Method build

source/MaterialXRenderSlang/SlangProgram.cpp:83–189

}

bool SlangProgram::build()
{
    using namespace rhi;

    clearBuiltData();

    ComPtr<slang::ISession> slangSession = _context->getDevice()->getSlangSession();

    ComPtr<slang::IBlob> diagnosticsBlob;
    std::vector<slang::IComponentType*> componentTypes;
    StringVec diagnosticVec;

    _name = _context->deduplicateName(_name);

    const std::string& vertexShaderSource = _stages[Stage::VERTEX];
    if (!vertexShaderSource.empty())
    {
        slang::IModule* module = slangSession->loadModuleFromSourceString(
            (_name + "VertexShaders").c_str(),
            (_name + ".VertexShaders").c_str(),
            vertexShaderSource.c_str(),
            diagnosticsBlob.writeRef());

        if (diagnosticsBlob)
            diagnosticVec.push_back((const char*) diagnosticsBlob->getBufferPointer());

        if (!module)
            throw ExceptionRenderError("Failed to compile vertex shaders", diagnosticVec);

        ComPtr<slang::IEntryPoint> entryPoint;
        SLANG_RETURN_ON_FAIL(module->findEntryPointByName("vertexMain", entryPoint.writeRef()));

        componentTypes.push_back(module);
        componentTypes.push_back(entryPoint);
    }

    const std::string& pixelShaderSource = _stages[Stage::PIXEL];
    if (!pixelShaderSource.empty())
    {
        slang::IModule* module = slangSession->loadModuleFromSourceString(
            (_name + "PixelShaders").c_str(),
            (_name + ".PixelShaders").c_str(),
            pixelShaderSource.c_str(),
            diagnosticsBlob.writeRef());

        if (diagnosticsBlob)
            diagnosticVec.push_back((const char*) diagnosticsBlob->getBufferPointer());

        if (!module)
            throw ExceptionRenderError("Failed to compile frament shaders", diagnosticVec);

        ComPtr<slang::IEntryPoint> entryPoint;
        SLANG_RETURN_ON_FAIL(module->findEntryPointByName("fragmentMain", entryPoint.writeRef()));

        componentTypes.push_back(module);
        componentTypes.push_back(entryPoint);
    }