mirror of
https://github.com/brl/mutter.git
synced 2024-11-25 17:40:40 -05:00
71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
|
/*
|
||
|
|
* Cogl
|
||
|
|
*
|
||
|
|
* An object oriented GL/GLES Abstraction/Utility Layer
|
||
|
|
*
|
||
|
|
* Copyright (C) 2007,2008,2009 Intel Corporation.
|
||
|
|
*
|
||
|
|
* This library is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This library is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
* Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with this library; if not, write to the
|
||
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||
|
|
* Boston, MA 02111-1307, USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __COGL_SPANS_PRIVATE_H
|
||
|
|
#define __COGL_SPANS_PRIVATE_H
|
||
|
|
|
||
|
|
#include "cogl-handle.h"
|
||
|
|
|
||
|
|
typedef struct _CoglSpan
|
||
|
|
{
|
||
|
|
int start;
|
||
|
|
int size;
|
||
|
|
int waste;
|
||
|
|
} CoglSpan;
|
||
|
|
|
||
|
|
typedef struct _CoglSpanIter
|
||
|
|
{
|
||
|
|
int index;
|
||
|
|
GArray *array;
|
||
|
|
CoglSpan *span;
|
||
|
|
float pos;
|
||
|
|
float next_pos;
|
||
|
|
float origin;
|
||
|
|
float cover_start;
|
||
|
|
float cover_end;
|
||
|
|
float intersect_start;
|
||
|
|
float intersect_end;
|
||
|
|
float intersect_start_local;
|
||
|
|
float intersect_end_local;
|
||
|
|
gboolean intersects;
|
||
|
|
gboolean flipped;
|
||
|
|
} CoglSpanIter;
|
||
|
|
|
||
|
|
void
|
||
|
|
_cogl_span_iter_update (CoglSpanIter *iter);
|
||
|
|
|
||
|
|
void
|
||
|
|
_cogl_span_iter_begin (CoglSpanIter *iter,
|
||
|
|
GArray *spans,
|
||
|
|
float normalize_factor,
|
||
|
|
float cover_start,
|
||
|
|
float cover_end);
|
||
|
|
|
||
|
|
void
|
||
|
|
_cogl_span_iter_next (CoglSpanIter *iter);
|
||
|
|
|
||
|
|
gboolean
|
||
|
|
_cogl_span_iter_end (CoglSpanIter *iter);
|
||
|
|
|
||
|
|
#endif /* __COGL_SPANS_PRIVATE_H */
|