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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup wm
*
* \name WM-Surface
*
* Container to manage painting in an off-screen context.
*/
#pragma once
struct bContext;
#ifdef __cplusplus
extern "C" {
#endif
typedef struct wmSurface {
struct wmSurface *next, *prev;
GHOST_ContextHandle ghost_ctx;
struct GPUContext *gpu_ctx;
void *customdata;
void (*draw)(struct bContext *);
/* To evaluate the surface's depsgraph. Called as part of the main loop. */
void (*do_depsgraph)(struct bContext *C);
/** 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 *));
/* Evaluation. */
void wm_surfaces_do_depsgraph(struct bContext *C);
/* 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);
#ifdef __cplusplus
}
#endif
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