# This file will be copied into //third_party/externals/libwebp via the new_local_repository # rule in WORKSPACE.bazel, so all files should be relative to that path. load("@rules_cc//cc:cc_library.bzl", "cc_library") # We define this here because the emscripten toolchain calls the cpu wasm, whereas the # bazelbuild/platforms call it wasm32. https://github.com/emscripten-core/emsdk/issues/919 config_setting( name = "cpu_wasm", values = { "cpu": "wasm", }, ) WEBP_SRCS = [ "sharpyuv/sharpyuv.c", "sharpyuv/sharpyuv.h", "sharpyuv/sharpyuv_cpu.c", "sharpyuv/sharpyuv_cpu.h", "sharpyuv/sharpyuv_csp.c", "sharpyuv/sharpyuv_csp.h", "sharpyuv/sharpyuv_dsp.c", "sharpyuv/sharpyuv_dsp.h", "sharpyuv/sharpyuv_gamma.c", "sharpyuv/sharpyuv_gamma.h", "sharpyuv/sharpyuv_neon.c", "sharpyuv/sharpyuv_sse2.c", "src/dec/alpha_dec.c", "src/dec/alphai_dec.h", "src/dec/buffer_dec.c", "src/dec/common_dec.h", "src/dec/frame_dec.c", "src/dec/idec_dec.c", "src/dec/io_dec.c", "src/dec/quant_dec.c", "src/dec/tree_dec.c", "src/dec/vp8_dec.c", "src/dec/vp8_dec.h", "src/dec/vp8i_dec.h", "src/dec/vp8l_dec.c", "src/dec/vp8li_dec.h", "src/dec/webp_dec.c", "src/dec/webpi_dec.h", "src/demux/anim_decode.c", "src/demux/demux.c", "src/dsp/alpha_processing.c", "src/dsp/alpha_processing_mips_dsp_r2.c", "src/dsp/alpha_processing_neon.c", "src/dsp/alpha_processing_sse2.c", "src/dsp/common_sse2.h", "src/dsp/common_sse41.h", "src/dsp/cost.c", "src/dsp/cost_mips32.c", "src/dsp/cost_mips_dsp_r2.c", "src/dsp/cost_neon.c", "src/dsp/cost_sse2.c", "src/dsp/cpu.c", "src/dsp/cpu.h", "src/dsp/dec.c", "src/dsp/dec_clip_tables.c", "src/dsp/dec_mips32.c", "src/dsp/dec_mips_dsp_r2.c", "src/dsp/dec_msa.c", "src/dsp/dec_neon.c", "src/dsp/dec_sse2.c", "src/dsp/dsp.h", "src/dsp/enc.c", "src/dsp/enc_mips32.c", "src/dsp/enc_mips_dsp_r2.c", "src/dsp/enc_msa.c", "src/dsp/enc_neon.c", "src/dsp/enc_sse2.c", "src/dsp/filters.c", "src/dsp/filters_mips_dsp_r2.c", "src/dsp/filters_msa.c", "src/dsp/filters_neon.c", "src/dsp/filters_sse2.c", "src/dsp/lossless.c", "src/dsp/lossless.h", "src/dsp/lossless_common.h", "src/dsp/lossless_enc.c", "src/dsp/lossless_enc_mips32.c", "src/dsp/lossless_enc_mips_dsp_r2.c", "src/dsp/lossless_enc_msa.c", "src/dsp/lossless_enc_neon.c", "src/dsp/lossless_enc_sse2.c", "src/dsp/lossless_mips_dsp_r2.c", "src/dsp/lossless_msa.c", "src/dsp/lossless_neon.c", "src/dsp/lossless_sse2.c", "src/dsp/mips_macro.h", "src/dsp/msa_macro.h", "src/dsp/neon.h", "src/dsp/quant.h", "src/dsp/rescaler.c", "src/dsp/rescaler_mips32.c", "src/dsp/rescaler_mips_dsp_r2.c", "src/dsp/rescaler_msa.c", "src/dsp/rescaler_neon.c", "src/dsp/rescaler_sse2.c", "src/dsp/ssim.c", "src/dsp/ssim_sse2.c", "src/dsp/upsampling.c", "src/dsp/upsampling_mips_dsp_r2.c", "src/dsp/upsampling_msa.c", "src/dsp/upsampling_neon.c", "src/dsp/upsampling_sse2.c", "src/dsp/yuv.c", "src/dsp/yuv.h", "src/dsp/yuv_mips32.c", "src/dsp/yuv_mips_dsp_r2.c", "src/dsp/yuv_neon.c", "src/dsp/yuv_sse2.c", "src/enc/alpha_enc.c", "src/enc/analysis_enc.c", "src/enc/backward_references_cost_enc.c", "src/enc/backward_references_enc.c", "src/enc/backward_references_enc.h", "src/enc/config_enc.c", "src/enc/cost_enc.c", "src/enc/cost_enc.h", "src/enc/filter_enc.c", "src/enc/frame_enc.c", "src/enc/histogram_enc.c", "src/enc/histogram_enc.h", "src/enc/iterator_enc.c", "src/enc/near_lossless_enc.c", "src/enc/picture_csp_enc.c", "src/enc/picture_enc.c", "src/enc/picture_psnr_enc.c", "src/enc/picture_rescale_enc.c", "src/enc/picture_tools_enc.c", "src/enc/predictor_enc.c", "src/enc/quant_enc.c", "src/enc/syntax_enc.c", "src/enc/token_enc.c", "src/enc/tree_enc.c", "src/enc/vp8i_enc.h", "src/enc/vp8l_enc.c", "src/enc/vp8li_enc.h", "src/enc/webp_enc.c", "src/mux/anim_encode.c", "src/mux/animi.h", "src/mux/muxedit.c", "src/mux/muxi.h", "src/mux/muxinternal.c", "src/mux/muxread.c", "src/utils/bit_reader_inl_utils.h", "src/utils/bit_reader_utils.c", "src/utils/bit_reader_utils.h", "src/utils/bit_writer_utils.c", "src/utils/bit_writer_utils.h", "src/utils/color_cache_utils.c", "src/utils/color_cache_utils.h", "src/utils/endian_inl_utils.h", "src/utils/filters_utils.c", "src/utils/filters_utils.h", "src/utils/huffman_encode_utils.c", "src/utils/huffman_encode_utils.h", "src/utils/huffman_utils.c", "src/utils/huffman_utils.h", "src/utils/palette.c", "src/utils/palette.h", "src/utils/quant_levels_dec_utils.c", "src/utils/quant_levels_dec_utils.h", "src/utils/quant_levels_utils.c", "src/utils/quant_levels_utils.h", "src/utils/random_utils.c", "src/utils/random_utils.h", "src/utils/rescaler_utils.c", "src/utils/rescaler_utils.h", "src/utils/thread_utils.c", "src/utils/thread_utils.h", "src/utils/utils.c", "src/utils/utils.h", ] + select({ "@platforms//cpu:x86_64": [ "src/dsp/alpha_processing_sse41.c", "src/dsp/dec_sse41.c", "src/dsp/enc_sse41.c", "src/dsp/lossless_enc_sse41.c", "src/dsp/lossless_sse41.c", "src/dsp/upsampling_sse41.c", "src/dsp/yuv_sse41.c", ], ":cpu_wasm": [], # not sure why wasm doesn't use default "//conditions:default": [], }) WEBP_COPTS = [ "-Wno-unused-but-set-variable", ] + select({ "@platforms//cpu:x86_64": ["-msse4.1"], ":cpu_wasm": [], # not sure why wasm doesn't use default "//conditions:default": [], }) WEBP_DEFINES = [ # TODO(scroggo): swizzle ourself in SkWebpCodec instead of requiring this non-standard libwebp. "WEBP_SWAP_16BIT_CSP", ] cc_library( name = "libwebp", srcs = WEBP_SRCS, hdrs = [ "src/webp/decode.h", "src/webp/demux.h", "src/webp/encode.h", "src/webp/format_constants.h", "src/webp/mux.h", "src/webp/mux_types.h", "src/webp/types.h", ], copts = WEBP_COPTS, includes = ["src"], local_defines = WEBP_DEFINES, textual_hdrs = ["src/dsp/cpu.c"], visibility = ["//visibility:public"], )