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| |
| #include "qwaylandvulkaninstance_p.h" |
| #include "qwaylandwindow_p.h" |
| #include "qwaylandscreen_p.h" |
| #include "qwaylanddisplay_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QtWaylandClient { |
| |
| QWaylandVulkanInstance::QWaylandVulkanInstance(QVulkanInstance *instance) |
| : m_instance(instance) |
| { |
| loadVulkanLibrary(QStringLiteral("vulkan")); |
| } |
| |
| QWaylandVulkanInstance::~QWaylandVulkanInstance() = default; |
| |
| void QWaylandVulkanInstance::createOrAdoptInstance() |
| { |
| QByteArrayList extraExtensions; |
| extraExtensions << QByteArrayLiteral("VK_KHR_wayland_surface"); |
| initInstance(m_instance, extraExtensions); |
| |
| if (!m_vkInst) |
| return; |
| |
| m_getPhysDevPresSupport = reinterpret_cast<PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR>( |
| m_vkGetInstanceProcAddr(m_vkInst, "vkGetPhysicalDeviceWaylandPresentationSupportKHR")); |
| if (!m_getPhysDevPresSupport) |
| qWarning() << "Failed to find vkGetPhysicalDeviceWaylandPresentationSupportKHR"; |
| } |
| |
| bool QWaylandVulkanInstance::supportsPresent(VkPhysicalDevice physicalDevice, |
| uint32_t queueFamilyIndex, |
| QWindow *window) |
| { |
| if (!m_getPhysDevPresSupport || !m_getPhysDevSurfaceSupport) |
| return true; |
| |
| auto *w = static_cast<QWaylandWindow *>(window->handle()); |
| if (!w) { |
| qWarning() << "Attempted to call supportsPresent() without a valid platform window"; |
| return false; |
| } |
| wl_display *display = w->display()->wl_display(); |
| bool ok = m_getPhysDevPresSupport(physicalDevice, queueFamilyIndex, display); |
| |
| VkSurfaceKHR surface = QVulkanInstance::surfaceForWindow(window); |
| VkBool32 supported = false; |
| m_getPhysDevSurfaceSupport(physicalDevice, queueFamilyIndex, surface, &supported); |
| ok &= bool(supported); |
| |
| return ok; |
| } |
| |
| VkSurfaceKHR QWaylandVulkanInstance::createSurface(QWaylandWindow *window) |
| { |
| VkSurfaceKHR surface = VK_NULL_HANDLE; |
| |
| if (!m_createSurface) { |
| m_createSurface = reinterpret_cast<PFN_vkCreateWaylandSurfaceKHR>( |
| m_vkGetInstanceProcAddr(m_vkInst, "vkCreateWaylandSurfaceKHR")); |
| } |
| if (!m_createSurface) { |
| qWarning() << "Failed to find vkCreateWaylandSurfaceKHR"; |
| return surface; |
| } |
| |
| VkWaylandSurfaceCreateInfoKHR surfaceInfo; |
| memset(&surfaceInfo, 0, sizeof(surfaceInfo)); |
| surfaceInfo.sType = VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR; |
| surfaceInfo.display = window->display()->wl_display(); |
| surfaceInfo.surface = window->wlSurface(); |
| VkResult err = m_createSurface(m_vkInst, &surfaceInfo, nullptr, &surface); |
| if (err != VK_SUCCESS) |
| qWarning("Failed to create Vulkan surface: %d", err); |
| |
| return surface; |
| } |
| |
| void QWaylandVulkanInstance::presentAboutToBeQueued(QWindow *window) |
| { |
| auto *w = static_cast<QWaylandWindow *>(window->handle()); |
| if (!w) { |
| qWarning() << "Attempted to call presentAboutToBeQueued() without a valid platform window"; |
| return; |
| } |
| w->handleUpdate(); |
| } |
| |
| } // namespace QtWaylandClient |
| |
| QT_END_NAMESPACE |