bugfix where animated image texture's lagged one frame when used with modifiers.

call animated texture update before evaluating modifiers.

source/blender/editors/render/render_opengl.c

@@ -305,6 +305,10 @@ static int screen_opengl_render_anim_step(bContext *C, wmOperator *op)
 	int ok= 0;
 	int view_context = (oglrender->v3d != NULL);
 
+	/* update animated image textures for gpu, etc,
+	 * call before scene_update_for_newframe so modifiers with textuers dont lag 1 frame */
+	ED_image_update_frame(C);
+
 	/* go to next frame */
 	while(CFRA<oglrender->nfra) {
 		unsigned int lay= screen_opengl_layers(oglrender);
@@ -330,9 +334,6 @@ static int screen_opengl_render_anim_step(bContext *C, wmOperator *op)
 		scene_camera_switch_update(scene);
 	}
 
-	/* update animated image textures for gpu, etc */
-	ED_image_update_frame(C);
-
 	/* render into offscreen buffer */
 	screen_opengl_render_apply(oglrender);
 

source/blender/editors/screen/screen_edit.c

@@ -1737,6 +1737,10 @@ void ED_update_for_newframe(const bContext *C, int mute)
 
 	//extern void audiostream_scrub(unsigned int frame);	/* seqaudio.c */
 	
+	/* update animated image textures for gpu, etc,
+	 * call before scene_update_for_newframe so modifiers with textuers dont lag 1 frame */
+	ED_image_update_frame(C);
+
 	/* this function applies the changes too */
 	/* XXX future: do all windows */
 	scene_update_for_newframe(scene, BKE_screen_visible_layers(screen, scene)); /* BKE_scene.h */
@@ -1754,9 +1758,6 @@ void ED_update_for_newframe(const bContext *C, int mute)
 	if(scene->use_nodes && scene->nodetree)
 		ntreeCompositTagAnimated(scene->nodetree);
 	
-	/* update animated image textures for gpu, etc */
-	ED_image_update_frame(C);
-	
 	/* update animated texture nodes */
 	{
 		Tex *tex;