libwebp: Add a Build file for GN (from libwebp.gyp)

Android specific build rules, and some other rules not converted yet.

BUG=

Review URL: https://codereview.chromium.org/238523003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@264086 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 161 insertions, 0 deletions

diff --git a/third_party/libwebp/BUILD.gn b/third_party/libwebp/BUILD.gn
new file mode 100644
index 0000000..44b2dbd
--- /dev/null
+++ b/third_party/libwebp/BUILD.gn
@@ -0,0 +1,161 @@
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+config("libwebp_config") {
+  include_dirs = [ "." ]
+}
+
+source_set("libwebp_dec") {
+  sources = [
+    "dec/alpha.c",
+    "dec/buffer.c",
+    "dec/frame.c",
+    "dec/idec.c",
+    "dec/io.c",
+    "dec/layer.c",
+    "dec/quant.c",
+    "dec/tree.c",
+    "dec/vp8.c",
+    "dec/vp8l.c",
+    "dec/webp.c",
+  ]
+  deps = [
+    ":libwebp_dsp",
+# TODO(GYP):
+#    ":libwebp_dsp_neon",
+    ":libwebp_utils",
+  ]
+  all_dependent_configs = [
+    ":libwebp_config"
+  ]
+}
+
+source_set("libwebp_demux") {
+  sources = [
+    "demux/demux.c",
+  ]
+  all_dependent_configs = [
+    ":libwebp_config"
+  ]
+}
+
+
+source_set("libwebp_dsp") {
+  sources = [
+    "dsp/cpu.c",
+    "dsp/dec.c",
+    "dsp/dec_sse2.c",
+    "dsp/enc.c",
+    "dsp/enc_sse2.c",
+    "dsp/lossless.c",
+    "dsp/upsampling.c",
+    "dsp/upsampling_sse2.c",
+    "dsp/yuv.c",
+  ]
+  all_dependent_configs = [
+    ":libwebp_config"
+  ]
+# TODO(GYP):
+#      'conditions': [
+#        ['OS == "android"', {
+#          'includes': [ '../../build/android/cpufeatures.gypi' ],
+#        }],
+#        ['order_profiling != 0', {
+#          'target_conditions' : [
+#            ['_toolset=="target"', {
+#              'cflags!': [ '-finstrument-functions' ],
+#            }],
+#          ],
+#        }],
+#      ],
+}
+
+# TODO(GYP):
+#    {
+#      'target_name': 'libwebp_dsp_neon',
+#      'conditions': [
+#        ['target_arch == "arm" and arm_version >= 7 and (arm_neon == 1 or arm_neon_optional == 1)', {
+#          'type': 'static_library',
+#          'include_dirs': ['.'],
+#          'sources': [
+#            'dsp/dec_neon.c',
+#            'dsp/enc_neon.c',
+#            'dsp/upsampling_neon.c',
+#          ],
+#          # behavior similar to *.c.neon in an Android.mk
+#          'cflags!': [ '-mfpu=vfpv3-d16' ],
+#          'cflags': [ '-mfpu=neon' ],
+#        },{  # "target_arch != "arm" or arm_version < 7"
+#          'type': 'none',
+#        }],
+#        ['order_profiling != 0', {
+#          'target_conditions' : [
+#            ['_toolset=="target"', {
+#              'cflags!': [ '-finstrument-functions' ],
+#            }],
+#          ],
+#        }],
+#      ],
+#    },
+
+source_set("libwebp_enc") {
+  sources = [
+    "enc/alpha.c",
+    "enc/analysis.c",
+    "enc/backward_references.c",
+    "enc/config.c",
+    "enc/cost.c",
+    "enc/filter.c",
+    "enc/frame.c",
+    "enc/histogram.c",
+    "enc/iterator.c",
+    "enc/layer.c",
+    "enc/picture.c",
+    "enc/quant.c",
+    "enc/syntax.c",
+    "enc/token.c",
+    "enc/tree.c",
+    "enc/vp8l.c",
+    "enc/webpenc.c",
+  ]
+  all_dependent_configs = [
+    ":libwebp_config"
+  ]
+}
+
+source_set("libwebp_utils") {
+  sources = [
+    "utils/alpha_processing.c",
+    "utils/bit_reader.c",
+    "utils/bit_writer.c",
+    "utils/color_cache.c",
+    "utils/filters.c",
+    "utils/huffman.c",
+    "utils/huffman_encode.c",
+    "utils/quant_levels.c",
+    "utils/quant_levels_dec.c",
+    "utils/random.c",
+    "utils/rescaler.c",
+    "utils/thread.c",
+    "utils/utils.c",
+  ]
+  all_dependent_configs = [
+    ":libwebp_config"
+  ]
+}
+
+group("libwebp") {
+  deps = [
+    ":libwebp_dec",
+    ":libwebp_demux",
+    ":libwebp_dsp",
+# TODO(GYP):
+#    ":libwebp_dsp_neon",
+    ":libwebp_enc",
+    ":libwebp_utils",
+  ]
+  direct_dependent_configs = [
+    ":libwebp_config"
+  ]
+}