Add option to use original entrypoint in spirv output. (#3047)

* Add option to use original entrypoint in spirv output.

* Fix.

---------

Co-authored-by: Yong He <yhe@nvidia.com>

1 files changed, 11 insertions, 4 deletions

diff --git a/source/slang/slang-compiler.cpp b/source/slang/slang-compiler.cpp
index 4e1ab8e98..12e96d7bb 100644
--- a/source/slang/slang-compiler.cpp
+++ b/source/slang/slang-compiler.cpp
@@ -1222,11 +1222,18 @@ namespace Slang
                 auto entryPoint = getEntryPoint(entryPointIndex);
                 profile = getEffectiveProfile(entryPoint, targetReq);
 
-                options.entryPointName = allocator.allocate(getText(entryPoint->getName()));
-                auto entryPointNameOverride = getProgram()->getEntryPointNameOverride(entryPointIndex);
-                if (entryPointNameOverride.getLength() != 0)
+                if (getTargetReq()->getHLSLToVulkanLayoutOptions() && !getTargetReq()->getHLSLToVulkanLayoutOptions()->getUseOriginalEntryPointName())
                 {
-                    options.entryPointName = allocator.allocate(entryPointNameOverride);
+                }
+                else
+                {
+
+                    options.entryPointName = allocator.allocate(getText(entryPoint->getName()));
+                    auto entryPointNameOverride = getProgram()->getEntryPointNameOverride(entryPointIndex);
+                    if (entryPointNameOverride.getLength() != 0)
+                    {
+                        options.entryPointName = allocator.allocate(entryPointNameOverride);
+                    }
                 }
             }
             else