1 files changed, 9 insertions, 0 deletions
diff --git a/tools/gfx/open-gl/render-gl.cpp b/tools/gfx/open-gl/render-gl.cpp
index b84db44b6..03736cfa4 100644
--- a/tools/gfx/open-gl/render-gl.cpp
+++ b/tools/gfx/open-gl/render-gl.cpp
@@ -1489,6 +1489,15 @@ SLANG_NO_THROW Result SLANG_MCALL
 
 Result GLRenderer::createProgram(const IShaderProgram::Desc& desc, IShaderProgram** outProgram)
 {
+    if (desc.slangProgram && desc.slangProgram->getSpecializationParamCount() != 0)
+    {
+        // For a specializable program, we don't invoke any actual slang compilation yet.
+        RefPtr<ShaderProgramImpl> shaderProgram = new ShaderProgramImpl(m_weakRenderer, 0);
+        initProgramCommon(shaderProgram, desc);
+        *outProgram = shaderProgram.detach();
+        return SLANG_OK;
+    }
+
     if( desc.kernelCount == 0 )
     {
         return createProgramFromSlang(this, desc, outProgram);