forked from AuroraMiddleware/gtk
1140 lines
43 KiB
C
1140 lines
43 KiB
C
/* GDK - The GIMP Drawing Kit
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*
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* gdkvulkancontext.c: Vulkan wrappers
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*
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* Copyright © 2016 Benjamin Otte
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gdkvulkancontext.h"
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#include "gdkvulkancontextprivate.h"
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#include "gdkdisplayprivate.h"
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#include "gdkinternals.h"
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#include "gdkintl.h"
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/**
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* SECTION:gdkvulkancontext
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* @Title: GdkVulkanContext
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* @Short_description: Vulkan draw context
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*
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* #GdkVulkanContext is an object representing the platform-specific
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* Vulkan draw context.
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*
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* #GdkVulkanContexts are created for a #GdkSurface using
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* gdk_surface_create_vulkan_context(), and the context will match the
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* the characteristics of the surface.
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*
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* Support for #GdkVulkanContext is platform-specific, context creation
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* can fail, returning %NULL context.
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*/
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/**
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* GdkVulkanContext:
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*
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* The GdkVulkanContext struct contains only private fields and should not
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* be accessed directly.
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*/
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typedef struct _GdkVulkanContextPrivate GdkVulkanContextPrivate;
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struct _GdkVulkanContextPrivate {
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#ifdef GDK_RENDERING_VULKAN
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VkSurfaceKHR surface;
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VkSurfaceFormatKHR image_format;
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VkSwapchainKHR swapchain;
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VkSemaphore draw_semaphore;
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guint n_images;
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VkImage *images;
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cairo_region_t **regions;
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#endif
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guint32 draw_index;
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guint vulkan_ref: 1;
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};
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enum {
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IMAGES_UPDATED,
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LAST_SIGNAL
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};
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G_DEFINE_QUARK (gdk-vulkan-error-quark, gdk_vulkan_error)
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static guint signals[LAST_SIGNAL] = { 0 };
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static void gdk_vulkan_context_initable_init (GInitableIface *iface);
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G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GdkVulkanContext, gdk_vulkan_context, GDK_TYPE_DRAW_CONTEXT,
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G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE, gdk_vulkan_context_initable_init)
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G_ADD_PRIVATE (GdkVulkanContext))
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#ifdef GDK_RENDERING_VULKAN
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const char *
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gdk_vulkan_strerror (VkResult result)
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{
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/* If your compiler brought you here with a warning about missing
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* enumeration values, you're running a newer Vulkan version than
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* the GTK developers )or you are a GTK developer) and have
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* encountered a newly added Vulkan error message.
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* You want to add it to this enum now.
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*
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* Becuse the Vulkan people don't make adding this too easy, here's
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* the process to manage it:
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* 1. go to
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* https://github.com/KhronosGroup/Vulkan-LoaderAndValidationLayers/blame/master/include/vulkan/vulkan.h
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* 2. Find the line where this enum value was added.
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* 3. Click the commit that added this line.
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* 4. The commit you're looking at now should also change
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* VK_HEADER_VERSION, find that number.
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* 5. Use that number in the #ifdef when adding the enum value to
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* this enum.
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* 6. For the error message, look at the specification (the one
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* that includes all extensions) at
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* https://www.khronos.org/registry/vulkan/specs/1.0-extensions/html/vkspec.html#VkResult
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* 7. If this value has not been added to the specification yet,
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* search for the error message in the text of specification.
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* Often it will have a description that can be used as an error
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* message.
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* 8. If that didn't lead to one (or you are lazy), just use the
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* literal string of the enum value as the error message. A
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* GTK developer will add the correct one once it's added to the
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* specification.
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*/
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switch (result)
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{
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case VK_SUCCESS:
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return "Command successfully completed.";
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case VK_NOT_READY:
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return "A fence or query has not yet completed.";
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case VK_TIMEOUT:
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return "A wait operation has not completed in the specified time.";
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case VK_EVENT_SET:
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return "An event is signaled.";
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case VK_EVENT_RESET:
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return "An event is unsignaled.";
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case VK_INCOMPLETE:
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return "A return array was too small for the result.";
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case VK_SUBOPTIMAL_KHR:
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return "A swapchain no longer matches the surface properties exactly, but can still be used to present to the surface successfully.";
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case VK_ERROR_OUT_OF_HOST_MEMORY:
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return "A host memory allocation has failed.";
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case VK_ERROR_OUT_OF_DEVICE_MEMORY:
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return "A device memory allocation has failed.";
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case VK_ERROR_INITIALIZATION_FAILED:
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return "Initialization of an object could not be completed for implementation-specific reasons.";
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case VK_ERROR_DEVICE_LOST:
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return "The logical or physical device has been lost.";
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case VK_ERROR_MEMORY_MAP_FAILED:
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return "Mapping of a memory object has failed.";
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case VK_ERROR_LAYER_NOT_PRESENT:
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return "A requested layer is not present or could not be loaded.";
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case VK_ERROR_EXTENSION_NOT_PRESENT:
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return "A requested extension is not supported.";
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case VK_ERROR_FEATURE_NOT_PRESENT:
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return "A requested feature is not supported.";
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case VK_ERROR_INCOMPATIBLE_DRIVER:
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return "The requested version of Vulkan is not supported by the driver or is otherwise incompatible for implementation-specific reasons.";
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case VK_ERROR_TOO_MANY_OBJECTS:
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return "Too many objects of the type have already been created.";
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case VK_ERROR_FORMAT_NOT_SUPPORTED:
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return "A requested format is not supported on this device.";
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#if VK_HEADER_VERSION >= 24
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case VK_ERROR_FRAGMENTED_POOL:
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return "A requested pool allocation has failed due to fragmentation of the pool’s memory.";
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#endif
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case VK_ERROR_SURFACE_LOST_KHR:
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return "A surface is no longer available.";
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case VK_ERROR_NATIVE_WINDOW_IN_USE_KHR:
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return "The requested window is already in use by Vulkan or another API in a manner which prevents it from being used again.";
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case VK_ERROR_OUT_OF_DATE_KHR:
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return "A surface has changed in such a way that it is no longer compatible with the swapchain.";
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case VK_ERROR_INCOMPATIBLE_DISPLAY_KHR:
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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.";
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case VK_ERROR_VALIDATION_FAILED_EXT:
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return "The application caused the validation layer to fail.";
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case VK_ERROR_INVALID_SHADER_NV:
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return "One or more shaders failed to compile or link.";
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#if VK_HEADER_VERSION >= 39
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case VK_ERROR_OUT_OF_POOL_MEMORY_KHR:
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return "A pool memory allocation has failed.";
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#endif
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#if VK_HEADER_VERSION >= 54
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case VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR:
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return "An external handle is not a valid handle of the specified type.";
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#endif
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#if VK_HEADER_VERSION >= 64
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case VK_ERROR_NOT_PERMITTED_EXT:
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return "The caller does not have sufficient privileges.";
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#endif
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#if VK_HEADER_VERSION >= 72
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case VK_ERROR_FRAGMENTATION_EXT:
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return "A descriptor pool creation has failed due to fragmentation";
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#endif
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#if VK_HEADER_VERSION >= 89
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case VK_ERROR_INVALID_DRM_FORMAT_MODIFIER_PLANE_LAYOUT_EXT:
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return "Invalid DRM format modifier plane layout";
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#endif
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case VK_RESULT_RANGE_SIZE:
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case VK_RESULT_MAX_ENUM:
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default:
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return "Unknown Vulkan error.";
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}
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}
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static void
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gdk_vulkan_context_dispose (GObject *gobject)
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{
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GdkVulkanContext *context = GDK_VULKAN_CONTEXT (gobject);
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GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context);
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GdkDisplay *display;
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VkDevice device;
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guint i;
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for (i = 0; i < priv->n_images; i++)
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{
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cairo_region_destroy (priv->regions[i]);
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}
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g_clear_pointer (&priv->regions, g_free);
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g_clear_pointer (&priv->images, g_free);
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priv->n_images = 0;
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device = gdk_vulkan_context_get_device (context);
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if (priv->draw_semaphore != VK_NULL_HANDLE)
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{
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vkDestroySemaphore (device,
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priv->draw_semaphore,
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NULL);
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priv->draw_semaphore = VK_NULL_HANDLE;
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}
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if (priv->swapchain != VK_NULL_HANDLE)
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{
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vkDestroySwapchainKHR (device,
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priv->swapchain,
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NULL);
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priv->swapchain = VK_NULL_HANDLE;
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}
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if (priv->surface != VK_NULL_HANDLE)
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{
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vkDestroySurfaceKHR (gdk_vulkan_context_get_instance (context),
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priv->surface,
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NULL);
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priv->surface = VK_NULL_HANDLE;
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}
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/* display will be unset in gdk_draw_context_dispose() */
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display = gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context));
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if (display && priv->vulkan_ref)
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gdk_display_unref_vulkan (display);
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G_OBJECT_CLASS (gdk_vulkan_context_parent_class)->dispose (gobject);
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}
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static gboolean
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gdk_vulkan_context_check_swapchain (GdkVulkanContext *context,
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GError **error)
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{
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GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context);
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GdkSurface *surface = gdk_draw_context_get_surface (GDK_DRAW_CONTEXT (context));
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VkSurfaceCapabilitiesKHR capabilities;
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VkCompositeAlphaFlagBitsKHR composite_alpha;
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VkSwapchainKHR new_swapchain;
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VkResult res;
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VkDevice device;
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guint i;
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device = gdk_vulkan_context_get_device (context);
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res = GDK_VK_CHECK (vkGetPhysicalDeviceSurfaceCapabilitiesKHR, gdk_vulkan_context_get_physical_device (context),
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priv->surface,
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&capabilities);
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if (res != VK_SUCCESS)
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{
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g_set_error (error, GDK_VULKAN_ERROR, GDK_VULKAN_ERROR_NOT_AVAILABLE,
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"Could not query surface capabilities: %s", gdk_vulkan_strerror (res));
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return FALSE;
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}
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if (capabilities.supportedCompositeAlpha & VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR)
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composite_alpha = VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR;
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else if (capabilities.supportedCompositeAlpha & VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR)
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{
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/* let's hope the backend knows what it's doing */
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composite_alpha = VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR;
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}
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else
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{
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GDK_DISPLAY_NOTE (gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context)),
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VULKAN, g_warning ("Vulkan swapchain doesn't do transparency. Using opaque swapchain instead."));
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composite_alpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
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}
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/*
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* Per https://www.khronos.org/registry/vulkan/specs/1.0-wsi_extensions/xhtml/vkspec.html#VkSurfaceCapabilitiesKHR
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* the current extent may assume a special value, meaning that the extend should assume whatever
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* value the surface has.
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*/
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if (capabilities.currentExtent.width == -1 || capabilities.currentExtent.height == -1)
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{
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capabilities.currentExtent.width = gdk_surface_get_width (surface) * gdk_surface_get_scale_factor (surface);
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capabilities.currentExtent.height = gdk_surface_get_height (surface) * gdk_surface_get_scale_factor (surface);
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}
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res = GDK_VK_CHECK (vkCreateSwapchainKHR, device,
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&(VkSwapchainCreateInfoKHR) {
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.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR,
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.pNext = NULL,
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.flags = 0,
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.surface = priv->surface,
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.minImageCount = CLAMP (4,
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capabilities.minImageCount,
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capabilities.maxImageCount ? capabilities.maxImageCount : G_MAXUINT32),
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.imageFormat = priv->image_format.format,
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.imageColorSpace = priv->image_format.colorSpace,
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.imageExtent = capabilities.currentExtent,
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.imageArrayLayers = 1,
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.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
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.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE,
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.queueFamilyIndexCount = 1,
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.pQueueFamilyIndices = (uint32_t[1]) {
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gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context))->vk_queue_family_index
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},
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.preTransform = capabilities.currentTransform,
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.compositeAlpha = composite_alpha,
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.presentMode = VK_PRESENT_MODE_FIFO_KHR,
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.clipped = VK_FALSE,
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.oldSwapchain = priv->swapchain
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},
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NULL,
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&new_swapchain);
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if (priv->swapchain != VK_NULL_HANDLE)
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{
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vkDestroySwapchainKHR (device,
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priv->swapchain,
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NULL);
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for (i = 0; i < priv->n_images; i++)
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{
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cairo_region_destroy (priv->regions[i]);
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}
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g_clear_pointer (&priv->regions, g_free);
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g_clear_pointer (&priv->images, g_free);
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priv->n_images = 0;
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}
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if (res == VK_SUCCESS)
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{
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priv->swapchain = new_swapchain;
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GDK_VK_CHECK (vkGetSwapchainImagesKHR, device,
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priv->swapchain,
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&priv->n_images,
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NULL);
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priv->images = g_new (VkImage, priv->n_images);
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GDK_VK_CHECK (vkGetSwapchainImagesKHR, device,
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priv->swapchain,
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&priv->n_images,
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priv->images);
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priv->regions = g_new (cairo_region_t *, priv->n_images);
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for (i = 0; i < priv->n_images; i++)
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{
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priv->regions[i] = cairo_region_create_rectangle (&(cairo_rectangle_int_t) {
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0, 0,
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gdk_surface_get_width (surface),
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gdk_surface_get_height (surface),
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});
|
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}
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}
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else
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{
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g_set_error (error, GDK_VULKAN_ERROR, GDK_VULKAN_ERROR_NOT_AVAILABLE,
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"Could not create swapchain for this surface: %s", gdk_vulkan_strerror (res));
|
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priv->swapchain = VK_NULL_HANDLE;
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return FALSE;
|
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}
|
||
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g_signal_emit (context, signals[IMAGES_UPDATED], 0);
|
||
|
||
return res == VK_SUCCESS;
|
||
}
|
||
|
||
static void
|
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gdk_vulkan_context_begin_frame (GdkDrawContext *draw_context,
|
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cairo_region_t *region)
|
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{
|
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GdkVulkanContext *context = GDK_VULKAN_CONTEXT (draw_context);
|
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GdkVulkanContextPrivate *priv = gdk_vulkan_context_get_instance_private (context);
|
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guint i;
|
||
|
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for (i = 0; i < priv->n_images; i++)
|
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{
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cairo_region_union (priv->regions[i], region);
|
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}
|
||
|
||
GDK_VK_CHECK (vkAcquireNextImageKHR, gdk_vulkan_context_get_device (context),
|
||
priv->swapchain,
|
||
UINT64_MAX,
|
||
priv->draw_semaphore,
|
||
VK_NULL_HANDLE,
|
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&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);
|
||
|
||
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
|
||
},
|
||
});
|
||
|
||
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
|
||
*
|
||
* This signal is 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,
|
||
g_cclosure_marshal_VOID__VOID,
|
||
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);
|
||
VkResult res;
|
||
VkBool32 supported;
|
||
uint32_t i;
|
||
|
||
priv->vulkan_ref = gdk_display_ref_vulkan (gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context)), error);
|
||
if (!priv->vulkan_ref)
|
||
return FALSE;
|
||
|
||
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].format == VK_FORMAT_B8G8R8A8_UNORM)
|
||
break;
|
||
}
|
||
if (i == n_formats)
|
||
{
|
||
g_set_error_literal (error, GDK_VULKAN_ERROR, GDK_VULKAN_ERROR_NOT_AVAILABLE,
|
||
"No supported image format found.");
|
||
goto out_surface;
|
||
}
|
||
priv->image_format = formats[i];
|
||
|
||
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;
|
||
}
|
||
|
||
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;
|
||
}
|
||
|
||
/**
|
||
* 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->image_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 gdk_draw_context_begin_frame() and
|
||
* gdk_draw_context_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 gdk_draw_context_begin_frame() and
|
||
* gdk_draw_context_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 *error = NULL;
|
||
|
||
if (!g_ascii_string_to_signed (override, 10, 0, G_MAXINT, &device_idx, &error))
|
||
{
|
||
g_warning ("Failed to parse %s: %s", "GDK_VULKAN_DEVICE", error->message);
|
||
g_error_free (error);
|
||
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;
|
||
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)
|
||
{
|
||
GDK_DISPLAY_NOTE (display, VULKAN, g_print ("Using Vulkan device %u, queue %u\n", i, j));
|
||
if (GDK_VK_CHECK (vkCreateDevice, devices[i],
|
||
&(VkDeviceCreateInfo) {
|
||
VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
|
||
NULL,
|
||
0,
|
||
1,
|
||
&(VkDeviceQueueCreateInfo) {
|
||
.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
|
||
.queueFamilyIndex = j,
|
||
.queueCount = 1,
|
||
.pQueuePriorities = (float []) { 1.0f },
|
||
},
|
||
0,
|
||
NULL,
|
||
1,
|
||
(const char * const []) {
|
||
VK_KHR_SWAPCHAIN_EXTENSION_NAME,
|
||
},
|
||
},
|
||
NULL,
|
||
&display->vk_device) != VK_SUCCESS)
|
||
continue;
|
||
|
||
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_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) 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_DEBUG_CHECK (display, VULKAN_VALIDATE) &&
|
||
g_str_equal (layers[i].layerName, "VK_LAYER_LUNARG_standard_validation"))
|
||
{
|
||
g_ptr_array_add (used_layers, (gpointer) "VK_LAYER_LUNARG_standard_validation");
|
||
validate = TRUE;
|
||
}
|
||
}
|
||
|
||
if (GDK_DISPLAY_DEBUG_CHECK (display, 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_0
|
||
},
|
||
.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;
|
||
}
|
||
|
||
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)
|
||
{
|
||
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;
|
||
|
||
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;
|
||
}
|
||
|
||
#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,
|
||
g_cclosure_marshal_VOID__VOID,
|
||
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 */
|