vulkan: allow per feature registration

Split plugin into features including
dynamic types which can be indiviually
registered during a static build.

More details here:

https://gitlab.freedesktop.org/gstreamer/gst-build/-/merge_requests/199
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/661

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2038>

ext/vulkan/gstvulkan.c

@@ -36,50 +36,29 @@
 #include "vkdownload.h"
 #include "vkviewconvert.h"
 #include "vkdeviceprovider.h"
+#include "gstvulkanelements.h"
 
-#define GST_CAT_DEFAULT gst_vulkan_debug
-GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
 
 static gboolean
 plugin_init (GstPlugin * plugin)
 {
-  GST_DEBUG_CATEGORY_INIT (gst_vulkan_debug, "vulkan", 0, "vulkan");
+  gboolean ret = FALSE;
 
-  if (!gst_element_register (plugin, "vulkansink",
+  ret |= GST_DEVICE_PROVIDER_REGISTER (vulkandeviceprovider, plugin);
-          GST_RANK_NONE, GST_TYPE_VULKAN_SINK)) {
-    return FALSE;
-  }
 
-  if (!gst_element_register (plugin, "vulkanupload",
+  ret |= GST_ELEMENT_REGISTER (vulkansink, plugin);
-          GST_RANK_NONE, GST_TYPE_VULKAN_UPLOAD)) {
-    return FALSE;
-  }
 
-  if (!gst_element_register (plugin, "vulkandownload",
+  ret |= GST_ELEMENT_REGISTER (vulkanupload, plugin);
-          GST_RANK_NONE, GST_TYPE_VULKAN_DOWNLOAD)) {
-    return FALSE;
-  }
 
-  if (!gst_element_register (plugin, "vulkancolorconvert",
+  ret |= GST_ELEMENT_REGISTER (vulkandownload, plugin);
-          GST_RANK_NONE, GST_TYPE_VULKAN_COLOR_CONVERT)) {
-    return FALSE;
-  }
 
-  if (!gst_element_register (plugin, "vulkanimageidentity",
+  ret |= GST_ELEMENT_REGISTER (vulkancolorconvert, plugin);
-          GST_RANK_NONE, GST_TYPE_VULKAN_IMAGE_IDENTITY)) {
-    return FALSE;
-  }
 
-  if (!gst_element_register (plugin, "vulkanviewconvert",
+  ret |= GST_ELEMENT_REGISTER (vulkanimageidentity, plugin);
-          GST_RANK_NONE, GST_TYPE_VULKAN_VIEW_CONVERT)) {
-    return FALSE;
-  }
 
-  if (!gst_device_provider_register (plugin, "vulkandeviceprovider",
+  ret |= GST_ELEMENT_REGISTER (vulkanviewconvert, plugin);
-          GST_RANK_MARGINAL, GST_TYPE_VULKAN_DEVICE_PROVIDER))
-    return FALSE;
 
-  return TRUE;
+  return ret;
 }
 
 GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,

ext/vulkan/gstvulkanelement.c

@@ -0,0 +1,46 @@
+/*
+ * GStreamer
+ * Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library 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.
+ */
+
+/**
+ * SECTION:plugin-vulkan
+ * @title: vulkan
+ *
+ * Cross-platform Vulkan plugin.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gstvulkanelements.h"
+
+#define GST_CAT_DEFAULT gst_vulkan_debug
+GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
+
+void
+vulkan_element_init (GstPlugin * plugin)
+{
+  static gsize res = FALSE;
+
+  if (g_once_init_enter (&res)) {
+    GST_DEBUG_CATEGORY_INIT (gst_vulkan_debug, "vulkan", 0, "vulkan");
+    g_once_init_leave (&res, TRUE);
+  }
+}

ext/vulkan/gstvulkanelements.h

@@ -0,0 +1,41 @@
+/* GStreamer
+ * Copyright (C) <2020> The GStreamer Contributors.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library 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 __GST_VULKAN_ELEMENTS_H__
+#define __GST_VULKAN_ELEMENTS_H__
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <gst/gst.h>
+
+void vulkan_element_init (GstPlugin * plugin);
+
+GST_ELEMENT_REGISTER_DECLARE (vulkancolorconvert);
+GST_ELEMENT_REGISTER_DECLARE (vulkandownload);
+GST_ELEMENT_REGISTER_DECLARE (vulkanimageidentity);
+GST_ELEMENT_REGISTER_DECLARE (vulkansink);
+GST_ELEMENT_REGISTER_DECLARE (vulkanupload);
+GST_ELEMENT_REGISTER_DECLARE (vulkanviewconvert);
+GST_DEVICE_PROVIDER_REGISTER_DECLARE (vulkandeviceprovider);
+
+
+#endif /* __GST_VULKAN_ELEMENTS_H__ */

ext/vulkan/meson.build

@@ -17,6 +17,7 @@ subdir('shaders')
 
 vulkan_sources = [
   'gstvulkan.c',
+  'gstvulkanelement.c',
   'vkcolorconvert.c',
   'vkdownload.c',
   'vkdeviceprovider.c',

ext/vulkan/vkcolorconvert.c

@@ -43,6 +43,8 @@
 #include "shaders/rgb_to_yuy2.frag.h"
 #include "shaders/rgb_to_nv12.frag.h"
 
+#include "gstvulkanelements.h"
+
 GST_DEBUG_CATEGORY (gst_debug_vulkan_color_convert);
 #define GST_CAT_DEFAULT gst_debug_vulkan_color_convert
 
@@ -795,6 +797,8 @@ G_DEFINE_TYPE_WITH_CODE (GstVulkanColorConvert, gst_vulkan_color_convert,
     GST_TYPE_VULKAN_VIDEO_FILTER,
     GST_DEBUG_CATEGORY_INIT (gst_debug_vulkan_color_convert,
         "vulkancolorconvert", 0, "Vulkan Color Convert"));
+GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (vulkancolorconvert, "vulkancolorconvert",
+    GST_RANK_NONE, GST_TYPE_VULKAN_COLOR_CONVERT, vulkan_element_init (plugin));
 
 struct yuv_info
 {

ext/vulkan/vkdeviceprovider.c

@@ -23,6 +23,7 @@
 #include "config.h"
 #endif
 
+#include "gstvulkanelements.h"
 #include "vkdeviceprovider.h"
 
 #include <string.h>
@@ -39,7 +40,10 @@ static GstDevice *gst_vulkan_device_object_new (GstVulkanPhysicalDevice *
 
 G_DEFINE_TYPE_WITH_CODE (GstVulkanDeviceProvider, gst_vulkan_device_provider,
     GST_TYPE_DEVICE_PROVIDER, GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT,
-        "vulkandevice", 0, "Vulkan Device"););
+        "vulkandevice", 0, "Vulkan Device");
+    );
+GST_DEVICE_PROVIDER_REGISTER_DEFINE (vulkandeviceprovider,
+    "vulkandeviceprovider", GST_RANK_MARGINAL, GST_TYPE_VULKAN_DEVICE_PROVIDER);
 
 static void gst_vulkan_device_provider_finalize (GObject * object);
 static void gst_vulkan_device_provider_set_property (GObject * object,

ext/vulkan/vkdownload.c

@@ -31,6 +31,7 @@
 
 #include <string.h>
 
+#include "gstvulkanelements.h"
 #include "vkdownload.h"
 
 GST_DEBUG_CATEGORY (gst_debug_vulkan_download);
@@ -470,6 +471,8 @@ enum
 G_DEFINE_TYPE_WITH_CODE (GstVulkanDownload, gst_vulkan_download,
     GST_TYPE_BASE_TRANSFORM, GST_DEBUG_CATEGORY_INIT (gst_debug_vulkan_download,
         "vulkandownload", 0, "Vulkan Downloader"));
+GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (vulkandownload, "vulkandownload",
+    GST_RANK_NONE, GST_TYPE_VULKAN_DOWNLOAD, vulkan_element_init (plugin));
 
 static void
 gst_vulkan_download_class_init (GstVulkanDownloadClass * klass)

ext/vulkan/vkimageidentity.c

@@ -31,6 +31,7 @@
 
 #include <string.h>
 
+#include "gstvulkanelements.h"
 #include "vkimageidentity.h"
 
 #include "shaders/identity.vert.h"
@@ -83,6 +84,9 @@ G_DEFINE_TYPE_WITH_CODE (GstVulkanImageIdentity, gst_vulkan_image_identity,
     GST_TYPE_VULKAN_VIDEO_FILTER,
     GST_DEBUG_CATEGORY_INIT (gst_debug_vulkan_image_identity,
         "vulkanimageidentity", 0, "Vulkan Image identity"));
+GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (vulkanimageidentity,
+    "vulkanimageidentity", GST_RANK_NONE, GST_TYPE_VULKAN_IMAGE_IDENTITY,
+    vulkan_element_init (plugin));
 
 static void
 gst_vulkan_image_identity_class_init (GstVulkanImageIdentityClass * klass)

ext/vulkan/vksink.c

@@ -32,6 +32,7 @@
 
 //#include <gst/video/videooverlay.h>
 
+#include "gstvulkanelements.h"
 #include "vksink.h"
 
 GST_DEBUG_CATEGORY (gst_debug_vulkan_sink);
@@ -108,6 +109,8 @@ G_DEFINE_TYPE_WITH_CODE (GstVulkanSink, gst_vulkan_sink,
         gst_vulkan_sink_video_overlay_init);
     G_IMPLEMENT_INTERFACE (GST_TYPE_NAVIGATION,
         gst_vulkan_sink_navigation_interface_init));
+GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (vulkansink, "vulkansink", GST_RANK_NONE,
+    GST_TYPE_VULKAN_SINK, vulkan_element_init (plugin));
 
 static void
 gst_vulkan_sink_class_init (GstVulkanSinkClass * klass)

ext/vulkan/vkupload.c

@@ -30,7 +30,7 @@
 #endif
 
 #include <string.h>
-
+#include "gstvulkanelements.h"
 #include "vkupload.h"
 
 GST_DEBUG_CATEGORY (gst_debug_vulkan_upload);
@@ -1164,6 +1164,8 @@ enum
 G_DEFINE_TYPE_WITH_CODE (GstVulkanUpload, gst_vulkan_upload,
     GST_TYPE_BASE_TRANSFORM, GST_DEBUG_CATEGORY_INIT (gst_debug_vulkan_upload,
         "vulkanupload", 0, "Vulkan Uploader"));
+GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (vulkanupload, "vulkanupload",
+    GST_RANK_NONE, GST_TYPE_VULKAN_UPLOAD, vulkan_element_init (plugin));
 
 static void
 gst_vulkan_upload_class_init (GstVulkanUploadClass * klass)

ext/vulkan/vkviewconvert.c

@@ -31,6 +31,7 @@
 
 #include <string.h>
 
+#include "gstvulkanelements.h"
 #include "vkviewconvert.h"
 
 #include "shaders/identity.vert.h"
@@ -561,6 +562,8 @@ G_DEFINE_TYPE_WITH_CODE (GstVulkanViewConvert, gst_vulkan_view_convert,
     GST_TYPE_VULKAN_VIDEO_FILTER,
     GST_DEBUG_CATEGORY_INIT (gst_debug_vulkan_view_convert,
         "vulkanviewconvert", 0, "Vulkan View Convert"));
+GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (vulkanviewconvert, "vulkanviewconvert",
+    GST_RANK_NONE, GST_TYPE_VULKAN_VIEW_CONVERT, vulkan_element_init (plugin));
 
 static void
 gst_vulkan_view_convert_class_init (GstVulkanViewConvertClass * klass)