gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/d3d12/gstd3d12commandallocatorpool.cpp

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/* GStreamer
* Copyright (C) 2023 Seungha Yang <seungha@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 "gstd3d12.h"
#include <wrl.h>
#include <queue>
#include <mutex>
GST_DEBUG_CATEGORY_STATIC (gst_d3d12_command_allocator_pool_debug);
#define GST_CAT_DEFAULT gst_d3d12_command_allocator_pool_debug
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
struct _GstD3D12CommandAllocator : public GstMiniObject
{
~_GstD3D12CommandAllocator ()
{
if (notify)
notify (user_data);
}
GstD3D12CommandAllocatorPool *pool = nullptr;
D3D12_COMMAND_LIST_TYPE type;
ComPtr < ID3D12CommandAllocator > ca;
gpointer user_data = nullptr;
GDestroyNotify notify = nullptr;
};
struct _GstD3D12CommandAllocatorPoolPrivate
{
~_GstD3D12CommandAllocatorPoolPrivate ()
{
while (!cmd_pool.empty ()) {
auto cmd = cmd_pool.front ();
cmd_pool.pop ();
gst_mini_object_unref (cmd);
}
}
ComPtr<ID3D12Device> device;
std::mutex lock;
std::queue<GstD3D12CommandAllocator *>cmd_pool;
D3D12_COMMAND_LIST_TYPE cmd_type;
};
/* *INDENT-ON* */
GST_DEFINE_MINI_OBJECT_TYPE (GstD3D12CommandAllocator,
gst_d3d12_command_allocator);
static void gst_d3d12_command_allocator_pool_finalize (GObject * object);
#define gst_d3d12_command_allocator_pool_parent_class parent_class
G_DEFINE_TYPE (GstD3D12CommandAllocatorPool,
gst_d3d12_command_allocator_pool, GST_TYPE_OBJECT);
static void
gst_d3d12_command_allocator_pool_class_init (GstD3D12CommandAllocatorPoolClass *
klass)
{
auto object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gst_d3d12_command_allocator_pool_finalize;
GST_DEBUG_CATEGORY_INIT (gst_d3d12_command_allocator_pool_debug,
"d3d12commandallocatorpool", 0, "d3d12commandallocatorpool");
}
static void
gst_d3d12_command_allocator_pool_init (GstD3D12CommandAllocatorPool * self)
{
self->priv = new GstD3D12CommandAllocatorPoolPrivate ();
}
static void
gst_d3d12_command_allocator_pool_finalize (GObject * object)
{
auto self = GST_D3D12_COMMAND_ALLOCATOR_POOL (object);
delete self->priv;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
/**
* gst_d3d12_command_allocator_pool_new:
* @device: a #GstD3D12Device
* @type: D3D12_COMMAND_LIST_TYPE
*
* Returns: (transfer full): a new #GstD3D12CommandAllocatorPool instance
*
* Since: 1.26
*/
GstD3D12CommandAllocatorPool *
gst_d3d12_command_allocator_pool_new (ID3D12Device * device,
D3D12_COMMAND_LIST_TYPE type)
{
g_return_val_if_fail (device, nullptr);
auto self = (GstD3D12CommandAllocatorPool *)
g_object_new (GST_TYPE_D3D12_COMMAND_ALLOCATOR_POOL, nullptr);
gst_object_ref_sink (self);
auto priv = self->priv;
priv->device = device;
priv->cmd_type = type;
return self;
}
static void
gst_d3d12_command_allocator_pool_release (GstD3D12CommandAllocatorPool * pool,
GstD3D12CommandAllocator * cmd)
{
auto priv = pool->priv;
{
std::lock_guard < std::mutex > lk (priv->lock);
cmd->dispose = nullptr;
cmd->pool = nullptr;
priv->cmd_pool.push (cmd);
}
gst_object_unref (pool);
}
static gboolean
gst_d3d12_command_allocator_dispose (GstD3D12CommandAllocator * cmd)
{
if (!cmd->pool)
return TRUE;
gst_mini_object_ref (cmd);
gst_d3d12_command_allocator_pool_release (cmd->pool, cmd);
return FALSE;
}
static void
gst_d3d12_command_allocator_free (GstD3D12CommandAllocator * cmd)
{
delete cmd;
}
static GstD3D12CommandAllocator *
gst_d3d12_command_allocator_new (ID3D12CommandAllocator * ca,
D3D12_COMMAND_LIST_TYPE type)
{
auto cmd = new GstD3D12CommandAllocator ();
cmd->ca = ca;
cmd->type = type;
gst_mini_object_init (cmd, 0, gst_d3d12_command_allocator_get_type (),
nullptr, nullptr,
(GstMiniObjectFreeFunction) gst_d3d12_command_allocator_free);
return cmd;
}
/**
* gst_d3d12_command_allocator_pool_acquire:
* @pool: a #GstD3D12CommandAllocatorPool
* @cmd: (out) (transfer full): a pointer to #GstD3D12CommandAllocator
*
* Acquire #GstD3D12CommandAllocator object
*
* Returns: %TRUE if successful
*
* Since: 1.26
*/
gboolean
gst_d3d12_command_allocator_pool_acquire (GstD3D12CommandAllocatorPool * pool,
GstD3D12CommandAllocator ** cmd)
{
g_return_val_if_fail (GST_IS_D3D12_COMMAND_ALLOCATOR_POOL (pool), FALSE);
g_return_val_if_fail (cmd, FALSE);
*cmd = nullptr;
auto priv = pool->priv;
GstD3D12CommandAllocator *new_cmd = nullptr;
HRESULT hr;
{
std::lock_guard < std::mutex > lk (priv->lock);
if (!priv->cmd_pool.empty ()) {
new_cmd = priv->cmd_pool.front ();
priv->cmd_pool.pop ();
}
}
if (!new_cmd) {
ComPtr < ID3D12CommandAllocator > ca;
hr = priv->device->CreateCommandAllocator (priv->cmd_type,
IID_PPV_ARGS (&ca));
if (FAILED (hr)) {
GST_ERROR_OBJECT (pool, "Couldn't create command allocator, hr: 0x%x",
(guint) hr);
return FALSE;
}
new_cmd = gst_d3d12_command_allocator_new (ca.Get (), priv->cmd_type);
if (GST_OBJECT_FLAG_IS_SET (pool, GST_OBJECT_FLAG_MAY_BE_LEAKED))
GST_MINI_OBJECT_FLAG_SET (new_cmd, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
}
new_cmd->pool = (GstD3D12CommandAllocatorPool *) gst_object_ref (pool);
new_cmd->dispose =
(GstMiniObjectDisposeFunction) gst_d3d12_command_allocator_dispose;
*cmd = new_cmd;
return TRUE;
}
/**
* gst_d3d12_command_allocator_ref:
* @cmd: a #GstD3D12CommandAllocator
*
* Increments the refcount of @cmd
*
* Returns: (transfer full): a #GstD3D12CommandAllocator
*
* Since: 1.26
*/
GstD3D12CommandAllocator *
gst_d3d12_command_allocator_ref (GstD3D12CommandAllocator * cmd)
{
return (GstD3D12CommandAllocator *) gst_mini_object_ref (cmd);
}
/**
* gst_d3d12_command_allocator_unref:
* @cmd: a #GstD3D12CommandAllocator
*
* Decrements the refcount of @cmd
*
* Since: 1.26
*/
void
gst_d3d12_command_allocator_unref (GstD3D12CommandAllocator * cmd)
{
gst_mini_object_unref (cmd);
}
/**
* gst_clear_d3d12_command_allocator:
* @cmd: a pointer to #GstD3D12CommandAllocator
*
* Clears a reference to a #GstD3D12CommandAllocator
*
* Since: 1.26
*/
void
gst_clear_d3d12_command_allocator (GstD3D12CommandAllocator ** cmd)
{
gst_clear_mini_object (cmd);
}
/**
* gst_d3d12_command_allocator_get_handle:
* @cmd: a #GstD3D12CommandAllocator
*
* Gets ID3D12CommandAllocator handle.
*
* Returns: (transfer none): ID3D12CommandAllocator handle
*
* Since: 1.26
*/
ID3D12CommandAllocator *
gst_d3d12_command_allocator_get_handle (GstD3D12CommandAllocator * cmd)
{
g_return_val_if_fail (cmd, nullptr);
return cmd->ca.Get ();
}
/**
* gst_d3d12_command_allocator_set_user_data:
* @cmd: a #GstD3D12CommandAllocator
* @user_data: private data
* @notify: a #GDestroyNotify
*
* Sets @user_data on the @cmd
*
* Since: 1.26
*/
void
gst_d3d12_command_allocator_set_user_data (GstD3D12CommandAllocator * cmd,
gpointer user_data, GDestroyNotify notify)
{
g_return_if_fail (cmd);
if (cmd->notify)
cmd->notify (cmd->user_data);
cmd->user_data = user_data;
cmd->notify = notify;
}
/**
* gst_d3d12_command_allocator_get_user_data:
* @cmd: a #GstD3D12CommandAllocator
*
* Gets private data configured via gst_d3d12_command_allocator_set_user_data()
*
* Returns: (transfer none): previously set user_data
*
* Since: 1.26
*/
gpointer
gst_d3d12_command_allocator_get_user_data (GstD3D12CommandAllocator * cmd)
{
g_return_val_if_fail (cmd, nullptr);
return cmd->user_data;
}