quakeforge/include/r_scrap.h
Bill Currie b6bc8ed553 [renderer] Move core of scrap into shared code
The actual 2d area management code is now shared, with the actual
definition for scrap_t being left to the renderer specific
implementation.
2021-01-13 02:47:07 +09:00

49 lines
1.5 KiB
C

/*
r_scrap.h
Renderer agnostic scrap management
Copyright (C) 2021 Bill Currie <bill@taniwha.org>
Author: Bill Currie <bill@taniwha.org>
Date: 2021/1/12
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifndef __r_scrap_h
#define __r_scrap_h
typedef struct rscrap_s {
struct vrect_s *free_rects; ///< linked list of free areas
struct vrect_s *rects; ///< linked list of allocated rects
int width; ///< overall width of scrap
int height; ///< overall height of scrap
} rscrap_t;
void R_ScrapInit (rscrap_t *scrap, int width, int height);
void R_ScrapDelete (rscrap_t *scrap);
struct vrect_s *R_ScrapAlloc (rscrap_t *scrap, int width, int height);
void R_ScrapFree (rscrap_t *scrap, struct vrect_s *rect);
void R_ScrapClear (rscrap_t *scrap);
size_t R_ScrapArea (rscrap_t *scrap) __attribute__((pure));
void R_ScrapDump (rscrap_t *scrap);
#endif//__r_scrap_h