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vulkan: large docs update

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This commit is contained in:
Matthew Waters 2019-04-11 16:52:54 +10:00
parent 32d217a9df
commit 70fda3ff78
25 changed files with 711 additions and 87 deletions
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41
gst-libs/gst/vulkan/gstvkbuffermemory.c
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@ -26,11 +26,11 @@
/** /**
* SECTION:vkbuffermemory * SECTION:vkbuffermemory
* @title: vkbuffermemory * @title: GstVulkanBufferMemory
* @short_description: memory subclass for Vulkan buffer memory * @short_description: memory subclass for Vulkan buffer memory
* @see_also: #GstMemory, #GstAllocator * @see_also: #GstVulkanMemory, #GstMemory, #GstAllocator
* *
* GstVulkanBufferMemory is a #GstMemory subclass providing support for the * #GstVulkanBufferMemory is a #GstMemory subclass providing support for the
* mapping of Vulkan device memory. * mapping of Vulkan device memory.
*/ */
@ -337,13 +337,17 @@ _vk_buffer_mem_free (GstAllocator * allocator, GstMemory * memory)
/** /**
* gst_vulkan_buffer_memory_alloc: * gst_vulkan_buffer_memory_alloc:
* @device: a #GstVulkanDevice * @device: a #GstVulkanDevice
* @memory_type_index: the Vulkan memory type index * @format: the format for the buffer
* @params: a #GstAllocationParams * @size: size of the new buffer
* @size: the size to allocate * @usage: buffer usage flags
* @mem_prop_flags: memory properties flags for the backing memory
* *
* Allocated a new #GstVulkanBufferMemory. * Allocate a new #GstVulkanBufferMemory.
* *
* Returns: a #GstMemory object backed by a vulkan device memory * Returns: (transfer full): a #GstMemory object backed by a vulkan buffer
* backed by vulkan device memory
*
* Since: 1.18
*/ */
GstMemory * GstMemory *
gst_vulkan_buffer_memory_alloc (GstVulkanDevice * device, VkFormat format, gst_vulkan_buffer_memory_alloc (GstVulkanDevice * device, VkFormat format,
@ -357,6 +361,21 @@ gst_vulkan_buffer_memory_alloc (GstVulkanDevice * device, VkFormat format,
return (GstMemory *) mem; return (GstMemory *) mem;
} }
/**
* gst_vulkan_buffer_memory_wrapped:
* @device: a #GstVulkanDevice
* @buffer: a #VkBuffer
* @format: the #VkFormat of @buffer
* @usage: usage flags of @buffer
* @user_data: (allow-none): user data to call @notify with
* @notify: (allow-none): a #GDestroyNotify called when @buffer is no longer in use
*
* Allocated a new wrapped #GstVulkanBufferMemory with @buffer.
*
* Returns: (transfer full): a #GstMemory object backed by a vulkan device memory
*
* Since: 1.18
*/
GstMemory * GstMemory *
gst_vulkan_buffer_memory_wrapped (GstVulkanDevice * device, VkBuffer buffer, gst_vulkan_buffer_memory_wrapped (GstVulkanDevice * device, VkBuffer buffer,
VkFormat format, VkBufferUsageFlags usage, gpointer user_data, VkFormat format, VkBufferUsageFlags usage, gpointer user_data,
@ -402,8 +421,10 @@ gst_vulkan_buffer_memory_allocator_init (GstVulkanBufferMemoryAllocator *
/** /**
* gst_vulkan_buffer_memory_init_once: * gst_vulkan_buffer_memory_init_once:
* *
* Initializes the Vulkan memory allocator. It is safe to call this function * Initializes the Vulkan buffer memory allocator. It is safe to call this function
* multiple times. This must be called before any other #GstVulkanBufferMemory operation. * multiple times. This must be called before any other #GstVulkanBufferMemory operation.
*
* Since: 1.18
*/ */
void void
gst_vulkan_buffer_memory_init_once (void) gst_vulkan_buffer_memory_init_once (void)
@ -429,6 +450,8 @@ gst_vulkan_buffer_memory_init_once (void)
* @mem:a #GstMemory * @mem:a #GstMemory
* *
* Returns: whether the memory at @mem is a #GstVulkanBufferMemory * Returns: whether the memory at @mem is a #GstVulkanBufferMemory
*
* Since: 1.18
*/ */
gboolean gboolean
gst_is_vulkan_buffer_memory (GstMemory * mem) gst_is_vulkan_buffer_memory (GstMemory * mem)

2
gst-libs/gst/vulkan/gstvkbuffermemory.h
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@ -41,7 +41,7 @@ GType gst_vulkan_buffer_memory_allocator_get_type(void);
#define GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_CAST(obj) ((GstVulkanBufferMemoryAllocator *)(obj)) #define GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_CAST(obj) ((GstVulkanBufferMemoryAllocator *)(obj))
#define GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_NAME "VulkanBuffer" #define GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_NAME "VulkanBuffer"
#define GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER "memory:" GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_NAME #define GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER "memory:VulkanBuffer"
struct _GstVulkanBufferMemory struct _GstVulkanBufferMemory
{ {

6
gst-libs/gst/vulkan/gstvkbufferpool.c
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@ -198,9 +198,11 @@ mem_create_failed:
/** /**
* gst_vulkan_buffer_pool_new: * gst_vulkan_buffer_pool_new:
* @context: the #GstGLContext to use * @device: the #GstVulkanDevice to use
* *
* Returns: a #GstBufferPool that allocates buffers with #GstGLMemory * Returns: (transfer full): a #GstBufferPool that allocates buffers with #GstGLMemory
*
* Since: 1.18
*/ */
GstBufferPool * GstBufferPool *
gst_vulkan_buffer_pool_new (GstVulkanDevice * device) gst_vulkan_buffer_pool_new (GstVulkanDevice * device)

24
gst-libs/gst/vulkan/gstvkcommandpool.c
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@ -24,6 +24,13 @@
#include "gstvkcommandpool.h" #include "gstvkcommandpool.h"
/**
* SECTION:vkcommandpool
* @title: GstVulkanCommandPool
* @short_description: Vulkan command pool
* @see_also: #GstVulkanDevice
*/
#define GST_CAT_DEFAULT gst_vulkan_command_pool_debug #define GST_CAT_DEFAULT gst_vulkan_command_pool_debug
GST_DEBUG_CATEGORY (GST_CAT_DEFAULT); GST_DEBUG_CATEGORY (GST_CAT_DEFAULT);
@ -63,6 +70,14 @@ gst_vulkan_command_pool_dispose (GObject * object)
G_OBJECT_CLASS (parent_class)->dispose (object); G_OBJECT_CLASS (parent_class)->dispose (object);
} }
/**
* gst_vulkan_command_pool_get_queue
* @pool: a #GstVulkanCommandPool
*
* Returns: (transfer full): the parent #GstVulkanQueue for this command pool
*
* Since: 1.18
*/
GstVulkanQueue * GstVulkanQueue *
gst_vulkan_command_pool_get_queue (GstVulkanCommandPool * pool) gst_vulkan_command_pool_get_queue (GstVulkanCommandPool * pool)
{ {
@ -71,6 +86,15 @@ gst_vulkan_command_pool_get_queue (GstVulkanCommandPool * pool)
return pool->queue ? gst_object_ref (pool->queue) : NULL; return pool->queue ? gst_object_ref (pool->queue) : NULL;
} }
/**
* gst_vulkan_command_pool_create: (skip)
* @pool: a #GstVulkanCommandPool
* @error: a #GError
*
* Returns: a new primary VkCommandBuffer
*
* Since: 1.18
*/
VkCommandBuffer VkCommandBuffer
gst_vulkan_command_pool_create (GstVulkanCommandPool * pool, GError ** error) gst_vulkan_command_pool_create (GstVulkanCommandPool * pool, GError ** error)
{ {

4
gst-libs/gst/vulkan/gstvkcommandpool.h
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@ -1,6 +1,6 @@
/* /*
* GStreamer * GStreamer
* Copyright (C) 2015 Matthew Waters <matthew@centricular.com> * Copyright (C) 2019 Matthew Waters <matthew@centricular.com>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public * modify it under the terms of the GNU Library General Public
@ -21,7 +21,7 @@
#ifndef __GST_VULKAN_COMMAND_POOL_H__ #ifndef __GST_VULKAN_COMMAND_POOL_H__
#define __GST_VULKAN_COMMAND_POOL_H__ #define __GST_VULKAN_COMMAND_POOL_H__
#include <gst/vulkan/vulkan.h> #include <gst/vulkan/gstvkqueue.h>
#define GST_TYPE_VULKAN_COMMAND_POOL (gst_vulkan_command_pool_get_type()) #define GST_TYPE_VULKAN_COMMAND_POOL (gst_vulkan_command_pool_get_type())
#define GST_VULKAN_COMMAND_POOL(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_TYPE_VULKAN_COMMAND_POOL, GstVulkanCommandPool)) #define GST_VULKAN_COMMAND_POOL(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_TYPE_VULKAN_COMMAND_POOL, GstVulkanCommandPool))

106
gst-libs/gst/vulkan/gstvkdevice.c
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@ -26,6 +26,15 @@
#include <string.h> #include <string.h>
/**
* SECTION:vkdevice
* @title: GstVulkanDevice
* @short_description: Vulkan device
* @see_also: #GstVulkanInstance
*
* A #GstVulkanDevice encapsulates a VkDevice
*/
#define GST_CAT_DEFAULT gst_vulkan_device_debug #define GST_CAT_DEFAULT gst_vulkan_device_debug
GST_DEBUG_CATEGORY (GST_CAT_DEFAULT); GST_DEBUG_CATEGORY (GST_CAT_DEFAULT);
GST_DEBUG_CATEGORY_STATIC (GST_CAT_CONTEXT); GST_DEBUG_CATEGORY_STATIC (GST_CAT_CONTEXT);
@ -44,6 +53,14 @@ G_DEFINE_TYPE_WITH_CODE (GstVulkanDevice, gst_vulkan_device, GST_TYPE_OBJECT,
"Vulkan Device"); "Vulkan Device");
GST_DEBUG_CATEGORY_GET (GST_CAT_CONTEXT, "GST_CONTEXT")); GST_DEBUG_CATEGORY_GET (GST_CAT_CONTEXT, "GST_CONTEXT"));
/**
* gst_vulkan_device_new:
* @instance: the parent #GstVulkanInstance
*
* Returns: (transfer full): a new #GstVulkanDevice
*
* Since: 1.18
*/
GstVulkanDevice * GstVulkanDevice *
gst_vulkan_device_new (GstVulkanInstance * instance) gst_vulkan_device_new (GstVulkanInstance * instance)
{ {
@ -139,6 +156,17 @@ _physical_device_info (GstVulkanDevice * device, GError ** error)
return TRUE; return TRUE;
} }
/**
* gst_vulkan_device_open:
* @device: a #GstVulkanDevice
* @error: a #GError
*
* Attempts to create the internal #VkDevice object.
*
* Returns: whether a vulkan device could be created
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_device_open (GstVulkanDevice * device, GError ** error) gst_vulkan_device_open (GstVulkanDevice * device, GError ** error)
{ {
@ -290,6 +318,16 @@ error:
} }
} }
/**
* gst_vulkan_device_get_queue:
* @device: a #GstVulkanDevice
* @queue_family: a queue family to retrieve
* @queue_i: index of the family to retrieve
*
* Returns: (transfer full): a new #GstVulkanQueue
*
* Since: 1.18
*/
GstVulkanQueue * GstVulkanQueue *
gst_vulkan_device_get_queue (GstVulkanDevice * device, guint32 queue_family, gst_vulkan_device_get_queue (GstVulkanDevice * device, guint32 queue_family,
guint32 queue_i) guint32 queue_i)
@ -313,6 +351,16 @@ gst_vulkan_device_get_queue (GstVulkanDevice * device, guint32 queue_family,
return ret; return ret;
} }
/**
* gst_vulkan_device_foreach_queue:
* @device: a #GstVulkanDevice
* @func: (scope call): a #GstVulkanDeviceForEachQueueFunc to run for each #GstVulkanQueue
* @user_data: (closure func): user data to pass to each call of @func
*
* Iterate over each queue family available on #GstVulkanDevice
*
* Since: 1.18
*/
void void
gst_vulkan_device_foreach_queue (GstVulkanDevice * device, gst_vulkan_device_foreach_queue (GstVulkanDevice * device,
GstVulkanDeviceForEachQueueFunc func, gpointer user_data) GstVulkanDeviceForEachQueueFunc func, gpointer user_data)
@ -334,6 +382,17 @@ gst_vulkan_device_foreach_queue (GstVulkanDevice * device,
} }
} }
/**
* gst_vulkan_device_get_proc_address:
* @device: a #GstVulkanDevice
* @name: name of the function to retrieve
*
* Performs vkGetDeviceProcAddr() with @device and @name
*
* Returns: the function pointer for @name or %NULL
*
* Since: 1.18
*/
gpointer gpointer
gst_vulkan_device_get_proc_address (GstVulkanDevice * device, gst_vulkan_device_get_proc_address (GstVulkanDevice * device,
const gchar * name) const gchar * name)
@ -347,6 +406,14 @@ gst_vulkan_device_get_proc_address (GstVulkanDevice * device,
return vkGetDeviceProcAddr (device->device, name); return vkGetDeviceProcAddr (device->device, name);
} }
/**
* gst_vulkan_device_get_instance:
* @device: a #GstVulkanDevice
*
* Returns: (transfer full): the #GstVulkanInstance used to create this @device
*
* Since: 1.18
*/
GstVulkanInstance * GstVulkanInstance *
gst_vulkan_device_get_instance (GstVulkanDevice * device) gst_vulkan_device_get_instance (GstVulkanDevice * device)
{ {
@ -355,6 +422,14 @@ gst_vulkan_device_get_instance (GstVulkanDevice * device)
return device->instance ? gst_object_ref (device->instance) : NULL; return device->instance ? gst_object_ref (device->instance) : NULL;
} }
/**
* gst_vulkan_device_get_physical_device: (skip)
* @device: a #GstVulkanDevice
*
* Returns: The VkPhysicalDevice used to create @device
*
* Since: 1.18
*/
VkPhysicalDevice VkPhysicalDevice
gst_vulkan_device_get_physical_device (GstVulkanDevice * device) gst_vulkan_device_get_physical_device (GstVulkanDevice * device)
{ {
@ -375,7 +450,7 @@ gst_vulkan_device_get_physical_device (GstVulkanDevice * device)
* *
* Sets @device on @context * Sets @device on @context
* *
* Since: 1.10 * Since: 1.18
*/ */
void void
gst_context_set_vulkan_device (GstContext * context, GstVulkanDevice * device) gst_context_set_vulkan_device (GstContext * context, GstVulkanDevice * device)
@ -402,7 +477,7 @@ gst_context_set_vulkan_device (GstContext * context, GstVulkanDevice * device)
* *
* Returns: Whether @device was in @context * Returns: Whether @device was in @context
* *
* Since: 1.10 * Since: 1.18
*/ */
gboolean gboolean
gst_context_get_vulkan_device (GstContext * context, GstVulkanDevice ** device) gst_context_get_vulkan_device (GstContext * context, GstVulkanDevice ** device)
@ -423,6 +498,21 @@ gst_context_get_vulkan_device (GstContext * context, GstVulkanDevice ** device)
return ret; return ret;
} }
/**
* gst_vulkan_device_handle_context_query:
* @element: a #GstElement
* @query: a #GstQuery of type #GST_QUERY_CONTEXT
* @device: the #GstVulkanDevice
*
* If a #GstVulkanDevice is requested in @query, sets @device as the reply.
*
* Intended for use with element query handlers to respond to #GST_QUERY_CONTEXT
* for a #GstVulkanDevice.
*
* Returns: whether @query was responded to with @device
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_device_handle_context_query (GstElement * element, GstQuery * query, gst_vulkan_device_handle_context_query (GstElement * element, GstQuery * query,
GstVulkanDevice ** device) GstVulkanDevice ** device)
@ -456,6 +546,18 @@ gst_vulkan_device_handle_context_query (GstElement * element, GstQuery * query,
return res; return res;
} }
/**
* gst_vulkan_device_run_context_query:
* @element: a #GstElement
* @device: (inout): a #GstVulkanDevice
*
* Attempt to retrieve a #GstVulkanDevice using #GST_QUERY_CONTEXT from the
* surrounding elements of @element.
*
* Returns: whether @device contains a valid #GstVulkanDevice
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_device_run_context_query (GstElement * element, gst_vulkan_device_run_context_query (GstElement * element,
GstVulkanDevice ** device) GstVulkanDevice ** device)

9
gst-libs/gst/vulkan/gstvkdevice.h
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@ -21,9 +21,8 @@
#ifndef __GST_VULKAN_DEVICE_H__ #ifndef __GST_VULKAN_DEVICE_H__
#define __GST_VULKAN_DEVICE_H__ #define __GST_VULKAN_DEVICE_H__
#include <gst/gst.h> #include <gst/vulkan/gstvkinstance.h>
#include <gst/vulkan/gstvkqueue.h>
#include <gst/vulkan/vulkan.h>
G_BEGIN_DECLS G_BEGIN_DECLS
@ -87,10 +86,6 @@ GstVulkanQueue * gst_vulkan_device_get_queue (GstVulkanDevice * d
guint32 queue_i); guint32 queue_i);
GST_VULKAN_API GST_VULKAN_API
VkPhysicalDevice gst_vulkan_device_get_physical_device (GstVulkanDevice * device); VkPhysicalDevice gst_vulkan_device_get_physical_device (GstVulkanDevice * device);
GST_VULKAN_API
gboolean gst_vulkan_device_create_cmd_buffer (GstVulkanDevice * device,
VkCommandBuffer * cmd,
GError ** error);
GST_VULKAN_API GST_VULKAN_API
void gst_context_set_vulkan_device (GstContext * context, void gst_context_set_vulkan_device (GstContext * context,

95
gst-libs/gst/vulkan/gstvkdisplay.c
View File

@ -1,9 +1,6 @@
/* /*
* GStreamer * GStreamer
* Copyright (C) 2007 David A. Schleef <ds@schleef.org> * Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
* Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com>
* Copyright (C) 2013 Matthew Waters <ystreet00@gmail.com>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public * modify it under the terms of the GNU Library General Public
@ -40,6 +37,15 @@
#include "ios/gstvkdisplay_ios.h" #include "ios/gstvkdisplay_ios.h"
#endif #endif
/**
* SECTION:vkdisplay
* @title: GstVulkanDisplay
* @short_description: window system display
* @see_also: #GstVulkanInstance, #GstVulkanWindow
*
* A #GstVulkanDisplay represents a connection to a display server on the platform
*/
GST_DEBUG_CATEGORY_STATIC (GST_CAT_CONTEXT); GST_DEBUG_CATEGORY_STATIC (GST_CAT_CONTEXT);
#define GST_CAT_DEFAULT gst_vulkan_display_debug #define GST_CAT_DEFAULT gst_vulkan_display_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT); GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
@ -168,6 +174,16 @@ gst_vulkan_display_finalize (GObject * object)
G_OBJECT_CLASS (gst_vulkan_display_parent_class)->finalize (object); G_OBJECT_CLASS (gst_vulkan_display_parent_class)->finalize (object);
} }
/**
* gst_vulkan_display_new_with_type:
* @instance: a #GstVulkanInstance
* @type: the #GstVulkanDisplayType to create
*
* Returns: (transfer full): a new #GstVulkanDisplay or %NULL if e.g. @type is
* unsupported
*
* Since: 1.18
*/
GstVulkanDisplay * GstVulkanDisplay *
gst_vulkan_display_new_with_type (GstVulkanInstance * instance, gst_vulkan_display_new_with_type (GstVulkanInstance * instance,
GstVulkanDisplayType type) GstVulkanDisplayType type)
@ -198,7 +214,7 @@ gst_vulkan_display_new_with_type (GstVulkanInstance * instance,
* *
* Returns: (transfer full): a new #GstVulkanDisplay * Returns: (transfer full): a new #GstVulkanDisplay
* *
* Since: 1.10 * Since: 1.18
*/ */
GstVulkanDisplay * GstVulkanDisplay *
gst_vulkan_display_new (GstVulkanInstance * instance) gst_vulkan_display_new (GstVulkanInstance * instance)
@ -227,7 +243,7 @@ gst_vulkan_display_new (GstVulkanInstance * instance)
* *
* Returns: the winsys specific handle of @display * Returns: the winsys specific handle of @display
* *
* Since: 1.10 * Since: 1.18
*/ */
gpointer gpointer
gst_vulkan_display_get_handle (GstVulkanDisplay * display) gst_vulkan_display_get_handle (GstVulkanDisplay * display)
@ -253,7 +269,7 @@ gst_vulkan_display_default_get_handle (GstVulkanDisplay * display)
* *
* Returns: the #GstVulkanDisplayType of @display * Returns: the #GstVulkanDisplayType of @display
* *
* Since: 1.10 * Since: 1.18
*/ */
GstVulkanDisplayType GstVulkanDisplayType
gst_vulkan_display_get_handle_type (GstVulkanDisplay * display) gst_vulkan_display_get_handle_type (GstVulkanDisplay * display)
@ -268,7 +284,9 @@ gst_vulkan_display_get_handle_type (GstVulkanDisplay * display)
* gst_vulkan_display_create_window: * gst_vulkan_display_create_window:
* @display: a #GstVulkanDisplay * @display: a #GstVulkanDisplay
* *
* Returns: a new #GstVulkanWindow for @display or %NULL. * Returns: (transfer full): a new #GstVulkanWindow for @display or %NULL.
*
* Since: 1.18
*/ */
GstVulkanWindow * GstVulkanWindow *
gst_vulkan_display_create_window (GstVulkanDisplay * display) gst_vulkan_display_create_window (GstVulkanDisplay * display)
@ -326,6 +344,15 @@ _find_window_list_item (GstVulkanDisplay * display, GstVulkanWindow * window)
return l; return l;
} }
/**
* gst_vulkan_display_remove_window:
* @display: a #GstVUlkanDisplay:
* @window: the #GstVulkanWindow to remove
*
* Returns: whether the window was successfully removed
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_display_remove_window (GstVulkanDisplay * display, gst_vulkan_display_remove_window (GstVulkanDisplay * display,
GstVulkanWindow * window) GstVulkanWindow * window)
@ -353,7 +380,7 @@ gst_vulkan_display_remove_window (GstVulkanDisplay * display,
* *
* Sets @display on @context * Sets @display on @context
* *
* Since: 1.10 * Since: 1.18
*/ */
void void
gst_context_set_vulkan_display (GstContext * context, gst_context_set_vulkan_display (GstContext * context,
@ -381,7 +408,7 @@ gst_context_set_vulkan_display (GstContext * context,
* *
* Returns: Whether @display was in @context * Returns: Whether @display was in @context
* *
* Since: 1.10 * Since: 1.18
*/ */
gboolean gboolean
gst_context_get_vulkan_display (GstContext * context, gst_context_get_vulkan_display (GstContext * context,
@ -403,6 +430,18 @@ gst_context_get_vulkan_display (GstContext * context,
return ret; return ret;
} }
/**
* gst_vulkan_display_choose_type:
* @instance: a #GstVulkanInstance
*
* This function will read the %GST_VULKAN_WINDOW environment variable for
* a user choice or choose the first supported implementation.
*
* Returns: the default #GstVulkanDisplayType #GstVulkanInstance will choose
* on creation
*
* Since: 1.18
*/
GstVulkanDisplayType GstVulkanDisplayType
gst_vulkan_display_choose_type (GstVulkanInstance * instance) gst_vulkan_display_choose_type (GstVulkanInstance * instance)
{ {
@ -447,6 +486,15 @@ gst_vulkan_display_choose_type (GstVulkanInstance * instance)
return GST_VULKAN_DISPLAY_TYPE_NONE; return GST_VULKAN_DISPLAY_TYPE_NONE;
} }
/**
* gst_vulkan_display_type_to_extension_string:
* @type: a #GstVulkanDisplayType
*
* Returns: the Vulkan extension string required for creating a VkSurfaceKHR
* using a window system handle or %NULL
*
* Since: 1.18
*/
const gchar * const gchar *
gst_vulkan_display_type_to_extension_string (GstVulkanDisplayType type) gst_vulkan_display_type_to_extension_string (GstVulkanDisplayType type)
{ {
@ -474,6 +522,21 @@ gst_vulkan_display_type_to_extension_string (GstVulkanDisplayType type)
return NULL; return NULL;
} }
/**
* gst_vulkan_display_handle_context_query:
* @element: a #GstElement
* @query: a #GstQuery of type #GST_QUERY_CONTEXT
* @display: the #GstVulkanDisplay
*
* If a #GstVulkanDisplay is requested in @query, sets @device as the reply.
*
* Intended for use with element query handlers to respond to #GST_QUERY_CONTEXT
* for a #GstVulkanDisplay.
*
* Returns: whether @query was responded to with @display
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_display_handle_context_query (GstElement * element, GstQuery * query, gst_vulkan_display_handle_context_query (GstElement * element, GstQuery * query,
GstVulkanDisplay ** display) GstVulkanDisplay ** display)
@ -507,6 +570,18 @@ gst_vulkan_display_handle_context_query (GstElement * element, GstQuery * query,
return res; return res;
} }
/**
* gst_vulkan_display_run_context_query:
* @element: a #GstElement
* @display: (inout): a #GstVulkanDisplay
*
* Attempt to retrieve a #GstVulkanDisplay using #GST_QUERY_CONTEXT from the
* surrounding elements of @element.
*
* Returns: whether @display contains a valid #GstVulkanDisplay
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_display_run_context_query (GstElement * element, gst_vulkan_display_run_context_query (GstElement * element,
GstVulkanDisplay ** display) GstVulkanDisplay ** display)

24
gst-libs/gst/vulkan/gstvkdisplay.h
View File

@ -1,9 +1,6 @@
/* /*
* GStreamer * GStreamer
* Copyright (C) 2007 David A. Schleef <ds@schleef.org> * Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
* Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com>
* Copyright (C) 2013 Matthew Waters <ystreet00@gmail.com>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public * modify it under the terms of the GNU Library General Public
@ -26,7 +23,8 @@
#include <gst/gst.h> #include <gst/gst.h>
#include <gst/vulkan/vulkan.h> #include <gst/vulkan/gstvkwindow.h>
#include <gst/vulkan/gstvkinstance.h>
G_BEGIN_DECLS G_BEGIN_DECLS
@ -42,7 +40,19 @@ GType gst_vulkan_display_get_type (void);
#define GST_VULKAN_DISPLAY_CONTEXT_TYPE_STR "gst.vulkan.display" #define GST_VULKAN_DISPLAY_CONTEXT_TYPE_STR "gst.vulkan.display"
enum _GstVulkanDisplayType typedef struct _GstVulkanDisplay GstVulkanDisplay;
typedef struct _GstVulkanDisplayClass GstVulkanDisplayClass;
typedef struct _GstVulkanDisplayPrivate GstVulkanDisplayPrivate;
/**
* GstVulkanDisplayType:
* @GST_VULKAN_DISPLAY_TYPE_NONE: no display
* @GST_VULKAN_DISPLAY_TYPE_XCB: XCB display
* @GST_VULKAN_DISPLAY_TYPE_WAYLAND: wayland display
* @GST_VULKAN_DISPLAY_TYPE_COCOA: cocoa display for macOS
* @GST_VULKAN_DISPLAY_TYPE_IOS: ios display
*/
typedef enum
{ {
GST_VULKAN_DISPLAY_TYPE_NONE = 0, GST_VULKAN_DISPLAY_TYPE_NONE = 0,
GST_VULKAN_DISPLAY_TYPE_XCB = (1 << 0), GST_VULKAN_DISPLAY_TYPE_XCB = (1 << 0),
@ -51,7 +61,7 @@ enum _GstVulkanDisplayType
GST_VULKAN_DISPLAY_TYPE_IOS = (1 << 3), GST_VULKAN_DISPLAY_TYPE_IOS = (1 << 3),
GST_VULKAN_DISPLAY_TYPE_ANY = G_MAXUINT32 GST_VULKAN_DISPLAY_TYPE_ANY = G_MAXUINT32
}; } GstVulkanDisplayType;
/** /**
* GstVulkanDisplay: * GstVulkanDisplay:

21
gst-libs/gst/vulkan/gstvkerror.c
View File

@ -74,6 +74,20 @@ _vk_result_to_string (VkResult result)
return "Unknown Error"; return "Unknown Error";
} }
/**
* gst_vulkan_error_to_g_error: (skip)
* @result: a VkResult
* @error: (inout) (optional): a #GError to fill
* @format: the printf-like format to write into the #GError
* @...: arguments for @format
*
* if @result indicates an error condition, fills out #Gerror with details of
* the error
*
* Returns: @result for easy chaining
*
* Since: 1.18
*/
VkResult VkResult
gst_vulkan_error_to_g_error (VkResult result, GError ** error, gst_vulkan_error_to_g_error (VkResult result, GError ** error,
const char *format, ...) const char *format, ...)
@ -87,8 +101,13 @@ gst_vulkan_error_to_g_error (VkResult result, GError ** error,
return result; return result;
result_str = _vk_result_to_string (result); result_str = _vk_result_to_string (result);
if (result_str == NULL) if (result_str == NULL) {
if (result < 0) {
result_str = "Unknown";
} else {
return result; return result;
}
}
va_start (args, format); va_start (args, format);
g_vasprintf (&string, format, args); g_vasprintf (&string, format, args);

27
gst-libs/gst/vulkan/gstvkfence.c
View File

@ -24,6 +24,15 @@
#include "gstvkfence.h" #include "gstvkfence.h"
/**
* SECTION:vkfence
* @title: GstVulkanFence
* @short_description: Vulkan fences
* @see_also: #GstVulkanDevice
*
* A #GstVulkanFence encapsulates a VkFence
*/
GST_DEBUG_CATEGORY (gst_debug_vulkan_fence); GST_DEBUG_CATEGORY (gst_debug_vulkan_fence);
#define GST_CAT_DEFAULT gst_debug_vulkan_fence #define GST_CAT_DEFAULT gst_debug_vulkan_fence
@ -54,6 +63,16 @@ gst_vulkan_fence_free (GstVulkanFence * fence)
g_free (fence); g_free (fence);
} }
/**
* gst_vulkan_fence_new:
* @device: the parent #GstVulkanDevice
* @flags: set of flags to create the fence with
* @error: a #GError for the failure condition
*
* Returns: whether a new #GstVulkanFence or %NULL on error
*
* Since: 1.18
*/
GstVulkanFence * GstVulkanFence *
gst_vulkan_fence_new (GstVulkanDevice * device, VkFenceCreateFlags flags, gst_vulkan_fence_new (GstVulkanDevice * device, VkFenceCreateFlags flags,
GError ** error) GError ** error)
@ -86,6 +105,14 @@ gst_vulkan_fence_new (GstVulkanDevice * device, VkFenceCreateFlags flags,
return fence; return fence;
} }
/**
* gst_vulkan_fence_is_signaled:
* @fence: a #GstVulkanFence
*
* Returns: whether @fence has been signalled
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_fence_is_signaled (GstVulkanFence * fence) gst_vulkan_fence_is_signaled (GstVulkanFence * fence)
{ {

6
gst-libs/gst/vulkan/gstvkfence.h
View File

@ -23,6 +23,8 @@
#include <gst/vulkan/vulkan.h> #include <gst/vulkan/vulkan.h>
G_BEGIN_DECLS
#define GST_TYPE_VULKAN_FENCE (gst_vulkan_fence_get_type ()) #define GST_TYPE_VULKAN_FENCE (gst_vulkan_fence_get_type ())
GST_VULKAN_API GST_VULKAN_API
GType gst_vulkan_fence_get_type (void); GType gst_vulkan_fence_get_type (void);
@ -30,8 +32,6 @@ GType gst_vulkan_fence_get_type (void);
#define GST_VULKAN_FENCE_CAST(f) ((GstVulkanFence *) f) #define GST_VULKAN_FENCE_CAST(f) ((GstVulkanFence *) f)
#define GST_VULKAN_FENCE_FENCE(f) (GST_VULKAN_FENCE_CAST(f)->fence) #define GST_VULKAN_FENCE_FENCE(f) (GST_VULKAN_FENCE_CAST(f)->fence)
G_BEGIN_DECLS
struct _GstVulkanFence struct _GstVulkanFence
{ {
GstMiniObject parent; GstMiniObject parent;
@ -46,8 +46,6 @@ GstVulkanFence * gst_vulkan_fence_new (GstVulkanDevice * device,
VkFenceCreateFlags flags, VkFenceCreateFlags flags,
GError ** error); GError ** error);
GST_VULKAN_API GST_VULKAN_API
GstVulkanFence * gst_vulkan_fence_wait (GstVulkanFence * fence);
GST_VULKAN_API
gboolean gst_vulkan_fence_is_signaled (GstVulkanFence * fence); gboolean gst_vulkan_fence_is_signaled (GstVulkanFence * fence);
static inline GstVulkanFence * static inline GstVulkanFence *

68
gst-libs/gst/vulkan/gstvkimagememory.c
View File

@ -26,7 +26,7 @@
/** /**
* SECTION:vkimagememory * SECTION:vkimagememory
* @title: GstVkImageMemory * @title: GstVulkanImageMemory
* @short_description: memory subclass for Vulkan image memory * @short_description: memory subclass for Vulkan image memory
* @see_also: #GstMemory, #GstAllocator * @see_also: #GstMemory, #GstAllocator
* *
@ -39,6 +39,15 @@ GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFUALT);
static GstAllocator *_vulkan_image_memory_allocator; static GstAllocator *_vulkan_image_memory_allocator;
/**
* gst_vulkan_format_from_video_format: (skip)
* @v_format: the #GstVideoFormat
* @plane: the plane
*
* Returns: the VkFormat to use for @v_format and @plane
*
* Since: 1.18
*/
VkFormat VkFormat
gst_vulkan_format_from_video_format (GstVideoFormat v_format, guint plane) gst_vulkan_format_from_video_format (GstVideoFormat v_format, guint plane)
{ {
@ -437,6 +446,16 @@ _access_flags_from_layout (VkImageLayout image_layout)
return 0; return 0;
} }
/**
* gst_vulkan_image_memory_set_layout:
* @vk_mem: a #GstVulkanImageMemory
* @image_layout: the new iamge layout
* @barrier: (inout): the barrier to fill
*
* Returns: wether the layout could be performed
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_image_memory_set_layout (GstVulkanImageMemory * vk_mem, gst_vulkan_image_memory_set_layout (GstVulkanImageMemory * vk_mem,
VkImageLayout image_layout, VkImageMemoryBarrier * barrier) VkImageLayout image_layout, VkImageMemoryBarrier * barrier)
@ -463,10 +482,19 @@ gst_vulkan_image_memory_set_layout (GstVulkanImageMemory * vk_mem,
/** /**
* gst_vulkan_image_memory_alloc: * gst_vulkan_image_memory_alloc:
* @device: a #GstVulkanDevice
* @format: the VkFormat for the new image
* @width: width for the new image
* @height: height for the new image
* @tiling: tiling for the new image
* @usage: usage flags for the new image
* @mem_prop_flags: VkDeviceMemory property flags for the new image
* *
* Allocated a new #GstVulkanImageMemory. * Allocated a new #GstVulkanImageMemory.
* *
* Returns: a #GstMemory object backed by a vulkan device memory * Returns: a #GstMemory object backed by a vulkan device memory
*
* Since: 1.18
*/ */
GstMemory * GstMemory *
gst_vulkan_image_memory_alloc (GstVulkanDevice * device, VkFormat format, gst_vulkan_image_memory_alloc (GstVulkanDevice * device, VkFormat format,
@ -481,6 +509,22 @@ gst_vulkan_image_memory_alloc (GstVulkanDevice * device, VkFormat format,
return (GstMemory *) mem; return (GstMemory *) mem;
} }
/**
* gst_vulkan_image_memory_wrapped:
* @device: a #GstVulkanDevice
* @image: a VkImage
* @format: the VkFormat for @image
* @width: width of @image
* @height: height of @image
* @tiling: tiling of @image
* @usage: usage flags of @image
* @user_data: (nullable): user data for @notify
* @notify: a #DestroyNotify when @image is no longer needed
*
* Return: a new #GstVulkanImageMemory wrapping @image
*
* Since: 1.18
*/
GstMemory * GstMemory *
gst_vulkan_image_memory_wrapped (GstVulkanDevice * device, VkImage image, gst_vulkan_image_memory_wrapped (GstVulkanDevice * device, VkImage image,
VkFormat format, gsize width, gsize height, VkImageTiling tiling, VkFormat format, gsize width, gsize height, VkImageTiling tiling,
@ -494,6 +538,14 @@ gst_vulkan_image_memory_wrapped (GstVulkanDevice * device, VkImage image,
return (GstMemory *) mem; return (GstMemory *) mem;
} }
/**
* gst_vulkan_image_memory_get_width:
* @image: a #GstVulkanImageMemory
*
* Return: the width of @image
*
* Since: 1.18
*/
guint32 guint32
gst_vulkan_image_memory_get_width (GstVulkanImageMemory * image) gst_vulkan_image_memory_get_width (GstVulkanImageMemory * image)
{ {
@ -503,6 +555,14 @@ gst_vulkan_image_memory_get_width (GstVulkanImageMemory * image)
return image->create_info.extent.width; return image->create_info.extent.width;
} }
/**
* gst_vulkan_image_memory_get_height:
* @image: a #GstVulkanImageMemory
*
* Return: the height of @image
*
* Since: 1.18
*/
guint32 guint32
gst_vulkan_image_memory_get_height (GstVulkanImageMemory * image) gst_vulkan_image_memory_get_height (GstVulkanImageMemory * image)
{ {
@ -542,8 +602,10 @@ gst_vulkan_image_memory_allocator_init (GstVulkanImageMemoryAllocator *
/** /**
* gst_vulkan_image_memory_init_once: * gst_vulkan_image_memory_init_once:
* *
* Initializes the Vulkan memory allocator. It is safe to call this function * Initializes the Vulkan image memory allocator. It is safe to call this function
* multiple times. This must be called before any other #GstVulkanImageMemory operation. * multiple times. This must be called before any other #GstVulkanImageMemory operation.
*
* Since: 1.18
*/ */
void void
gst_vulkan_image_memory_init_once (void) gst_vulkan_image_memory_init_once (void)
@ -569,6 +631,8 @@ gst_vulkan_image_memory_init_once (void)
* @mem: a #GstMemory * @mem: a #GstMemory
* *
* Returns: whether the memory at @mem is a #GstVulkanImageMemory * Returns: whether the memory at @mem is a #GstVulkanImageMemory
*
* Since: 1.18
*/ */
gboolean gboolean
gst_is_vulkan_image_memory (GstMemory * mem) gst_is_vulkan_image_memory (GstMemory * mem)

14
gst-libs/gst/vulkan/gstvkimagememory.h
View File

@ -21,14 +21,10 @@
#ifndef __GST_VULKAN_IMAGE_MEMORY_H__ #ifndef __GST_VULKAN_IMAGE_MEMORY_H__
#define __GST_VULKAN_IMAGE_MEMORY_H__ #define __GST_VULKAN_IMAGE_MEMORY_H__
#include <gst/gst.h> #include <gst/vulkan/gstvkdevice.h>
#include <gst/gstallocator.h>
#include <gst/gstmemory.h>
#include <gst/video/video.h> #include <gst/video/video.h>
#include <gst/vulkan/vulkan.h>
G_BEGIN_DECLS G_BEGIN_DECLS
#define GST_TYPE_VULKAN_IMAGE_MEMORY_ALLOCATOR (gst_vulkan_image_memory_allocator_get_type()) #define GST_TYPE_VULKAN_IMAGE_MEMORY_ALLOCATOR (gst_vulkan_image_memory_allocator_get_type())
@ -43,7 +39,11 @@ GType gst_vulkan_image_memory_allocator_get_type(void);
#define GST_VULKAN_IMAGE_MEMORY_ALLOCATOR_CAST(obj) ((GstVulkanImageMemoryAllocator *)(obj)) #define GST_VULKAN_IMAGE_MEMORY_ALLOCATOR_CAST(obj) ((GstVulkanImageMemoryAllocator *)(obj))
#define GST_VULKAN_IMAGE_MEMORY_ALLOCATOR_NAME "VulkanImage" #define GST_VULKAN_IMAGE_MEMORY_ALLOCATOR_NAME "VulkanImage"
#define GST_CAPS_FEATURE_MEMORY_VULKAN_IMAGE "memory:" GST_VULKAN_IMAGE_MEMORY_ALLOCATOR_NAME #define GST_CAPS_FEATURE_MEMORY_VULKAN_IMAGE "memory:VulkanImage"
typedef struct _GstVulkanImageMemory GstVulkanImageMemory;
typedef struct _GstVulkanImageMemoryAllocator GstVulkanImageMemoryAllocator;
typedef struct _GstVulkanImageMemoryAllocatorClass GstVulkanImageMemoryAllocatorClass;
struct _GstVulkanImageMemory struct _GstVulkanImageMemory
{ {
@ -114,7 +114,7 @@ GstMemory * gst_vulkan_image_memory_wrapped (GstVulkanDevice * devic
GST_VULKAN_API GST_VULKAN_API
gboolean gst_vulkan_image_memory_set_layout (GstVulkanImageMemory * vk_mem, gboolean gst_vulkan_image_memory_set_layout (GstVulkanImageMemory * vk_mem,
VkImageLayout, VkImageLayout image_layout,
VkImageMemoryBarrier * barrier); VkImageMemoryBarrier * barrier);
GST_VULKAN_API GST_VULKAN_API

73
gst-libs/gst/vulkan/gstvkinstance.c
View File

@ -26,6 +26,16 @@
#include <string.h> #include <string.h>
/**
* SECTION:vkinstance
* @title: GstVulkanInstance
* @short_description: memory subclass for Vulkan image memory
* @see_also: #GstMemory, #GstAllocator
*
* GstVulkanImageMemory is a #GstMemory subclass providing support for the
* mapping of Vulkan device memory.
*/
#define APP_SHORT_NAME "GStreamer" #define APP_SHORT_NAME "GStreamer"
#define GST_CAT_DEFAULT gst_vulkan_instance_debug #define GST_CAT_DEFAULT gst_vulkan_instance_debug
@ -89,7 +99,9 @@ gst_vulkan_instance_class_init (GstVulkanInstanceClass * klass)
* Overrides the #GstVulkanDevice creation mechanism. * Overrides the #GstVulkanDevice creation mechanism.
* It can be called from any thread. * It can be called from any thread.
* *
* Returns: the newly created #GstVulkanDevice. * Returns: (transfer full): the newly created #GstVulkanDevice.
*
* Since: 1.18
*/ */
gst_vulkan_instance_signals[SIGNAL_CREATE_DEVICE] = gst_vulkan_instance_signals[SIGNAL_CREATE_DEVICE] =
g_signal_new ("create-device", G_TYPE_FROM_CLASS (klass), g_signal_new ("create-device", G_TYPE_FROM_CLASS (klass),
@ -155,6 +167,15 @@ _gst_vk_debug_callback (VkDebugReportFlagsEXT msgFlags,
return FALSE; return FALSE;
} }
/**
* gst_vulkan_instance_open:
* @instance: a #GstVulkanInstance
* @error: #GError
*
* Returns: whether the instance vould be created
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_instance_open (GstVulkanInstance * instance, GError ** error) gst_vulkan_instance_open (GstVulkanInstance * instance, GError ** error)
{ {
@ -373,6 +394,17 @@ error:
} }
} }
/**
* gst_vulkan_instance_get_proc_address:
* @instance: a #GstVulkanInstance
* @name: name of the function to retrieve
*
* Performs vkGetInstanceProcAddr() with @instance and @name
*
* Returns: the function pointer for @name or %NULL
*
* Since: 1.18
*/
gpointer gpointer
gst_vulkan_instance_get_proc_address (GstVulkanInstance * instance, gst_vulkan_instance_get_proc_address (GstVulkanInstance * instance,
const gchar * name) const gchar * name)
@ -386,6 +418,14 @@ gst_vulkan_instance_get_proc_address (GstVulkanInstance * instance,
return vkGetInstanceProcAddr (instance->instance, name); return vkGetInstanceProcAddr (instance->instance, name);
} }
/**
* gst_vulkan_instance_create_device:
* @instance: a #GstVulkanIncstance
*
* Returns: (transfer full): a new #GstVulkanDevice
*
* Since: 1.18
*/
GstVulkanDevice * GstVulkanDevice *
gst_vulkan_instance_create_device (GstVulkanInstance * instance, gst_vulkan_instance_create_device (GstVulkanInstance * instance,
GError ** error) GError ** error)
@ -415,7 +455,7 @@ gst_vulkan_instance_create_device (GstVulkanInstance * instance,
* *
* Sets @instance on @context * Sets @instance on @context
* *
* Since: 1.10 * Since: 1.18
*/ */
void void
gst_context_set_vulkan_instance (GstContext * context, gst_context_set_vulkan_instance (GstContext * context,
@ -443,7 +483,7 @@ gst_context_set_vulkan_instance (GstContext * context,
* *
* Returns: Whether @instance was in @context * Returns: Whether @instance was in @context
* *
* Since: 1.10 * Since: 1.18
*/ */
gboolean gboolean
gst_context_get_vulkan_instance (GstContext * context, gst_context_get_vulkan_instance (GstContext * context,
@ -465,6 +505,21 @@ gst_context_get_vulkan_instance (GstContext * context,
return ret; return ret;
} }
/**
* gst_vulkan_instance_handle_context_query:
* @element: a #GstElement
* @query: a #GstQuery of type #GST_QUERY_CONTEXT
* @instance: the #GstVulkanInstance
*
* If a #GstVulkanInstance is requested in @query, sets @instance as the reply.
*
* Intended for use with element query handlers to respond to #GST_QUERY_CONTEXT
* for a #GstVulkanInstance.
*
* Returns: whether @query was responded to with @instance
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_instance_handle_context_query (GstElement * element, gst_vulkan_instance_handle_context_query (GstElement * element,
GstQuery * query, GstVulkanInstance ** instance) GstQuery * query, GstVulkanInstance ** instance)
@ -498,6 +553,18 @@ gst_vulkan_instance_handle_context_query (GstElement * element,
return res; return res;
} }
/**
* gst_vulkan_instance_run_context_query:
* @element: a #GstElement
* @instance: (inout): a #GstVulkanInstance
*
* Attempt to retrieve a #GstVulkanInstance using #GST_QUERY_CONTEXT from the
* surrounding elements of @element.
*
* Returns: whether @instance contains a valid #GstVulkanInstance
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_instance_run_context_query (GstElement * element, gst_vulkan_instance_run_context_query (GstElement * element,
GstVulkanInstance ** instance) GstVulkanInstance ** instance)

29
gst-libs/gst/vulkan/gstvkmemory.c
View File

@ -28,7 +28,7 @@
/** /**
* SECTION:vkmemory * SECTION:vkmemory
* @title: GstVkMemory * @title: GstVulkanMemory
* @short_description: memory subclass for Vulkan device memory * @short_description: memory subclass for Vulkan device memory
* @see_also: #GstMemory, #GstAllocator * @see_also: #GstMemory, #GstAllocator
* *
@ -250,24 +250,35 @@ _vk_mem_free (GstAllocator * allocator, GstMemory * memory)
gst_object_unref (mem->device); gst_object_unref (mem->device);
} }
/**
* gst_vulkan_memory_find_memory_type_index_with_type_properties:
* @device: a #GstVulkanDevice
* @type_bits: memory type bits to search for
* @properties: memory properties to search for
* @type_index: resulting index of the memory type
*
* Returns: whether a valid memory type could be found
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_memory_find_memory_type_index_with_type_properties (GstVulkanDevice * gst_vulkan_memory_find_memory_type_index_with_type_properties (GstVulkanDevice *
device, guint32 typeBits, VkMemoryPropertyFlags properties, device, guint32 type_bits, VkMemoryPropertyFlags properties,
guint32 * typeIndex) guint32 * type_index)
{ {
guint32 i; guint32 i;
/* Search memtypes to find first index with those properties */ /* Search memtypes to find first index with those properties */
for (i = 0; i < 32; i++) { for (i = 0; i < 32; i++) {
if ((typeBits & 1) == 1) { if ((type_bits & 1) == 1) {
/* Type is available, does it match user properties? */ /* Type is available, does it match user properties? */
if ((device->memory_properties.memoryTypes[i]. if ((device->memory_properties.memoryTypes[i].
propertyFlags & properties) == properties) { propertyFlags & properties) == properties) {
*typeIndex = i; *type_index = i;
return TRUE; return TRUE;
} }
} }
typeBits >>= 1; type_bits >>= 1;
} }
return FALSE; return FALSE;
@ -283,6 +294,8 @@ gst_vulkan_memory_find_memory_type_index_with_type_properties (GstVulkanDevice *
* Allocated a new #GstVulkanMemory. * Allocated a new #GstVulkanMemory.
* *
* Returns: a #GstMemory object backed by a vulkan device memory * Returns: a #GstMemory object backed by a vulkan device memory
*
* Since: 1.18
*/ */
GstMemory * GstMemory *
gst_vulkan_memory_alloc (GstVulkanDevice * device, guint32 memory_type_index, gst_vulkan_memory_alloc (GstVulkanDevice * device, guint32 memory_type_index,
@ -326,6 +339,8 @@ gst_vulkan_memory_allocator_init (GstVulkanMemoryAllocator * allocator)
* *
* Initializes the Vulkan memory allocator. It is safe to call this function * Initializes the Vulkan memory allocator. It is safe to call this function
* multiple times. This must be called before any other #GstVulkanMemory operation. * multiple times. This must be called before any other #GstVulkanMemory operation.
*
* Since: 1.18
*/ */
void void
gst_vulkan_memory_init_once (void) gst_vulkan_memory_init_once (void)
@ -351,6 +366,8 @@ gst_vulkan_memory_init_once (void)
* @mem:a #GstMemory * @mem:a #GstMemory
* *
* Returns: whether the memory at @mem is a #GstVulkanMemory * Returns: whether the memory at @mem is a #GstVulkanMemory
*
* Since: 1.18
*/ */
gboolean gboolean
gst_is_vulkan_memory (GstMemory * mem) gst_is_vulkan_memory (GstMemory * mem)

4
gst-libs/gst/vulkan/gstvkmemory.h
View File

@ -102,9 +102,9 @@ GstMemory * gst_vulkan_memory_alloc (GstVulkanDevice * device,
GST_VULKAN_API GST_VULKAN_API
gboolean gst_vulkan_memory_find_memory_type_index_with_type_properties (GstVulkanDevice * device, gboolean gst_vulkan_memory_find_memory_type_index_with_type_properties (GstVulkanDevice * device,
guint32 typeBits, guint32 type_bits,
VkMemoryPropertyFlags properties, VkMemoryPropertyFlags properties,
guint32 * typeIndex); guint32 * type_index);
G_END_DECLS G_END_DECLS

57
gst-libs/gst/vulkan/gstvkqueue.c
View File

@ -24,6 +24,15 @@
#include "gstvkqueue.h" #include "gstvkqueue.h"
/**
* SECTION:vkqueue
* @title: GstVulkanQueue
* @short_description: Vulkan command queue
* @see_also: #GstVulkanDevice
*
* GstVulkanQueue encapsulates the vulkan command queue.
*/
#define GST_CAT_DEFAULT gst_vulkan_queue_debug #define GST_CAT_DEFAULT gst_vulkan_queue_debug
GST_DEBUG_CATEGORY (GST_CAT_DEFAULT); GST_DEBUG_CATEGORY (GST_CAT_DEFAULT);
GST_DEBUG_CATEGORY_STATIC (GST_CAT_CONTEXT); GST_DEBUG_CATEGORY_STATIC (GST_CAT_CONTEXT);
@ -61,6 +70,14 @@ gst_vulkan_queue_dispose (GObject * object)
G_OBJECT_CLASS (parent_class)->dispose (object); G_OBJECT_CLASS (parent_class)->dispose (object);
} }
/**
* gst_vulkan_queue_get_device
* @queue: a #GstVulkanQueue
*
* Returns: (transfer full): the #GstVulkanDevice for @queue
*
* Since: 1.18
*/
GstVulkanDevice * GstVulkanDevice *
gst_vulkan_queue_get_device (GstVulkanQueue * queue) gst_vulkan_queue_get_device (GstVulkanQueue * queue)
{ {
@ -69,6 +86,15 @@ gst_vulkan_queue_get_device (GstVulkanQueue * queue)
return queue->device ? gst_object_ref (queue->device) : NULL; return queue->device ? gst_object_ref (queue->device) : NULL;
} }
/**
* gst_vulkan_queue_create_command_pool:
* @queue: a #GstVulkanQueue
* @error: a #GError
*
* Returns: (transfer full): a new #GstVUlkanCommandPool or %NULL
*
* Since: 1.18
*/
GstVulkanCommandPool * GstVulkanCommandPool *
gst_vulkan_queue_create_command_pool (GstVulkanQueue * queue, GError ** error) gst_vulkan_queue_create_command_pool (GstVulkanQueue * queue, GError ** error)
{ {
@ -112,7 +138,7 @@ error:
* *
* Sets @queue on @context * Sets @queue on @context
* *
* Since: 1.10 * Since: 1.18
*/ */
void void
gst_context_set_vulkan_queue (GstContext * context, GstVulkanQueue * queue) gst_context_set_vulkan_queue (GstContext * context, GstVulkanQueue * queue)
@ -139,7 +165,7 @@ gst_context_set_vulkan_queue (GstContext * context, GstVulkanQueue * queue)
* *
* Returns: Whether @queue was in @context * Returns: Whether @queue was in @context
* *
* Since: 1.10 * Since: 1.18
*/ */
gboolean gboolean
gst_context_get_vulkan_queue (GstContext * context, GstVulkanQueue ** queue) gst_context_get_vulkan_queue (GstContext * context, GstVulkanQueue ** queue)
@ -160,6 +186,21 @@ gst_context_get_vulkan_queue (GstContext * context, GstVulkanQueue ** queue)
return ret; return ret;
} }
/**
* gst_vulkan_queue_handle_context_query:
* @element: a #GstElement
* @query: a #GstQuery of type #GST_QUERY_CONTEXT
* @queue: the #GstVulkanQueue
*
* If a #GstVulkanQueue is requested in @query, sets @queue as the reply.
*
* Intended for use with element query handlers to respond to #GST_QUERY_CONTEXT
* for a #GstVulkanQueue.
*
* Returns: whether @query was responded to with @queue
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_queue_handle_context_query (GstElement * element, GstQuery * query, gst_vulkan_queue_handle_context_query (GstElement * element, GstQuery * query,
GstVulkanQueue ** queue) GstVulkanQueue ** queue)
@ -193,6 +234,18 @@ gst_vulkan_queue_handle_context_query (GstElement * element, GstQuery * query,
return res; return res;
} }
/**
* gst_vulkan_queue_run_context_query:
* @element: a #GstElement
* @queue: (inout): a #GstVulkanQueue
*
* Attempt to retrieve a #GstVulkanQueue using #GST_QUERY_CONTEXT from the
* surrounding elements of @element.
*
* Returns: whether @queue contains a valid #GstVulkanQueue
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_queue_run_context_query (GstElement * element, gst_vulkan_queue_run_context_query (GstElement * element,
GstVulkanQueue ** queue) GstVulkanQueue ** queue)

3
gst-libs/gst/vulkan/gstvkqueue.h
View File

@ -21,7 +21,8 @@
#ifndef __GST_VULKAN_QUEUE_H__ #ifndef __GST_VULKAN_QUEUE_H__
#define __GST_VULKAN_QUEUE_H__ #define __GST_VULKAN_QUEUE_H__
#include <gst/vulkan/vulkan.h> #include <gst/vulkan/gstvkdevice.h>
#include <gst/vulkan/gstvkcommandpool.h>
#define GST_TYPE_VULKAN_QUEUE (gst_vulkan_queue_get_type()) #define GST_TYPE_VULKAN_QUEUE (gst_vulkan_queue_get_type())
#define GST_VULKAN_QUEUE(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_TYPE_VULKAN_QUEUE, GstVulkanQueue)) #define GST_VULKAN_QUEUE(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_TYPE_VULKAN_QUEUE, GstVulkanQueue))

91
gst-libs/gst/vulkan/gstvkutils.c
View File

@ -24,6 +24,15 @@
#include "gstvkutils.h" #include "gstvkutils.h"
/**
* SECTION:vkutils
* @title: Vulkan Utils
* @short_description: Vulkan utilities
* @see_also: #GstVulkanInstance, #GstVulkanDevice
*
* GstVulkanQueue encapsulates the vulkan command queue.
*/
GST_DEBUG_CATEGORY_STATIC (GST_CAT_CONTEXT); GST_DEBUG_CATEGORY_STATIC (GST_CAT_CONTEXT);
static void static void
@ -59,6 +68,16 @@ _vk_pad_query (const GValue * item, GValue * value, gpointer user_data)
return TRUE; return TRUE;
} }
/**
* gst_vulkan_run_query:
* @element: a #GstElement
* @query: the #GstQuery to perform
* @direction: the #GstPadDirection to perform query on
*
* Returns: whether @query was answered successfully
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_run_query (GstElement * element, GstQuery * query, gst_vulkan_run_query (GstElement * element, GstQuery * query,
GstPadDirection direction) GstPadDirection direction)
@ -118,6 +137,16 @@ _vulkan_local_context_query (GstElement * element,
return query; return query;
} }
/**
* gst_vulkan_global_context_query:
* @element: a #GstElement
* @context_type: the context type to query for
*
* Performs the steps necessary for executing a context query including
* posting a message for the application to respond.
*
* Since: 1.18
*/
void void
gst_vulkan_global_context_query (GstElement * element, gst_vulkan_global_context_query (GstElement * element,
const gchar * context_type) const gchar * context_type)
@ -148,6 +177,16 @@ gst_vulkan_global_context_query (GstElement * element,
*/ */
} }
/**
* gst_vulkan_local_context_query:
* @element: a #GstElement
* @context_type: the context type to query for
*
* Performs the steps necessary for executing a context query between only
* other elements in the pipeline
*
* Since: 1.18
*/
GstQuery * GstQuery *
gst_vulkan_local_context_query (GstElement * element, gst_vulkan_local_context_query (GstElement * element,
const gchar * context_type) const gchar * context_type)
@ -185,8 +224,28 @@ _vk_context_propagate (GstElement * element, GstContext * context)
gst_element_post_message (GST_ELEMENT_CAST (element), msg); gst_element_post_message (GST_ELEMENT_CAST (element), msg);
} }
/**
* gst_vulkan_ensure_element_data:
* @element: a #GstElement
* @display_ptr: (inout) (optional): the resulting #GstVulkanDisplay
* @instance_ptr: (inout): the resulting #GstVulkanInstance
*
* Perform the steps necessary for retrieving a #GstVulkanInstance and
* (optionally) an #GstVulkanDisplay from the surrounding elements or from
* the application using the #GstContext mechanism.
*
* If the contents of @display_ptr or @instance_ptr are not %NULL, then no
* #GstContext query is necessary and no #GstVulkanInstance or #GstVulkanDisplay
* retrieval is performed.
*
* Returns: whether a #GstVulkanInstance exists in @instance_ptr and if
* @display_ptr is not %NULL, whether a #GstVulkanDisplay exists in
* @display_ptr
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_ensure_element_data (gpointer element, gst_vulkan_ensure_element_data (GstElement * element,
GstVulkanDisplay ** display_ptr, GstVulkanInstance ** instance_ptr) GstVulkanDisplay ** display_ptr, GstVulkanInstance ** instance_ptr)
{ {
g_return_val_if_fail (element != NULL, FALSE); g_return_val_if_fail (element != NULL, FALSE);
@ -251,6 +310,23 @@ gst_vulkan_ensure_element_data (gpointer element,
return *display_ptr != NULL && *instance_ptr != NULL; return *display_ptr != NULL && *instance_ptr != NULL;
} }
/**
* gst_vulkan_handle_set_context:
* @element: a #GstElement
* @context: a #GstContext
* @display: (inout) (transfer full) (optional): location of a #GstVulkanDisplay
* @instance: (inout) (transfer full): location of a #GstVulkanInstance
*
* Helper function for implementing #GstElementClass.set_context() in
* Vulkan capable elements.
*
* Retrieve's the #GstVulkanDisplay or #GstVulkanInstance in @context and places
* the result in @display or @instance respectively.
*
* Returns: whether the @display or @instance could be set successfully
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_handle_set_context (GstElement * element, GstContext * context, gst_vulkan_handle_set_context (GstElement * element, GstContext * context,
GstVulkanDisplay ** display, GstVulkanInstance ** instance) GstVulkanDisplay ** display, GstVulkanInstance ** instance)
@ -299,6 +375,19 @@ gst_vulkan_handle_set_context (GstElement * element, GstContext * context,
return TRUE; return TRUE;
} }
/**
* gst_vulkan_handle_context_query:
* @element: a #GstElement
* @query: a #GstQuery of type %GST_QUERY_CONTEXT
* @display: (transfer none) (nullable): a #GstVulkanDisplay
* @instance: (transfer none) (nullable): a #GstVulkanInstance
* @device: (transfer none) (nullable): a #GstVulkanInstance
*
* Returns: Whether the @query was successfully responded to from the passed
* @display, @instance, and @device.
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_handle_context_query (GstElement * element, GstQuery * query, gst_vulkan_handle_context_query (GstElement * element, GstQuery * query,
GstVulkanDisplay ** display, GstVulkanInstance ** instance, GstVulkanDisplay ** display, GstVulkanInstance ** instance,

2
gst-libs/gst/vulkan/gstvkutils.h
View File

@ -26,7 +26,7 @@
G_BEGIN_DECLS G_BEGIN_DECLS
GST_VULKAN_API GST_VULKAN_API
gboolean gst_vulkan_ensure_element_data (gpointer element, gboolean gst_vulkan_ensure_element_data (GstElement * element,
GstVulkanDisplay ** display_ptr, GstVulkanDisplay ** display_ptr,
GstVulkanInstance ** instance_ptr); GstVulkanInstance ** instance_ptr);
GST_VULKAN_API GST_VULKAN_API

75
gst-libs/gst/vulkan/gstvkwindow.c
View File

@ -1,6 +1,6 @@
/* /*
* GStreamer * GStreamer
* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com> * Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public * modify it under the terms of the GNU Library General Public
@ -20,9 +20,9 @@
/** /**
* SECTION:vkwindow * SECTION:vkwindow
* @short_description: window/surface abstraction
* @title: GstVulkanWindow * @title: GstVulkanWindow
* @see_also: #GstGLContext, #GstGLDisplay * @short_description: window/surface abstraction
* @see_also: #GstVulkanDisplay
* *
* GstVulkanWindow represents a window that elements can render into. A window can * GstVulkanWindow represents a window that elements can render into. A window can
* either be a user visible window (onscreen) or hidden (offscreen). * either be a user visible window (onscreen) or hidden (offscreen).
@ -157,11 +157,11 @@ gst_vulkan_window_class_init (GstVulkanWindowClass * klass)
/** /**
* gst_vulkan_window_new: * gst_vulkan_window_new:
* @display: a #GstGLDisplay * @display: a #GstVulkanDisplay
* *
* Returns: (transfer full): a new #GstVulkanWindow using @display's connection * Returns: (transfer full): a new #GstVulkanWindow using @display's connection
* *
* Since: 1.10 * Since: 1.18
*/ */
GstVulkanWindow * GstVulkanWindow *
gst_vulkan_window_new (GstVulkanDisplay * display) gst_vulkan_window_new (GstVulkanDisplay * display)
@ -214,6 +214,14 @@ gst_vulkan_window_finalize (GObject * object)
G_OBJECT_CLASS (gst_vulkan_window_parent_class)->finalize (object); G_OBJECT_CLASS (gst_vulkan_window_parent_class)->finalize (object);
} }
/**
* gst_vulkan_window_get_display:
* @window: a #GstVulkanWindow
*
* Returns: (transfer full): the #GstVulkanDisplay for @window
*
* Since: 1.18
*/
GstVulkanDisplay * GstVulkanDisplay *
gst_vulkan_window_get_display (GstVulkanWindow * window) gst_vulkan_window_get_display (GstVulkanWindow * window)
{ {
@ -222,6 +230,15 @@ gst_vulkan_window_get_display (GstVulkanWindow * window)
return gst_object_ref (window->display); return gst_object_ref (window->display);
} }
/**
* gst_vulkan_window_get_surface: (skip)
* @window: a #GstVulkanWindow
* @error: a #GError
*
* Returns: the VkSurface for displaying into
*
* Since: 1.18
*/
VkSurfaceKHR VkSurfaceKHR
gst_vulkan_window_get_surface (GstVulkanWindow * window, GError ** error) gst_vulkan_window_get_surface (GstVulkanWindow * window, GError ** error)
{ {
@ -234,6 +251,17 @@ gst_vulkan_window_get_surface (GstVulkanWindow * window, GError ** error)
return klass->get_surface (window, error); return klass->get_surface (window, error);
} }
/**
* gst_vulkan_window_get_presentation_support:
* @window: a #GstVulkanWindow
* @device: a #GstVulkanDevice
* @queue_family_idx: the queue family
*
* Returns: whether the given combination of @window, @device and
* @queue_family_idx supports presentation
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_window_get_presentation_support (GstVulkanWindow * window, gst_vulkan_window_get_presentation_support (GstVulkanWindow * window,
GstVulkanDevice * device, guint32 queue_family_idx) GstVulkanDevice * device, guint32 queue_family_idx)
@ -247,6 +275,15 @@ gst_vulkan_window_get_presentation_support (GstVulkanWindow * window,
return klass->get_presentation_support (window, device, queue_family_idx); return klass->get_presentation_support (window, device, queue_family_idx);
} }
/**
* gst_vulkan_window_open:
* @window: a #GstVulkanWindow
* @error: a #GError
*
* Returns: whether @window could be sucessfully opened
*
* Since: 1.18
*/
gboolean gboolean
gst_vulkan_window_open (GstVulkanWindow * window, GError ** error) gst_vulkan_window_open (GstVulkanWindow * window, GError ** error)
{ {
@ -259,6 +296,14 @@ gst_vulkan_window_open (GstVulkanWindow * window, GError ** error)
return klass->open (window, error); return klass->open (window, error);
} }
/**
* gst_vulkan_window_close:
* @window: a #GstVulkanWindow
*
* Attempt to close the window.
*
* Since: 1.18
*/
void void
gst_vulkan_window_close (GstVulkanWindow * window) gst_vulkan_window_close (GstVulkanWindow * window)
{ {
@ -275,6 +320,18 @@ gst_vulkan_window_close (GstVulkanWindow * window)
klass->close (window); klass->close (window);
} }
/**
* gst_vulkan_window_resize:
* @window: a #GstVulkanWindow
* @width: the new width
* @height: the new height
*
* Resize the output surface.
*
* Currently intended for subclasses to update internal state.
*
* Since: 1.18
*/
void void
gst_vulkan_window_resize (GstVulkanWindow * window, gint width, gint height) gst_vulkan_window_resize (GstVulkanWindow * window, gint width, gint height)
{ {
@ -286,6 +343,14 @@ gst_vulkan_window_resize (GstVulkanWindow * window, gint width, gint height)
/* XXX: possibly queue a resize/redraw */ /* XXX: possibly queue a resize/redraw */
} }
/**
* gst_vulkan_window_redraw:
* @window: a #GstVulkanWindow
*
* Ask the @window to redraw its contents
*
* Since: 1.18
*/
void void
gst_vulkan_window_redraw (GstVulkanWindow * window) gst_vulkan_window_redraw (GstVulkanWindow * window)
{ {

3
gst-libs/gst/vulkan/gstvkwindow.h
View File

@ -1,7 +1,6 @@
/* /*
* GStreamer * GStreamer
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com> * Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public * modify it under the terms of the GNU Library General Public

2
gst-libs/gst/vulkan/meson.build
View File

@ -183,7 +183,7 @@ if vulkan_dep.found() and has_vulkan_header
if build_gir if build_gir
vulkan_gir = gnome.generate_gir(gstvulkan, vulkan_gir = gnome.generate_gir(gstvulkan,
sources : vulkan_sources + [vulkan_enumtypes_h, vulkan_enumtypes_c], sources : vulkan_sources + vulkan_headers + [vulkan_enumtypes_h, vulkan_enumtypes_c],
namespace : 'GstVulkan', namespace : 'GstVulkan',
nsversion : api_version, nsversion : api_version,
identifier_prefix : 'Gst', identifier_prefix : 'Gst',

6
gst-libs/gst/vulkan/vulkan_fwd.h
View File

@ -40,8 +40,6 @@ typedef struct _GstVulkanCommandPool GstVulkanCommandPool;
typedef struct _GstVulkanCommandPoolClass GstVulkanCommandPoolClass; typedef struct _GstVulkanCommandPoolClass GstVulkanCommandPoolClass;
typedef struct _GstVulkanCommandPoolPrivate GstVulkanCommandPoolPrivate; typedef struct _GstVulkanCommandPoolPrivate GstVulkanCommandPoolPrivate;
typedef enum _GstVulkanDisplayType GstVulkanDisplayType;
typedef struct _GstVulkanDisplay GstVulkanDisplay; typedef struct _GstVulkanDisplay GstVulkanDisplay;
typedef struct _GstVulkanDisplayClass GstVulkanDisplayClass; typedef struct _GstVulkanDisplayClass GstVulkanDisplayClass;
typedef struct _GstVulkanDisplayPrivate GstVulkanDisplayPrivate; typedef struct _GstVulkanDisplayPrivate GstVulkanDisplayPrivate;
@ -60,10 +58,6 @@ typedef struct _GstVulkanBufferMemory GstVulkanBufferMemory;
typedef struct _GstVulkanBufferMemoryAllocator GstVulkanBufferMemoryAllocator; typedef struct _GstVulkanBufferMemoryAllocator GstVulkanBufferMemoryAllocator;
typedef struct _GstVulkanBufferMemoryAllocatorClass GstVulkanBufferMemoryAllocatorClass; typedef struct _GstVulkanBufferMemoryAllocatorClass GstVulkanBufferMemoryAllocatorClass;
typedef struct _GstVulkanImageMemory GstVulkanImageMemory;
typedef struct _GstVulkanImageMemoryAllocator GstVulkanImageMemoryAllocator;
typedef struct _GstVulkanImageMemoryAllocatorClass GstVulkanImageMemoryAllocatorClass;
typedef struct _GstVulkanBufferPool GstVulkanBufferPool; typedef struct _GstVulkanBufferPool GstVulkanBufferPool;
typedef struct _GstVulkanBufferPoolClass GstVulkanBufferPoolClass; typedef struct _GstVulkanBufferPoolClass GstVulkanBufferPoolClass;
typedef struct _GstVulkanBufferPoolPrivate GstVulkanBufferPoolPrivate; typedef struct _GstVulkanBufferPoolPrivate GstVulkanBufferPoolPrivate;