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Replace ClutterVertex by graphene_point3d_t

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Pretty direct and straightforward port. This requires a
GNOME Shell counterpart. In addition to that, include a
progress function.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/458
This commit is contained in:
Georges Basile Stavracas Neto
2019-02-20 10:18:48 -03:00
parent ba0f17f5b1
commit a5d0cfe8fb
30 changed files with 252 additions and 431 deletions
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196
clutter/clutter/clutter-base-types.c
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@ -149,178 +149,6 @@ G_DEFINE_BOXED_TYPE_WITH_CODE (ClutterGeometry, clutter_geometry,
/*
* ClutterVertices
*/
/**
* clutter_vertex_new:
* @x: X coordinate
* @y: Y coordinate
* @z: Z coordinate
*
* Creates a new #ClutterVertex for the point in 3D space
* identified by the 3 coordinates @x, @y, @z.
*
* This function is the logical equivalent of:
*
* |[
* clutter_vertex_init (clutter_vertex_alloc (), x, y, z);
* ]|
*
* Return value: (transfer full): the newly allocated #ClutterVertex.
* Use clutter_vertex_free() to free the resources
*
* Since: 1.0
*/
ClutterVertex *
clutter_vertex_new (gfloat x,
gfloat y,
gfloat z)
{
return clutter_vertex_init (clutter_vertex_alloc (), x, y, z);
}
/**
* clutter_vertex_alloc: (constructor)
*
* Allocates a new, empty #ClutterVertex.
*
* Return value: (transfer full): the newly allocated #ClutterVertex.
* Use clutter_vertex_free() to free its resources
*
* Since: 1.12
*/
ClutterVertex *
clutter_vertex_alloc (void)
{
return g_slice_new0 (ClutterVertex);
}
/**
* clutter_vertex_init:
* @vertex: a #ClutterVertex
* @x: X coordinate
* @y: Y coordinate
* @z: Z coordinate
*
* Initializes @vertex with the given coordinates.
*
* Return value: (transfer none): the initialized #ClutterVertex
*
* Since: 1.10
*/
ClutterVertex *
clutter_vertex_init (ClutterVertex *vertex,
gfloat x,
gfloat y,
gfloat z)
{
g_return_val_if_fail (vertex != NULL, NULL);
vertex->x = x;
vertex->y = y;
vertex->z = z;
return vertex;
}
/**
* clutter_vertex_copy:
* @vertex: a #ClutterVertex
*
* Copies @vertex
*
* Return value: (transfer full): a newly allocated copy of #ClutterVertex.
* Use clutter_vertex_free() to free the allocated resources
*
* Since: 1.0
*/
ClutterVertex *
clutter_vertex_copy (const ClutterVertex *vertex)
{
if (G_LIKELY (vertex != NULL))
return g_slice_dup (ClutterVertex, vertex);
return NULL;
}
/**
* clutter_vertex_free:
* @vertex: a #ClutterVertex
*
* Frees a #ClutterVertex allocated using clutter_vertex_alloc() or
* clutter_vertex_copy().
*
* Since: 1.0
*/
void
clutter_vertex_free (ClutterVertex *vertex)
{
if (G_UNLIKELY (vertex != NULL))
g_slice_free (ClutterVertex, vertex);
}
/**
* clutter_vertex_equal:
* @vertex_a: a #ClutterVertex
* @vertex_b: a #ClutterVertex
*
* Compares @vertex_a and @vertex_b for equality
*
* Return value: %TRUE if the passed #ClutterVertex are equal
*
* Since: 1.0
*/
gboolean
clutter_vertex_equal (const ClutterVertex *vertex_a,
const ClutterVertex *vertex_b)
{
g_return_val_if_fail (vertex_a != NULL && vertex_b != NULL, FALSE);
if (vertex_a == vertex_b)
return TRUE;
return fabsf (vertex_a->x - vertex_b->x) < FLOAT_EPSILON &&
fabsf (vertex_a->y - vertex_b->y) < FLOAT_EPSILON &&
fabsf (vertex_a->z - vertex_b->z) < FLOAT_EPSILON;
}
static void
clutter_vertex_interpolate (const ClutterVertex *a,
const ClutterVertex *b,
double progress,
ClutterVertex *res)
{
res->x = a->x + (b->x - a->x) * progress;
res->y = a->y + (b->y - a->y) * progress;
res->z = a->z + (b->z - a->z) * progress;
}
static gboolean
clutter_vertex_progress (const GValue *a,
const GValue *b,
gdouble progress,
GValue *retval)
{
const ClutterVertex *av = g_value_get_boxed (a);
const ClutterVertex *bv = g_value_get_boxed (b);
ClutterVertex res;
clutter_vertex_interpolate (av, bv, progress, &res);
g_value_set_boxed (retval, &res);
return TRUE;
}
G_DEFINE_BOXED_TYPE_WITH_CODE (ClutterVertex, clutter_vertex,
clutter_vertex_copy,
clutter_vertex_free,
CLUTTER_REGISTER_INTERVAL_PROGRESS (clutter_vertex_progress));
/*
* ClutterMargin
*/
@ -1393,20 +1221,20 @@ clutter_matrix_progress (const GValue *a,
{
const ClutterMatrix *matrix1 = g_value_get_boxed (a);
const ClutterMatrix *matrix2 = g_value_get_boxed (b);
ClutterVertex scale1 = CLUTTER_VERTEX_INIT (1.f, 1.f, 1.f);
graphene_point3d_t scale1 = GRAPHENE_POINT3D_INIT (1.f, 1.f, 1.f);
float shear1[3] = { 0.f, 0.f, 0.f };
ClutterVertex rotate1 = CLUTTER_VERTEX_INIT_ZERO;
ClutterVertex translate1 = CLUTTER_VERTEX_INIT_ZERO;
graphene_point3d_t rotate1 = GRAPHENE_POINT3D_INIT_ZERO;
graphene_point3d_t translate1 = GRAPHENE_POINT3D_INIT_ZERO;
ClutterVertex4 perspective1 = { 0.f, 0.f, 0.f, 0.f };
ClutterVertex scale2 = CLUTTER_VERTEX_INIT (1.f, 1.f, 1.f);
graphene_point3d_t scale2 = GRAPHENE_POINT3D_INIT (1.f, 1.f, 1.f);
float shear2[3] = { 0.f, 0.f, 0.f };
ClutterVertex rotate2 = CLUTTER_VERTEX_INIT_ZERO;
ClutterVertex translate2 = CLUTTER_VERTEX_INIT_ZERO;
graphene_point3d_t rotate2 = GRAPHENE_POINT3D_INIT_ZERO;
graphene_point3d_t translate2 = GRAPHENE_POINT3D_INIT_ZERO;
ClutterVertex4 perspective2 = { 0.f, 0.f, 0.f, 0.f };
ClutterVertex scale_res = CLUTTER_VERTEX_INIT (1.f, 1.f, 1.f);
graphene_point3d_t scale_res = GRAPHENE_POINT3D_INIT (1.f, 1.f, 1.f);
float shear_res = 0.f;
ClutterVertex rotate_res = CLUTTER_VERTEX_INIT_ZERO;
ClutterVertex translate_res = CLUTTER_VERTEX_INIT_ZERO;
graphene_point3d_t rotate_res = GRAPHENE_POINT3D_INIT_ZERO;
graphene_point3d_t translate_res = GRAPHENE_POINT3D_INIT_ZERO;
ClutterVertex4 perspective_res = { 0.f, 0.f, 0.f, 0.f };
ClutterMatrix res;
@ -1427,11 +1255,11 @@ clutter_matrix_progress (const GValue *a,
res.ww = perspective_res.w;
/* translation */
clutter_vertex_interpolate (&translate1, &translate2, progress, &translate_res);
graphene_point3d_interpolate (&translate1, &translate2, progress, &translate_res);
cogl_matrix_translate (&res, translate_res.x, translate_res.y, translate_res.z);
/* rotation */
clutter_vertex_interpolate (&rotate1, &rotate2, progress, &rotate_res);
graphene_point3d_interpolate (&rotate1, &rotate2, progress, &rotate_res);
cogl_matrix_rotate (&res, rotate_res.x, 1.0f, 0.0f, 0.0f);
cogl_matrix_rotate (&res, rotate_res.y, 0.0f, 1.0f, 0.0f);
cogl_matrix_rotate (&res, rotate_res.z, 0.0f, 0.0f, 1.0f);
@ -1450,7 +1278,7 @@ clutter_matrix_progress (const GValue *a,
_clutter_util_matrix_skew_xy (&res, shear_res);
/* scale */
clutter_vertex_interpolate (&scale1, &scale2, progress, &scale_res);
graphene_point3d_interpolate (&scale1, &scale2, progress, &scale_res);
cogl_matrix_scale (&res, scale_res.x, scale_res.y, scale_res.z);
g_value_set_boxed (retval, &res);