gstreamer/ext/vulkan/vkimageidentity.h
Matthew Waters 32b3387ae6 vulkan: implement proper descriptor set handling
The major functionality gain this provides is proper reference counting
for a descriptor set.  Overall this allows us to create descriptor sets
when they are needed (or reused from a cache) without violating any of
vulkan's object synchronisation requirements.

As there are a fixed number of sets available in a pool, the number of
descriptors in elements is currently hardcoded to 32.  This can be extended
in a future change to create pools on the fly if that limit is ever overrun.
2019-11-07 20:01:57 +00:00

62 lines
2.2 KiB
C

/*
* GStreamer
* Copyright (C) 2019 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_IMAGE_IDENTITY_H_
#define _VK_IMAGE_IDENTITY_H_
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/vulkan/vulkan.h>
#include "vkfullscreenrender.h"
G_BEGIN_DECLS
#define GST_TYPE_VULKAN_IMAGE_IDENTITY (gst_vulkan_image_identity_get_type())
#define GST_VULKAN_IMAGE_IDENTITY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VULKAN_IMAGE_IDENTITY,GstVulkanImageIdentity))
#define GST_VULKAN_IMAGE_IDENTITY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VULKAN_IMAGE_IDENTITY,GstVulkanImageIdentityClass))
#define GST_IS_VULKAN_IMAGE_IDENTITY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VULKAN_IMAGE_IDENTITY))
#define GST_IS_VULKAN_IMAGE_IDENTITY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VULKAN_IMAGE_IDENTITY))
typedef struct _GstVulkanImageIdentity GstVulkanImageIdentity;
typedef struct _GstVulkanImageIdentityClass GstVulkanImageIdentityClass;
struct _GstVulkanImageIdentity
{
GstVulkanFullScreenRender parent;
GstVulkanCommandPool *cmd_pool;
VkSampler sampler;
GstVulkanDescriptorCache *descriptor_pool;
VkDescriptorSetLayoutBinding sampler_layout_binding;
VkDescriptorSetLayoutCreateInfo layout_info;
};
struct _GstVulkanImageIdentityClass
{
GstVulkanFullScreenRenderClass parent_class;
};
GType gst_vulkan_image_identity_get_type(void);
G_END_DECLS
#endif