Torque3D-clone/Templates/Empty/game/shaders/common/projectedShadowP.hlsl

//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------

#include "shaderModel.hlsl"

struct Conn
{
   float4 position : TORQUE_POSITION;
   float4 color : COLOR0;
   float2 texCoord	: TEXCOORD0;
   float fade : TEXCOORD1;
};

TORQUE_UNIFORM_SAMPLER2D(inputTex, 0);
uniform float4 ambient;

float4 main( Conn IN ) : TORQUE_TARGET0
{
   float shadow = TORQUE_TEX2D( inputTex, IN.texCoord ).a * IN.color.a;           
   return ( ambient * shadow ) + ( 1 - shadow );
}