From 4eaf4bfe215572e82b8ffab029e3527ae910f507 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Tue, 10 Dec 2013 14:09:37 -0800
Subject: [PATCH] Fill in the begin/end counting on win32.

---
 src/dispatch_common.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/dispatch_common.c b/src/dispatch_common.c
index cf2a398..002180b 100644
--- a/src/dispatch_common.c
+++ b/src/dispatch_common.c
@@ -134,7 +134,7 @@ struct api {
      * is trying to resolve, but given that it's basically just for
      * informative error messages, we shouldn't need to care.
      */
-    int begin_count;
+    long begin_count;
 };
 
 static struct api api = {
@@ -420,7 +420,7 @@ PUBLIC void
 epoxy_glBegin(GLenum primtype)
 {
 #ifdef _WIN32
-#warning missing locking
+    InterlockedIncrement(&api.begin_count);
 #else
     pthread_mutex_lock(&api.mutex);
     api.begin_count++;
@@ -436,7 +436,7 @@ epoxy_glEnd(void)
     epoxy_glEnd_unwrapped();
 
 #ifdef _WIN32
-#warning missing locking
+    InterlockedDecrement(&api.begin_count);
 #else
     pthread_mutex_lock(&api.mutex);
     api.begin_count--;