fragment_program SSAO/UnsharpMask_fp_hlsl hlsl
{
    source UnsharpMask.hlsl
    entry_point UnsharpMask_fp
    target ps_4_0
}

fragment_program SSAO/UnsharpMask/GaussianBlurX_fp_hlsl hlsl
{
    source UnsharpMask.hlsl
    entry_point GaussianBlurX_fp
    target ps_4_0
}

fragment_program SSAO/UnsharpMask/GaussianBlurY_fp_hlsl hlsl
{
    source UnsharpMask.hlsl
    entry_point GaussianBlurY_fp
    target ps_4_0
}

fragment_program SSAO/UnsharpMask_fp_cg cg
{
    source UnsharpMask.cg
    entry_point UnsharpMask_fp
    profiles ps_2_0 arbfp1
}

fragment_program SSAO/UnsharpMask/GaussianBlurX_fp_cg cg
{
    source UnsharpMask.cg
    entry_point GaussianBlurX_fp
    profiles ps_2_0 arbfp1
}

fragment_program SSAO/UnsharpMask/GaussianBlurY_fp_cg cg
{
    source UnsharpMask.cg
    entry_point GaussianBlurY_fp
    profiles ps_2_0 arbfp1
}

fragment_program SSAO/UnsharpMask_fp_glsl glsl
{
    source UnsharpMaskFP.glsl

	default_params
	{
		param_named blurred int 0
		param_named mrt0 int 1
	}
}

fragment_program SSAO/UnsharpMask/GaussianBlurX_fp_glsl glsl
{
    source GaussianBlurXFP.glsl

	default_params
	{
		param_named mrt1 int 0
	}	
}

fragment_program SSAO/UnsharpMask/GaussianBlurY_fp_glsl glsl
{
    source GaussianBlurYFP.glsl

	default_params
	{
		param_named mrt1 int 0
	}
}

fragment_program SSAO/UnsharpMask_fp unified
{
	delegate SSAO/UnsharpMask_fp_glsl 
	delegate SSAO/UnsharpMask_fp_hlsl 
	delegate SSAO/UnsharpMask_fp_cg
}

fragment_program SSAO/UnsharpMask/GaussianBlurX_fp unified
{
	delegate SSAO/UnsharpMask/GaussianBlurX_fp_glsl 
	delegate SSAO/UnsharpMask/GaussianBlurX_fp_hlsl 
	delegate SSAO/UnsharpMask/GaussianBlurX_fp_cg
}

fragment_program SSAO/UnsharpMask/GaussianBlurY_fp unified
{
	delegate SSAO/UnsharpMask/GaussianBlurY_fp_glsl 
	delegate SSAO/UnsharpMask/GaussianBlurY_fp_hlsl 
	delegate SSAO/UnsharpMask/GaussianBlurY_fp_cg
}

material SSAO/UnsharpMask/GaussianBlurX
{
    technique
    {
        pass
        {
            depth_check off
            
			vertex_program_ref Ogre/Compositor/StdQuad_vp {}
            fragment_program_ref SSAO/UnsharpMask/GaussianBlurX_fp
            {
                param_named_auto stepX inverse_viewport_width
				param_named cKernelWidthBias float 1
            }
            
            texture_unit
            {
                content_type compositor SSAO/GBuffer mrt 0
                tex_address_mode clamp
                filtering none
            }
        }
    }
}

material SSAO/UnsharpMask/GaussianBlurY
{
    technique
    {
        pass
        {
            depth_check off
        
			vertex_program_ref Ogre/Compositor/StdQuad_vp {}
            fragment_program_ref SSAO/UnsharpMask/GaussianBlurY_fp
            {
                param_named_auto stepY inverse_viewport_height
				param_named cKernelWidthBias float 1
            }
            
            texture_unit
            {
                content_type compositor SSAO/GBuffer mrt 0
                tex_address_mode clamp
                filtering none
            }
        }
    }
}

material SSAO/UnsharpMask
{
    technique
    {
        pass
        {
            depth_check off

			vertex_program_ref Ogre/Compositor/StdQuad_vp {}
            fragment_program_ref SSAO/UnsharpMask_fp 
			{
				param_named cLambda float 5
			}
            
            texture_unit // blurred depth buffer
            {
                tex_address_mode clamp
                filtering none
            }
            
            texture_unit // original depth buffer
            {
                content_type compositor SSAO/GBuffer mrt 0
                tex_address_mode clamp
                filtering none
            }
        }
    }
}
