Ignore deserialized path convexity and first direction.

Change-Id: Ib7bfff6225774b83d9b6e9c5baae254aab17353b
Reviewed-on: https://skia-review.googlesource.com/77680
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
diff --git a/include/core/SkPath.h b/include/core/SkPath.h
index 25aa7fc..2c05d64 100644
--- a/include/core/SkPath.h
+++ b/include/core/SkPath.h
@@ -1665,16 +1665,16 @@
 private:
     enum SerializationOffsets {
         kType_SerializationShift = 28,       // requires 4 bits
-        kDirection_SerializationShift = 26,  // requires 2 bits
+        kDirection_SerializationShift = 26,  // requires 2 bits, could be reused - ignored on read.
         kIsVolatile_SerializationShift = 25, // requires 1 bit
         // 1 free bit at 24
-        kConvexity_SerializationShift = 16,  // requires 8 bits
+        kConvexity_SerializationShift = 16,  // requires 8 bits, could be reused - ignored on read.
         kFillType_SerializationShift = 8,    // requires 8 bits
         // low-8-bits are version
     };
 
     enum SerializationVersions {
-        kPathPrivFirstDirection_Version = 1,
+        // kPathPrivFirstDirection_Version = 1,
         kPathPrivLastMoveToIndex_Version = 2,
         kPathPrivTypeEnumVersion = 3,
         kCurrent_Version = 3
diff --git a/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus10-CPU-Exynos5250-arm-Release-All-Android.json b/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus10-CPU-Exynos5250-arm-Release-All-Android.json
index dd69369..61011a8 100644
--- a/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus10-CPU-Exynos5250-arm-Release-All-Android.json
+++ b/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus10-CPU-Exynos5250-arm-Release-All-Android.json
@@ -753,7 +753,7 @@
       "--json-output",
       "/path/to/tmp/json",
       "copy",
-      "set -x; /data/local/tmp/dm --resourcePath /sdcard/revenge_of_the_skiabot/resources --skps /sdcard/revenge_of_the_skiabot/skps --images /sdcard/revenge_of_the_skiabot/images/dm --colorImages /sdcard/revenge_of_the_skiabot/images/colorspace --nameByHash --properties gitHash abc123 builder Test-Android-Clang-Nexus10-CPU-Exynos5250-arm-Release-All-Android buildbucket_build_id 123454321 swarming_bot_id skia-bot-123 swarming_task_id 123456 --svgs /sdcard/revenge_of_the_skiabot/svgs --key arch arm compiler Clang configuration Release cpu_or_gpu CPU cpu_or_gpu_value Exynos5250 extra_config Android model Nexus10 os Android --uninterestingHashesFile /sdcard/revenge_of_the_skiabot/uninteresting_hashes.txt --writePath /sdcard/revenge_of_the_skiabot/dm_out --dont_write pdf --ignoreSigInt --nogpu --config 8888 srgb serialize-8888 tiles_rt-8888 pic-8888 --src tests gm image colorImage --blacklist _ test _ GrShape serialize-8888 gm _ bleed_image serialize-8888 gm _ c_gms serialize-8888 gm _ colortype serialize-8888 gm _ colortype_xfermodes serialize-8888 gm _ drawfilter serialize-8888 gm _ fontmgr_bounds_0.75_0 serialize-8888 gm _ fontmgr_bounds_1_-0.25 serialize-8888 gm _ fontmgr_bounds serialize-8888 gm _ fontmgr_match serialize-8888 gm _ fontmgr_iter serialize-8888 gm _ imagemasksubset serialize-8888 gm _ bitmapfilters serialize-8888 gm _ bitmapshaders serialize-8888 gm _ bleed serialize-8888 gm _ bleed_alpha_bmp serialize-8888 gm _ bleed_alpha_bmp_shader serialize-8888 gm _ convex_poly_clip serialize-8888 gm _ extractalpha serialize-8888 gm _ filterbitmap_checkerboard_32_32_g8 serialize-8888 gm _ filterbitmap_image_mandrill_64 serialize-8888 gm _ shadows serialize-8888 gm _ simpleaaclip_aaclip serialize-8888 gm _ composeshader_bitmap serialize-8888 gm _ scaled_tilemodes_npot serialize-8888 gm _ scaled_tilemodes serialize-8888 gm _ typefacerendering_pfaMac serialize-8888 gm _ parsedpaths serialize-8888 gm _ ImageGeneratorExternal_rect serialize-8888 gm _ ImageGeneratorExternal_shader serialize-8888 gm _ shadow_utils serialize-8888 gm _ all_bitmap_configs serialize-8888 gm _ makecolorspace serialize-8888 gm _ bleed_alpha_image serialize-8888 gm _ bleed_alpha_image_shader serialize-8888 gm _ verylargebitmap serialize-8888 gm _ verylarge_picture_image pic-8888 gm _ drawfilter pic-8888 gm _ image-cacherator-from-picture serialize-8888 gm _ image-cacherator-from-picture pic-8888 gm _ image-cacherator-from-raster serialize-8888 gm _ image-cacherator-from-raster pic-8888 gm _ image-cacherator-from-ctable serialize-8888 gm _ image-cacherator-from-ctable pic-8888 gm _ gamut serialize-8888 gm _ gamut pic-8888 gm _ complexclip4_bw serialize-8888 gm _ complexclip4_bw pic-8888 gm _ complexclip4_aa serialize-8888 gm _ complexclip4_aa tiles_rt-8888 gm _ complexclip4_bw tiles_rt-8888 gm _ complexclip4_aa --match ~CopySurface ~SRGBReadWritePixels --nonativeFonts --verbose; echo $? >/data/local/tmp/rc",
+      "set -x; /data/local/tmp/dm --resourcePath /sdcard/revenge_of_the_skiabot/resources --skps /sdcard/revenge_of_the_skiabot/skps --images /sdcard/revenge_of_the_skiabot/images/dm --colorImages /sdcard/revenge_of_the_skiabot/images/colorspace --nameByHash --properties gitHash abc123 builder Test-Android-Clang-Nexus10-CPU-Exynos5250-arm-Release-All-Android buildbucket_build_id 123454321 swarming_bot_id skia-bot-123 swarming_task_id 123456 --svgs /sdcard/revenge_of_the_skiabot/svgs --key arch arm compiler Clang configuration Release cpu_or_gpu CPU cpu_or_gpu_value Exynos5250 extra_config Android model Nexus10 os Android --uninterestingHashesFile /sdcard/revenge_of_the_skiabot/uninteresting_hashes.txt --writePath /sdcard/revenge_of_the_skiabot/dm_out --dont_write pdf --ignoreSigInt --nogpu --config 8888 srgb serialize-8888 tiles_rt-8888 pic-8888 --src tests gm image colorImage --blacklist _ test _ GrShape serialize-8888 gm _ bleed_image serialize-8888 gm _ c_gms serialize-8888 gm _ colortype serialize-8888 gm _ colortype_xfermodes serialize-8888 gm _ drawfilter serialize-8888 gm _ fontmgr_bounds_0.75_0 serialize-8888 gm _ fontmgr_bounds_1_-0.25 serialize-8888 gm _ fontmgr_bounds serialize-8888 gm _ fontmgr_match serialize-8888 gm _ fontmgr_iter serialize-8888 gm _ imagemasksubset serialize-8888 gm _ bitmapfilters serialize-8888 gm _ bitmapshaders serialize-8888 gm _ bleed serialize-8888 gm _ bleed_alpha_bmp serialize-8888 gm _ bleed_alpha_bmp_shader serialize-8888 gm _ convex_poly_clip serialize-8888 gm _ extractalpha serialize-8888 gm _ filterbitmap_checkerboard_32_32_g8 serialize-8888 gm _ filterbitmap_image_mandrill_64 serialize-8888 gm _ shadows serialize-8888 gm _ simpleaaclip_aaclip serialize-8888 gm _ composeshader_bitmap serialize-8888 gm _ scaled_tilemodes_npot serialize-8888 gm _ scaled_tilemodes serialize-8888 gm _ typefacerendering_pfaMac serialize-8888 gm _ parsedpaths serialize-8888 gm _ ImageGeneratorExternal_rect serialize-8888 gm _ ImageGeneratorExternal_shader serialize-8888 gm _ shadow_utils serialize-8888 gm _ all_bitmap_configs serialize-8888 gm _ makecolorspace serialize-8888 gm _ analytic_antialias_convex serialize-8888 gm _ bleed_alpha_image serialize-8888 gm _ bleed_alpha_image_shader serialize-8888 gm _ verylargebitmap serialize-8888 gm _ verylarge_picture_image pic-8888 gm _ drawfilter pic-8888 gm _ image-cacherator-from-picture serialize-8888 gm _ image-cacherator-from-picture pic-8888 gm _ image-cacherator-from-raster serialize-8888 gm _ image-cacherator-from-raster pic-8888 gm _ image-cacherator-from-ctable serialize-8888 gm _ image-cacherator-from-ctable pic-8888 gm _ gamut serialize-8888 gm _ gamut pic-8888 gm _ complexclip4_bw serialize-8888 gm _ complexclip4_bw pic-8888 gm _ complexclip4_aa serialize-8888 gm _ complexclip4_aa tiles_rt-8888 gm _ complexclip4_bw tiles_rt-8888 gm _ complexclip4_aa --match ~CopySurface ~SRGBReadWritePixels --nonativeFonts --verbose; echo $? >/data/local/tmp/rc",
       "[START_DIR]/tmp/dm.sh"
     ],
     "env": {
diff --git a/infra/bots/recipes/test.expected/Test-Android-Clang-NexusPlayer-CPU-Moorefield-x86-Release-All-Android.json b/infra/bots/recipes/test.expected/Test-Android-Clang-NexusPlayer-CPU-Moorefield-x86-Release-All-Android.json
index e24d0b2..ece7186 100644
--- a/infra/bots/recipes/test.expected/Test-Android-Clang-NexusPlayer-CPU-Moorefield-x86-Release-All-Android.json
+++ b/infra/bots/recipes/test.expected/Test-Android-Clang-NexusPlayer-CPU-Moorefield-x86-Release-All-Android.json
@@ -753,7 +753,7 @@
       "--json-output",
       "/path/to/tmp/json",
       "copy",
-      "set -x; /data/local/tmp/dm --resourcePath /sdcard/revenge_of_the_skiabot/resources --skps /sdcard/revenge_of_the_skiabot/skps --images /sdcard/revenge_of_the_skiabot/images/dm --colorImages /sdcard/revenge_of_the_skiabot/images/colorspace --nameByHash --properties gitHash abc123 builder Test-Android-Clang-NexusPlayer-CPU-Moorefield-x86-Release-All-Android buildbucket_build_id 123454321 swarming_bot_id skia-bot-123 swarming_task_id 123456 --svgs /sdcard/revenge_of_the_skiabot/svgs --key arch x86 compiler Clang configuration Release cpu_or_gpu CPU cpu_or_gpu_value Moorefield extra_config Android model NexusPlayer os Android --uninterestingHashesFile /sdcard/revenge_of_the_skiabot/uninteresting_hashes.txt --writePath /sdcard/revenge_of_the_skiabot/dm_out --dont_write pdf --ignoreSigInt --nogpu --config 8888 srgb serialize-8888 tiles_rt-8888 pic-8888 --src tests gm image colorImage --blacklist _ test _ GrShape serialize-8888 gm _ bleed_image serialize-8888 gm _ c_gms serialize-8888 gm _ colortype serialize-8888 gm _ colortype_xfermodes serialize-8888 gm _ drawfilter serialize-8888 gm _ fontmgr_bounds_0.75_0 serialize-8888 gm _ fontmgr_bounds_1_-0.25 serialize-8888 gm _ fontmgr_bounds serialize-8888 gm _ fontmgr_match serialize-8888 gm _ fontmgr_iter serialize-8888 gm _ imagemasksubset serialize-8888 gm _ bitmapfilters serialize-8888 gm _ bitmapshaders serialize-8888 gm _ bleed serialize-8888 gm _ bleed_alpha_bmp serialize-8888 gm _ bleed_alpha_bmp_shader serialize-8888 gm _ convex_poly_clip serialize-8888 gm _ extractalpha serialize-8888 gm _ filterbitmap_checkerboard_32_32_g8 serialize-8888 gm _ filterbitmap_image_mandrill_64 serialize-8888 gm _ shadows serialize-8888 gm _ simpleaaclip_aaclip serialize-8888 gm _ composeshader_bitmap serialize-8888 gm _ scaled_tilemodes_npot serialize-8888 gm _ scaled_tilemodes serialize-8888 gm _ typefacerendering_pfaMac serialize-8888 gm _ parsedpaths serialize-8888 gm _ ImageGeneratorExternal_rect serialize-8888 gm _ ImageGeneratorExternal_shader serialize-8888 gm _ shadow_utils serialize-8888 gm _ all_bitmap_configs serialize-8888 gm _ makecolorspace serialize-8888 gm _ bleed_alpha_image serialize-8888 gm _ bleed_alpha_image_shader serialize-8888 gm _ verylargebitmap serialize-8888 gm _ verylarge_picture_image pic-8888 gm _ drawfilter pic-8888 gm _ image-cacherator-from-picture serialize-8888 gm _ image-cacherator-from-picture pic-8888 gm _ image-cacherator-from-raster serialize-8888 gm _ image-cacherator-from-raster pic-8888 gm _ image-cacherator-from-ctable serialize-8888 gm _ image-cacherator-from-ctable pic-8888 gm _ gamut serialize-8888 gm _ gamut pic-8888 gm _ complexclip4_bw serialize-8888 gm _ complexclip4_bw pic-8888 gm _ complexclip4_aa serialize-8888 gm _ complexclip4_aa tiles_rt-8888 gm _ complexclip4_bw tiles_rt-8888 gm _ complexclip4_aa --noRAW_threading --nonativeFonts --verbose; echo $? >/data/local/tmp/rc",
+      "set -x; /data/local/tmp/dm --resourcePath /sdcard/revenge_of_the_skiabot/resources --skps /sdcard/revenge_of_the_skiabot/skps --images /sdcard/revenge_of_the_skiabot/images/dm --colorImages /sdcard/revenge_of_the_skiabot/images/colorspace --nameByHash --properties gitHash abc123 builder Test-Android-Clang-NexusPlayer-CPU-Moorefield-x86-Release-All-Android buildbucket_build_id 123454321 swarming_bot_id skia-bot-123 swarming_task_id 123456 --svgs /sdcard/revenge_of_the_skiabot/svgs --key arch x86 compiler Clang configuration Release cpu_or_gpu CPU cpu_or_gpu_value Moorefield extra_config Android model NexusPlayer os Android --uninterestingHashesFile /sdcard/revenge_of_the_skiabot/uninteresting_hashes.txt --writePath /sdcard/revenge_of_the_skiabot/dm_out --dont_write pdf --ignoreSigInt --nogpu --config 8888 srgb serialize-8888 tiles_rt-8888 pic-8888 --src tests gm image colorImage --blacklist _ test _ GrShape serialize-8888 gm _ bleed_image serialize-8888 gm _ c_gms serialize-8888 gm _ colortype serialize-8888 gm _ colortype_xfermodes serialize-8888 gm _ drawfilter serialize-8888 gm _ fontmgr_bounds_0.75_0 serialize-8888 gm _ fontmgr_bounds_1_-0.25 serialize-8888 gm _ fontmgr_bounds serialize-8888 gm _ fontmgr_match serialize-8888 gm _ fontmgr_iter serialize-8888 gm _ imagemasksubset serialize-8888 gm _ bitmapfilters serialize-8888 gm _ bitmapshaders serialize-8888 gm _ bleed serialize-8888 gm _ bleed_alpha_bmp serialize-8888 gm _ bleed_alpha_bmp_shader serialize-8888 gm _ convex_poly_clip serialize-8888 gm _ extractalpha serialize-8888 gm _ filterbitmap_checkerboard_32_32_g8 serialize-8888 gm _ filterbitmap_image_mandrill_64 serialize-8888 gm _ shadows serialize-8888 gm _ simpleaaclip_aaclip serialize-8888 gm _ composeshader_bitmap serialize-8888 gm _ scaled_tilemodes_npot serialize-8888 gm _ scaled_tilemodes serialize-8888 gm _ typefacerendering_pfaMac serialize-8888 gm _ parsedpaths serialize-8888 gm _ ImageGeneratorExternal_rect serialize-8888 gm _ ImageGeneratorExternal_shader serialize-8888 gm _ shadow_utils serialize-8888 gm _ all_bitmap_configs serialize-8888 gm _ makecolorspace serialize-8888 gm _ analytic_antialias_convex serialize-8888 gm _ bleed_alpha_image serialize-8888 gm _ bleed_alpha_image_shader serialize-8888 gm _ verylargebitmap serialize-8888 gm _ verylarge_picture_image pic-8888 gm _ drawfilter pic-8888 gm _ image-cacherator-from-picture serialize-8888 gm _ image-cacherator-from-picture pic-8888 gm _ image-cacherator-from-raster serialize-8888 gm _ image-cacherator-from-raster pic-8888 gm _ image-cacherator-from-ctable serialize-8888 gm _ image-cacherator-from-ctable pic-8888 gm _ gamut serialize-8888 gm _ gamut pic-8888 gm _ complexclip4_bw serialize-8888 gm _ complexclip4_bw pic-8888 gm _ complexclip4_aa serialize-8888 gm _ complexclip4_aa tiles_rt-8888 gm _ complexclip4_bw tiles_rt-8888 gm _ complexclip4_aa --noRAW_threading --nonativeFonts --verbose; echo $? >/data/local/tmp/rc",
       "[START_DIR]/tmp/dm.sh"
     ],
     "env": {
diff --git a/infra/bots/recipes/test.expected/Test-Android-Clang-PixelC-CPU-TegraX1-arm64-Debug-All-Android.json b/infra/bots/recipes/test.expected/Test-Android-Clang-PixelC-CPU-TegraX1-arm64-Debug-All-Android.json
index a582643..86179ea 100644
--- a/infra/bots/recipes/test.expected/Test-Android-Clang-PixelC-CPU-TegraX1-arm64-Debug-All-Android.json
+++ b/infra/bots/recipes/test.expected/Test-Android-Clang-PixelC-CPU-TegraX1-arm64-Debug-All-Android.json
@@ -753,7 +753,7 @@
       "--json-output",
       "/path/to/tmp/json",
       "copy",
-      "set -x; /data/local/tmp/dm --resourcePath /sdcard/revenge_of_the_skiabot/resources --skps /sdcard/revenge_of_the_skiabot/skps --images /sdcard/revenge_of_the_skiabot/images/dm --colorImages /sdcard/revenge_of_the_skiabot/images/colorspace --nameByHash --properties gitHash abc123 builder Test-Android-Clang-PixelC-CPU-TegraX1-arm64-Debug-All-Android buildbucket_build_id 123454321 swarming_bot_id skia-bot-123 swarming_task_id 123456 --svgs /sdcard/revenge_of_the_skiabot/svgs --key arch arm64 compiler Clang configuration Debug cpu_or_gpu CPU cpu_or_gpu_value TegraX1 extra_config Android model PixelC os Android --uninterestingHashesFile /sdcard/revenge_of_the_skiabot/uninteresting_hashes.txt --writePath /sdcard/revenge_of_the_skiabot/dm_out --dont_write pdf --ignoreSigInt --nogpu --config 8888 srgb serialize-8888 tiles_rt-8888 pic-8888 --src tests gm image colorImage --gpuThreads 0 --blacklist _ test _ GrShape serialize-8888 gm _ bleed_image serialize-8888 gm _ c_gms serialize-8888 gm _ colortype serialize-8888 gm _ colortype_xfermodes serialize-8888 gm _ drawfilter serialize-8888 gm _ fontmgr_bounds_0.75_0 serialize-8888 gm _ fontmgr_bounds_1_-0.25 serialize-8888 gm _ fontmgr_bounds serialize-8888 gm _ fontmgr_match serialize-8888 gm _ fontmgr_iter serialize-8888 gm _ imagemasksubset serialize-8888 gm _ bitmapfilters serialize-8888 gm _ bitmapshaders serialize-8888 gm _ bleed serialize-8888 gm _ bleed_alpha_bmp serialize-8888 gm _ bleed_alpha_bmp_shader serialize-8888 gm _ convex_poly_clip serialize-8888 gm _ extractalpha serialize-8888 gm _ filterbitmap_checkerboard_32_32_g8 serialize-8888 gm _ filterbitmap_image_mandrill_64 serialize-8888 gm _ shadows serialize-8888 gm _ simpleaaclip_aaclip serialize-8888 gm _ composeshader_bitmap serialize-8888 gm _ scaled_tilemodes_npot serialize-8888 gm _ scaled_tilemodes serialize-8888 gm _ typefacerendering_pfaMac serialize-8888 gm _ parsedpaths serialize-8888 gm _ ImageGeneratorExternal_rect serialize-8888 gm _ ImageGeneratorExternal_shader serialize-8888 gm _ shadow_utils serialize-8888 gm _ all_bitmap_configs serialize-8888 gm _ makecolorspace serialize-8888 gm _ bleed_alpha_image serialize-8888 gm _ bleed_alpha_image_shader serialize-8888 gm _ verylargebitmap serialize-8888 gm _ verylarge_picture_image pic-8888 gm _ drawfilter pic-8888 gm _ image-cacherator-from-picture serialize-8888 gm _ image-cacherator-from-picture pic-8888 gm _ image-cacherator-from-raster serialize-8888 gm _ image-cacherator-from-raster pic-8888 gm _ image-cacherator-from-ctable serialize-8888 gm _ image-cacherator-from-ctable pic-8888 gm _ gamut serialize-8888 gm _ gamut pic-8888 gm _ complexclip4_bw serialize-8888 gm _ complexclip4_bw pic-8888 gm _ complexclip4_aa serialize-8888 gm _ complexclip4_aa tiles_rt-8888 gm _ complexclip4_bw tiles_rt-8888 gm _ complexclip4_aa --nonativeFonts --verbose; echo $? >/data/local/tmp/rc",
+      "set -x; /data/local/tmp/dm --resourcePath /sdcard/revenge_of_the_skiabot/resources --skps /sdcard/revenge_of_the_skiabot/skps --images /sdcard/revenge_of_the_skiabot/images/dm --colorImages /sdcard/revenge_of_the_skiabot/images/colorspace --nameByHash --properties gitHash abc123 builder Test-Android-Clang-PixelC-CPU-TegraX1-arm64-Debug-All-Android buildbucket_build_id 123454321 swarming_bot_id skia-bot-123 swarming_task_id 123456 --svgs /sdcard/revenge_of_the_skiabot/svgs --key arch arm64 compiler Clang configuration Debug cpu_or_gpu CPU cpu_or_gpu_value TegraX1 extra_config Android model PixelC os Android --uninterestingHashesFile /sdcard/revenge_of_the_skiabot/uninteresting_hashes.txt --writePath /sdcard/revenge_of_the_skiabot/dm_out --dont_write pdf --ignoreSigInt --nogpu --config 8888 srgb serialize-8888 tiles_rt-8888 pic-8888 --src tests gm image colorImage --gpuThreads 0 --blacklist _ test _ GrShape serialize-8888 gm _ bleed_image serialize-8888 gm _ c_gms serialize-8888 gm _ colortype serialize-8888 gm _ colortype_xfermodes serialize-8888 gm _ drawfilter serialize-8888 gm _ fontmgr_bounds_0.75_0 serialize-8888 gm _ fontmgr_bounds_1_-0.25 serialize-8888 gm _ fontmgr_bounds serialize-8888 gm _ fontmgr_match serialize-8888 gm _ fontmgr_iter serialize-8888 gm _ imagemasksubset serialize-8888 gm _ bitmapfilters serialize-8888 gm _ bitmapshaders serialize-8888 gm _ bleed serialize-8888 gm _ bleed_alpha_bmp serialize-8888 gm _ bleed_alpha_bmp_shader serialize-8888 gm _ convex_poly_clip serialize-8888 gm _ extractalpha serialize-8888 gm _ filterbitmap_checkerboard_32_32_g8 serialize-8888 gm _ filterbitmap_image_mandrill_64 serialize-8888 gm _ shadows serialize-8888 gm _ simpleaaclip_aaclip serialize-8888 gm _ composeshader_bitmap serialize-8888 gm _ scaled_tilemodes_npot serialize-8888 gm _ scaled_tilemodes serialize-8888 gm _ typefacerendering_pfaMac serialize-8888 gm _ parsedpaths serialize-8888 gm _ ImageGeneratorExternal_rect serialize-8888 gm _ ImageGeneratorExternal_shader serialize-8888 gm _ shadow_utils serialize-8888 gm _ all_bitmap_configs serialize-8888 gm _ makecolorspace serialize-8888 gm _ analytic_antialias_convex serialize-8888 gm _ bleed_alpha_image serialize-8888 gm _ bleed_alpha_image_shader serialize-8888 gm _ verylargebitmap serialize-8888 gm _ verylarge_picture_image pic-8888 gm _ drawfilter pic-8888 gm _ image-cacherator-from-picture serialize-8888 gm _ image-cacherator-from-picture pic-8888 gm _ image-cacherator-from-raster serialize-8888 gm _ image-cacherator-from-raster pic-8888 gm _ image-cacherator-from-ctable serialize-8888 gm _ image-cacherator-from-ctable pic-8888 gm _ gamut serialize-8888 gm _ gamut pic-8888 gm _ complexclip4_bw serialize-8888 gm _ complexclip4_bw pic-8888 gm _ complexclip4_aa serialize-8888 gm _ complexclip4_aa tiles_rt-8888 gm _ complexclip4_bw tiles_rt-8888 gm _ complexclip4_aa --nonativeFonts --verbose; echo $? >/data/local/tmp/rc",
       "[START_DIR]/tmp/dm.sh"
     ],
     "env": {
diff --git a/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-All-ASAN.json b/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-All-ASAN.json
index 5c9aaa5..8a032f7 100644
--- a/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-All-ASAN.json
+++ b/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-All-ASAN.json
@@ -328,6 +328,10 @@
       "serialize-8888",
       "gm",
       "_",
+      "analytic_antialias_convex",
+      "serialize-8888",
+      "gm",
+      "_",
       "bleed_alpha_image",
       "serialize-8888",
       "gm",
diff --git a/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-All-MSAN.json b/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-All-MSAN.json
index 769b2b2..ff0a718 100644
--- a/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-All-MSAN.json
+++ b/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-All-MSAN.json
@@ -322,6 +322,10 @@
       "serialize-8888",
       "gm",
       "_",
+      "analytic_antialias_convex",
+      "serialize-8888",
+      "gm",
+      "_",
       "bleed_alpha_image",
       "serialize-8888",
       "gm",
diff --git a/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-All-SK_USE_DISCARDABLE_SCALEDIMAGECACHE.json b/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-All-SK_USE_DISCARDABLE_SCALEDIMAGECACHE.json
index fa217f2..d99413d 100644
--- a/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-All-SK_USE_DISCARDABLE_SCALEDIMAGECACHE.json
+++ b/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-All-SK_USE_DISCARDABLE_SCALEDIMAGECACHE.json
@@ -394,6 +394,10 @@
       "serialize-8888",
       "gm",
       "_",
+      "analytic_antialias_convex",
+      "serialize-8888",
+      "gm",
+      "_",
       "bleed_alpha_image",
       "serialize-8888",
       "gm",
diff --git a/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-All-UBSAN_float_cast_overflow.json b/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-All-UBSAN_float_cast_overflow.json
index 4d74b6c..59607dd 100644
--- a/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-All-UBSAN_float_cast_overflow.json
+++ b/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-All-UBSAN_float_cast_overflow.json
@@ -323,6 +323,10 @@
       "serialize-8888",
       "gm",
       "_",
+      "analytic_antialias_convex",
+      "serialize-8888",
+      "gm",
+      "_",
       "bleed_alpha_image",
       "serialize-8888",
       "gm",
diff --git a/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-shard_00_10-Coverage.json b/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-shard_00_10-Coverage.json
index ad1cea2..cf4ed0a 100644
--- a/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-shard_00_10-Coverage.json
+++ b/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Debug-shard_00_10-Coverage.json
@@ -328,6 +328,10 @@
       "serialize-8888",
       "gm",
       "_",
+      "analytic_antialias_convex",
+      "serialize-8888",
+      "gm",
+      "_",
       "bleed_alpha_image",
       "serialize-8888",
       "gm",
diff --git a/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Release-All-TSAN.json b/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Release-All-TSAN.json
index c3b045d..559e837 100644
--- a/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Release-All-TSAN.json
+++ b/infra/bots/recipes/test.expected/Test-Debian9-Clang-GCE-CPU-AVX2-x86_64-Release-All-TSAN.json
@@ -323,6 +323,10 @@
       "serialize-8888",
       "gm",
       "_",
+      "analytic_antialias_convex",
+      "serialize-8888",
+      "gm",
+      "_",
       "bleed_alpha_image",
       "serialize-8888",
       "gm",
diff --git a/infra/bots/recipes/test.expected/Test-Debian9-GCC-GCE-CPU-AVX2-x86-Debug-All.json b/infra/bots/recipes/test.expected/Test-Debian9-GCC-GCE-CPU-AVX2-x86-Debug-All.json
index e27a854..df767c2 100644
--- a/infra/bots/recipes/test.expected/Test-Debian9-GCC-GCE-CPU-AVX2-x86-Debug-All.json
+++ b/infra/bots/recipes/test.expected/Test-Debian9-GCC-GCE-CPU-AVX2-x86-Debug-All.json
@@ -392,6 +392,10 @@
       "serialize-8888",
       "gm",
       "_",
+      "analytic_antialias_convex",
+      "serialize-8888",
+      "gm",
+      "_",
       "bleed_alpha_image",
       "serialize-8888",
       "gm",
diff --git a/infra/bots/recipes/test.expected/Test-Debian9-GCC-GCE-CPU-AVX2-x86_64-Debug-All.json b/infra/bots/recipes/test.expected/Test-Debian9-GCC-GCE-CPU-AVX2-x86_64-Debug-All.json
index 8785bd0..4bb2464 100644
--- a/infra/bots/recipes/test.expected/Test-Debian9-GCC-GCE-CPU-AVX2-x86_64-Debug-All.json
+++ b/infra/bots/recipes/test.expected/Test-Debian9-GCC-GCE-CPU-AVX2-x86_64-Debug-All.json
@@ -390,6 +390,10 @@
       "serialize-8888",
       "gm",
       "_",
+      "analytic_antialias_convex",
+      "serialize-8888",
+      "gm",
+      "_",
       "bleed_alpha_image",
       "serialize-8888",
       "gm",
diff --git a/infra/bots/recipes/test.expected/Test-Mac-Clang-MacMini7.1-CPU-AVX-x86_64-Release-All.json b/infra/bots/recipes/test.expected/Test-Mac-Clang-MacMini7.1-CPU-AVX-x86_64-Release-All.json
index 031d2dd..8c8a183 100644
--- a/infra/bots/recipes/test.expected/Test-Mac-Clang-MacMini7.1-CPU-AVX-x86_64-Release-All.json
+++ b/infra/bots/recipes/test.expected/Test-Mac-Clang-MacMini7.1-CPU-AVX-x86_64-Release-All.json
@@ -484,6 +484,10 @@
       "gm",
       "_",
       "makecolorspace",
+      "serialize-8888",
+      "gm",
+      "_",
+      "analytic_antialias_convex",
       "pic-8888",
       "gm",
       "_",
diff --git a/infra/bots/recipes/test.expected/Test-Win8-MSVC-Golo-CPU-AVX-x86-Debug-All.json b/infra/bots/recipes/test.expected/Test-Win8-MSVC-Golo-CPU-AVX-x86-Debug-All.json
index 2428d23..0497756 100644
--- a/infra/bots/recipes/test.expected/Test-Win8-MSVC-Golo-CPU-AVX-x86-Debug-All.json
+++ b/infra/bots/recipes/test.expected/Test-Win8-MSVC-Golo-CPU-AVX-x86-Debug-All.json
@@ -417,6 +417,10 @@
       "serialize-8888",
       "gm",
       "_",
+      "analytic_antialias_convex",
+      "serialize-8888",
+      "gm",
+      "_",
       "bleed_alpha_image",
       "serialize-8888",
       "gm",
diff --git a/infra/bots/recipes/test.expected/failed_dm.json b/infra/bots/recipes/test.expected/failed_dm.json
index 00d056a..c220fd6 100644
--- a/infra/bots/recipes/test.expected/failed_dm.json
+++ b/infra/bots/recipes/test.expected/failed_dm.json
@@ -390,6 +390,10 @@
       "serialize-8888",
       "gm",
       "_",
+      "analytic_antialias_convex",
+      "serialize-8888",
+      "gm",
+      "_",
       "bleed_alpha_image",
       "serialize-8888",
       "gm",
diff --git a/infra/bots/recipes/test.expected/trybot.json b/infra/bots/recipes/test.expected/trybot.json
index 4d90208..92c0d66 100644
--- a/infra/bots/recipes/test.expected/trybot.json
+++ b/infra/bots/recipes/test.expected/trybot.json
@@ -443,6 +443,10 @@
       "serialize-8888",
       "gm",
       "_",
+      "analytic_antialias_convex",
+      "serialize-8888",
+      "gm",
+      "_",
       "bleed_alpha_image",
       "serialize-8888",
       "gm",
diff --git a/infra/bots/recipes/test.py b/infra/bots/recipes/test.py
index e8d3dc3..e44f41d 100644
--- a/infra/bots/recipes/test.py
+++ b/infra/bots/recipes/test.py
@@ -415,6 +415,10 @@
   bad_serialize_gms.append('all_bitmap_configs')
   bad_serialize_gms.append('makecolorspace')
 
+  # This GM forces a path to be convex. That property doesn't survive
+  # serialization.
+  bad_serialize_gms.append('analytic_antialias_convex')
+
   for test in bad_serialize_gms:
     blacklist(['serialize-8888', 'gm', '_', test])
 
diff --git a/src/core/SkPath.cpp b/src/core/SkPath.cpp
index 1b443b2..c4334246 100644
--- a/src/core/SkPath.cpp
+++ b/src/core/SkPath.cpp
@@ -2165,7 +2165,13 @@
         return 0;
     }
 
-    fConvexity.store( (Convexity)((packed >> kConvexity_SerializationShift) & 0xFF) );
+    // These are written into the serialized data but we no longer use them in the deserialized
+    // path. If convexity is corrupted it may cause the GPU backend to make incorrect
+    // rendering choices, possibly crashing. We set them to unknown so that they'll be recomputed if
+    // requested.
+    fConvexity = kUnknown_Convexity;
+    fFirstDirection = SkPathPriv::kUnknown_FirstDirection;
+
     fFillType = fillType;
     fIsVolatile = (packed >> kIsVolatile_SerializationShift) & 0x1;
     SkPathRef* pathRef = SkPathRef::CreateFromBuffer(&buffer);
@@ -2176,26 +2182,6 @@
     fPathRef.reset(pathRef);
     SkDEBUGCODE(this->validate();)
     buffer.skipToAlign4();
-
-    // compatibility check
-    if (version < kPathPrivFirstDirection_Version) {
-        switch (dir) {  // old values
-            case 0:
-                fFirstDirection = SkPathPriv::kUnknown_FirstDirection;
-                break;
-            case 1:
-                fFirstDirection = SkPathPriv::kCW_FirstDirection;
-                break;
-            case 2:
-                fFirstDirection = SkPathPriv::kCCW_FirstDirection;
-                break;
-            default:
-                return 0;
-        }
-    } else {
-        fFirstDirection = dir;
-    }
-
     return buffer.pos();
 }
 
diff --git a/tests/PathTest.cpp b/tests/PathTest.cpp
index 4fb559b..b275342 100644
--- a/tests/PathTest.cpp
+++ b/tests/PathTest.cpp
@@ -2529,11 +2529,17 @@
 static void test_corrupt_flattening(skiatest::Reporter* reporter) {
     SkPath path;
     path.moveTo(1, 2);
-    path.lineTo(1, 2);
-    path.quadTo(1, 2, 3, 4);
-    path.conicTo(1, 2, 3, 4, 0.5f);
-    path.cubicTo(1, 2, 3, 4, 5, 6);
+    path.lineTo(3, 2);
+    path.quadTo(4, 2, 5, 4);
+    path.conicTo(5, 6, 3, 7, 0.5f);
+    path.cubicTo(2, 6, 2, 4, 4, 1);
     uint8_t buffer[1024];
+
+    // Make sure these properties are computed prior to serialization.
+    SkPathPriv::FirstDirection dir;
+    SkAssertResult(SkPathPriv::CheapComputeFirstDirection(path, &dir));
+    bool isConvex = path.isConvex();
+
     SkDEBUGCODE(size_t size =) path.writeToMemory(buffer);
     SkASSERT(size <= sizeof(buffer));
 
@@ -2587,6 +2593,31 @@
     verbs[1] = 17;
     REPORTER_ASSERT(reporter, !path.readFromMemory(buffer, sizeof(buffer)));
     verbs[1] = save;
+
+    // kConvexity_SerializationShift defined privately in SkPath.h
+    static constexpr int32_t kConvexityMask = 0x7 << 16;
+    int32_t* packed = (int32_t*)buffer;
+    int32_t savedPacked = *packed;
+    SkPath::Convexity wrongConvexity =
+            isConvex ? SkPath::kConcave_Convexity : SkPath::kConvex_Convexity;
+    *packed = (savedPacked & ~kConvexityMask) | (wrongConvexity << 16);
+    REPORTER_ASSERT(reporter, path.readFromMemory(buffer, sizeof(buffer)));
+    // We should ignore the stored convexity and recompute from the deserialized data.
+    REPORTER_ASSERT(reporter, path.isConvex() == isConvex);
+    *packed = savedPacked;
+
+    // kDirection_SerializationShift defined privately in SkPath.h
+    static constexpr int32_t kDirectionMask = 0x3 << 26;
+    SkPathPriv::FirstDirection wrongDir = (dir == SkPathPriv::kCW_FirstDirection)
+                                                  ? SkPathPriv::kCCW_FirstDirection
+                                                  : SkPathPriv::kCW_FirstDirection;
+    *packed = (savedPacked & ~kDirectionMask) | (wrongDir << 26);
+    REPORTER_ASSERT(reporter, path.readFromMemory(buffer, sizeof(buffer)));
+    // We should ignore the stored direction and recompute from the deserialized data.
+    SkPathPriv::FirstDirection newDir;
+    SkAssertResult(SkPathPriv::CheapComputeFirstDirection(path, &newDir));
+    REPORTER_ASSERT(reporter, newDir == dir);
+    *packed = savedPacked;
 }
 
 static void test_flattening(skiatest::Reporter* reporter) {