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5 commits

Author SHA1 Message Date
Seungha Yang
5b3e316039 d3d11: Port to C++ 
Direct3D11 objects are COM, and most COM C APIs are verbose
(C++ is a little better). So, by using C++ APIs, we can make code
shorter and more readable.
Moreover, "ComPtr" helper class (which is C++ only) can be
utilized, that is very helpful for avoiding error-prone COM refcounting
issue/leak.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2077>
 2021-03-14 13:05:22 +09:00
Seungha Yang
8794f4b713 d3d11: Documentation update 
* Update class metadata
  * for wrapper bin elements to be distinguishable from internal element.
  * D3D11 -> Direct3D11 for consistency
* Add missing Since mark everywhere
* Update plugin cache

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2029>
 2021-02-23 03:34:11 +09:00
Seungha Yang
7b9debedc8 d3d11: Don't use hardcoded maximum resolution value 
Maximum supported texture dimension is pre-defined based on
feature level and it couldn't be INT_MAX in any case.
See also https://docs.microsoft.com/en-us/windows/win32/direct3d11/overviews-direct3d-11-devices-downlevel-intro

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1964>
 2021-01-20 19:31:27 +09:00
Seungha Yang
0f7af4b143 d3d11: Move core methods to gst-libs 
Move d3d11 device, memory, buffer pool and minimal method
to gst-libs so that other plugins can access d3d11 resource.
Since Direct3D is primary graphics API on Windows, we need
this infrastructure for various plugins can share GPU resource
without downloading GPU memory.
Note that this implementation is public only for -bad scope
for now.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/464>
 2021-01-13 15:01:20 +00:00
Seungha Yang
6e30cbb3fc d3d11: Introduce d3d11compositor element 
Add new video composition element which is equivalent to compositor
and glvideomixer elements. When d3d11 decoder elements are used,
d3d11compositor can do efficient graphics memory handling
(zero copying or at least copying memory on GPU memory space).

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1323>
 2020-10-16 17:02:15 +00:00