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gstreamer/subprojects/gst-plugins-bad/sys/d3d12/gstd3d12memorycopy.cpp
Seungha Yang 88efaa35a8 d3d12download: Do not overwrite fence of non-writable memory 
A fence configured in GstD3D12Memory should be used only for
write access to be completed. And because d3d12 -> d3d11 copy path
is read access to d3d12 resource, we should not set fence to
memory. Otherwise another read access to the d3d12 resource
will wait for d3d11 device context's copy operation although
simultaneous read access is allowed.

Use background thread to keep d3d12 resource and wait for d3d11 device's
copy operation instead.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7243>
2024-07-27 03:23:22 +09:00

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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_from_string (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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