From 9e4037b4db9257ae765f5f6cfd85c71fc2797272 Mon Sep 17 00:00:00 2001
From: Mira Grudzinska <mira@lottiefiles.com>
Date: Fri, 13 Dec 2024 01:37:41 +0100
Subject: [PATCH] sw_engine: fix grad calculations

Added a term that was omitted during one of the refactorings.
---
 src/renderer/sw_engine/tvgSwFill.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/renderer/sw_engine/tvgSwFill.cpp b/src/renderer/sw_engine/tvgSwFill.cpp
index f70ba7a1..e012465b 100644
--- a/src/renderer/sw_engine/tvgSwFill.cpp
+++ b/src/renderer/sw_engine/tvgSwFill.cpp
@@ -487,6 +487,7 @@ void fillRadial(const SwFill* fill, uint8_t* dst, uint32_t y, uint32_t x, uint32
             auto src = MULTIPLY(A(_pixel(fill, sqrtf(det))), a);
             auto tmp = maskOp(src, *cmp, 0);
             *dst = tmp + MULTIPLY(*dst, ~tmp);
+            det += deltaDet;
             deltaDet += deltaDeltaDet;
             b += deltaB;
         }