From 6775f6e463d2359f357bd319ecfeb221367853f2 Mon Sep 17 00:00:00 2001
From: Hermet Park <hermet@lottiefiles.com>
Date: Tue, 10 Sep 2024 14:53:11 +0900
Subject: [PATCH] sw_engine: blending stabilization++

Currently, only blending might work.
Blending and composition must be handled together.
---
 src/renderer/sw_engine/tvgSwRenderer.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/renderer/sw_engine/tvgSwRenderer.cpp b/src/renderer/sw_engine/tvgSwRenderer.cpp
index 5877aa32..5492503c 100644
--- a/src/renderer/sw_engine/tvgSwRenderer.cpp
+++ b/src/renderer/sw_engine/tvgSwRenderer.cpp
@@ -602,7 +602,10 @@ Compositor* SwRenderer::target(const RenderRegion& region, ColorSpace cs)
     cmp->w = cmp->compositor->image.w;
     cmp->h = cmp->compositor->image.h;
 
-    rasterClear(cmp, x, y, w, h, (surface->blendMethod == BlendMethod::Normal) ? 0x00000000 : 0x00ffffff);
+    /* TODO: Currently, only blending might work.
+       Blending and composition must be handled together. */
+    auto color = (surface->blender && !surface->compositor) ? 0x00ffffff : 0x00000000;
+    rasterClear(cmp, x, y, w, h, color);
 
     //Switch render target
     surface = cmp;