vlc | branch: master | Steve Lhomme <rob...@videolabs.io> | Tue Dec 12 18:22:57 2017 +0100| [3e869dd4e5beb6a8d4e4f24cd8148e28c695406b] | committer: Jean-Baptiste Kempf
direct3d11: fill the padding area with black on CPU mapped textures This will ease the artefacts on the bottom/right sides of the texture when linear interpolation is used. Signed-off-by: Jean-Baptiste Kempf <j...@videolan.org> > http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=3e869dd4e5beb6a8d4e4f24cd8148e28c695406b --- modules/video_output/win32/direct3d11.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/modules/video_output/win32/direct3d11.c b/modules/video_output/win32/direct3d11.c index 41644264a1..bf230fa23f 100644 --- a/modules/video_output/win32/direct3d11.c +++ b/modules/video_output/win32/direct3d11.c @@ -403,9 +403,33 @@ static int Direct3D11MapPoolTexture(picture_t *picture) return CommonUpdatePicture(picture, NULL, mappedResource.pData, mappedResource.RowPitch); } +/* add black pixels in the padding to ease the interpolation artefacts */ +static void EraseYUVBorders(int i_planes, plane_t planes[PICTURE_PLANE_MAX]) +{ + for (int i = 0; i < i_planes; i++) + { + uint8_t val = (i == 0) ? 0x00 : 0x80; + if (planes[i].i_visible_lines < planes[i].i_lines) + { + memset(planes[i].p_pixels + (planes[i].i_visible_lines * planes[i].i_pitch), val, planes[i].i_visible_pitch); + } + + if (planes[i].i_visible_pitch < planes[i].i_pitch) + { + for (int j=0; j<planes[i].i_visible_lines; j++) + { + planes[i].p_pixels[j * planes[i].i_pitch + (planes[i].i_visible_pitch + 0) ] = val; + if (i_planes == 2) + planes[i].p_pixels[j * planes[i].i_pitch + (planes[i].i_visible_pitch + 1) ] = val; + } + } + } +} + static void Direct3D11UnmapPoolTexture(picture_t *picture) { picture_sys_t *p_sys = picture->p_sys; + EraseYUVBorders(picture->i_planes, picture->p); ID3D11DeviceContext_Unmap(p_sys->context, p_sys->resource[KNOWN_DXGI_INDEX], 0); } @@ -1088,6 +1112,8 @@ static void Prepare(vout_display_t *vd, picture_t *picture, subpicture_t *subpic for (i = 0; i < picture->i_planes; i++) plane_CopyPixels(&planes[i], &picture->p[i]); + EraseYUVBorders(picture->i_planes, planes); + for (i = 0; i < picture->i_planes; i++) ID3D11DeviceContext_Unmap(sys->d3d_dev.d3dcontext, sys->stagingSys.resource[i], 0); } _______________________________________________ vlc-commits mailing list vlc-commits@videolan.org https://mailman.videolan.org/listinfo/vlc-commits
