sync code with last improvements from OpenBSD

lib/mesa/mk/libiris/Makefile

@@ -0,0 +1,54 @@
+#	$OpenBSD: Makefile,v 1.4 2022/09/02 05:46:39 jsg Exp $
+
+LIB=	iris
+
+NOPROFILE=
+
+SRCS=	iris_batch.c \
+	iris_binder.c \
+	iris_blit.c \
+	iris_border_color.c \
+	iris_bufmgr.c \
+	iris_clear.c \
+	iris_context.c \
+	iris_draw.c \
+	iris_fence.c \
+	iris_fine_fence.c \
+	iris_formats.c \
+	iris_measure.c \
+	iris_monitor.c \
+	iris_perf.c \
+	iris_performance_query.c \
+	iris_pipe_control.c \
+	iris_program.c \
+	iris_program_cache.c \
+	iris_resolve.c \
+	iris_resource.c \
+	iris_screen.c \
+	iris_disk_cache.c \
+	iris_utrace.c
+
+.include "../Makefile.inc"
+
+CFLAGS+=	${C_VIS_ARGS} ${C_SSE2_ARGS}
+CPPFLAGS+=	-DGALLIUM_IRIS \
+		-I${MESA_SRC}/src/gallium/drivers/iris \
+		-I${MESA_SRC}/src/gallium/include \
+		-I${MESA_SRC}/src/gallium/auxiliary \
+		-I${MESA_SRC}/src/gallium/drivers \
+		-I${MESA_SRC}/src/mesa \
+		-I${MESA_SRC}/src/mapi \
+		-I${MESA_SRC}/src/intel \
+		-I${MESA_SRC}/src/compiler/nir \
+		-I${MESA_SRC}/generated/src \
+		-I${MESA_SRC}/generated/src/intel \
+		-I${MESA_SRC}/generated/src/compiler/nir
+
+install:
+
+obj: _xenocara_obj
+
+.include <bsd.lib.mk>
+.include <bsd.xorg.mk>
+
+.PATH: ${MESA_SRC}/src/gallium/drivers/iris