From 1ca3ea4b2797de1edaa6b0c6f64f28090c80319e Mon Sep 17 00:00:00 2001
From: gazer <makhotkin_viktor@bk.ru>
Date: Thu, 8 Jun 2017 02:22:15 +0300
Subject: [PATCH] get rid from 'Non-zero DrawBuf instance count when exiting:
 1' message

---
 src/dlangui/graphics/gldrawbuf.d       | 7 +++++++
 src/dlangui/platforms/common/startup.d | 4 ++++
 2 files changed, 11 insertions(+)

diff --git a/src/dlangui/graphics/gldrawbuf.d b/src/dlangui/graphics/gldrawbuf.d
index e73bd2f0..d4fd2c5f 100644
--- a/src/dlangui/graphics/gldrawbuf.d
+++ b/src/dlangui/graphics/gldrawbuf.d
@@ -305,6 +305,13 @@ void initGLCaches() {
         glGlyphCache = new GLGlyphCache;
 }
 
+void destroyGLCaches() {
+    if (glImageCache)
+        destroy(glImageCache);
+    if (glGlyphCache)
+        destroy(glGlyphCache);
+}
+
 private abstract class GLCache
 {
     static class GLCacheItem
diff --git a/src/dlangui/platforms/common/startup.d b/src/dlangui/platforms/common/startup.d
index 62dfd378..d85c0d78 100644
--- a/src/dlangui/platforms/common/startup.d
+++ b/src/dlangui/platforms/common/startup.d
@@ -386,6 +386,10 @@ extern (C) void releaseResourcesOnAppExit() {
         imageCache = null;
     }
     FontManager.instance = null;
+    static if (ENABLE_OPENGL) {
+        import dlangui.graphics.gldrawbuf;
+        destroyGLCaches();
+    }
     
     debug {
         if (DrawBuf.instanceCount > 0) {