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* vo_opengl: angle: rewrite with custom swap chainJames Ross-Gowan2017-02-071-0/+8
| | | | | | | | | | | | | This replaces the old backend that exclusively used EGL windowing with one that can also use ANGLE's ability to render to directly to a texture. The advantage of this is that it allows mpv to create the swap chain itself and this allows mpv to use a flip-mode swap chain on a HWND (which avoids problems with DirectComposition) and to use a longer swap chain that has six backbuffers by default (which reportedly fixes problems with rendering 24fps video on 24Hz monitors.) Also, "screenshot window" should now work on DXGI 1.2 and up (Windows 8 and up.)
* windows_utils: try and use FormatMessage for errors.Kevin Mitchell2016-02-171-2/+22
| | | | | | This is useful in particular for GetLastError, unfortunately, it's stil pretty dumb with regards to WASAPI or D3D specific errors, so keep the hresult_to_string switch.
* dxva2: use mp_HESULT_to_str on FAILED(hr)Kevin Mitchell2016-02-161-0/+35
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* ao_wasapi: move out some utility functionswm42016-01-111-0/+97
Note that hresult_to_str() (coming from wasapi_explain_err()) is mostly wasapi-specific, but since HRESULT error codes are unique, it can be extended for any other use.