameterType(

      std::find_if(l_typeNames, l_typeNames + TYPESCOUNT,

                   ::CaselessCompare(typeName)) -

      l_typeNames);

  if (m_type == TYPESCOUNT)

    throw TException(L"Unrecognized parameter type '" +

                     typeName.toStdWString() + L"'");

  // Load range

  std::string tagName;

  // Initialize default values

  m_concept = ParameterConcept();

  switch (m_type) {

  case BOOL:

    m_default.m_bool = false;

    break;

  case FLOAT:

    m_default.m_float  = 0.0;

    m_range[0].m_float = -(std::numeric_limits<glfloat>::max)();</glfloat>

    m_range[1].m_float = (std::numeric_limits<glfloat>::max)();</glfloat>

    break;

  case VEC2:

    m_default.m_vec2[0] = m_default.m_vec2[1] = 0.0;

    m_range[0].m_vec2[0]                      = m_range[0].m_vec2[1] =

        -(std::numeric_limits<glfloat>::max)();</glfloat>

    m_range[1].m_vec2[0] = m_range[1].m_vec2[1] =

        (std::numeric_limits<glfloat>::max)();</glfloat>

    break;

  case VEC3:

    m_default.m_vec3[0] = m_default.m_vec3[1] = m_default.m_vec3[1] = 0.0;

    m_range[0].m_vec3[0] = m_range[0].m_vec3[1] = m_range[0].m_vec3[2] =

        -(std::numeric_limits<glfloat>::max)();</glfloat>

    m_range[1].m_vec3[0] = m_range[1].m_vec3[1] = m_range[1].m_vec3[2] =

        (std::numeric_limits<glfloat>::max)();</glfloat>

    break;

  case VEC4:

    m_default.m_vec4[0] = m_default.m_vec4[1] = m_default.m_vec4[1] =

        m_default.m_vec4[1]                   = 0.0;

    m_range[0].m_vec4[0] = m_range[0].m_vec4[1] = m_range[0].m_vec4[2] =

        m_range[0].m_vec4[3] = -(std::numeric_limits<glfloat>::max)();</glfloat>

    m_range[1].m_vec4[0] = m_range[1].m_vec4[1] = m_range[1].m_vec4[2] =

        m_range[1].m_vec4[3] = (std::numeric_limits<glfloat>::max)();</glfloat>

    break;

  case INT:

    m_default.m_int  = 0;

    m_range[0].m_int = -(std::numeric_limits<glint>::max)();</glint>

    m_range[1].m_int = (std::numeric_limits<glint>::max)();</glint>

    break;

  case IVEC2:

    m_default.m_ivec2[0] = m_default.m_ivec2[1] = 0;

    m_range[0].m_ivec2[0]                       = m_range[0].m_ivec2[1] =

        -(std::numeric_limits<glint>::max)();</glint>

    m_range[1].m_ivec2[0] = m_range[1].m_ivec2[1] =

        (std::numeric_limits<glint>::max)();</glint>

    break;

  case IVEC3:

    m_default.m_ivec3[0] = m_default.m_ivec3[1] = m_default.m_ivec3[1] = 0;

    m_range[0].m_ivec3[0] = m_range[0].m_ivec3[1] = m_range[0].m_ivec3[2] =

        -(std::numeric_limits<glint>::max)();</glint>

    m_range[1].m_ivec3[0] = m_range[1].m_ivec3[1] = m_range[1].m_ivec3[2] =

        (std::numeric_limits<glint>::max)();</glint>

    break;

  case IVEC4:

    m_default.m_ivec4[0] = m_default.m_ivec4[1] = m_default.m_ivec4[1] =

        m_default.m_ivec4[1]                    = 0;

    m_range[0].m_ivec4[0] = m_range[0].m_ivec4[1] = m_range[0].m_ivec4[2] =

        m_range[0].m_ivec4[3] = -(std::numeric_limits<glint>::max)();</glint>

    m_range[1].m_ivec4[0] = m_range[1].m_ivec4[1] = m_range[1].m_ivec4[2] =

        m_range[1].m_ivec4[3] = (std::numeric_limits<glint>::max)();</glint>

    break;

  case RGBA:

    m_default.m_rgba[0] = m_default.m_rgba[1] = m_default.m_rgba[2] =

        m_default.m_rgba[3]                   = 255;

    break;

  case RGB:

    m_default.m_rgb[0] = m_default.m_rgb[1] = m_default.m_rgb[2] = 255;

    break;

  }

  // Attempt loading range from file

  while (is.openChild(tagName)) {

    if (tagName == l_names[CONCEPT])

      is >> m_concept, is.closeChild();

    else if (tagName == l_names[DEFAULT_]) {

      switch (m_type) {

      case BOOL: {

        int val;

        is >> val, m_default.m_bool = val;

        break;

      }

      case FLOAT: {

        double val;

        is >> val, m_default.m_float = val;

        break;

      }

      case VEC2: {

        double val;

        is >> val, m_default.m_vec2[0] = val;

        is >> val, m_default.m_vec2[1] = val;

        break;

      }

      case VEC3: {

        double val;

        is >> val, m_default.m_vec3[0] = val;

        is >> val, m_default.m_vec3[1] = val;

        is >> val, m_default.m_vec3[2] = val;

        break;

      }

      case VEC4: {

        double val;

        is >> val, m_default.m_vec4[0] = val;

        is >> val, m_default.m_vec4[1] = val;

        is >> val, m_default.m_vec4[2] = val;

        is >> val, m_default.m_vec4[3] = val;

        break;

      }

      case INT:

        is >> m_default.m_int;

        break;

      case IVEC2:

        is >> m_default.m_ivec2[0] >> m_default.m_ivec2[1];

        break;

      case IVEC3:

        is >> m_default.m_ivec3[0] >> m_default.m_ivec3[1] >>

            m_default.m_ivec3[2];

        break;

      case IVEC4:

        is >> m_default.m_ivec4[0] >> m_default.m_ivec4[1] >>

            m_default.m_ivec4[2] >> m_default.m_ivec4[3];

        break;

      case RGBA: {

        int val;

        is >> val, m_default.m_rgba[0] = val;

        is >> val, m_default.m_rgba[1] = val;

        is >> val, m_default.m_rgba[2] = val;

        is >> val, m_default.m_rgba[3] = val;

        break;

      }

      case RGB: {

        int val;

        is >> val, m_default.m_rgb[0] = val;

        is >> val, m_default.m_rgb[1] = val;

        is >> val, m_default.m_rgb[2] = val;

        break;

      }

      }

      is.closeChild();

    } else if (tagName == l_names[RANGE]) {

      switch (m_type) {

      case FLOAT: {

        double val;

        is >> val, m_range[0].m_float = val;

        is >> val, m_range[1].m_float = val;

        break;

      }

      case VEC2: {

        double val;

        is >> val, m_range[0].m_vec2[0] = val;

        is >> val, m_range[1].m_vec2[0] = val;

        is >> val, m_range[0].m_vec2[1] = val;

        is >> val, m_range[1].m_vec2[1] = val;

        break;

      }

      case VEC3: {

        double val;

        is >> val, m_range[0].m_vec3[0] = val;

        is >> val, m_range[1].m_vec3[0] = val;

        is >> val, m_range[0].m_vec3[1] = val;

        is >> val, m_range[1].m_vec3[1] = val;

        is >> val, m_range[0].m_vec3[2] = val;

        is >> val, m_range[1].m_vec3[2] = val;

        break;

      }

      case VEC4: {

        double val;

        is >> val, m_range[0].m_vec4[0] = val;

        is >> val, m_range[1].m_vec4[0] = val;

        is >> val, m_range[0].m_vec4[1] = val;

        is >> val, m_range[1].m_vec4[1] = val;

        is >> val, m_range[0].m_vec4[2] = val;

        is >> val, m_range[1].m_vec4[2] = val;

        is >> val, m_range[0].m_vec4[3] = val;

        is >> val, m_range[1].m_vec4[3] = val;

        break;

      }

      case INT:

        is >> m_range[0].m_int >> m_range[1].m_int;

        break;

      case IVEC2:

        is >> m_range[0].m_ivec2[0] >> m_range[1].m_ivec2[0] >>

            m_range[0].m_ivec2[1] >> m_range[1].m_ivec2[1];

        break;

      case IVEC3:

        is >> m_range[0].m_ivec3[0] >> m_range[1].m_ivec3[0] >>

            m_range[0].m_ivec3[1] >> m_range[1].m_ivec3[1] >>

            m_range[0].m_ivec3[2] >> m_range[1].m_ivec3[2];

        break;

      case IVEC4:

        is >> m_range[0].m_ivec4[0] >> m_range[1].m_ivec4[0] >>

            m_range[0].m_ivec4[1] >> m_range[1].m_ivec4[1] >>

            m_range[0].m_ivec4[2] >> m_range[1].m_ivec4[2] >>

            m_range[0].m_ivec4[3] >> m_range[1].m_ivec4[3];

        break;

      }

      is.closeChild();

    } else

      ::skipTag(is, tagName);

  }

  // Post-process loaded data

  if (m_concept.m_label.isEmpty()) m_concept.m_label = m_name;

}