Update README for Vulkan 1.3
SwiftShader is now a Khronos ratified conformant Vulkan 1.3 implementation:
https://www.khronos.org/conformance/adopters/conformant-products#submission_717
Fixes: b/216982034
Fixes: b/204169571
Fixes: b/162254131
Change-Id: Id791babdb1d570779b769c83ffd419797710841e
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/69249
Reviewed-by: Alexis Hétu <sugoi@google.com>
Tested-by: Nicolas Capens <nicolascapens@google.com>
Kokoro-Result: kokoro <noreply+kokoro@google.com>
diff --git a/README.md b/README.md
index 1afe3fb..5afde88 100644
--- a/README.md
+++ b/README.md
@@ -5,9 +5,9 @@
Introduction
------------
-SwiftShader is a high-performance CPU-based implementation of the Vulkan graphics API<sup>1</sup><sup>2</sup>. Its goal is to provide hardware independence for advanced 3D graphics.
+SwiftShader[^1] is a high-performance CPU-based implementation[^2] of the Vulkan[^3] 1.3 graphics API. Its goal is to provide hardware independence for advanced 3D graphics.
-> NOTE: The [ANGLE](http://angleproject.org/) project can be used to achieve a layered implementation of OpenGL ES (aka. "SwANGLE").
+> NOTE: The [ANGLE](http://angleproject.org/) project can be used to achieve a layered implementation[^4] of OpenGL ES 3.1 (aka. "SwANGLE").
Building
--------
@@ -118,8 +118,10 @@
[CONTRIBUTORS.txt](CONTRIBUTORS.txt) contains a list of names of individuals who have contributed to SwiftShader. If you're not on the list, but you've signed the [Google CLA](https://cla.developers.google.com/clas) and have contributed more than a formatting change, feel free to request to be added.
-Disclaimer
-----------
+Notes and Disclaimers
+---------------------
-1. Trademarks are the property of their respective owners.
-2. This is not an official Google product.
+[^1]: This is not an official Google product.
+[^2]: Vulkan 1.3 conformance: https://www.khronos.org/conformance/adopters/conformant-products#submission_717
+[^3]: Trademarks are the property of their respective owners.
+[^4]: OpenGL ES 3.1 conformance: https://www.khronos.org/conformance/adopters/conformant-products/opengles#submission_906
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