attach_render_pass()

bool MayaFlux::Core::BackendWindowHandler::attach_render_pass	(	const std::shared_ptr< Window > &	window,
		const std::shared_ptr< Core::VKRenderPass > &	render_pass
	)

Attach a user render pass and recreate sync objects with it Used by Portal when registering a window for rendering.

Definition at line 562 of file BackendWindowHandler.cpp.

{
    auto* context = find_window_context(window);
    if (!context) {
        MF_ERROR(Journal::Component::Core, Journal::Context::GraphicsCallback,
            "Window not registered");
        return false;
    }
 
    if (!render_pass) {
        MF_ERROR(Journal::Component::Core, Journal::Context::GraphicsCallback,
            "Cannot attach null render pass");
        return false;
    }
 
    m_context.wait_idle();
 
    for (auto& fb : context->framebuffers) {
        if (fb)
            fb->cleanup(m_context.get_device());
    }
    context->framebuffers.clear();
 
    if (context->render_pass) {
        context->render_pass->cleanup(m_context.get_device());
    }
    context->render_pass = render_pass;
    context->user_render_pass_attached = true;
 
    uint32_t image_count = context->swapchain->get_image_count();
    context->framebuffers.resize(image_count);
    auto extent = context->swapchain->get_extent();
    const auto& image_views = context->swapchain->get_image_views();
 
    for (uint32_t i = 0; i < image_count; ++i) {
        context->framebuffers[i] = std::make_unique<VKFramebuffer>();
        std::vector<vk::ImageView> attachments = { image_views[i] };
 
        if (!context->framebuffers[i]->create(
                m_context.get_device(),
                render_pass->get(),
                attachments,
                extent.width,
                extent.height)) {
            MF_ERROR(Journal::Component::Core, Journal::Context::GraphicsCallback,
                "Failed to create framebuffer {} with user render pass", i);
            return false;
        }
    }
 
    MF_INFO(Journal::Component::Core, Journal::Context::GraphicsCallback,
        "Attached user render pass to window '{}' - recreated {} framebuffers",
        window->get_create_info().title, image_count);
 
    return true;
}

References MayaFlux::Journal::Core, MayaFlux::Journal::GraphicsCallback, MF_ERROR, and MF_INFO.

Referenced by setup_backend_service().

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