This CL suppresses the threadsafe_fn lint in the sample code and enables
the lint check.
Bug: dawn:1339
Change-Id: I51f6808b894ba1fcb7f3cdbbc274b35cd393dae8
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86864
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
This CL changes several includes which were using the system include
syntax to the local syntax. This causes GN check to verify that the
headers are specified correctly in the dependencies.
Two missing dependencies are added to the BUILD.gn file for the
Dawn tests.
Bug: dawn:1373
Change-Id: I7afd5ab48f4f2e2ddaf1839058c6bbeec2b97fd0
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86940
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
This CL updates the d3d12 files to add explicit to single parameter
constructors.
Bug: dawn:1339
Change-Id: I7896fa37a5eed90fb4184951bd4d823f96d8e88b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86642
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
This CL makes all the validation methods const except for
ValidateSwitch.
Bug: tint:1313
Change-Id: I19ce7beae5ab4591d525dad4dca45f03dd4733b3
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87148
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
This CL updates the test files to have explicit added for single
parameter constructors and removed from zero parameter constructors.
Bug: dawn:1339
Change-Id: I21339148bba5e7e89debc38ec426ba15e0d734e2
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87021
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
This CL changes ValidateStorageClassLayouts to take the
valid_type_storage_layouts_ as a parameter instead of accessing
directly.
Bug: tint:1313
Change-Id: I2eade6abd9b0acf3d8937c08b0453682be8864fa
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87147
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
This CL moves the possible call to create the return type out of the
ValidateReturn and into the call. The type is then passed into the
ValidateReturn method.
Bug: tint:1313
Change-Id: I5d2e78b945fc47a14072f503d0478a7da051137d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87146
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
The current_function was used to retrieve the functions return type.
Pass it in directly instead of using current_function.
Bug: tint:1313
Change-Id: Ie29407aecc51e8453460f46437b5c011088c3749
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87145
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
The ValidateFunction method just required the current pipeline stage.
Provide the stage directly instead of using current_function.
Bug: tint:1313
Change-Id: I0c12bef4b28b9cecfbd2b9d7d336a8ff3f8c3a77
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87144
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
The ValidateStructure method only required the current pipeline stage.
Pass that in directly instead of depending on current_function_.
Bug: tint:1313
Change-Id: I13a429aa9d77c8c43fb82d2aa02b25e05b0e3a6c
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87143
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
The ValidateEntryPoint only needs the current functions pipeline stage.
Pass that in instead of using current_function_.
Bug: tint:1313
Change-Id: I7b08997f6c4940a614a75fc905ba923c0686bfc4
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87142
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
The ValidateBuiltinAttribute function just needs the current functions
pipeline stage, pass that in intead of using current_function_.
Bug: tint:1313
Change-Id: Ie58b46e6115ee46bb0b86e53786cf17861cf7d4e
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87141
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
The ValidateLocationAttribute function needs to know the stage of the
current function so, pass that in instead of accessing current_function_
directly.
Bug: tint:1313
Change-Id: Ifa0ac912f5e78f14b6512fd74ae951545abd9b22
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87140
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Add more trace event in Dawn to better understand workflow in Dawn.
These trace events focus on tick() and MapAsync() related in flight
task.
Bug: dawn:1335
Change-Id: Iac35959f315c221c8539137efbf35039458a6f77
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86620
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Shaobo Yan <shaobo.yan@intel.com>
On Apple M1, maxStorageBufferBindingSize has all 0 in the lower 32 bits,
which was resulting in a value of 0 and causing an internal error.
Bug: dawn:1367
Change-Id: I00719051738f1ad87989dae0ddd96f1ddf325dab
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87180
Reviewed-by: Loko Kung <lokokung@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Austin Eng <enga@chromium.org>
This reverts commit 61bc38fd52.
Reason for revert: Appears to have broken the Dawn->Chromium autoroller, which is now seeing Abseil linking issues on Mac and Linux.
Example failing roll: https://chromium-review.googlesource.com/c/chromium/src/+/3590451/
Example error log: https://logs.chromium.org/logs/chromium/buildbucket/cr-buildbucket/8816532799903001889/+/u/compile__with_patch_/stdout
Log Excerpt:
[802/31819] LINK ./dawn_unittests
FAILED: dawn_unittests
TOOL_VERSION=1650247560 ../../build/toolchain/apple/linker_driver.py -Wcrl,strippath,../../build/mac_files/xcode_binaries/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/strip -Wcrl,installnametoolpath,../../build/mac_files/xcode_binaries/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/install_name_tool ../../third_party/llvm-build/Release+Asserts/bin/clang++ -Werror -fuse-ld=lld -Wl,-fatal_warnings -Wl,--color-diagnostics -arch x86_64 -no-canonical-prefixes -Wl,-dead_strip -nostdlib++ -isysroot ../../build/mac_files/xcode_binaries/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX12.3.sdk -mmacosx-version-min=10.11.0 -fprofile-instr-generate -Wl,-ObjC -rpath @executable_path/ -o "./dawn_unittests" "@./dawn_unittests.rsp"
ld64.lld: error: duplicate symbol: __ZN4absl15AsciiStrToLowerEPNSt3__112basic_stringIcNS0_11char_traitsIcEENS0_9allocatorIcEEEE
>>> defined in obj/third_party/dawn/third_party/gn/abseil-cpp/strings/ascii.o
>>> defined in obj/third_party/abseil-cpp/absl/strings/strings/ascii.o
ld64.lld: error: duplicate symbol: __ZN4absl15AsciiStrToUpperEPNSt3__112basic_stringIcNS0_11char_traitsIcEENS0_9allocatorIcEEEE
>>> defined in obj/third_party/dawn/third_party/gn/abseil-cpp/strings/ascii.o
>>> defined in obj/third_party/abseil-cpp/absl/strings/strings/ascii.o
ld64.lld: error: duplicate symbol: __ZN4absl26RemoveExtraAsciiWhitespaceEPNSt3__112basic_stringIcNS0_11char_traitsIcEENS0_9allocatorIcEEEE
>>> defined in obj/third_party/dawn/third_party/gn/abseil-cpp/strings/ascii.o
>>> defined in obj/third_party/abseil-cpp/absl/strings/strings/ascii.o
Original change's description:
> Enable gn check for all build targets.
>
> This CL removes the `check_targets` entry from the .gn file which
> will enable checking all targets. Two of the GN targets have had
> missing dependencies added.
>
> The `gn/abseil-cpp/BUILD.gn` was referenced against the Chromium
> BUILD.gn for abseil to make sure the `public_deps` and `deps`
> match in the two versions. The paths are re-written to match
> the Dawn paths.
>
> Bug: dawn:1372
> Change-Id: I371e17ec9647e6627429be5c81eb7985da3cc5b3
> Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86861
> Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
> Kokoro: Kokoro <noreply+kokoro@google.com>
> Reviewed-by: Brandon Jones <bajones@chromium.org>
> Reviewed-by: Corentin Wallez <cwallez@chromium.org>
> Commit-Queue: Corentin Wallez <cwallez@chromium.org>
# Not skipping CQ checks because original CL landed > 1 day ago.
Bug: dawn:1372
Change-Id: I1ce6d62138cd99aa3a75c74eea0ac04ce5048b6b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87161
Reviewed-by: Brandon Jones <bajones@chromium.org>
Auto-Submit: Brandon Jones <bajones@chromium.org>
Reviewed-by: Shrek Shao <shrekshao@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Austin Eng <enga@chromium.org>
This CL removes the `check_targets` entry from the .gn file which
will enable checking all targets. Two of the GN targets have had
missing dependencies added.
The `gn/abseil-cpp/BUILD.gn` was referenced against the Chromium
BUILD.gn for abseil to make sure the `public_deps` and `deps`
match in the two versions. The paths are re-written to match
the Dawn paths.
Bug: dawn:1372
Change-Id: I371e17ec9647e6627429be5c81eb7985da3cc5b3
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86861
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Brandon Jones <bajones@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
There were some tests that were still using the deprecated name, as
was the SPIR-V reader.
Bug: tint:1483
Change-Id: Ie919596712e05340110fbd872470a1b4c9a625c7
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86745
Auto-Submit: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: James Price <jrprice@google.com>
This CL updates the dep in the dawn test to use the `${dawn_angle_dir}`
instead of `//third_party/angle` to match other gn files.
Bug: dawn:1372
Change-Id: I5ac5b39e3ca98e8061eb5ae3cd757841c8711bbd
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86862
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Stephen White <senorblanco@google.com>
Commit-Queue: Stephen White <senorblanco@google.com>
When we try to work around the bug exposed by tests in this file,
it is necessary to make D3D12 runtime happy and no validatin error
is reported. It is also essential to verify the correctness of
buffer/texture data after T2B/B2T copy whether workaround is applied
or not.
Bug: dawn:1289
Change-Id: I0d86375c513ffd579fdebc786d00e9eccb60cc10
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86511
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Yunchao He <yunchao.he@intel.com>
GetPendingCommandContext() call might create a new commandList. Dawn handles
it in Tick() by executing this commandList and signal a fence even it is empty.
Skip the unnecessary GetPendingCommandContext() call saves an extra fence and might
resolve the callback for MapAsync earlier.
Bug: dawn:1335
Change-Id: I07f82388edb6978473eeaa2ed0834edbb5e1f497
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86621
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Shaobo Yan <shaobo.yan@intel.com>
- Fixes stack-buffer-overflow issue caused due to memcpy due to typing in recording fundamental array types.
This is a reland of commit ca11c03824
Original change's description:
> Add render pipeline cache key generation for Vulkan.
>
> Bug: dawn:549
> Change-Id: I0c0607984193ddcc2add05594517638e5370484d
> Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/85863
> Reviewed-by: Austin Eng <enga@chromium.org>
> Commit-Queue: Loko Kung <lokokung@google.com>
Bug: dawn:549, dawn:1368
Change-Id: I6a62fa6e64873f2c487e9926190515cb5cc27bcf
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86743
Reviewed-by: Austin Eng <enga@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Loko Kung <lokokung@google.com>
BUG=chromium:1314527
Change-Id: I05adbe671c4f30fe3e59829cd370a59347c8ed51
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86760
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Brandon Jones <bajones@chromium.org>
- Changed path to include only vulkan-tools directory to allow for easier configuration in Skia which cannot use vulkan-deps at the moment.
Bug: dawn:1365
Change-Id: Icbd0d3503b4af9d89b23f89c87f18fde814062f6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86582
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Shrek Shao <shrekshao@google.com>
Commit-Queue: Loko Kung <lokokung@google.com>
The kokoro bots are running at a different level of verbosity than
the presubmit check. This CL ups the verbosity level for presubmit
to match kokoro and suppresses any new lint warnings which are
produced by the change.
The set of always removed filter options used by PRESUBMIT are
copied into the CPPLINT.cfg main file in order for kokoro to
match the errors presented by the CQ.
Bug: dawn:1339
Change-Id: I875a06bc2ed929d5dbaaa933282e3afa2559a7af
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86627
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
This helps people looking at samples on how to use Dawn from getting
confused when implementation-based swapchains break (because they were
just made to be good enough N years ago).
Fixed: dawn:1361
Change-Id: Ia989fca4d0455fb8e0ff754056a3d60eb2958b04
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86531
Reviewed-by: Loko Kung <lokokung@google.com>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
This CL fixes the build/c++11 found by the kokoro bots.
Change-Id: Ic6ebc4ddf0f7bd25b20e4059d9f6c1c024fd71aa
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86625
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Use templated functions to make calling SetDebugLabel safer, with
less opportunities to screw up the casting and automatic lookup
of the VkObjectType for most handles.
Change-Id: I0938ad6fd7d5fe81569bdee5bc7ec7e396db7bcd
Bug: dawn:1323
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86580
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Brandon Jones <bajones@google.com>
Bug: dawn:549
Change-Id: I0c0607984193ddcc2add05594517638e5370484d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/85863
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Loko Kung <lokokung@google.com>
- Note that the device-side cache key will be prepended to object cache keys to prevent incompatible adapter/device cache clashes.
- Adds a new template file to auto=generate these cache serializers based on arguments.
Bug: dawn:549
Change-Id: I24b9d11eb38c579acfcc173a5dced9e1b649cf2c
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86081
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Loko Kung <lokokung@google.com>
The tint regex fuzzer is disabling the c++11 lints, but nothing fails
when the file is removed.
Change-Id: I2d9f780694fb6bd340bd0cbbf4addf15858d28ee
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86440
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
This CL adds explicit to various single argument constructors. The
explicit is removed from zero argument constructors. None of these
changes required call sites to change.
Bug: dawn:1339
Change-Id: I7dfcf1b393e7dd379e29cd9bc613cb0626a9a967
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86365
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
This CL adds some explicit notations to single argument constructors in
the include/dawn folder.
Bug: dawn:1339
Change-Id: Ie4e31bf68f920acfcfb27828a465e45fe0977af6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86443
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
This is a small rework to try to make the template better handle
functions that aren't associated with an object, when during an
unrelated patch I got confused that APICreateInstance didn't appear in
dawn::native.
Change-Id: If5a2aa3f9e348d1847e48fec4e90e5966ddd489d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86530
Reviewed-by: Austin Eng <enga@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Loko Kung <lokokung@google.com>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
using directory for actions output causes issue like
crbug.com/1315457
ninja explain: output obj/third_party/dawn/src/tint/fuzzers/tint_generate_wgsl_corpus.stamp older than most recent input gen/third_party/dawn/src/tint/fuzzers/fuzzer_corpus_wgsl (1649712735 vs
1649712999)
Use stamp file instead of directory.
Bug: chromium:1315457, chromium:1314527
Change-Id: Ifdf0493e23dbab000513e8f2c0ae4aa8cd76444f
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86482
Auto-Submit: Fumitoshi Ukai <ukai@google.com>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Add a new muxWriter and use this for stdout writing to ensure
that stdout printing does not tear.
Bug: dawn:1123
Change-Id: Iec1ba16e5524c11bfc00ba38b3e4de3c06627fb1
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/85366
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
This CL adds the two missing copyright headers to files under src/dawn
and enables the lint flag by default.
Bug: dawn:1339
Change-Id: I3c3ec47b7f93dabadd0934fb93042f695e7e96fc
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86360
Reviewed-by: Ben Clayton <bclayton@google.com>
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Queue labels can be set by the defaultQueue.label member of the device
descriptor or the setQueue method.
Device labels can be set label member of the device
descriptor or the setQueue method.
D3D12 and VK backend label support included.
Bug: dawn:1323
Change-Id: Ic44f1fac268c20d5338220eaf959d949a5f66536
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/85843
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Brandon Jones <bajones@chromium.org>
About comparisons of different datatypes
Bug: dawn:1123
Change-Id: Iefdb8195041b824f63344a0b367fd5bebbe3ca85
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86308
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>