Edit Mesh Selection: Clear buffer before using in glReadPixel.

Areas out of bound are not written.

diff --git a/source/blender/editors/space_view3d/view3d_draw_legacy.c b/source/blender/editors/space_view3d/view3d_draw_legacy.c
index 454315afa57d5372fc4f73682459fe527dbe3767..9498f007910c942acb5843647c4dcfba4fd08741 100644 (file)
--- a/source/blender/editors/space_view3d/view3d_draw_legacy.c
+++ b/source/blender/editors/space_view3d/view3d_draw_legacy.c
@@ -303,7 +303,7 @@ uint *ED_view3d_select_id_read_rect(ViewContext *vc, const rcti *clip, uint *r_b
        uint width = BLI_rcti_size_x(clip);
        uint height = BLI_rcti_size_y(clip);
        uint buf_len = width * height;
-       uint *buf = MEM_mallocN(buf_len * sizeof(*buf), __func__);
+       uint *buf = MEM_callocN(buf_len * sizeof(*buf), __func__);
 
        DRW_framebuffer_select_id_read(clip, buf);