void ShaderSource::insertSourceShader(const std::string &name_of_shader,
const std::string &filename, const std::string &program)
{
/*infostream<<"ShaderSource::insertSourceShader(): "
"name_of_shader=\""<<name_of_shader<<"\", "
"filename=\""<<filename<<"\""<<std::endl;*/
sanity_check(thr_is_current_thread(m_main_thread));
m_sourcecache.insert(name_of_shader, filename, program, true);
}
/*
This method generates all the shaders
*/
u32 ShaderSource::getShaderIdDirect(const std::string &name,
const u8 material_type, const u8 drawtype)
{
//infostream<<"getShaderIdDirect(): name=\""<<name<<"\""<<std::endl;
// Empty name means shader 0
if(name == ""){
infostream<<"getShaderIdDirect(): name is empty"<<std::endl;
return 0;
}
// Check if already have such instance
for(u32 i=0; i<m_shaderinfo_cache.size(); i++){
ShaderInfo *info = &m_shaderinfo_cache[i];
if(info->name == name && info->material_type == material_type &&
info->drawtype == drawtype)
return i;
}
/*
Calling only allowed from main thread
*/
if (!thr_is_current_thread(m_main_thread)) {
errorstream<<"ShaderSource::getShaderIdDirect() "
"called not from main thread"<<std::endl;
return 0;
}
ShaderInfo info = generate_shader(name, material_type, drawtype, m_device,
m_shader_callback, &m_sourcecache);
/*
Add shader to caches (add dummy shaders too)
*/
MutexAutoLock lock(m_shaderinfo_cache_mutex);
u32 id = m_shaderinfo_cache.size();
m_shaderinfo_cache.push_back(info);
infostream<<"getShaderIdDirect(): "
<<"Returning id="<<id<<" for name \""<<name<<"\""<<std::endl;
return id;
}
u32 ShaderSource::getShader(const std::string &name,
const u8 material_type, const u8 drawtype)
{
/*
Get shader
*/
if (thr_is_current_thread(m_main_thread)) {
return getShaderIdDirect(name, material_type, drawtype);
} else {
/*errorstream<<"getShader(): Queued: name=\""<<name<<"\""<<std::endl;*/
// We're gonna ask the result to be put into here
static ResultQueue<std::string, u32, u8, u8> result_queue;
// Throw a request in
m_get_shader_queue.add(name, 0, 0, &result_queue);
/* infostream<<"Waiting for shader from main thread, name=\""
<<name<<"\""<<std::endl;*/
while(true) {
GetResult<std::string, u32, u8, u8>
result = result_queue.pop_frontNoEx();
if (result.key == name) {
return result.item;
}
else {
errorstream << "Got shader with invalid name: " << result.key << std::endl;
}
}
}
infostream<<"getShader(): Failed"<<std::endl;
return 0;
}
ClientCached* getClientCached(const std::string &name,
IGameDef *gamedef) const
{
ClientCached *cc = NULL;
m_clientcached.get(name, &cc);
if(cc)
return cc;
if(thr_is_current_thread(m_main_thread))
{
return createClientCachedDirect(name, gamedef);
}
else
{
// We're gonna ask the result to be put into here
static ResultQueue<std::string, ClientCached*, u8, u8> result_queue;
// Throw a request in
m_get_clientcached_queue.add(name, 0, 0, &result_queue);
try{
while(true) {
// Wait result for a second
GetResult<std::string, ClientCached*, u8, u8>
result = result_queue.pop_front(1000);
if (result.key == name) {
return result.item;
}
}
}
catch(ItemNotFoundException &e)
{
errorstream<<"Waiting for clientcached " << name << " timed out."<<std::endl;
return &m_dummy_clientcached;
}
}
}
ClientCached* createClientCachedDirect(const std::string &name,
IGameDef *gamedef) const
{
infostream<<"Lazily creating item texture and mesh for \""
<<name<<"\""<<std::endl;
// This is not thread-safe
sanity_check(thr_is_current_thread(m_main_thread));
// Skip if already in cache
ClientCached *cc = NULL;
m_clientcached.get(name, &cc);
if(cc)
return cc;
ITextureSource *tsrc = gamedef->getTextureSource();
const ItemDefinition &def = get(name);
// Create new ClientCached
cc = new ClientCached();
// Create an inventory texture
cc->inventory_texture = NULL;
if(def.inventory_image != "")
cc->inventory_texture = tsrc->getTexture(def.inventory_image);
ItemStack item = ItemStack();
item.name = def.name;
scene::IMesh *mesh = getItemMesh(gamedef, item);
cc->wield_mesh = mesh;
// Put in cache
m_clientcached.set(name, cc);
return cc;
}
bool Thread::isCurrentThread()
{
return thr_is_current_thread(m_thread_id);
}
