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7 Commits

Author SHA1 Message Date
Ryan Harrison dcb24cea41 Provide build override for SPIRV options 
Without this, the fuzzing framework will fall back to the default and
copies in random bits without consideration of range restrictions on
specific fields.

BUG=chromium:1287344

Change-Id: Ifbde471074a2f68e1d9fd8215174814d2f465f93
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/76880
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
 2022-01-18 15:37:56 +00:00
Austin Eng 9756030d4e fuzzer: Implement BuildImpl for msl/hlsl Options structs 
The default implementation of this was generating random data for
the underlying pointers of std::unordered_map, leading to crashes
when the map was accessed. This CL populates the map in a
structured manner with pseudo-random data.

Bug: chromium:1273001
Change-Id: Ic20ecab85bedba2a59587ebe4a5016be6e53e6f8
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/70701
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Austin Eng <enga@chromium.org>
 2021-11-24 16:22:18 +00:00
Ryan Harrison 1c1b9762ce Add tests for fuzzers::RandomGenerator 
BUG=tint:1019

Change-Id: Ia462080877a97348c5589bfa71231a832a7ebfd3
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/70081
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
 2021-11-24 14:55:05 +00:00
Ryan Harrison d3f628b303 Fully support initializing fuzzer utilities using a seed value 
Adds a constructor to TransformBuilder that takes a seed value.
Removes accessing internal details of the fuzzing utilities.
Also a bunch of little clean ups through out the code.

BUG=tint:1261

Change-Id: Iac7ace25b91fa96959e6c07b1df963900a1f7100
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/67700
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
 2021-11-01 18:14:42 +00:00
Ryan Harrison e7ca884b3d Add seed value constructor to DataBuilder 
This is needed for experimenting with alternate fuzzing frameworks
that can generate a seed value without needing to hash the input.

Change-Id: I8207fd16c83265268c7e5764b707456e59f79a07
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/67501
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
 2021-10-26 16:30:42 +00:00
Ryan Harrison 5f5d43ff51 Disallow copy and assign for DataBuilder & RandomGenerator 
BUG=tint:1247

Change-Id: I48f7b1e1679bcba43e4c284b2f97a02210feabb3
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/66740
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
 2021-10-18 18:46:57 +00:00
Ryan Harrison c57642cbd5 Refactor fuzzer transform generation 
Also splits out various utility classes from tint_common_fuzzer and
uses consistent naming for utility classes.

BUG=tint:1106

Change-Id: Ic343741eea799366850c46834865d50885554a84
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/65301
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
 2021-09-30 18:58:32 +00:00