libwebp: update to 0.5.0

third_party/libwebp/BUILD.gn

Index: third_party/libwebp/BUILD.gn
diff --git a/third_party/libwebp/BUILD.gn b/third_party/libwebp/BUILD.gn
index fbaffd6f57d1954a1f88266e050b8ba582997197..8d9a1b3dbb93ca9da9e47966d64e8b1848fef4a5 100644
--- a/third_party/libwebp/BUILD.gn
+++ b/third_party/libwebp/BUILD.gn
@@ -3,6 +3,7 @@
 # found in the LICENSE file.
 
 import("//build/config/arm.gni")
+import("//build/config/sanitizers/sanitizers.gni")
 
 config("libwebp_config") {
   include_dirs = [ "." ]
@@ -54,30 +55,44 @@ source_set("libwebp_demux") {
 source_set("libwebp_dsp") {
   sources = [
     "dsp/alpha_processing.c",
-    "dsp/alpha_processing_sse2.c",
+    "dsp/alpha_processing_mips_dsp_r2.c",
+    "dsp/argb.c",
+    "dsp/argb_mips_dsp_r2.c",
+    "dsp/cost.c",
+    "dsp/cost_mips32.c",
+    "dsp/cost_mips_dsp_r2.c",
     "dsp/cpu.c",
     "dsp/dec.c",
     "dsp/dec_clip_tables.c",
     "dsp/dec_mips32.c",
-    "dsp/dec_sse2.c",
+    "dsp/dec_mips_dsp_r2.c",
     "dsp/enc.c",
     "dsp/enc_avx2.c",
     "dsp/enc_mips32.c",
-    "dsp/enc_sse2.c",
+    "dsp/enc_mips_dsp_r2.c",
+    "dsp/filters.c",
+    "dsp/filters_mips_dsp_r2.c",
     "dsp/lossless.c",
-    "dsp/lossless_mips32.c",
-    "dsp/lossless_sse2.c",
+    "dsp/lossless_enc.c",
+    "dsp/lossless_enc_mips32.c",
+    "dsp/lossless_enc_mips_dsp_r2.c",
+    "dsp/lossless_mips_dsp_r2.c",
+    "dsp/rescaler.c",
+    "dsp/rescaler_mips32.c",
+    "dsp/rescaler_mips_dsp_r2.c",
     "dsp/upsampling.c",
-    "dsp/upsampling_sse2.c",
+    "dsp/upsampling_mips_dsp_r2.c",
     "dsp/yuv.c",
     "dsp/yuv_mips32.c",
-    "dsp/yuv_sse2.c",
+    "dsp/yuv_mips_dsp_r2.c",
   ]
   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [ "//build/config/compiler:no_chromium_code" ]
 
   all_dependent_configs = [ ":libwebp_config" ]
   deps = [
+    ":libwebp_dsp_sse2",
+    ":libwebp_dsp_sse41",
     ":libwebp_utils",
   ]
   if (is_android) {
@@ -86,6 +101,57 @@ source_set("libwebp_dsp") {
     configs -= [ "//build/config/android:default_cygprofile_instrumentation" ]
     configs += [ "//build/config/android:no_cygprofile_instrumentation" ]
   }
+  if (current_cpu == "x86" || current_cpu == "x64") {
+    cflags = [
+      "-DWEBP_HAVE_SSE2",
+      "-DWEBP_HAVE_SSE41",

[Nico, 2015/12/24 15:38:49]

gn has a defines thing too:
https://code.google.com/p/chromium/codesearch#search/&q=%5Cbdefines%20file:%5...

[jzern, 2015/12/24 17:39:22]

Thanks. I didn't look around after I hit on some yasm_defines using -D.

+    ]
+  }
+}
+
+source_set("libwebp_dsp_sse41") {
+  sources = [
+    "dsp/alpha_processing_sse41.c",
+    "dsp/dec_sse41.c",
+    "dsp/enc_sse41.c",
+    "dsp/lossless_enc_sse41.c",
+  ]
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [ "//build/config/compiler:no_chromium_code" ]
+
+  all_dependent_configs = [ ":libwebp_config" ]
+  if (!is_msan) {
+    if ((current_cpu == "x86" || current_cpu == "x64") &&
+        (!is_win || is_clang)) {
+      cflags = [ "-msse4.1" ]
+    }
+  }
+}
+
+source_set("libwebp_dsp_sse2") {
+  sources = [
+    "dsp/alpha_processing_sse2.c",
+    "dsp/argb_sse2.c",
+    "dsp/cost_sse2.c",
+    "dsp/dec_sse2.c",
+    "dsp/enc_sse2.c",
+    "dsp/filters_sse2.c",
+    "dsp/lossless_enc_sse2.c",
+    "dsp/lossless_sse2.c",
+    "dsp/rescaler_sse2.c",
+    "dsp/upsampling_sse2.c",
+    "dsp/yuv_sse2.c",
+  ]
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [ "//build/config/compiler:no_chromium_code" ]
+
+  all_dependent_configs = [ ":libwebp_config" ]
+  if (!is_msan) {
+    if ((current_cpu == "x86" || current_cpu == "x64") &&
+        (!is_win || is_clang)) {
+      cflags = [ "-msse2" ]

[Nico, 2015/12/24 15:38:49]

sse2 is required by chromium and passed by default. You don't need a separate
target for sse2 (but having one doesn't hurt)

[jzern, 2015/12/24 17:39:22]

true it was working before, I just thought I'd do this for consistency.

+    }
+  }
 }
 
 if (use_dsp_neon) {
@@ -93,7 +159,9 @@ if (use_dsp_neon) {
     sources = [
       "dsp/dec_neon.c",
       "dsp/enc_neon.c",
+      "dsp/lossless_enc_neon.c",
       "dsp/lossless_neon.c",
+      "dsp/rescaler_neon.c",
       "dsp/upsampling_neon.c",
     ]
 
@@ -122,10 +190,12 @@ source_set("libwebp_enc") {
     "enc/backward_references.c",
     "enc/config.c",
     "enc/cost.c",
+    "enc/delta_palettization.c",
     "enc/filter.c",
     "enc/frame.c",
     "enc/histogram.c",
     "enc/iterator.c",
+    "enc/near_lossless.c",
     "enc/picture.c",
     "enc/picture_csp.c",
     "enc/picture_psnr.c",