From 83fccd0835b99144298a1f2efc13c0ba8717276c Mon Sep 17 00:00:00 2001
From: catsout <outline941@live.com>
Date: Tue, 18 Oct 2022 20:33:58 +0800
Subject: [PATCH] SDL: fix glew on wayland by ignore glx

glXGetProcAddress works on wayland if linking with x11.
As long as we don't use glx related funcs,
no_glx_error can be ignored.
SDL should handle the no_glx_error brefore glewInit.
Glew is only used to init gl funcs.

related:
https://github.com/nigels-com/glew/issues/172
---
 SDL/SDLGLGraphicsContext.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/SDL/SDLGLGraphicsContext.cpp b/SDL/SDLGLGraphicsContext.cpp
index 492005a1f4..945c9a950e 100644
--- a/SDL/SDLGLGraphicsContext.cpp
+++ b/SDL/SDLGLGraphicsContext.cpp
@@ -394,7 +394,9 @@ int SDLGLGraphicsContext::Init(SDL_Window *&window, int x, int y, int mode, std:
 	if (gl_extensions.IsCoreContext) {
 		glewExperimental = true;
 	}
-	if (GLEW_OK != glewInit()) {
+	GLenum glew_err = glewInit();
+	// glx is not required, igore.
+	if (glew_err != GLEW_OK && glew_err != GLEW_ERROR_NO_GLX_DISPLAY) {
 		printf("Failed to initialize glew!\n");
 		return 1;
 	}