vulkan: log extension/layers available/enabled on instance/device creation

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1341>

gst-libs/gst/vulkan/gstvkdevice.c

@@ -294,6 +294,17 @@ gst_vulkan_device_open (GstVulkanDevice * device, GError ** error)
   priv->queue_family_id = i;
   priv->n_queues = 1;
 
+  GST_INFO_OBJECT (device, "Creating a device from physical %" GST_PTR_FORMAT
+      " with %u layers and %u extensions", device->physical_device,
+      priv->enabled_layers->len, priv->enabled_extensions->len);
+
+  for (i = 0; i < priv->enabled_layers->len; i++)
+    GST_DEBUG_OBJECT (device, "layer %u: %s", i,
+        (gchar *) g_ptr_array_index (priv->enabled_layers, i));
+  for (i = 0; i < priv->enabled_extensions->len; i++)
+    GST_DEBUG_OBJECT (device, "extension %u: %s", i,
+        (gchar *) g_ptr_array_index (priv->enabled_extensions, i));
+
   {
     VkDeviceQueueCreateInfo queue_info = { 0, };
     VkDeviceCreateInfo device_info = { 0, };

gst-libs/gst/vulkan/gstvkinstance.c

@@ -713,6 +713,7 @@ gst_vulkan_instance_fill_info_unlocked (GstVulkanInstance * instance,
 {
   GstVulkanInstancePrivate *priv;
   VkResult err;
+  guint i;
 
   priv = GET_PRIV (instance);
 
@@ -756,6 +757,16 @@ gst_vulkan_instance_fill_info_unlocked (GstVulkanInstance * instance,
     return FALSE;
   }
 
+  GST_INFO_OBJECT (instance, "found %u layers and %u extensions",
+      priv->n_available_layers, priv->n_available_extensions);
+
+  for (i = 0; i < priv->n_available_layers; i++)
+    GST_DEBUG_OBJECT (instance, "available layer %u: %s", i,
+        priv->available_layers[i].layerName);
+  for (i = 0; i < priv->n_available_extensions; i++)
+    GST_DEBUG_OBJECT (instance, "available extension %u: %s", i,
+        priv->available_extensions[i].extensionName);
+
   /* configure default extensions */
   {
     GstVulkanDisplayType display_type;
@@ -854,15 +865,8 @@ gst_vulkan_instance_open (GstVulkanInstance * instance, GError ** error)
     requested_instance_api =
         VK_MAKE_VERSION (priv->requested_api_major, priv->requested_api_minor,
         0);
-    GST_INFO_OBJECT (instance, "requesting Vulkan API %u.%u, max supported "
-        "%u.%u", priv->requested_api_major, priv->requested_api_minor,
-        VK_VERSION_MAJOR (priv->supported_instance_api),
-        VK_VERSION_MINOR (priv->supported_instance_api));
   } else {
     requested_instance_api = priv->supported_instance_api;
-    GST_INFO_OBJECT (instance, "requesting maximum supported API %u.%u",
-        VK_VERSION_MAJOR (priv->supported_instance_api),
-        VK_VERSION_MINOR (priv->supported_instance_api));
   }
 
   if (requested_instance_api > priv->supported_instance_api) {
@@ -875,6 +879,37 @@ gst_vulkan_instance_open (GstVulkanInstance * instance, GError ** error)
     goto error;
   }
 
+  /* list of known vulkan loader environment variables taken from:
+   * https://github.com/KhronosGroup/Vulkan-LoaderAndValidationLayers/blob/master/loader/LoaderAndLayerInterface.md#table-of-debug-environment-variables */
+  GST_DEBUG_OBJECT (instance, "VK_ICD_FILENAMES: %s",
+      g_getenv ("VK_ICD_FILENAMES"));
+  GST_DEBUG_OBJECT (instance, "VK_INSTANCE_LAYERS: %s",
+      g_getenv ("VK_INSTANCE_LAYERS"));
+  GST_DEBUG_OBJECT (instance, "VK_LAYER_PATH: %s", g_getenv ("VK_LAYER_PATH"));
+  GST_DEBUG_OBJECT (instance, "VK_LOADER_DISABLE_INST_EXT_FILTER: %s",
+      g_getenv ("VK_LOADER_DISABLE_INST_EXT_FILTER"));
+  GST_DEBUG_OBJECT (instance, "VK_LOADER_DEBUG: %s",
+      g_getenv ("VK_LOADER_DEBUG"));
+
+  {
+    guint i;
+
+    GST_INFO_OBJECT (instance, "attempting to create instance for Vulkan API "
+        "%u.%u, max supported %u.%u with %u layers and %u extensions",
+        VK_VERSION_MAJOR (requested_instance_api),
+        VK_VERSION_MINOR (requested_instance_api),
+        VK_VERSION_MAJOR (priv->supported_instance_api),
+        VK_VERSION_MINOR (priv->supported_instance_api),
+        priv->enabled_layers->len, priv->enabled_extensions->len);
+
+    for (i = 0; i < priv->enabled_layers->len; i++)
+      GST_DEBUG_OBJECT (instance, "layer %u: %s", i,
+          (gchar *) g_ptr_array_index (priv->enabled_layers, i));
+    for (i = 0; i < priv->enabled_extensions->len; i++)
+      GST_DEBUG_OBJECT (instance, "extension %u: %s", i,
+          (gchar *) g_ptr_array_index (priv->enabled_extensions, i));
+  }
+
   {
     VkApplicationInfo app = { 0, };
     VkInstanceCreateInfo inst_info = { 0, };

gst-libs/gst/vulkan/gstvkphysicaldevice.c

@@ -802,6 +802,7 @@ gst_vulkan_physical_device_fill_info (GstVulkanPhysicalDevice * device,
 {
   GstVulkanPhysicalDevicePrivate *priv = GET_PRIV (device);
   VkResult err;
+  guint i;
 
   device->device = gst_vulkan_physical_device_get_handle (device);
   if (!device->device) {
@@ -833,8 +834,6 @@ gst_vulkan_physical_device_fill_info (GstVulkanPhysicalDevice * device,
           "vkEnumerateDeviceExtensionProperties") < 0) {
     goto error;
   }
-  GST_DEBUG_OBJECT (device, "Found %u extensions",
-      priv->n_available_extensions);
 
   priv->available_extensions =
       g_new0 (VkExtensionProperties, priv->n_available_extensions);
@@ -846,6 +845,16 @@ gst_vulkan_physical_device_fill_info (GstVulkanPhysicalDevice * device,
     goto error;
   }
 
+  GST_INFO_OBJECT (device, "found %u layers and %u extensions",
+      priv->n_available_layers, priv->n_available_extensions);
+
+  for (i = 0; i < priv->n_available_layers; i++)
+    GST_DEBUG_OBJECT (device, "available layer %u: %s", i,
+        priv->available_layers[i].layerName);
+  for (i = 0; i < priv->n_available_extensions; i++)
+    GST_DEBUG_OBJECT (device, "available extension %u: %s", i,
+        priv->available_extensions[i].extensionName);
+
   vkGetPhysicalDeviceProperties (device->device, &device->properties);
 #if defined (VK_API_VERSION_1_2)
   if (gst_vulkan_instance_check_version (device->instance, 1, 2, 0)) {