153 lines
4.2 KiB
C
153 lines
4.2 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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#ifndef __GST_VULKAN_COMMAND_BUFFER_H__
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#define __GST_VULKAN_COMMAND_BUFFER_H__
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#include <gst/gst.h>
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#include <gst/vulkan/vulkan_fwd.h>
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#include <gst/vulkan/gstvkapi.h>
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G_BEGIN_DECLS
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/**
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* gst_vulkan_command_buffer_get_type:
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*
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* Since: 1.18
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*/
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GST_VULKAN_API
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GType gst_vulkan_command_buffer_get_type (void);
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/**
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* GST_TYPE_VULKAN_COMMAND_BUFFER:
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*
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* Since: 1.18
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*/
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#define GST_TYPE_VULKAN_COMMAND_BUFFER (gst_vulkan_command_buffer_get_type ())
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typedef struct _GstVulkanCommandBuffer GstVulkanCommandBuffer;
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/**
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* GstVulkanCommandBuffer:
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* @parent: the parent #GstMiniObject
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* @cmd: the vulkan command buffer handle
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* @pool: the parent #GstVulkanCommandPool for command buffer reuse and locking
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* @level: the level of the vulkan command buffer
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*
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* Since: 1.18
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*/
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struct _GstVulkanCommandBuffer
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{
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GstMiniObject parent;
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VkCommandBuffer cmd;
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/* <protected> */
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GstVulkanCommandPool *pool;
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VkCommandBufferLevel level;
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/* <private> */
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gpointer _reserved [GST_PADDING];
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};
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/**
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* gst_vulkan_command_buffer_ref: (skip)
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* @cmd: a #GstVulkanCommandBuffer.
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*
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* Increases the refcount of the given buffer by one.
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*
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* Returns: (transfer full): @cmd
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*
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* Since: 1.18
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*/
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static inline GstVulkanCommandBuffer* gst_vulkan_command_buffer_ref(GstVulkanCommandBuffer* cmd);
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static inline GstVulkanCommandBuffer *
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gst_vulkan_command_buffer_ref (GstVulkanCommandBuffer * cmd)
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{
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return (GstVulkanCommandBuffer *) gst_mini_object_ref (GST_MINI_OBJECT_CAST (cmd));
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}
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/**
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* gst_vulkan_command_buffer_unref: (skip)
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* @cmd: (transfer full): a #GstVulkanCommandBuffer.
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*
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* Decreases the refcount of the buffer. If the refcount reaches 0, the buffer
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* will be freed.
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*
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* Since: 1.18
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*/
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static inline void gst_vulkan_command_buffer_unref(GstVulkanCommandBuffer* cmd);
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static inline void
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gst_vulkan_command_buffer_unref (GstVulkanCommandBuffer * cmd)
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{
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gst_mini_object_unref (GST_MINI_OBJECT_CAST (cmd));
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}
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/**
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* gst_clear_vulkan_command_buffer: (skip)
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* @cmd_ptr: a pointer to a #GstVulkanCommandBuffer reference
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*
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* Clears a reference to a #GstVulkanCommandBuffer.
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*
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* @cmd_ptr must not be %NULL.
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*
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* If the reference is %NULL then this function does nothing. Otherwise, the
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* reference count of the command buffer is decreased and the pointer is set
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* to %NULL.
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*
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* Since: 1.18
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*/
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static inline void
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gst_clear_vulkan_command_buffer (GstVulkanCommandBuffer ** cmd_ptr)
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{
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gst_clear_mini_object ((GstMiniObject **) cmd_ptr);
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}
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/**
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* gst_vulkan_command_buffer_lock:
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* @cmd: the #GstVulkanCommandBuffer
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*
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* Lock @cmd for writing cmmands to @cmd. Must be matched by a corresponding
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* gst_vulkan_command_buffer_unlock().
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*
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* Since: 1.18
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*/
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#define gst_vulkan_command_buffer_lock(cmd) (gst_vulkan_command_pool_lock((cmd)->pool))
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/**
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* gst_vulkan_command_buffer_unlock:
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* @cmd: the #GstVulkanCommandBuffer
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*
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* Unlock @cmd for writing cmmands to @cmd. Must be matched by a corresponding
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* gst_vulkan_command_buffer_lock().
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*
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* Since: 1.18
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*/
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#define gst_vulkan_command_buffer_unlock(cmd) (gst_vulkan_command_pool_unlock((cmd)->pool))
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstVulkanCommandBuffer, gst_vulkan_command_buffer_unref);
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GST_VULKAN_API
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GstVulkanCommandBuffer * gst_vulkan_command_buffer_new_wrapped (VkCommandBuffer cmd,
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VkCommandBufferLevel level);
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G_END_DECLS
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#endif /* _GST_VULKAN_COMMAND_BUFFER_H_ */
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