Function GetVariants

qrenderdoc/Code/BufferFormatter.cpp:3389–3822

}

QVariantList GetVariants(ResourceFormat format, const ShaderConstant &var, const byte *&data,
                         const byte *end)
{
  const ShaderConstantType &varType = var.type;

  QVariantList ret;

  bool ok = true;

  if(format.type == ResourceFormatType::R5G5B5A1)
  {
    uint16_t packed = readObj<uint16_t>(data, end, ok);

    ret.push_back((float)((packed >> 0) & 0x1f) / 31.0f);
    ret.push_back((float)((packed >> 5) & 0x1f) / 31.0f);
    ret.push_back((float)((packed >> 10) & 0x1f) / 31.0f);
    ret.push_back(((packed & 0x8000) > 0) ? 1.0f : 0.0f);

    if(format.BGRAOrder())
    {
      QVariant tmp = ret[2];
      ret[2] = ret[0];
      ret[0] = tmp;
    }
  }
  else if(format.type == ResourceFormatType::R5G6B5)
  {
    uint16_t packed = readObj<uint16_t>(data, end, ok);

    ret.push_back((float)((packed >> 0) & 0x1f) / 31.0f);
    ret.push_back((float)((packed >> 5) & 0x3f) / 63.0f);
    ret.push_back((float)((packed >> 11) & 0x1f) / 31.0f);

    if(format.BGRAOrder())
    {
      QVariant tmp = ret[2];
      ret[2] = ret[0];
      ret[0] = tmp;
    }
  }
  else if(format.type == ResourceFormatType::R4G4B4A4)
  {
    uint16_t packed = readObj<uint16_t>(data, end, ok);

    ret.push_back((float)((packed >> 0) & 0xf) / 15.0f);
    ret.push_back((float)((packed >> 4) & 0xf) / 15.0f);
    ret.push_back((float)((packed >> 8) & 0xf) / 15.0f);
    ret.push_back((float)((packed >> 12) & 0xf) / 15.0f);

    if(format.BGRAOrder())
    {
      QVariant tmp = ret[2];
      ret[2] = ret[0];
      ret[0] = tmp;
    }
  }
  else if(format.type == ResourceFormatType::R10G10B10A2)
  {