/usr/include/gstreamer-1.0/gst/gl/ is in libgstreamer-plugins-bad1.0-dev 1.10.4-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/gstreamer-1.0/gst/gl/egl/
/usr/include/gstreamer-1.0/gst/gl/egl/gstegl.h
/usr/include/gstreamer-1.0/gst/gl/egl/gsteglimage.h
/usr/include/gstreamer-1.0/gst/gl/egl/gstglcontext_egl.h
/usr/include/gstreamer-1.0/gst/gl/egl/gstgldisplay_egl.h
/usr/include/gstreamer-1.0/gst/gl/egl/gstglmemoryegl.h
/usr/include/gstreamer-1.0/gst/gl/gl.h
/usr/include/gstreamer-1.0/gst/gl/glprototypes/
/usr/include/gstreamer-1.0/gst/gl/glprototypes/all_functions.h
/usr/include/gstreamer-1.0/gst/gl/glprototypes/base.h
/usr/include/gstreamer-1.0/gst/gl/glprototypes/blending.h
/usr/include/gstreamer-1.0/gst/gl/glprototypes/buffers.h
/usr/include/gstreamer-1.0/gst/gl/glprototypes/debug.h
/usr/include/gstreamer-1.0/gst/gl/glprototypes/eglimage.h
/usr/include/gstreamer-1.0/gst/gl/glprototypes/fbo.h
/usr/include/gstreamer-1.0/gst/gl/glprototypes/fixedfunction.h
/usr/include/gstreamer-1.0/gst/gl/glprototypes/gles.h
/usr/include/gstreamer-1.0/gst/gl/glprototypes/gstgl_compat.h
/usr/include/gstreamer-1.0/gst/gl/glprototypes/gstgl_gles2compat.h
/usr/include/gstreamer-1.0/gst/gl/glprototypes/opengl.h
/usr/include/gstreamer-1.0/gst/gl/glprototypes/query.h
/usr/include/gstreamer-1.0/gst/gl/glprototypes/shaders.h
/usr/include/gstreamer-1.0/gst/gl/glprototypes/sync.h
/usr/include/gstreamer-1.0/gst/gl/glprototypes/vao.h
/usr/include/gstreamer-1.0/gst/gl/gstgl_enums.h
/usr/include/gstreamer-1.0/gst/gl/gstgl_fwd.h
/usr/include/gstreamer-1.0/gst/gl/gstglapi.h
/usr/include/gstreamer-1.0/gst/gl/gstglbasefilter.h
/usr/include/gstreamer-1.0/gst/gl/gstglbasememory.h
/usr/include/gstreamer-1.0/gst/gl/gstglbuffer.h
/usr/include/gstreamer-1.0/gst/gl/gstglbufferpool.h
/usr/include/gstreamer-1.0/gst/gl/gstglcolorconvert.h
/usr/include/gstreamer-1.0/gst/gl/gstglcontext.h
/usr/include/gstreamer-1.0/gst/gl/gstglcontrolbindingproxy.h
/usr/include/gstreamer-1.0/gst/gl/gstgldebug.h
/usr/include/gstreamer-1.0/gst/gl/gstgldisplay.h
/usr/include/gstreamer-1.0/gst/gl/gstglfeature.h
/usr/include/gstreamer-1.0/gst/gl/gstglfilter.h
/usr/include/gstreamer-1.0/gst/gl/gstglformat.h
/usr/include/gstreamer-1.0/gst/gl/gstglframebuffer.h
/usr/include/gstreamer-1.0/gst/gl/gstglmemory.h
/usr/include/gstreamer-1.0/gst/gl/gstglmemorypbo.h
/usr/include/gstreamer-1.0/gst/gl/gstgloverlaycompositor.h
/usr/include/gstreamer-1.0/gst/gl/gstglquery.h
/usr/include/gstreamer-1.0/gst/gl/gstglrenderbuffer.h
/usr/include/gstreamer-1.0/gst/gl/gstglshader.h
/usr/include/gstreamer-1.0/gst/gl/gstglshaderstrings.h
/usr/include/gstreamer-1.0/gst/gl/gstglsl.h
/usr/include/gstreamer-1.0/gst/gl/gstglslstage.h
/usr/include/gstreamer-1.0/gst/gl/gstglsyncmeta.h
/usr/include/gstreamer-1.0/gst/gl/gstglupload.h
/usr/include/gstreamer-1.0/gst/gl/gstglutils.h
/usr/include/gstreamer-1.0/gst/gl/gstglviewconvert.h
/usr/include/gstreamer-1.0/gst/gl/gstglwindow.h
/usr/include/gstreamer-1.0/gst/gl/x11/
/usr/include/gstreamer-1.0/gst/gl/x11/gstgldisplay_x11.h