gstreamer/gst-libs/gst/vulkan/gstvkimagememory.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_IMAGE_MEMORY_H__
#define __GST_VULKAN_IMAGE_MEMORY_H__
#include <gst/vulkan/gstvkbarrier.h>
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#include <gst/vulkan/gstvkdevice.h>
#include <gst/video/video.h>
G_BEGIN_DECLS
#define GST_TYPE_VULKAN_IMAGE_MEMORY_ALLOCATOR (gst_vulkan_image_memory_allocator_get_type())
GST_VULKAN_API
GType gst_vulkan_image_memory_allocator_get_type(void);
#define GST_IS_VULKAN_IMAGE_MEMORY_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VULKAN_IMAGE_MEMORY_ALLOCATOR))
#define GST_IS_VULKAN_IMAGE_MEMORY_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_VULKAN_IMAGE_MEMORY_ALLOCATOR))
#define GST_VULKAN_IMAGE_MEMORY_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VULKAN_MEMORY_ALLOCATOR, GstVulkanImageMemoryAllocatorClass))
#define GST_VULKAN_IMAGE_MEMORY_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VULKAN_MEMORY_ALLOCATOR, GstVulkanImageMemoryAllocator))
#define GST_VULKAN_IMAGE_MEMORY_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_VULKAN_MEMORY_ALLOCATOR, GstVulkanImageMemoryAllocatorClass))
/**
* GST_VULKAN_IMAGE_MEMORY_ALLOCATOR_CAST:
*
* Since: 1.18
*/
#define GST_VULKAN_IMAGE_MEMORY_ALLOCATOR_CAST(obj) ((GstVulkanImageMemoryAllocator *)(obj))
/**
* GST_VULKAN_IMAGE_MEMORY_ALLOCATOR_NAME:
*
* Since: 1.18
*/
#define GST_VULKAN_IMAGE_MEMORY_ALLOCATOR_NAME "VulkanImage"
/**
* GST_CAPS_FEATURE_MEMORY_VULKAN_IMAGE:
*
* Since: 1.18
*/
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#define GST_CAPS_FEATURE_MEMORY_VULKAN_IMAGE "memory:VulkanImage"
/**
* GstVulkanBarrierImageInfo:
* @parent: parent #GstVulkanBarrierMemoryInfo
* @image_layout: the image layout of this barrier
* @subresource_range: what subresource the barrier applies to
*
* Since: 1.18
*/
struct _GstVulkanBarrierImageInfo
{
GstVulkanBarrierMemoryInfo parent;
VkImageLayout image_layout;
/* FIXME: multiple layers or mipmap levels may require multiple barriers */
VkImageSubresourceRange subresource_range;
};
/**
* GstVulkanImageMemory:
* @parent: parent #GstMemory
* @device: the #GstVulkanDevice to allocate images from
* @image: the Vulkan image handle
* @vk_mem: the backing #GstVulkanMemory for @image
* @create_info: creation information for @image
* @requirements: memory requirements for @image
* @format_properties: format properties
* @usage: intended usage for @image
* @barrier: last set barrier for @image
*
* Since: 1.18
*/
struct _GstVulkanImageMemory
{
GstMemory parent;
GstVulkanDevice * device;
VkImage image;
GstVulkanMemory *vk_mem;
VkImageCreateInfo create_info;
VkMemoryRequirements requirements;
VkImageFormatProperties format_properties;
VkImageUsageFlags usage;
GstVulkanBarrierImageInfo barrier;
/* <private> */
GMutex lock;
gboolean wrapped;
GDestroyNotify notify;
gpointer user_data;
GPtrArray *views;
GPtrArray *outstanding_views;
gpointer _padding[GST_PADDING];
};
/**
* GstVulkanImageMemoryFindViewFunc:
*
* Function definition used to find views. Return %TRUE if @view matches the
* criteria.
*
* Since: 1.18
*/
typedef gboolean (*GstVulkanImageMemoryFindViewFunc) (GstVulkanImageView * view, gpointer user_data);
/**
* GstVulkanImageMemoryAllocator
* @parent: the parent #GstAllocator
*
* Opaque #GstVulkanImageMemoryAllocator struct
*
* Since: 1.18
*/
struct _GstVulkanImageMemoryAllocator
{
GstAllocator parent;
/* <private> */
gpointer _reserved [GST_PADDING];
};
/**
* GstVulkanImageMemoryAllocatorClass:
* @parent_class: the parent #GstAllocatorClass
*
* The #GstVulkanImageMemoryAllocatorClass only contains private data
*
* Since: 1.18
*/
struct _GstVulkanImageMemoryAllocatorClass
{
GstAllocatorClass parent_class;
/* <private> */
gpointer _reserved [GST_PADDING];
};
GST_VULKAN_API
void gst_vulkan_image_memory_init_once (void);
GST_VULKAN_API
gboolean gst_is_vulkan_image_memory (GstMemory * mem);
GST_VULKAN_API
gboolean gst_vulkan_image_memory_init (GstVulkanImageMemory * mem,
GstAllocator * allocator,
GstMemory * parent,
GstVulkanDevice * device,
VkImageUsageFlags usage,
GstAllocationParams * params,
gsize size,
gpointer user_data,
GDestroyNotify notify);
GST_VULKAN_API
GstMemory * gst_vulkan_image_memory_alloc (GstVulkanDevice * device,
VkFormat format,
gsize width,
gsize height,
VkImageTiling tiling,
VkImageUsageFlags usage,
VkMemoryPropertyFlags mem_prop_flags);
GST_VULKAN_API
GstMemory * gst_vulkan_image_memory_wrapped (GstVulkanDevice * device,
VkImage image,
VkFormat format,
gsize width,
gsize height,
VkImageTiling tiling,
VkImageUsageFlags usage,
gpointer user_data,
GDestroyNotify notify);
GST_VULKAN_API
guint32 gst_vulkan_image_memory_get_width (GstVulkanImageMemory * image);
GST_VULKAN_API
guint32 gst_vulkan_image_memory_get_height (GstVulkanImageMemory * image);
GST_VULKAN_API
GstVulkanImageView *gst_vulkan_image_memory_find_view (GstVulkanImageMemory * image,
GstVulkanImageMemoryFindViewFunc find_func,
gpointer user_data);
GST_VULKAN_API
void gst_vulkan_image_memory_add_view (GstVulkanImageMemory * image,
GstVulkanImageView * view);
GST_VULKAN_API
VkFormat gst_vulkan_format_from_video_info (GstVideoInfo * v_info,
guint plane);
G_END_DECLS
#endif /* __GST_VULKAN_IMAGE_MEMORY_H__ */