freePreloadedMediaOnUse option to free preloaded media on use

1 files changed, 8 insertions, 0 deletions

diff --git a/src/library_sdl.js b/src/library_sdl.js
index df0274e9..c7d91be5 100644
--- a/src/library_sdl.js
+++ b/src/library_sdl.js
@@ -983,9 +983,13 @@ var LibrarySDL = {
     }
     var raw = Module["preloadedImages"][filename];
     if (!raw) {
+      if (raw === null) Module.printErr('Trying to reuse preloaded image, but freePreloadedMediaOnUse is set!');
       Runtime.warnOnce('Cannot find preloaded image ' + filename);
       return 0;
     }
+    if (Module['freePreloadedMediaOnUse']) {
+      Module["preloadedImages"][filename] = null;
+    }
     var surf = SDL.makeSurface(raw.width, raw.height, 0, false, 'load:' + filename);
     var surfData = SDL.surfaces[surf];
     surfData.ctx.drawImage(raw, 0, 0, raw.width, raw.height, 0, 0, raw.width, raw.height);
@@ -1120,9 +1124,13 @@ var LibrarySDL = {
     filename = FS.standardizePath(Pointer_stringify(filename));
     var raw = Module["preloadedAudios"][filename];
     if (!raw) {
+      if (raw === null) Module.printErr('Trying to reuse preloaded audio, but freePreloadedMediaOnUse is set!');
       Runtime.warnOnce('Cannot find preloaded audio ' + filename);
       return 0;
     }
+    if (Module['freePreloadedMediaOnUse']) {
+      Module["preloadedAudios"][filename] = null;
+    }
     var id = SDL.audios.length;
     SDL.audios.push({
       source: filename,