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-rw-r--r--src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp b/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp
index eb38947..4362c0a 100644
--- a/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp
+++ b/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp
@@ -53,12 +53,15 @@ QT_BEGIN_NAMESPACE
extern Q_GUI_EXPORT bool qt_cleartype_enabled;
#endif
+QBasicAtomicInt qgltextureglyphcache_serial_number = Q_BASIC_ATOMIC_INITIALIZER(1);
+
QGLTextureGlyphCache::QGLTextureGlyphCache(const QGLContext *context, QFontEngineGlyphCache::Type type, const QTransform &matrix)
: QImageTextureGlyphCache(type, matrix), QGLContextGroupResourceBase()
, ctx(0)
, pex(0)
, m_blitProgram(0)
, m_filterMode(Nearest)
+ , m_serialNumber(qgltextureglyphcache_serial_number.fetchAndAddRelaxed(1))
{
#ifdef QT_GL_TEXTURE_GLYPH_CACHE_DEBUG
qDebug(" -> QGLTextureGlyphCache() %p for context %p.", this, ctx);