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120 lines
3.3 KiB
C
120 lines
3.3 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstvkcommandpool.h"
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/**
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* SECTION:vkcommandpool
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* @title: GstVulkanCommandPool
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* @short_description: Vulkan command pool
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* @see_also: #GstVulkanDevice
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*/
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#define GST_CAT_DEFAULT gst_vulkan_command_pool_debug
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GST_DEBUG_CATEGORY (GST_CAT_DEFAULT);
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#define parent_class gst_vulkan_command_pool_parent_class
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G_DEFINE_TYPE_WITH_CODE (GstVulkanCommandPool, gst_vulkan_command_pool,
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GST_TYPE_OBJECT, GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT,
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"vulkancommandpool", 0, "Vulkan Command Pool"));
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static void gst_vulkan_command_pool_dispose (GObject * object);
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static void
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gst_vulkan_command_pool_init (GstVulkanCommandPool * device)
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{
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}
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static void
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gst_vulkan_command_pool_class_init (GstVulkanCommandPoolClass * device_class)
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{
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GObjectClass *gobject_class = (GObjectClass *) device_class;
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gobject_class->dispose = gst_vulkan_command_pool_dispose;
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}
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static void
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gst_vulkan_command_pool_dispose (GObject * object)
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{
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GstVulkanCommandPool *pool = GST_VULKAN_COMMAND_POOL (object);
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if (pool->pool)
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vkDestroyCommandPool (pool->queue->device->device, pool->pool, NULL);
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pool->pool = VK_NULL_HANDLE;
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if (pool->queue)
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gst_object_unref (pool->queue);
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pool->queue = NULL;
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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/**
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* gst_vulkan_command_pool_get_queue
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* @pool: a #GstVulkanCommandPool
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*
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* Returns: (transfer full): the parent #GstVulkanQueue for this command pool
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*
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* Since: 1.18
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*/
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GstVulkanQueue *
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gst_vulkan_command_pool_get_queue (GstVulkanCommandPool * pool)
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{
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g_return_val_if_fail (GST_IS_VULKAN_COMMAND_POOL (pool), NULL);
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return pool->queue ? gst_object_ref (pool->queue) : NULL;
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}
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/**
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* gst_vulkan_command_pool_create: (skip)
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* @pool: a #GstVulkanCommandPool
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* @error: a #GError
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*
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* Returns: a new primary VkCommandBuffer
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*
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* Since: 1.18
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*/
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VkCommandBuffer
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gst_vulkan_command_pool_create (GstVulkanCommandPool * pool, GError ** error)
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{
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VkResult err;
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VkCommandBufferAllocateInfo cmd_info = { 0, };
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VkCommandBuffer cmd;
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g_return_val_if_fail (GST_IS_VULKAN_COMMAND_POOL (pool), NULL);
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cmd_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
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cmd_info.pNext = NULL;
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cmd_info.commandPool = pool->pool;
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cmd_info.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
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cmd_info.commandBufferCount = 1;
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err = vkAllocateCommandBuffers (pool->queue->device->device, &cmd_info, &cmd);
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if (gst_vulkan_error_to_g_error (err, error, "vkCreateCommandBuffer") < 0)
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return NULL;
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GST_LOG_OBJECT (pool, "created cmd buffer %p", cmd);
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return cmd;
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}
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