1
0
Fork 0
mutter-performance-source/cogl/cogl-clip-stack.h
Robert Bragg 595271ac87 clip_stack: Remove use of CoglHandle in the CoglClipStack API
This replaces the use of CoglHandle with strongly type CoglClipStack *
pointers instead. The only function not converted for now is
cogl_is_clip_stack which will be done in a later commit.
2010-06-01 12:20:59 +01:00

77 lines
2.5 KiB
C

/*
* 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_STACK_H
#define __COGL_CLIP_STACK_H
typedef struct _CoglClipStack CoglClipStack;
CoglClipStack *
_cogl_clip_stack_new (void);
void
_cogl_clip_stack_push_window_rectangle (CoglClipStack *stack,
int x_offset,
int y_offset,
int width,
int height);
void
_cogl_clip_stack_push_rectangle (CoglClipStack *stack,
float x_1,
float y_1,
float x_2,
float y_2,
const CoglMatrix *modelview_matrix);
void
_cogl_clip_stack_push_from_path (CoglClipStack *stack,
CoglPath *path,
const CoglMatrix *modelview_matrix);
void
_cogl_clip_stack_pop (CoglClipStack *stack);
void
_cogl_clip_stack_flush (CoglClipStack *stack,
gboolean *stencil_used_p);
/* TODO: we may want to make this function public because it can be
* used to implement a better API than cogl_clip_stack_save() and
* cogl_clip_stack_restore().
*/
/*
* _cogl_clip_stack_copy:
* @stack: A #CoglClipStack
*
* Creates a copy of the given clip stack and returns a new pointer to
* it. The data from the original stack is shared with the new stack
* so making copies is relatively cheap. Modifying the original stack
* does not affect the new stack.
*
* Return value: a new clip stack with the same data as @stack
*/
CoglClipStack *
_cogl_clip_stack_copy (CoglClipStack *stack);
#endif /* __COGL_CLIP_STACK_H */