From 2a585f00582f85c247362a80bdaa64e55d7f90b7 Mon Sep 17 00:00:00 2001
From: omigamedev <omarator@gmail.com>
Date: Mon, 15 Jun 2026 23:00:23 +0200
Subject: [PATCH] Narrow draw merge branch helper surface

---
 src/canvas.cpp | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/src/canvas.cpp b/src/canvas.cpp
index 2f721824..fff97823 100644
--- a/src/canvas.cpp
+++ b/src/canvas.cpp
@@ -602,8 +602,7 @@ static void execute_canvas_draw_merge_branch_body(
     const Brush& brush,
     const glm::mat4& ortho,
     bool use_blend,
-    bool copy_blend_destination,
-    bool draw_checkerboard)
+    bool copy_blend_destination)
 {
     if (use_blend)
     {
@@ -622,8 +621,7 @@ static void execute_canvas_draw_merge_branch_body(
             layer,
             brush,
             ortho,
-            copy_blend_destination,
-            draw_checkerboard));
+            copy_blend_destination));
 }
 
 static pp::panopainter::LegacyCanvasDrawMergeLayerCompositeExecution make_canvas_draw_merge_branch_dispatch(
@@ -633,8 +631,7 @@ static pp::panopainter::LegacyCanvasDrawMergeLayerCompositeExecution make_canvas
     const std::shared_ptr<Layer>& layer,
     const Brush& brush,
     const glm::mat4& ortho,
-    bool copy_blend_destination,
-    bool draw_checkerboard)
+    bool copy_blend_destination)
 {
     return pp::panopainter::LegacyCanvasDrawMergeLayerCompositeExecution {
         .execute_temporary_erase = [&] {
@@ -646,7 +643,6 @@ static pp::panopainter::LegacyCanvasDrawMergeLayerCompositeExecution make_canvas
                 ortho);
         },
         .execute_temporary_paint = [&] {
-            (void)draw_checkerboard;
             pp::panopainter::execute_legacy_canvas_draw_merge_temporary_composite(
                 make_canvas_draw_merge_temporary_paint_request(
                     canvas,
@@ -1696,8 +1692,7 @@ void Canvas::draw_merge_branch_orchestration(
         brush,
         ortho,
         use_blend,
-        copy_blend_destination,
-        draw_checkerboard);
+        copy_blend_destination);
 }
 
 void Canvas::draw_merge_final_plane_composite(