Fix for images with invalid pixel formats

[supertux.git] / src / video / texture_manager.cpp

diff --git a/src/video/texture_manager.cpp b/src/video/texture_manager.cpp
index e7c392f..ae272b3 100644 (file)
--- a/src/video/texture_manager.cpp
+++ b/src/video/texture_manager.cpp
@@ -146,7 +146,17 @@ TextureManager::create_image_texture_raw(const std::string& filename, const Rect
       throw std::runtime_error(msg.str());
     }
 
-    m_surfaces[filename] = image;
+    SDL_PixelFormat* format = image->format;
+    if(format->Rmask == 0 && format->Gmask == 0 && format->Bmask == 0 && format->Amask == 0) {
+      log_warning << "Wrong surface format for image " << filename << ". Compensating." << std::endl;
+
+      SDL_Surface* converted_surf = SDL_ConvertSurfaceFormat(image, SDL_PIXELFORMAT_RGBA8888, 0);
+      m_surfaces[filename] = converted_surf;
+    }
+    else
+    {
+      m_surfaces[filename] = image;
+    }
   }
 
   SDLSurfacePtr subimage(SDL_CreateRGBSurfaceFrom(static_cast<uint8_t*>(image->pixels) +
@@ -259,7 +269,11 @@ TextureManager::save_textures()
   for(ImageTextures::iterator i = m_image_textures.begin();
       i != m_image_textures.end(); ++i)
   {
-    save_texture(dynamic_cast<GLTexture*>(i->second.lock().get()));
+    GLTexture* texture = dynamic_cast<GLTexture*>(i->second.lock().get());
+    if(texture == NULL)
+      continue;
+
+    save_texture(texture);
   }
 }