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Question by Kotlek · Mar 14, 2018 at 05:00 PM · shadershaderlab

sprite with shader penetration other sprite problem on iPad

Hello!

First, I'm not good at English.

So please, I want you to understand even if my expression is a little strange.

My shader is penetration problem to other sprites, likes gilitch.

Below is a screenshot of the problem.

The red lines are a shader-applied sprite.(for cloud shadow)

And the blue line is the area that should not be seen.

The back sprite is coming out through the front sprite.

(on Mac mini, iPad 2)

alt text

In Android(Samsung Galaxy S7), window desktop and Macbook Pro are normal.

I use very simple shader by ShaderLab Code.(LinearBurn)

Shader code is below.

 Shader "Custom/LinearBurn" {
     Properties    {
         _Color("Main Color", Color) = (0,0,1,0)
         _MainTex("Base (RGB), Alpha (A)", 2D) = "" {}
     }
         SubShader{
             Tags{ "Queue" = "Transparent" "RenderType" = "Transparent" }
             Pass{
 
                 Name "Linear Burn"
 
                 BlendOp RevSub
                 Blend SrcAlpha One
 
                 SetTexture[_MainTex]{ combine texture }
             }
         }
 
         FallBack "Diffuse"
 }


What should I do?

Is this problem just based on hardware or graphics library?

Any help would be great.

error-pic.png (490.8 kB)
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