3 files changed, 42 insertions, 4 deletions

diff --git a/source/blender/render/extern/include/RE_engine.h b/source/blender/render/extern/include/RE_engine.h
index b687acae1f7..5df860750fc 100644
--- a/source/blender/render/extern/include/RE_engine.h
+++ b/source/blender/render/extern/include/RE_engine.h
@@ -33,12 +33,14 @@
 #define __RE_ENGINE_H__
 
 #include "DNA_listBase.h"
+#include "DNA_scene_types.h"
 #include "RNA_types.h"
 
 struct bNode;
 struct bNodeTree;
 struct Object;
 struct Render;
+struct RenderData;
 struct RenderEngine;
 struct RenderEngineType;
 struct RenderLayer;
@@ -134,6 +136,7 @@ void RE_engines_exit(void);
 RenderEngineType *RE_engines_find(const char *idname);
 
 void RE_engine_get_current_tiles(struct Render *re, int *total_tiles_r, rcti **tiles_r);
+struct RenderData *RE_engine_get_render_data(struct Render *re);
 
 #endif /* __RE_ENGINE_H__ */
 
diff --git a/source/blender/render/intern/source/external_engine.c b/source/blender/render/intern/source/external_engine.c
index 22a49bcbbc3..4a48b6cc5f4 100644
--- a/source/blender/render/intern/source/external_engine.c
+++ b/source/blender/render/intern/source/external_engine.c
@@ -385,6 +385,11 @@ void RE_engine_get_current_tiles(Render *re, int *total_tiles_r, rcti **tiles_r)
 	*tiles_r = tiles;
 }
 
+RenderData *RE_engine_get_render_data(Render *re)
+{
+	return &re->r;
+}
+
 /* Render */
 
 int RE_engine_render(Render *re, int do_all)
diff --git a/source/blender/render/intern/source/pipeline.c b/source/blender/render/intern/source/pipeline.c
index 6cf9b8a0bbc..3c4eb814d79 100644
--- a/source/blender/render/intern/source/pipeline.c
+++ b/source/blender/render/intern/source/pipeline.c
@@ -456,13 +456,43 @@ void RE_InitState(Render *re, Render *source, RenderData *rd, SceneRenderLayer *
 	
 	re->i.starttime = PIL_check_seconds_timer();
 	re->r = *rd;     /* hardcopy */
-	
+
+	if (source) {
+		/* reuse border flags from source renderer */
+		re->r.mode &= ~(R_BORDER | R_CROP);
+		re->r.mode |= source->r.mode & (R_BORDER | R_CROP);
+
+		/* dimensions shall be shared between all renderers */
+		re->r.xsch = source->r.xsch;
+		re->r.ysch = source->r.ysch;
+		re->r.size = source->r.size;
+	}
+
 	re->winx = winx;
 	re->winy = winy;
-	if (disprect) {
+	if (source && (source->r.mode & R_BORDER)) {
+		/* eeh, doesn't seem original bordered disprect is storing anywhere
+		 * after insertion on black happening in do_render_fields_blur_3d(),
+		 * so for now simply re-calculate disprect using border from source
+		 * renderer (sergey)
+		 */
+
+		re->disprect.xmin = source->r.border.xmin * winx;
+		re->disprect.xmax = source->r.border.xmax * winx;
+
+		re->disprect.ymin = source->r.border.ymin * winy;
+		re->disprect.ymax = source->r.border.ymax * winy;
+
+		re->rectx = BLI_rcti_size_x(&re->disprect);
+		re->recty = BLI_rcti_size_y(&re->disprect);
+
+		/* copy border itself, since it could be used by external engines */
+		re->r.border = source->r.border;
+	}
+	else if (disprect) {
 		re->disprect = *disprect;
-		re->rectx = BLI_rcti_size_x(disprect);
-		re->recty = BLI_rcti_size_y(disprect);
+		re->rectx = BLI_rcti_size_x(&re->disprect);
+		re->recty = BLI_rcti_size_y(&re->disprect);
 	}
 	else {
 		re->disprect.xmin = re->disprect.ymin = 0;