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/*
* GStreamer
* Copyright (C) 2019 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:vkdescriptorset
* @title: GstVulkanDescriptorSet
* @short_description: Vulkan descriptor set
* @see_also: #GstVulkanDescriptorPool, #GstVulkanDescriptorCache, #GstVulkanDevice
*
* vulkandescriptorset holds information about a descriptor set.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstvkdescriptorset.h"
#include "gstvkdescriptorpool.h"
#include "gstvkdescriptorcache.h"
#define GST_CAT_DEFAULT gst_debug_vulkan_descriptor_set
GST_DEBUG_CATEGORY (GST_CAT_DEFAULT);
#define gst_vulkan_descriptor_cache_release_set(c,s) \
gst_vulkan_handle_pool_release (GST_VULKAN_HANDLE_POOL_CAST (c), s);
static void
init_debug (void)
{
static gsize _init = 0;
if (g_once_init_enter (&_init)) {
GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkandescriptorset", 0,
"Vulkan descriptor set");
g_once_init_leave (&_init, 1);
}
}
static gboolean
gst_vulkan_descriptor_set_dispose (GstVulkanDescriptorSet * set)
{
GstVulkanDescriptorCache *cache;
/* no pool, do free */
if ((cache = set->cache) == NULL)
return TRUE;
/* keep the buffer alive */
gst_vulkan_descriptor_set_ref (set);
/* return the buffer to the pool */
gst_vulkan_descriptor_cache_release_set (cache, set);
return FALSE;
}
static void
gst_vulkan_descriptor_set_free (GstVulkanDescriptorSet * set)
{
guint i;
g_assert (set->cache == NULL);
GST_TRACE ("Freeing %p", set);
for (i = 0; i < set->n_layouts; i++)
gst_vulkan_handle_unref (set->layouts[i]);
g_free (set->layouts);
vkFreeDescriptorSets (set->pool->device->device, set->pool->pool, 1,
&set->set);
gst_clear_object (&set->pool);
g_free (set);
}
static void
gst_vulkan_descriptor_set_init (GstVulkanDescriptorSet * set,
GstVulkanDescriptorPool * pool, VkDescriptorSet desc_set, guint n_layouts,
GstVulkanHandle ** layouts)
{
guint i;
set->pool = gst_object_ref (pool);
set->set = desc_set;
set->n_layouts = n_layouts;
set->layouts = g_new0 (GstVulkanHandle *, n_layouts);
for (i = 0; i < n_layouts; i++)
set->layouts[i] = gst_vulkan_handle_ref (layouts[i]);
init_debug ();
GST_TRACE ("new %p", set);
gst_mini_object_init (&set->parent, 0, GST_TYPE_VULKAN_DESCRIPTOR_SET,
NULL, (GstMiniObjectDisposeFunction) gst_vulkan_descriptor_set_dispose,
(GstMiniObjectFreeFunction) gst_vulkan_descriptor_set_free);
}
/**
* gst_vulkan_descriptor_set_new_wrapped:
* @set: a VkDescriptorSet
*
* Returns: (transfer full): a new #GstVulkanDescriptorSet
*
* Since: 1.18
*/
GstVulkanDescriptorSet *
gst_vulkan_descriptor_set_new_wrapped (GstVulkanDescriptorPool * pool,
VkDescriptorSet set, guint n_layouts, GstVulkanHandle ** layouts)
{
GstVulkanDescriptorSet *ret;
g_return_val_if_fail (GST_IS_VULKAN_DESCRIPTOR_POOL (pool), NULL);
g_return_val_if_fail (set != VK_NULL_HANDLE, NULL);
g_return_val_if_fail (n_layouts > 0, NULL);
g_return_val_if_fail (layouts != NULL, NULL);
ret = g_new0 (GstVulkanDescriptorSet, 1);
gst_vulkan_descriptor_set_init (ret, pool, set, n_layouts, layouts);
return ret;
}
GST_DEFINE_MINI_OBJECT_TYPE (GstVulkanDescriptorSet, gst_vulkan_descriptor_set);
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