In modernopengl add support for buffered draw tile collection.

This is first cached function implemented in modernopengl.
Also add support for bind buffer attributes.
Add finalize method to convert any cached data into data for GPU.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/gui/widgets/scrollarea.cpp b/src/gui/widgets/scrollarea.cpp
index fc7ae91d5..028c2e7b1 100644
--- a/src/gui/widgets/scrollarea.cpp
+++ b/src/gui/widgets/scrollarea.cpp
@@ -320,6 +320,7 @@ void ScrollArea::draw(Graphics *graphics)
         {
             if (!mOpaque)
                 updateCalcFlag(graphics);
+            // need add caching or remove calc calls.
 //            if (mRedraw)
             {
                 mVertexes->clear();
@@ -344,6 +345,7 @@ void ScrollArea::draw(Graphics *graphics)
                     calcHBar(graphics);
                     calcHMarker(graphics);
                 }
+                graphics->finalize(mVertexes);
             }
             graphics->drawTileCollection(mVertexes);
         }
@@ -436,6 +438,7 @@ void ScrollArea::drawFrame(Graphics *graphics)
                     0, 0,
                     w, h,
                     background);
+                graphics->finalize(mVertexes2);
             }
             graphics->drawTileCollection(mVertexes2);
         }