1 files changed, 8 insertions, 0 deletions
diff --git a/source/blender/makesdna/DNA_image_types.h b/source/blender/makesdna/DNA_image_types.h
index 2464eb05a6d..64c8fd3e3a9 100644
--- a/source/blender/makesdna/DNA_image_types.h
+++ b/source/blender/makesdna/DNA_image_types.h
@@ -142,6 +142,12 @@ typedef enum eImageTextureResolution {
   IMA_TEXTURE_RESOLUTION_LEN
 } eImageTextureResolution;
 
+typedef struct Image_Runtime {
+  /* Mutex used to guarantee thread-safe access to the cached ImBuf of the corresponding image ID.
+   */
+  void *cache_mutex;
+} Image_Runtime;
+
 typedef struct Image {
   ID id;
 
@@ -208,6 +214,8 @@ typedef struct Image {
   /** ImageView. */
   ListBase views;
   struct Stereo3dFormat *stereo3d_format;
+
+  Image_Runtime runtime;
 } Image;
 
 /* **************** IMAGE ********************* */