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cudautils: add support of D3D11 resource as Cuda graphics resource type

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1807>
This commit is contained in:
Corentin Damman 2022-02-28 14:40:51 +01:00 committed by GStreamer Marge Bot
parent f76ecf1e63
commit 895f11401d
4 changed files with 81 additions and 3 deletions
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69
subprojects/gst-plugins-bad/sys/nvcodec/gstcudautils.c
View file

@ -29,6 +29,10 @@
#include <gst/gl/gstglfuncs.h>
#endif
#ifdef HAVE_NVCODEC_GST_D3D11
#include <gst/d3d11/gstd3d11.h>
#endif
GST_DEBUG_CATEGORY_STATIC (gst_cuda_utils_debug);
#define GST_CAT_DEFAULT gst_cuda_utils_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_CONTEXT);
@ -457,6 +461,42 @@ gst_cuda_graphics_resource_register_gl_buffer (GstCudaGraphicsResource *
return TRUE;
}
/**
* gst_cuda_graphics_resource_register_d3d11_resource: (skip)
* @resource a #GstCudaGraphicsResource
* @d3d11_resource: a ID3D11Resource
* @flags: a #CUgraphicsRegisterFlags
*
* Register the @d3d11_resource for accessing by CUDA.
* Must be called with d3d11 device lock with current cuda context was
* pushed on the current thread
*
* Returns: whether @d3d11_resource was registered or not
*/
gboolean
gst_cuda_graphics_resource_register_d3d11_resource (GstCudaGraphicsResource *
resource, gpointer d3d11_resource, CUgraphicsRegisterFlags flags)
{
CUresult cuda_ret;
g_return_val_if_fail (resource != NULL, FALSE);
g_return_val_if_fail (resource->registered == FALSE, FALSE);
_init_debug ();
cuda_ret = CuGraphicsD3D11RegisterResource (&resource->resource,
d3d11_resource, flags);
if (!gst_cuda_result (cuda_ret))
return FALSE;
resource->registered = TRUE;
resource->type = GST_CUDA_GRAPHICS_RESOURCE_D3D11_RESOURCE;
resource->flags = flags;
return TRUE;
}
/**
* gst_cuda_graphics_resource_unregister: (skip)
* @resource: a #GstCudaGraphicsResource
@ -561,6 +601,28 @@ unregister_resource_from_gl_thread (GstGLContext * gl_context,
}
#endif
#ifdef HAVE_NVCODEC_GST_D3D11
static void
unregister_d3d11_resource (GstCudaGraphicsResource * resource)
{
GstCudaContext *cuda_context = resource->cuda_context;
GstD3D11Device *device = GST_D3D11_DEVICE (resource->graphics_context);
if (!gst_cuda_context_push (cuda_context)) {
GST_WARNING_OBJECT (cuda_context, "failed to push CUDA context");
return;
}
gst_d3d11_device_lock (device);
gst_cuda_graphics_resource_unregister (resource);
gst_d3d11_device_unlock (device);
if (!gst_cuda_context_pop (NULL)) {
GST_WARNING_OBJECT (cuda_context, "failed to pop CUDA context");
}
}
#endif
/**
* gst_cuda_graphics_resource_free: (skip)
* @resource: a #GstCudaGraphicsResource
@ -579,9 +641,14 @@ gst_cuda_graphics_resource_free (GstCudaGraphicsResource * resource)
(GstGLContextThreadFunc) unregister_resource_from_gl_thread,
resource);
} else
#endif
#ifdef HAVE_NVCODEC_GST_D3D11
if (resource->type == GST_CUDA_GRAPHICS_RESOURCE_D3D11_RESOURCE) {
unregister_d3d11_resource (resource);
} else
#endif
{
/* FIXME: currently opengl only */
/* FIXME: currently only opengl & d3d11 */
g_assert_not_reached ();
}
}

7
subprojects/gst-plugins-bad/sys/nvcodec/gstcudautils.h
View file

@ -83,12 +83,13 @@ typedef enum
{
GST_CUDA_GRAPHICS_RESOURCE_NONE = 0,
GST_CUDA_GRAPHICS_RESOURCE_GL_BUFFER = 1,
GST_CUDA_GRAPHICS_RESOURCE_D3D11_RESOURCE = 2,
} GstCudaGraphicsResourceType;
typedef struct _GstCudaGraphicsResource
{
GstCudaContext *cuda_context;
/* GL context (or d3d11 context in the future) */
/* GL context or D3D11 device */
GstObject *graphics_context;
GstCudaGraphicsResourceType type;
@ -124,6 +125,10 @@ gboolean gst_cuda_graphics_resource_register_gl_buffer (GstCudaGraphicsRe
guint buffer,
CUgraphicsRegisterFlags flags);
gboolean gst_cuda_graphics_resource_register_d3d11_resource (GstCudaGraphicsResource * resource,
gpointer d3d11_resource,
CUgraphicsRegisterFlags flags);
void gst_cuda_graphics_resource_unregister (GstCudaGraphicsResource * resource);
CUgraphicsResource gst_cuda_graphics_resource_map (GstCudaGraphicsResource * resource,

6
subprojects/gst-plugins-bad/sys/nvcodec/meson.build
View file

@ -42,6 +42,10 @@ if gstgl_dep.found()
extra_c_args += ['-DHAVE_NVCODEC_GST_GL=1']
endif
if gstd3d11_dep.found()
extra_c_args += ['-DHAVE_NVCODEC_GST_D3D11=1']
endif
if host_system == 'linux'
have_nvmm = false
if cc.has_header('nvbufsurface.h')
@ -62,7 +66,7 @@ gstnvcodec = library('gstnvcodec',
nvcodec_sources,
c_args : gst_plugins_bad_args + extra_c_args,
include_directories : plugin_incdirs,
dependencies : [gstbase_dep, gstvideo_dep, gstpbutils_dep, gstgl_dep, gstglproto_dep, gmodule_dep, gstcodecs_dep],
dependencies : [gstbase_dep, gstvideo_dep, gstpbutils_dep, gstgl_dep, gstglproto_dep, gmodule_dep, gstcodecs_dep, gstd3d11_dep],
install : true,
install_dir : plugins_install_dir,
)

2
subprojects/gst-plugins-bad/sys/nvcodec/stub/cuda.h
View file

@ -60,6 +60,8 @@ typedef enum
CU_GRAPHICS_REGISTER_FLAGS_NONE = 0x00,
CU_GRAPHICS_REGISTER_FLAGS_READ_ONLY = 0x01,
CU_GRAPHICS_REGISTER_FLAGS_WRITE_DISCARD = 0x02,
CU_GRAPHICS_REGISTER_FLAGS_SURFACE_LOAD_STORE = 0x04,
CU_GRAPHICS_REGISTER_FLAGS_TEXTURE_GATHER = 0x08,
} CUgraphicsRegisterFlags;
typedef enum