From 6bb58bde70e9efad900603d27ec09df898d93a99 Mon Sep 17 00:00:00 2001
From: ketmar <ketmar@ketmar.no-ip.org>
Date: Fri, 3 Dec 2021 09:37:05 +0000
Subject: [PATCH] egra: do not record cells outside of the vertical canvas
 (framebuffer) in agg mini rasterizer

FossilOrigin-Name: a1ad6d0d28912493629112d2653c21f0e08ae37a654db1481edf9f9cc26ec09b
---
 egra/gfx/aggmini/render.d | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/egra/gfx/aggmini/render.d b/egra/gfx/aggmini/render.d
index 49a0a52..5e26ebe 100644
--- a/egra/gfx/aggmini/render.d
+++ b/egra/gfx/aggmini/render.d
@@ -239,12 +239,15 @@ public:
 private:
   void addCurCell () {
     if (mCurCell.area|mCurCell.cover) {
-      if ((mNumCells&CellBlockMask) == 0) {
-        if (mNumBlocks >= CellBlockLimit) return;
-        allocateBlock();
+      if (mCurCell.y >= -1 && mCurCell.y <= VBufHeight+1) {
+        if ((mNumCells&CellBlockMask) == 0) {
+          if (mNumBlocks >= CellBlockLimit) return;
+          allocateBlock();
+        }
+        *mCurCellPtr++ = mCurCell;
+        ++mNumCells;
       }
-      *mCurCellPtr++ = mCurCell;
-      ++mNumCells;
+      mCurCell.area = mCurCell.cover = 0;
     }
   }
 
-- 
2.11.4.GIT