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author | Georges Basile Stavracas Neto <georges.stavracas@gmail.com> | 2019-03-01 13:28:13 -0300 |
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committer | Georges Basile Stavracas Neto <georges.stavracas@gmail.com> | 2019-03-20 15:17:14 +0000 |
commit | 2ed596088f31878d3018af63d0b144b8ab7e7cf5 (patch) | |
tree | daf3e753070e86fdf12f5716b2fb3cd4d72ee2e7 | |
parent | 7f708ce39e0b7532d30be6313957dc41600384a7 (diff) | |
download | mutter-2ed596088f31878d3018af63d0b144b8ab7e7cf5.tar.gz |
cogl/matrix: Translate using Graphene
-rw-r--r-- | cogl/cogl/cogl-matrix.c | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/cogl/cogl/cogl-matrix.c b/cogl/cogl/cogl-matrix.c index 282ed48e4..1e427bbb8 100644 --- a/cogl/cogl/cogl-matrix.c +++ b/cogl/cogl/cogl-matrix.c @@ -276,30 +276,18 @@ cogl_matrix_scale (CoglMatrix *matrix, _COGL_MATRIX_DEBUG_PRINT (matrix); } -/* - * Multiply a matrix with a translation matrix. - * - * Adds the translation coordinates to the elements of matrix in-place. Marks - * the MAT_FLAG_TRANSLATION flag, and the MAT_DIRTY_TYPE and MAT_DIRTY_INVERSE - * dirty flags. - */ -static void -_cogl_matrix_translate (CoglMatrix *matrix, float x, float y, float z) -{ - float *m = (float *)matrix; - m[12] = m[0] * x + m[4] * y + m[8] * z + m[12]; - m[13] = m[1] * x + m[5] * y + m[9] * z + m[13]; - m[14] = m[2] * x + m[6] * y + m[10] * z + m[14]; - m[15] = m[3] * x + m[7] * y + m[11] * z + m[15]; -} - void cogl_matrix_translate (CoglMatrix *matrix, float x, float y, float z) { - _cogl_matrix_translate (matrix, x, y, z); + graphene_matrix_t m; + + cogl_matrix_to_graphene_matrix (matrix, &m); + graphene_matrix_translate (&m, &GRAPHENE_POINT3D_INIT (x, y, z)); + graphene_matrix_to_cogl_matrix (&m, matrix); + _COGL_MATRIX_DEBUG_PRINT (matrix); } |