Android: add Android.mk for llvmpipe

this commit enables llvmpipe when using swrast on android

(v1) original WuZhen patch
https://lists.freedesktop.org/archives/mesa-dev/2017-January/139789.html



(v2) resolution of conflicts and support for Rob Herring
"Android: push driver build details to driver makefiles"

Changes to be committed compared to WuZhen's:

Android.mk add swrast.HAVE_GALLIUM_LLVMPIPE, MESA_ENABLE_LLVM rules
src/gallium/Android.mk resolution of conflicts
src/gallium/drivers/llvmpipe/Android.mk added GALLIUM_LIBS rules
src/gallium/targets/dri/Android.mk resolution of conflicts

Signed-off-by: Rob Herring <robh@kernel.org>

Android.mk

@@ -47,6 +47,7 @@ MESA_PYTHON2 := python
 # in form of <driver name>.<boolean make variable>
 classic_drivers := i915.HAVE_I915_DRI i965.HAVE_I965_DRI
 gallium_drivers := \
+	swrast.HAVE_GALLIUM_LLVMPIPE \
 	swrast.HAVE_GALLIUM_SOFTPIPE \
 	freedreno.HAVE_GALLIUM_FREEDRENO \
 	i915g.HAVE_GALLIUM_I915 \
@@ -84,7 +85,7 @@ else
 MESA_ENABLE_ASM := false
 endif
 
-ifneq ($(filter true, $(HAVE_GALLIUM_RADEONSI)),)
+ifneq ($(filter true, $(HAVE_GALLIUM_RADEONSI) $(HAVE_GALLIUM_LLVMPIPE)),)
 MESA_ENABLE_LLVM := true
 endif
 

src/gallium/Android.mk

@@ -34,7 +34,7 @@ SUBDIRS += auxiliary/pipe-loader
 # Gallium drivers and their respective winsys
 #
 
-SUBDIRS += winsys/sw/dri drivers/softpipe
+SUBDIRS += winsys/sw/dri drivers/llvmpipe drivers/softpipe
 SUBDIRS += winsys/freedreno/drm drivers/freedreno
 SUBDIRS += winsys/i915/drm drivers/i915
 SUBDIRS += winsys/nouveau/drm drivers/nouveau

src/gallium/drivers/llvmpipe/Android.mk

+# Mesa 3-D graphics library
+#
+# Copyright (C) 2015-2016 Zhen Wu <wuzhen@jidemail.com>
+# Copyright (C) 2015-2016 Jide Inc.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+
+LOCAL_PATH := $(call my-dir)
+
+# get C_SOURCES
+include $(LOCAL_PATH)/Makefile.sources
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := \
+	$(C_SOURCES)
+
+LOCAL_MODULE := libmesa_pipe_llvmpipe
+
+$(call mesa-build-with-llvm)
+
+include $(GALLIUM_COMMON_MK)
+include $(BUILD_STATIC_LIBRARY)
+
+ifneq ($(HAVE_GALLIUM_LLVMPIPE),)
+GALLIUM_TARGET_DRIVERS += swrast kms_swrast
+$(eval GALLIUM_LIBS += $(LOCAL_MODULE) libmesa_winsys_sw_dri libmesa_winsys_sw_kms_dri)
+$(eval GALLIUM_SHARED_LIBS += $(LOCAL_SHARED_LIBRARIES))
+endif