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d3d11memory: Add private method for texture wrapped memory allocation

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Unlike public method gst_d3d11_allocator_alloc_wrapped(), newly
added method by this commit will not calculate CPU accessible memory
size, since staging texture must be allocated to calculate the size.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2697>
This commit is contained in:
Seungha Yang 2022-07-01 21:35:15 +09:00
parent 3919491eb2
commit 46a3394581
2 changed files with 50 additions and 0 deletions
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10
subprojects/gst-plugins-bad/gst-libs/gst/d3d11/gstd3d11_private.h
View file

@ -41,6 +41,16 @@ void gst_d3d11_device_dxgi_debug (GstD3D11Device * device,
const gchar * function,
gint line);
/* Memory allocated by this method does not hold correct size.
* So this is private method and only plugins in -bad are expected to call
* this method */
GST_D3D11_API
GstMemory * gst_d3d11_allocator_alloc_wrapped_native_size (GstD3D11Allocator * allocator,
GstD3D11Device * device,
ID3D11Texture2D * texture,
gpointer user_data,
GDestroyNotify notify);
#define GST_D3D11_CLEAR_COM(obj) G_STMT_START { \
if (obj) { \
(obj)->Release (); \

40
subprojects/gst-plugins-bad/gst-libs/gst/d3d11/gstd3d11memory.cpp
View file

@ -1692,6 +1692,46 @@ gst_d3d11_allocator_alloc_wrapped (GstD3D11Allocator * allocator,
return mem;
}
GstMemory *
gst_d3d11_allocator_alloc_wrapped_native_size (GstD3D11Allocator * allocator,
GstD3D11Device * device, ID3D11Texture2D * texture, gpointer user_data,
GDestroyNotify notify)
{
GstMemory *mem;
GstD3D11Memory *dmem;
D3D11_TEXTURE2D_DESC desc = { 0, };
ID3D11Texture2D *tex = nullptr;
HRESULT hr;
gsize size;
g_return_val_if_fail (GST_IS_D3D11_ALLOCATOR (allocator), nullptr);
g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), nullptr);
g_return_val_if_fail (texture != nullptr, nullptr);
hr = texture->QueryInterface (IID_PPV_ARGS (&tex));
if (FAILED (hr)) {
GST_WARNING_OBJECT (allocator, "Not a valid texture handle");
return nullptr;
}
tex->GetDesc (&desc);
mem = gst_d3d11_allocator_alloc_internal (allocator, device, &desc, tex);
if (!mem)
return nullptr;
/* XXX: This is not correct memory size */
size = desc.Width * desc.Height;
mem->maxsize = mem->size = size;
dmem = GST_D3D11_MEMORY_CAST (mem);
dmem->priv->user_data = user_data;
dmem->priv->notify = notify;
return mem;
}
/**
* gst_d3d11_allocator_set_active:
* @allocator: a #GstD3D11Allocator