skia2/gn/skia.gni
Leon Scroggins III a77f30c7db Reland "Split building encoding from decoding"
This reverts commit 9d4b788807.
Copyright issue has been fixed in
https://skia-review.googlesource.com/c/skia/+/275998.

Original description:
Bug: skia:9756

In CanvasKit, a large part of the binary is for encoding. Clients
would be happier with a smaller binary and no webp/jpeg encoding. Make
this an option by splitting up the GN arguments.

Split SK_HAS_WEBP_LIBRARY into SK_CODEC_DECODES_WEBP (to match the
existing SK_CODEC_DECODES_RAW) and SK_ENCODE_WEBP. Same for JPEG and
PNG.

Update CanvasKit compile script to disable webp and jpeg encoding.
Update debugger compile script to disable all encoding.

Change IsPng signature to match other SkCodecs.

TBR=djsollen@google.com

Change-Id: Ic847bae0154e0a2922100b3f2ee14a077ee5635a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/276007
Reviewed-by: Derek Sollenberger <djsollen@google.com>
Commit-Queue: Leon Scroggins <scroggo@google.com>
2020-03-09 20:21:19 +00:00

109 lines
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# Copyright 2019 Google LLC.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
if (!defined(is_skia_standalone)) {
is_skia_standalone = false
}
is_skia_dev_build = is_skia_standalone && !is_official_build
declare_args() {
skia_android_serial = ""
skia_compile_processors = false
skia_enable_ccpr = true
skia_enable_discrete_gpu = true
skia_enable_flutter_defines = false
skia_enable_fontmgr_empty = false
skia_enable_fontmgr_fuchsia = is_fuchsia
skia_enable_fontmgr_win = is_win
skia_enable_fontmgr_win_gdi = is_win
skia_enable_gpu = true
skia_enable_pdf = true
skia_enable_skottie = !(is_win && is_component_build)
skia_enable_sksl_interpreter = is_skia_dev_build
skia_enable_skvm_jit =
is_skia_dev_build && ((target_cpu == "x64" && (is_linux || is_mac)) ||
(target_cpu == "arm64" && is_android))
skia_enable_tools = is_skia_dev_build
skia_enable_gpu_debug_layers = is_skia_dev_build && is_debug
skia_generate_workarounds = false
skia_include_multiframe_procs = false
skia_lex = false
skia_libgifcodec_path = "third_party/externals/libgifcodec"
skia_pdf_subset_harfbuzz = false # TODO: set skia_pdf_subset_harfbuzz to skia_use_harfbuzz.
skia_qt_path = getenv("QT_PATH")
skia_skqp_global_error_tolerance = 0
skia_tools_require_resources = false
skia_update_fuchsia_sdk = false
skia_use_angle = false
skia_use_dawn = false
skia_use_direct3d = false
skia_use_egl = false
skia_use_expat = true
skia_use_experimental_xform = false
skia_use_ffmpeg = false
skia_use_fixed_gamma_text = is_android
skia_use_fontconfig = is_linux
skia_use_fonthost_mac = is_mac
skia_use_freetype = is_android || is_fuchsia || is_linux
skia_use_harfbuzz = true
skia_use_gl = !is_fuchsia
skia_use_icu = !is_fuchsia
skia_use_libheif = is_skia_dev_build
skia_use_libjpeg_turbo_decode = true
skia_use_libjpeg_turbo_encode = true
skia_use_libpng_decode = true
skia_use_libpng_encode = true
skia_use_libwebp_decode = true
skia_use_libwebp_encode = true
skia_use_lua = is_skia_dev_build && !is_ios
skia_use_metal = false
skia_use_opencl = false
skia_use_piex = !is_win
skia_use_wuffs = false
skia_use_x11 = is_linux
skia_use_xps = true
skia_use_zlib = true
if (is_ios) {
skia_ios_identity = ".*Google.*"
skia_ios_profile = "Google Development"
}
if (is_mac) {
skia_gl_standard = "gl"
} else if (is_ios) {
skia_gl_standard = "gles"
} else {
skia_gl_standard = ""
}
if (is_android) {
skia_use_vulkan = defined(ndk_api) && ndk_api >= 24
} else if (is_fuchsia) {
skia_use_vulkan = true
} else {
skia_use_vulkan = defined(skia_moltenvk_path) && skia_moltenvk_path != ""
}
}
declare_args() {
skia_enable_atlas_text = is_skia_dev_build && skia_enable_gpu
skia_enable_fontmgr_android = skia_use_expat && skia_use_freetype
skia_enable_fontmgr_custom =
is_linux && skia_use_freetype && !skia_use_fontconfig
skia_enable_fontmgr_custom_empty = is_fuchsia && skia_use_freetype
skia_enable_nvpr = !skia_enable_flutter_defines
skia_enable_spirv_validation = is_skia_dev_build && is_debug && !skia_use_dawn
skia_use_dng_sdk =
!is_fuchsia && skia_use_libjpeg_turbo_decode && skia_use_zlib
skia_use_libgifcodec = !skia_use_wuffs
skia_use_sfntly = skia_use_icu
skia_enable_vulkan_debug_layers = skia_enable_gpu_debug_layers
skia_enable_direct3d_debug_layer = skia_enable_gpu_debug_layers
}
# Our tools require static linking (they use non-exported symbols), and the GPU backend.
skia_enable_tools = skia_enable_tools && !is_component_build && skia_enable_gpu