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vulkan: add a buffer memory allocator

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Wraps the VkBuffer in a GstMemory subclass.
This commit is contained in:
Matthew Waters 2016-02-05 19:18:40 +11:00
parent eb3f6eebce
commit bd41cc4557
6 changed files with 569 additions and 0 deletions
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2
ext/vulkan/Makefile.am
View file

@ -9,6 +9,7 @@ libgstvulkan_la_SOURCES = \
vkdevice.c \
vkdisplay.c \
vkerror.c \
vkbuffermemory.c \
vkimagememory.c \
vkinstance.c \
vkmemory.c \
@ -24,6 +25,7 @@ noinst_HEADERS = \
vkdevice.h \
vkdisplay.h \
vkerror.h \
vkbuffermemory.h \
vkimagememory.h \
vkinstance.h \
vkmemory.h \

1
ext/vulkan/vk.h
View file

@ -33,6 +33,7 @@
#include "vkwindow.h"
#include "vkswapper.h"
#include "vkmemory.h"
#include "vkbuffermemory.h"
#include "vkimagememory.h"
#include "vkutils.h"

4
ext/vulkan/vk_fwd.h
View file

@ -54,6 +54,10 @@ typedef struct _GstVulkanMemory GstVulkanMemory;
typedef struct _GstVulkanMemoryAllocator GstVulkanMemoryAllocator;
typedef struct _GstVulkanMemoryAllocatorClass GstVulkanMemoryAllocatorClass;
typedef struct _GstVulkanBufferMemory GstVulkanBufferMemory;
typedef struct _GstVulkanBufferMemoryAllocator GstVulkanBufferMemoryAllocator;
typedef struct _GstVulkanBufferMemoryAllocatorClass GstVulkanBufferMemoryAllocatorClass;
typedef struct _GstVulkanImageMemory GstVulkanImageMemory;
typedef struct _GstVulkanImageMemoryAllocator GstVulkanImageMemoryAllocator;
typedef struct _GstVulkanImageMemoryAllocatorClass GstVulkanImageMemoryAllocatorClass;

461
ext/vulkan/vkbuffermemory.c Normal file
View file

@ -0,0 +1,461 @@
/*
* GStreamer
* Copyright (C) 2016 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "vkbuffermemory.h"
/**
* SECTION:vkbuffermemory
* @short_description: memory subclass for Vulkan buffer memory
* @see_also: #GstMemory, #GstAllocator
*
* GstVulkanBufferMemory is a #GstMemory subclass providing support for the
* mapping of Vulkan device memory.
*/
#define GST_CAT_DEFUALT GST_CAT_VULKAN_BUFFER_MEMORY
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFUALT);
static GstAllocator *_vulkan_buffer_memory_allocator;
static gboolean
_find_memory_type_index_with_type_properties (GstVulkanDevice * device,
guint32 typeBits, VkFlags properties, guint32 * typeIndex)
{
guint32 i;
/* Search memtypes to find first index with those properties */
for (i = 0; i < 32; i++) {
if ((typeBits & 1) == 1) {
/* Type is available, does it match user properties? */
if ((device->memory_properties.memoryTypes[i].
propertyFlags & properties) == properties) {
*typeIndex = i;
return TRUE;
}
}
typeBits >>= 1;
}
return FALSE;
}
#define GST_VK_CREATE_BUFFER_INFO(info,pNext_,flags_,size_,usage_,sharingMode_,queueFamilyIndexCount_,pQueueFamilyIndices_) \
G_STMT_START { \
(info).sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; \
(info).pNext = pNext_; \
(info).flags = flags_; \
(info).size = size_; \
(info).usage = usage_; \
(info).sharingMode = sharingMode_; \
(info).queueFamilyIndexCount = queueFamilyIndexCount_; \
(info).pQueueFamilyIndices = pQueueFamilyIndices_; \
} G_STMT_END
static gboolean
_create_info_from_args (VkBufferCreateInfo * info, gsize size,
VkBufferUsageFlags usage)
{
/* FIXME: validate these */
GST_VK_CREATE_BUFFER_INFO (*info, NULL, 0, size, usage,
VK_SHARING_MODE_EXCLUSIVE, 0, NULL);
return TRUE;
}
#define GST_VK_CREATE_BUFFER_VIEW_INFO(info,pNext_,flags_,buffer_,format_,offset_,range_) \
G_STMT_START { \
(info).sType = VK_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO; \
(info).pNext = pNext_; \
(info).buffer = buffer_; \
(info).format = format_; \
(info).offset = offset_; \
(info).range = range_; \
} G_STMT_END
static gboolean
_create_view_from_args (VkBufferViewCreateInfo * info, VkBuffer buffer,
VkFormat format, gsize offset, gsize range)
{
/* FIXME: validate these */
g_assert (format != VK_FORMAT_UNDEFINED);
GST_VK_CREATE_BUFFER_VIEW_INFO (*info, NULL, 0, buffer, format, offset,
range);
return TRUE;
}
static void
_vk_buffer_mem_init (GstVulkanBufferMemory * mem, GstAllocator * allocator,
GstMemory * parent, GstVulkanDevice * device, GstAllocationParams * params,
gsize size, gpointer user_data, GDestroyNotify notify)
{
gsize align = gst_memory_alignment, offset = 0, maxsize = size;
GstMemoryFlags flags = 0;
if (params) {
flags = params->flags;
align |= params->align;
offset = params->prefix;
maxsize += params->prefix + params->padding + align;
}
gst_memory_init (GST_MEMORY_CAST (mem), flags, allocator, parent, maxsize,
align, offset, size);
mem->device = gst_object_ref (device);
mem->wrapped = FALSE;
mem->notify = notify;
mem->user_data = user_data;
g_mutex_init (&mem->lock);
GST_CAT_DEBUG (GST_CAT_VULKAN_BUFFER_MEMORY,
"new Vulkan Buffer memory:%p size:%" G_GSIZE_FORMAT, mem, maxsize);
}
static GstVulkanBufferMemory *
_vk_buffer_mem_new_alloc (GstAllocator * allocator, GstMemory * parent,
GstVulkanDevice * device, VkFormat format, gsize size,
VkBufferUsageFlags usage, VkMemoryPropertyFlags mem_prop_flags,
gpointer user_data, GDestroyNotify notify)
{
GstVulkanBufferMemory *mem = NULL;
GstAllocationParams params = { 0, };
VkBufferCreateInfo buffer_info;
guint32 memory_type_index;
GError *error = NULL;
VkBuffer buffer;
VkResult err;
if (!_create_info_from_args (&buffer_info, size, usage)) {
GST_CAT_ERROR (GST_CAT_VULKAN_BUFFER_MEMORY, "Incorrect buffer parameters");
goto error;
}
err = vkCreateBuffer (device->device, &buffer_info, NULL, &buffer);
if (gst_vulkan_error_to_g_error (err, &error, "vkCreateBuffer") < 0)
goto vk_error;
mem = g_new0 (GstVulkanBufferMemory, 1);
vkGetBufferMemoryRequirements (device->device, buffer, &mem->requirements);
params.align = mem->requirements.alignment;
_vk_buffer_mem_init (mem, allocator, parent, device, &params,
mem->requirements.size, user_data, notify);
mem->buffer = buffer;
if (!_find_memory_type_index_with_type_properties (device,
mem->requirements.memoryTypeBits, mem_prop_flags,
&memory_type_index)) {
GST_CAT_ERROR (GST_CAT_VULKAN_BUFFER_MEMORY,
"Could not find suitable memory type");
goto error;
}
mem->vk_mem = (GstVulkanMemory *)
gst_vulkan_memory_alloc (device, memory_type_index, &params,
mem->requirements.size, mem_prop_flags);
if (!mem->vk_mem) {
GST_CAT_ERROR (GST_CAT_VULKAN_BUFFER_MEMORY,
"Failed to allocate device memory");
goto error;
}
err =
vkBindBufferMemory (device->device, mem->buffer, mem->vk_mem->mem_ptr,
0 /* offset */ );
if (gst_vulkan_error_to_g_error (err, &error, "vkBindBufferMemory") < 0)
goto vk_error;
if (usage & (VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT |
VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT |
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT |
VK_BUFFER_USAGE_STORAGE_BUFFER_BIT |
VK_BUFFER_USAGE_INDEX_BUFFER_BIT |
VK_BUFFER_USAGE_VERTEX_BUFFER_BIT |
VK_BUFFER_USAGE_INDIRECT_BUFFER_BIT)) {
VkBufferViewCreateInfo view_info;
_create_view_from_args (&view_info, mem->buffer, format, 0,
mem->requirements.size);
err = vkCreateBufferView (device->device, &view_info, NULL, &mem->view);
if (gst_vulkan_error_to_g_error (err, &error, "vkCreateBufferView") < 0)
goto vk_error;
}
return mem;
vk_error:
{
GST_CAT_ERROR (GST_CAT_VULKAN_BUFFER_MEMORY,
"Failed to allocate buffer memory %s", error->message);
g_clear_error (&error);
goto error;
}
error:
{
if (mem)
gst_memory_unref ((GstMemory *) mem);
return NULL;
}
}
static GstVulkanBufferMemory *
_vk_buffer_mem_new_wrapped (GstAllocator * allocator, GstMemory * parent,
GstVulkanDevice * device, VkBuffer buffer, VkFormat format,
VkBufferUsageFlags usage, gpointer user_data, GDestroyNotify notify)
{
GstVulkanBufferMemory *mem = g_new0 (GstVulkanBufferMemory, 1);
GstAllocationParams params = { 0, };
GError *error = NULL;
VkResult err;
mem->buffer = buffer;
vkGetBufferMemoryRequirements (device->device, mem->buffer,
&mem->requirements);
/* no device memory so no mapping */
params.flags = GST_MEMORY_FLAG_NOT_MAPPABLE | GST_MEMORY_FLAG_READONLY;
_vk_buffer_mem_init (mem, allocator, parent, device, &params,
mem->requirements.size, user_data, notify);
mem->wrapped = TRUE;
if (usage & (VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT |
VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT |
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT |
VK_BUFFER_USAGE_STORAGE_BUFFER_BIT |
VK_BUFFER_USAGE_INDEX_BUFFER_BIT |
VK_BUFFER_USAGE_VERTEX_BUFFER_BIT |
VK_BUFFER_USAGE_INDIRECT_BUFFER_BIT)) {
VkBufferViewCreateInfo view_info;
_create_view_from_args (&view_info, mem->buffer, format, 0,
mem->requirements.size);
err = vkCreateBufferView (device->device, &view_info, NULL, &mem->view);
if (gst_vulkan_error_to_g_error (err, &error, "vkCreateBufferView") < 0)
goto vk_error;
}
return mem;
vk_error:
{
GST_CAT_ERROR (GST_CAT_VULKAN_BUFFER_MEMORY,
"Failed to allocate buffer memory %s", error->message);
g_clear_error (&error);
goto error;
}
error:
{
gst_memory_unref ((GstMemory *) mem);
return NULL;
}
}
static gpointer
_vk_buffer_mem_map_full (GstVulkanBufferMemory * mem, GstMapInfo * info,
gsize size)
{
GstMapInfo *vk_map_info;
/* FIXME: possible barrier needed */
if (!mem->vk_mem)
return NULL;
vk_map_info = g_new0 (GstMapInfo, 1);
info->user_data[0] = vk_map_info;
if (!gst_memory_map ((GstMemory *) mem->vk_mem, vk_map_info, info->flags)) {
g_free (vk_map_info);
return NULL;
}
return vk_map_info->data;
}
static void
_vk_buffer_mem_unmap_full (GstVulkanBufferMemory * mem, GstMapInfo * info)
{
gst_memory_unmap ((GstMemory *) mem->vk_mem, info->user_data[0]);
g_free (info->user_data[0]);
}
static GstMemory *
_vk_buffer_mem_copy (GstVulkanBufferMemory * src, gssize offset, gssize size)
{
return NULL;
}
static GstMemory *
_vk_buffer_mem_share (GstVulkanBufferMemory * mem, gssize offset, gssize size)
{
return NULL;
}
static gboolean
_vk_buffer_mem_is_span (GstVulkanBufferMemory * mem1,
GstVulkanBufferMemory * mem2, gsize * offset)
{
return FALSE;
}
static GstMemory *
_vk_buffer_mem_alloc (GstAllocator * allocator, gsize size,
GstAllocationParams * params)
{
g_critical ("Subclass should override GstAllocatorClass::alloc() function");
return NULL;
}
static void
_vk_buffer_mem_free (GstAllocator * allocator, GstMemory * memory)
{
GstVulkanBufferMemory *mem = (GstVulkanBufferMemory *) memory;
GST_CAT_TRACE (GST_CAT_VULKAN_BUFFER_MEMORY, "freeing buffer memory:%p "
"id:%" G_GUINT64_FORMAT, mem, (guint64) mem->buffer);
if (mem->buffer && !mem->wrapped)
vkDestroyBuffer (mem->device->device, mem->buffer, NULL);
if (mem->view)
vkDestroyBufferView (mem->device->device, mem->view, NULL);
if (mem->vk_mem)
gst_memory_unref ((GstMemory *) mem->vk_mem);
if (mem->notify)
mem->notify (mem->user_data);
gst_object_unref (mem->device);
}
/**
* gst_vulkan_buffer_memory_alloc:
* @device:a #GstVulkanDevice
* @memory_type_index: the Vulkan memory type index
* @params: a #GstAllocationParams
* @size: the size to allocate
*
* Allocated a new #GstVulkanBufferMemory.
*
* Returns: a #GstMemory object backed by a vulkan device memory
*/
GstMemory *
gst_vulkan_buffer_memory_alloc (GstVulkanDevice * device, VkFormat format,
gsize size, VkBufferUsageFlags usage, VkMemoryPropertyFlags mem_prop_flags)
{
GstVulkanBufferMemory *mem;
mem = _vk_buffer_mem_new_alloc (_vulkan_buffer_memory_allocator, NULL, device,
format, size, usage, mem_prop_flags, NULL, NULL);
return (GstMemory *) mem;
}
GstMemory *
gst_vulkan_buffer_memory_wrapped (GstVulkanDevice * device, VkBuffer buffer,
VkFormat format, VkBufferUsageFlags usage, gpointer user_data,
GDestroyNotify notify)
{
GstVulkanBufferMemory *mem;
mem =
_vk_buffer_mem_new_wrapped (_vulkan_buffer_memory_allocator, NULL, device,
buffer, format, usage, user_data, notify);
return (GstMemory *) mem;
}
G_DEFINE_TYPE (GstVulkanBufferMemoryAllocator,
gst_vulkan_buffer_memory_allocator, GST_TYPE_ALLOCATOR);
static void
gst_vulkan_buffer_memory_allocator_class_init
(GstVulkanBufferMemoryAllocatorClass * klass)
{
GstAllocatorClass *allocator_class = (GstAllocatorClass *) klass;
allocator_class->alloc = _vk_buffer_mem_alloc;
allocator_class->free = _vk_buffer_mem_free;
}
static void
gst_vulkan_buffer_memory_allocator_init (GstVulkanBufferMemoryAllocator *
allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_NAME;
alloc->mem_map_full = (GstMemoryMapFullFunction) _vk_buffer_mem_map_full;
alloc->mem_unmap_full =
(GstMemoryUnmapFullFunction) _vk_buffer_mem_unmap_full;
alloc->mem_copy = (GstMemoryCopyFunction) _vk_buffer_mem_copy;
alloc->mem_share = (GstMemoryShareFunction) _vk_buffer_mem_share;
alloc->mem_is_span = (GstMemoryIsSpanFunction) _vk_buffer_mem_is_span;
}
/**
* gst_vulkan_buffer_memory_init_once:
*
* Initializes the Vulkan memory allocator. It is safe to call this function
* multiple times. This must be called before any other #GstVulkanBufferMemory operation.
*/
void
gst_vulkan_buffer_memory_init_once (void)
{
static volatile gsize _init = 0;
if (g_once_init_enter (&_init)) {
GST_DEBUG_CATEGORY_INIT (GST_CAT_VULKAN_BUFFER_MEMORY, "vulkanbuffermemory",
0, "Vulkan Buffer Memory");
_vulkan_buffer_memory_allocator =
g_object_new (gst_vulkan_buffer_memory_allocator_get_type (), NULL);
gst_allocator_register (GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_NAME,
gst_object_ref (_vulkan_buffer_memory_allocator));
g_once_init_leave (&_init, 1);
}
}
/**
* gst_is_vulkan_buffer_memory:
* @mem:a #GstMemory
*
* Returns: whether the memory at @mem is a #GstVulkanBufferMemory
*/
gboolean
gst_is_vulkan_buffer_memory (GstMemory * mem)
{
return mem != NULL && mem->allocator != NULL &&
g_type_is_a (G_OBJECT_TYPE (mem->allocator),
GST_TYPE_VULKAN_BUFFER_MEMORY_ALLOCATOR);
}

100
ext/vulkan/vkbuffermemory.h Normal file
View file

@ -0,0 +1,100 @@
/*
* 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"
struct _GstVulkanBufferMemory
{
GstMemory parent;
GstVulkanDevice * device;
VkBuffer buffer;
VkBufferView view;
GstVulkanMemory *vk_mem;
VkMemoryRequirements requirements;
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_ */

1
ext/vulkan/vkinstance.c
View file

@ -78,6 +78,7 @@ gst_vulkan_instance_class_init (GstVulkanInstanceClass * instance_class)
{
gst_vulkan_memory_init_once ();
gst_vulkan_image_memory_init_once ();
gst_vulkan_buffer_memory_init_once ();
g_type_class_add_private (instance_class, sizeof (GstVulkanInstancePrivate));