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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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2d31aba78d
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1506>
142 lines
3.9 KiB
C
142 lines
3.9 KiB
C
/*
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* GStreamer
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* Copyright (C) 2019 Matthew Waters <matthew@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* SECTION:vkdescriptorset
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* @title: GstVulkanDescriptorSet
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* @short_description: Vulkan descriptor set
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* @see_also: #GstVulkanDescriptorPool, #GstVulkanDescriptorCache, #GstVulkanDevice
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*
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* vulkandescriptorset holds information about a descriptor set.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstvkdescriptorset.h"
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#include "gstvkdescriptorpool.h"
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#include "gstvkdescriptorcache.h"
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#define GST_CAT_DEFAULT gst_debug_vulkan_descriptor_set
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GST_DEBUG_CATEGORY (GST_CAT_DEFAULT);
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#define gst_vulkan_descriptor_cache_release_set(c,s) \
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gst_vulkan_handle_pool_release (GST_VULKAN_HANDLE_POOL_CAST (c), s);
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static void
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init_debug (void)
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{
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static volatile gsize _init = 0;
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if (g_once_init_enter (&_init)) {
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GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkandescriptorset", 0,
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"Vulkan descriptor set");
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g_once_init_leave (&_init, 1);
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}
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}
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static gboolean
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gst_vulkan_descriptor_set_dispose (GstVulkanDescriptorSet * set)
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{
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GstVulkanDescriptorCache *cache;
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/* no pool, do free */
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if ((cache = set->cache) == NULL)
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return TRUE;
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/* keep the buffer alive */
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gst_vulkan_descriptor_set_ref (set);
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/* return the buffer to the pool */
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gst_vulkan_descriptor_cache_release_set (cache, set);
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return FALSE;
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}
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static void
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gst_vulkan_descriptor_set_free (GstVulkanDescriptorSet * set)
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{
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guint i;
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g_assert (set->cache == NULL);
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GST_TRACE ("Freeing %p", set);
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for (i = 0; i < set->n_layouts; i++)
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gst_vulkan_handle_unref (set->layouts[i]);
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g_free (set->layouts);
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vkFreeDescriptorSets (set->pool->device->device, set->pool->pool, 1,
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&set->set);
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gst_clear_object (&set->pool);
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g_free (set);
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}
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static void
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gst_vulkan_descriptor_set_init (GstVulkanDescriptorSet * set,
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GstVulkanDescriptorPool * pool, VkDescriptorSet desc_set, guint n_layouts,
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GstVulkanHandle ** layouts)
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{
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guint i;
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set->pool = gst_object_ref (pool);
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set->set = desc_set;
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set->n_layouts = n_layouts;
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set->layouts = g_new0 (GstVulkanHandle *, n_layouts);
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for (i = 0; i < n_layouts; i++)
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set->layouts[i] = gst_vulkan_handle_ref (layouts[i]);
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init_debug ();
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GST_TRACE ("new %p", set);
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gst_mini_object_init (&set->parent, 0, GST_TYPE_VULKAN_DESCRIPTOR_SET,
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NULL, (GstMiniObjectDisposeFunction) gst_vulkan_descriptor_set_dispose,
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(GstMiniObjectFreeFunction) gst_vulkan_descriptor_set_free);
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}
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/**
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* gst_vulkan_descriptor_set_new_wrapped:
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* @set: a VkDescriptorSet
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*
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* Returns: (transfer full): a new #GstVulkanDescriptorSet
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*
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* Since: 1.18
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*/
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GstVulkanDescriptorSet *
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gst_vulkan_descriptor_set_new_wrapped (GstVulkanDescriptorPool * pool,
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VkDescriptorSet set, guint n_layouts, GstVulkanHandle ** layouts)
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{
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GstVulkanDescriptorSet *ret;
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g_return_val_if_fail (GST_IS_VULKAN_DESCRIPTOR_POOL (pool), NULL);
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g_return_val_if_fail (set != VK_NULL_HANDLE, NULL);
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g_return_val_if_fail (n_layouts > 0, NULL);
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g_return_val_if_fail (layouts != NULL, NULL);
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ret = g_new0 (GstVulkanDescriptorSet, 1);
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gst_vulkan_descriptor_set_init (ret, pool, set, n_layouts, layouts);
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return ret;
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}
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GST_DEFINE_MINI_OBJECT_TYPE (GstVulkanDescriptorSet, gst_vulkan_descriptor_set);
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