Fixes: GL 2 paint engine text rendering optimization.

RevBy:    Tom
Details:  Buffer vertex and texture coordinates so that we get away
          with just a single glDrawArrays call per text item.
          Also move drawCachedGlyphs() into the private class.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp b/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp
index 0352d39..f237847 100644
--- a/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp
+++ b/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp
@@ -59,6 +59,12 @@ QGLRect QGL2PEXVertexArray::boundingRect() const
         return QGLRect(minX, minY, maxX, maxY);
 }
 
+void QGL2PEXVertexArray::addRect(const QRectF &rect)
+{
+    vertexArray << rect.topLeft() << rect.topRight() << rect.bottomRight()
+                << rect.bottomRight() << rect.bottomLeft() << rect.topLeft();
+}
+
 void QGL2PEXVertexArray::addPath(const QVectorPath &path, GLfloat curveInverseScale)
 {
     const QPointF* const points = reinterpret_cast<const QPointF*>(path.points());