mutter/cogl/cogl-clip-state.h

69 lines
1.7 KiB
C
Raw Normal View History

/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2007,2008,2009,2010 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, see <http://www.gnu.org/licenses/>.
*
*
*/
#ifndef __COGL_CLIP_STATE_H
#define __COGL_CLIP_STATE_H
#include "cogl-clip-stack.h"
typedef struct _CoglClipState CoglClipState;
struct _CoglClipState
{
/* Stack of CoglClipStacks */
GSList *stacks;
};
void
_cogl_clip_state_init (CoglClipState *state);
void
_cogl_clip_state_destroy (CoglClipState *state);
void
_cogl_clip_state_flush (CoglClipState *clip_state);
/*
* _cogl_get_clip_stack:
*
* Gets a pointer to the current clip stack. This can be used to later
* return to the same clip stack state with _cogl_set_clip_stack(). A
* reference is not taken on the stack so if you want to keep it you
* should call _cogl_clip_stack_ref().
*
* Return value: a pointer to the current clip stack.
*/
CoglClipStack *
_cogl_get_clip_stack (void);
/*
* _cogl_set_clip_stack:
* @stack: a pointer to the replacement clip stack
*
* Replaces the current clip stack with @stack.
*/
void
_cogl_set_clip_stack (CoglClipStack *stack);
#endif /* __COGL_CLIP_STATE_H */