/* GDK - The GIMP Drawing Kit * * gdkvulkancontext.c: Vulkan wrappers * * Copyright © 2016 Benjamin Otte * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library. If not, see . */ #include "config.h" #include "gdkvulkancontext.h" #include "gdkvulkancontextprivate.h" #include "gdkdisplayprivate.h" #include #include /** * GdkVulkanContext: * * `GdkVulkanContext` is an object representing the platform-specific * Vulkan draw context. * * `GdkVulkanContext`s are created for a surface using * [method@Gdk.Surface.create_vulkan_context], and the context will match * the characteristics of the surface. * * Support for `GdkVulkanContext` is platform-specific and context creation * can fail, returning %NULL context. */ typedef struct _GdkVulkanContextPrivate GdkVulkanContextPrivate; struct _GdkVulkanContextPrivate { #ifdef GDK_RENDERING_VULKAN VkSurfaceKHR surface; struct { VkSurfaceFormatKHR vk_format; GdkMemoryFormat gdk_format; } formats[4]; GdkMemoryDepth current_format; GdkMemoryFormat offscreen_formats[4]; VkSwapchainKHR swapchain; VkSemaphore draw_semaphore; guint n_images; VkImage *images; cairo_region_t **regions; gboolean has_present_region; #endif guint32 draw_index; guint vulkan_ref: 1; }; enum { IMAGES_UPDATED, LAST_SIGNAL }; G_DEFINE_QUARK (gdk-vulkan-error-quark, gdk_vulkan_error) static guint signals[LAST_SIGNAL] = { 0 }; static void gdk_vulkan_context_initable_init (GInitableIface *iface); G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GdkVulkanContext, gdk_vulkan_context, GDK_TYPE_DRAW_CONTEXT, G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE, gdk_vulkan_context_initable_init) G_ADD_PRIVATE (GdkVulkanContext)) #ifdef GDK_RENDERING_VULKAN const char * gdk_vulkan_strerror (VkResult result) { /* If your compiler brought you here with a warning about missing * enumeration values, you're running a newer Vulkan version than * the GTK developers (or you are a GTK developer) and have * encountered a newly added Vulkan error message. * You want to add it to this enum now. * * Because the Vulkan people don't make adding this too easy, here's * the process to manage it: * 1. go to * https://github.com/KhronosGroup/Vulkan-Headers/blob/main/include/vulkan/vulkan_core.h * 2. Find the line where this enum value was added. * 3. Click the commit that added this line. * 4. The commit you're looking at now should also change * VK_HEADER_VERSION, find that number. * 5. Use that number in the #ifdef when adding the enum value to * this enum. * 6. For the error message, look at the specification (the one * that includes all extensions) at * https://www.khronos.org/registry/vulkan/specs/1.0-extensions/html/vkspec.html#VkResult * 7. If this value has not been added to the specification yet, * search for the error message in the text of specification. * Often it will have a description that can be used as an error * message. * 8. If that didn't lead to one (or you are lazy), just use the * literal string of the enum value as the error message. A * GTK developer will add the correct one once it's added to the * specification. */ switch (result) { case VK_SUCCESS: return "Command successfully completed. (VK_SUCCESS)"; case VK_NOT_READY: return "A fence or query has not yet completed. (VK_NOT_READY)"; case VK_TIMEOUT: return "A wait operation has not completed in the specified time. (VK_TIMEOUT)"; case VK_EVENT_SET: return "An event is signaled. (VK_EVENT_SET)"; case VK_EVENT_RESET: return "An event is unsignaled. (VK_EVENT_RESET)"; case VK_INCOMPLETE: return "A return array was too small for the result. (VK_INCOMPLETE)"; case VK_SUBOPTIMAL_KHR: return "A swapchain no longer matches the surface properties exactly, but can still be used to present to the surface successfully. (VK_SUBOPTIMAL_KHR)"; case VK_ERROR_OUT_OF_HOST_MEMORY: return "A host memory allocation has failed. (VK_ERROR_OUT_OF_HOST_MEMORY)"; case VK_ERROR_OUT_OF_DEVICE_MEMORY: return "A device memory allocation has failed. (VK_ERROR_OUT_OF_DEVICE_MEMORY)"; case VK_ERROR_INITIALIZATION_FAILED: return "Initialization of an object could not be completed for implementation-specific reasons. (VK_ERROR_INITIALIZATION_FAILED)"; case VK_ERROR_DEVICE_LOST: return "The logical or physical device has been lost. (VK_ERROR_DEVICE_LOST)"; case VK_ERROR_MEMORY_MAP_FAILED: return "Mapping of a memory object has failed. (VK_ERROR_MEMORY_MAP_FAILED)"; case VK_ERROR_LAYER_NOT_PRESENT: return "A requested layer is not present or could not be loaded. (VK_ERROR_LAYER_NOT_PRESENT)"; case VK_ERROR_EXTENSION_NOT_PRESENT: return "A requested extension is not supported. (VK_ERROR_EXTENSION_NOT_PRESENT)"; case VK_ERROR_FEATURE_NOT_PRESENT: return "A requested feature is not supported. (VK_ERROR_FEATURE_NOT_PRESENT)"; case VK_ERROR_INCOMPATIBLE_DRIVER: return "The requested version of Vulkan is not supported by the driver or is otherwise incompatible for implementation-specific reasons. (VK_ERROR_INCOMPATIBLE_DRIVER)"; case VK_ERROR_TOO_MANY_OBJECTS: return "Too many objects of the type have already been created. (VK_ERROR_TOO_MANY_OBJECTS)"; case VK_ERROR_FORMAT_NOT_SUPPORTED: return "A requested format is not supported on this device. (VK_ERROR_FORMAT_NOT_SUPPORTED)"; #if VK_HEADER_VERSION >= 24 case VK_ERROR_FRAGMENTED_POOL: return "A requested pool allocation has failed due to fragmentation of the pool’s memory. (VK_ERROR_FRAGMENTED_POOL)"; #endif case VK_ERROR_SURFACE_LOST_KHR: return "A surface is no longer available. (VK_ERROR_SURFACE_LOST_KHR)"; case VK_ERROR_NATIVE_WINDOW_IN_USE_KHR: return "The requested window is already in use by Vulkan or another API in a manner which prevents it from being used again. (VK_ERROR_NATIVE_WINDOW_IN_USE_KHR)"; case VK_ERROR_OUT_OF_DATE_KHR: return "A surface has changed in such a way that it is no longer compatible with the swapchain. (VK_ERROR_OUT_OF_DATE_KHR)"; case VK_ERROR_INCOMPATIBLE_DISPLAY_KHR: return "The display used by a swapchain does not use the same presentable image layout, or is incompatible in a way that prevents sharing an image. (VK_ERROR_INCOMPATIBLE_DISPLAY_KHR)"; case VK_ERROR_VALIDATION_FAILED_EXT: return "The application caused the validation layer to fail. (VK_ERROR_VALIDATION_FAILED_EXT)"; case VK_ERROR_INVALID_SHADER_NV: return "One or more shaders failed to compile or link. (VK_ERROR_INVALID_SHADER_NV)"; #if VK_HEADER_VERSION >= 39 case VK_ERROR_OUT_OF_POOL_MEMORY_KHR: return "A pool memory allocation has failed. (VK_ERROR_OUT_OF_POOL_MEMORY_KHR)"; #endif #if VK_HEADER_VERSION >= 54 case VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR: return "An external handle is not a valid handle of the specified type. (VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR)"; #endif #if VK_HEADER_VERSION >= 64 case VK_ERROR_NOT_PERMITTED_EXT: return "The caller does not have sufficient privileges. (VK_ERROR_NOT_PERMITTED_EXT)"; #endif #if VK_HEADER_VERSION >= 72 case VK_ERROR_FRAGMENTATION_EXT: return "A descriptor pool creation has failed due to fragmentation. (VK_ERROR_FRAGMENTATION_EXT)"; #endif #if VK_HEADER_VERSION >= 89 case VK_ERROR_INVALID_DRM_FORMAT_MODIFIER_PLANE_LAYOUT_EXT: return "Invalid DRM format modifier plane layout (VK_ERROR_INVALID_DRM_FORMAT_MODIFIER_PLANE_LAYOUT_EXT)"; #endif #if VK_HEADER_VERSION >= 97 case VK_ERROR_INVALID_DEVICE_ADDRESS_EXT: return "Invalid device address (VK_ERROR_INVALID_DEVICE_ADDRESS_EXT)"; #endif #if VK_HEADER_VERSION >= 105 case VK_ERROR_FULL_SCREEN_EXCLUSIVE_MODE_LOST_EXT: return "An operation on a swapchain created with VK_FULL_SCREEN_EXCLUSIVE_APPLICATION_CONTROLLED_EXT failed as it did not have exclusive full-screen access. (VK_ERROR_FULL_SCREEN_EXCLUSIVE_MODE_LOST_EXT)"; #endif #if VK_HEADER_VERSION >= 131 case VK_ERROR_UNKNOWN: return "An unknown error has occurred; either the application has provided invalid input, or an implementation failure has occurred. (VK_ERROR_UNKNOWN)"; #endif #if VK_HEADER_VERSION >= 135 #if VK_HEADER_VERSION < 162 case VK_ERROR_INCOMPATIBLE_VERSION_KHR: return "This error was removed by the Vulkan gods. (VK_ERROR_INCOMPATIBLE_VERSION_KHR)"; #endif case VK_THREAD_IDLE_KHR: return "A deferred operation is not complete but there is currently no work for this thread to do at the time of this call. (VK_THREAD_IDLE_KHR)"; case VK_THREAD_DONE_KHR: return "A deferred operation is not complete but there is no work remaining to assign to additional threads. (VK_THREAD_DONE_KHR)"; case VK_OPERATION_DEFERRED_KHR: return "A deferred operation was requested and at least some of the work was deferred. (VK_OPERATION_DEFERRED_KHR)"; case VK_OPERATION_NOT_DEFERRED_KHR: return "A deferred operation was requested and no operations were deferred. (VK_OPERATION_NOT_DEFERRED_KHR)"; case VK_ERROR_PIPELINE_COMPILE_REQUIRED_EXT: return "A requested pipeline creation would have required compilation, but the application requested compilation to not be performed. (VK_ERROR_PIPELINE_COMPILE_REQUIRED_EXT)"; #endif #if VK_HEADER_VERSION >= 213 case VK_ERROR_COMPRESSION_EXHAUSTED_EXT: return "An image creation failed because internal resources required for compression are exhausted. (VK_ERROR_COMPRESSION_EXHAUSTED_EXT)"; #endif #if VK_HEADER_VERSION < 140 case VK_RESULT_RANGE_SIZE: #endif #if VK_HEADER_VERSION >= 238 case VK_ERROR_IMAGE_USAGE_NOT_SUPPORTED_KHR: return "The requested VkImageUsageFlags are not supported. (VK_ERROR_IMAGE_USAGE_NOT_SUPPORTED_KHR)"; case VK_ERROR_VIDEO_PICTURE_LAYOUT_NOT_SUPPORTED_KHR: return "The requested video picture layout is not supported. (VK_ERROR_VIDEO_PICTURE_LAYOUT_NOT_SUPPORTED_KHR)"; case VK_ERROR_VIDEO_PROFILE_OPERATION_NOT_SUPPORTED_KHR: return "A video profile operation specified via VkVideoProfileInfoKHR::videoCodecOperation is not supported. (VK_ERROR_VIDEO_PROFILE_OPERATION_NOT_SUPPORTED_KHR)"; case VK_ERROR_VIDEO_PROFILE_FORMAT_NOT_SUPPORTED_KHR: return "Format parameters in a requested VkVideoProfileInfoKHR chain are not supported. (VK_ERROR_VIDEO_PROFILE_FORMAT_NOT_SUPPORTED_KHR)"; case VK_ERROR_VIDEO_PROFILE_CODEC_NOT_SUPPORTED_KHR: return "Codec-specific parameters in a requested (VK_ERROR_VIDEO_PROFILE_CODEC_NOT_SUPPORTED_KHR)"; case VK_ERROR_VIDEO_STD_VERSION_NOT_SUPPORTED_KHR: return "The specified video Std header version is not supported. (VK_ERROR_VIDEO_STD_VERSION_NOT_SUPPORTED_KHR)"; #endif #if VK_HEADER_VERSION >= 246 case VK_ERROR_INCOMPATIBLE_SHADER_BINARY_EXT: return "The provided binary shader code is not compatible with this device. (VK_ERROR_INCOMPATIBLE_SHADER_BINARY_EXT)"; #endif case VK_RESULT_MAX_ENUM: default: return "Unknown Vulkan error."; } } static const char * surface_present_mode_to_string (VkPresentModeKHR present_mode) { switch (present_mode) { case VK_PRESENT_MODE_MAILBOX_KHR: return "VK_PRESENT_MODE_MAILBOX_KHR"; case VK_PRESENT_MODE_IMMEDIATE_KHR: return "VK_PRESENT_MODE_IMMEDIATE_KHR"; case VK_PRESENT_MODE_FIFO_KHR: return "VK_PRESENT_MODE_FIFO_KHR"; case VK_PRESENT_MODE_FIFO_RELAXED_KHR: return "VK_PRESENT_MODE_FIFO_RELAXED_KHR"; case VK_PRESENT_MODE_SHARED_DEMAND_REFRESH_KHR: case VK_PRESENT_MODE_SHARED_CONTINUOUS_REFRESH_KHR: case VK_PRESENT_MODE_MAX_ENUM_KHR: default: return "(invalid)"; } return "(unknown)"; } static const VkPresentModeKHR preferred_present_modes[] = { VK_PRESENT_MODE_MAILBOX_KHR, VK_PRESENT_MODE_IMMEDIATE_KHR, }; static VkPresentModeKHR find_best_surface_present_mode (GdkVulkanContext *context) { GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context); VkPresentModeKHR *available_present_modes; uint32_t n_present_modes; VkResult res; res = GDK_VK_CHECK (vkGetPhysicalDeviceSurfacePresentModesKHR, gdk_vulkan_context_get_physical_device (context), priv->surface, &n_present_modes, NULL); if (res != VK_SUCCESS) goto fallback_present_mode; available_present_modes = g_alloca (sizeof (VkPresentModeKHR) * n_present_modes); res = GDK_VK_CHECK (vkGetPhysicalDeviceSurfacePresentModesKHR, gdk_vulkan_context_get_physical_device (context), priv->surface, &n_present_modes, available_present_modes); if (res != VK_SUCCESS) goto fallback_present_mode; for (uint32_t i = 0; i < G_N_ELEMENTS (preferred_present_modes); i++) { for (uint32_t j = 0; j < n_present_modes; j++) { if (preferred_present_modes[i] == available_present_modes[j]) return available_present_modes[j]; } } fallback_present_mode: return VK_PRESENT_MODE_FIFO_KHR; } static void gdk_vulkan_context_dispose (GObject *gobject) { GdkVulkanContext *context = GDK_VULKAN_CONTEXT (gobject); GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context); GdkDisplay *display; VkDevice device; guint i; for (i = 0; i < priv->n_images; i++) { cairo_region_destroy (priv->regions[i]); } g_clear_pointer (&priv->regions, g_free); g_clear_pointer (&priv->images, g_free); priv->n_images = 0; device = gdk_vulkan_context_get_device (context); if (priv->draw_semaphore != VK_NULL_HANDLE) { vkDestroySemaphore (device, priv->draw_semaphore, NULL); priv->draw_semaphore = VK_NULL_HANDLE; } if (priv->swapchain != VK_NULL_HANDLE) { vkDestroySwapchainKHR (device, priv->swapchain, NULL); priv->swapchain = VK_NULL_HANDLE; } if (priv->surface != VK_NULL_HANDLE) { vkDestroySurfaceKHR (gdk_vulkan_context_get_instance (context), priv->surface, NULL); priv->surface = VK_NULL_HANDLE; } /* display will be unset in gdk_draw_context_dispose() */ display = gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context)); if (display && priv->vulkan_ref) gdk_display_unref_vulkan (display); G_OBJECT_CLASS (gdk_vulkan_context_parent_class)->dispose (gobject); } static gboolean gdk_vulkan_context_check_swapchain (GdkVulkanContext *context, GError **error) { GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context); GdkSurface *surface = gdk_draw_context_get_surface (GDK_DRAW_CONTEXT (context)); VkSurfaceCapabilitiesKHR capabilities; VkCompositeAlphaFlagBitsKHR composite_alpha; VkPresentModeKHR present_mode; VkSwapchainKHR new_swapchain; VkResult res; VkDevice device; guint i; device = gdk_vulkan_context_get_device (context); /* * Wait for device to be idle because this function is also called in window resizes. * And if we destroy old swapchain it also destroy the old VkImages, those images could * be in use by a vulkan render. */ vkDeviceWaitIdle (device); res = GDK_VK_CHECK (vkGetPhysicalDeviceSurfaceCapabilitiesKHR, gdk_vulkan_context_get_physical_device (context), priv->surface, &capabilities); if (res != VK_SUCCESS) { g_set_error (error, GDK_VULKAN_ERROR, GDK_VULKAN_ERROR_NOT_AVAILABLE, "Could not query surface capabilities: %s", gdk_vulkan_strerror (res)); return FALSE; } if (capabilities.supportedCompositeAlpha & VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR) composite_alpha = VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR; else if (capabilities.supportedCompositeAlpha & VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR) { /* let's hope the backend knows what it's doing */ composite_alpha = VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR; } else { GDK_DISPLAY_DEBUG (gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context)), VULKAN, "Vulkan swapchain doesn't do transparency. Using opaque swapchain instead."); composite_alpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR; } present_mode = find_best_surface_present_mode (context); GDK_DEBUG (VULKAN, "Using surface present mode %s", surface_present_mode_to_string (present_mode)); /* * Per https://www.khronos.org/registry/vulkan/specs/1.0-wsi_extensions/xhtml/vkspec.html#VkSurfaceCapabilitiesKHR * the current extent may assume a special value, meaning that the extent should assume whatever * value the surface has. */ if (capabilities.currentExtent.width == -1 || capabilities.currentExtent.height == -1) { double scale = gdk_surface_get_scale (surface); capabilities.currentExtent.width = MAX (1, (int) ceil (gdk_surface_get_width (surface) * scale)); capabilities.currentExtent.height = MAX (1, (int) ceil (gdk_surface_get_height (surface) * scale)); } res = GDK_VK_CHECK (vkCreateSwapchainKHR, device, &(VkSwapchainCreateInfoKHR) { .sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR, .pNext = NULL, .flags = 0, .surface = priv->surface, .minImageCount = CLAMP (4, capabilities.minImageCount, capabilities.maxImageCount ? capabilities.maxImageCount : G_MAXUINT32), .imageFormat = priv->formats[priv->current_format].vk_format.format, .imageColorSpace = priv->formats[priv->current_format].vk_format.colorSpace, .imageExtent = capabilities.currentExtent, .imageArrayLayers = 1, .imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT, .imageSharingMode = VK_SHARING_MODE_EXCLUSIVE, .queueFamilyIndexCount = 1, .pQueueFamilyIndices = (uint32_t[1]) { gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context))->vk_queue_family_index }, .preTransform = capabilities.currentTransform, .compositeAlpha = composite_alpha, .presentMode = present_mode, .clipped = VK_FALSE, .oldSwapchain = priv->swapchain }, NULL, &new_swapchain); if (priv->swapchain != VK_NULL_HANDLE) { vkDestroySwapchainKHR (device, priv->swapchain, NULL); for (i = 0; i < priv->n_images; i++) { cairo_region_destroy (priv->regions[i]); } g_clear_pointer (&priv->regions, g_free); g_clear_pointer (&priv->images, g_free); priv->n_images = 0; } if (res == VK_SUCCESS) { priv->swapchain = new_swapchain; GDK_VK_CHECK (vkGetSwapchainImagesKHR, device, priv->swapchain, &priv->n_images, NULL); priv->images = g_new (VkImage, priv->n_images); GDK_VK_CHECK (vkGetSwapchainImagesKHR, device, priv->swapchain, &priv->n_images, priv->images); priv->regions = g_new (cairo_region_t *, priv->n_images); for (i = 0; i < priv->n_images; i++) { priv->regions[i] = cairo_region_create_rectangle (&(cairo_rectangle_int_t) { 0, 0, gdk_surface_get_width (surface), gdk_surface_get_height (surface), }); } } else { g_set_error (error, GDK_VULKAN_ERROR, GDK_VULKAN_ERROR_NOT_AVAILABLE, "Could not create swapchain for this surface: %s", gdk_vulkan_strerror (res)); priv->swapchain = VK_NULL_HANDLE; return FALSE; } g_signal_emit (context, signals[IMAGES_UPDATED], 0); return res == VK_SUCCESS; } static gboolean physical_device_supports_extension (VkPhysicalDevice device, const char *extension_name) { VkExtensionProperties *extensions; uint32_t n_device_extensions; GDK_VK_CHECK (vkEnumerateDeviceExtensionProperties, device, NULL, &n_device_extensions, NULL); extensions = g_newa (VkExtensionProperties, n_device_extensions); GDK_VK_CHECK (vkEnumerateDeviceExtensionProperties, device, NULL, &n_device_extensions, extensions); for (uint32_t i = 0; i < n_device_extensions; i++) { if (g_str_equal (extensions[i].extensionName, extension_name)) return TRUE; } return FALSE; } static void gdk_vulkan_context_begin_frame (GdkDrawContext *draw_context, GdkMemoryDepth depth, cairo_region_t *region) { GdkVulkanContext *context = GDK_VULKAN_CONTEXT (draw_context); GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context); guint i; if (depth != priv->current_format) { if (priv->formats[depth].gdk_format != priv->formats[priv->current_format].gdk_format) { GError *error = NULL; if (!gdk_vulkan_context_check_swapchain (context, &error)) { g_warning ("%s", error->message); g_error_free (error); return; } } priv->current_format = depth; } for (i = 0; i < priv->n_images; i++) { cairo_region_union (priv->regions[i], region); } GDK_VK_CHECK (vkAcquireNextImageKHR, gdk_vulkan_context_get_device (context), priv->swapchain, UINT64_MAX, priv->draw_semaphore, VK_NULL_HANDLE, &priv->draw_index); cairo_region_union (region, priv->regions[priv->draw_index]); } static void gdk_vulkan_context_end_frame (GdkDrawContext *draw_context, cairo_region_t *painted) { GdkVulkanContext *context = GDK_VULKAN_CONTEXT (draw_context); GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context); GdkSurface *surface = gdk_draw_context_get_surface (draw_context); VkPresentRegionsKHR *regionsptr = VK_NULL_HANDLE; VkPresentRegionsKHR regions; VkRectLayerKHR *rectangles; double scale; int n_regions; scale = gdk_surface_get_scale (surface); n_regions = cairo_region_num_rectangles (painted); rectangles = g_alloca (sizeof (VkRectLayerKHR) * n_regions); for (int i = 0; i < n_regions; i++) { cairo_rectangle_int_t r; cairo_region_get_rectangle (painted, i, &r); rectangles[i] = (VkRectLayerKHR) { .layer = 0, .offset.x = (int) floor (r.x * scale), .offset.y = (int) floor (r.y * scale), .extent.width = (int) ceil (r.width * scale), .extent.height = (int) ceil (r.height * scale), }; } regions = (VkPresentRegionsKHR) { .sType = VK_STRUCTURE_TYPE_PRESENT_REGIONS_KHR, .swapchainCount = 1, .pRegions = &(VkPresentRegionKHR) { .rectangleCount = n_regions, .pRectangles = rectangles, }, }; if (priv->has_present_region) regionsptr = ®ions; GDK_VK_CHECK (vkQueuePresentKHR, gdk_vulkan_context_get_queue (context), &(VkPresentInfoKHR) { .sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR, .waitSemaphoreCount = 1, .pWaitSemaphores = (VkSemaphore[]) { priv->draw_semaphore }, .swapchainCount = 1, .pSwapchains = (VkSwapchainKHR[]) { priv->swapchain }, .pImageIndices = (uint32_t[]) { priv->draw_index }, .pNext = regionsptr, }); cairo_region_destroy (priv->regions[priv->draw_index]); priv->regions[priv->draw_index] = cairo_region_create (); } static void gdk_vulkan_context_surface_resized (GdkDrawContext *draw_context) { GdkVulkanContext *context = GDK_VULKAN_CONTEXT (draw_context); GError *error = NULL; if (!gdk_vulkan_context_check_swapchain (context, &error)) { g_warning ("%s", error->message); g_error_free (error); return; } } static void gdk_vulkan_context_class_init (GdkVulkanContextClass *klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GdkDrawContextClass *draw_context_class = GDK_DRAW_CONTEXT_CLASS (klass); gobject_class->dispose = gdk_vulkan_context_dispose; draw_context_class->begin_frame = gdk_vulkan_context_begin_frame; draw_context_class->end_frame = gdk_vulkan_context_end_frame; draw_context_class->surface_resized = gdk_vulkan_context_surface_resized; /** * GdkVulkanContext::images-updated: * @context: the object on which the signal is emitted * * Emitted when the images managed by this context have changed. * * Usually this means that the swapchain had to be recreated, * for example in response to a change of the surface size. */ signals[IMAGES_UPDATED] = g_signal_new (g_intern_static_string ("images-updated"), G_OBJECT_CLASS_TYPE (gobject_class), G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0); } static void gdk_vulkan_context_init (GdkVulkanContext *self) { } static gboolean gdk_vulkan_context_real_init (GInitable *initable, GCancellable *cancellable, GError **error) { GdkVulkanContext *context = GDK_VULKAN_CONTEXT (initable); GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context); GdkDisplay *display = gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context)); GdkSurface *surface = gdk_draw_context_get_surface (GDK_DRAW_CONTEXT (context)); VkResult res; VkBool32 supported; uint32_t i; priv->vulkan_ref = gdk_display_ref_vulkan (display, error); if (!priv->vulkan_ref) return FALSE; priv->offscreen_formats[GDK_MEMORY_U8] = GDK_MEMORY_B8G8R8A8_PREMULTIPLIED; priv->offscreen_formats[GDK_MEMORY_U16] = GDK_MEMORY_R16G16B16A16_PREMULTIPLIED; priv->offscreen_formats[GDK_MEMORY_FLOAT16] = GDK_MEMORY_R16G16B16A16_FLOAT_PREMULTIPLIED; priv->offscreen_formats[GDK_MEMORY_FLOAT32] = GDK_MEMORY_R32G32B32A32_FLOAT_PREMULTIPLIED; if (surface == NULL) { for (i = 0; i < G_N_ELEMENTS (priv->formats); i++) { priv->formats[i].vk_format.format = VK_FORMAT_B8G8R8A8_UNORM; priv->formats[i].vk_format.colorSpace = VK_COLOR_SPACE_SRGB_NONLINEAR_KHR; priv->formats[i].gdk_format = GDK_MEMORY_B8G8R8A8_PREMULTIPLIED; } return TRUE; } res = GDK_VULKAN_CONTEXT_GET_CLASS (context)->create_surface (context, &priv->surface); if (res != VK_SUCCESS) { g_set_error (error, GDK_VULKAN_ERROR, GDK_VULKAN_ERROR_NOT_AVAILABLE, "Could not create surface for this surface: %s", gdk_vulkan_strerror (res)); return FALSE; } res = GDK_VK_CHECK (vkGetPhysicalDeviceSurfaceSupportKHR, gdk_vulkan_context_get_physical_device (context), gdk_vulkan_context_get_queue_family_index (context), priv->surface, &supported); if (res != VK_SUCCESS) { g_set_error (error, GDK_VULKAN_ERROR, GDK_VULKAN_ERROR_NOT_AVAILABLE, "Could not check if queue family supports this surface: %s", gdk_vulkan_strerror (res)); } else if (!supported) { g_set_error (error, GDK_VULKAN_ERROR, GDK_VULKAN_ERROR_NOT_AVAILABLE, "FIXME: Queue family does not support surface. Write code to try different queue family."); } else { uint32_t n_formats; GDK_VK_CHECK (vkGetPhysicalDeviceSurfaceFormatsKHR, gdk_vulkan_context_get_physical_device (context), priv->surface, &n_formats, NULL); VkSurfaceFormatKHR *formats = g_newa (VkSurfaceFormatKHR, n_formats); GDK_VK_CHECK (vkGetPhysicalDeviceSurfaceFormatsKHR, gdk_vulkan_context_get_physical_device (context), priv->surface, &n_formats, formats); for (i = 0; i < n_formats; i++) { if (formats[i].colorSpace != VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) continue; switch ((int) formats[i].format) { case VK_FORMAT_B8G8R8A8_UNORM: if (priv->formats[GDK_MEMORY_U8].vk_format.format == VK_FORMAT_UNDEFINED) { priv->formats[GDK_MEMORY_U8].vk_format = formats[i]; priv->formats[GDK_MEMORY_U8].gdk_format = GDK_MEMORY_B8G8R8A8_PREMULTIPLIED; priv->offscreen_formats[GDK_MEMORY_U8] = GDK_MEMORY_B8G8R8A8_PREMULTIPLIED; }; break; case VK_FORMAT_R8G8B8A8_UNORM: if (priv->formats[GDK_MEMORY_U8].vk_format.format == VK_FORMAT_UNDEFINED) { priv->formats[GDK_MEMORY_U8].vk_format = formats[i]; priv->formats[GDK_MEMORY_U8].gdk_format = GDK_MEMORY_R8G8B8A8_PREMULTIPLIED; } break; case VK_FORMAT_R16G16B16A16_UNORM: priv->formats[GDK_MEMORY_U16].vk_format = formats[i]; priv->formats[GDK_MEMORY_U16].gdk_format = GDK_MEMORY_R16G16B16A16_PREMULTIPLIED; break; case VK_FORMAT_R16G16B16A16_SFLOAT: priv->formats[GDK_MEMORY_FLOAT16].vk_format = formats[i]; priv->formats[GDK_MEMORY_FLOAT16].gdk_format = GDK_MEMORY_R16G16B16A16_FLOAT_PREMULTIPLIED; break; case VK_FORMAT_R32G32B32A32_SFLOAT: priv->formats[GDK_MEMORY_FLOAT32].vk_format = formats[i]; priv->formats[GDK_MEMORY_FLOAT32].gdk_format = GDK_MEMORY_R32G32B32A32_FLOAT_PREMULTIPLIED; break; default: break; } } if (priv->formats[GDK_MEMORY_U8].vk_format.format == VK_FORMAT_UNDEFINED) { g_set_error_literal (error, GDK_VULKAN_ERROR, GDK_VULKAN_ERROR_NOT_AVAILABLE, "No supported image format found."); goto out_surface; } /* Ensure all the formats exist: * - If a format was found, keep that one. * - FLOAT32 chooses the best format we have. * - FLOAT16 and U16 pick the format FLOAT32 uses */ if (priv->formats[GDK_MEMORY_FLOAT32].vk_format.format == VK_FORMAT_UNDEFINED) { if (priv->formats[GDK_MEMORY_FLOAT16].vk_format.format != VK_FORMAT_UNDEFINED) priv->formats[GDK_MEMORY_FLOAT32] = priv->formats[GDK_MEMORY_FLOAT16]; else if (priv->formats[GDK_MEMORY_U16].vk_format.format != VK_FORMAT_UNDEFINED) priv->formats[GDK_MEMORY_FLOAT32] = priv->formats[GDK_MEMORY_U16]; else priv->formats[GDK_MEMORY_FLOAT32] = priv->formats[GDK_MEMORY_U8]; } if (priv->formats[GDK_MEMORY_FLOAT16].vk_format.format == VK_FORMAT_UNDEFINED) priv->formats[GDK_MEMORY_FLOAT16] = priv->formats[GDK_MEMORY_FLOAT32]; if (priv->formats[GDK_MEMORY_U16].vk_format.format == VK_FORMAT_UNDEFINED) priv->formats[GDK_MEMORY_U16] = priv->formats[GDK_MEMORY_FLOAT32]; priv->has_present_region = physical_device_supports_extension (display->vk_physical_device, VK_KHR_INCREMENTAL_PRESENT_EXTENSION_NAME); if (!gdk_vulkan_context_check_swapchain (context, error)) goto out_surface; GDK_VK_CHECK (vkCreateSemaphore, gdk_vulkan_context_get_device (context), &(VkSemaphoreCreateInfo) { .sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO, }, NULL, &priv->draw_semaphore); return TRUE; } out_surface: vkDestroySurfaceKHR (gdk_vulkan_context_get_instance (context), priv->surface, NULL); priv->surface = VK_NULL_HANDLE; return FALSE; } GdkMemoryFormat gdk_vulkan_context_get_offscreen_format (GdkVulkanContext *context, GdkMemoryDepth depth) { GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context); return priv->offscreen_formats[depth]; } static void gdk_vulkan_context_initable_init (GInitableIface *iface) { iface->init = gdk_vulkan_context_real_init; } /** * gdk_vulkan_context_get_instance: * @context: a `GdkVulkanContext` * * Gets the Vulkan instance that is associated with @context. * * Returns: (transfer none): the VkInstance */ VkInstance gdk_vulkan_context_get_instance (GdkVulkanContext *context) { g_return_val_if_fail (GDK_IS_VULKAN_CONTEXT (context), NULL); return gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context))->vk_instance; } /** * gdk_vulkan_context_get_physical_device: * @context: a `GdkVulkanContext` * * Gets the Vulkan physical device that this context is using. * * Returns: (transfer none): the VkPhysicalDevice */ VkPhysicalDevice gdk_vulkan_context_get_physical_device (GdkVulkanContext *context) { g_return_val_if_fail (GDK_IS_VULKAN_CONTEXT (context), NULL); return gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context))->vk_physical_device; } /** * gdk_vulkan_context_get_device: * @context: a `GdkVulkanContext` * * Gets the Vulkan device that this context is using. * * Returns: (transfer none): the VkDevice */ VkDevice gdk_vulkan_context_get_device (GdkVulkanContext *context) { g_return_val_if_fail (GDK_IS_VULKAN_CONTEXT (context), NULL); return gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context))->vk_device; } /** * gdk_vulkan_context_get_queue: * @context: a `GdkVulkanContext` * * Gets the Vulkan queue that this context is using. * * Returns: (transfer none): the VkQueue */ VkQueue gdk_vulkan_context_get_queue (GdkVulkanContext *context) { g_return_val_if_fail (GDK_IS_VULKAN_CONTEXT (context), NULL); return gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context))->vk_queue; } /** * gdk_vulkan_context_get_queue_family_index: * @context: a `GdkVulkanContext` * * Gets the family index for the queue that this context is using. * * See vkGetPhysicalDeviceQueueFamilyProperties(). * * Returns: the index */ uint32_t gdk_vulkan_context_get_queue_family_index (GdkVulkanContext *context) { g_return_val_if_fail (GDK_IS_VULKAN_CONTEXT (context), 0); return gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context))->vk_queue_family_index; } static char * gdk_vulkan_get_pipeline_cache_dirname (void) { return g_build_filename (g_get_user_cache_dir (), "gtk-4.0", "vulkan-pipeline-cache", NULL); } static GFile * gdk_vulkan_get_pipeline_cache_file (GdkDisplay *display) { VkPhysicalDeviceProperties props; char *dirname, *basename, *path; GFile *result; vkGetPhysicalDeviceProperties (display->vk_physical_device, &props); dirname = gdk_vulkan_get_pipeline_cache_dirname (); basename = g_strdup_printf ("%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x" "-%02x%02x%02x%02x%02x%02x.%u", props.pipelineCacheUUID[0], props.pipelineCacheUUID[1], props.pipelineCacheUUID[2], props.pipelineCacheUUID[3], props.pipelineCacheUUID[4], props.pipelineCacheUUID[5], props.pipelineCacheUUID[6], props.pipelineCacheUUID[7], props.pipelineCacheUUID[8], props.pipelineCacheUUID[9], props.pipelineCacheUUID[10], props.pipelineCacheUUID[11], props.pipelineCacheUUID[12], props.pipelineCacheUUID[13], props.pipelineCacheUUID[14], props.pipelineCacheUUID[15], props.driverVersion); path = g_build_filename (dirname, basename, NULL); result = g_file_new_for_path (path); g_free (path); g_free (basename); g_free (dirname); return result; } static VkPipelineCache gdk_display_load_pipeline_cache (GdkDisplay *display) { GError *error = NULL; VkPipelineCache result; GFile *cache_file; char *etag, *data; gsize size; cache_file = gdk_vulkan_get_pipeline_cache_file (display); if (!g_file_load_contents (cache_file, NULL, &data, &size, &etag, &error)) { GDK_DEBUG (VULKAN, "failed to load Vulkan pipeline cache file '%s': %s\n", g_file_peek_path (cache_file), error->message); g_object_unref (cache_file); g_clear_error (&error); return VK_NULL_HANDLE; } if (GDK_VK_CHECK (vkCreatePipelineCache, display->vk_device, &(VkPipelineCacheCreateInfo) { .sType = VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO, .initialDataSize = size, .pInitialData = data, }, NULL, &result) != VK_SUCCESS) result = VK_NULL_HANDLE; g_object_unref (cache_file); g_free (data); g_free (display->vk_pipeline_cache_etag); display->vk_pipeline_cache_etag = etag; display->vk_pipeline_cache_size = size; return result; } static gboolean gdk_vulkan_save_pipeline_cache (GdkDisplay *display) { GError *error = NULL; VkDevice device; VkPipelineCache cache; GFile *file; char *path; size_t size; char *data, *etag; device = display->vk_device; cache = display->vk_pipeline_cache; GDK_VK_CHECK (vkGetPipelineCacheData, device, cache, &size, NULL); if (size == 0) return TRUE; if (size == display->vk_pipeline_cache_size) { GDK_DEBUG (VULKAN, "pipeline cache size (%zu bytes) unchanged, skipping save", size); return TRUE; } data = g_malloc (size); if (GDK_VK_CHECK (vkGetPipelineCacheData, device, cache, &size, data) != VK_SUCCESS) { g_free (data); return FALSE; } path = gdk_vulkan_get_pipeline_cache_dirname (); if (g_mkdir_with_parents (path, 0755) != 0) { g_warning_once ("Failed to create pipeline cache directory"); g_free (path); g_free (data); return FALSE; } g_free (path); file = gdk_vulkan_get_pipeline_cache_file (display); GDK_DEBUG (VULKAN, "Saving pipeline cache to %s", g_file_peek_path (file)); if (!g_file_replace_contents (file, data, size, display->vk_pipeline_cache_etag, FALSE, 0, &etag, NULL, &error)) { if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_WRONG_ETAG)) { VkPipelineCache new_cache; GDK_DEBUG (VULKAN, "Pipeline cache file modified, merging into current"); new_cache = gdk_display_load_pipeline_cache (display); if (new_cache) { GDK_VK_CHECK (vkMergePipelineCaches, device, cache, 1, &new_cache); vkDestroyPipelineCache (device, new_cache, NULL); } else { g_clear_pointer (&display->vk_pipeline_cache_etag, g_free); } g_clear_error (&error); g_object_unref (file); g_free (data); /* try again */ return gdk_vulkan_save_pipeline_cache (display); } g_warning ("Failed to save pipeline cache: %s", error->message); g_clear_error (&error); g_object_unref (file); g_free (data); return FALSE; } g_object_unref (file); g_free (data); g_free (display->vk_pipeline_cache_etag); display->vk_pipeline_cache_etag = etag; return TRUE; } static gboolean gdk_vulkan_save_pipeline_cache_cb (gpointer data) { GdkDisplay *display = data; gdk_vulkan_save_pipeline_cache (display); display->vk_save_pipeline_cache_source = 0; return G_SOURCE_REMOVE; } void gdk_vulkan_context_pipeline_cache_updated (GdkVulkanContext *self) { GdkDisplay *display = gdk_draw_context_get_display (GDK_DRAW_CONTEXT (self)); g_clear_handle_id (&display->vk_save_pipeline_cache_source, g_source_remove); display->vk_save_pipeline_cache_source = g_timeout_add_seconds_full (G_PRIORITY_DEFAULT_IDLE - 10, 10, /* random choice that is not now */ gdk_vulkan_save_pipeline_cache_cb, display, NULL); } static void gdk_display_create_pipeline_cache (GdkDisplay *display) { display->vk_pipeline_cache = gdk_display_load_pipeline_cache (display); if (display->vk_pipeline_cache == VK_NULL_HANDLE) { GDK_VK_CHECK (vkCreatePipelineCache, display->vk_device, &(VkPipelineCacheCreateInfo) { .sType = VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO, }, NULL, &display->vk_pipeline_cache); } } VkPipelineCache gdk_vulkan_context_get_pipeline_cache (GdkVulkanContext *self) { g_return_val_if_fail (GDK_IS_VULKAN_CONTEXT (self), NULL); return gdk_draw_context_get_display (GDK_DRAW_CONTEXT (self))->vk_pipeline_cache; } /** * gdk_vulkan_context_get_image_format: * @context: a `GdkVulkanContext` * * Gets the image format that this context is using. * * Returns: (transfer none): the VkFormat */ VkFormat gdk_vulkan_context_get_image_format (GdkVulkanContext *context) { GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context); g_return_val_if_fail (GDK_IS_VULKAN_CONTEXT (context), VK_FORMAT_UNDEFINED); return priv->formats[priv->current_format].vk_format.format; } /** * gdk_vulkan_context_get_n_images: * @context: a `GdkVulkanContext` * * Gets the number of images that this context is using in its swap chain. * * Returns: the number of images */ uint32_t gdk_vulkan_context_get_n_images (GdkVulkanContext *context) { GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context); g_return_val_if_fail (GDK_IS_VULKAN_CONTEXT (context), 0); return priv->n_images; } /** * gdk_vulkan_context_get_image: * @context: a `GdkVulkanContext` * @id: the index of the image to return * * Gets the image with index @id that this context is using. * * Returns: (transfer none): the VkImage */ VkImage gdk_vulkan_context_get_image (GdkVulkanContext *context, guint id) { GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context); g_return_val_if_fail (GDK_IS_VULKAN_CONTEXT (context), VK_NULL_HANDLE); g_return_val_if_fail (id < priv->n_images, VK_NULL_HANDLE); return priv->images[id]; } /** * gdk_vulkan_context_get_draw_index: * @context: a `GdkVulkanContext` * * Gets the index of the image that is currently being drawn. * * This function can only be used between [method@Gdk.DrawContext.begin_frame] * and [method@Gdk.DrawContext.end_frame] calls. * * Returns: the index of the images that is being drawn */ uint32_t gdk_vulkan_context_get_draw_index (GdkVulkanContext *context) { GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context); g_return_val_if_fail (GDK_IS_VULKAN_CONTEXT (context), 0); g_return_val_if_fail (gdk_draw_context_is_in_frame (GDK_DRAW_CONTEXT (context)), 0); return priv->draw_index; } /** * gdk_vulkan_context_get_draw_semaphore: * @context: a `GdkVulkanContext` * * Gets the Vulkan semaphore that protects access to the image that is * currently being drawn. * * This function can only be used between [method@Gdk.DrawContext.begin_frame] * and [method@Gdk.DrawContext.end_frame] calls. * * Returns: (transfer none): the VkSemaphore */ VkSemaphore gdk_vulkan_context_get_draw_semaphore (GdkVulkanContext *context) { GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context); g_return_val_if_fail (GDK_IS_VULKAN_CONTEXT (context), VK_NULL_HANDLE); g_return_val_if_fail (gdk_draw_context_is_in_frame (GDK_DRAW_CONTEXT (context)), VK_NULL_HANDLE); return priv->draw_semaphore; } static gboolean gdk_display_create_vulkan_device (GdkDisplay *display, GError **error) { uint32_t i, j, k; const char *override; gboolean list_devices; int first, last; uint32_t n_devices = 0; GDK_VK_CHECK(vkEnumeratePhysicalDevices, display->vk_instance, &n_devices, NULL); VkPhysicalDevice *devices; if (n_devices == 0) { /* Give a different error for 0 devices so people know their drivers suck. */ g_set_error_literal (error, GDK_VULKAN_ERROR, GDK_VULKAN_ERROR_NOT_AVAILABLE, "No Vulkan devices available."); return FALSE; } devices = g_newa (VkPhysicalDevice, n_devices); GDK_VK_CHECK(vkEnumeratePhysicalDevices, display->vk_instance, &n_devices, devices); first = 0; last = n_devices; override = g_getenv ("GDK_VULKAN_DEVICE"); list_devices = FALSE; if (override) { if (g_strcmp0 (override, "list") == 0) list_devices = TRUE; else { gint64 device_idx; GError *error2 = NULL; if (!g_ascii_string_to_signed (override, 10, 0, G_MAXINT, &device_idx, &error2)) { g_warning ("Failed to parse %s: %s", "GDK_VULKAN_DEVICE", error2->message); g_error_free (error2); device_idx = -1; } if (device_idx < 0 || device_idx >= n_devices) g_warning ("%s value out of range, ignoring", "GDK_VULKAN_DEVICE"); else { first = device_idx; last = first + 1; } } } if (list_devices || GDK_DISPLAY_DEBUG_CHECK (display, VULKAN)) { for (i = 0; i < n_devices; i++) { VkPhysicalDeviceProperties props; VkQueueFamilyProperties *queue_props; uint32_t n_queue_props; const char *device_type[] = { "Other", "Integrated GPU", "Discrete GPU", "Virtual GPU", "CPU" }; struct { int bit; const char *name; } queue_caps[] = { { VK_QUEUE_GRAPHICS_BIT, "graphics" }, { VK_QUEUE_COMPUTE_BIT, "compute" }, { VK_QUEUE_TRANSFER_BIT, "transfer" }, { VK_QUEUE_SPARSE_BINDING_BIT, "sparse binding" } }; vkGetPhysicalDeviceProperties (devices[i], &props); vkGetPhysicalDeviceQueueFamilyProperties (devices[i], &n_queue_props, NULL); queue_props = g_newa (VkQueueFamilyProperties, n_queue_props); vkGetPhysicalDeviceQueueFamilyProperties (devices[i], &n_queue_props, queue_props); g_print ("Vulkan Device %u:\n", i); g_print (" %s (%s)\n", props.deviceName, device_type[props.deviceType]); g_print (" Vendor ID: 0x%Xu\n", props.vendorID); g_print (" Device ID: 0x%Xu\n", props.deviceID); g_print (" API version %u.%u.%u\n", VK_VERSION_MAJOR (props.apiVersion), VK_VERSION_MINOR (props.apiVersion), VK_VERSION_PATCH (props.apiVersion)); for (j = 0; j < n_queue_props; j++) { const char *sep = ""; g_print (" Queue %d: ", j); for (k = 0; k < G_N_ELEMENTS (queue_caps); k++) { if (queue_props[j].queueFlags & queue_caps[k].bit) { g_print ("%s%s", sep, queue_caps[k].name); sep = "/"; } } g_print ("\n"); } } } for (i = first; i < last; i++) { uint32_t n_queue_props; if (!physical_device_supports_extension (devices[i], VK_EXT_DESCRIPTOR_INDEXING_EXTENSION_NAME)) continue; vkGetPhysicalDeviceQueueFamilyProperties (devices[i], &n_queue_props, NULL); VkQueueFamilyProperties *queue_props = g_newa (VkQueueFamilyProperties, n_queue_props); vkGetPhysicalDeviceQueueFamilyProperties (devices[i], &n_queue_props, queue_props); for (j = 0; j < n_queue_props; j++) { if (queue_props[j].queueFlags & VK_QUEUE_GRAPHICS_BIT) { GPtrArray *device_extensions; gboolean has_incremental_present; has_incremental_present = physical_device_supports_extension (devices[i], VK_KHR_INCREMENTAL_PRESENT_EXTENSION_NAME); device_extensions = g_ptr_array_new (); g_ptr_array_add (device_extensions, (gpointer) VK_KHR_SWAPCHAIN_EXTENSION_NAME); g_ptr_array_add (device_extensions, (gpointer) VK_KHR_MAINTENANCE_3_EXTENSION_NAME); g_ptr_array_add (device_extensions, (gpointer) VK_EXT_DESCRIPTOR_INDEXING_EXTENSION_NAME); if (has_incremental_present) g_ptr_array_add (device_extensions, (gpointer) VK_KHR_INCREMENTAL_PRESENT_EXTENSION_NAME); GDK_DISPLAY_DEBUG (display, VULKAN, "Using Vulkan device %u, queue %u", i, j); if (GDK_VK_CHECK (vkCreateDevice, devices[i], &(VkDeviceCreateInfo) { .sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO, .queueCreateInfoCount = 1, .pQueueCreateInfos = &(VkDeviceQueueCreateInfo) { .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, .queueFamilyIndex = j, .queueCount = 1, .pQueuePriorities = (float []) { 1.0f }, }, .enabledExtensionCount = device_extensions->len, .ppEnabledExtensionNames = (const char * const *) device_extensions->pdata, .pNext = &(VkPhysicalDeviceVulkan12Features) { .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_1_2_FEATURES, .shaderSampledImageArrayNonUniformIndexing = VK_TRUE, .shaderStorageBufferArrayNonUniformIndexing = VK_TRUE, .descriptorIndexing = VK_TRUE, .descriptorBindingPartiallyBound = VK_TRUE, .descriptorBindingVariableDescriptorCount = VK_TRUE, .descriptorBindingSampledImageUpdateAfterBind = VK_TRUE, .descriptorBindingStorageBufferUpdateAfterBind = VK_TRUE, } }, NULL, &display->vk_device) != VK_SUCCESS) { g_ptr_array_unref (device_extensions); continue; } g_ptr_array_unref (device_extensions); display->vk_physical_device = devices[i]; vkGetDeviceQueue(display->vk_device, j, 0, &display->vk_queue); display->vk_queue_family_index = j; return TRUE; } } } g_set_error_literal (error, GDK_VULKAN_ERROR, GDK_VULKAN_ERROR_NOT_AVAILABLE, "Could not find a Vulkan device with the required features."); return FALSE; } static VkBool32 VKAPI_CALL gdk_vulkan_debug_report (VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT objectType, uint64_t object, size_t location, int32_t messageCode, const char* pLayerPrefix, const char* pMessage, void* pUserData) { if (flags & VK_DEBUG_REPORT_ERROR_BIT_EXT) g_critical ("Vulkan: %s: %s", pLayerPrefix, pMessage); else if (flags & VK_DEBUG_REPORT_WARNING_BIT_EXT) g_critical ("Vulkan: %s: %s", pLayerPrefix, pMessage); else if (flags & VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT) g_warning ("Vulkan: %s: %s", pLayerPrefix, pMessage); else if (flags & VK_DEBUG_REPORT_DEBUG_BIT_EXT) g_debug ("Vulkan: %s: %s", pLayerPrefix, pMessage); else g_info ("Vulkan: %s: %s", pLayerPrefix, pMessage); return VK_FALSE; } static gboolean gdk_display_create_vulkan_instance (GdkDisplay *display, GError **error) { uint32_t i; GPtrArray *used_extensions; GPtrArray *used_layers; gboolean validate = FALSE, have_debug_report = FALSE; VkResult res; if (gdk_display_get_debug_flags (display) & GDK_DEBUG_VULKAN_DISABLE) { g_set_error_literal (error, GDK_VULKAN_ERROR, GDK_VULKAN_ERROR_NOT_AVAILABLE, _("Vulkan support disabled via GDK_DEBUG")); return FALSE; } if (GDK_DISPLAY_GET_CLASS (display)->vk_extension_name == NULL) { g_set_error (error, GDK_VULKAN_ERROR, GDK_VULKAN_ERROR_UNSUPPORTED, "The %s backend has no Vulkan support.", G_OBJECT_TYPE_NAME (display)); return FALSE; } uint32_t n_extensions; GDK_VK_CHECK (vkEnumerateInstanceExtensionProperties, NULL, &n_extensions, NULL); VkExtensionProperties *extensions = g_newa (VkExtensionProperties, n_extensions); GDK_VK_CHECK (vkEnumerateInstanceExtensionProperties, NULL, &n_extensions, extensions); used_extensions = g_ptr_array_new (); g_ptr_array_add (used_extensions, (gpointer) VK_KHR_SURFACE_EXTENSION_NAME); g_ptr_array_add (used_extensions, (gpointer) VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME); g_ptr_array_add (used_extensions, (gpointer) GDK_DISPLAY_GET_CLASS (display)->vk_extension_name); for (i = 0; i < n_extensions; i++) { if (GDK_DISPLAY_DEBUG_CHECK (display, VULKAN)) g_print ("Extension available: %s v%u.%u.%u\n", extensions[i].extensionName, VK_VERSION_MAJOR (extensions[i].specVersion), VK_VERSION_MINOR (extensions[i].specVersion), VK_VERSION_PATCH (extensions[i].specVersion)); if (g_str_equal (extensions[i].extensionName, VK_EXT_DEBUG_REPORT_EXTENSION_NAME)) { g_ptr_array_add (used_extensions, (gpointer) VK_EXT_DEBUG_REPORT_EXTENSION_NAME); have_debug_report = TRUE; } } uint32_t n_layers; GDK_VK_CHECK (vkEnumerateInstanceLayerProperties, &n_layers, NULL); VkLayerProperties *layers = g_newa (VkLayerProperties, n_layers); GDK_VK_CHECK (vkEnumerateInstanceLayerProperties, &n_layers, layers); used_layers = g_ptr_array_new (); for (i = 0; i < n_layers; i++) { if (GDK_DISPLAY_DEBUG_CHECK (display, VULKAN)) g_print ("Layer available: %s v%u.%u.%u (%s)\n", layers[i].layerName, VK_VERSION_MAJOR (layers[i].specVersion), VK_VERSION_MINOR (layers[i].specVersion), VK_VERSION_PATCH (layers[i].specVersion), layers[i].description); if (gdk_display_get_debug_flags (display) & GDK_DEBUG_VULKAN_VALIDATE) { const char *validation_layer_names[] = { "VK_LAYER_LUNARG_standard_validation", "VK_LAYER_KHRONOS_validation", NULL, }; if (g_strv_contains (validation_layer_names, layers[i].layerName)) { g_ptr_array_add (used_layers, layers[i].layerName); validate = TRUE; } } } if ((gdk_display_get_debug_flags (display) & GDK_DEBUG_VULKAN_VALIDATE) && !validate) { g_warning ("Vulkan validation layers were requested, but not found. Running without."); } res = GDK_VK_CHECK (vkCreateInstance, &(VkInstanceCreateInfo) { .sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO, .pNext = NULL, .flags = 0, .pApplicationInfo = &(VkApplicationInfo) { .sType = VK_STRUCTURE_TYPE_APPLICATION_INFO, .pNext = NULL, .pApplicationName = g_get_application_name (), .applicationVersion = 0, .pEngineName = "GTK", .engineVersion = VK_MAKE_VERSION (GDK_MAJOR_VERSION, GDK_MINOR_VERSION, GDK_MICRO_VERSION), .apiVersion = VK_API_VERSION_1_2 }, .enabledLayerCount = used_layers->len, .ppEnabledLayerNames = (const char * const *) used_layers->pdata, .enabledExtensionCount = used_extensions->len, .ppEnabledExtensionNames = (const char * const *) used_extensions->pdata, }, NULL, &display->vk_instance); g_ptr_array_free (used_layers, TRUE); g_ptr_array_free (used_extensions, TRUE); if (res != VK_SUCCESS) { g_set_error (error, GDK_VULKAN_ERROR, GDK_VULKAN_ERROR_UNSUPPORTED, "Could not create a Vulkan instance: %s", gdk_vulkan_strerror (res)); return FALSE; } if (have_debug_report) { PFN_vkCreateDebugReportCallbackEXT vkCreateDebugReportCallbackEXT; vkCreateDebugReportCallbackEXT = (PFN_vkCreateDebugReportCallbackEXT) vkGetInstanceProcAddr (display->vk_instance, "vkCreateDebugReportCallbackEXT" ); GDK_VK_CHECK (vkCreateDebugReportCallbackEXT, display->vk_instance, &(VkDebugReportCallbackCreateInfoEXT) { .sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT, .pNext = NULL, .flags = VK_DEBUG_REPORT_INFORMATION_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT | VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT | VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_DEBUG_BIT_EXT, .pfnCallback = gdk_vulkan_debug_report, .pUserData = NULL }, NULL, &display->vk_debug_callback); } if (!gdk_display_create_vulkan_device (display, error)) { if (display->vk_debug_callback != VK_NULL_HANDLE) { PFN_vkDestroyDebugReportCallbackEXT vkDestroyDebugReportCallbackEXT; vkDestroyDebugReportCallbackEXT = (PFN_vkDestroyDebugReportCallbackEXT) vkGetInstanceProcAddr (display->vk_instance, "vkDestroyDebugReportCallbackEXT"); vkDestroyDebugReportCallbackEXT (display->vk_instance, display->vk_debug_callback, NULL); display->vk_debug_callback = VK_NULL_HANDLE; } vkDestroyInstance (display->vk_instance, NULL); display->vk_instance = VK_NULL_HANDLE; return FALSE; } gdk_display_create_pipeline_cache (display); display->vk_shader_modules = g_hash_table_new (g_str_hash, g_str_equal); return TRUE; } gboolean gdk_display_ref_vulkan (GdkDisplay *display, GError **error) { if (display->vulkan_refcount == 0) { if (!gdk_display_create_vulkan_instance (display, error)) return FALSE; } display->vulkan_refcount++; return TRUE; } void gdk_display_unref_vulkan (GdkDisplay *display) { GHashTableIter iter; gpointer key, value; g_return_if_fail (GDK_IS_DISPLAY (display)); g_return_if_fail (display->vulkan_refcount > 0); display->vulkan_refcount--; if (display->vulkan_refcount > 0) return; g_hash_table_iter_init (&iter, display->vk_shader_modules); while (g_hash_table_iter_next (&iter, &key, &value)) { g_free (key); vkDestroyShaderModule (display->vk_device, value, NULL); } g_hash_table_unref (display->vk_shader_modules); if (display->vk_save_pipeline_cache_source) { g_clear_handle_id (&display->vk_save_pipeline_cache_source, g_source_remove); gdk_vulkan_save_pipeline_cache_cb (display); g_assert (display->vk_save_pipeline_cache_source == 0); } vkDestroyPipelineCache (display->vk_device, display->vk_pipeline_cache, NULL); display->vk_pipeline_cache = VK_NULL_HANDLE; g_clear_pointer (&display->vk_pipeline_cache_etag, g_free); display->vk_pipeline_cache_size = 0; vkDestroyDevice (display->vk_device, NULL); display->vk_device = VK_NULL_HANDLE; if (display->vk_debug_callback != VK_NULL_HANDLE) { PFN_vkDestroyDebugReportCallbackEXT vkDestroyDebugReportCallbackEXT; vkDestroyDebugReportCallbackEXT = (PFN_vkDestroyDebugReportCallbackEXT) vkGetInstanceProcAddr (display->vk_instance, "vkDestroyDebugReportCallbackEXT"); vkDestroyDebugReportCallbackEXT (display->vk_instance, display->vk_debug_callback, NULL); display->vk_debug_callback = VK_NULL_HANDLE; } vkDestroyInstance (display->vk_instance, NULL); display->vk_instance = VK_NULL_HANDLE; } VkShaderModule gdk_display_get_vk_shader_module (GdkDisplay *self, const char *resource_name) { VkShaderModule shader; GError *error = NULL; GBytes *bytes; shader = g_hash_table_lookup (self->vk_shader_modules, resource_name); if (shader) return shader; bytes = g_resources_lookup_data (resource_name, 0, &error); if (bytes == NULL) { GDK_DEBUG (VULKAN, "Error loading shader data: %s", error->message); g_clear_error (&error); return VK_NULL_HANDLE; } if (GDK_VK_CHECK (vkCreateShaderModule, self->vk_device, &(VkShaderModuleCreateInfo) { .sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO, .codeSize = g_bytes_get_size (bytes), .pCode = (uint32_t *) g_bytes_get_data (bytes, NULL), }, NULL, &shader) == VK_SUCCESS) { g_hash_table_insert (self->vk_shader_modules, g_strdup (resource_name), shader); } else { shader = VK_NULL_HANDLE; } g_bytes_unref (bytes); return shader; } #else /* GDK_RENDERING_VULKAN */ static void gdk_vulkan_context_class_init (GdkVulkanContextClass *klass) { signals[IMAGES_UPDATED] = g_signal_new (g_intern_static_string ("images-updated"), G_OBJECT_CLASS_TYPE (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0); } static void gdk_vulkan_context_init (GdkVulkanContext *self) { } static void gdk_vulkan_context_initable_init (GInitableIface *iface) { } #endif /* GDK_RENDERING_VULKAN */