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cogl/matrix: Check identity using graphene matrices

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https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1439
This commit is contained in:
Georges Basile Stavracas Neto 2020-09-10 14:43:01 -03:00
parent 9b65f74eb8
commit 45f3e15b63
1 changed files with 4 additions and 5 deletions
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9
cogl/cogl/cogl-matrix.c
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@ -988,11 +988,10 @@ cogl_matrix_project_points (const CoglMatrix *matrix,
gboolean
cogl_matrix_is_identity (const CoglMatrix *matrix)
{
if (!(matrix->flags & MAT_DIRTY_TYPE) &&
matrix->type == COGL_MATRIX_TYPE_IDENTITY)
return TRUE;
else
return memcmp (matrix, identity, sizeof (float) * 16) == 0;
graphene_matrix_t m;
cogl_matrix_to_graphene_matrix (matrix, &m);
return graphene_matrix_is_identity (&m);
}
void