// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'

/************************************************************************************

Copyright   :   Copyright 2014 Oculus VR, LLC. All Rights reserved.

Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License");
you may not use the Oculus VR Rift SDK except in compliance with the License,
which is provided at the time of installation or download, or which
otherwise accompanies this software in either electronic or hard copy form.

You may obtain a copy of the License at

http://www.oculusvr.com/licenses/LICENSE-3.2

Unless required by applicable law or agreed to in writing, the Oculus VR SDK
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

************************************************************************************/

// Unlit alpha-blended shader.
// - no lighting
// - no lightmap support
// - supports tint color

Shader "Unlit/Transparent HUD (CapturePanorama)" {

	Properties
	{
		_MainTex ("Base (RGB), Alpha (A)", 2D) = "white" {}
		_Color ("Main Color", Color) = (0.5,0.5,0.5,0.5)
	}
	
	SubShader
	{
		LOD 100

		Tags
		{
			"Queue" = "Transparent+99"
			"IgnoreProjector" = "True"
			"RenderType" = "Transparent"
		}
		
		Cull Off
		Lighting Off
		ZTest Always
		ZWrite Off
		Fog { Mode Off }
		Offset -1, -1
		Blend SrcAlpha OneMinusSrcAlpha

		Pass
		{
			CGPROGRAM
				#pragma vertex vert
				#pragma fragment frag
				
				#include "UnityCG.cginc"
	
				struct appdata_t
				{
					float4 vertex : POSITION;
					float2 texcoord : TEXCOORD0;
					fixed4 color : COLOR;
				};
	
				struct v2f
				{
					float4 vertex : SV_POSITION;
					half2 texcoord : TEXCOORD0;
					fixed4 color : COLOR;
				};
	
				sampler2D _MainTex;
				float4 _MainTex_ST;
				fixed4 _Color;
				
				v2f vert (appdata_t v)
				{
					v2f o;
					o.vertex = UnityObjectToClipPos(v.vertex);
					o.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex);
					o.color = v.color;
					return o;
				}
				
				fixed4 frag (v2f i) : COLOR
				{
					fixed4 col = tex2D(_MainTex, i.texcoord) * i.color * _Color;
					return col;
				}
			ENDCG
		}
	}
	
	
}