source: GTP/trunk/App/Demos/Illum/IBRBillboardCloudTrees/Shark3D/demo_v5x0x7_t164x31u_enterpr_kwin32/src/res/levelutil/shader/prog/d3d9_hlsl/indirect_texturing_black_d3d9_hlsl_ps2x0.s3d_shadercode @ 2330

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

struct PS_INPUT
{
    float4 diffuse: COLOR0;
    float2 texCoord0: TEXCOORD0;
    float2 texCoord1: TEXCOORD1;
};

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

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

float sourceTextureSize;
float epsilonX;
float epsilonY;
float sqrtNumSamples;

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

float4 main(PS_INPUT input): COLOR0
{
   sourceTextureSize = 16.0;
   sqrtNumSamples = 4.0;
   epsilonX = -0.35;
   epsilonY = -0.06;

   float4 ocolor = float4(0.0, 1.0, 0.0, 0.0);
   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 ) );

   if (value.w != 0.0) 
   {    
        float2 newcoord = (float2(1.0, 1.0) - value.zw) + ((coords * sourceTextureSize) / sqrtNumSamples);
        ocolor = float4(tex2D(tex1, newcoord).xyzw);
   }
   return ocolor;
   //return tex2D(tex1, input.texCoord0);
}

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