From 7376c0c2f9aa4baf63eab69e7350c0a44f8c0a4b Mon Sep 17 00:00:00 2001
From: Michael Goeke <michael.goeke@gmail.com>
Date: Mon, 23 Feb 2026 20:39:45 -0800
Subject: [PATCH] addresses #54, setBlendMode('alpha', 'premultiplied') before
 applying shaders to avoid alpha multiplied twice

---
 push.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/push.lua b/push.lua
index b22f698..531f21a 100644
--- a/push.lua
+++ b/push.lua
@@ -150,6 +150,8 @@ end
 
 function push:applyShaders(canvas, shaders)
   local _shader = love.graphics.getShader()
+  local _blendMode, _alphaMode = love.graphics.getBlendMode()
+  love.graphics.setBlendMode("alpha", "premultiplied")
   if #shaders <= 1 then
     love.graphics.setShader(shaders[1])
     love.graphics.draw(canvas)
@@ -180,6 +182,7 @@ function push:applyShaders(canvas, shaders)
     love.graphics.draw(outputCanvas)
   end
   love.graphics.setShader(_shader)
+  love.graphics.setBlendMode(_blendMode, _alphaMode)
 end
 
 function push:finish(shader)