Function main

deps/LLGL/examples/Cpp/MultiContext/Example.cpp:11–270

int main(int argc, char* argv[])
{
    try
    {
        // Set report callback to standard output
        LLGL::Log::SetReportCallbackStd();

        // Load render system module
        LLGL::RenderingDebugger debugger;
        auto renderer = LLGL::RenderSystem::Load(GetSelectedRendererModule(argc, argv), nullptr, &debugger);

        std::cout << "LLGL Renderer: " << renderer->GetName() << std::endl;

        // Create two render contexts
        LLGL::RenderContextDescriptor contextDesc;
        {
            contextDesc.videoMode.resolution    = { 640, 480 };
            contextDesc.vsync.enabled           = true;
            contextDesc.samples                 = 8;
        }
        auto context1 = renderer->CreateRenderContext(contextDesc);
        auto context2 = renderer->CreateRenderContext(contextDesc);

        // Get command queue and create command buffer
        auto commandQueue = renderer->GetCommandQueue();
        auto commands = renderer->CreateCommandBuffer();

        // Create input handler
        auto input = std::make_shared<LLGL::Input>();

        auto& window1 = static_cast<LLGL::Window&>(context1->GetSurface());
        auto& window2 = static_cast<LLGL::Window&>(context2->GetSurface());

        window1.AddEventListener(input);
        window2.AddEventListener(input);

        // Set window titles
        window1.SetTitle(L"LLGL Example: Multi Context (1)");
        window2.SetTitle(L"LLGL Example: Multi Context (2)");

        // Set window positions
        LLGL::Extent2D desktopResolution;
        if (auto display = LLGL::Display::InstantiatePrimary())
            desktopResolution = display->GetDisplayMode().resolution;

        const LLGL::Offset2D desktopCenter
        {
            static_cast<int>(desktopResolution.width)/2,
            static_cast<int>(desktopResolution.height)/2
        };

        window1.SetPosition({ desktopCenter.x - 700, desktopCenter.y - 480/2 });
        window2.SetPosition({ desktopCenter.x + 700 - 640, desktopCenter.y - 480/2 });

        // Show windows
        window1.Show();
        window2.Show();