Roll SwiftShader from 67f520305136 to 3b2177fcfcba (1 revision)

https://swiftshader.googlesource.com/SwiftShader.git/+log/67f520305136..3b2177fcfcba

2022-12-19 sugoi@google.com Reland "Float only writeColor" only

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/swiftshader-dawn-autoroll
Please CC jrprice@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in SwiftShader: https://bugs.chromium.org/p/swiftshader/issues/entry
To file a bug in Dawn: https://bugs.chromium.org/p/dawn/issues/entry

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Bug: None
Tbr: jrprice@google.com
Change-Id: If6ec6570785e7c48ce3f0599604c50a40e1dbe8f
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/115041
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -137,7 +137,7 @@ deps = {
   },
 
   'third_party/swiftshader': {
-    'url': '{swiftshader_git}/SwiftShader@67f52030513677d41d3aaa8822d420f4e179b4a0',
+    'url': '{swiftshader_git}/SwiftShader@3b2177fcfcba440eb64b8b523217e0b908f24f40',
     'condition': 'dawn_standalone',
   },