SDL_kmsdrmvideo.c: define EGL_PLATFORM_GBM_MESA if it's missing. Fixes: https://github.com/libsdl-org/SDL/issues/4232
diff --git a/src/video/kmsdrm/SDL_kmsdrmvideo.c b/src/video/kmsdrm/SDL_kmsdrmvideo.c
index c2c5ee0..0d3a6c2 100644
--- a/src/video/kmsdrm/SDL_kmsdrmvideo.c
+++ b/src/video/kmsdrm/SDL_kmsdrmvideo.c
@@ -64,6 +64,10 @@
#define KMSDRM_DRI_CARDPATHFMT "/dev/dri/card%d"
#endif
+#ifndef EGL_PLATFORM_GBM_MESA
+#define EGL_PLATFORM_GBM_MESA 0x31D7
+#endif
+
static int
check_modestting(int devindex)
{
@@ -1457,7 +1461,7 @@ KMSDRM_GetWindowWMInfo(_THIS, SDL_Window * window, struct SDL_SysWMinfo *info)
const Uint32 version = SDL_VERSIONNUM((Uint32)info->version.major,
(Uint32)info->version.minor,
(Uint32)info->version.patch);
-
+
if (version < SDL_VERSIONNUM(2, 0, 15)) {
SDL_SetError("Version must be 2.0.15 or newer");
return SDL_FALSE;
@@ -1467,7 +1471,7 @@ KMSDRM_GetWindowWMInfo(_THIS, SDL_Window * window, struct SDL_SysWMinfo *info)
info->info.kmsdrm.dev_index = viddata->devindex;
info->info.kmsdrm.drm_fd = viddata->drm_fd;
info->info.kmsdrm.gbm_dev = viddata->gbm_dev;
-
+
return SDL_TRUE;
}