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// unit-test-glsl-compile.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 the compilation API for cross-compiling glsl source to SPIRV.
SLANG_UNIT_TEST(glslCompile)
{
const char* userSourceBody = R"(
#version 450 core
layout(location = 0) in vec2 aPosition;
layout(location = 1) in vec4 aColor;
layout(location = 0) out vec4 vColor;
void main() {
vColor = aColor;
gl_Position = vec4(aPosition, 0, 1);
}
)";
ComPtr<slang::IGlobalSession> globalSession;
SlangGlobalSessionDesc globalDesc = {};
globalDesc.enableGLSL = true;
SLANG_CHECK(slang_createGlobalSession2(&globalDesc, 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;
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(
"main",
SLANG_STAGE_VERTEX,
entryPoint.writeRef(),
diagnosticBlob.writeRef());
slang::IComponentType* componentTypes[2] = {module, entryPoint.get()};
ComPtr<slang::IComponentType> composedProgram;
session->createCompositeComponentType(
componentTypes,
2,
composedProgram.writeRef(),
diagnosticBlob.writeRef());
ComPtr<slang::IComponentType> linkedProgram;
composedProgram->link(linkedProgram.writeRef(), diagnosticBlob.writeRef());
ComPtr<slang::IBlob> code;
linkedProgram->getEntryPointCode(0, 0, code.writeRef(), diagnosticBlob.writeRef());
SLANG_CHECK(code != nullptr);
}
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