gstreamer/ext/vulkan/vkmemory.h

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/*
* 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 <vk.h>
G_BEGIN_DECLS
#define GST_TYPE_VULKAN_MEMORY_ALLOCATOR (gst_vulkan_memory_allocator_get_type())
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))
#define GST_VULKAN_MEMORY_ALLOCATOR_CAST(obj) ((GstVulkanMemoryAllocator *)(obj))
#define GST_VULKAN_MEMORY_ALLOCATOR_NAME "Vulkan"
struct _GstVulkanMemory
{
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GstMemory mem;
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GstVulkanDevice *device;
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VkDeviceMemory mem_ptr;
/* <protected> */
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GMutex lock;
guint map_count;
/* <private> */
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GDestroyNotify notify;
gpointer user_data;
VkMemoryAllocateInfo alloc_info;
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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;
};
/**
* GstVulkanMemoryAllocator
*
* Opaque #GstVulkanMemoryAllocator struct
*/
struct _GstVulkanMemoryAllocator
{
GstAllocator parent;
};
/**
* GstVulkanMemoryAllocatorClass:
*
* The #GstVulkanMemoryAllocatorClass only contains private data
*/
struct _GstVulkanMemoryAllocatorClass
{
GstAllocatorClass parent_class;
};
void gst_vulkan_memory_init_once (void);
gboolean gst_is_vulkan_memory (GstMemory * mem);
GstMemory * gst_vulkan_memory_alloc (GstVulkanDevice * device,
guint32 memory_type_index,
GstAllocationParams * params,
gsize size,
VkMemoryPropertyFlags mem_prop_flags);
gboolean gst_vulkan_memory_find_memory_type_index_with_type_properties (GstVulkanDevice * device,
guint32 typeBits,
VkMemoryPropertyFlags properties,
guint32 * typeIndex);
G_END_DECLS
#endif /* _GST_VULKAN_BASE_BUFFER_H_ */