Method BuildUIResolutionPicker

Rtxpt/SampleUI.cpp:274–321

}

void SampleUI::BuildUIResolutionPicker()
{
    if (!ImGui::BeginPopupModal("Resolution Picker", nullptr, ImGuiWindowFlags_AlwaysAutoResize))
        return;

    struct Resolution { int w, h; const char* label; };
    static const Resolution standardResolutions[] = {
        { 1280,  720, "1280 x 720   (16:9)" },
        { 1280,  800, "1280 x 800   (16:10)" },
        { 1366,  768, "1366 x 768   (16:9)" },
        { 1440,  900, "1440 x 900   (16:10)" },
        { 1600,  900, "1600 x 900   (16:9)" },
        { 1680, 1050, "1680 x 1050  (16:10)" },
        { 1920, 1080, "1920 x 1080  (16:9)" },
        { 1920, 1200, "1920 x 1200  (16:10)" },
        { 2560, 1440, "2560 x 1440  (16:9)" },
        { 2560, 1600, "2560 x 1600  (16:10)" },
        { 3840, 2160, "3840 x 2160  (16:9)" },
        { 3840, 2400, "3840 x 2400  (16:10)" },
    };

    const GLFWvidmode* monitorMode = glfwGetVideoMode(glfwGetPrimaryMonitor());
    int currentW = (int)m_app.GetDisplaySize().x;
    int currentH = (int)m_app.GetDisplaySize().y;

    ImGui::Text("Click to change resolution:");
    ImGui::Separator();

    for (const auto& res : standardResolutions)
    {
        if (res.w > monitorMode->width || res.h > monitorMode->height)
            continue;

        bool isCurrent = (res.w == currentW && res.h == currentH);
        std::string displayLabel = std::string(res.label) + (isCurrent ? "  [current]" : "");
        if (ImGui::Selectable(displayLabel.c_str(), isCurrent))
        {
            glfwSetWindowSize(GetDeviceManager()->GetWindow(), res.w, res.h);
            ImGui::CloseCurrentPopup();
        }
    }

    ImGui::Separator();
    if (ImGui::Button("Cancel", { -1, 0 }) || ImGui::IsKeyPressed(ImGuiKey_Escape))
        ImGui::CloseCurrentPopup();

    ImGui::EndPopup();
}

void SampleUI::BuildUIPerformancePresets()
{