wlroots/render/shm_format.c

#include <drm_fourcc.h>
#include "render/shm_format.h"

uint32_t convert_wl_shm_format_to_drm(enum wl_shm_format fmt) {
	switch (fmt) {
	case WL_SHM_FORMAT_XRGB8888:
		return DRM_FORMAT_XRGB8888;
	case WL_SHM_FORMAT_ARGB8888:
		return DRM_FORMAT_ARGB8888;
	default:
		return (uint32_t)fmt;
	}
}

enum wl_shm_format convert_drm_format_to_wl_shm(uint32_t fmt) {
	switch (fmt) {
	case DRM_FORMAT_XRGB8888:
		return WL_SHM_FORMAT_XRGB8888;
	case DRM_FORMAT_ARGB8888:
		return WL_SHM_FORMAT_ARGB8888;
	default:
		return (enum wl_shm_format)fmt;
	}
}