mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-10-06 10:42:22 +00:00
462 lines
13 KiB
C
462 lines
13 KiB
C
|
/*
|
||
|
* 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, ¶ms,
|
||
|
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, ¶ms,
|
||
|
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, ¶ms,
|
||
|
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);
|
||
|
}
|