Merge branch 'master' into blender2.8

source/blender/blenkernel/BKE_library.h

@@ -51,9 +51,9 @@ struct PointerRNA;
 struct PropertyRNA;
 
 size_t BKE_libblock_get_alloc_info(short type, const char **name);
-void *BKE_libblock_alloc_notest(short type);
-void *BKE_libblock_alloc(struct Main *bmain, short type, const char *name, const int flag) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
-void  BKE_libblock_init_empty(struct ID *id);
+void *BKE_libblock_alloc_notest(short type) ATTR_WARN_UNUSED_RESULT;
+void *BKE_libblock_alloc(struct Main *bmain, short type, const char *name, const int flag) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1);
+void  BKE_libblock_init_empty(struct ID *id) ATTR_NONNULL(1);
 
 /**
  * New ID creation/copying options.

source/blender/editors/sculpt_paint/paint_stroke.c

@@ -109,6 +109,8 @@ typedef struct PaintStroke {
 	 * e.g. in sculpt mode, stroke doesn't start until cursor
 	 * passes over the mesh */
 	bool stroke_started;
+	/* Set when enough motion was found for rake rotation */
+	bool rake_started;
 	/* event that started stroke, for modal() return */
 	int event_type;
 	/* check if stroke variables have been initialized */
@@ -376,7 +378,12 @@ static bool paint_brush_update(bContext *C,
 		else if (!(brush->flag & BRUSH_CURVE)) {
 			if (!paint_calculate_rake_rotation(ups, brush, mouse_init)) {
 				/* Not enough motion to define an angle. */
-				is_dry_run = true;
+				if(!stroke->rake_started) {
+					is_dry_run = true;
+				}
+			}
+			else {
+				stroke->rake_started = true;
 			}
 		}
 	}

source/blender/editors/space_image/image_ops.c

@@ -1858,7 +1858,7 @@ static bool save_image_doit(bContext *C, SpaceImage *sima, wmOperator *op, SaveI
 		scene = CTX_data_scene(C);
 		rr = BKE_image_acquire_renderresult(scene, ima);
 		bool is_mono = rr ? BLI_listbase_count_ex(&rr->views, 2) < 2 : BLI_listbase_count_ex(&ima->views, 2) < 2;
-		bool is_exr_rr = rr && ELEM(imf->imtype, R_IMF_IMTYPE_OPENEXR, R_IMF_IMTYPE_MULTILAYER);
+		bool is_exr_rr = rr && ELEM(imf->imtype, R_IMF_IMTYPE_OPENEXR, R_IMF_IMTYPE_MULTILAYER) && RE_HasFloatPixels(rr);
 
 		/* error handling */
 		if (!rr) {

source/blender/render/extern/include/RE_pipeline.h

@@ -392,6 +392,7 @@ void RE_updateRenderInstances(Render *re, int flag);
 /******* defined in render_result.c *********/
 
 bool RE_HasCombinedLayer(RenderResult *res);
+bool RE_HasFloatPixels(RenderResult *res);
 bool RE_RenderResult_is_stereo(RenderResult *res);
 struct RenderView *RE_RenderViewGetById(struct RenderResult *res, const int view_id);
 struct RenderView *RE_RenderViewGetByName(struct RenderResult *res, const char *viewname);

source/blender/render/intern/source/pipeline.c

@@ -3395,7 +3395,8 @@ bool RE_WriteRenderViewsImage(ReportList *reports, RenderResult *rr, Scene *scen
 		return false;
 
 	bool is_mono = BLI_listbase_count_ex(&rr->views, 2) < 2;
-	bool is_exr_rr = ELEM(rd->im_format.imtype, R_IMF_IMTYPE_OPENEXR, R_IMF_IMTYPE_MULTILAYER);
+	bool is_exr_rr = ELEM(rd->im_format.imtype, R_IMF_IMTYPE_OPENEXR, R_IMF_IMTYPE_MULTILAYER) &&
+	                 RE_HasFloatPixels(rr);
 
 	if (rd->im_format.views_format == R_IMF_VIEWS_MULTIVIEW && is_exr_rr)
 	{
@@ -3413,14 +3414,11 @@ bool RE_WriteRenderViewsImage(ReportList *reports, RenderResult *rr, Scene *scen
 		BLI_strncpy(filepath, name, sizeof(filepath));
 
 		for (view_id = 0, rv = rr->views.first; rv; rv = rv->next, view_id++) {
-			/* Sequencer and OpenGL render can't save multiple EXR layers. */
-			bool is_float = rv->rect32 == NULL;
-
 			if (!is_mono) {
 				BKE_scene_multiview_view_filepath_get(&scene->r, filepath, rv->name, name);
 			}
 
-			if (is_exr_rr && is_float) {
+			if (is_exr_rr) {
 				ok = RE_WriteRenderResult(reports, rr, name, &rd->im_format, rv->name, -1);
 				render_print_save_message(reports, name, ok, errno);
 

source/blender/render/intern/source/render_result.c

@@ -1417,6 +1417,19 @@ bool RE_HasCombinedLayer(RenderResult *res)
 	return (rv->rect32 || rv->rectf);
 }
 
+bool RE_HasFloatPixels(RenderResult *res)
+{
+	RenderView *rview;
+
+	for (rview = res->views.first; rview; rview = rview->next) {
+		if (rview->rect32 && !rview->rectf) {
+			return false;
+		}
+	}
+
+	return true;
+}
+
 bool RE_RenderResult_is_stereo(RenderResult *res)
 {
 	if (! BLI_findstring(&res->views, STEREO_LEFT_NAME, offsetof(RenderView, name)))