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// unit-test-find-entrypoint-nested.cpp
#include "../../source/core/slang-io.h"
#include "../../source/core/slang-process.h"
#include "slang-com-ptr.h"
#include "slang.h"
#include "unit-test/slang-unit-test.h"
#include <stdio.h>
#include <stdlib.h>
using namespace Slang;
// Test that the IModule::findAndCheckEntryPoint API works with modules that
// defines two entrypoints, where one entrypoint calls the other.
SLANG_UNIT_TEST(findEntryPointNested)
{
// Source for a module that contains an undecorated entrypoint.
const char* userSourceBody = R"(
[shader("raygeneration")]
void inner()
{
AllMemoryBarrier();
}
[shader("raygeneration")]
void outer()
{
inner();
}
)";
auto moduleName = "moduleG" + String(Process::getId());
String userSource = "import " + moduleName + ";\n" + userSourceBody;
ComPtr<slang::IGlobalSession> globalSession;
SLANG_CHECK(slang_createGlobalSession(SLANG_API_VERSION, globalSession.writeRef()) == SLANG_OK);
slang::TargetDesc targetDesc = {};
targetDesc.format = SLANG_SPIRV;
targetDesc.profile = globalSession->findProfile("spirv_1_5");
slang::SessionDesc sessionDesc = {};
sessionDesc.targetCount = 1;
sessionDesc.targets = &targetDesc;
sessionDesc.compilerOptionEntryCount = 1;
slang::CompilerOptionEntry compilerOptionEntry = {};
compilerOptionEntry.name = slang::CompilerOptionName::EmitSpirvViaGLSL;
compilerOptionEntry.value.kind = slang::CompilerOptionValueKind::Int;
compilerOptionEntry.value.intValue0 = 1;
sessionDesc.compilerOptionEntries = &compilerOptionEntry;
ComPtr<slang::ISession> session;
SLANG_CHECK(globalSession->createSession(sessionDesc, session.writeRef()) == SLANG_OK);
ComPtr<slang::IBlob> diagnosticBlob;
auto module = session->loadModuleFromSourceString(
"m",
"m.slang",
userSourceBody,
diagnosticBlob.writeRef());
SLANG_CHECK(module != nullptr);
ComPtr<slang::IEntryPoint> entryPoint;
module->findAndCheckEntryPoint(
"outer",
SLANG_STAGE_RAY_GENERATION,
entryPoint.writeRef(),
diagnosticBlob.writeRef());
SLANG_CHECK(entryPoint != nullptr);
ComPtr<slang::IComponentType> compositeProgram;
slang::IComponentType* components[] = {module, entryPoint.get()};
session->createCompositeComponentType(
components,
2,
compositeProgram.writeRef(),
diagnosticBlob.writeRef());
SLANG_CHECK(compositeProgram != nullptr);
ComPtr<slang::IComponentType> linkedProgram;
compositeProgram->link(linkedProgram.writeRef(), diagnosticBlob.writeRef());
SLANG_CHECK(linkedProgram != nullptr);
ComPtr<slang::IBlob> code;
linkedProgram->getEntryPointCode(0, 0, code.writeRef(), diagnosticBlob.writeRef());
SLANG_CHECK(code != nullptr);
SLANG_CHECK(code->getBufferSize() != 0);
}
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