GRAPHICS: Initialize mask in FllodFill when required

1 files changed, 10 insertions, 2 deletions

diff --git a/graphics/surface.cpp b/graphics/surface.cpp
index 5f8796566c..699e1ccd22 100644
--- a/graphics/surface.cpp
+++ b/graphics/surface.cpp
@@ -508,6 +508,11 @@ FloodFill::FloodFill(Graphics::Surface *surface, uint32 oldColor, uint32 fillCol
 	_mask = nullptr;
 	_maskMode = maskMode;
 
+	if (_maskMode) {
+		_mask = new Graphics::Surface();
+		_mask->create(_w, _h, Graphics::PixelFormat::createFormatCLUT8()); // Uses calloc()
+	}
+
 	_visited = (byte *)calloc(_w * _h, 1);
 }
 
@@ -588,10 +593,13 @@ void FloodFill::fill() {
 }
 
 void FloodFill::fillMask() {
-	_mask = new Graphics::Surface();
-	_mask->create(_w, _h, Graphics::PixelFormat::createFormatCLUT8()); // Uses calloc()
 	_maskMode = true;
 
+	if (!_mask) {
+		_mask = new Graphics::Surface();
+		_mask->create(_w, _h, Graphics::PixelFormat::createFormatCLUT8()); // Uses calloc()
+	}
+
 	fill();
 }