gstreamer/ext/vulkan/vkbuffermemory.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 _VK_BUFFER_MEMORY_H_
#define _VK_BUFFER_MEMORY_H_
#include <gst/gst.h>
#include <gst/gstallocator.h>
#include <gst/gstmemory.h>
#include <vk.h>
G_BEGIN_DECLS
#define GST_TYPE_VULKAN_BUFFER_MEMORY_ALLOCATOR (gst_vulkan_buffer_memory_allocator_get_type())
GType gst_vulkan_buffer_memory_allocator_get_type(void);
#define GST_IS_VULKAN_BUFFER_MEMORY_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VULKAN_BUFFER_MEMORY_ALLOCATOR))
#define GST_IS_VULKAN_BUFFER_MEMORY_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_VULKAN_BUFFER_MEMORY_ALLOCATOR))
#define GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VULKAN_MEMORY_ALLOCATOR, GstVulkanBufferMemoryAllocatorClass))
#define GST_VULKAN_BUFFER_MEMORY_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VULKAN_MEMORY_ALLOCATOR, GstVulkanBufferMemoryAllocator))
#define GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_VULKAN_MEMORY_ALLOCATOR, GstVulkanBufferMemoryAllocatorClass))
#define GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_CAST(obj) ((GstVulkanBufferMemoryAllocator *)(obj))
#define GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_NAME "VulkanBuffer"
#define GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER "memory:" GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_NAME
struct _GstVulkanBufferMemory
{
GstMemory parent;
GstVulkanDevice * device;
VkBuffer buffer;
VkBufferView view;
GstVulkanMemory *vk_mem;
VkMemoryRequirements requirements;
VkBufferUsageFlags usage;
GMutex lock;
gboolean wrapped;
GDestroyNotify notify;
gpointer user_data;
};
/**
* GstVulkanBufferMemoryAllocator
*
* Opaque #GstVulkanBufferMemoryAllocator struct
*/
struct _GstVulkanBufferMemoryAllocator
{
GstAllocator parent;
};
/**
* GstVulkanBufferMemoryAllocatorClass:
*
* The #GstVulkanBufferMemoryAllocatorClass only contains private data
*/
struct _GstVulkanBufferMemoryAllocatorClass
{
GstAllocatorClass parent_class;
};
void gst_vulkan_buffer_memory_init_once (void);
gboolean gst_is_vulkan_buffer_memory (GstMemory * mem);
GstMemory * gst_vulkan_buffer_memory_alloc (GstVulkanDevice * device,
VkFormat format,
gsize size,
VkBufferUsageFlags usage,
VkMemoryPropertyFlags mem_prop_flags);
GstMemory * gst_vulkan_buffer_memory_wrapped (GstVulkanDevice * device,
VkBuffer buffer,
VkFormat format,
VkBufferUsageFlags usage,
gpointer user_data,
GDestroyNotify notify);
G_END_DECLS
#endif /* _VK_BUFFER_MEMORY_H_ */