From: John Tsiombikas <nuclear@member.fsf.org>
Date: Sat, 12 Dec 2020 22:40:21 +0000 (+0200)
Subject: fixed incorrect checking of the existence of GLX_EXT_swap_control and friends
X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=demo_prior;a=commitdiff_plain;h=HEAD

fixed incorrect checking of the existence of GLX_EXT_swap_control and friends
---

diff --git a/src/opengl.c b/src/opengl.c
index 2d5e6a4..8b5af75 100644
--- a/src/opengl.c
+++ b/src/opengl.c
@@ -16,9 +16,14 @@ int init_opengl(void)
 	glewInit();
 
 #ifdef __unix__
+	glxewInit();
 	dpy = glXGetCurrentDisplay();
 	win = glXGetCurrentDrawable();
 #endif
+#ifdef _WIN32
+	wglewInit();
+}
+#endif
 
 	return 0;
 }
@@ -26,14 +31,14 @@ int init_opengl(void)
 void gl_swap_interval(int val)
 {
 #ifdef __unix__
-	if(GLX_EXT_swap_control) {
+	if(GLXEW_EXT_swap_control) {
 		glXSwapIntervalEXT(dpy, win, val);
-	} else if(GLX_SGI_swap_control) {
+	} else if(GLXEW_SGI_swap_control) {
 		glXSwapIntervalSGI(val);
 	}
 #endif
 #ifdef _WIN32
-	if(WGL_EXT_swap_control) {
+	if(WGLEW_EXT_swap_control) {
 		wglSwapIntervalEXT(val);
 	}
 #endif