From 7c8527d20e433c3a10736136d31e4cd882a3baaa Mon Sep 17 00:00:00 2001
From: jsmall-nvidia <jsmall@nvidia.com>
Date: Fri, 4 Oct 2019 09:46:03 -0400
Subject: IR types for subset of Attributes (#1067)

* IROutputControlPointsDecoration

* IROutputTopologyDecoration

* IRPartitioningDecoration

* IRDomainDecoration

* Use IRPatchConstantDecoration alone for hlsl output.

* IRMaxVertexCountDecoration

* IRInstanceDecoration

* Removed  _emitHLSLAttributeSingleString and _emitHLSLAttributeSingleInt
Removed GLSLBindingAttribute and just use NumThreadsAttribute

* Added IRNumThreadsDecoration.

* Added IRNumThreadsDecoration

* Fix build problem on x86.
Improve diagnostic text based on review.
---
 source/slang/slang-emit-c-like.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'source/slang/slang-emit-c-like.cpp')

diff --git a/source/slang/slang-emit-c-like.cpp b/source/slang/slang-emit-c-like.cpp
index a19823055..281da3ef9 100644
--- a/source/slang/slang-emit-c-like.cpp
+++ b/source/slang/slang-emit-c-like.cpp
@@ -203,6 +203,17 @@ void CLikeSourceEmitter::emitSimpleType(IRType* type)
     }
 }
 
+
+/* static */IRNumThreadsDecoration* CLikeSourceEmitter::getComputeThreadGroupSize(IRFunc* func, Int outNumThreads[kThreadGroupAxisCount])
+{
+    IRNumThreadsDecoration* decor = func->findDecoration<IRNumThreadsDecoration>();
+    for (int i = 0; i < 3; ++i)
+    {
+        outNumThreads[i] = decor ? Int(GetIntVal(decor->getOperand(i))) : 1;
+    }
+    return decor;
+}
+
 void CLikeSourceEmitter::_emitArrayType(IRArrayType* arrayType, EDeclarator* declarator)
 {
     EDeclarator arrayDeclarator;
-- 
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