41 _cogl_span_iter_update (CoglSpanIter *iter)  in _cogl_span_iter_update()  argument
44   iter->span = &iter->spans[iter->index];  in _cogl_span_iter_update()
47   iter->next_pos = iter->pos + iter->span->size - iter->span->waste;  in _cogl_span_iter_update()
50   if (iter->next_pos <= iter->cover_start ||  in _cogl_span_iter_update()
51       iter->pos >= iter->cover_end)  in _cogl_span_iter_update()
54       iter->intersects = FALSE;  in _cogl_span_iter_update()
58   iter->intersects = TRUE;  in _cogl_span_iter_update()
61   if (iter->pos < iter->cover_start)  in _cogl_span_iter_update()
62     iter->intersect_start = iter->cover_start;  in _cogl_span_iter_update()
64     iter->intersect_start = iter->pos;  in _cogl_span_iter_update()
67   if (iter->next_pos > iter->cover_end)  in _cogl_span_iter_update()
68     iter->intersect_end = iter->cover_end;  in _cogl_span_iter_update()
70     iter->intersect_end = iter->next_pos;  in _cogl_span_iter_update()
74 _cogl_span_iter_begin (CoglSpanIter *iter,  in _cogl_span_iter_begin()  argument
87   iter->span = NULL;  in _cogl_span_iter_begin()
89   iter->spans = spans;  in _cogl_span_iter_begin()
90   iter->n_spans = n_spans;  in _cogl_span_iter_begin()
101       iter->flipped = TRUE;  in _cogl_span_iter_begin()
104     iter->flipped = FALSE;  in _cogl_span_iter_begin()
114       iter->origin = floorf (cover_start_normalized) * normalize_factor;  in _cogl_span_iter_begin()
117     iter->origin = floorf (cover_start);  in _cogl_span_iter_begin()
119   iter->wrap_mode = wrap_mode;  in _cogl_span_iter_begin()
122     iter->index = 0;  in _cogl_span_iter_begin()
125       if ((int)iter->origin % 2)  in _cogl_span_iter_begin()
127           iter->index = iter->n_spans - 1;  in _cogl_span_iter_begin()
128           iter->mirror_direction = -1;  in _cogl_span_iter_begin()
129           iter->flipped = !iter->flipped;  in _cogl_span_iter_begin()
133           iter->index = 0;  in _cogl_span_iter_begin()
134           iter->mirror_direction = 1;  in _cogl_span_iter_begin()
140   iter->cover_start = cover_start;  in _cogl_span_iter_begin()
141   iter->cover_end = cover_end;  in _cogl_span_iter_begin()
142   iter->pos = iter->origin;  in _cogl_span_iter_begin()
145   _cogl_span_iter_update (iter);  in _cogl_span_iter_begin()
147   while (iter->next_pos <= iter->cover_start)  in _cogl_span_iter_begin()
148     _cogl_span_iter_next (iter);  in _cogl_span_iter_begin()
152 _cogl_span_iter_next (CoglSpanIter *iter)  in _cogl_span_iter_next()  argument
155   iter->pos = iter->next_pos;  in _cogl_span_iter_next()
157   if (iter->wrap_mode == COGL_PIPELINE_WRAP_MODE_REPEAT)  in _cogl_span_iter_next()
158     iter->index = (iter->index + 1) % iter->n_spans;  in _cogl_span_iter_next()
159   else if (iter->wrap_mode == COGL_PIPELINE_WRAP_MODE_MIRRORED_REPEAT)  in _cogl_span_iter_next()
161       iter->index += iter->mirror_direction;  in _cogl_span_iter_next()
162       if (iter->index == iter->n_spans || iter->index == -1)  in _cogl_span_iter_next()
164           iter->mirror_direction = -iter->mirror_direction;  in _cogl_span_iter_next()
165           iter->index += iter->mirror_direction;  in _cogl_span_iter_next()
166           iter->flipped = !iter->flipped;  in _cogl_span_iter_next()
173   _cogl_span_iter_update (iter);  in _cogl_span_iter_next()
177 _cogl_span_iter_end (CoglSpanIter *iter)  in _cogl_span_iter_end()  argument
180   return iter->pos >= iter->cover_end;  in _cogl_span_iter_end()