From 09842419548755e56c6b24cb1ee3fbea72c12457 Mon Sep 17 00:00:00 2001
From: Hermet Park <chuneon.park@samsung.com>
Date: Thu, 11 Mar 2021 20:10:11 +0900
Subject: [PATCH] sw_engine fill: correct value loss by data conversion.

---
 src/lib/sw_engine/tvgSwFill.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/lib/sw_engine/tvgSwFill.cpp b/src/lib/sw_engine/tvgSwFill.cpp
index 676cd6eb..79ae1ae0 100644
--- a/src/lib/sw_engine/tvgSwFill.cpp
+++ b/src/lib/sw_engine/tvgSwFill.cpp
@@ -248,8 +248,8 @@ void fillFetchLinear(const SwFill* fill, uint32_t* dst, uint32_t y, uint32_t x,
 
     //we can use fixed point math
     if (v < vMax && v > vMin) {
-        auto t2 = static_cast<uint32_t>(t * FIXPT_SIZE);
-        auto inc2 = static_cast<uint32_t>(inc * FIXPT_SIZE);
+        auto t2 = static_cast<int32_t>(t * FIXPT_SIZE);
+        auto inc2 = static_cast<int32_t>(inc * FIXPT_SIZE);
         for (uint32_t j = 0; j < len; ++j) {
             *dst = _fixedPixel(fill, t2);
             ++dst;