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compositor pixelateFX
{
    technique
    {
        texture scene target_width target_height PF_BYTE_RGB
		
        // the scene we want to modulate
        target scene
        {
            input previous
        }



        target_output
        {
            input none
			shadows off

            pass render_quad
            {
                material modulatePixelate_out
                input 0 scene
            }
        }
    }
}

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vertex_program pixelate_out_vp hlsl
{
	source outline.hlsl
	entry_point outline_out_vp
    target vs_1_1 vs_2_0
    default_params
   	{
		param_named_auto worldViewProj worldviewproj_matrix
   	}
}

fragment_program pixelate_out hlsl
{
	source pixelate.hlsl
	entry_point pixelate_out
    target ps_3_0
    default_params
   	{
		 param_named pixelSize float 1
		 param_named_auto resoWidth viewport_width
		 param_named_auto resoHeigth viewport_height
   	}
}


material modulatePixelate_out
{
    technique
    {
        pass
        {
			vertex_program_ref pixelate_out_vp
			{
			}
			
			fragment_program_ref pixelate_out
			{
				param_named pixelSize float 1
				param_named_auto resoWidth viewport_width
				param_named_auto resoHeigth viewport_height
			}

            texture_unit
            {
				tex_address_mode border
                texture white.bmp
                filtering bilinear
				tex_address_mode clamp
            }
        }
    }
}

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struct VIn
{
    float4 p   : POSITION;
    float2 uv  : TEXCOORD0;
};

struct VOut
{
    float4 p   : SV_POSITION;
    float2 uv  : TEXCOORD0;
};

struct PIn
{
	float4 p   : SV_POSITION;
    float2 uv  : TEXCOORD0;
};

VOut pixelate_out_vs(VIn IN, uniform float4x4 wvp)
{
    VOut OUT;
    OUT.p = mul(wvp, IN.p);
    // clean up inaccuracies for the UV coords
    float2 uv = sign(IN.p);
    // convert to image space
    uv = (float2(uv.x, -uv.y) + 1.0) * 0.5;
    OUT.uv = uv;
    return OUT;
}


//-------------------------------
//Pixelate
//-------------------------------
float4 pixelate_out(float2 texCoord: TEXCOORD0,
		uniform float pixelSize,
		uniform float resoWidth ,
		uniform float resoHeigth ,
		uniform sampler RT: register(s0)
		) : COLOR {
	
	half dx = pixelSize*(1.0/resoWidth);
	half dy = pixelSize*(1.0/resoHeigth);
	texCoord = half2(dx*floor(texCoord.x/dx), dy*floor(texCoord.y/dy));
	
	float3 finalcol = tex2D(RT, texCoord).xyz;
		
	return float4(finalcol,1);
}

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postPIXELATE = Ogre::CompositorManager::getSingleton().addCompositor(playStatePtr->mviewport2, "pixelateFX");
postPIXELATE->setEnabled(level->IsPostPixel);
postPIXELATE->notifyResized();