From 79e722338cd59aab74b4c57600c5ac6bce3bcd25 Mon Sep 17 00:00:00 2001
From: jsmall-nvidia <jsmall@nvidia.com>
Date: Fri, 23 Apr 2021 11:32:07 -0400
Subject: Preliminary CUDA Half support (#1808)

* #include an absolute path didn't work - because paths were taken to always be relative.

* WIP CUDA half support.

* Working support for half on CUDA - requires cuda_fp16.h and associated files can be found.

* Fix for win32 for unused funcs.

* Fix for Clang.

* Hack to disable unused local function warning.
---
 source/core/slang-shared-library.cpp | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

(limited to 'source/core/slang-shared-library.cpp')

diff --git a/source/core/slang-shared-library.cpp b/source/core/slang-shared-library.cpp
index 17b881540..844bea8d9 100644
--- a/source/core/slang-shared-library.cpp
+++ b/source/core/slang-shared-library.cpp
@@ -76,9 +76,21 @@ TemporarySharedLibrary::~TemporarySharedLibrary()
 
 /* !!!!!!!!!!!!!!!!!!!!!!!!!! DefaultSharedLibrary !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
 
-ISlangUnknown* DefaultSharedLibrary::getInterface(const Guid& guid)
+SLANG_NO_THROW SlangResult SLANG_MCALL DefaultSharedLibrary::queryInterface(SlangUUID const& uuid, void** outObject)
 {
-    return (guid == ISlangUnknown::getTypeGuid() || guid == ISlangSharedLibrary::getTypeGuid()) ? static_cast<ISlangSharedLibrary*>(this) : nullptr;
+    if (uuid == DefaultSharedLibrary::getTypeGuid())
+    {
+        *outObject = this;
+        return SLANG_OK;
+    }
+
+    if (uuid == ISlangUnknown::getTypeGuid() || uuid == ISlangSharedLibrary::getTypeGuid()) 
+    {
+        addReference();
+        *outObject = static_cast<ISlangSharedLibrary*>(this);
+        return SLANG_OK;
+    }
+    return SLANG_E_NO_INTERFACE;
 }
 
 DefaultSharedLibrary::~DefaultSharedLibrary()
-- 
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