[Bug 785980] gst_gl_get_affine_transformation_meta_as_ndc (_ext) should use column major matrix

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Tue Aug 8 04:24:59 UTC 2017


https://bugzilla.gnome.org/show_bug.cgi?id=785980

--- Comment #1 from Yuji Kuwabara <HHG01200 at nifty.ne.jp> ---
Sorry, one correction,

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static const gfloat to_ndc_matrix[] = {
// column major, Left Hand -> Right Hand
  2.0f, 0.0f, 0.0, 0.0f,
  0.0f, 2.0f, 0.0, 0.0f,
  0.0f, 0.0f, -2.0, 0.0f,
  -1.0f, -1.0f, 1.0, 1.0f,
/*
  2.0f, 0.0f, 0.0, -1.0f,
  0.0f, 2.0f, 0.0, -1.0f,
  0.0f, 0.0f, 2.0, -1.0f,
  0.0f, 0.0f, 0.0, 1.0f,
*/
};
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