I'm using a stencil buffer on a sprite. After I upgraded my sprite show very transparent and blocky. I am pretty much a noob at graphics programming and curious if some API was changed. Thanks for any insight. Code (csharp): Shader "PortalShader/PortalSPRITE" { Properties { _StencilMask("PORTAL REFERENCE", Int) = 0 [PerRendererData] _MainTex ("Sprite Texture", 2D) = "white" {} _Color ("Tint", Color) = (1,1,1,1) [MaterialToggle] PixelSnap ("Pixel snap", Float) = 0 } SubShader { Tags { "Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent" "PreviewType"="Plane" "CanUseSpriteAtlas"="True" } Cull Off Lighting Off ZWrite Off Blend One OneMinusSrcAlpha Stencil { Ref[_StencilMask] Comp Equal //Pass keep } Pass { CGPROGRAM #pragma vertex vert #pragma fragment frag #pragma target 2.0 #pragma multi_compile _ PIXELSNAP_ON #pragma multi_compile _ ETC1_EXTERNAL_ALPHA #include "UnityCG.cginc" struct appdata_t { float4 vertex : POSITION; float4 color : COLOR; float2 texcoord : TEXCOORD0; UNITY_VERTEX_INPUT_INSTANCE_ID }; struct v2f { float4 vertex : SV_POSITION; fixed4 color : COLOR; float2 texcoord : TEXCOORD0; UNITY_VERTEX_OUTPUT_STEREO }; fixed4 _Color; v2f vert(appdata_t IN) { v2f OUT; UNITY_SETUP_INSTANCE_ID(IN); UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(OUT); OUT.vertex = UnityObjectToClipPos(IN.vertex); OUT.texcoord = IN.texcoord; OUT.color = IN.color * _Color; #ifdef PIXELSNAP_ON OUT.vertex = UnityPixelSnap (OUT.vertex); #endif return OUT; } sampler2D _MainTex; sampler2D _AlphaTex; fixed4 SampleSpriteTexture (float2 uv) { fixed4 color = tex2D (_MainTex, uv); #if ETC1_EXTERNAL_ALPHA // get the color from an external texture (usecase: Alpha support for ETC1 on android) color.a = tex2D (_AlphaTex, uv).r; #endif //ETC1_EXTERNAL_ALPHA return color; } fixed4 frag(v2f IN) : SV_Target { fixed4 c = SampleSpriteTexture (IN.texcoord) * IN.color; c.rgb *= c.a; return c; } ENDCG } } }
I found my solution here: http://answers.unity3d.com/questions/1333938/custom-sprite-shader-works-in-55-not-56.html