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// unit-test-translation-unit-import.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;
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 modules with link-time types.
SLANG_UNIT_TEST(linkTimeTypeReflection)
{
// Source for a module that contains can be specialized with a link-time type.
const char* userSourceBody = R"(
interface IMaterial { float4 load(); }
extern struct Material : IMaterial;
ConstantBuffer<Material> gMaterial;
RWTexture2D tex;
extern static const int count;
uniform uint4 buffers[count];
[numthreads(1,1,1)]
[shader("compute")]
void computeMain() {
tex[uint2(0, 0)] = gMaterial.load();
}
)";
String moduleName = "linkTimeTypeReflection_Compute";
ComPtr<slang::IGlobalSession> globalSession;
SLANG_CHECK(slang_createGlobalSession(SLANG_API_VERSION, globalSession.writeRef()) == SLANG_OK);
slang::TargetDesc targetDesc = {};
targetDesc.format = SLANG_SPIRV_ASM;
targetDesc.profile = globalSession->findProfile("spirv_1_5");
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(
moduleName.getBuffer(),
(moduleName + ".slang").getBuffer(),
userSourceBody,
diagnosticBlob.writeRef());
SLANG_CHECK_ABORT(module != nullptr);
// Source for a module that defines the link-time type.
String configModuleSource = "import " + moduleName + ";\n" + R"(
export struct Material : IMaterial = MyMaterial;
export static const int count = 11;
struct MyMaterial : IMaterial {
int data;
Texture2D diffuse;
float4 load() { return diffuse.Load(uint3(0,0,0)); }
}
)";
auto configModule = session->loadModuleFromSourceString(
"config",
"config.slang",
configModuleSource.getBuffer(),
diagnosticBlob.writeRef());
SLANG_CHECK_ABORT(configModule != nullptr);
slang::IComponentType* components[] = {module, configModule};
ComPtr<slang::IComponentType> compositeProgram;
session->createCompositeComponentType(
components,
2,
compositeProgram.writeRef(),
diagnosticBlob.writeRef());
SLANG_CHECK_ABORT(compositeProgram != nullptr);
ComPtr<slang::IComponentType> linkedProgram;
compositeProgram->link(linkedProgram.writeRef(), diagnosticBlob.writeRef());
SLANG_CHECK_ABORT(linkedProgram != nullptr);
auto programLayout = linkedProgram->getLayout();
auto var0 = programLayout->getParameterByIndex(0);
// `gMaterial`'s binding starts at 1, because there is an implicit global uniform buffer.
SLANG_CHECK(var0->getOffset(slang::ParameterCategory::DescriptorTableSlot) == 1);
SLANG_CHECK(var0->getTypeLayout()->getSize(slang::ParameterCategory::DescriptorTableSlot) == 2);
auto elementLayout = var0->getTypeLayout()->getElementTypeLayout();
SLANG_CHECK_ABORT(elementLayout != nullptr);
SLANG_CHECK(elementLayout->getSize() == 16);
auto var1 = programLayout->getParameterByIndex(1);
SLANG_CHECK(var1->getOffset(slang::ParameterCategory::DescriptorTableSlot) == 3);
auto var2 = programLayout->getParameterByIndex(2);
SLANG_CHECK(var2->getTypeLayout()->getSize() == 11 * 16);
ComPtr<slang::IBlob> codeBlob;
linkedProgram->getTargetCode(0, codeBlob.writeRef(), diagnosticBlob.writeRef());
SLANG_CHECK_ABORT(codeBlob.get());
auto spirvStr = UnownedStringSlice((const char*)codeBlob->getBufferPointer());
SLANG_CHECK(spirvStr.indexOf(toSlice("OpDecorate %tex Binding 3")) != -1);
}
// Test that the reflection API provides correct info about modules using link-time constants in a
// `Conditional` field.
SLANG_UNIT_TEST(linkTimeConditionalReflection)
{
// Source for a module that contains can be specialized with a link-time constant.
const char* userSourceBody = R"(
module LinkTimeConditional;
extern static const bool hasNormal;
extern static const bool hasColor;
struct VertexOut
{
float4 pos : SV_Position;
float someData;
Conditional<float3, hasNormal> normal;
Conditional<float3, hasColor> color;
}
[shader("vertex")]
VertexOut vertexMain()
{
VertexOut v;
v.pos = float4(0,0,0,1);
v.someData = 2.0f;
v.normal.set(float3(1,0,0));
v.color.set(float3(1,1,1));
return v;
}
)";
String moduleName = "LinkTimeConditional";
ComPtr<slang::IGlobalSession> globalSession;
SLANG_CHECK(slang_createGlobalSession(SLANG_API_VERSION, globalSession.writeRef()) == SLANG_OK);
slang::TargetDesc targetDesc = {};
targetDesc.format = SLANG_SPIRV_ASM;
targetDesc.profile = globalSession->findProfile("spirv_1_5");
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(
moduleName.getBuffer(),
(moduleName + ".slang").getBuffer(),
userSourceBody,
diagnosticBlob.writeRef());
SLANG_CHECK_ABORT(module != nullptr);
// Source for a module that defines the link-time constants.
String configModuleSource = R"(
export static const bool hasNormal = false;
export static const bool hasColor = true;
)";
auto configModule = session->loadModuleFromSourceString(
"config",
"config.slang",
configModuleSource.getBuffer(),
diagnosticBlob.writeRef());
SLANG_CHECK_ABORT(configModule != nullptr);
ComPtr<slang::IEntryPoint> entryPoint;
module->getDefinedEntryPoint(0, entryPoint.writeRef());
slang::IComponentType* components[] = {module, configModule, entryPoint};
ComPtr<slang::IComponentType> compositeProgram;
session->createCompositeComponentType(
components,
3,
compositeProgram.writeRef(),
diagnosticBlob.writeRef());
SLANG_CHECK_ABORT(compositeProgram != nullptr);
ComPtr<slang::IComponentType> linkedProgram;
compositeProgram->link(linkedProgram.writeRef(), diagnosticBlob.writeRef());
SLANG_CHECK_ABORT(linkedProgram != nullptr);
auto programLayout = linkedProgram->getLayout();
auto entryPointLayout = programLayout->getEntryPointByIndex(0);
auto resultLayout = entryPointLayout->getResultVarLayout();
SLANG_CHECK_ABORT(resultLayout != nullptr);
// Number of varying output is 2, because `pos` is a system value that doesn't count towards
// varying output.
SLANG_CHECK(
resultLayout->getTypeLayout()->getSize(slang::ParameterCategory::VaryingOutput) == 2);
ComPtr<slang::IBlob> codeBlob;
linkedProgram->getTargetCode(0, codeBlob.writeRef(), diagnosticBlob.writeRef());
SLANG_CHECK_ABORT(codeBlob.get());
auto spirvStr = UnownedStringSlice((const char*)codeBlob->getBufferPointer());
// Test that the resulting spirv defines output at location 1, but not at location 2.
SLANG_CHECK(spirvStr.indexOf(toSlice("Location 1")) != -1);
SLANG_CHECK(spirvStr.indexOf(toSlice("Location 2")) == -1);
}
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