GFXprim
2D bitmap graphics library with emphasis on speed and correctness
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include
backends
gp_proxy_shm.h
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//SPDX-License-Identifier: LGPL-2.0-or-later
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/*
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Copyright (c) 2019-2020 Cyril Hrubis <metan@ucw.cz>
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*/
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#ifndef GP_PROXY_SHM_H
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#define GP_PROXY_SHM_H
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#include <backends/gp_proxy_proto.h>
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#include <
core/gp_pixmap.h
>
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typedef
struct
gp_proxy_shm {
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int
fd;
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size_t
size;
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gp_pixmap
pixmap;
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struct
gp_proxy_path path;
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} gp_proxy_shm;
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/*
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* Creates an SHM pixmap.
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*
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* @path in the /dev/shm/ filesystem, 64 bytes at max.
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*/
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gp_proxy_shm *gp_proxy_shm_init(
const
char
*path,
gp_size
w,
gp_size
h,
gp_pixel_type
type);
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/*
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* Resizes SHM image, all clients have to avoid working with the buffer once
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* this call is called and have to remap the shm before they attempt to use it again.
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*
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* @returns 0 if shm buffer haven't needed to be resized, only pixmap size has been changed
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* 1 if buffer was resized
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* -1 on failure
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*/
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int
gp_proxy_shm_resize(gp_proxy_shm *self,
gp_size
w,
gp_size
h);
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void
gp_proxy_shm_exit(gp_proxy_shm *self);
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#endif
/* GP_PROXY_SHM_H */
gp_size
unsigned int gp_size
Integer type for sizes i.e. w, h, ...
Definition
gp_types.h:24
gp_pixel_type
gp_pixel_type
List of all pixel types.
Definition
gp_pixel.gen.h:62
gp_pixmap.h
A pixel buffer.
gp_pixmap
A pixmap buffer.
Definition
gp_pixmap.h:33
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