Unity HDR UI Text Shader

最新推荐文章于 2025-05-30 17:00:56 发布

lvcoc

最新推荐文章于 2025-05-30 17:00:56 发布

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分类专栏： unity shader 文章标签： unity ui 游戏引擎 shader

本文链接：https://blog.youkuaiyun.com/lvcoc/article/details/121780219

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这篇博客详细介绍了Unity中用于UI的无光照Shader的实现，包括属性设置、SubShader结构和Pass处理。文章通过示例代码展示了如何创建并应用Shader，用于控制透明度、颜色混合以及剪切等效果，适用于UI元素的渲染优化。

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毫无质量的一篇文章，只是找个地方存一下shader

Shader "Unlit/BloomUIDefalut"
{
	Properties
	{
		[PerRendererData] _MainTex("Sprite Texture", 2D) = "white" {}
		[HDR]_Color("Tint", Color) = (1,1,1,1)

		_StencilComp("Stencil Comparison", Float) = 8
		_Stencil("Stencil ID", Float) = 0
		_StencilOp("Stencil Operation", Float) = 0
		_StencilWriteMask("Stencil Write Mask", Float) = 255
		_StencilReadMask("Stencil Read Mask", Float) = 255

		_ColorMask("Color Mask", Float) = 15

		[Toggle(UNITY_UI_ALPHACLIP)] _UseUIAlphaClip("Use Alpha Clip", Float) = 0
	}

		SubShader
		{
			Tags
			{
				"Queue" = "Transparent"
				"IgnoreProjector" = "True"
				"RenderType" = "Transparent"
				"PreviewType" = "Plane"
				"CanUseSpriteAtlas" = "True"
			}

			Stencil
			{
				Ref[_Stencil]
				Comp[_StencilComp]
				Pass[_StencilOp]
				ReadMask[_StencilReadMask]
				WriteMask[_StencilWriteMask]
			}

			Cull Off
			Lighting Off
			ZWrite Off
			ZTest[unity_GUIZTestMode]
			Blend SrcAlpha OneMinusSrcAlpha
			ColorMask[_ColorMask]

			Pass
			{
				Name "Default"
			CGPROGRAM
				#pragma vertex vert
				#pragma fragment frag
				#pragma target 2.0

				#include "UnityCG.cginc"
				#include "UnityUI.cginc"

				#pragma multi_compile_local _ UNITY_UI_CLIP_RECT
				#pragma multi_compile_local _ UNITY_UI_ALPHACLIP

				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;
					float4 worldPosition : TEXCOORD1;
					UNITY_VERTEX_OUTPUT_STEREO
				};

				sampler2D _MainTex;
				fixed4 _Color;
				fixed4 _TextureSampleAdd;
				float4 _ClipRect;
				float4 _MainTex_ST;

				v2f vert(appdata_t v)
				{
					v2f OUT;
					UNITY_SETUP_INSTANCE_ID(v);
					UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(OUT);
					OUT.worldPosition = v.vertex;
					OUT.vertex = UnityObjectToClipPos(OUT.worldPosition);

					OUT.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex);

					OUT.color = v.color * _Color;
					return OUT;
				}

				fixed4 frag(v2f IN) : SV_Target
				{
					half4 color = (tex2D(_MainTex, IN.texcoord) + _TextureSampleAdd) * IN.color;

					#ifdef UNITY_UI_CLIP_RECT
					color.a *= UnityGet2DClipping(IN.worldPosition.xy, _ClipRect);
					#endif

					#ifdef UNITY_UI_ALPHACLIP
					clip(color.a - 0.001);
					#endif

					return color;
				}
			ENDCG
			}
		}
}