From 6933446d8a5d69d6f2470b10798c71c568ca512f Mon Sep 17 00:00:00 2001
From: tildearrow <me@tildearrow.org>
Date: Tue, 13 Jun 2023 05:45:36 -0500
Subject: [PATCH] GUI: DirectX 11 render backend, part 7

now with texture workaround
---
 src/gui/sampleEdit.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/gui/sampleEdit.cpp b/src/gui/sampleEdit.cpp
index 8f5a9843a..5d2e1d9f9 100644
--- a/src/gui/sampleEdit.cpp
+++ b/src/gui/sampleEdit.cpp
@@ -1231,7 +1231,17 @@ void FurnaceGUI::drawSampleEdit() {
               }
             }
 
-            memcpy(dataT,data,sampleTexW*sampleTexH*sizeof(unsigned int));
+            if ((pitch>>2)==sampleTexW) {
+              memcpy(dataT,data,sampleTexW*sampleTexH*sizeof(unsigned int));
+            } else {
+              int srcY=0;
+              int destY=0;
+              for (int i=0; i<sampleTexH; i++) {
+                memcpy(&dataT[destY],&data[srcY],sampleTexW*sizeof(unsigned int));
+                srcY+=sampleTexW;
+                destY+=pitch>>2;
+              }
+            }
             rend->unlockTexture(sampleTex);
             delete[] data;
           }