diff options
Diffstat (limited to 'src/tile.cpp')
| -rw-r--r-- | src/tile.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/tile.cpp b/src/tile.cpp index f7f1779ca..7cad1b836 100644 --- a/src/tile.cpp +++ b/src/tile.cpp @@ -372,6 +372,18 @@ public: // Update new texture pointer and texture coordinates to an // AtlasPointer based on it's texture id void updateAP(AtlasPointer &ap); + + bool isKnownSourceImage(const std::string &name) + { + bool is_known = false; + bool cache_found = m_source_image_existence.get(name, &is_known); + if(cache_found) + return is_known; + // Not found in cache; find out if a local file exists + is_known = (getTexturePath(name) != ""); + m_source_image_existence.set(name, is_known); + return is_known; + } // Processes queued texture requests from other threads. // Shall be called from the main thread. @@ -400,6 +412,9 @@ private: // This should be only accessed from the main thread SourceImageCache m_sourcecache; + // Thread-safe cache of what source images are known (true = known) + MutexedMap<std::string, bool> m_source_image_existence; + // A texture id is index in this array. // The first position contains a NULL texture. core::array<SourceAtlasPointer> m_atlaspointer_cache; @@ -781,6 +796,7 @@ void TextureSource::insertSourceImage(const std::string &name, video::IImage *im assert(get_current_thread_id() == m_main_thread); m_sourcecache.insert(name, img, true, m_device->getVideoDriver()); + m_source_image_existence.set(name, true); } void TextureSource::rebuildImagesAndTextures() |