82 lines
2.3 KiB
Python
82 lines
2.3 KiB
Python
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package(default_visibility = ["//:__subpackages__"])
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load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library")
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load("@emsdk//emscripten_toolchain:wasm_rules.bzl", "wasm_cc_binary")
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BASE_LINKOPTS = [
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#"-flto", # https://github.com/emscripten-core/emsdk/issues/807
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"--bind", # Compiles the source code using the Embind bindings to connect C/C++ and JavaScript
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"-sALLOW_MEMORY_GROWTH",
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"-sUSE_PTHREADS=0", # Disable pthreads
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"-sMODULARIZE",
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"-sDISABLE_EXCEPTION_CATCHING", # Disable all exception catching
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"-sNODEJS_CATCH_EXIT=0", # We don't have a 'main' so disable exit() catching
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"-sWASM",
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"-sMAX_WEBGL_VERSION=2",
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]
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RELEASE_OPTS = [
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# We disable closure for now, because we need a way to pass in the externs file,
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# which does not appear to be exposed on the emscripten toolchain.
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# "--closure 1", # Run the closure compiler
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"-sASSERTIONS=0", # Turn off assertions
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]
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DEBUG_OPTS = [
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"--closure 0", # Do not use closure
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"-sASSERTIONS", # Turn on assertions
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"-sGL_ASSERTIONS",
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]
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GM_OPTS = [
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"-sEXPORT_NAME=InitWasmGMTests",
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"--pre-js",
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"modules/canvaskit/gm.js",
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]
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filegroup(
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name = "hdrs",
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srcs = [
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"WasmCommon.h",
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],
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)
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cc_binary(
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name = "gm-bindings",
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testonly = True,
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srcs = [
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"gm_bindings.cpp",
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":hdrs",
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"//gm:gms", # Required for the registry to work
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"//src/ports:default_global_init",
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"//src/ports:fontmgr",
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"//src/ports:malloc",
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"//src/ports:skdebug",
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"//src/ports:skia_image_generator",
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],
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additional_linker_inputs = ["gm.js"],
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linkopts = select({
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"//bazel/common_config_settings:debug_build": BASE_LINKOPTS + GM_OPTS + DEBUG_OPTS,
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"//bazel/common_config_settings:release_build": BASE_LINKOPTS + GM_OPTS + RELEASE_OPTS,
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"//conditions:default": BASE_LINKOPTS + GM_OPTS + RELEASE_OPTS,
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}),
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local_defines = [
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"SK_GL",
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"SK_USE_WEBGL",
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],
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# This target won't build successfully on its own because of missing emscripten
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# headers etc. Therefore, we hide it from wildcards.
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tags = ["manual"],
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deps = [
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"//:gms",
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"//:hash_and_encode",
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"//:tests",
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],
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)
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wasm_cc_binary(
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name = "gm-bindings-wasm",
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testonly = True,
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cc_target = ":gm-bindings",
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)
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