Home | History | Annotate | Download | only in opengl
      1 # This top-level build file is included by all modules that implement
      2 # the hardware OpenGL ES emulation for Android.
      3 #
      4 # We use it to ensure that all sub-Makefiles are included in the right
      5 # order for various variable definitions and usage to happen in the correct
      6 # order.
      7 #
      8 
      9 # The following macros are used to start a new GLES emulation module.
     10 #
     11 # This will define LOCAL_MODULE as $1, plus a few other variables
     12 # needed by the build system (e.g. LOCAL_MODULE_TAGS, LOCAL_MODULE_CLASS...)
     13 #
     14 # NOTE: You still need to define LOCAL_PATH before this
     15 #
     16 # Usage example:
     17 #
     18 #   $(call emugl-begin-static-library,<name>)
     19 #       LOCAL_SRC_FILES := ....
     20 #       LOCAL_C_INCLUDES += ....
     21 #   $(call emugl-end-module)
     22 #
     23 emugl-begin-static-library = $(call emugl-begin-module,$1,STATIC_LIBRARY)
     24 emugl-begin-shared-library = $(call emugl-begin-module,$1,SHARED_LIBRARY)
     25 emugl-begin-host-static-library = $(call emugl-begin-module,$1,HOST_STATIC_LIBRARY,HOST)
     26 emugl-begin-host-shared-library = $(call emugl-begin-module,$1,HOST_SHARED_LIBRARY,HOST)
     27 emugl-begin-host-executable = $(call emugl-begin-module,$1,HOST_EXECUTABLE,HOST)
     28 
     29 # Internal list of all declared modules (used for sanity checking)
     30 _emugl_modules :=
     31 _emugl_HOST_modules :=
     32 
     33 # do not use directly, see functions above instead
     34 emugl-begin-module = \
     35     $(eval include $(CLEAR_VARS)) \
     36     $(eval LOCAL_MODULE := $1) \
     37     $(eval LOCAL_MODULE_TAGS := debug) \
     38     $(eval LOCAL_MODULE_CLASS := $(patsubst HOST_%,%,$(patsubst %EXECUTABLE,%EXECUTABLES,$(patsubst %LIBRARY,%LIBRARIES,$2)))) \
     39     $(eval LOCAL_IS_HOST_MODULE := $(if $3,true,))\
     40     $(eval LOCAL_C_INCLUDES := $(EMUGL_COMMON_INCLUDES)) \
     41     $(eval LOCAL_CFLAGS := $(EMUGL_COMMON_CFLAGS)) \
     42     $(eval LOCAL_PRELINK_MODULE := false)\
     43     $(eval _EMUGL_INCLUDE_TYPE := $(BUILD_$2)) \
     44     $(call _emugl-init-module,$1,$2,$3)
     45 
     46 # Used to end a module definition, see function definitions above
     47 emugl-end-module = \
     48     $(eval include $(_EMUGL_INCLUDE_TYPE))\
     49     $(eval _EMUGL_INCLUDE_TYPE :=) \
     50     $(eval _emugl_$(_emugl_HOST)modules += $(_emugl_MODULE))\
     51     $(if $(EMUGL_DEBUG),$(call emugl-dump-module))
     52 
     53 # Managing module exports and imports.
     54 #
     55 # A module can 'import' another module, by calling emugl-import. This will
     56 # make the current LOCAL_MODULE inherit various definitions exported from
     57 # the imported module.
     58 #
     59 # Module exports are defined by calling emugl-export. Here is an example:
     60 #
     61 #      $(call emugl-begin-static-library,foo)
     62 #      LOCAL_SRC_FILES := foo.c
     63 #      $(call emugl-export,C_INCLUDES,$(LOCAL_PATH))
     64 #      $(call emugl-export,SHARED_LIBRARIES,libcutils)
     65 #      $(call emugl-end-module)
     66 #
     67 #      $(call emugl-begin-shared-library,bar)
     68 #      LOCAL_SRC_FILES := bar.cpp
     69 #      $(call emugl-import,foo)
     70 #      $(call emugl-end-module)
     71 #
     72 # Here, we define a static library named 'foo' which exports an include
     73 # path and a shared library requirement, and a shared library 'bar' which
     74 # imports it.
     75 #
     76 # What this means is that:
     77 #
     78 #    - 'bar' will automatically inherit foo's LOCAL_PATH in its LOCAL_C_INCLUDES
     79 #    - 'bar' will automatically inherit libcutils in its own LOCAL_SHARED_LIBRARIES
     80 #
     81 # Note that order of declaration matters. If 'foo' is defined after 'bar' in
     82 # the example above, nothing will work correctly because dependencies are
     83 # computed at import time.
     84 #
     85 #
     86 # IMPORTANT: Imports are transitive, i.e. when module A imports B,
     87 #            it automatically imports anything imported by B too.
     88 
     89 # This is the list of recognized export types we support for now.
     90 EMUGL_EXPORT_TYPES := \
     91     CFLAGS \
     92     LDLIBS \
     93     LDFLAGS \
     94     C_INCLUDES \
     95     SHARED_LIBRARIES \
     96     STATIC_LIBRARIES \
     97     ADDITIONAL_DEPENDENCIES
     98 
     99 # Initialize a module in our database
    100 # $1: Module name
    101 # $2: Module type
    102 # $3: "HOST" for a host module, empty for a target one.
    103 _emugl-init-module = \
    104     $(eval _emugl_HOST := $(if $3,HOST_,))\
    105     $(eval _emugl_MODULE := $(_emugl_HOST)$1)\
    106     $(if $(filter $(_emugl_$(_emugl_HOST)modules),$(_emugl_MODULE)),\
    107         $(error There is already a $(if $3,host,) module named $1!)\
    108     )\
    109     $(eval _mod = $(_emugl_MODULE)) \
    110     $(eval _emugl.$(_mod).type := $(patsubst HOST_%,%,$2))\
    111     $(eval _emugl.$(_mod).imports :=) \
    112     $(eval _emugl,$(_mod).moved :=) \
    113     $(foreach _type,$(EMUGL_EXPORT_TYPES),\
    114         $(eval _emugl.$(_mod).export.$(_type) :=)\
    115     )
    116 
    117 # Called to indicate that a module exports a given local variable for its
    118 # users. This also adds this to LOCAL_$1
    119 # $1: Local variable type (e.g. CFLAGS, LDLIBS, etc...)
    120 # $2: Value(s) to append to the export
    121 emugl-export = \
    122     $(eval _emugl.$(_emugl_MODULE).export.$1 += $2)\
    123     $(eval LOCAL_$1 := $2 $(LOCAL_$1))
    124 
    125 emugl-export-outer = \
    126     $(eval _emugl.$(_emugl_MODULE).export.$1 += $2)
    127 
    128 # Called to indicate that a module imports the exports of another module
    129 # $1: list of modules to import
    130 #
    131 emugl-import = \
    132     $(foreach _imod,$1,\
    133         $(call _emugl-module-import,$(_emugl_HOST)$(_imod))\
    134     )
    135 
    136 _emugl-module-import = \
    137     $(eval _mod := $(_emugl_MODULE))\
    138     $(if $(filter-out $(_emugl_$(_emugl_HOST)modules),$1),\
    139         $(info Unknown imported emugles module: $1)\
    140         $(if $(_emugl_HOST),\
    141             $(eval _names := $(patsubst HOST_%,%,$(_emugl_HOST_modules))),\
    142             $(eval _names := $(_emugl_modules))\
    143         )\
    144         $(info Please one of the following names: $(_names))\
    145         $(error Aborting)\
    146     )\
    147     $(if $(filter-out $(_emugl.$(_mod).imports),$1),\
    148         $(eval _emugl.$(_mod).imports += $1)\
    149         $(foreach _sub,$(_emugl.$1.imports),\
    150             $(call _emugl-module-import,$(_sub))\
    151         )\
    152         $(foreach _type,$(EMUGL_EXPORT_TYPES),\
    153             $(eval LOCAL_$(_type) := $(_emugl.$1.export.$(_type)) $(LOCAL_$(_type)))\
    154         )\
    155         $(if $(filter EXECUTABLE SHARED_LIBRARY,$(_emugl.$(_emugl_MODULE).type)),\
    156             $(if $(filter STATIC_LIBRARY,$(_emugl.$1.type)),\
    157                 $(eval LOCAL_STATIC_LIBRARIES := $(1:HOST_%=%) $(LOCAL_STATIC_LIBRARIES))\
    158             )\
    159             $(if $(filter SHARED_LIBRARY,$(_emugl.$1.type)),\
    160                 $(if $(_emugl.$1.moved),,\
    161                   $(eval LOCAL_SHARED_LIBRARIES := $(1:HOST_%=%) $(LOCAL_SHARED_LIBRARIES))\
    162                 )\
    163             )\
    164         )\
    165     )
    166 
    167 _emugl-dump-list = \
    168     $(foreach _list_item,$(strip $1),$(info .    $(_list_item)))
    169 
    170 emugl-dump-module = \
    171     $(info MODULE=$(_emugl_MODULE))\
    172     $(info .  HOST=$(_emugl_HOST))\
    173     $(info .  TYPE=$(_emugl.$(_emugl_MODULE).type))\
    174     $(info .  IMPORTS=$(_emugl.$(_emugl_MODULE).imports))\
    175     $(foreach _type,$(EMUGL_EXPORT_TYPES),\
    176         $(if $(filter C_INCLUDES ADDITIONAL_DEPENDENCIES,$(_type)),\
    177             $(info .  EXPORT.$(_type) :=)\
    178             $(call _emugl-dump-list,$(_emugl.$(_emugl_MODULE).export.$(_type)))\
    179             $(info .  LOCAL_$(_type)  :=)\
    180             $(call _emugl-dump-list,$(LOCAL_$(_type)))\
    181         ,\
    182             $(info .  EXPORT.$(_type) := $(strip $(_emugl.$(_emugl_MODULE).export.$(_type))))\
    183             $(info .  LOCAL_$(_type)  := $(strip $(LOCAL_$(_type))))\
    184         )\
    185     )\
    186     $(info .  LOCAL_SRC_FILES := $(LOCAL_SRC_FILES))\
    187 
    188 # This function can be called to generate the decoder source files.
    189 # LOCAL_MODULE and LOCAL_MODULE_CLASS must be defined or the build will abort.
    190 # Source files will be stored in the local intermediates directory that will
    191 # be automatically added to your LOCAL_C_INCLUDES.
    192 #
    193 # Usage:
    194 #    $(call emugl-gen-decoder,<input-dir>,<basename>)
    195 #
    196 emugl-gen-decoder = \
    197     $(eval _emugl_out := $(call local-intermediates-dir))\
    198     $(call emugl-gen-decoder-generic,$(_emugl_out),$1,$2)\
    199     $(call emugl-export,C_INCLUDES,$(_emugl_out))
    200 
    201 # This function can be called to generate the encoder source files.
    202 # LOCAL_MODULE and LOCAL_MODULE_CLASS must be defined or the build will abort.
    203 # Source files will be stored in the local intermediates directory that will
    204 # be automatically added to your LOCAL_C_INCLUDES.
    205 # Usage:
    206 #    $(call emugl-gen-encoder,<input-dir>,<basename>)
    207 #
    208 emugl-gen-encoder = \
    209     $(eval _emugl_out := $(call local-intermediates-dir)) \
    210     $(call emugl-gen-encoder-generic,$(_emugl_out),$1,$2) \
    211     $(call emugl-export,C_INCLUDES,$(_emugl_out))
    212 
    213 
    214 # This function can be called to generate the wrapper source files.
    215 # LOCAL_MODULE and LOCAL_MODULE_CLASS must be defined or the build will abort.
    216 # Source files will be stored in the local intermediates directory that will
    217 # be automatically added to your LOCAL_C_INCLUDES.
    218 # Usage:
    219 #    $(call emugl-gen-wrapper,<input-dir>,<basename>)
    220 #
    221 emugl-gen-wrapper = \
    222     $(eval _emugl_out := $(call local-intermediates-dir)) \
    223     $(call emugl-gen-wrapper-generic,$(_emugl_out),$1,$2) \
    224     $(call emugl-export,C_INCLUDES,$(_emugl_out))
    225 
    226 # IMPORTANT: EMUGL_EMUGEN is defined under host/tools/emugen/Android.mk
    227 #
    228 
    229 # DO NOT CALL DIRECTLY, USE emugl-gen-decoder instead.
    230 #
    231 # The following function can be called to generate wire protocol decoder
    232 # source files, Usage is:
    233 #
    234 #  $(call emugl-gen-decoder-generic,<dst-dir>,<src-dir>,<basename>)
    235 #
    236 #  <dst-dir> is the destination directory where the generated sources are stored
    237 #  <src-dir> is the source directory where to find <basename>.attrib, etc..
    238 #  <basename> is the emugen basename (see host/tools/emugen/README)
    239 #
    240 emugl-gen-decoder-generic = $(eval $(emugl-gen-decoder-generic-ev))
    241 
    242 define emugl-gen-decoder-generic-ev
    243 _emugl_dec := $$1/$$3
    244 _emugl_src := $$2/$$3
    245 GEN := $$(_emugl_dec)_dec.cpp \
    246        $$(_emugl_dec)_dec.h \
    247        $$(_emugl_dec)_opcodes.h \
    248        $$(_emugl_dec)_server_context.h \
    249        $$(_emugl_dec)_server_context.cpp
    250 
    251 $$(GEN): PRIVATE_PATH := $$(LOCAL_PATH)
    252 $$(GEN): PRIVATE_CUSTOM_TOOL := $$(EMUGL_EMUGEN) -D $$1 -i $$2 $$3
    253 $$(GEN): $$(EMUGL_EMUGEN) $$(_emugl_src).attrib $$(_emugl_src).in $$(_emugl_src).types
    254 	$$(transform-generated-source)
    255 
    256 $$(call emugl-export,ADDITIONAL_DEPENDENCIES,$$(GEN))
    257 LOCAL_GENERATED_SOURCES += $$(GEN)
    258 LOCAL_C_INCLUDES += $$1
    259 endef
    260 
    261 # DO NOT CALL DIRECTLY, USE emugl-gen-encoder instead.
    262 #
    263 # The following function can be called to generate wire protocol encoder
    264 # source files, Usage is:
    265 #
    266 #  $(call emugl-gen-encoder-generic,<dst-dir>,<src-dir>,<basename>)
    267 #
    268 #  <dst-dir> is the destination directory where the generated sources are stored
    269 #  <src-dir> is the source directory where to find <basename>.attrib, etc..
    270 #  <basename> is the emugen basename (see host/tools/emugen/README)
    271 #
    272 emugl-gen-encoder-generic = $(eval $(emugl-gen-encoder-generic-ev))
    273 
    274 define emugl-gen-encoder-generic-ev
    275 _emugl_enc := $$1/$$3
    276 _emugl_src := $$2/$$3
    277 GEN := $$(_emugl_enc)_entry.cpp \
    278        $$(_emugl_enc)_enc.cpp \
    279        $$(_emugl_enc)_enc.h \
    280        $$(_emugl_enc)_ftable.h \
    281        $$(_emugl_enc)_opcodes.h \
    282        $$(_emugl_enc)_client_context.h \
    283        $$(_emugl_enc)_client_context.cpp
    284 
    285 $$(GEN): PRIVATE_PATH := $$(LOCAL_PATH)
    286 $$(GEN): PRIVATE_CUSTOM_TOOL := $$(EMUGL_EMUGEN) -E $$1 -i $$2 $$3
    287 $$(GEN): $$(EMUGL_EMUGEN) $$(_emugl_src).attrib $$(_emugl_src).in $$(_emugl_src).types
    288 	$$(transform-generated-source)
    289 
    290 $$(call emugl-export,ADDITIONAL_DEPENDENCIES,$$(GEN))
    291 LOCAL_GENERATED_SOURCES += $$(GEN)
    292 LOCAL_C_INCLUDES += $$1
    293 endef
    294 
    295 
    296 # DO NOT CALL DIRECTLY, USE emugl-gen-wrapper instead.
    297 #
    298 # The following function can be called to generate GL library wrapper
    299 # Usage is:
    300 #
    301 #  $(call emugl-gen-wrapper-generic,<dst-dir>,<src-dir>,<basename>)
    302 #
    303 #  <dst-dir> is the destination directory where the generated sources are stored
    304 #  <src-dir> is the source directory where to find <basename>.attrib, etc..
    305 #  <basename> is the emugen basename (see host/tools/emugen/README)
    306 #
    307 emugl-gen-wrapper-generic = $(eval $(emugl-gen-wrapper-generic-ev))
    308 
    309 define emugl-gen-wrapper-generic-ev
    310 _emugl_wrap := $$1/$$3
    311 _emugl_src  := $$2/$$3
    312 GEN := $$(_emugl_wrap)_wrapper_entry.cpp \
    313        $$(_emugl_wrap)_wrapper_context.cpp \
    314        $$(_emugl_wrap)_wrapper_context.h \
    315        $$(_emugl_wrap)_wrapper_proc.h
    316 
    317 $$(GEN): PRIVATE_PATH := $$(LOCAL_PATH)
    318 $$(GEN): PRIVATE_CUSTOM_TOOL := $$(EMUGL_EMUGEN) -W $$1 -i $$2 $$3
    319 $$(GEN): $$(EMUGL_EMUGEN) $$(_emugl_src).attrib $$(_emugl_src).in $$(_emugl_src).types
    320 	$$(transform-generated-source)
    321 
    322 $$(call emugl-export,ADDITIONAL_DEPENDENCIES,$$(GEN))
    323 LOCAL_GENERATED_SOURCES += $$(GEN)
    324 LOCAL_C_INCLUDES += $$1
    325 
    326 #ifneq ($$(HOST_OS),windows)
    327 $$(call emugl-export,LDFLAGS,-ldl)
    328 #endif
    329 
    330 endef
    331 
    332 # Call this function when your shared library must be placed in a non-standard
    333 # library path (i.e. not under /system/lib
    334 # $1: library sub-path,relative to /system/lib
    335 # For example: $(call emugl-set-shared-library-subpath,egl)
    336 emugl-set-shared-library-subpath = \
    337     $(eval LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/$1)\
    338     $(eval LOCAL_UNSTRIPPED_PATH := $(TARGET_OUT_SHARED_LIBRARIES_UNSTRIPPED)/$1)\
    339     $(eval _emugl.$(LOCAL_MODULE).moved := true)\
    340     $(call emugl-export-outer,ADDITIONAL_DEPENDENCIES,$(LOCAL_MODULE_PATH)/$(LOCAL_MODULE)$(TARGET_SHLIB_SUFFIX))
    341 
    342