From e24c5a6cb9c3347477b83abe084a09ae8f9fde0a Mon Sep 17 00:00:00 2001
From: Tim Foley <tfoleyNV@users.noreply.github.com>
Date: Thu, 7 Jan 2021 16:01:48 -0800
Subject: Fill in some missing bits of capability API (#1652)

* Fill in some missing bits of capability API

* Make invalid/unknown capability have a zero value (this aligns it better with the public API for `SlangProfileID`, so that the two can be merged down the line)

* Actually provide an implementation of `spFindCapability()` public API

* fixup: bug fixes for renumbering invalid capability atom
---
 slang.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'slang.h')

diff --git a/slang.h b/slang.h
index a0487303b..6c9ab3eea 100644
--- a/slang.h
+++ b/slang.h
@@ -642,6 +642,10 @@ extern "C"
     };
 
     typedef SlangInt32 SlangCapabilityID;
+    enum
+    {
+        SLANG_CAPABILITY_UNKNOWN = 0,
+    };
 
     typedef unsigned int SlangMatrixLayoutMode;
     enum
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