From c7a53338733fad040814fb5d6d9180921e7a107b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Camilla=20L=C3=B6wy?= <elmindreda@elmindreda.org>
Date: Sun, 11 Apr 2021 21:26:27 +0200
Subject: [PATCH] Add window surface creation to glfwinfo

The glfwinfo tool now attempts Vulkan surface creation via
glfwCreateWindowSurface and reports the results.

(cherry picked from commit 0beadfdc667622d59b173ccce8674dc1ff12bb90)
---
 tests/glfwinfo.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/tests/glfwinfo.c b/tests/glfwinfo.c
index f681e0a5..e3163698 100644
--- a/tests/glfwinfo.c
+++ b/tests/glfwinfo.c
@@ -753,6 +753,17 @@ int main(int argc, char** argv)
     if (list_extensions)
         list_context_extensions(client, major, minor);
 
+    glfwDestroyWindow(window);
+
+    glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
+
+    window = glfwCreateWindow(200, 200, "Version", NULL, NULL);
+    if (!window)
+    {
+        glfwTerminate();
+        exit(EXIT_FAILURE);
+    }
+
     printf("Vulkan loader: %s\n",
            glfwVulkanSupported() ? "available" : "missing");
 
@@ -851,6 +862,19 @@ int main(int argc, char** argv)
             exit(EXIT_FAILURE);
         }
 
+        if (re)
+        {
+            VkSurfaceKHR surface = VK_NULL_HANDLE;
+
+            if (glfwCreateWindowSurface(instance, window, NULL, &surface) == VK_SUCCESS)
+            {
+                printf("Vulkan window surface created successfully\n");
+                vkDestroySurfaceKHR(instance, surface, NULL);
+            }
+            else
+                printf("Failed to create Vulkan window surface\n");
+        }
+
         free((void*) re);
 
         gladLoadVulkanUserPtr(NULL, (GLADuserptrloadfunc) glfwGetInstanceProcAddress, instance);
@@ -937,6 +961,8 @@ int main(int argc, char** argv)
         vkDestroyInstance(instance, NULL);
     }
 
+    glfwDestroyWindow(window);
+
     glfwTerminate();
     exit(EXIT_SUCCESS);
 }