Use puglStrerror and add note for optional instance extensions

1 files changed, 3 insertions, 1 deletions

diff --git a/main.c b/main.c
index 28fe4d0..46f381b 100755
--- a/main.c
+++ b/main.c
@@ -486,6 +486,8 @@ int rvkCreateWorld(struct RenderVulkan **vkOut)
 	}
 
 	VkResult result;
+	// FIXME: Use `vkEnumerateInstanceExtensionProperties` to query for
+	// debug & validation support or it will fail if not found.
 	//if ((result = rvkCreateInternalInstance(vk, 0, NULL, 0, NULL))) {
 	if ((result = rvkCreateInternalInstance(vk, nInstanceLayers, instanceLayers, nInstanceExtensions, instanceExtensions))) {
 		return -1;
@@ -630,7 +632,7 @@ int rvkCreateSurface(struct RenderVulkan *vk, const PuglRect frame)
 
 	PuglStatus status;
 	if ((status = puglCreateWindow(vk->view, "Vulkan Application Using Pugl"))) {
-		rvkSetErrMsg(vk, "Could not create window: %d\n", status);
+		rvkSetErrMsg(vk, "Could not create window: %s\n", puglStrerror(status));
 		return -1;
 	}