sync code with last improvements from OpenBSD

lib/mesa/mk/libgalliumvl/Makefile

@@ -0,0 +1,43 @@
+#	$OpenBSD: Makefile,v 1.3 2023/01/28 08:56:34 jsg Exp $
+
+LIB=	galliumvl
+
+NOPROFILE=
+
+SRCS=	vl_bicubic_filter.c \
+	vl_codec.c \
+	vl_compositor.c \
+	vl_compositor_cs.c \
+	vl_compositor_gfx.c \
+	vl_csc.c \
+	vl_decoder.c \
+	vl_deint_filter.c \
+	vl_idct.c \
+	vl_matrix_filter.c \
+	vl_mc.c \
+	vl_median_filter.c \
+	vl_mpeg12_bitstream.c \
+	vl_mpeg12_decoder.c \
+	vl_vertex_buffers.c \
+	vl_video_buffer.c \
+	vl_zscan.c
+
+SRCS+=	vl_winsys_dri_vgem.c
+
+.include "../Makefile.inc"
+
+CFLAGS+=	${C_VIS_ARGS}
+CXXFLAGS+=	${CXX_VIS_ARGS}
+CPPFLAGS+=	-I${MESA_SRC}/src/gallium/auxiliary/vl \
+		-I${MESA_SRC}/src/gallium/include \
+		-I${MESA_SRC}/src/gallium/auxiliary \
+		-I${MESA_SRC}/src/util
+
+install:
+
+obj: _xenocara_obj
+
+.include <bsd.lib.mk>
+.include <bsd.xorg.mk>
+
+.PATH:	${MESA_SRC}/src/gallium/auxiliary/vl