1 files changed, 8 insertions, 1 deletions
diff --git a/src/opengl/qpixmapdata_gl.cpp b/src/opengl/qpixmapdata_gl.cpp
index 8a2187c..f0c7e20 100644
--- a/src/opengl/qpixmapdata_gl.cpp
+++ b/src/opengl/qpixmapdata_gl.cpp
@@ -254,8 +254,15 @@ void QGLPixmapData::fill(const QColor &color)
     if (!isValid())
         return;
 
-    if (!m_textureId)
+    bool hasAlpha = color.alpha() != 255;
+    if (hasAlpha && !m_hasAlpha) {
+        if (m_textureId) {
+            glDeleteTextures(1, &m_textureId);
+            m_textureId = 0;
+            m_dirty = true;
+        }
         m_hasAlpha = color.alpha() != 255;
+    }
 
     if (useFramebufferObjects()) {
         m_source = QImage();