commit c739e0374861adb9bd9583ff4ab3782a42d8ed86
author John Kessenich <cepheus@frii.com> Thu Jun 11 08:30:03 2020 -0600
committer Alan Baker <alanbaker@google.com> Mon Jan 25 15:54:52 2021 -0500
tree 9fb5f1cbd750278afcce579dde6f748a48f47b83
parent 6abdde3ce5119e8ca3dd4e5351aa3a70f25bb689

Implement GL_EXT_null_initializer

Adds null initializer syntax (empty braces)
Allows null initialization of shared variables

SPIRV/GlslangToSpv.cpp

diff --git a/SPIRV/GlslangToSpv.cpp b/SPIRV/GlslangToSpv.cpp
index eea8852..8e063f8 100644
--- a/SPIRV/GlslangToSpv.cpp
+++ b/SPIRV/GlslangToSpv.cpp
@@ -3652,13 +3652,14 @@
 
     spv::Id initializer = spv::NoResult;
 
-    if (node->getType().getQualifier().storage == glslang::EvqUniform &&
-        !node->getConstArray().empty()) {
-            int nextConst = 0;
-            initializer = createSpvConstantFromConstUnionArray(node->getType(),
-                                                               node->getConstArray(),
-                                                               nextConst,
-                                                               false /* specConst */);
+    if (node->getType().getQualifier().storage == glslang::EvqUniform && !node->getConstArray().empty()) {
+        int nextConst = 0;
+        initializer = createSpvConstantFromConstUnionArray(node->getType(),
+                                                           node->getConstArray(),
+                                                           nextConst,
+                                                           false /* specConst */);
+    } else if (node->getType().getQualifier().isNullInit()) {
+        initializer = builder.makeNullConstant(spvType);
     }
 
     return builder.createVariable(spv::NoPrecision, storageClass, spvType, name, initializer);