25
2015
Opaque Sprite Shader
(screenshot of modified shader properties in debug view mode)
Modified built-in sprite shader so that its opaque, no color tint, and pixel snap is always on.
Just to test if there are any performance benefits to use them for opaque sprite tiles, at least the compiled shader stats seems to be lighter.
You can download built-in shader sources at: https://unity3d.com/get-unity/download/archive
Default Sprite shader compiled stats:
1 2 3 4 5 6 7 8 | // Stats for Vertex shader: // d3d11 : 8 avg math (5..11) // d3d11_9x : 8 avg math (5..11) // d3d9 : 13 avg math (6..21) // Stats for Fragment shader: // d3d11 : 2 math, 2 texture, 1 branch // d3d11_9x : 2 math, 2 texture, 1 branch // d3d9 : 5 math, 2 texture |
Opaque Sprite shader compiled stats:
1 2 3 4 5 6 7 8 | // Stats for Vertex shader: // d3d11 : 10 math // d3d11_9x : 10 math // d3d9 : 20 math // Stats for Fragment shader: // d3d11 : 0 math, 1 texture // d3d11_9x : 0 math, 1 texture // d3d9 : 2 math, 1 texture |
Modified Sprite shader source:
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Shader "Sprites/OpaqueSnapNoTint" | |
{ | |
Properties | |
{ | |
[PerRendererData] _MainTex ("Sprite Texture", 2D) = "white" {} | |
} | |
SubShader | |
{ | |
Tags | |
{ | |
"Queue"="Geometry" | |
"IgnoreProjector"="True" | |
"RenderType"="Opaque" | |
"PreviewType"="Plane" | |
"CanUseSpriteAtlas"="True" | |
} | |
Cull Off | |
Lighting Off | |
ZWrite Off | |
Pass | |
{ | |
CGPROGRAM | |
#pragma vertex vert | |
#pragma fragment frag | |
#pragma multi_compile _ PIXELSNAP_ON | |
#include "UnityCG.cginc" | |
struct appdata_t | |
{ | |
float4 vertex : POSITION; | |
float2 texcoord : TEXCOORD0; | |
}; | |
struct v2f | |
{ | |
float4 vertex : SV_POSITION; | |
half2 texcoord : TEXCOORD0; | |
}; | |
v2f vert(appdata_t IN) | |
{ | |
v2f OUT; | |
OUT.vertex = UnityPixelSnap(mul(UNITY_MATRIX_MVP, IN.vertex)); | |
OUT.texcoord = IN.texcoord; | |
return OUT; | |
} | |
sampler2D _MainTex; | |
fixed4 frag(v2f IN) : SV_Target | |
{ | |
fixed4 c = tex2D(_MainTex, IN.texcoord); | |
return c; | |
} | |
ENDCG | |
} | |
} | |
} |
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