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gstreamer/subprojects/gst-plugins-bad/sys/d3d12/gstd3d12memorycopy.cpp

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/* GStreamer
* Copyright (C) 2024 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 "gstd3d12memorycopy.h"
#include <gst/d3d12/gstd3d12.h>
#include <gst/d3d12/gstd3d12-private.h>
#include <gst/d3d11/gstd3d11.h>
#include <gst/d3d11/gstd3d11-private.h>
#include <gst/d3d11/gstd3d11device-private.h>
#include <directx/d3dx12.h>
#include <mutex>
#include <condition_variable>
#include <memory>
#include <wrl.h>
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
/* *INDENT-ON* */
GST_DEBUG_CATEGORY_STATIC (gst_d3d12_memory_copy_debug);
#define GST_CAT_DEFAULT gst_d3d12_memory_copy_debug
#define META_TAG_VIDEO meta_tag_video_quark
static GQuark meta_tag_video_quark;
static GstStaticPadTemplate sink_template =
GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY, GST_D3D12_ALL_FORMATS) "; "
GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY ","
GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
GST_D3D12_ALL_FORMATS) "; "
GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY,
GST_D3D11_ALL_FORMATS) ";"
GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY
"," GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
GST_D3D11_ALL_FORMATS) ";"
GST_VIDEO_CAPS_MAKE (GST_D3D12_ALL_FORMATS) "; "
GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY ","
GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
GST_D3D12_ALL_FORMATS)));
static GstStaticPadTemplate src_template =
GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY, GST_D3D12_ALL_FORMATS) "; "
GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY ","
GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
GST_D3D12_ALL_FORMATS) "; "
GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY,
GST_D3D11_ALL_FORMATS) ";"
GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY
"," GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
GST_D3D11_ALL_FORMATS) ";"
GST_VIDEO_CAPS_MAKE (GST_D3D12_ALL_FORMATS) "; "
GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY ","
GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
GST_D3D12_ALL_FORMATS)));
enum class TransferType
{
SYSTEM,
D3D11_TO_12,
D3D12_TO_11,
};
enum class MemoryType
{
SYSTEM,
D3D12,
D3D11,
};
enum class DeviceSearchType
{
ANY,
PROPERTY,
LUID,
};
enum
{
PROP_0,
PROP_ADAPTER,
};
#define DEFAULT_ADAPTER -1
#define ASYNC_FENCE_WAIT_DEPTH 16
struct FenceWaitData
{
UINT64 fence_value = 0;
GstMemory *mem = nullptr;
};
static gpointer gst_d3d12_memory_copy_fence_wait_thread (gpointer data);
struct FenceAsyncWaiter
{
FenceAsyncWaiter (ID3D12Fence * fence)
{
fence_ = fence;
queue_ = gst_vec_deque_new_for_struct (sizeof (FenceWaitData),
ASYNC_FENCE_WAIT_DEPTH);
thread_ = g_thread_new ("GstD3D12MemoryCopy",
gst_d3d12_memory_copy_fence_wait_thread, this);
}
~FenceAsyncWaiter ()
{
{
std::lock_guard < std::mutex > lk (lock_);
shutdown_ = true;
cond_.notify_one ();
}
g_thread_join (thread_);
while (!gst_vec_deque_is_empty (queue_)) {
auto fence_data = *((FenceWaitData *)
gst_vec_deque_pop_head_struct (queue_));
auto completed = fence_->GetCompletedValue ();
if (completed < fence_data.fence_value)
fence_->SetEventOnCompletion (fence_data.fence_value, nullptr);
gst_memory_unref (fence_data.mem);
}
gst_vec_deque_free (queue_);
}
void wait_async (UINT64 fence_value, GstMemory * mem)
{
auto completed = fence_->GetCompletedValue ();
if (completed + ASYNC_FENCE_WAIT_DEPTH < fence_value) {
fence_->SetEventOnCompletion (fence_value - ASYNC_FENCE_WAIT_DEPTH,
nullptr);
}
FenceWaitData data;
data.fence_value = fence_value;
data.mem = gst_memory_ref (mem);
std::lock_guard < std::mutex > lk (lock_);
gst_vec_deque_push_tail_struct (queue_, &data);
cond_.notify_one ();
}
ComPtr < ID3D12Fence > fence_;
GThread *thread_;
std::mutex lock_;
std::condition_variable cond_;
GstVecDeque *queue_;
bool shutdown_ = false;
};
static gpointer
gst_d3d12_memory_copy_fence_wait_thread (gpointer data)
{
auto self = (FenceAsyncWaiter *) data;
while (true) {
FenceWaitData fence_data;
{
std::unique_lock < std::mutex > lk (self->lock_);
while (gst_vec_deque_is_empty (self->queue_) && !self->shutdown_)
self->cond_.wait (lk);
if (self->shutdown_)
return nullptr;
fence_data = *((FenceWaitData *)
gst_vec_deque_pop_head_struct (self->queue_));
}
auto completed = self->fence_->GetCompletedValue ();
if (completed < fence_data.fence_value) {
GST_TRACE ("Waiting for fence value %" G_GUINT64_FORMAT,
fence_data.fence_value);
self->fence_->SetEventOnCompletion (fence_data.fence_value, nullptr);
GST_TRACE ("Fence completed with value %" G_GUINT64_FORMAT,
fence_data.fence_value);
} else {
GST_TRACE ("Fence was completed already, fence value: %" G_GUINT64_FORMAT
", completed: %" G_GUINT64_FORMAT, fence_data.fence_value, completed);
}
gst_memory_unref (fence_data.mem);
}
return nullptr;
}
struct _GstD3D12MemoryCopyPrivate
{
~_GstD3D12MemoryCopyPrivate ()
{
Reset (true);
}
void Reset (bool full)
{
if (fallback_pool12)
gst_buffer_pool_set_active (fallback_pool12, FALSE);
gst_clear_object (&fallback_pool12);
fence_waiter = nullptr;
fence12 = nullptr;
fence11 = nullptr;
fence12_external = nullptr;
fence11_external = nullptr;
fence12_on_11 = nullptr;
fence11_on_11 = nullptr;
context11_4 = nullptr;
device11_5 = nullptr;
in_type = MemoryType::SYSTEM;
out_type = MemoryType::SYSTEM;
transfer_type = TransferType::SYSTEM;
search_type = DeviceSearchType::PROPERTY;
fence_val = 0;
if (full) {
luid = 0;
gst_clear_object (&device12);
gst_clear_object (&device11);
gst_clear_caps (&incaps);
gst_clear_caps (&outcaps);
}
}
GstD3D12Device *device12 = nullptr;
GstD3D11Device *device11 = nullptr;
ComPtr < ID3D12Fence > fence12;
ComPtr < ID3D11Fence > fence11;
ComPtr < ID3D12Fence > fence12_external;
ComPtr < ID3D11Fence > fence11_external;
ComPtr < ID3D12Fence > fence12_on_11;
ComPtr < ID3D11Fence > fence11_on_11;
ComPtr < ID3D11Device5 > device11_5;
ComPtr < ID3D11DeviceContext4 > context11_4;
GstBufferPool *fallback_pool12 = nullptr;
GstCaps *incaps = nullptr;
GstCaps *outcaps = nullptr;
bool is_uploader = false;
gint64 luid = 0;
DeviceSearchType search_type = DeviceSearchType::PROPERTY;
GstVideoInfo info;
TransferType transfer_type = TransferType::SYSTEM;
MemoryType in_type = MemoryType::SYSTEM;
MemoryType out_type = MemoryType::SYSTEM;
UINT64 fence_val = 0;
std::shared_ptr < FenceAsyncWaiter > fence_waiter;
gint adapter = DEFAULT_ADAPTER;
std::recursive_mutex lock;
};
static void gst_d3d12_memory_copy_finalize (GObject * object);
static void gst_d3d12_memory_copy_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_d3d12_memory_copy_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_d3d12_memory_copy_set_context (GstElement * element,
GstContext * context);
static gboolean gst_d3d12_memory_copy_start (GstBaseTransform * trans);
static gboolean gst_d3d12_memory_copy_stop (GstBaseTransform * trans);
static gboolean gst_d3d12_memory_copy_set_caps (GstBaseTransform * trans,
GstCaps * incaps, GstCaps * outcaps);
static GstCaps *gst_d3d12_memory_copy_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter);
static gboolean gst_d3d12_memory_copy_query (GstBaseTransform * trans,
GstPadDirection direction, GstQuery * query);
static gboolean gst_d3d12_memory_copy_propose_allocation (GstBaseTransform *
trans, GstQuery * decide_query, GstQuery * query);
static gboolean gst_d3d12_memory_copy_decide_allocation (GstBaseTransform *
trans, GstQuery * query);
static gboolean gst_d3d12_memory_copy_transform_meta (GstBaseTransform * trans,
GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf);
static void gst_d3d12_memory_copy_before_transform (GstBaseTransform * trans,
GstBuffer * buffer);
static GstFlowReturn gst_d3d12_memory_copy_transform (GstBaseTransform * trans,
GstBuffer * inbuf, GstBuffer * outbuf);
#define gst_d3d12_memory_copy_parent_class parent_class
G_DEFINE_ABSTRACT_TYPE (GstD3D12MemoryCopy, gst_d3d12_memory_copy,
GST_TYPE_BASE_TRANSFORM);
static void
gst_d3d12_memory_copy_class_init (GstD3D12MemoryCopyClass * klass)
{
auto object_class = G_OBJECT_CLASS (klass);
auto element_class = GST_ELEMENT_CLASS (klass);
auto trans_class = GST_BASE_TRANSFORM_CLASS (klass);
object_class->finalize = gst_d3d12_memory_copy_finalize;
object_class->set_property = gst_d3d12_memory_copy_set_property;
object_class->get_property = gst_d3d12_memory_copy_get_property;
g_object_class_install_property (object_class, PROP_ADAPTER,
g_param_spec_int ("adapter", "Adapter",
"Adapter index for creating device (-1 for default)",
-1, G_MAXINT32, DEFAULT_ADAPTER,
(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY |
G_PARAM_STATIC_STRINGS)));
element_class->set_context =
GST_DEBUG_FUNCPTR (gst_d3d12_memory_copy_set_context);
gst_element_class_add_static_pad_template (element_class, &sink_template);
gst_element_class_add_static_pad_template (element_class, &src_template);
trans_class->passthrough_on_same_caps = TRUE;
trans_class->start = GST_DEBUG_FUNCPTR (gst_d3d12_memory_copy_start);
trans_class->stop = GST_DEBUG_FUNCPTR (gst_d3d12_memory_copy_stop);
trans_class->query = GST_DEBUG_FUNCPTR (gst_d3d12_memory_copy_query);
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_d3d12_memory_copy_set_caps);
trans_class->transform_caps =
GST_DEBUG_FUNCPTR (gst_d3d12_memory_copy_transform_caps);
trans_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_d3d12_memory_copy_propose_allocation);
trans_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_d3d12_memory_copy_decide_allocation);
trans_class->transform_meta =
GST_DEBUG_FUNCPTR (gst_d3d12_memory_copy_transform_meta);
trans_class->before_transform =
GST_DEBUG_FUNCPTR (gst_d3d12_memory_copy_before_transform);
trans_class->transform = GST_DEBUG_FUNCPTR (gst_d3d12_memory_copy_transform);
meta_tag_video_quark = g_quark_from_static_string (GST_META_TAG_VIDEO_STR);
GST_DEBUG_CATEGORY_INIT (gst_d3d12_memory_copy_debug,
"d3d12memorycopy", 0, "d3d12memorycopy");
}
static void
gst_d3d12_memory_copy_init (GstD3D12MemoryCopy * self)
{
self->priv = new GstD3D12MemoryCopyPrivate ();
}
static void
gst_d3d12_memory_copy_finalize (GObject * object)
{
auto self = GST_D3D12_MEMORY_COPY (object);
delete self->priv;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_d3d12_memory_copy_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
auto self = GST_D3D12_MEMORY_COPY (object);
auto priv = self->priv;
std::lock_guard < std::recursive_mutex > lk (priv->lock);
switch (prop_id) {
case PROP_ADAPTER:
priv->adapter = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_d3d12_memory_copy_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
auto self = GST_D3D12_MEMORY_COPY (object);
auto priv = self->priv;
std::lock_guard < std::recursive_mutex > lk (priv->lock);
switch (prop_id) {
case PROP_ADAPTER:
g_value_set_int (value, priv->adapter);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_d3d12_memory_copy_set_context (GstElement * element, GstContext * context)
{
auto self = GST_D3D12_MEMORY_COPY (element);
auto priv = self->priv;
{
std::lock_guard < std::recursive_mutex > lk (priv->lock);
switch (priv->search_type) {
case DeviceSearchType::ANY:
gst_d3d12_handle_set_context (element, context, -1, &priv->device12);
gst_d3d11_handle_set_context (element, context, -1, &priv->device11);
break;
case DeviceSearchType::PROPERTY:
gst_d3d12_handle_set_context (element,
context, priv->adapter, &priv->device12);
gst_d3d11_handle_set_context (element,
context, priv->adapter, &priv->device11);
break;
case DeviceSearchType::LUID:
gst_d3d12_handle_set_context_for_adapter_luid (element,
context, priv->luid, &priv->device12);
gst_d3d11_handle_set_context_for_adapter_luid (element,
context, priv->luid, &priv->device11);
break;
}
}
GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
}
static gboolean
gst_d3d12_memory_copy_start (GstBaseTransform * trans)
{
auto self = GST_D3D12_MEMORY_COPY (trans);
auto priv = self->priv;
std::lock_guard < std::recursive_mutex > lk (priv->lock);
if (!gst_d3d12_ensure_element_data (GST_ELEMENT_CAST (self),
priv->adapter, &priv->device12)) {
GST_ERROR_OBJECT (self, "Failed to get D3D12 device");
return FALSE;
}
return TRUE;
}
static gboolean
gst_d3d12_memory_copy_stop (GstBaseTransform * trans)
{
auto self = GST_D3D12_MEMORY_COPY (trans);
auto priv = self->priv;
std::lock_guard < std::recursive_mutex > lk (priv->lock);
priv->Reset (true);
return TRUE;
}
static gboolean
gst_d3d12_memory_copy_query (GstBaseTransform * trans,
GstPadDirection direction, GstQuery * query)
{
auto self = GST_D3D12_MEMORY_COPY (trans);
auto priv = self->priv;
if (GST_QUERY_TYPE (query) == GST_QUERY_CONTEXT) {
std::lock_guard < std::recursive_mutex > lk (priv->lock);
auto elem = GST_ELEMENT (trans);
if (gst_d3d12_handle_context_query (elem, query, priv->device12))
return TRUE;
if (gst_d3d11_handle_context_query (elem, query, priv->device11))
return TRUE;
}
return GST_BASE_TRANSFORM_CLASS (parent_class)->query (trans, direction,
query);
}
static gboolean
gst_d3d12_memory_copy_setup_resource (GstD3D12MemoryCopy * self)
{
auto priv = self->priv;
priv->transfer_type = TransferType::SYSTEM;
if (priv->in_type == priv->out_type)
return TRUE;
if (priv->in_type != MemoryType::D3D11 && priv->out_type != MemoryType::D3D11)
return TRUE;
std::lock_guard < std::recursive_mutex > lk (priv->lock);
g_object_get (priv->device12, "adapter-luid", &priv->luid, nullptr);
if (priv->device11) {
gint64 luid11;
g_object_get (priv->device11, "adapter-luid", &luid11, nullptr);
if (luid11 != priv->luid)
gst_clear_object (&priv->device11);
}
if (!priv->device11) {
priv->search_type = DeviceSearchType::LUID;
auto elem = GST_ELEMENT (self);
auto ret = gst_d3d11_ensure_element_data_for_adapter_luid (elem,
priv->luid, &priv->device11);
priv->search_type = DeviceSearchType::PROPERTY;
if (!ret) {
priv->search_type = DeviceSearchType::ANY;
auto ret = gst_d3d11_ensure_element_data (elem, -1, &priv->device11);
priv->search_type = DeviceSearchType::PROPERTY;
if (!ret) {
GST_ERROR_OBJECT (self, "Couldn't get any D3D11 device");
return FALSE;
}
GST_WARNING_OBJECT (self, "Couldn't find matching d3d11 device");
return TRUE;
}
}
gboolean is_hardware = FALSE;
g_object_get (priv->device11, "hardware", &is_hardware, nullptr);
if (!is_hardware) {
GST_INFO_OBJECT (self, "WARP device does not support resource sharing");
return TRUE;
}
auto device12 = gst_d3d12_device_get_device_handle (priv->device12);
auto format = GST_VIDEO_INFO_FORMAT (&priv->info);
switch (format) {
case GST_VIDEO_FORMAT_RGB16:
case GST_VIDEO_FORMAT_RGB15:
case GST_VIDEO_FORMAT_BGR16:
case GST_VIDEO_FORMAT_BGR15:
/* d3d12 will use DXGI format whereas d3d11 uses custom format */
GST_INFO_OBJECT (self, "Different DXGI format");
return TRUE;
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_RGB10A2_LE:
{
/* D3D12_SHARED_RESOURCE_COMPATIBILITY_TIER_1 can support this format */
D3D12_FEATURE_DATA_D3D12_OPTIONS4 options4 = { };
auto hr = device12->CheckFeatureSupport (D3D12_FEATURE_D3D12_OPTIONS4,
&options4, sizeof (options4));
if (FAILED (hr) || options4.SharedResourceCompatibilityTier <
D3D12_SHARED_RESOURCE_COMPATIBILITY_TIER_1) {
GST_INFO_OBJECT (self, "SharedResourceCompatibilityTier < "
"D3D12_SHARED_RESOURCE_COMPATIBILITY_TIER_1");
return TRUE;
}
break;
}
default:
if (!gst_d3d11_device_d3d12_import_supported (priv->device11)) {
GST_INFO_OBJECT (self, "Cross-api resource sharing is not supported");
return TRUE;
}
break;
}
GstD3D12Format format12 = { };
gst_d3d12_device_get_format (priv->device12, format, &format12);
if ((format12.support1 & D3D12_FORMAT_SUPPORT1_RENDER_TARGET) !=
D3D12_FORMAT_SUPPORT1_RENDER_TARGET) {
GST_INFO_OBJECT (self,
"Format does not support render target, disable interop");
return TRUE;
}
GstD3D11Format format11 = { };
gst_d3d11_device_get_format (priv->device11, format, &format11);
if (format12.dxgi_format != format11.dxgi_format) {
GST_INFO_OBJECT (self, "Different DXGI formats are used, need system copy");
return TRUE;
}
auto device11 = gst_d3d11_device_get_device_handle (priv->device11);
ComPtr < ID3D11Device5 > device11_5;
auto hr = device11->QueryInterface (IID_PPV_ARGS (&device11_5));
if (FAILED (hr)) {
GST_INFO_OBJECT (self, "Device does not support ID3D11Device5 interface");
return TRUE;
}
ComPtr < ID3D11DeviceContext4 > context11_4;
auto context11 = gst_d3d11_device_get_device_context_handle (priv->device11);
hr = context11->QueryInterface (IID_PPV_ARGS (&context11_4));
if (FAILED (hr)) {
GST_INFO_OBJECT (self,
"Device does not support ID3D11DeviceContext4 interface");
return TRUE;
}
if (priv->in_type == MemoryType::D3D12) {
priv->fallback_pool12 = gst_d3d12_buffer_pool_new (priv->device12);
auto config = gst_buffer_pool_get_config (priv->fallback_pool12);
/* Default buffer pool allocates resource in shared heap */
auto caps = gst_video_info_to_caps (&priv->info);
gst_buffer_pool_config_set_params (config, caps, priv->info.size, 0, 0);
gst_caps_unref (caps);
if (!gst_buffer_pool_set_config (priv->fallback_pool12, config)) {
GST_WARNING_OBJECT (self, "Couldn't set pool config");
gst_clear_object (&priv->fallback_pool12);
return TRUE;
}
if (!gst_buffer_pool_set_active (priv->fallback_pool12, TRUE)) {
GST_WARNING_OBJECT (self, "Couldn't active fallback pool");
gst_clear_object (&priv->fallback_pool12);
return TRUE;
}
}
/* Creates fence on 11 in order to signal to d3d12 when d3d11 is no longer
* using the shared handle */
hr = device11_5->CreateFence (0, D3D11_FENCE_FLAG_SHARED,
IID_PPV_ARGS (&priv->fence11_on_11));
if (!gst_d3d11_result (hr, priv->device11)) {
GST_WARNING_OBJECT (self, "Couldn't create d3d11 fence");
return TRUE;
}
HANDLE handle;
hr = priv->fence11_on_11->CreateSharedHandle (nullptr, GENERIC_ALL, nullptr,
&handle);
if (!gst_d3d11_result (hr, priv->device11)) {
GST_WARNING_OBJECT (self, "Couldn't create shared fence handle");
return TRUE;
}
hr = device12->OpenSharedHandle (handle, IID_PPV_ARGS (&priv->fence12_on_11));
CloseHandle (handle);
if (!gst_d3d12_result (hr, priv->device12)) {
GST_WARNING_OBJECT (self, "Couldn't open shared fence");
return TRUE;
}
if (priv->in_type == MemoryType::D3D11)
priv->transfer_type = TransferType::D3D11_TO_12;
else
priv->transfer_type = TransferType::D3D12_TO_11;
if (priv->transfer_type == TransferType::D3D12_TO_11) {
priv->fence12 = gst_d3d12_device_get_fence_handle (priv->device12,
D3D12_COMMAND_LIST_TYPE_DIRECT);
hr = device12->CreateSharedHandle (priv->fence12.Get (), nullptr,
GENERIC_ALL, nullptr, &handle);
if (!gst_d3d12_result (hr, priv->device12)) {
GST_WARNING_OBJECT (self, "Couldn't create shared fence handle");
priv->transfer_type = TransferType::SYSTEM;
return TRUE;
}
hr = device11_5->OpenSharedFence (handle, IID_PPV_ARGS (&priv->fence11));
CloseHandle (handle);
if (!gst_d3d11_result (hr, priv->device11)) {
GST_WARNING_OBJECT (self, "Couldn't open shared fence");
priv->transfer_type = TransferType::SYSTEM;
return TRUE;
}
priv->fence_waiter =
std::make_shared < FenceAsyncWaiter > (priv->fence12_on_11.Get ());
}
priv->device11_5 = device11_5;
priv->context11_4 = context11_4;
return TRUE;
}
static gboolean
gst_d3d12_memory_copy_set_caps (GstBaseTransform * trans, GstCaps * incaps,
GstCaps * outcaps)
{
auto self = GST_D3D12_MEMORY_COPY (trans);
auto priv = self->priv;
if (!priv->device12) {
GST_ERROR_OBJECT (self, "No available D3D12 device");
return FALSE;
}
gst_caps_replace (&priv->incaps, incaps);
gst_caps_replace (&priv->outcaps, outcaps);
if (!gst_video_info_from_caps (&priv->info, incaps)) {
GST_ERROR_OBJECT (self, "Invalid input caps %" GST_PTR_FORMAT, incaps);
return FALSE;
}
priv->Reset (false);
auto features = gst_caps_get_features (incaps, 0);
if (features && gst_caps_features_contains (features,
GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY)) {
priv->in_type = MemoryType::D3D12;
} else if (features && gst_caps_features_contains (features,
GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY)) {
priv->in_type = MemoryType::D3D11;
}
features = gst_caps_get_features (outcaps, 0);
if (features && gst_caps_features_contains (features,
GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY)) {
priv->out_type = MemoryType::D3D12;
} else if (features && gst_caps_features_contains (features,
GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY)) {
priv->out_type = MemoryType::D3D11;
}
return gst_d3d12_memory_copy_setup_resource (self);
}
static GstCaps *
_set_caps_features (const GstCaps * caps, const gchar * feature_name)
{
GstCaps *tmp = gst_caps_copy (caps);
guint n = gst_caps_get_size (tmp);
guint i = 0;
for (i = 0; i < n; i++) {
gst_caps_set_features (tmp, i,
gst_caps_features_new_single_static_str (feature_name));
}
return tmp;
}
static GstCaps *
gst_d3d12_memory_copy_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
auto self = GST_D3D12_MEMORY_COPY (trans);
auto priv = self->priv;
GstCaps *result, *tmp;
GST_DEBUG_OBJECT (self,
"Transforming caps %" GST_PTR_FORMAT " in direction %s", caps,
(direction == GST_PAD_SINK) ? "sink" : "src");
if (direction == GST_PAD_SINK) {
if (priv->is_uploader) {
auto caps_12 =
_set_caps_features (caps, GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY);
tmp = gst_caps_merge (caps_12, gst_caps_ref (caps));
} else {
auto caps_11 =
_set_caps_features (caps, GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY);
auto caps_sys =
_set_caps_features (caps, GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY);
tmp = gst_caps_merge (caps_11, caps_sys);
tmp = gst_caps_merge (gst_caps_ref (caps), tmp);
}
} else {
if (priv->is_uploader) {
auto caps_11 =
_set_caps_features (caps, GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY);
auto caps_sys =
_set_caps_features (caps, GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY);
tmp = gst_caps_merge (caps_11, caps_sys);
tmp = gst_caps_merge (tmp, gst_caps_ref (caps));
} else {
auto caps_12 =
_set_caps_features (caps, GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY);
tmp = gst_caps_merge (caps_12, gst_caps_ref (caps));
}
}
if (filter) {
result = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (tmp);
} else {
result = tmp;
}
GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, result);
return result;
}
static gboolean
gst_d3d12_memory_copy_propose_allocation (GstBaseTransform * trans,
GstQuery * decide_query, GstQuery * query)
{
auto self = GST_D3D12_MEMORY_COPY (trans);
auto priv = self->priv;
GstVideoInfo info;
GstBufferPool *pool;
GstCaps *caps;
guint size;
bool is_d3d12 = false;
bool is_d3d11 = false;
if (!GST_BASE_TRANSFORM_CLASS (parent_class)->propose_allocation (trans,
decide_query, query))
return FALSE;
/* passthrough, we're done */
if (!decide_query)
return TRUE;
gst_query_parse_allocation (query, &caps, nullptr);
if (!caps) {
GST_WARNING_OBJECT (self, "Allocation query without caps");
return FALSE;
}
if (!gst_video_info_from_caps (&info, caps)) {
GST_ERROR_OBJECT (self, "Invalid caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
if (gst_query_get_n_allocation_pools (query) == 0) {
auto features = gst_caps_get_features (caps, 0);
if (features && gst_caps_features_contains (features,
GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY)) {
GST_DEBUG_OBJECT (self, "upstream support d3d12 memory");
pool = gst_d3d12_buffer_pool_new (priv->device12);
is_d3d12 = true;
} else if (features && gst_caps_features_contains (features,
GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY)) {
if (!priv->device11) {
GST_ERROR_OBJECT (self, "D3D11 device is not configured");
return FALSE;
}
pool = gst_d3d11_buffer_pool_new (priv->device11);
is_d3d11 = true;
} else {
pool = gst_video_buffer_pool_new ();
}
auto config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
if (is_d3d12) {
GstD3D12Format format12;
gst_d3d12_device_get_format (priv->device12,
GST_VIDEO_INFO_FORMAT (&info), &format12);
D3D12_RESOURCE_FLAGS resource_flags =
D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS;
if ((format12.support1 & D3D12_FORMAT_SUPPORT1_RENDER_TARGET) ==
D3D12_FORMAT_SUPPORT1_RENDER_TARGET) {
resource_flags |= D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET;
}
if ((format12.format_flags & GST_D3D12_FORMAT_FLAG_OUTPUT_UAV) ==
GST_D3D12_FORMAT_FLAG_OUTPUT_UAV &&
(format12.support1 &
D3D12_FORMAT_SUPPORT1_TYPED_UNORDERED_ACCESS_VIEW) ==
D3D12_FORMAT_SUPPORT1_TYPED_UNORDERED_ACCESS_VIEW) {
resource_flags |= D3D12_RESOURCE_FLAG_ALLOW_UNORDERED_ACCESS;
}
D3D12_HEAP_FLAGS heap_flags = D3D12_HEAP_FLAG_NONE;
if (priv->transfer_type == TransferType::D3D12_TO_11)
heap_flags = D3D12_HEAP_FLAG_SHARED;
auto params = gst_d3d12_allocation_params_new (priv->device12,
&info, GST_D3D12_ALLOCATION_FLAG_DEFAULT, resource_flags,
D3D12_HEAP_FLAG_SHARED);
gst_buffer_pool_config_set_d3d12_allocation_params (config, params);
gst_d3d12_allocation_params_free (params);
} else if (is_d3d11) {
GstD3D11Format format11;
gst_d3d11_device_get_format (priv->device11,
GST_VIDEO_INFO_FORMAT (&info), &format11);
DXGI_FORMAT dxgi_format = format11.dxgi_format;
if (dxgi_format == DXGI_FORMAT_UNKNOWN)
dxgi_format = format11.resource_format[0];
auto device11 = gst_d3d11_device_get_device_handle (priv->device11);
UINT support_flags = 0;
guint bind_flags = 0;
device11->CheckFormatSupport (dxgi_format, &support_flags);
if ((support_flags & D3D11_FORMAT_SUPPORT_SHADER_SAMPLE) ==
D3D11_FORMAT_SUPPORT_SHADER_SAMPLE) {
bind_flags |= D3D11_BIND_SHADER_RESOURCE;
}
if ((support_flags & D3D11_FORMAT_SUPPORT_RENDER_TARGET) ==
D3D11_FORMAT_SUPPORT_RENDER_TARGET) {
bind_flags |= D3D11_BIND_RENDER_TARGET;
}
auto params = gst_buffer_pool_config_get_d3d11_allocation_params (config);
if (!params) {
params = gst_d3d11_allocation_params_new (priv->device11, &info,
GST_D3D11_ALLOCATION_FLAG_DEFAULT, bind_flags, 0);
}
gst_buffer_pool_config_set_d3d11_allocation_params (config, params);
gst_d3d11_allocation_params_free (params);
} else {
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
}
size = GST_VIDEO_INFO_SIZE (&info);
gst_buffer_pool_config_set_params (config, caps, size, 0, 0);
if (!gst_buffer_pool_set_config (pool, config)) {
GST_ERROR_OBJECT (self, "Bufferpool config failed");
gst_object_unref (pool);
return FALSE;
}
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_get_params (config,
nullptr, &size, nullptr, nullptr);
gst_structure_free (config);
gst_query_add_allocation_pool (query, pool, size, 0, 0);
gst_object_unref (pool);
}
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, nullptr);
gst_query_add_allocation_meta (query,
GST_VIDEO_OVERLAY_COMPOSITION_META_API_TYPE, nullptr);
return TRUE;
}
static gboolean
gst_d3d12_memory_copy_decide_allocation (GstBaseTransform * trans,
GstQuery * query)
{
auto self = GST_D3D12_MEMORY_COPY (trans);
auto priv = self->priv;
GstBufferPool *pool = nullptr;
GstVideoInfo info;
guint min, max, size;
GstCaps *caps = nullptr;
bool update_pool = false;
bool is_d3d12 = false;
bool is_d3d11 = false;
gst_query_parse_allocation (query, &caps, nullptr);
if (!caps) {
GST_WARNING_OBJECT (self, "Allocation query without caps");
return FALSE;
}
if (!gst_video_info_from_caps (&info, caps)) {
GST_ERROR_OBJECT (self, "Invalid caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
if (gst_query_get_n_allocation_pools (query) > 0) {
gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
update_pool = true;
} else {
size = info.size;
min = max = 0;
}
auto features = gst_caps_get_features (caps, 0);
if (features && gst_caps_features_contains (features,
GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY)) {
GST_DEBUG_OBJECT (self, "upstream support d3d12 memory");
if (pool) {
if (!GST_IS_D3D12_BUFFER_POOL (pool)) {
gst_clear_object (&pool);
} else {
auto dpool = GST_D3D12_BUFFER_POOL (pool);
if (!gst_d3d12_device_is_equal (dpool->device, priv->device12))
gst_clear_object (&pool);
}
}
if (!pool)
pool = gst_d3d12_buffer_pool_new (priv->device12);
is_d3d12 = true;
} else if (features && gst_caps_features_contains (features,
GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY)) {
if (!priv->device11) {
GST_ERROR_OBJECT (self, "D3D11 device is not configured");
return FALSE;
}
if (pool) {
if (!GST_IS_D3D11_BUFFER_POOL (pool)) {
gst_clear_object (&pool);
} else {
auto dpool = GST_D3D11_BUFFER_POOL (pool);
if (dpool->device != priv->device11)
gst_clear_object (&pool);
}
}
if (!pool)
pool = gst_d3d11_buffer_pool_new (priv->device11);
is_d3d11 = true;
} else if (!pool) {
pool = gst_video_buffer_pool_new ();
}
if (!pool) {
pool = gst_video_buffer_pool_new ();
}
auto config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
gst_buffer_pool_config_set_params (config, caps, size, min, max);
if (is_d3d12) {
GstD3D12Format format12;
gst_d3d12_device_get_format (priv->device12, GST_VIDEO_INFO_FORMAT (&info),
&format12);
D3D12_RESOURCE_FLAGS resource_flags =
D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS;
if ((format12.support1 & D3D12_FORMAT_SUPPORT1_RENDER_TARGET) ==
D3D12_FORMAT_SUPPORT1_RENDER_TARGET) {
resource_flags |= D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET;
}
auto params = gst_buffer_pool_config_get_d3d12_allocation_params (config);
if (params) {
gst_d3d12_allocation_params_set_resource_flags (params, resource_flags);
if (priv->transfer_type != TransferType::SYSTEM) {
gst_d3d12_allocation_params_set_heap_flags (params,
D3D12_HEAP_FLAG_SHARED);
}
} else {
params = gst_d3d12_allocation_params_new (priv->device12, &info,
GST_D3D12_ALLOCATION_FLAG_DEFAULT, resource_flags,
D3D12_HEAP_FLAG_SHARED);
}
gst_buffer_pool_config_set_d3d12_allocation_params (config, params);
gst_d3d12_allocation_params_free (params);
} else if (is_d3d11) {
GstD3D11Format format11;
gst_d3d11_device_get_format (priv->device11, GST_VIDEO_INFO_FORMAT (&info),
&format11);
DXGI_FORMAT dxgi_format = format11.dxgi_format;
if (dxgi_format == DXGI_FORMAT_UNKNOWN)
dxgi_format = format11.resource_format[0];
auto device11 = gst_d3d11_device_get_device_handle (priv->device11);
UINT support_flags = 0;
guint bind_flags = 0;
device11->CheckFormatSupport (dxgi_format, &support_flags);
if ((support_flags & D3D11_FORMAT_SUPPORT_SHADER_SAMPLE) ==
D3D11_FORMAT_SUPPORT_SHADER_SAMPLE) {
bind_flags |= D3D11_BIND_SHADER_RESOURCE;
}
if ((support_flags & D3D11_FORMAT_SUPPORT_RENDER_TARGET) ==
D3D11_FORMAT_SUPPORT_RENDER_TARGET) {
bind_flags |= D3D11_BIND_RENDER_TARGET;
}
auto params = gst_buffer_pool_config_get_d3d11_allocation_params (config);
if (!params) {
params = gst_d3d11_allocation_params_new (priv->device11, &info,
GST_D3D11_ALLOCATION_FLAG_DEFAULT, bind_flags, 0);
}
gst_buffer_pool_config_set_d3d11_allocation_params (config, params);
gst_d3d11_allocation_params_free (params);
}
gst_buffer_pool_set_config (pool, config);
/* d3d12/d3d11 buffer pool will update buffer size based on allocated texture,
* get size from config again */
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_get_params (config, nullptr, &size, nullptr, nullptr);
gst_structure_free (config);
if (update_pool)
gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
else
gst_query_add_allocation_pool (query, pool, size, min, max);
gst_object_unref (pool);
return GST_BASE_TRANSFORM_CLASS (parent_class)->decide_allocation (trans,
query);
}
static gboolean
gst_d3d12_memory_copy_transform_meta (GstBaseTransform * trans,
GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf)
{
const GstMetaInfo *info = meta->info;
const gchar *const *tags;
tags = gst_meta_api_type_get_tags (info->api);
if (!tags || (g_strv_length ((gchar **) tags) == 1
&& gst_meta_api_type_has_tag (info->api, META_TAG_VIDEO))) {
return TRUE;
}
return GST_BASE_TRANSFORM_CLASS (parent_class)->transform_meta (trans, outbuf,
meta, inbuf);
}
static void
gst_d3d12_memory_copy_before_transform (GstBaseTransform * trans,
GstBuffer * buffer)
{
auto self = GST_D3D12_MEMORY_COPY (trans);
auto priv = self->priv;
bool need_reconfigure = false;
if (priv->transfer_type == TransferType::SYSTEM)
return;
auto mem = gst_buffer_peek_memory (buffer, 0);
if (priv->in_type == MemoryType::D3D11) {
if (!gst_is_d3d11_memory (mem)) {
GST_WARNING_OBJECT (self, "Input memory is not d3d11");
priv->transfer_type = TransferType::SYSTEM;
return;
}
auto dmem = GST_D3D11_MEMORY_CAST (mem);
if (dmem->device != priv->device11) {
GST_INFO_OBJECT (self, "d3d11 device is updated");
std::lock_guard < std::recursive_mutex > lk (priv->lock);
gst_clear_object (&priv->device11);
priv->device11 = (GstD3D11Device *) gst_object_ref (dmem->device);
gint64 luid11;
gint64 luid12;
g_object_get (priv->device11, "adapter-luid", &luid11, nullptr);
g_object_get (priv->device12, "adapter-luid", &luid12, nullptr);
if (luid11 != luid12) {
auto prev_device12 = priv->device12;
priv->device12 = nullptr;
priv->search_type = DeviceSearchType::LUID;
priv->luid = luid11;
if (!gst_d3d12_ensure_element_data_for_adapter_luid (GST_ELEMENT (self),
luid11, &priv->device12)) {
GST_WARNING_OBJECT (self, "Couldn't get d3d12 device");
priv->search_type = DeviceSearchType::PROPERTY;
priv->transfer_type = TransferType::SYSTEM;
priv->device12 = prev_device12;
return;
}
priv->search_type = DeviceSearchType::PROPERTY;
gst_clear_object (&prev_device12);
need_reconfigure = true;
}
}
} else if (priv->in_type == MemoryType::D3D12) {
if (!gst_is_d3d12_memory (mem)) {
GST_WARNING_OBJECT (self, "Input memory is not d3d12");
priv->transfer_type = TransferType::SYSTEM;
return;
}
auto dmem = GST_D3D12_MEMORY_CAST (mem);
if (!gst_d3d12_device_is_equal (dmem->device, priv->device12)) {
GST_INFO_OBJECT (self, "d3d12 device is updated");
std::lock_guard < std::recursive_mutex > lk (priv->lock);
gst_clear_object (&priv->device12);
priv->device12 = (GstD3D12Device *) gst_object_ref (dmem->device);
g_object_get (priv->device12, "adapter-luid", &priv->luid, nullptr);
auto prev_device11 = priv->device11;
priv->device11 = nullptr;
priv->search_type = DeviceSearchType::LUID;
if (!gst_d3d11_ensure_element_data_for_adapter_luid (GST_ELEMENT (self),
priv->luid, &priv->device11)) {
GST_WARNING_OBJECT (self, "Couldn't get d3d11 device");
priv->search_type = DeviceSearchType::PROPERTY;
priv->transfer_type = TransferType::SYSTEM;
priv->device11 = prev_device11;
return;
}
priv->search_type = DeviceSearchType::PROPERTY;
gst_clear_object (&prev_device11);
need_reconfigure = true;
}
}
if (need_reconfigure) {
GST_DEBUG_OBJECT (self, "Reconfiguring for device update");
gst_d3d12_memory_copy_set_caps (trans, priv->incaps, priv->outcaps);
gst_base_transform_reconfigure_src (trans);
}
}
static GstFlowReturn
gst_d3d12_memory_copy_system_copy (GstD3D12MemoryCopy * self,
GstBuffer * inbuf, GstBuffer * outbuf)
{
auto priv = self->priv;
GstVideoFrame in_frame, out_frame;
GstFlowReturn ret = GST_FLOW_OK;
if (!gst_video_frame_map (&in_frame, &priv->info, inbuf, GST_MAP_READ)) {
GST_ERROR_OBJECT (self, "Couldn't map input frame");
return GST_FLOW_ERROR;
}
if (!gst_video_frame_map (&out_frame, &priv->info, outbuf, GST_MAP_WRITE)) {
GST_ERROR_OBJECT (self, "Couldn't map output frame");
gst_video_frame_unmap (&in_frame);
return GST_FLOW_ERROR;
}
if (!gst_video_frame_copy (&out_frame, &in_frame)) {
GST_ERROR_OBJECT (self, "Copy failed");
ret = GST_FLOW_ERROR;
}
gst_video_frame_unmap (&out_frame);
gst_video_frame_unmap (&in_frame);
return ret;
}
static gboolean
gst_d3d12_memory_copy_11_to_12 (GstD3D12MemoryCopy * self,
GstBuffer * inbuf, GstBuffer * outbuf)
{
auto priv = self->priv;
GstD3D11DeviceLockGuard lk (priv->device11);
for (guint i = 0; i < gst_buffer_n_memory (inbuf); i++) {
GstMapInfo in_map;
auto in_mem = gst_buffer_peek_memory (inbuf, i);
auto in_mem11 = GST_D3D11_MEMORY_CAST (in_mem);
auto out_mem12 = (GstD3D12Memory *) gst_buffer_peek_memory (outbuf, i);
auto out_tex11 = gst_d3d12_memory_get_d3d11_texture (out_mem12,
priv->device11_5.Get ());
if (!out_tex11) {
GST_ERROR_OBJECT (self, "Couldn't get shared texture11");
return FALSE;
}
if (!gst_memory_map (in_mem, &in_map,
(GstMapFlags) (GST_MAP_READ | GST_MAP_D3D11))) {
GST_ERROR_OBJECT (self, "Couldn't map input memory");
return FALSE;
}
auto in_tex11 = (ID3D11Texture2D *) in_map.data;
D3D11_TEXTURE2D_DESC in_desc;
D3D11_TEXTURE2D_DESC out_desc;
in_tex11->GetDesc (&in_desc);
out_tex11->GetDesc (&out_desc);
if (in_desc.Format != out_desc.Format) {
GST_ERROR_OBJECT (self, "Different DXGI format");
gst_memory_unmap (in_mem, &in_map);
return FALSE;
}
auto subresource = gst_d3d11_memory_get_subresource_index (in_mem11);
D3D11_BOX src_box = { };
src_box.back = 1;
src_box.right = MIN (in_desc.Width, out_desc.Width);
src_box.bottom = MIN (in_desc.Height, out_desc.Height);
priv->context11_4->CopySubresourceRegion (out_tex11, 0, 0, 0, 0,
in_tex11, subresource, &src_box);
gst_memory_unmap (in_mem, &in_map);
}
priv->fence_val++;
auto hr = priv->context11_4->Signal (priv->fence11_on_11.Get (),
priv->fence_val);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Signal failed");
return FALSE;
}
gst_d3d12_buffer_set_fence (outbuf,
priv->fence12_on_11.Get (), priv->fence_val, FALSE);
return TRUE;
}
static gboolean
gst_d3d12_memory_copy_12_to_11 (GstD3D12MemoryCopy * self,
GstBuffer * inbuf, GstBuffer * outbuf)
{
auto priv = self->priv;
for (guint i = 0; i < gst_buffer_n_memory (inbuf); i++) {
GstMapInfo in_map, out_map;
auto in_mem = gst_buffer_peek_memory (inbuf, i);
auto in_mem12 = GST_D3D12_MEMORY_CAST (in_mem);
auto out_mem = gst_buffer_peek_memory (outbuf, i);
if (!gst_memory_map (in_mem, &in_map, GST_MAP_READ_D3D12)) {
GST_ERROR_OBJECT (self, "Couldn't map input memory");
return FALSE;
}
if (!gst_memory_map (out_mem, &out_map,
(GstMapFlags) (GST_MAP_WRITE | GST_MAP_D3D11))) {
GST_ERROR_OBJECT (self, "Couldn't map output memory");
gst_memory_unmap (in_mem, &in_map);
return FALSE;
}
auto in_tex11 = gst_d3d12_memory_get_d3d11_texture (in_mem12,
priv->device11_5.Get ());
if (!in_tex11) {
GST_ERROR_OBJECT (self, "Couldn't get shared texture11");
gst_memory_unmap (out_mem, &out_map);
gst_memory_unmap (in_mem, &in_map);
return FALSE;
}
auto out_tex11 = (ID3D11Texture2D *) out_map.data;
D3D11_TEXTURE2D_DESC in_desc;
D3D11_TEXTURE2D_DESC out_desc;
in_tex11->GetDesc (&in_desc);
out_tex11->GetDesc (&out_desc);
if (in_desc.Format != out_desc.Format) {
GST_ERROR_OBJECT (self, "Different DXGI format");
gst_memory_unmap (out_mem, &out_map);
gst_memory_unmap (in_mem, &in_map);
return FALSE;
}
ComPtr < ID3D12Fence > fence12;
guint64 fence_val = 0;
HRESULT hr;
if (gst_d3d12_memory_get_fence (in_mem12, &fence12, &fence_val)) {
auto completed = fence12->GetCompletedValue ();
if (completed < fence_val) {
GST_TRACE_OBJECT (self, "Completed %" G_GUINT64_FORMAT
" < WaitValue %" G_GUINT64_FORMAT, completed, fence_val);
if (fence12.Get () == priv->fence12.Get ()) {
GstD3D11DeviceLockGuard lk (priv->device11);
hr = priv->context11_4->Wait (priv->fence11.Get (), fence_val);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Wait failed");
gst_memory_unmap (out_mem, &out_map);
gst_memory_unmap (in_mem, &in_map);
return FALSE;
}
} else if (priv->fence12_external == fence12) {
GST_LOG_OBJECT (self, "Reuse shared fence");
GstD3D11DeviceLockGuard lk (priv->device11);
hr = priv->context11_4->Wait (priv->fence11_external.Get (),
fence_val);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Wait failed");
gst_memory_unmap (out_mem, &out_map);
gst_memory_unmap (in_mem, &in_map);
return FALSE;
}
} else {
ComPtr < ID3D12Fence1 > fence12_1;
bool need_sync = true;
hr = fence12.As (&fence12_1);
if (SUCCEEDED (hr)) {
if ((fence12_1->GetCreationFlags () & D3D12_FENCE_FLAG_SHARED) ==
D3D12_FENCE_FLAG_SHARED) {
auto device12 =
gst_d3d12_device_get_device_handle (priv->device12);
HANDLE handle;
hr = device12->CreateSharedHandle (fence12.Get (), nullptr,
GENERIC_ALL, nullptr, &handle);
if (SUCCEEDED (hr)) {
ComPtr < ID3D11Fence > fence11;
hr = priv->device11_5->OpenSharedFence (handle,
IID_PPV_ARGS (&fence11));
CloseHandle (handle);
if (SUCCEEDED (hr)) {
GST_DEBUG_OBJECT (self, "Opened new external shared fence");
priv->fence12_external = fence12;
priv->fence11_external = fence11;
GstD3D11DeviceLockGuard lk (priv->device11);
hr = priv->context11_4->Wait (fence11.Get (), fence_val);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Wait failed");
gst_memory_unmap (out_mem, &out_map);
gst_memory_unmap (in_mem, &in_map);
return FALSE;
}
need_sync = false;
}
}
}
}
if (need_sync)
gst_d3d12_memory_sync (in_mem12);
}
}
}
D3D11_BOX src_box = { };
src_box.back = 1;
src_box.right = MIN (in_desc.Width, out_desc.Width);
src_box.bottom = MIN (in_desc.Height, out_desc.Height);
{
GstD3D11DeviceLockGuard lk (priv->device11);
priv->context11_4->CopySubresourceRegion (out_tex11, 0, 0, 0, 0,
in_tex11, 0, &src_box);
priv->fence_val++;
hr = priv->context11_4->Signal (priv->fence11_on_11.Get (),
priv->fence_val);
}
gst_memory_unmap (out_mem, &out_map);
gst_memory_unmap (in_mem, &in_map);
if (FAILED (hr)) {
GST_ERROR_OBJECT (self, "Signal failed");
return FALSE;
}
priv->fence_waiter->wait_async (priv->fence_val, in_mem);
}
return TRUE;
}
static GstBuffer *
gst_d3d12_memory_copy_upload (GstD3D12MemoryCopy * self, GstBuffer * buffer)
{
auto priv = self->priv;
if (priv->transfer_type == TransferType::D3D12_TO_11) {
bool need_copy = false;
for (guint i = 0; i < gst_buffer_n_memory (buffer); i++) {
auto dmem12 = (GstD3D12Memory *) gst_buffer_peek_memory (buffer, i);
auto tex11 = gst_d3d12_memory_get_d3d11_texture (dmem12,
priv->device11_5.Get ());
if (!tex11) {
need_copy = true;
break;
}
}
if (need_copy) {
GstBuffer *upload_buf = nullptr;
gst_buffer_pool_acquire_buffer (priv->fallback_pool12,
&upload_buf, nullptr);
if (!upload_buf) {
GST_ERROR_OBJECT (self, "Couldn't acquire upload buffer");
priv->transfer_type = TransferType::SYSTEM;
return gst_buffer_ref (buffer);
}
if (!gst_d3d12_buffer_copy_into (upload_buf, buffer, &priv->info)) {
GST_ERROR_OBJECT (self, "Couldn't copy to intermediate buffer");
gst_buffer_unref (upload_buf);
priv->transfer_type = TransferType::SYSTEM;
return gst_buffer_ref (buffer);
}
return upload_buf;
}
}
return gst_buffer_ref (buffer);
}
static GstFlowReturn
gst_d3d12_memory_copy_transform (GstBaseTransform * trans, GstBuffer * inbuf,
GstBuffer * outbuf)
{
auto self = GST_D3D12_MEMORY_COPY (trans);
auto priv = self->priv;
if (priv->transfer_type != TransferType::SYSTEM) {
if (gst_buffer_n_memory (inbuf) != gst_buffer_n_memory (outbuf)) {
GST_WARNING_OBJECT (self, "Different memory layout");
priv->transfer_type = TransferType::SYSTEM;
}
}
GstBuffer *upload_buf = gst_d3d12_memory_copy_upload (self, inbuf);
if (!upload_buf) {
GST_ERROR_OBJECT (self, "Null upload buffer");
return GST_FLOW_ERROR;
}
if (priv->transfer_type == TransferType::D3D11_TO_12) {
if (gst_d3d12_memory_copy_11_to_12 (self, upload_buf, outbuf)) {
GST_LOG_OBJECT (self, "Copy 11-to-12 done");
gst_buffer_unref (upload_buf);
return GST_FLOW_OK;
}
priv->transfer_type = TransferType::SYSTEM;
} else if (priv->transfer_type == TransferType::D3D12_TO_11) {
if (gst_d3d12_memory_copy_12_to_11 (self, upload_buf, outbuf)) {
GST_LOG_OBJECT (self, "Copy 12-to-11 done");
gst_buffer_unref (upload_buf);
return GST_FLOW_OK;
}
priv->transfer_type = TransferType::SYSTEM;
}
auto ret = gst_d3d12_memory_copy_system_copy (self, upload_buf, outbuf);
gst_buffer_unref (upload_buf);
return ret;
}
struct _GstD3D12Upload
{
GstD3D12MemoryCopy parent;
};
G_DEFINE_TYPE (GstD3D12Upload, gst_d3d12_upload, GST_TYPE_D3D12_MEMORY_COPY);
static void
gst_d3d12_upload_class_init (GstD3D12UploadClass * klass)
{
auto element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_set_static_metadata (element_class,
"Direct3D12 Uploader", "Filter/Video",
"Uploads system memory into Direct3D12 texture memory",
"Seungha Yang <seungha@centricular.com>");
}
static void
gst_d3d12_upload_init (GstD3D12Upload * self)
{
auto memcpy = GST_D3D12_MEMORY_COPY (self);
memcpy->priv->is_uploader = true;
}
struct _GstD3D12Download
{
GstD3D12MemoryCopy parent;
};
G_DEFINE_TYPE (GstD3D12Download, gst_d3d12_download,
GST_TYPE_D3D12_MEMORY_COPY);
static void
gst_d3d12_download_class_init (GstD3D12DownloadClass * klass)
{
auto element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_set_static_metadata (element_class,
"Direct3D12 Downloader", "Filter/Video",
"Downloads Direct3D12 texture memory into system memory",
"Seungha Yang <seungha@centricular.com>");
}
static void
gst_d3d12_download_init (GstD3D12Download * self)
{
auto memcpy = GST_D3D12_MEMORY_COPY (self);
memcpy->priv->is_uploader = false;
}
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