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KMSDRM: Only use OpenBSD-specific defines on pre-6.9 releases

This commit is contained in:
Cacodemon345 2021-04-21 01:22:22 +06:00 committed by Sam Lantinga
parent a0a5da5d91
commit 99ef03b96e
1 changed files with 20 additions and 5 deletions
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25
src/video/kmsdrm/SDL_kmsdrmvideo.c
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@ -46,16 +46,19 @@
#include "SDL_kmsdrmdyn.h"
#include "SDL_kmsdrmvulkan.h"
#include <sys/stat.h>
#include <sys/param.h>
#include <sys/utsname.h>
#include <dirent.h>
#include <poll.h>
#include <errno.h>
#ifdef __OpenBSD__
#define KMSDRM_DRI_PATH "/dev/"
#define KMSDRM_DRI_DEVFMT "%sdrm%d"
#define KMSDRM_DRI_DEVNAME "drm"
#define KMSDRM_DRI_DEVNAMESIZE 3
#define KMSDRM_DRI_CARDPATHFMT "/dev/drm%d"
static SDL_bool openbsd69orgreater = SDL_FALSE;
#define KMSDRM_DRI_PATH openbsd69orgreater ? "/dev/dri/" : "/dev/"
#define KMSDRM_DRI_DEVFMT openbsd69orgreater ? "%scard%d" : "%sdrm%d"
#define KMSDRM_DRI_DEVNAME openbsd69orgreater ? "card" : "drm"
#define KMSDRM_DRI_DEVNAMESIZE openbsd69orgreater ? 4 : 3
#define KMSDRM_DRI_CARDPATHFMT openbsd69orgreater ? "/dev/dri/card%d" : "/dev/drm%d"
#else
#define KMSDRM_DRI_PATH "/dev/dri/"
#define KMSDRM_DRI_DEVFMT "%scard%d"
@ -182,8 +185,20 @@ get_driindex(void)
static int
KMSDRM_Available(void)
{
#ifdef __OpenBSD__
struct utsname nameofsystem;
double releaseversion;
#endif
int ret = -ENOENT;
#ifdef __OpenBSD__
if (!(uname(&nameofsystem) < 0)) {
releaseversion = SDL_atof(nameofsystem.release);
if (releaseversion >= 6.9) {
openbsd69orgreater = SDL_TRUE;
}
}
#endif
ret = get_driindex();
if (ret >= 0)
return 1;