mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-28 19:20:35 +00:00
Code Issues 1 Projects Releases Wiki Activity

gl/tests: matrix use the affine matrix setter to convert matrices

Browse source 
Removes some duplicated matrices that didn't really need to be
hardcoded.
This commit is contained in:
Matthew Waters 2018-06-21 17:47:09 +10:00
parent c850faff95
commit 8e641a9277
1 changed files with 9 additions and 24 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

33
tests/check/libs/gstglmatrix.c
View file

@ -243,6 +243,9 @@ GST_END_TEST;
GST_START_TEST (test_matrix_vertex_y_invert)
{
GstBuffer *buffer = gst_buffer_new ();
GstVideoAffineTransformationMeta *aff_meta;
float y_invert[] = {
1., 0., 0., 0.,
0., -1., 0., 0.,
@ -250,23 +253,6 @@ GST_START_TEST (test_matrix_vertex_y_invert)
0., 0., 0., 1.,
};
/* These two matrices are copied from
* gst_gl_set_affine_transformation_meta_from_ndc{,_ext}() gstglutils.c
* in ext/gl and gst-libs/gst/gl */
static const gfloat from_ndc_matrix[] = {
0.5, 0.0, 0.0, 0.5,
0.0, 0.5, 0.0, 0.5,
0.0, 0.0, 0.5, 0.5,
0.0, 0.0, 0.0, 1.0,
};
static const gfloat to_ndc_matrix[] = {
2.0, 0.0, 0.0, -1.0,
0.0, 2.0, 0.0, -1.0,
0.0, 0.0, 2.0, -1.0,
0.0, 0.0, 0.0, 1.0,
};
float v[] = { 1., 1., 1., 1. };
float expected[] = { 1., -1., 1., 1. };
float res[4] = { 0., };
@ -274,8 +260,8 @@ GST_START_TEST (test_matrix_vertex_y_invert)
/* The y_invert matrix but with a coordinate space of [0, 1]^3 instead
* of [-1, 1]^3 */
float y_invert_0_1[16] = { 0., };
float m1[16] = { 0., };
aff_meta = gst_buffer_add_video_affine_transformation_meta (buffer);
GST_DEBUG ("y-invert");
debug_matrix (y_invert);
@ -291,14 +277,13 @@ GST_START_TEST (test_matrix_vertex_y_invert)
}
/* now test the [0, 1]^3 matrix and update the test values acoordingly */
gst_gl_set_affine_transformation_meta_from_ndc (aff_meta, y_invert);
expected[1] = 0.;
gst_gl_multiply_matrix4 (from_ndc_matrix, y_invert, m1);
gst_gl_multiply_matrix4 (m1, to_ndc_matrix, y_invert_0_1);
GST_DEBUG ("y-invert from ndc [-1,1]^3 to [0,1]^3");
debug_matrix (y_invert_0_1);
debug_matrix (aff_meta->matrix);
_matrix_mult_vertex4 (y_invert_0_1, v, res);
_matrix_mult_vertex4 (aff_meta->matrix, v, res);
GST_DEBUG ("vertex: %" VEC4_FORMAT, VEC4_ARGS (v));
GST_DEBUG ("result: %" VEC4_FORMAT, VEC4_ARGS (res));
@ -311,7 +296,7 @@ GST_START_TEST (test_matrix_vertex_y_invert)
/* test vec4(1,0,1,1) -> vec4(1,1,1,1) */
v[1] = 0.;
expected[1] = 1.;
_matrix_mult_vertex4 (y_invert_0_1, v, res);
_matrix_mult_vertex4 (aff_meta->matrix, v, res);
GST_DEBUG ("vertex: %" VEC4_FORMAT, VEC4_ARGS (v));
GST_DEBUG ("result: %" VEC4_FORMAT, VEC4_ARGS (res));