From 87c175660d1f9b09bb43bf987951cd81c3f016ff Mon Sep 17 00:00:00 2001
From: Neil Kollack <nkollack@gmail.com>
Date: Fri, 15 Apr 2022 14:45:31 -0500
Subject: feat: Start Screen

---
 Assets/TextMesh Pro/Shaders/TMP_Bitmap.shader | 143 ++++++++++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 Assets/TextMesh Pro/Shaders/TMP_Bitmap.shader

(limited to 'Assets/TextMesh Pro/Shaders/TMP_Bitmap.shader')

diff --git a/Assets/TextMesh Pro/Shaders/TMP_Bitmap.shader b/Assets/TextMesh Pro/Shaders/TMP_Bitmap.shader
new file mode 100644
index 0000000..8ce4937
--- /dev/null
+++ b/Assets/TextMesh Pro/Shaders/TMP_Bitmap.shader	
@@ -0,0 +1,143 @@
+Shader "TextMeshPro/Bitmap" {
+
+Properties {
+	_MainTex		("Font Atlas", 2D) = "white" {}
+	_FaceTex		("Font Texture", 2D) = "white" {}
+	[HDR]_FaceColor	("Text Color", Color) = (1,1,1,1)
+
+	_VertexOffsetX	("Vertex OffsetX", float) = 0
+	_VertexOffsetY	("Vertex OffsetY", float) = 0
+	_MaskSoftnessX	("Mask SoftnessX", float) = 0
+	_MaskSoftnessY	("Mask SoftnessY", float) = 0
+
+	_ClipRect("Clip Rect", vector) = (-32767, -32767, 32767, 32767)
+
+	_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
+
+	_CullMode("Cull Mode", Float) = 0
+	_ColorMask("Color Mask", Float) = 15
+}
+
+SubShader{
+
+	Tags { "Queue" = "Transparent" "IgnoreProjector" = "True" "RenderType" = "Transparent" }
+
+	Stencil
+	{
+		Ref[_Stencil]
+		Comp[_StencilComp]
+		Pass[_StencilOp]
+		ReadMask[_StencilReadMask]
+		WriteMask[_StencilWriteMask]
+	}
+
+
+	Lighting Off
+	Cull [_CullMode]
+	ZTest [unity_GUIZTestMode]
+	ZWrite Off
+	Fog { Mode Off }
+	Blend SrcAlpha OneMinusSrcAlpha
+	ColorMask[_ColorMask]
+
+	Pass {
+		CGPROGRAM
+		#pragma vertex vert
+		#pragma fragment frag
+
+		#pragma multi_compile __ UNITY_UI_CLIP_RECT
+		#pragma multi_compile __ UNITY_UI_ALPHACLIP
+
+
+		#include "UnityCG.cginc"
+
+		struct appdata_t {
+			float4 vertex		: POSITION;
+			fixed4 color		: COLOR;
+			float2 texcoord0	: TEXCOORD0;
+			float2 texcoord1	: TEXCOORD1;
+		};
+
+		struct v2f {
+			float4	vertex		: SV_POSITION;
+			fixed4	color		: COLOR;
+			float2	texcoord0	: TEXCOORD0;
+			float2	texcoord1	: TEXCOORD1;
+			float4	mask		: TEXCOORD2;
+		};
+
+		uniform	sampler2D 	_MainTex;
+		uniform	sampler2D 	_FaceTex;
+		uniform float4		_FaceTex_ST;
+		uniform	fixed4		_FaceColor;
+
+		uniform float		_VertexOffsetX;
+		uniform float		_VertexOffsetY;
+		uniform float4		_ClipRect;
+		uniform float		_MaskSoftnessX;
+		uniform float		_MaskSoftnessY;
+
+		float2 UnpackUV(float uv)
+		{
+			float2 output;
+			output.x = floor(uv / 4096);
+			output.y = uv - 4096 * output.x;
+
+			return output * 0.001953125;
+		}
+
+		v2f vert (appdata_t v)
+		{
+			float4 vert = v.vertex;
+			vert.x += _VertexOffsetX;
+			vert.y += _VertexOffsetY;
+
+			vert.xy += (vert.w * 0.5) / _ScreenParams.xy;
+
+			float4 vPosition = UnityPixelSnap(UnityObjectToClipPos(vert));
+
+			fixed4 faceColor = v.color;
+			faceColor *= _FaceColor;
+
+			v2f OUT;
+			OUT.vertex = vPosition;
+			OUT.color = faceColor;
+			OUT.texcoord0 = v.texcoord0;
+			OUT.texcoord1 = TRANSFORM_TEX(UnpackUV(v.texcoord1), _FaceTex);
+			float2 pixelSize = vPosition.w;
+			pixelSize /= abs(float2(_ScreenParams.x * UNITY_MATRIX_P[0][0], _ScreenParams.y * UNITY_MATRIX_P[1][1]));
+
+			// Clamp _ClipRect to 16bit.
+			float4 clampedRect = clamp(_ClipRect, -2e10, 2e10);
+			OUT.mask = float4(vert.xy * 2 - clampedRect.xy - clampedRect.zw, 0.25 / (0.25 * half2(_MaskSoftnessX, _MaskSoftnessY) + pixelSize.xy));
+
+			return OUT;
+		}
+
+		fixed4 frag (v2f IN) : SV_Target
+		{
+			fixed4 color = tex2D(_MainTex, IN.texcoord0);
+			color = fixed4 (tex2D(_FaceTex, IN.texcoord1).rgb * IN.color.rgb, IN.color.a * color.a);
+
+			// Alternative implementation to UnityGet2DClipping with support for softness.
+			#if UNITY_UI_CLIP_RECT
+				half2 m = saturate((_ClipRect.zw - _ClipRect.xy - abs(IN.mask.xy)) * IN.mask.zw);
+				color *= m.x * m.y;
+			#endif
+
+			#if UNITY_UI_ALPHACLIP
+				clip(color.a - 0.001);
+			#endif
+
+			return color;
+		}
+		ENDCG
+	}
+}
+
+	CustomEditor "TMPro.EditorUtilities.TMP_BitmapShaderGUI"
+}
-- 
cgit v1.2.3-70-g09d2