u32 TextureSource::getTextureId(const std::string &name) { //infostream<<"getTextureId(): \""<<name<<"\""<<std::endl; { /* See if texture already exists */ JMutexAutoLock lock(m_textureinfo_cache_mutex); std::map<std::string, u32>::iterator n; n = m_name_to_id.find(name); if(n != m_name_to_id.end()) { return n->second; } } /* Get texture */ if(get_current_thread_id() == m_main_thread) { return getTextureIdDirect(name); } else { infostream<<"getTextureId(): 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_texture_queue.add(name, 0, 0, &result_queue); /*infostream<<"Waiting for texture from main thread, name=\"" <<name<<"\""<<std::endl;*/ try { while(true) { // Wait result for a second GetResult<std::string, u32, u8, u8> result = result_queue.pop_front(1000); if (result.key == name) { return result.item; } } } catch(ItemNotFoundException &e) { errorstream<<"Waiting for texture " << name << " timed out."<<std::endl; return 0; } } infostream<<"getTextureId(): Failed"<<std::endl; return 0; }
u32 TextureSource::getTextureId(const std::string &name) { //infostream<<"getTextureId(): \""<<name<<"\""<<std::endl; { /* See if texture already exists */ JMutexAutoLock lock(m_atlaspointer_cache_mutex); core::map<std::string, u32>::Node *n; n = m_name_to_id.find(name); if(n != NULL) { return n->getValue(); } } /* Get texture */ if(get_current_thread_id() == m_main_thread) { return getTextureIdDirect(name); } else { infostream<<"getTextureId(): Queued: name=\""<<name<<"\""<<std::endl; // We're gonna ask the result to be put into here ResultQueue<std::string, u32, u8, u8> result_queue; // Throw a request in m_get_texture_queue.add(name, 0, 0, &result_queue); infostream<<"Waiting for texture from main thread, name=\"" <<name<<"\""<<std::endl; try { // Wait result for a second GetResult<std::string, u32, u8, u8> result = result_queue.pop_front(1000); // Check that at least something worked OK assert(result.key == name); return result.item; } catch(ItemNotFoundException &e) { infostream<<"Waiting for texture timed out."<<std::endl; return 0; } } infostream<<"getTextureId(): Failed"<<std::endl; return 0; }
void TextureSource::processQueue() { /* Fetch textures */ if(!m_get_texture_queue.empty()) { GetRequest<std::string, u32, u8, u8> request = m_get_texture_queue.pop(); /*infostream<<"TextureSource::processQueue(): " <<"got texture request with " <<"name=\""<<request.key<<"\"" <<std::endl;*/ m_get_texture_queue.pushResult(request,getTextureIdDirect(request.key)); } }
void TextureSource::processQueue() { /* Fetch textures */ if(m_get_texture_queue.size() > 0) { GetRequest<std::string, u32, u8, u8> request = m_get_texture_queue.pop(); /*infostream<<"TextureSource::processQueue(): " <<"got texture request with " <<"name=\""<<request.key<<"\"" <<std::endl;*/ GetResult<std::string, u32, u8, u8> result; result.key = request.key; result.callers = request.callers; result.item = getTextureIdDirect(request.key); request.dest->push_back(result); } }
/* This method generates all the textures */ u32 TextureSource::getTextureIdDirect(const std::string &name) { //infostream<<"getTextureIdDirect(): name=\""<<name<<"\""<<std::endl; // Empty name means texture 0 if(name == "") { infostream<<"getTextureIdDirect(): name is empty"<<std::endl; return 0; } /* Calling only allowed from main thread */ if(get_current_thread_id() != m_main_thread) { errorstream<<"TextureSource::getTextureIdDirect() " "called not from main thread"<<std::endl; return 0; } /* See if texture already exists */ { JMutexAutoLock lock(m_textureinfo_cache_mutex); std::map<std::string, u32>::iterator n; n = m_name_to_id.find(name); if(n != m_name_to_id.end()) { /*infostream<<"getTextureIdDirect(): \""<<name <<"\" found in cache"<<std::endl;*/ return n->second; } } /*infostream<<"getTextureIdDirect(): \""<<name <<"\" NOT found in cache. Creating it."<<std::endl;*/ /* Get the base image */ char separator = '^'; /* This is set to the id of the base image. If left 0, there is no base image and a completely new image is made. */ u32 base_image_id = 0; // Find last meta separator in name s32 last_separator_position = -1; for(s32 i=name.size()-1; i>=0; i--) { if(name[i] == separator) { last_separator_position = i; break; } } /* If separator was found, construct the base name and make the base image using a recursive call */ std::string base_image_name; if(last_separator_position != -1) { // Construct base name base_image_name = name.substr(0, last_separator_position); /*infostream<<"getTextureIdDirect(): Calling itself recursively" " to get base image of \""<<name<<"\" = \"" <<base_image_name<<"\""<<std::endl;*/ base_image_id = getTextureIdDirect(base_image_name); } //infostream<<"base_image_id="<<base_image_id<<std::endl; video::IVideoDriver* driver = m_device->getVideoDriver(); assert(driver); video::ITexture *t = NULL; /* An image will be built from files and then converted into a texture. */ video::IImage *baseimg = NULL; // If a base image was found, copy it to baseimg if(base_image_id != 0) { JMutexAutoLock lock(m_textureinfo_cache_mutex); TextureInfo *ti = &m_textureinfo_cache[base_image_id]; if(ti->img == NULL) { infostream<<"getTextureIdDirect(): WARNING: NULL image in " <<"cache: \""<<base_image_name<<"\"" <<std::endl; } else { core::dimension2d<u32> dim = ti->img->getDimension(); baseimg = driver->createImage(video::ECF_A8R8G8B8, dim); ti->img->copyTo( baseimg, // target v2s32(0,0), // position in target core::rect<s32>(v2s32(0,0), dim) // from ); /*infostream<<"getTextureIdDirect(): Loaded \"" <<base_image_name<<"\" from image cache" <<std::endl;*/ } } /* Parse out the last part of the name of the image and act according to it */ std::string last_part_of_name = name.substr(last_separator_position+1); //infostream<<"last_part_of_name=\""<<last_part_of_name<<"\""<<std::endl; // Generate image according to part of name if(!generateImage(last_part_of_name, baseimg)) { errorstream<<"getTextureIdDirect(): " "failed to generate \""<<last_part_of_name<<"\"" <<std::endl; } // If no resulting image, print a warning if(baseimg == NULL) { errorstream<<"getTextureIdDirect(): baseimg is NULL (attempted to" " create texture \""<<name<<"\""<<std::endl; } if(baseimg != NULL) { // Create texture from resulting image t = driver->addTexture(name.c_str(), baseimg); } /* Add texture to caches (add NULL textures too) */ JMutexAutoLock lock(m_textureinfo_cache_mutex); u32 id = m_textureinfo_cache.size(); TextureInfo ti(name, t, baseimg); m_textureinfo_cache.push_back(ti); m_name_to_id[name] = id; /*infostream<<"getTextureIdDirect(): " <<"Returning id="<<id<<" for name \""<<name<<"\""<<std::endl;*/ return id; }