choose_present_mode()

vk::PresentModeKHR MayaFlux::Core::VKSwapchain::choose_present_mode ( const std::vector< vk::PresentModeKHR > &  available_modes, GraphicsSurfaceInfo::PresentMode  desired_mode  ) const

private

Choose best present mode from available modes based on config.

Definition at line 342 of file VKSwapchain.cpp.

{
    vk::PresentModeKHR vk_mode = to_vk_present_mode(desired_mode);
 
    for (const auto& mode : available_modes) {
        if (mode == vk_mode) {
            return mode;
        }
    }
 
    if (desired_mode == GraphicsSurfaceInfo::PresentMode::IMMEDIATE || desired_mode == GraphicsSurfaceInfo::PresentMode::MAILBOX) {
        for (const auto& mode : available_modes) {
            if (mode == vk::PresentModeKHR::eMailbox) {
                MF_WARN(Journal::Component::Core, Journal::Context::GraphicsBackend,
                    "Desired present mode not available, using MAILBOX");
                return mode;
            }
        }
        for (const auto& mode : available_modes) {
            if (mode == vk::PresentModeKHR::eImmediate) {
                MF_WARN(Journal::Component::Core, Journal::Context::GraphicsBackend,
                    "Desired present mode not available, using IMMEDIATE");
                return mode;
            }
        }
    }
 
    MF_WARN(Journal::Component::Core, Journal::Context::GraphicsBackend,
        "Desired present mode not available, falling back to FIFO (VSync)");
    return vk::PresentModeKHR::eFifo;
}

References MayaFlux::Journal::Core, MayaFlux::Journal::GraphicsBackend, MayaFlux::Core::GraphicsSurfaceInfo::IMMEDIATE, MayaFlux::Core::GraphicsSurfaceInfo::MAILBOX, MF_WARN, and MayaFlux::Core::to_vk_present_mode().

Referenced by create().

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