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>
159 lines
5.0 KiB
C
159 lines
5.0 KiB
C
/*
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* GStreamer
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* Copyright (C) 2015 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_BASE_BUFFER_H__
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#define __GST_VULKAN_BASE_BUFFER_H__
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#include <gst/gst.h>
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#include <gst/gstallocator.h>
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#include <gst/gstmemory.h>
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#include <gst/vulkan/vulkan.h>
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G_BEGIN_DECLS
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#define GST_TYPE_VULKAN_MEMORY_ALLOCATOR (gst_vulkan_memory_allocator_get_type())
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GST_VULKAN_API
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GType gst_vulkan_memory_allocator_get_type(void);
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#define GST_IS_VULKAN_MEMORY_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VULKAN_MEMORY_ALLOCATOR))
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#define GST_IS_VULKAN_MEMORY_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_VULKAN_MEMORY_ALLOCATOR))
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#define GST_VULKAN_MEMORY_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VULKAN_MEMORY_ALLOCATOR, GstVulkanMemoryAllocatorClass))
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#define GST_VULKAN_MEMORY_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VULKAN_MEMORY_ALLOCATOR, GstVulkanMemoryAllocator))
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#define GST_VULKAN_MEMORY_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_VULKAN_MEMORY_ALLOCATOR, GstVulkanMemoryAllocatorClass))
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/**
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* GST_VULKAN_MEMORY_ALLOCATOR_CAST:
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*
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* Since: 1.18
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*/
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#define GST_VULKAN_MEMORY_ALLOCATOR_CAST(obj) ((GstVulkanMemoryAllocator *)(obj))
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/**
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* GST_VULKAN_MEMORY_ALLOCATOR_NAME:
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*
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* Since: 1.18
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*/
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#define GST_VULKAN_MEMORY_ALLOCATOR_NAME "Vulkan"
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/**
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* GstVulkanMemory:
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* @mem: the parent #GstMemory
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* @device: the #GstVulkanDevice this memory is allocated from
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* @mem_ptr: the vulkan memory handle
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* @lock: lock for accessing/changing memory informat
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* @map_count: number of times this memory is mapped
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* @mapping: internal pointer to already mapped memory
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*
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* Since: 1.18
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*/
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struct _GstVulkanMemory
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{
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GstMemory mem;
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GstVulkanDevice *device;
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VkDeviceMemory mem_ptr;
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/* <protected> */
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GMutex lock;
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guint map_count;
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/**
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* GstVulkanMemory.mapping:
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*
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* internal pointer to already mapped memory
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*
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* Since: 1.24
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*/
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gpointer mapping;
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/* <private> */
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GDestroyNotify notify;
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gpointer user_data;
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VkMemoryAllocateInfo alloc_info;
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VkMemoryPropertyFlags properties;
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/* we need our own offset because GstMemory's is used to offset into the
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* mapped pointer which when suballocating, we need to avoid. This in
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* relation to the root memory */
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guint64 vk_offset;
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gboolean wrapped;
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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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* GstVulkanMemoryAllocator
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* @parent: the parent #GstAllocator
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*
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* Opaque #GstVulkanMemoryAllocator struct
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*
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* Since: 1.18
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*/
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struct _GstVulkanMemoryAllocator
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{
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GstAllocator parent;
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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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* GstVulkanMemoryAllocatorClass:
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* @parent_class: the parent #GstAllocatorClass
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*
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* The #GstVulkanMemoryAllocatorClass only contains private data
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*
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* Since: 1.18
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*/
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struct _GstVulkanMemoryAllocatorClass
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{
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GstAllocatorClass parent_class;
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/* <private> */
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gpointer _reserved [GST_PADDING];
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};
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstVulkanMemoryAllocator, gst_object_unref);
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GST_VULKAN_API
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void gst_vulkan_memory_init_once (void);
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GST_VULKAN_API
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gboolean gst_is_vulkan_memory (GstMemory * mem);
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GST_VULKAN_API
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GstMemory * gst_vulkan_memory_alloc (GstVulkanDevice * device,
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guint32 memory_type_index,
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GstAllocationParams * params,
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gsize size,
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VkMemoryPropertyFlags mem_prop_flags);
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GST_VULKAN_API
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gboolean gst_vulkan_memory_find_memory_type_index_with_requirements (GstVulkanDevice * device,
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const VkMemoryRequirements * req,
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VkMemoryPropertyFlags properties,
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guint32 * type_index);
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G_END_DECLS
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#endif /* _GST_VULKAN_BASE_BUFFER_H_ */
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