mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-21 15:56:42 +00:00
848256a7f5
These pointers are only used as read-only arguments, and should not be treated as mutable. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5736>
158 lines
5 KiB
C
158 lines
5 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef __GST_VULKAN_BASE_BUFFER_H__
|
|
#define __GST_VULKAN_BASE_BUFFER_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/gstallocator.h>
|
|
#include <gst/gstmemory.h>
|
|
|
|
#include <gst/vulkan/vulkan.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_VULKAN_MEMORY_ALLOCATOR (gst_vulkan_memory_allocator_get_type())
|
|
GST_VULKAN_API
|
|
GType gst_vulkan_memory_allocator_get_type(void);
|
|
|
|
#define GST_IS_VULKAN_MEMORY_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VULKAN_MEMORY_ALLOCATOR))
|
|
#define GST_IS_VULKAN_MEMORY_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_VULKAN_MEMORY_ALLOCATOR))
|
|
#define GST_VULKAN_MEMORY_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VULKAN_MEMORY_ALLOCATOR, GstVulkanMemoryAllocatorClass))
|
|
#define GST_VULKAN_MEMORY_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VULKAN_MEMORY_ALLOCATOR, GstVulkanMemoryAllocator))
|
|
#define GST_VULKAN_MEMORY_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_VULKAN_MEMORY_ALLOCATOR, GstVulkanMemoryAllocatorClass))
|
|
/**
|
|
* GST_VULKAN_MEMORY_ALLOCATOR_CAST:
|
|
*
|
|
* Since: 1.18
|
|
*/
|
|
#define GST_VULKAN_MEMORY_ALLOCATOR_CAST(obj) ((GstVulkanMemoryAllocator *)(obj))
|
|
|
|
/**
|
|
* GST_VULKAN_MEMORY_ALLOCATOR_NAME:
|
|
*
|
|
* Since: 1.18
|
|
*/
|
|
#define GST_VULKAN_MEMORY_ALLOCATOR_NAME "Vulkan"
|
|
|
|
/**
|
|
* GstVulkanMemory:
|
|
* @mem: the parent #GstMemory
|
|
* @device: the #GstVulkanDevice this memory is allocated from
|
|
* @mem_ptr: the vulkan memory handle
|
|
* @lock: lock for accessing/changing memory informat
|
|
* @map_count: number of times this memory is mapped
|
|
* @mapping: internal pointer to already mapped memory
|
|
*
|
|
* Since: 1.18
|
|
*/
|
|
struct _GstVulkanMemory
|
|
{
|
|
GstMemory mem;
|
|
|
|
GstVulkanDevice *device;
|
|
|
|
VkDeviceMemory mem_ptr;
|
|
|
|
/* <protected> */
|
|
GMutex lock;
|
|
guint map_count;
|
|
/**
|
|
* GstVulkanMemory.mapping:
|
|
*
|
|
* internal pointer to already mapped memory
|
|
*
|
|
* Since: 1.24
|
|
*/
|
|
gpointer mapping;
|
|
|
|
/* <private> */
|
|
GDestroyNotify notify;
|
|
gpointer user_data;
|
|
|
|
VkMemoryAllocateInfo alloc_info;
|
|
VkMemoryPropertyFlags properties;
|
|
|
|
/* we need our own offset because GstMemory's is used to offset into the
|
|
* mapped pointer which when suballocating, we need to avoid. This in
|
|
* relation to the root memory */
|
|
guint64 vk_offset;
|
|
gboolean wrapped;
|
|
|
|
/* <private> */
|
|
gpointer _reserved [GST_PADDING];
|
|
};
|
|
|
|
/**
|
|
* GstVulkanMemoryAllocator
|
|
* @parent: the parent #GstAllocator
|
|
*
|
|
* Opaque #GstVulkanMemoryAllocator struct
|
|
*
|
|
* Since: 1.18
|
|
*/
|
|
struct _GstVulkanMemoryAllocator
|
|
{
|
|
GstAllocator parent;
|
|
|
|
/* <private> */
|
|
gpointer _reserved [GST_PADDING];
|
|
};
|
|
|
|
/**
|
|
* GstVulkanMemoryAllocatorClass:
|
|
* @parent_class: the parent #GstAllocatorClass
|
|
*
|
|
* The #GstVulkanMemoryAllocatorClass only contains private data
|
|
*
|
|
* Since: 1.18
|
|
*/
|
|
struct _GstVulkanMemoryAllocatorClass
|
|
{
|
|
GstAllocatorClass parent_class;
|
|
|
|
/* <private> */
|
|
gpointer _reserved [GST_PADDING];
|
|
};
|
|
|
|
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstVulkanMemoryAllocator, gst_object_unref);
|
|
|
|
GST_VULKAN_API
|
|
void gst_vulkan_memory_init_once (void);
|
|
GST_VULKAN_API
|
|
gboolean gst_is_vulkan_memory (GstMemory * mem);
|
|
|
|
GST_VULKAN_API
|
|
GstMemory * gst_vulkan_memory_alloc (GstVulkanDevice * device,
|
|
guint32 memory_type_index,
|
|
GstAllocationParams * params,
|
|
gsize size,
|
|
VkMemoryPropertyFlags mem_prop_flags);
|
|
|
|
GST_VULKAN_API
|
|
gboolean gst_vulkan_memory_find_memory_type_index_with_requirements (GstVulkanDevice * device,
|
|
const VkMemoryRequirements * req,
|
|
VkMemoryPropertyFlags properties,
|
|
guint32 * type_index);
|
|
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* _GST_VULKAN_BASE_BUFFER_H_ */
|