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/*
* 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 the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/** \file
* \ingroup wm
*
* \name WM-Surface
*
* Container to manage painting in an offscreen context.
*/
#ifndef __WM_SURFACE_H__
#define __WM_SURFACE_H__
struct bContext;
typedef struct wmSurface {
struct wmSurface *next, *prev;
GHOST_ContextHandle ghost_ctx;
struct GPUContext *gpu_ctx;
void *customdata;
void (*draw)(struct bContext *);
/** Free customdata, not the surface itself (done by wm_surface API) */
void (*free_data)(struct wmSurface *);
/** Called when surface is activated for drawing (made drawable). */
void (*activate)(void);
/** Called when surface is deactivated for drawing (current drawable cleared). */
void (*deactivate)(void);
} wmSurface;
/* Create/Free */
void wm_surface_add(wmSurface *surface);
void wm_surface_remove(wmSurface *surface);
void wm_surfaces_free(void);
/* Utils */
void wm_surfaces_iter(struct bContext *C, void (*cb)(struct bContext *, wmSurface *));
/* Drawing */
void wm_surface_make_drawable(wmSurface *surface);
void wm_surface_clear_drawable(void);
void wm_surface_set_drawable(wmSurface *surface, bool activate);
void wm_surface_reset_drawable(void);
#endif /* __WM_SURFACE_H__ */
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