Prepare for render test api migration (#6498)

* Remove tests/compute/dump-repro

The -load-repro option is no longer maintained.

This helps to address issue #4760.

* Rename ShaderCompilerUtil::Output::session to globalSession

* Remove the load-repro codepath

* Lifetime bugfix

3 files changed, 108 insertions, 126 deletions

diff --git a/tests/compute/dump-repro.slang b/tests/compute/dump-repro.slang
deleted file mode 100644
index 9065c29fc..000000000
--- a/tests/compute/dump-repro.slang
+++ /dev/null
@@ -1,16 +0,0 @@
-//DISABLE_TEST(compute):SIMPLE:-profile cs_5_0 -entry computeMain -target dxbc -dump-repro repro.slang-repro
-//TEST:COMPILE:tests/compute/dump-repro.slang -profile cs_5_0 -entry computeMain -target dxbc -dump-repro repro.slang-repro
-//TEST(compute):COMPARE_COMPUTE_EX:-dx11 -compute -no-default-entry-point -compile-arg -load-repro -compile-arg repro.slang-repro -shaderobj
-// We only want to run on one API to test load worked
-//DISABLE_TEST(compute):COMPARE_COMPUTE:-dx12 -load-repro repro.slang-repro -shaderobj
-
-//TEST_INPUT:ubuffer(data=[0 0 0 0 0 0 0 0], stride=4):out,name outputBuffer
-RWStructuredBuffer<int> outputBuffer;
-
-[numthreads(8, 1, 1)]
-void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
-{
-    int index = int(dispatchThreadID.x);
-    
-	outputBuffer[index] = index * 2 + 1;
-}
diff --git a/tools/render-test/slang-support.cpp b/tools/render-test/slang-support.cpp
index 22a745d1f..5f9ae5a7f 100644
--- a/tools/render-test/slang-support.cpp
+++ b/tools/render-test/slang-support.cpp
@@ -35,7 +35,7 @@ void ShaderCompilerUtil::Output::reset()
         desc.slangGlobalScope = nullptr;
     }
 
-    session = nullptr;
+    globalSession = nullptr;
     m_requestDEPRECATED = nullptr;
 }
 
@@ -58,9 +58,7 @@ static SlangResult _compileProgramImpl(
     globalSession->createCompileRequest(slangRequest.writeRef());
     SLANG_ALLOW_DEPRECATED_END
     out.m_requestDEPRECATED = slangRequest;
-    out.session = globalSession;
-
-    bool hasRepro = false;
+    out.globalSession = globalSession;
 
     // Parse all the extra args
     {
@@ -68,8 +66,9 @@ static SlangResult _compileProgramImpl(
         for (const auto& arg : options.downstreamArgs.getArgsByName("slang"))
         {
             args.add(arg.value.getBuffer());
-            if (arg.value == "-load-repro")
-                hasRepro = true;
+            // The -load-repro feature is not maintained, and not supported by the new compile API.
+            // TODO: Remove this when the feature has been deprecated.
+            SLANG_ASSERT(arg.value != "-load-repro");
         }
 
         // If there are additional args parse them
@@ -89,126 +88,122 @@ static SlangResult _compileProgramImpl(
         }
     }
 
-    // Only proceed if the command line arguments are not loading a repro.
-    if (!hasRepro)
-    {
-        spSetCodeGenTarget(slangRequest, input.target);
-        if (input.profile.getLength()) // do not set profile unless requested
-            spSetTargetProfile(
-                slangRequest,
-                0,
-                spFindProfile(out.session, input.profile.getBuffer()));
-        if (options.generateSPIRVDirectly)
-            spSetTargetFlags(slangRequest, 0, SLANG_TARGET_FLAG_GENERATE_SPIRV_DIRECTLY);
-        else
-            spSetTargetFlags(slangRequest, 0, 0);
+    spSetCodeGenTarget(slangRequest, input.target);
+    if (input.profile.getLength()) // do not set profile unless requested
+        spSetTargetProfile(
+            slangRequest,
+            0,
+            spFindProfile(out.globalSession, input.profile.getBuffer()));
+    if (options.generateSPIRVDirectly)
+        spSetTargetFlags(slangRequest, 0, SLANG_TARGET_FLAG_GENERATE_SPIRV_DIRECTLY);
+    else
+        spSetTargetFlags(slangRequest, 0, 0);
 
-        slangRequest->setAllowGLSLInput(options.allowGLSL);
+    slangRequest->setAllowGLSLInput(options.allowGLSL);
 
-        // Define a macro so that shader code in a test can detect what language we
-        // are nominally working with.
-        char const* langDefine = nullptr;
-        switch (input.sourceLanguage)
-        {
-        case SLANG_SOURCE_LANGUAGE_GLSL:
-            spAddPreprocessorDefine(slangRequest, "__GLSL__", "1");
-            break;
+    // Define a macro so that shader code in a test can detect what language we
+    // are nominally working with.
+    char const* langDefine = nullptr;
+    switch (input.sourceLanguage)
+    {
+    case SLANG_SOURCE_LANGUAGE_GLSL:
+        spAddPreprocessorDefine(slangRequest, "__GLSL__", "1");
+        break;
 
-        case SLANG_SOURCE_LANGUAGE_SLANG:
-            spAddPreprocessorDefine(slangRequest, "__SLANG__", "1");
-            // fall through
-        case SLANG_SOURCE_LANGUAGE_HLSL:
-            spAddPreprocessorDefine(slangRequest, "__HLSL__", "1");
-            break;
-        case SLANG_SOURCE_LANGUAGE_C:
-            spAddPreprocessorDefine(slangRequest, "__C__", "1");
-            break;
-        case SLANG_SOURCE_LANGUAGE_CPP:
-            spAddPreprocessorDefine(slangRequest, "__CPP__", "1");
-            break;
-        case SLANG_SOURCE_LANGUAGE_CUDA:
-            spAddPreprocessorDefine(slangRequest, "__CUDA__", "1");
-            break;
-        case SLANG_SOURCE_LANGUAGE_WGSL:
-            spAddPreprocessorDefine(slangRequest, "__WGSL__", "1");
-            break;
+    case SLANG_SOURCE_LANGUAGE_SLANG:
+        spAddPreprocessorDefine(slangRequest, "__SLANG__", "1");
+        // fall through
+    case SLANG_SOURCE_LANGUAGE_HLSL:
+        spAddPreprocessorDefine(slangRequest, "__HLSL__", "1");
+        break;
+    case SLANG_SOURCE_LANGUAGE_C:
+        spAddPreprocessorDefine(slangRequest, "__C__", "1");
+        break;
+    case SLANG_SOURCE_LANGUAGE_CPP:
+        spAddPreprocessorDefine(slangRequest, "__CPP__", "1");
+        break;
+    case SLANG_SOURCE_LANGUAGE_CUDA:
+        spAddPreprocessorDefine(slangRequest, "__CUDA__", "1");
+        break;
+    case SLANG_SOURCE_LANGUAGE_WGSL:
+        spAddPreprocessorDefine(slangRequest, "__WGSL__", "1");
+        break;
 
-        default:
-            assert(!"unexpected");
-            break;
-        }
+    default:
+        assert(!"unexpected");
+        break;
+    }
 
-        if (input.passThrough != SLANG_PASS_THROUGH_NONE)
-        {
-            spSetPassThrough(slangRequest, input.passThrough);
-        }
-        else
-        {
-            spSetCompileFlags(slangRequest, SLANG_COMPILE_FLAG_NO_CODEGEN);
-        }
+    if (input.passThrough != SLANG_PASS_THROUGH_NONE)
+    {
+        spSetPassThrough(slangRequest, input.passThrough);
+    }
+    else
+    {
+        spSetCompileFlags(slangRequest, SLANG_COMPILE_FLAG_NO_CODEGEN);
+    }
 
 
-        const auto sourceLanguage = input.sourceLanguage;
+    const auto sourceLanguage = input.sourceLanguage;
 
-        int translationUnitIndex = 0;
-        {
-            translationUnitIndex = spAddTranslationUnit(slangRequest, sourceLanguage, nullptr);
-            spAddTranslationUnitSourceString(
-                slangRequest,
-                translationUnitIndex,
-                request.source.path,
-                request.source.dataBegin);
-        }
+    int translationUnitIndex = 0;
+    {
+        translationUnitIndex = spAddTranslationUnit(slangRequest, sourceLanguage, nullptr);
+        spAddTranslationUnitSourceString(
+            slangRequest,
+            translationUnitIndex,
+            request.source.path,
+            request.source.dataBegin);
+    }
+
+    const int globalSpecializationArgCount = int(request.globalSpecializationArgs.getCount());
+    for (int ii = 0; ii < globalSpecializationArgCount; ++ii)
+    {
+        spSetTypeNameForGlobalExistentialTypeParam(
+            slangRequest,
+            ii,
+            request.globalSpecializationArgs[ii].getBuffer());
+    }
 
-        const int globalSpecializationArgCount = int(request.globalSpecializationArgs.getCount());
-        for (int ii = 0; ii < globalSpecializationArgCount; ++ii)
+    const int entryPointSpecializationArgCount =
+        int(request.entryPointSpecializationArgs.getCount());
+    auto setEntryPointSpecializationArgs = [&](int entryPoint)
+    {
+        for (int ii = 0; ii < entryPointSpecializationArgCount; ++ii)
         {
-            spSetTypeNameForGlobalExistentialTypeParam(
+            spSetTypeNameForEntryPointExistentialTypeParam(
                 slangRequest,
+                entryPoint,
                 ii,
-                request.globalSpecializationArgs[ii].getBuffer());
+                request.entryPointSpecializationArgs[ii].getBuffer());
         }
+    };
 
-        const int entryPointSpecializationArgCount =
-            int(request.entryPointSpecializationArgs.getCount());
-        auto setEntryPointSpecializationArgs = [&](int entryPoint)
-        {
-            for (int ii = 0; ii < entryPointSpecializationArgCount; ++ii)
-            {
-                spSetTypeNameForEntryPointExistentialTypeParam(
-                    slangRequest,
-                    entryPoint,
-                    ii,
-                    request.entryPointSpecializationArgs[ii].getBuffer());
-            }
-        };
-
-        Index explicitEntryPointCount = request.entryPoints.getCount();
-        for (Index ee = 0; ee < explicitEntryPointCount; ++ee)
+    Index explicitEntryPointCount = request.entryPoints.getCount();
+    for (Index ee = 0; ee < explicitEntryPointCount; ++ee)
+    {
+        if (options.dontAddDefaultEntryPoints)
         {
-            if (options.dontAddDefaultEntryPoints)
-            {
-                // If default entry points are not to be added, then
-                // the `request.entryPoints` array should have been
-                // left empty.
-                //
-                SLANG_ASSERT(false);
-            }
-
-            auto& entryPointInfo = request.entryPoints[ee];
-            int entryPointIndex = spAddEntryPoint(
-                slangRequest,
-                translationUnitIndex,
-                entryPointInfo.name,
-                entryPointInfo.slangStage);
-            SLANG_ASSERT(entryPointIndex == ee);
-
-            setEntryPointSpecializationArgs(entryPointIndex);
+            // If default entry points are not to be added, then
+            // the `request.entryPoints` array should have been
+            // left empty.
+            //
+            SLANG_ASSERT(false);
         }
 
-        spSetLineDirectiveMode(slangRequest, SLANG_LINE_DIRECTIVE_MODE_NONE);
+        auto& entryPointInfo = request.entryPoints[ee];
+        int entryPointIndex = spAddEntryPoint(
+            slangRequest,
+            translationUnitIndex,
+            entryPointInfo.name,
+            entryPointInfo.slangStage);
+        SLANG_ASSERT(entryPointIndex == ee);
+
+        setEntryPointSpecializationArgs(entryPointIndex);
     }
 
+    spSetLineDirectiveMode(slangRequest, SLANG_LINE_DIRECTIVE_MODE_NONE);
+
     if (options.generateSPIRVDirectly)
     {
         if (options.disableDebugInfo)
@@ -354,9 +349,12 @@ static SlangResult compileProgram(
         SLANG_RETURN_ON_FAIL(_compileProgramImpl(globalSession, options, input, request, out));
 
         out.m_requestDEPRECATED = slangOutput.m_requestDEPRECATED;
-        out.desc.slangGlobalScope = slangOutput.desc.slangGlobalScope;
+        // slangOutput.desc.slangGlobalScope and slangOutput.slangProgram are the same object, but
+        // the latter is a ComPtr while the former isn't. Therefore we need to detach so that the
+        // object doesn't get destroyed.
+        SLANG_ASSERT(slangOutput.desc.slangGlobalScope == slangOutput.slangProgram.get());
+        out.desc.slangGlobalScope = slangOutput.slangProgram.detach();
         slangOutput.m_requestDEPRECATED = nullptr;
-
         return SLANG_OK;
     }
 }
diff --git a/tools/render-test/slang-support.h b/tools/render-test/slang-support.h
index e105b6b86..60e63b57f 100644
--- a/tools/render-test/slang-support.h
+++ b/tools/render-test/slang-support.h
@@ -69,7 +69,7 @@ struct ShaderCompilerUtil
 
         ComPtr<SlangCompileRequest> m_requestDEPRECATED = nullptr;
 
-        SlangSession* session = nullptr;
+        slang::IGlobalSession* globalSession = nullptr;
     };
 
     struct OutputAndLayout