From e7b6de334f320429462a0257e2191ccf3cbc9a0d Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Wed, 24 Jan 2024 15:36:49 -0800
Subject: [SPIRV] Support `globallycoherent` and `[vk::index()]`. (#3488)

* [SPIRV] Support `globallycoherent` modifier.

* Fix.

* Disable executable cooperative vector tests.

* Update expected failure.

* [SPIRV] Emit varying output index decoration.

* Add test.

* Update tests.

* Fix test.

* Emit `SpvExecutionModeEarlyFragmentTests`.

* Lower `StructuredBuffer<bool>`.

* Support globallycoherent on ByteAddressBuffer.

---------

Co-authored-by: Yong He <yhe@nvidia.com>
---
 source/slang/slang-emit-glsl.cpp | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

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

diff --git a/source/slang/slang-emit-glsl.cpp b/source/slang/slang-emit-glsl.cpp
index bff82acf3..0fc0c855a 100644
--- a/source/slang/slang-emit-glsl.cpp
+++ b/source/slang/slang-emit-glsl.cpp
@@ -179,7 +179,7 @@ void GLSLSourceEmitter::_emitGLSLStructuredBuffer(IRGlobalParam* varDecl, IRHLSL
             m_writer->emit(space);
         }
     }
-
+    
     m_writer->emit(") ");
 
     /*
@@ -194,7 +194,10 @@ void GLSLSourceEmitter::_emitGLSLStructuredBuffer(IRGlobalParam* varDecl, IRHLSL
     HLSLAppendStructuredBufferType                  - Write
     HLSLConsumeStructuredBufferType                 - TODO (JS): Its possible that this can be readonly, but we currently don't support on GLSL
     */
-
+    if (varDecl->findDecoration<IRGloballyCoherentDecoration>())
+    {
+        m_writer->emit("coherent ");
+    }
     if (as<IRHLSLStructuredBufferType>(structuredBufferType))
     {
         m_writer->emit("readonly ");
@@ -264,9 +267,13 @@ void GLSLSourceEmitter::_emitGLSLByteAddressBuffer(IRGlobalParam* varDecl, IRByt
             m_writer->emit(space);
         }
     }
-
     m_writer->emit(") ");
 
+    if (varDecl->findDecoration<IRGloballyCoherentDecoration>())
+    {
+        m_writer->emit("coherent ");
+    }
+
     /*
     If the output type is a buffer, and we can determine it is only readonly we can prefix before
     buffer with 'readonly'
-- 
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