Move allocation of imbuf from array to allocimbuf.

Skip allocation of temporary imbuf

1 files changed, 24 insertions, 0 deletions

diff --git a/source/blender/imbuf/intern/allocimbuf.c b/source/blender/imbuf/intern/allocimbuf.c
index 556c4beeae7..b28d19e3e15 100644
--- a/source/blender/imbuf/intern/allocimbuf.c
+++ b/source/blender/imbuf/intern/allocimbuf.c
@@ -362,6 +362,30 @@ bool imb_addrectImBuf(ImBuf *ibuf)
 	return false;
 }
 
+struct ImBuf *IMB_allocFromBuffer(const unsigned int *rect, const float *rectf,
+                                  unsigned int w, unsigned int h)
+{
+	ImBuf *ibuf = NULL;
+
+	if (!(rect || rectf))
+		return NULL;
+
+	ibuf = IMB_allocImBuf(w, h, 32, 0);
+
+	if (rectf) {
+		ibuf->rect_float = MEM_dupallocN(rectf);
+		ibuf->flags |= IB_rectfloat;
+		ibuf->mall |= IB_rectfloat;
+	}
+	if (rect) {
+		ibuf->rect = MEM_dupallocN(rect);
+		ibuf->flags |= IB_rect;
+		ibuf->mall |= IB_rect;
+	}
+
+	return ibuf;
+}
+
 bool imb_addtilesImBuf(ImBuf *ibuf)
 {
 	if (ibuf == NULL) return false;