commit b479ce0bfa6dca1eaeb789d433a9adee73fb93da
author Greg Fischer <greg@lunarg.com> Mon Mar 01 17:45:03 2021 -0700
committer Greg Fischer <greg@lunarg.com> Mon Mar 01 17:45:03 2021 -0700
tree 746457183657390ec515d73df517c05ea03edf21
parent 0eca4130929e9ed7247c24160071742e5124cda6

Allow DepthUnchanged and DepthReplaced Modes in same SPIR-V module.

Fixes #2555

SPIRV/GlslangToSpv.cpp

diff --git a/SPIRV/GlslangToSpv.cpp b/SPIRV/GlslangToSpv.cpp
index f0bf3a6..8a1b30d 100644
--- a/SPIRV/GlslangToSpv.cpp
+++ b/SPIRV/GlslangToSpv.cpp
@@ -1551,15 +1551,16 @@
             builder.addExtension(spv::E_SPV_KHR_post_depth_coverage);
         }
 
-        if (glslangIntermediate->getDepth() != glslang::EldUnchanged && glslangIntermediate->isDepthReplacing())
+        if (glslangIntermediate->isDepthReplacing())
             builder.addExecutionMode(shaderEntry, spv::ExecutionModeDepthReplacing);
 
 #ifndef GLSLANG_WEB
 
         switch(glslangIntermediate->getDepth()) {
-        case glslang::EldGreater:  mode = spv::ExecutionModeDepthGreater; break;
-        case glslang::EldLess:     mode = spv::ExecutionModeDepthLess;    break;
-        default:                   mode = spv::ExecutionModeMax;          break;
+        case glslang::EldGreater:   mode = spv::ExecutionModeDepthGreater;   break;
+        case glslang::EldLess:      mode = spv::ExecutionModeDepthLess;      break;
+        case glslang::EldUnchanged: mode = spv::ExecutionModeDepthUnchanged; break;
+        default:                    mode = spv::ExecutionModeMax;            break;
         }
         if (mode != spv::ExecutionModeMax)
             builder.addExecutionMode(shaderEntry, (spv::ExecutionMode)mode);