wayvnc/src/pixels.c

47 lines
1.3 KiB
C

/*
* Copyright (c) 2020 Andri Yngvason
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include "pixels.h"
#include <pixman.h>
#include <wayland-client.h>
#include <assert.h>
#include <libdrm/drm_fourcc.h>
#include <stdbool.h>
enum wl_shm_format fourcc_to_wl_shm(uint32_t in)
{
assert(!(in & DRM_FORMAT_BIG_ENDIAN));
switch (in) {
case DRM_FORMAT_ARGB8888: return WL_SHM_FORMAT_ARGB8888;
case DRM_FORMAT_XRGB8888: return WL_SHM_FORMAT_XRGB8888;
}
return in;
}
uint32_t fourcc_from_wl_shm(enum wl_shm_format in)
{
switch (in) {
case WL_SHM_FORMAT_ARGB8888: return DRM_FORMAT_ARGB8888;
case WL_SHM_FORMAT_XRGB8888: return DRM_FORMAT_XRGB8888;
default:;
}
return in;
}