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// unit-test-translation-unit-import.cpp
#include "slang.h"
#include <stdio.h>
#include <stdlib.h>
#include "tools/unit-test/slang-unit-test.h"
#include "slang-com-ptr.h"
#include "../../source/core/slang-io.h"
#include "../../source/core/slang-process.h"
using namespace Slang;
static String getTypeFullName(slang::TypeReflection* type)
{
ComPtr<ISlangBlob> blob;
type->getFullName(blob.writeRef());
return String((const char*)blob->getBufferPointer());
}
// Test that the reflection API provides correct info about entry point and ordinary functions.
SLANG_UNIT_TEST(functionReflection)
{
// Source for a module that contains an undecorated entrypoint.
const char* userSourceBody = R"(
[__AttributeUsage(_AttributeTargets.Function)]
struct MyFuncPropertyAttribute {int v;}
[MyFuncProperty(1024)]
[Differentiable]
float ordinaryFunc(no_diff float x, int y) { return x + y; }
float4 fragMain(float4 pos:SV_Position) : SV_Position
{
return pos;
}
float foo(float x) { return x; }
float foo(float x, uint i) { return x + i; }
int bar1(IFloat a, IFloat b) { return 0; }
int bar2<T>(T a, float3 b) { return 0; }
int bar3(float3 b) { return 0; }
)";
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_HLSL;
targetDesc.profile = globalSession->findProfile("sm_5_0");
slang::SessionDesc sessionDesc = {};
sessionDesc.targetCount = 1;
sessionDesc.targets = &targetDesc;
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("fragMain", SLANG_STAGE_FRAGMENT, entryPoint.writeRef(), diagnosticBlob.writeRef());
SLANG_CHECK(entryPoint != nullptr);
auto entryPointFuncReflection = entryPoint->getFunctionReflection();
SLANG_CHECK(entryPointFuncReflection != nullptr);
SLANG_CHECK(UnownedStringSlice(entryPointFuncReflection->getName()) == "fragMain");
SLANG_CHECK(entryPointFuncReflection->getParameterCount() == 1);
SLANG_CHECK(UnownedStringSlice(entryPointFuncReflection->getParameterByIndex(0)->getName()) == "pos");
SLANG_CHECK(getTypeFullName(entryPointFuncReflection->getParameterByIndex(0)->getType()) == "vector<float,4>");
auto funcReflection = module->getLayout()->findFunctionByName("ordinaryFunc");
SLANG_CHECK(funcReflection != nullptr);
SLANG_CHECK(funcReflection->findModifier(slang::Modifier::Differentiable) != nullptr);
SLANG_CHECK(getTypeFullName(funcReflection->getReturnType()) == "float");
SLANG_CHECK(UnownedStringSlice(funcReflection->getName()) == "ordinaryFunc");
SLANG_CHECK(funcReflection->getParameterCount() == 2);
SLANG_CHECK(UnownedStringSlice(funcReflection->getParameterByIndex(0)->getName()) == "x");
SLANG_CHECK(getTypeFullName(funcReflection->getParameterByIndex(0)->getType()) == "float");
SLANG_CHECK(funcReflection->getParameterByIndex(0)->findModifier(slang::Modifier::NoDiff) != nullptr);
SLANG_CHECK(UnownedStringSlice(funcReflection->getParameterByIndex(1)->getName()) == "y");
SLANG_CHECK(getTypeFullName(funcReflection->getParameterByIndex(1)->getType()) == "int");
SLANG_CHECK(funcReflection->getUserAttributeCount() == 1);
auto userAttribute = funcReflection->getUserAttributeByIndex(0);
SLANG_CHECK(UnownedStringSlice(userAttribute->getName()) == "MyFuncProperty");
SLANG_CHECK(userAttribute->getArgumentCount() == 1);
SLANG_CHECK(getTypeFullName(userAttribute->getArgumentType(0)) == "int");
int val = 0;
auto result = userAttribute->getArgumentValueInt(0, &val);
SLANG_CHECK(result == SLANG_OK);
SLANG_CHECK(val == 1024);
SLANG_CHECK(funcReflection->findUserAttributeByName(globalSession.get(), "MyFuncProperty") == userAttribute);
// Check overloaded method resolution
auto overloadReflection = module->getLayout()->findFunctionByName("foo");
SLANG_CHECK(overloadReflection != nullptr);
SLANG_CHECK(overloadReflection->isOverloaded() == true);
SLANG_CHECK(overloadReflection->getOverloadCount() == 2);
auto firstOverload = overloadReflection->getOverload(0);
SLANG_CHECK(firstOverload != nullptr);
SLANG_CHECK(UnownedStringSlice(firstOverload->getName()) == "foo");
SLANG_CHECK(firstOverload->getParameterCount() == 2);
SLANG_CHECK(UnownedStringSlice(firstOverload->getParameterByIndex(0)->getName()) == "x");
SLANG_CHECK(getTypeFullName(firstOverload->getParameterByIndex(0)->getType()) == "float");
SLANG_CHECK(UnownedStringSlice(firstOverload->getParameterByIndex(1)->getName()) == "i");
SLANG_CHECK(getTypeFullName(firstOverload->getParameterByIndex(1)->getType()) == "uint");
auto secondOverload = overloadReflection->getOverload(1);
SLANG_CHECK(secondOverload != nullptr);
SLANG_CHECK(UnownedStringSlice(secondOverload->getName()) == "foo");
SLANG_CHECK(secondOverload->getParameterCount() == 1);
SLANG_CHECK(UnownedStringSlice(secondOverload->getParameterByIndex(0)->getName()) == "x");
// Check overload resolution via argument types.
slang::TypeReflection* argTypes[] = {
module->getLayout()->findTypeByName("float"),
module->getLayout()->findTypeByName("uint"),
};
auto resolvedFunctionReflection = overloadReflection->specializeWithArgTypes(2, argTypes);
SLANG_CHECK(resolvedFunctionReflection == firstOverload);
//
// More testing for specializeWithArgTypes
//
// bar1 (IFloat, IFloat) -> int
//
auto bar1Reflection = module->getLayout()->findFunctionByName("bar1");
SLANG_CHECK(bar1Reflection != nullptr);
SLANG_CHECK(bar1Reflection->isOverloaded() == false);
SLANG_CHECK(bar1Reflection->getParameterCount() == 2);
auto float3Type = module->getLayout()->findTypeByName("float3");
SLANG_CHECK(float3Type != nullptr);
argTypes[0] = float3Type;
argTypes[1] = float3Type;
resolvedFunctionReflection = bar1Reflection->specializeWithArgTypes(2, argTypes);
SLANG_CHECK(resolvedFunctionReflection != nullptr);
SLANG_CHECK(resolvedFunctionReflection->getParameterCount() == 2);
SLANG_CHECK(getTypeFullName(resolvedFunctionReflection->getParameterByIndex(0)->getType()) == "IFloat");
SLANG_CHECK(getTypeFullName(resolvedFunctionReflection->getParameterByIndex(1)->getType()) == "IFloat");
// bar2 (T : IFloat, float3) -> int
//
auto bar2Reflection = module->getLayout()->findFunctionByName("bar2");
SLANG_CHECK(bar2Reflection != nullptr);
SLANG_CHECK(bar2Reflection->isOverloaded() == false);
SLANG_CHECK(bar2Reflection->getParameterCount() == 2);
auto floatType = module->getLayout()->findTypeByName("float");
SLANG_CHECK(floatType != nullptr);
argTypes[0] = floatType;
argTypes[1] = float3Type;
resolvedFunctionReflection = bar2Reflection->specializeWithArgTypes(2, argTypes);
SLANG_CHECK(resolvedFunctionReflection != nullptr);
SLANG_CHECK(resolvedFunctionReflection->getParameterCount() == 2);
SLANG_CHECK(getTypeFullName(resolvedFunctionReflection->getParameterByIndex(0)->getType()) == "float");
SLANG_CHECK(getTypeFullName(resolvedFunctionReflection->getParameterByIndex(1)->getType()) == "vector<float,3>");
// failure case
argTypes[0] = floatType;
argTypes[1] = module->getLayout()->findTypeByName("float2");
resolvedFunctionReflection = bar2Reflection->specializeWithArgTypes(2, argTypes);
SLANG_CHECK(resolvedFunctionReflection == nullptr); // any errors should result in a nullptr.
// bar3 (float3) -> int
// (trivial case)
auto bar3Reflection = module->getLayout()->findFunctionByName("bar3");
SLANG_CHECK(bar3Reflection != nullptr);
SLANG_CHECK(bar3Reflection->isOverloaded() == false);
SLANG_CHECK(bar3Reflection->getParameterCount() == 1);
argTypes[0] = float3Type;
resolvedFunctionReflection = bar3Reflection->specializeWithArgTypes(1, argTypes);
SLANG_CHECK(resolvedFunctionReflection != nullptr);
SLANG_CHECK(resolvedFunctionReflection == bar3Reflection);
}
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