Couple of features/fixes:

- Compositor now frees memory of buffers internally used in groups
  immediately. This wasn't part of the event-based cache anyway

- New option: "Free Texture Images" (in render Output panel). This
  frees after each render of each scene all images and mipmaps as
  used by textures. As reference it prints total amount of MB freed.

- Render stage 'creating speed vectors' had no ESC checking yet

- Made drawing scanline updates during render draw 1 scanline less...
  dunno, still hunting for weird opengl crashes.

- 3D preview render didn't properly skip sequence or composit render.

1 files changed, 1 insertions, 0 deletions

diff --git a/source/blender/blenkernel/BKE_image.h b/source/blender/blenkernel/BKE_image.h
index 250b6dc762f..5fb9201a697 100644
--- a/source/blender/blenkernel/BKE_image.h
+++ b/source/blender/blenkernel/BKE_image.h
@@ -62,6 +62,7 @@ void converttopremul(struct ImBuf *ibuf);
 void tag_image_time(struct Image *ima);
 void free_old_images(void);
 
+void free_all_imagetextures(void);
 
 #ifdef __cplusplus
 }