winewayland.drv: Implement cross-process vkCreateSwapchainKHR.

Introduce the remote swapchain object, currently with a stub
implementation, that we are going to use for cross-process Vulkan
rendering.

Signed-off-by: Leandro Ribeiro <leandro.ribeiro@collabora.com>
Signed-off-by: Alexandros Frantzis <alexandros.frantzis@collabora.com>

dlls/winewayland.drv/Makefile.in

@@ -15,6 +15,7 @@ C_SRCS = \
 	registry.c \
 	unicode.c \
 	vulkan.c \
+	vulkan_remote.c \
 	wayland.c \
 	wayland_buffer_queue.c \
 	wayland_cursor.c \

dlls/winewayland.drv/vulkan.c

@@ -35,6 +35,7 @@
 
 #include "wine/vulkan.h"
 #include "wine/vulkan_driver.h"
+#include "vulkan_remote.h"
 
 #include <dlfcn.h>
 #include <stdlib.h>
@@ -135,6 +136,8 @@ struct wine_vk_swapchain
     VkSwapchainKHR native_vk_swapchain;
     VkExtent2D extent;
     BOOL valid;
+    /* Only used for cross-process Vulkan rendering apps. */
+    struct wayland_remote_vk_swapchain *remote_vk_swapchain;
 };
 
 static inline void wine_vk_list_add(struct wl_list *list, struct wl_list *link)
@@ -192,6 +195,9 @@ static void wine_vk_swapchain_destroy(struct wine_vk_swapchain *wine_vk_swapchai
     if (wine_vk_swapchain->wayland_surface)
         wayland_surface_unref_glvk(wine_vk_swapchain->wayland_surface);
 
+    if (wine_vk_swapchain->remote_vk_swapchain)
+        wayland_remote_vk_swapchain_destroy(wine_vk_swapchain->remote_vk_swapchain);
+
     free(wine_vk_swapchain);
 }
 
@@ -537,6 +543,7 @@ static VkResult wayland_vkCreateSwapchainKHR(VkDevice device,
                                              VkSwapchainKHR *swapchain)
 {
     VkResult res;
+    struct wine_vk_device *wine_vk_device;
     struct wine_vk_surface *wine_vk_surface;
     struct wine_vk_swapchain *wine_vk_swapchain;
     VkSwapchainCreateInfoKHR info = *create_info;
@@ -552,6 +559,10 @@ static VkResult wayland_vkCreateSwapchainKHR(VkDevice device,
     if (info.imageExtent.height == 0)
         info.imageExtent.height = 1;
 
+    wine_vk_device = wine_vk_device_from_handle(device);
+    if (!wine_vk_device)
+        return VK_ERROR_DEVICE_LOST;
+
     wine_vk_surface = wine_vk_surface_from_handle(info.surface);
     if (!wine_vk_surface || !__atomic_load_n(&wine_vk_surface->valid, __ATOMIC_SEQ_CST))
         RETURN_VK_ERROR_SURFACE_LOST_KHR;
@@ -569,9 +580,33 @@ static VkResult wayland_vkCreateSwapchainKHR(VkDevice device,
     wine_vk_swapchain->hwnd = wine_vk_surface->hwnd;
     if (wine_vk_surface->wayland_surface)
     {
-        wayland_surface_create_or_ref_glvk(wine_vk_surface->wayland_surface);
+        if (!wayland_surface_create_or_ref_glvk(wine_vk_surface->wayland_surface))
+        {
+            ERR("Failed to create or ref vulkan surface owned by " \
+                "wine_vk_surface=%p\n", wine_vk_surface);
+            res = VK_ERROR_OUT_OF_HOST_MEMORY;
+            goto err;
+        }
         wine_vk_swapchain->wayland_surface = wine_vk_surface->wayland_surface;
     }
+    else
+    {
+        if (!wine_vk_device->supports_remote_vulkan)
+        {
+            ERR("Failed to create remote Vulkan swapchain, required extensions " \
+                "not supported by VkDevice %p\n", wine_vk_device->dev);
+            res = VK_ERROR_OUT_OF_HOST_MEMORY;
+            goto err;
+        }
+        wine_vk_swapchain->remote_vk_swapchain =
+            wayland_remote_vk_swapchain_create(wine_vk_swapchain->hwnd);
+        if (!wine_vk_swapchain->remote_vk_swapchain)
+        {
+            res = VK_ERROR_OUT_OF_HOST_MEMORY;
+            goto err;
+        }
+    }
+
     wine_vk_swapchain->native_vk_swapchain = *swapchain;
     wine_vk_swapchain->extent = info.imageExtent;
     wine_vk_swapchain->valid = TRUE;

dlls/winewayland.drv/vulkan_remote.c

+/* WAYLANDDRV Vulkan remote implementation
+ *
+ * Copyright 2022 Leandro Ribeiro
+ *
+ * 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 "waylanddrv.h"
+
+#include "wine/debug.h"
+
+#include <stdlib.h>
+
+WINE_DEFAULT_DEBUG_CHANNEL(vulkan);
+
+struct wayland_remote_vk_swapchain
+{
+};
+
+void wayland_remote_vk_swapchain_destroy(struct wayland_remote_vk_swapchain *swapchain)
+{
+    free(swapchain);
+}
+
+struct wayland_remote_vk_swapchain *wayland_remote_vk_swapchain_create(HWND hwnd)
+{
+    struct wayland_remote_vk_swapchain *swapchain;
+
+    swapchain = calloc(1, sizeof(*swapchain));
+    if (!swapchain)
+    {
+        ERR("Failed to allocate memory\n");
+        goto err;
+    }
+
+    return swapchain;
+
+err:
+    ERR("Failed to create remote swapchain\n");
+    if (swapchain)
+        wayland_remote_vk_swapchain_destroy(swapchain);
+    return NULL;
+}

dlls/winewayland.drv/vulkan_remote.h

+/* WAYLANDDRV Vulkan remote implementation
+ *
+ * Copyright 2022 Leandro Ribeiro
+ *
+ * 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
+ */
+
+#ifndef __WINE_WAYLANDDRV_VULKAN_REMOTE_H
+#define __WINE_WAYLANDDRV_VULKAN_REMOTE_H
+
+#include "config.h"
+
+#include "waylanddrv.h"
+
+#define VK_NO_PROTOTYPES
+#define WINE_VK_HOST
+
+#include "wine/vulkan.h"
+
+struct wayland_remote_vk_swapchain;
+
+struct wayland_remote_vk_swapchain *wayland_remote_vk_swapchain_create(HWND hwnd) DECLSPEC_HIDDEN;
+void wayland_remote_vk_swapchain_destroy(struct wayland_remote_vk_swapchain *swapchain) DECLSPEC_HIDDEN;
+
+#endif /* __WINE_WAYLANDDRV_VULKAN_REMOTE_H */