vc4: Add support for building on Android.

v2: Add a comment explaining why we link libmesa_glsl.  Drop warning
    option from freedreno.  Add vc4 to the documentation for
    BOARD_GPU_DRIVERS.

Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>

Android.mk

@@ -24,7 +24,7 @@
 # BOARD_GPU_DRIVERS should be defined.  The valid values are
 #
 #   classic drivers: i915 i965
-#   gallium drivers: swrast freedreno i915g ilo nouveau r300g r600g radeonsi vmwgfx
+#   gallium drivers: swrast freedreno i915g ilo nouveau r300g r600g radeonsi vc4 vmwgfx
 #
 # The main target is libGLES_mesa.  For each classic driver enabled, a DRI
 # module will also be built.  DRI modules will be loaded by libGLES_mesa.
@@ -48,7 +48,7 @@ MESA_PYTHON2 := python
 DRM_GRALLOC_TOP := hardware/drm_gralloc
 
 classic_drivers := i915 i965
-gallium_drivers := swrast freedreno i915g ilo nouveau r300g r600g radeonsi vmwgfx
+gallium_drivers := swrast freedreno i915g ilo nouveau r300g r600g radeonsi vmwgfx vc4
 
 MESA_GPU_DRIVERS := $(strip $(BOARD_GPU_DRIVERS))
 

src/gallium/Android.mk

@@ -76,6 +76,11 @@ endif
 endif
 endif
 
+# vc4
+ifneq ($(filter vc4, $(MESA_GPU_DRIVERS)),)
+SUBDIRS += winsys/vc4/drm drivers/vc4
+endif
+
 # vmwgfx
 ifneq ($(filter vmwgfx, $(MESA_GPU_DRIVERS)),)
 SUBDIRS += winsys/svga/drm drivers/svga

src/gallium/drivers/vc4/Android.mk

@@ -0,0 +1,37 @@
+# Copyright (C) 2014 Emil Velikov <emil.l.velikov@gmail.com>
+#
+# 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_SHARED_LIBRARIES := libdrm
+# We need libmesa_glsl to get NIR's generated include directories.
+LOCAL_STATIC_LIBRARIES := libmesa_glsl
+LOCAL_MODULE := libmesa_pipe_vc4
+
+include $(GALLIUM_COMMON_MK)
+include $(BUILD_STATIC_LIBRARY)

src/gallium/targets/dri/Android.mk

@@ -90,6 +90,10 @@ ifneq ($(filter swrast,$(MESA_GPU_DRIVERS)),)
 gallium_DRIVERS += libmesa_pipe_softpipe libmesa_winsys_sw_dri libmesa_winsys_sw_kms_dri
 LOCAL_CFLAGS += -DGALLIUM_SOFTPIPE
 endif
+ifneq ($(filter vc4,$(MESA_GPU_DRIVERS)),)
+LOCAL_CFLAGS += -DGALLIUM_VC4
+gallium_DRIVERS += libmesa_winsys_vc4 libmesa_pipe_vc4
+endif
 ifneq ($(filter vmwgfx,$(MESA_GPU_DRIVERS)),)
 gallium_DRIVERS += libmesa_winsys_svga libmesa_pipe_svga
 LOCAL_CFLAGS += -DGALLIUM_VMWGFX

src/gallium/winsys/vc4/drm/Android.mk

@@ -0,0 +1,34 @@
+# Copyright (C) 2014 Emil Velikov <emil.l.velikov@gmail.com>
+#
+# 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_SHARED_LIBRARIES := libdrm
+LOCAL_MODULE := libmesa_winsys_vc4
+
+include $(GALLIUM_COMMON_MK)
+include $(BUILD_STATIC_LIBRARY)