void program::
link()
{
if(id_ != 0) clear();
id_ = glCreateProgram();
if(id_ != 0)
{
for(auto it(stages_.begin()) ; it != stages_.end() ; ++it)
{
stage* stage_ptr(it->get());
if(stage_ptr != nullptr)
{
GLuint stage_id(stage_ptr->compile());
if(stage_id != 0) glAttachShader(id_,stage_id);
}
}
glLinkProgram(id_);
clear_stages();
if(!link_feedback()) clear();
}
}
stage_ptr ministage::get_stage_ptr(ai_context &context)
{
if (stage_) {
return stage_;
}
std::vector<stage_ptr> stages;
engine::parse_stage_from_config(context,cfg_,std::back_inserter(stages));
if (stages.empty()) {
return stage_ptr();
}
stage_ = stages.front();
return stage_;
}
void engine_fai::do_parse_stage_from_config( ai_context &context, const config &cfg, std::back_insert_iterator<std::vector< stage_ptr > > b )
{
if (!cfg) {
return;
}
const std::string &name = cfg["name"];
stage_ptr st_ptr;
//dropped from 1.8, as it's not ready
//if (name=="rca_formulas") {
// st_ptr = stage_ptr(new stage_rca_formulas(context,cfg,formula_ai_));
if (name=="side_formulas") {
st_ptr = stage_ptr(new stage_side_formulas(context,cfg,formula_ai_));
} else if (name=="unit_formulas") {
st_ptr = stage_ptr(new stage_unit_formulas(context,cfg,formula_ai_));
} else {
ERR_AI_ENGINE_FAI << "unknown type of formula_ai stage: ["<< name <<"]"<<std::endl;
}
if (st_ptr) {
st_ptr->on_create();
*b = st_ptr;
}
}
void engine_lua::do_parse_stage_from_config( ai_context &context, const config &cfg, std::back_insert_iterator<std::vector< stage_ptr > > b )
{
if (!cfg) {
return;
}
if (!lua_ai_context_) {
return;
}
stage_ptr st_ptr = stage_ptr(new lua_stage_wrapper(context,cfg,*lua_ai_context_));
if (st_ptr) {
st_ptr->on_create();
*b = st_ptr;
}
}
void program::
clear_stages() const
{
for(auto it(stages_.begin()) ; it != stages_.end() ; ++it)
{
stage* stage_ptr(it->get());
if(stage_ptr != nullptr)
{
if(id_ != 0) glDetachShader(id_,stage_ptr->id());
stage_ptr->clear();
}
}
}
