From 4a75cc3bcf0c749bb50e27b59abff64f1e24700c Mon Sep 17 00:00:00 2001
From: Geoffrey McRae <geoff@hostfission.com>
Date: Tue, 8 Jun 2021 15:14:54 +1000
Subject: [PATCH] [common] framebuffer: simplify the `remaining` calculation

The pitches match so there is no need for the added complexity of this
calculation.
---
 common/src/framebuffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/src/framebuffer.c b/common/src/framebuffer.c
index 4fb5a547..e61d3e73 100644
--- a/common/src/framebuffer.c
+++ b/common/src/framebuffer.c
@@ -76,7 +76,7 @@ bool framebuffer_read(const FrameBuffer * frame, void * restrict dst,
   // copy in large 1MB chunks if the pitches match
   if (dstpitch == pitch)
   {
-    size_t remaining = (height - 1) * pitch + dstpitch;
+    size_t remaining = height * pitch;
     while(remaining)
     {
       const size_t copy = remaining < FB_CHUNK_SIZE ? remaining : FB_CHUNK_SIZE;