char const * glloader_get_feature_name(int index)
{
if ((index >= 0) && (index < glloader_num_features()))
{
return glloader::gl_features_extractor::instance().feature_name(index);
}
else
{
return NULL;
}
}
void OGLESRenderEngine::GetCustomAttrib(std::string const & name, void* value)
{
if ("VENDOR" == name)
{
char const * str = reinterpret_cast<char const *>(glGetString(GL_VENDOR));
if (str)
{
*static_cast<std::string*>(value) = str;
}
else
{
static_cast<std::string*>(value)->clear();
}
}
if ("RENDERER" == name)
{
char const * str = reinterpret_cast<char const *>(glGetString(GL_RENDERER));
if (str)
{
*static_cast<std::string*>(value) = str;
}
else
{
static_cast<std::string*>(value)->clear();
}
}
if ("VERSION" == name)
{
char const * str = reinterpret_cast<char const *>(glGetString(GL_VERSION));
if (str)
{
*static_cast<std::string*>(value) = str;
}
else
{
static_cast<std::string*>(value)->clear();
}
}
if ("SHADING_LANGUAGE_VERSION" == name)
{
char const * str = reinterpret_cast<char const *>(glGetString(GL_SHADING_LANGUAGE_VERSION));
if (str)
{
*static_cast<std::string*>(value) = str;
}
else
{
static_cast<std::string*>(value)->clear();
}
}
if ("NUM_FEATURES" == name)
{
*static_cast<int*>(value) = glloader_num_features();
}
if (0 == name.find("FEATURE_NAME_"))
{
std::istringstream iss(name.substr(13));
int n;
iss >> n;
*static_cast<std::string*>(value) = glloader_get_feature_name(n);
}
