1 files changed, 21 insertions, 7 deletions

diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index 3ddc15a..4a64f39 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -1464,6 +1464,7 @@ namespace {
         QSize cacheSize;
         QGL2PEXVertexArray vertexCoordinateArray;
         QGL2PEXVertexArray textureCoordinateArray;
+        QFontEngineGlyphCache::Type glyphType;
     };
 
 }
@@ -1477,22 +1478,29 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(QFontEngineGlyphCache::Type glyp
 
     QOpenGL2PaintEngineState *s = q->state();
 
+    bool recreateVertexArrays = false;
+
     QGLTextureGlyphCache *cache =
         (QGLTextureGlyphCache *) staticTextItem->fontEngine()->glyphCache(ctx, glyphType, QTransform());
     if (!cache || cache->cacheType() != glyphType) {
         cache = new QGLTextureGlyphCache(ctx, glyphType, QTransform());
         staticTextItem->fontEngine()->setGlyphCache(ctx, cache);
+        recreateVertexArrays = true;
     } else if (cache->context() == 0) { // Old context has been destroyed, new context has same ptr value
         cache->setContext(ctx);
     }
 
-    bool recreateVertexArrays = false;
-    if (staticTextItem->userDataNeedsUpdate)
+    if (staticTextItem->userDataNeedsUpdate) {
         recreateVertexArrays = true;
-    else if (staticTextItem->userData() == 0)
+    } else if (staticTextItem->userData() == 0) {
         recreateVertexArrays = true;
-    else if (staticTextItem->userData()->type != QStaticTextUserData::OpenGLUserData)
+    } else if (staticTextItem->userData()->type != QStaticTextUserData::OpenGLUserData) {
         recreateVertexArrays = true;
+    } else {
+        QOpenGLStaticTextUserData *userData = static_cast<QOpenGLStaticTextUserData *>(staticTextItem->userData());
+        if (userData->glyphType != glyphType)
+            recreateVertexArrays = true;
+    }
 
     // We only need to update the cache with new glyphs if we are actually going to recreate the vertex arrays.
     // If the cache size has changed, we do need to regenerate the vertices, but we don't need to repopulate the
@@ -1504,8 +1512,8 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(QFontEngineGlyphCache::Type glyp
 	    // No space in cache. We need to clear the cache and try again
             cache->clear();
             cache->populate(staticTextItem->fontEngine(), staticTextItem->numGlyphs,
-			    staticTextItem->glyphs, staticTextItem->glyphPositions);
-	}
+                            staticTextItem->glyphs, staticTextItem->glyphPositions);
+        }
     }
 
     if (cache->width() == 0 || cache->height() == 0)
@@ -1535,6 +1543,8 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(QFontEngineGlyphCache::Type glyp
             userData = static_cast<QOpenGLStaticTextUserData*>(staticTextItem->userData());
         }
 
+        userData->glyphType = glyphType;
+
         // Use cache if backend optimizations is turned on
         vertexCoordinates = &userData->vertexCoordinateArray;
         textureCoordinates = &userData->textureCoordinateArray;
@@ -2139,7 +2149,11 @@ void QGL2PaintEngineEx::clip(const QVectorPath &path, Qt::ClipOperation op)
         const QPointF* const points = reinterpret_cast<const QPointF*>(path.points());
         QRectF rect(points[0], points[2]);
 
-        if (state()->matrix.type() <= QTransform::TxScale) {
+        if (state()->matrix.type() <= QTransform::TxScale
+            || (state()->matrix.type() == QTransform::TxRotate
+                && qFuzzyIsNull(state()->matrix.m11())
+                && qFuzzyIsNull(state()->matrix.m22())))
+        {
             state()->rectangleClip = state()->rectangleClip.intersected(state()->matrix.mapRect(rect).toRect());
             d->updateClipScissorTest();
             return;