From c862f5b3a828535b111f40afbed7371c8f3b7948 Mon Sep 17 00:00:00 2001
From: Emanuele Fornara <efornara@users.sourceforge.net>
Date: Wed, 7 Apr 2021 15:38:44 +0200
Subject: [PATCH] tested (cross) compile: rpi + kmsdrm

---
 src/video/kmsdrm/SDL_kmsdrmvideo.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/video/kmsdrm/SDL_kmsdrmvideo.c b/src/video/kmsdrm/SDL_kmsdrmvideo.c
index e84bd5ebc..0e30a30eb 100644
--- a/src/video/kmsdrm/SDL_kmsdrmvideo.c
+++ b/src/video/kmsdrm/SDL_kmsdrmvideo.c
@@ -47,6 +47,11 @@
 #include <errno.h>
 #include <poll.h>
 
+/* RPI eglext.h doesn't define EGL_PLATFORM_GBM_MESA */
+#ifndef EGL_PLATFORM_GBM_MESA
+#define EGL_PLATFORM_GBM_MESA 0x31D7
+#endif
+
 /* for older KMSDRM headers... */
 #ifndef DRM_FORMAT_MOD_VENDOR_NONE
 #define DRM_FORMAT_MOD_VENDOR_NONE 0