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gl/utils: fix matrix conversion for column majorness

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Companion to
https://cgit.freedesktop.org/gstreamer/gst-plugins-base/commit/?id=e4bf9ed8f060021151cd57e2b00493ed696cb47b
https://cgit.freedesktop.org/gstreamer/gst-plugins-base/commit/?id=16cba63d43f319ac33bc993eca2b1b51679727b3
This commit is contained in:
Matthew Waters 2018-07-10 20:12:15 +10:00
parent 969089f7a8
commit bd2920ca2d
1 changed files with 4 additions and 4 deletions
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8
ext/gl/gstglutils.c
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@ -161,8 +161,8 @@ void gst_gl_get_affine_transformation_meta_as_ndc_ext
} else {
float tmp[16];
gst_gl_multiply_matrix4 (to_ndc_matrix, meta->matrix, tmp);
gst_gl_multiply_matrix4 (tmp, from_ndc_matrix, matrix);
gst_gl_multiply_matrix4 (from_ndc_matrix, meta->matrix, tmp);
gst_gl_multiply_matrix4 (tmp, to_ndc_matrix, matrix);
}
}
@ -173,6 +173,6 @@ void gst_gl_set_affine_transformation_meta_from_ndc_ext
g_return_if_fail (meta != NULL);
gst_gl_multiply_matrix4 (from_ndc_matrix, matrix, tmp);
gst_gl_multiply_matrix4 (tmp, to_ndc_matrix, meta->matrix);
gst_gl_multiply_matrix4 (to_ndc_matrix, matrix, tmp);
gst_gl_multiply_matrix4 (tmp, from_ndc_matrix, meta->matrix);
}