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gstreamer/sys/d3d11/gstd3d11memory.c

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/* GStreamer
* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.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 <string.h>
#include "gstd3d11memory.h"
#include "gstd3d11device.h"
#include "gstd3d11utils.h"
GST_DEBUG_CATEGORY_STATIC (gst_d3d11_allocator_debug);
#define GST_CAT_DEFAULT gst_d3d11_allocator_debug
#define GST_D3D11_ALLOCATOR_GET_LOCK(a) (&(GST_D3D11_ALLOCATOR_CAST(a)->priv->lock))
#define GST_D3D11_ALLOCATOR_LOCK(a) g_mutex_lock(GST_D3D11_ALLOCATOR_GET_LOCK(a))
#define GST_D3D11_ALLOCATOR_UNLOCK(a) g_mutex_unlock(GST_D3D11_ALLOCATOR_GET_LOCK(a))
#define GST_D3D11_MEMORY_CAST(m) ((GstD3D11Memory *) m)
#define GST_D3D11_MEMORY_GET_LOCK(m) (&(GST_D3D11_MEMORY_CAST(m)->lock))
#define GST_D3D11_MEMORY_LOCK(m) g_mutex_lock(GST_D3D11_MEMORY_GET_LOCK(m))
#define GST_D3D11_MEMORY_UNLOCK(m) g_mutex_unlock(GST_D3D11_MEMORY_GET_LOCK(m))
GstD3D11AllocationParams *
gst_d3d11_allocation_params_new (GstD3D11Device * device, GstVideoInfo * info,
GstD3D11AllocationFlags flags, gint bind_flags)
{
GstD3D11AllocationParams *ret;
const GstD3D11Format *d3d11_format;
gint i;
g_return_val_if_fail (info != NULL, NULL);
d3d11_format = gst_d3d11_device_format_from_gst (device,
GST_VIDEO_INFO_FORMAT (info));
if (!d3d11_format) {
GST_WARNING ("Couldn't get d3d11 format");
return NULL;
}
ret = g_new0 (GstD3D11AllocationParams, 1);
ret->info = *info;
ret->aligned_info = *info;
ret->d3d11_format = d3d11_format;
/* Usage Flag
* https://docs.microsoft.com/en-us/windows/win32/api/d3d11/ne-d3d11-d3d11_usage
*
* +----------------------------------------------------------+
* | Resource Usage | Default | Dynamic | Immutable | Staging |
* +----------------+---------+---------+-----------+---------+
* | GPU-Read | Yes | Yes | Yes | Yes |
* | GPU-Write | Yes | | | Yes |
* | CPU-Read | | | | Yes |
* | CPU-Write | | Yes | | Yes |
* +----------------------------------------------------------+
*/
/* If corresponding dxgi format is undefined, use resource format instead */
if (d3d11_format->dxgi_format == DXGI_FORMAT_UNKNOWN) {
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (info); i++) {
g_assert (d3d11_format->resource_format[i] != DXGI_FORMAT_UNKNOWN);
ret->desc[i].Width = GST_VIDEO_INFO_COMP_WIDTH (info, i);
ret->desc[i].Height = GST_VIDEO_INFO_COMP_HEIGHT (info, i);
ret->desc[i].MipLevels = 1;
ret->desc[i].ArraySize = 1;
ret->desc[i].Format = d3d11_format->resource_format[i];
ret->desc[i].SampleDesc.Count = 1;
ret->desc[i].SampleDesc.Quality = 0;
ret->desc[i].Usage = D3D11_USAGE_DEFAULT;
ret->desc[i].BindFlags = bind_flags;
}
} else {
ret->desc[0].Width = GST_VIDEO_INFO_WIDTH (info);
ret->desc[0].Height = GST_VIDEO_INFO_HEIGHT (info);
ret->desc[0].MipLevels = 1;
ret->desc[0].ArraySize = 1;
ret->desc[0].Format = d3d11_format->dxgi_format;
ret->desc[0].SampleDesc.Count = 1;
ret->desc[0].SampleDesc.Quality = 0;
ret->desc[0].Usage = D3D11_USAGE_DEFAULT;
ret->desc[0].BindFlags = bind_flags;
}
ret->flags = flags;
return ret;
}
gboolean
gst_d3d11_allocation_params_alignment (GstD3D11AllocationParams * params,
GstVideoAlignment * align)
{
gint i;
guint padding_width, padding_height;
GstVideoInfo *info;
GstVideoInfo new_info;
g_return_val_if_fail (params != NULL, FALSE);
g_return_val_if_fail (align != NULL, FALSE);
/* d3d11 does not support stride align. Consider padding only */
padding_width = align->padding_left + align->padding_right;
padding_height = align->padding_top + align->padding_bottom;
info = &params->info;
if (!gst_video_info_set_format (&new_info, GST_VIDEO_INFO_FORMAT (info),
GST_VIDEO_INFO_WIDTH (info) + padding_width,
GST_VIDEO_INFO_HEIGHT (info) + padding_height)) {
GST_WARNING ("Set format fail");
return FALSE;
}
params->aligned_info = new_info;
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (info); i++) {
params->desc[i].Width = GST_VIDEO_INFO_COMP_WIDTH (&new_info, i);
params->desc[i].Height = GST_VIDEO_INFO_COMP_HEIGHT (&new_info, i);
}
return TRUE;
}
GstD3D11AllocationParams *
gst_d3d11_allocation_params_copy (GstD3D11AllocationParams * src)
{
GstD3D11AllocationParams *dst;
g_return_val_if_fail (src != NULL, NULL);
dst = g_new0 (GstD3D11AllocationParams, 1);
memcpy (dst, src, sizeof (GstD3D11AllocationParams));
return dst;
}
void
gst_d3d11_allocation_params_free (GstD3D11AllocationParams * params)
{
g_free (params);
}
static gint
gst_d3d11_allocation_params_compare (const GstD3D11AllocationParams * p1,
const GstD3D11AllocationParams * p2)
{
g_return_val_if_fail (p1 != NULL, -1);
g_return_val_if_fail (p2 != NULL, -1);
if (p1 == p2)
return 0;
return -1;
}
static void
_init_alloc_params (GType type)
{
static GstValueTable table = {
0, (GstValueCompareFunc) gst_d3d11_allocation_params_compare,
NULL, NULL
};
table.type = type;
gst_value_register (&table);
}
G_DEFINE_BOXED_TYPE_WITH_CODE (GstD3D11AllocationParams,
gst_d3d11_allocation_params,
(GBoxedCopyFunc) gst_d3d11_allocation_params_copy,
(GBoxedFreeFunc) gst_d3d11_allocation_params_free,
_init_alloc_params (g_define_type_id));
struct _GstD3D11AllocatorPrivate
{
/* parent texture when array typed memory is used */
ID3D11Texture2D *texture;
GArray *array_in_use;
GArray *decoder_output_view_array;
GArray *processor_input_view_array;
GMutex lock;
GCond cond;
gboolean flushing;
};
#define gst_d3d11_allocator_parent_class parent_class
G_DEFINE_TYPE_WITH_PRIVATE (GstD3D11Allocator,
gst_d3d11_allocator, GST_TYPE_ALLOCATOR);
static inline D3D11_MAP
gst_map_flags_to_d3d11 (GstMapFlags flags)
{
if ((flags & GST_MAP_READWRITE) == GST_MAP_READWRITE)
return D3D11_MAP_READ_WRITE;
else if ((flags & GST_MAP_WRITE) == GST_MAP_WRITE)
return D3D11_MAP_WRITE;
else if ((flags & GST_MAP_READ) == GST_MAP_READ)
return D3D11_MAP_READ;
else
g_assert_not_reached ();
return D3D11_MAP_READ;
}
static ID3D11Texture2D *
create_staging_texture (GstD3D11Device * device,
const D3D11_TEXTURE2D_DESC * ref)
{
D3D11_TEXTURE2D_DESC desc = { 0, };
desc.Width = ref->Width;
desc.Height = ref->Height;
desc.MipLevels = 1;
desc.Format = ref->Format;
desc.SampleDesc.Count = 1;
desc.ArraySize = 1;
desc.Usage = D3D11_USAGE_STAGING;
desc.CPUAccessFlags = (D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE);
return gst_d3d11_device_create_texture (device, &desc, NULL);
}
static gboolean
map_cpu_access_data (GstD3D11Memory * dmem, D3D11_MAP map_type)
{
HRESULT hr;
gboolean ret = TRUE;
ID3D11Resource *texture = (ID3D11Resource *) dmem->texture;
ID3D11Resource *staging = (ID3D11Resource *) dmem->staging;
ID3D11DeviceContext *device_context =
gst_d3d11_device_get_device_context_handle (dmem->device);
gst_d3d11_device_lock (dmem->device);
if (GST_MEMORY_FLAG_IS_SET (dmem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD)) {
ID3D11DeviceContext_CopySubresourceRegion (device_context,
staging, 0, 0, 0, 0, texture, dmem->subresource_index, NULL);
}
hr = ID3D11DeviceContext_Map (device_context,
staging, 0, map_type, 0, &dmem->map);
if (!gst_d3d11_result (hr, dmem->device)) {
GST_ERROR_OBJECT (GST_MEMORY_CAST (dmem)->allocator,
"Failed to map staging texture (0x%x)", (guint) hr);
ret = FALSE;
}
gst_d3d11_device_unlock (dmem->device);
return ret;
}
static gpointer
gst_d3d11_memory_map_staging (GstMemory * mem, GstMapFlags flags)
{
GstD3D11Memory *dmem = (GstD3D11Memory *) mem;
GST_D3D11_MEMORY_LOCK (dmem);
if (dmem->cpu_map_count == 0) {
ID3D11DeviceContext *device_context =
gst_d3d11_device_get_device_context_handle (dmem->device);
D3D11_MAP map_type;
HRESULT hr;
gboolean ret = TRUE;
map_type = gst_map_flags_to_d3d11 (flags);
gst_d3d11_device_lock (dmem->device);
hr = ID3D11DeviceContext_Map (device_context,
(ID3D11Resource *) dmem->texture, 0, map_type, 0, &dmem->map);
if (!gst_d3d11_result (hr, dmem->device)) {
GST_ERROR_OBJECT (GST_MEMORY_CAST (dmem)->allocator,
"Failed to map staging texture (0x%x)", (guint) hr);
ret = FALSE;
}
gst_d3d11_device_unlock (dmem->device);
if (!ret) {
GST_D3D11_MEMORY_UNLOCK (dmem);
return NULL;
}
}
dmem->cpu_map_count++;
GST_D3D11_MEMORY_UNLOCK (dmem);
return dmem->map.pData;
}
static gpointer
gst_d3d11_memory_map (GstMemory * mem, gsize maxsize, GstMapFlags flags)
{
GstD3D11Memory *dmem = (GstD3D11Memory *) mem;
if (dmem->type == GST_D3D11_MEMORY_TYPE_STAGING) {
if ((flags & GST_MAP_D3D11) == GST_MAP_D3D11)
return dmem->texture;
return gst_d3d11_memory_map_staging (mem, flags);
}
GST_D3D11_MEMORY_LOCK (dmem);
if ((flags & GST_MAP_D3D11) == GST_MAP_D3D11) {
if (dmem->staging &&
GST_MEMORY_FLAG_IS_SET (dmem, GST_D3D11_MEMORY_TRANSFER_NEED_UPLOAD)) {
ID3D11DeviceContext *device_context =
gst_d3d11_device_get_device_context_handle (dmem->device);
gst_d3d11_device_lock (dmem->device);
ID3D11DeviceContext_CopySubresourceRegion (device_context,
(ID3D11Resource *) dmem->texture, dmem->subresource_index, 0, 0, 0,
(ID3D11Resource *) dmem->staging, 0, NULL);
gst_d3d11_device_unlock (dmem->device);
}
GST_MEMORY_FLAG_UNSET (dmem, GST_D3D11_MEMORY_TRANSFER_NEED_UPLOAD);
if ((flags & GST_MAP_WRITE) == GST_MAP_WRITE)
GST_MINI_OBJECT_FLAG_SET (dmem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD);
g_assert (dmem->texture != NULL);
GST_D3D11_MEMORY_UNLOCK (dmem);
return dmem->texture;
}
if (dmem->cpu_map_count == 0) {
D3D11_MAP map_type;
/* Allocate staging texture for CPU access */
if (!dmem->staging) {
dmem->staging = create_staging_texture (dmem->device, &dmem->desc);
if (!dmem->staging) {
GST_ERROR_OBJECT (mem->allocator, "Couldn't create staging texture");
g_mutex_unlock (&dmem->lock);
return NULL;
}
/* first memory, always need download to staging */
GST_MINI_OBJECT_FLAG_SET (mem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD);
}
map_type = gst_map_flags_to_d3d11 (flags);
if (!map_cpu_access_data (dmem, map_type)) {
GST_ERROR_OBJECT (mem->allocator, "Couldn't map staging texture");
GST_D3D11_MEMORY_UNLOCK (dmem);
return NULL;
}
}
if ((flags & GST_MAP_WRITE) == GST_MAP_WRITE)
GST_MINI_OBJECT_FLAG_SET (mem, GST_D3D11_MEMORY_TRANSFER_NEED_UPLOAD);
GST_MEMORY_FLAG_UNSET (mem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD);
dmem->cpu_map_count++;
GST_D3D11_MEMORY_UNLOCK (dmem);
return dmem->map.pData;
}
static void
unmap_cpu_access_data (GstD3D11Memory * dmem)
{
ID3D11Resource *staging = (ID3D11Resource *) dmem->staging;
ID3D11DeviceContext *device_context =
gst_d3d11_device_get_device_context_handle (dmem->device);
if (dmem->type == GST_D3D11_MEMORY_TYPE_STAGING)
staging = (ID3D11Resource *) dmem->texture;
gst_d3d11_device_lock (dmem->device);
ID3D11DeviceContext_Unmap (device_context, staging, 0);
gst_d3d11_device_unlock (dmem->device);
}
static void
gst_d3d11_memory_unmap_full (GstMemory * mem, GstMapInfo * info)
{
GstD3D11Memory *dmem = (GstD3D11Memory *) mem;
GST_D3D11_MEMORY_LOCK (dmem);
if ((info->flags & GST_MAP_D3D11) == GST_MAP_D3D11) {
if (dmem->type != GST_D3D11_MEMORY_TYPE_STAGING &&
(info->flags & GST_MAP_WRITE) == GST_MAP_WRITE)
GST_MINI_OBJECT_FLAG_SET (mem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD);
GST_D3D11_MEMORY_UNLOCK (dmem);
return;
}
if (dmem->type != GST_D3D11_MEMORY_TYPE_STAGING &&
(info->flags & GST_MAP_WRITE))
GST_MINI_OBJECT_FLAG_SET (mem, GST_D3D11_MEMORY_TRANSFER_NEED_UPLOAD);
dmem->cpu_map_count--;
if (dmem->cpu_map_count > 0) {
GST_D3D11_MEMORY_UNLOCK (dmem);
return;
}
unmap_cpu_access_data (dmem);
GST_D3D11_MEMORY_UNLOCK (dmem);
}
static GstMemory *
gst_d3d11_memory_share (GstMemory * mem, gssize offset, gssize size)
{
/* TODO: impl. */
return NULL;
}
static GstMemory *
gst_d3d11_allocator_dummy_alloc (GstAllocator * allocator, gsize size,
GstAllocationParams * params)
{
g_return_val_if_reached (NULL);
}
static void
gst_d3d11_allocator_free (GstAllocator * allocator, GstMemory * mem)
{
GstD3D11Allocator *self = GST_D3D11_ALLOCATOR (allocator);
GstD3D11AllocatorPrivate *priv = self->priv;
GstD3D11Memory *dmem = (GstD3D11Memory *) mem;
gint i;
if (priv->array_in_use) {
GST_D3D11_ALLOCATOR_LOCK (self);
g_array_index (priv->array_in_use, guint8, dmem->subresource_index) = 0;
g_cond_broadcast (&priv->cond);
GST_D3D11_ALLOCATOR_UNLOCK (self);
}
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
if (dmem->render_target_view[i])
ID3D11RenderTargetView_Release (dmem->render_target_view[i]);
dmem->render_target_view[i] = NULL;
if (dmem->shader_resource_view[i])
ID3D11ShaderResourceView_Release (dmem->shader_resource_view[i]);
dmem->shader_resource_view[i] = NULL;
}
if (dmem->decoder_output_view)
ID3D11VideoDecoderOutputView_Release (dmem->decoder_output_view);
if (dmem->processor_input_view)
ID3D11VideoProcessorInputView_Release (dmem->processor_input_view);
if (dmem->processor_output_view)
ID3D11VideoProcessorOutputView_Release (dmem->processor_output_view);
if (dmem->texture)
ID3D11Texture2D_Release (dmem->texture);
if (dmem->staging)
ID3D11Texture2D_Release (dmem->staging);
gst_clear_object (&dmem->device);
g_mutex_clear (&dmem->lock);
g_free (dmem);
}
static void
gst_d3d11_allocator_dispose (GObject * object)
{
GstD3D11Allocator *alloc = GST_D3D11_ALLOCATOR (object);
GstD3D11AllocatorPrivate *priv = alloc->priv;
g_clear_pointer (&priv->decoder_output_view_array, g_array_unref);
g_clear_pointer (&priv->processor_input_view_array, g_array_unref);
if (alloc->device && priv->texture) {
gst_d3d11_device_release_texture (alloc->device, priv->texture);
priv->texture = NULL;
}
gst_clear_object (&alloc->device);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gst_d3d11_allocator_finalize (GObject * object)
{
GstD3D11Allocator *alloc = GST_D3D11_ALLOCATOR (object);
GstD3D11AllocatorPrivate *priv = alloc->priv;
g_mutex_clear (&priv->lock);
g_cond_clear (&priv->cond);
g_clear_pointer (&priv->array_in_use, g_array_unref);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_d3d11_allocator_class_init (GstD3D11AllocatorClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstAllocatorClass *allocator_class = GST_ALLOCATOR_CLASS (klass);
gobject_class->dispose = gst_d3d11_allocator_dispose;
gobject_class->finalize = gst_d3d11_allocator_finalize;
allocator_class->alloc = gst_d3d11_allocator_dummy_alloc;
allocator_class->free = gst_d3d11_allocator_free;
GST_DEBUG_CATEGORY_INIT (gst_d3d11_allocator_debug, "d3d11allocator", 0,
"d3d11allocator object");
}
static void
gst_d3d11_allocator_init (GstD3D11Allocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
GstD3D11AllocatorPrivate *priv;
alloc->mem_type = GST_D3D11_MEMORY_NAME;
alloc->mem_map = gst_d3d11_memory_map;
alloc->mem_unmap_full = gst_d3d11_memory_unmap_full;
alloc->mem_share = gst_d3d11_memory_share;
/* fallback copy */
GST_OBJECT_FLAG_SET (alloc, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
priv = gst_d3d11_allocator_get_instance_private (allocator);
g_mutex_init (&priv->lock);
g_cond_init (&priv->cond);
allocator->priv = priv;
}
GstD3D11Allocator *
gst_d3d11_allocator_new (GstD3D11Device * device)
{
GstD3D11Allocator *allocator;
g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), NULL);
allocator = g_object_new (GST_TYPE_D3D11_ALLOCATOR, NULL);
allocator->device = gst_object_ref (device);
return allocator;
}
static gboolean
calculate_mem_size (GstD3D11Device * device, ID3D11Texture2D * texture,
const D3D11_TEXTURE2D_DESC * desc, D3D11_MAP map_type,
gint stride[GST_VIDEO_MAX_PLANES], gsize * size)
{
HRESULT hr;
gboolean ret = TRUE;
D3D11_MAPPED_SUBRESOURCE map;
gsize offset[GST_VIDEO_MAX_PLANES];
ID3D11DeviceContext *device_context =
gst_d3d11_device_get_device_context_handle (device);
gst_d3d11_device_lock (device);
hr = ID3D11DeviceContext_Map (device_context,
(ID3D11Resource *) texture, 0, map_type, 0, &map);
if (!gst_d3d11_result (hr, device)) {
GST_ERROR_OBJECT (device, "Failed to map texture (0x%x)", (guint) hr);
gst_d3d11_device_unlock (device);
return FALSE;
}
ret = gst_d3d11_dxgi_format_get_size (desc->Format,
desc->Width, desc->Height, map.RowPitch, offset, stride, size);
ID3D11DeviceContext_Unmap (device_context, (ID3D11Resource *) texture, 0);
gst_d3d11_device_unlock (device);
return ret;
}
static gboolean
create_shader_resource_views (GstD3D11Memory * mem)
{
gint i;
HRESULT hr;
guint num_views = 0;
ID3D11Device *device_handle;
D3D11_SHADER_RESOURCE_VIEW_DESC resource_desc = { 0, };
DXGI_FORMAT formats[GST_VIDEO_MAX_PLANES] = { DXGI_FORMAT_UNKNOWN, };
device_handle = gst_d3d11_device_get_device_handle (mem->device);
switch (mem->desc.Format) {
case DXGI_FORMAT_B8G8R8A8_UNORM:
case DXGI_FORMAT_R8G8B8A8_UNORM:
case DXGI_FORMAT_R10G10B10A2_UNORM:
case DXGI_FORMAT_R8_UNORM:
case DXGI_FORMAT_R8G8_UNORM:
case DXGI_FORMAT_R16_UNORM:
case DXGI_FORMAT_R16G16_UNORM:
case DXGI_FORMAT_G8R8_G8B8_UNORM:
case DXGI_FORMAT_R8G8_B8G8_UNORM:
num_views = 1;
formats[0] = mem->desc.Format;
break;
case DXGI_FORMAT_AYUV:
case DXGI_FORMAT_YUY2:
num_views = 1;
formats[0] = DXGI_FORMAT_R8G8B8A8_UNORM;
break;
case DXGI_FORMAT_NV12:
num_views = 2;
formats[0] = DXGI_FORMAT_R8_UNORM;
formats[1] = DXGI_FORMAT_R8G8_UNORM;
break;
case DXGI_FORMAT_P010:
case DXGI_FORMAT_P016:
num_views = 2;
formats[0] = DXGI_FORMAT_R16_UNORM;
formats[1] = DXGI_FORMAT_R16G16_UNORM;
break;
default:
g_assert_not_reached ();
return FALSE;
}
if ((mem->desc.BindFlags & D3D11_BIND_SHADER_RESOURCE) ==
D3D11_BIND_SHADER_RESOURCE) {
resource_desc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
resource_desc.Texture2D.MipLevels = 1;
for (i = 0; i < num_views; i++) {
resource_desc.Format = formats[i];
hr = ID3D11Device_CreateShaderResourceView (device_handle,
(ID3D11Resource *) mem->texture, &resource_desc,
&mem->shader_resource_view[i]);
if (!gst_d3d11_result (hr, mem->device)) {
GST_ERROR_OBJECT (GST_MEMORY_CAST (mem)->allocator,
"Failed to create %dth resource view (0x%x)", i, (guint) hr);
goto error;
}
}
mem->num_shader_resource_views = num_views;
return TRUE;
}
return FALSE;
error:
for (i = 0; i < num_views; i++) {
if (mem->shader_resource_view[i])
ID3D11ShaderResourceView_Release (mem->shader_resource_view[i]);
mem->shader_resource_view[i] = NULL;
}
mem->num_shader_resource_views = 0;
return FALSE;
}
static gboolean
create_render_target_views (GstD3D11Memory * mem)
{
gint i;
HRESULT hr;
guint num_views = 0;
ID3D11Device *device_handle;
D3D11_RENDER_TARGET_VIEW_DESC render_desc = { 0, };
DXGI_FORMAT formats[GST_VIDEO_MAX_PLANES] = { DXGI_FORMAT_UNKNOWN, };
device_handle = gst_d3d11_device_get_device_handle (mem->device);
switch (mem->desc.Format) {
case DXGI_FORMAT_B8G8R8A8_UNORM:
case DXGI_FORMAT_R8G8B8A8_UNORM:
case DXGI_FORMAT_R10G10B10A2_UNORM:
case DXGI_FORMAT_R8_UNORM:
case DXGI_FORMAT_R8G8_UNORM:
case DXGI_FORMAT_R16_UNORM:
case DXGI_FORMAT_R16G16_UNORM:
num_views = 1;
formats[0] = mem->desc.Format;
break;
case DXGI_FORMAT_AYUV:
num_views = 1;
formats[0] = DXGI_FORMAT_R8G8B8A8_UNORM;
break;
case DXGI_FORMAT_NV12:
num_views = 2;
formats[0] = DXGI_FORMAT_R8_UNORM;
formats[1] = DXGI_FORMAT_R8G8_UNORM;
break;
case DXGI_FORMAT_P010:
case DXGI_FORMAT_P016:
num_views = 2;
formats[0] = DXGI_FORMAT_R16_UNORM;
formats[1] = DXGI_FORMAT_R16G16_UNORM;
break;
default:
g_assert_not_reached ();
return FALSE;
}
if ((mem->desc.BindFlags & D3D11_BIND_RENDER_TARGET) ==
D3D11_BIND_RENDER_TARGET) {
render_desc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
render_desc.Texture2D.MipSlice = 0;
for (i = 0; i < num_views; i++) {
render_desc.Format = formats[i];
hr = ID3D11Device_CreateRenderTargetView (device_handle,
(ID3D11Resource *) mem->texture, &render_desc,
&mem->render_target_view[i]);
if (!gst_d3d11_result (hr, mem->device)) {
GST_ERROR_OBJECT (GST_MEMORY_CAST (mem)->allocator,
"Failed to create %dth render target view (0x%x)", i, (guint) hr);
goto error;
}
}
mem->num_render_target_views = num_views;
return TRUE;
}
return FALSE;
error:
for (i = 0; i < num_views; i++) {
if (mem->render_target_view[i])
ID3D11RenderTargetView_Release (mem->render_target_view[i]);
mem->render_target_view[i] = NULL;
}
mem->num_render_target_views = 0;
return FALSE;
}
static void
gst_d3d11_decoder_output_view_clear (ID3D11VideoDecoderOutputView ** view)
{
if (view && *view) {
ID3D11VideoDecoderOutputView_Release (*view);
*view = NULL;
}
}
static void
gst_d3d11_processor_input_view_clear (ID3D11VideoProcessorInputView ** view)
{
if (view && *view) {
ID3D11VideoProcessorInputView_Release (*view);
*view = NULL;
}
}
static gboolean
check_bind_flags_for_processor_input_view (guint bind_flags)
{
static const guint compatible_flags = (D3D11_BIND_DECODER |
D3D11_BIND_VIDEO_ENCODER | D3D11_BIND_RENDER_TARGET |
D3D11_BIND_UNORDERED_ACCESS);
if (bind_flags == 0)
return TRUE;
if ((bind_flags & compatible_flags) != 0)
return TRUE;
return FALSE;
}
GstMemory *
gst_d3d11_allocator_alloc (GstD3D11Allocator * allocator,
const D3D11_TEXTURE2D_DESC * desc, GstD3D11AllocationFlags flags,
gsize size)
{
GstD3D11Memory *mem;
GstD3D11Device *device;
ID3D11Texture2D *texture = NULL;
guint index_to_use = 0;
GstD3D11AllocatorPrivate *priv;
GstD3D11MemoryType type = GST_D3D11_MEMORY_TYPE_TEXTURE;
g_return_val_if_fail (GST_IS_D3D11_ALLOCATOR (allocator), NULL);
g_return_val_if_fail (desc != NULL, NULL);
g_return_val_if_fail (size > 0, NULL);
priv = allocator->priv;
device = allocator->device;
if ((flags & GST_D3D11_ALLOCATION_FLAG_TEXTURE_ARRAY)) {
gint i;
do_again:
GST_D3D11_ALLOCATOR_LOCK (allocator);
if (priv->flushing) {
GST_DEBUG_OBJECT (allocator, "we are flushing");
GST_D3D11_ALLOCATOR_UNLOCK (allocator);
return NULL;
}
if (!priv->array_in_use) {
priv->array_in_use = g_array_sized_new (FALSE,
TRUE, sizeof (guint8), desc->ArraySize);
g_array_set_size (priv->array_in_use, desc->ArraySize);
if ((desc->BindFlags & D3D11_BIND_DECODER) == D3D11_BIND_DECODER &&
!priv->decoder_output_view_array) {
priv->decoder_output_view_array = g_array_sized_new (FALSE,
TRUE, sizeof (ID3D11VideoDecoderOutputView *), desc->ArraySize);
g_array_set_clear_func (priv->decoder_output_view_array,
(GDestroyNotify) gst_d3d11_decoder_output_view_clear);
g_array_set_size (priv->decoder_output_view_array, desc->ArraySize);
}
if (check_bind_flags_for_processor_input_view (desc->BindFlags)) {
priv->processor_input_view_array = g_array_sized_new (FALSE,
TRUE, sizeof (ID3D11VideoProcessorInputView *), desc->ArraySize);
g_array_set_clear_func (priv->processor_input_view_array,
(GDestroyNotify) gst_d3d11_processor_input_view_clear);
g_array_set_size (priv->processor_input_view_array, desc->ArraySize);
}
}
for (i = 0; i < desc->ArraySize; i++) {
if (!g_array_index (priv->array_in_use, guint8, i)) {
index_to_use = i;
break;
}
}
if (i == desc->ArraySize) {
GST_DEBUG_OBJECT (allocator, "All elements in array are used now");
g_cond_wait (&priv->cond, &priv->lock);
GST_D3D11_ALLOCATOR_UNLOCK (allocator);
goto do_again;
}
g_array_index (priv->array_in_use, guint8, index_to_use) = 1;
GST_D3D11_ALLOCATOR_UNLOCK (allocator);
if (!priv->texture) {
priv->texture = gst_d3d11_device_create_texture (device, desc, NULL);
if (!priv->texture) {
GST_ERROR_OBJECT (allocator, "Couldn't create texture");
goto error;
}
}
ID3D11Texture2D_AddRef (priv->texture);
texture = priv->texture;
type = GST_D3D11_MEMORY_TYPE_ARRAY;
} else {
texture = gst_d3d11_device_create_texture (device, desc, NULL);
if (!texture) {
GST_ERROR_OBJECT (allocator, "Couldn't create texture");
goto error;
}
}
mem = g_new0 (GstD3D11Memory, 1);
gst_memory_init (GST_MEMORY_CAST (mem),
0, GST_ALLOCATOR_CAST (allocator), NULL, size, 0, 0, size);
g_mutex_init (&mem->lock);
mem->desc = *desc;
mem->texture = texture;
mem->device = gst_object_ref (device);
mem->type = type;
mem->subresource_index = index_to_use;
return GST_MEMORY_CAST (mem);
error:
if (texture)
gst_d3d11_device_release_texture (device, texture);
return NULL;
}
GstMemory *
gst_d3d11_allocator_alloc_staging (GstD3D11Allocator * allocator,
const D3D11_TEXTURE2D_DESC * desc, GstD3D11AllocationFlags flags,
gint * stride)
{
GstD3D11Memory *mem;
GstD3D11Device *device;
ID3D11Texture2D *texture = NULL;
gsize mem_size = 0;
gint mem_stride[GST_VIDEO_MAX_PLANES];
g_return_val_if_fail (GST_IS_D3D11_ALLOCATOR (allocator), NULL);
g_return_val_if_fail (desc != NULL, NULL);
device = allocator->device;
texture = create_staging_texture (device, desc);
if (!texture) {
GST_ERROR_OBJECT (allocator, "Couldn't create staging texture");
goto error;
}
if (!calculate_mem_size (device,
texture, desc, D3D11_MAP_READ, mem_stride, &mem_size)) {
GST_ERROR_OBJECT (allocator, "Couldn't calculate staging texture size");
goto error;
}
mem = g_new0 (GstD3D11Memory, 1);
gst_memory_init (GST_MEMORY_CAST (mem),
0, GST_ALLOCATOR_CAST (allocator), NULL, mem_size, 0, 0, mem_size);
g_mutex_init (&mem->lock);
mem->desc = *desc;
mem->texture = texture;
mem->device = gst_object_ref (device);
mem->type = GST_D3D11_MEMORY_TYPE_STAGING;
/* every plan will have identical size */
if (stride)
*stride = mem_stride[0];
return GST_MEMORY_CAST (mem);
error:
if (texture)
gst_d3d11_device_release_texture (device, texture);
return NULL;
}
void
gst_d3d11_allocator_set_flushing (GstD3D11Allocator * allocator,
gboolean flushing)
{
GstD3D11AllocatorPrivate *priv;
g_return_if_fail (GST_IS_D3D11_ALLOCATOR (allocator));
priv = allocator->priv;
GST_D3D11_ALLOCATOR_LOCK (allocator);
priv->flushing = flushing;
g_cond_broadcast (&priv->cond);
GST_D3D11_ALLOCATOR_UNLOCK (allocator);
}
gboolean
gst_is_d3d11_memory (GstMemory * mem)
{
return mem != NULL && mem->allocator != NULL &&
GST_IS_D3D11_ALLOCATOR (mem->allocator);
}
gboolean
gst_d3d11_memory_ensure_shader_resource_view (GstD3D11Memory * mem)
{
gboolean ret = FALSE;
g_return_val_if_fail (gst_is_d3d11_memory (GST_MEMORY_CAST (mem)), FALSE);
if (!(mem->desc.BindFlags & D3D11_BIND_SHADER_RESOURCE)) {
GST_LOG_OBJECT (GST_MEMORY_CAST (mem)->allocator,
"Need BindFlags, current flag 0x%x", mem->desc.BindFlags);
return FALSE;
}
GST_D3D11_MEMORY_LOCK (mem);
if (mem->num_shader_resource_views) {
ret = TRUE;
goto done;
}
ret = create_shader_resource_views (mem);
done:
GST_D3D11_MEMORY_UNLOCK (mem);
return ret;
}
gboolean
gst_d3d11_memory_ensure_render_target_view (GstD3D11Memory * mem)
{
gboolean ret = FALSE;
g_return_val_if_fail (gst_is_d3d11_memory (GST_MEMORY_CAST (mem)), FALSE);
if (!(mem->desc.BindFlags & D3D11_BIND_RENDER_TARGET)) {
GST_WARNING_OBJECT (GST_MEMORY_CAST (mem)->allocator,
"Need BindFlags, current flag 0x%x", mem->desc.BindFlags);
return FALSE;
}
GST_D3D11_MEMORY_LOCK (mem);
if (mem->num_render_target_views) {
ret = TRUE;
goto done;
}
ret = create_render_target_views (mem);
done:
GST_D3D11_MEMORY_UNLOCK (mem);
return ret;
}
gboolean
gst_d3d11_memory_ensure_decoder_output_view (GstD3D11Memory * mem,
ID3D11VideoDevice * video_device, GUID * decoder_profile)
{
GstD3D11Allocator *allocator;
GstD3D11AllocatorPrivate *priv;
D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC desc;
ID3D11VideoDecoderOutputView *view = NULL;
HRESULT hr;
gboolean ret = FALSE;
g_return_val_if_fail (gst_is_d3d11_memory (GST_MEMORY_CAST (mem)), FALSE);
g_return_val_if_fail (video_device != NULL, FALSE);
g_return_val_if_fail (decoder_profile != NULL, FALSE);
allocator = GST_D3D11_ALLOCATOR (GST_MEMORY_CAST (mem)->allocator);
priv = allocator->priv;
if (!(mem->desc.BindFlags & D3D11_BIND_DECODER)) {
GST_LOG_OBJECT (allocator,
"Need BindFlags, current flag 0x%x", mem->desc.BindFlags);
return FALSE;
}
GST_D3D11_MEMORY_LOCK (mem);
if (mem->decoder_output_view) {
ID3D11VideoDecoderOutputView_GetDesc (mem->decoder_output_view, &desc);
if (IsEqualGUID (&desc.DecodeProfile, decoder_profile)) {
goto succeeded;
} else {
/* Shouldn't happen, but try again anyway */
GST_WARNING_OBJECT (allocator,
"Existing view has different decoder profile");
ID3D11VideoDecoderOutputView_Release (mem->decoder_output_view);
mem->decoder_output_view = NULL;
}
}
if (priv->decoder_output_view_array) {
GST_D3D11_ALLOCATOR_LOCK (allocator);
view = g_array_index (priv->decoder_output_view_array,
ID3D11VideoDecoderOutputView *, mem->subresource_index);
if (view) {
ID3D11VideoDecoderOutputView_GetDesc (view, &desc);
/* Shouldn't happen because decoder will not reuse this allocator
* over different codec/profiles */
if (!IsEqualGUID (&desc.DecodeProfile, decoder_profile)) {
GST_WARNING_OBJECT (allocator,
"Existing view has different decoder profile");
ID3D11VideoDecoderOutputView_Release (view);
view = NULL;
g_array_index (priv->decoder_output_view_array,
ID3D11VideoDecoderOutputView *, mem->subresource_index) = NULL;
} else {
/* Increase refcount and reuse existing view */
mem->decoder_output_view = view;
ID3D11VideoDecoderOutputView_AddRef (view);
}
}
GST_D3D11_ALLOCATOR_UNLOCK (allocator);
}
if (mem->decoder_output_view)
goto succeeded;
desc.DecodeProfile = *decoder_profile;
desc.ViewDimension = D3D11_VDOV_DIMENSION_TEXTURE2D;
desc.Texture2D.ArraySlice = mem->subresource_index;
hr = ID3D11VideoDevice_CreateVideoDecoderOutputView (video_device,
(ID3D11Resource *) mem->texture, &desc, &mem->decoder_output_view);
if (!gst_d3d11_result (hr, mem->device)) {
GST_ERROR_OBJECT (allocator,
"Could not create decoder output view, hr: 0x%x", (guint) hr);
goto done;
}
/* Store view array for later reuse */
if (priv->decoder_output_view_array) {
GST_D3D11_ALLOCATOR_LOCK (allocator);
view = g_array_index (priv->decoder_output_view_array,
ID3D11VideoDecoderOutputView *, mem->subresource_index);
if (view)
ID3D11VideoDecoderOutputView_Release (view);
g_array_index (priv->decoder_output_view_array,
ID3D11VideoDecoderOutputView *, mem->subresource_index) =
mem->decoder_output_view;
ID3D11VideoDecoderOutputView_AddRef (mem->decoder_output_view);
GST_D3D11_ALLOCATOR_UNLOCK (allocator);
}
succeeded:
ret = TRUE;
done:
GST_D3D11_MEMORY_UNLOCK (mem);
return ret;
}
gboolean
gst_d3d11_memory_ensure_processor_input_view (GstD3D11Memory * mem,
ID3D11VideoDevice * video_device,
ID3D11VideoProcessorEnumerator * enumerator)
{
GstD3D11Allocator *allocator;
GstD3D11AllocatorPrivate *priv;
D3D11_VIDEO_PROCESSOR_INPUT_VIEW_DESC desc;
ID3D11VideoProcessorInputView *view = NULL;
HRESULT hr;
gboolean ret = FALSE;
g_return_val_if_fail (gst_is_d3d11_memory (GST_MEMORY_CAST (mem)), FALSE);
g_return_val_if_fail (video_device != NULL, FALSE);
g_return_val_if_fail (enumerator != NULL, FALSE);
allocator = GST_D3D11_ALLOCATOR (GST_MEMORY_CAST (mem)->allocator);
priv = allocator->priv;
if (!check_bind_flags_for_processor_input_view (mem->desc.BindFlags)) {
GST_LOG_OBJECT (allocator,
"Need BindFlags, current flag 0x%x", mem->desc.BindFlags);
return FALSE;
}
GST_D3D11_MEMORY_LOCK (mem);
if (mem->processor_input_view)
goto succeeded;
if (priv->processor_input_view_array) {
GST_D3D11_ALLOCATOR_LOCK (allocator);
view = g_array_index (priv->processor_input_view_array,
ID3D11VideoProcessorInputView *, mem->subresource_index);
/* Increase refcount and reuse existing view */
if (view) {
mem->processor_input_view = view;
ID3D11VideoProcessorInputView_AddRef (view);
}
GST_D3D11_ALLOCATOR_UNLOCK (allocator);
}
if (mem->processor_input_view)
goto succeeded;
desc.FourCC = 0;
desc.ViewDimension = D3D11_VPIV_DIMENSION_TEXTURE2D;
desc.Texture2D.MipSlice = 0;
desc.Texture2D.ArraySlice = mem->subresource_index;
hr = ID3D11VideoDevice_CreateVideoProcessorInputView (video_device,
(ID3D11Resource *) mem->texture, enumerator, &desc,
&mem->processor_input_view);
if (!gst_d3d11_result (hr, mem->device)) {
GST_ERROR_OBJECT (allocator,
"Could not create processor input view, hr: 0x%x", (guint) hr);
goto done;
}
/* Store view array for later reuse */
if (priv->processor_input_view_array) {
GST_D3D11_ALLOCATOR_LOCK (allocator);
view = g_array_index (priv->processor_input_view_array,
ID3D11VideoProcessorInputView *, mem->subresource_index);
if (view)
ID3D11VideoProcessorInputView_Release (view);
g_array_index (priv->processor_input_view_array,
ID3D11VideoProcessorInputView *, mem->subresource_index) =
mem->processor_input_view;
ID3D11VideoProcessorInputView_AddRef (mem->processor_input_view);
GST_D3D11_ALLOCATOR_UNLOCK (allocator);
}
succeeded:
ret = TRUE;
done:
GST_D3D11_MEMORY_UNLOCK (mem);
return ret;
}
gboolean
gst_d3d11_memory_ensure_processor_output_view (GstD3D11Memory * mem,
ID3D11VideoDevice * video_device,
ID3D11VideoProcessorEnumerator * enumerator)
{
GstD3D11Allocator *allocator;
D3D11_VIDEO_PROCESSOR_OUTPUT_VIEW_DESC desc = { 0, };
HRESULT hr;
gboolean ret;
g_return_val_if_fail (gst_is_d3d11_memory (GST_MEMORY_CAST (mem)), FALSE);
g_return_val_if_fail (video_device != NULL, FALSE);
g_return_val_if_fail (enumerator != NULL, FALSE);
allocator = GST_D3D11_ALLOCATOR (GST_MEMORY_CAST (mem)->allocator);
if (!(mem->desc.BindFlags & D3D11_BIND_RENDER_TARGET)) {
GST_LOG_OBJECT (allocator,
"Need BindFlags, current flag 0x%x", mem->desc.BindFlags);
return FALSE;
}
/* FIXME: texture array should be supported at some point */
if (mem->subresource_index != 0) {
GST_FIXME_OBJECT (allocator,
"Texture array is not suppoted for processor output view");
return FALSE;
}
GST_D3D11_MEMORY_LOCK (mem);
if (mem->processor_output_view)
goto succeeded;
desc.ViewDimension = D3D11_VPOV_DIMENSION_TEXTURE2D;
desc.Texture2D.MipSlice = 0;
hr = ID3D11VideoDevice_CreateVideoProcessorOutputView (video_device,
(ID3D11Resource *) mem->texture, enumerator, &desc,
&mem->processor_output_view);
if (!gst_d3d11_result (hr, mem->device)) {
GST_ERROR_OBJECT (allocator,
"Could not create processor input view, hr: 0x%x", (guint) hr);
goto done;
}
succeeded:
ret = TRUE;
done:
GST_D3D11_MEMORY_UNLOCK (mem);
return ret;
}
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