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/* WAYLANDDRV Vulkan implementation
*
* Copyright 2017 Roderick Colenbrander
* Copyright 2021 Alexandros Frantzis
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#if 0
#pragma makedep unix
#endif
#include "config.h"
#include <dlfcn.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "waylanddrv.h"
#include "wine/debug.h"
#define VK_NO_PROTOTYPES
#define WINE_VK_HOST
#include "wine/vulkan.h"
#include "wine/vulkan_driver.h"
WINE_DEFAULT_DEBUG_CHANNEL(vulkan);
#ifdef SONAME_LIBVULKAN
#define VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR 1000006000
typedef struct VkWaylandSurfaceCreateInfoKHR
{
VkStructureType sType;
const void *pNext;
VkWaylandSurfaceCreateFlagsKHR flags;
struct wl_display *display;
struct wl_surface *surface;
} VkWaylandSurfaceCreateInfoKHR;
static VkResult (*pvkCreateWaylandSurfaceKHR)(VkInstance, const VkWaylandSurfaceCreateInfoKHR *, const VkAllocationCallbacks *, VkSurfaceKHR *);
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static VkBool32 (*pvkGetPhysicalDeviceWaylandPresentationSupportKHR)(VkPhysicalDevice, uint32_t, struct wl_display *);

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static const struct vulkan_driver_funcs wayland_vulkan_driver_funcs;
struct wine_vk_surface
{
struct wayland_client_surface *client;
static HWND wine_vk_surface_get_hwnd(struct wine_vk_surface *wine_vk_surface)
{
return wl_surface_get_user_data(wine_vk_surface->client->wl_surface);
}
static void wine_vk_surface_destroy(struct wine_vk_surface *wine_vk_surface)
{
if (wine_vk_surface->client)
{
HWND hwnd = wine_vk_surface_get_hwnd(wine_vk_surface);
struct wayland_surface *wayland_surface = wayland_surface_lock_hwnd(hwnd);
if (wayland_client_surface_release(wine_vk_surface->client) &&
wayland_surface)
{
wayland_surface->client = NULL;
}
if (wayland_surface) pthread_mutex_unlock(&wayland_surface->mutex);
}
free(wine_vk_surface);
}
static VkResult wayland_vulkan_surface_create(HWND hwnd, VkInstance instance, VkSurfaceKHR *surface, void **private)
{
VkResult res;
VkWaylandSurfaceCreateInfoKHR create_info_host;
struct wine_vk_surface *wine_vk_surface;
struct wayland_surface *wayland_surface;
TRACE("%p %p %p %p\n", hwnd, instance, surface, private);
wine_vk_surface = calloc(1, sizeof(*wine_vk_surface));
if (!wine_vk_surface)
{
ERR("Failed to allocate memory for wayland vulkan surface\n");
return VK_ERROR_OUT_OF_HOST_MEMORY;
wayland_surface = wayland_surface_lock_hwnd(hwnd);
if (!wayland_surface)
{
ERR("Failed to find wayland surface for hwnd=%p\n", hwnd);
/* VK_KHR_win32_surface only allows out of host and device memory as errors. */
res = VK_ERROR_OUT_OF_HOST_MEMORY;
goto err;
}
wine_vk_surface->client = wayland_surface_get_client(wayland_surface);
pthread_mutex_unlock(&wayland_surface->mutex);
if (!wine_vk_surface->client)
{
ERR("Failed to create client surface for hwnd=%p\n", hwnd);
/* VK_KHR_win32_surface only allows out of host and device memory as errors. */
res = VK_ERROR_OUT_OF_HOST_MEMORY;
goto err;
}
create_info_host.sType = VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR;
create_info_host.pNext = NULL;
create_info_host.flags = 0; /* reserved */
create_info_host.display = process_wayland.wl_display;
create_info_host.surface = wine_vk_surface->client->wl_surface;
res = pvkCreateWaylandSurfaceKHR(instance, &create_info_host,
NULL /* allocator */,
surface);
if (res != VK_SUCCESS)
{
ERR("Failed to create vulkan wayland surface, res=%d\n", res);
goto err;
}
*private = wine_vk_surface;
TRACE("Created surface=0x%s, private=%p\n", wine_dbgstr_longlong(*surface), *private);
return VK_SUCCESS;
err:
wine_vk_surface_destroy(wine_vk_surface);
return res;
}
static void wayland_vulkan_surface_destroy(HWND hwnd, void *private)
struct wine_vk_surface *wine_vk_surface = private;
TRACE("%p %p\n", hwnd, private);
wine_vk_surface_destroy(wine_vk_surface);
}
static void wayland_vulkan_surface_presented(HWND hwnd, VkResult result)
{
struct wayland_surface *wayland_surface;
if ((wayland_surface = wayland_surface_lock_hwnd(hwnd)))
{
wayland_surface_ensure_contents(wayland_surface);
/* Handle any processed configure request, to ensure the related
* surface state is applied by the compositor. */
if (wayland_surface->processing.serial &&
wayland_surface->processing.processed &&
wayland_surface_reconfigure(wayland_surface))
{
wl_surface_commit(wayland_surface->wl_surface);
}
pthread_mutex_unlock(&wayland_surface->mutex);
}
}

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static VkBool32 wayland_vkGetPhysicalDeviceWin32PresentationSupportKHR(VkPhysicalDevice phys_dev,
uint32_t index)
{
TRACE("%p %u\n", phys_dev, index);
return pvkGetPhysicalDeviceWaylandPresentationSupportKHR(phys_dev, index,
process_wayland.wl_display);
}
static const char *wayland_get_host_surface_extension(void)
{
return "VK_KHR_wayland_surface";
}
static const struct vulkan_driver_funcs wayland_vulkan_driver_funcs =
{
.p_vulkan_surface_create = wayland_vulkan_surface_create,
.p_vulkan_surface_destroy = wayland_vulkan_surface_destroy,

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.p_vulkan_surface_presented = wayland_vulkan_surface_presented,
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.p_vkGetPhysicalDeviceWin32PresentationSupportKHR = wayland_vkGetPhysicalDeviceWin32PresentationSupportKHR,
.p_get_host_surface_extension = wayland_get_host_surface_extension,
};
/**********************************************************************
* WAYLAND_VulkanInit

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UINT WAYLAND_VulkanInit(UINT version, void *vulkan_handle, const struct vulkan_driver_funcs **driver_funcs)
{
if (version != WINE_VULKAN_DRIVER_VERSION)
{
ERR("version mismatch, win32u wants %u but driver has %u\n", version, WINE_VULKAN_DRIVER_VERSION);
return STATUS_INVALID_PARAMETER;
#define LOAD_FUNCPTR(f) if (!(p##f = dlsym(vulkan_handle, #f))) return STATUS_PROCEDURE_NOT_FOUND;
LOAD_FUNCPTR(vkCreateWaylandSurfaceKHR);
LOAD_FUNCPTR(vkGetPhysicalDeviceWaylandPresentationSupportKHR);
#undef LOAD_FUNCPTR

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*driver_funcs = &wayland_vulkan_driver_funcs;
return STATUS_SUCCESS;
}
#else /* No vulkan */

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UINT WAYLAND_VulkanInit(UINT version, void *vulkan_handle, const struct vulkan_driver_funcs **driver_funcs)
ERR( "Wine was built without Vulkan support.\n" );
return STATUS_NOT_IMPLEMENTED;
}
#endif /* SONAME_LIBVULKAN */