source: GTP/trunk/App/Demos/Illum/IBRBillboardCloudTrees/Shark3D/demo_v5x0x7_t164x31u_enterpr_kwin32/src/res/levelutil/shader/prog/d3d9_hlsl/gen_shmap_indirect_texturing_d3d9_hlsl_ps2x0.s3d_shadercode @ 2330

///////////////////////////////////////////////////////////////////////////////
//
//      ##  ######
//       ######  ###
//  ## ###############        Shark 3D Engine (www.shark3d.com)
//   ########## # # #
//    ########                Copyright (c) 1996-2006 Spinor GmbH.
//   ######### # # #          All rights reserved.
//  ##   ##########
//      ##
//
///////////////////////////////////////////////////////////////////////////////

struct PS_INPUT
{
    float2 texCoord0: TEXCOORD0;
    float2 texCoord1: TEXCOORD1;
    float2 depthScr: TEXCOORD2;
};

///////////////////////////////////////////////////////////////////////////////
// Pixelshader
// Profile: 2x0

sampler tex0: register(s0);
sampler tex1: register(s1);

float4 main(PS_INPUT input): COLOR0
{

   float sourceTextureSize = 16.0;
   float sqrtNumSamples = 4.0;
   float epsilonX = -0.35;
   float epsilonY = -0.06;

   float2 epsilon = float2(epsilonX, epsilonY);
   float4 value = tex2D(tex0, input.texCoord1).xyzw;
   float2 coords = float2(0.0, 1.0) - abs(input.texCoord0 - ( value.xy - epsilon ) );

   float2 depthScr = input.depthScr;

   //if (value.w != 0.0) 
   //{  
        float2 newcoord = (float2(1.0, 1.0) - value.zw) + ((coords * sourceTextureSize) / sqrtNumSamples);
                float fragDepth = clamp(depthScr.x / depthScr.y, 0, 1);
                //if (tex2D(tex1, newcoord).w != 0.0)
                //{
          //       return fragDepth.x;
                //}
                //else
                //{
                //   //discard;
                //   clip(-1.0);
                //} 
  //}   
        //else
        //{
        //   //discard;
        //   clip(-1.0);
        //} 
        
        return fragDepth.x * tex2D(tex1, input.texCoord0).w * value.w;
  
}

///////////////////////////////////////////////////////////////////////////////