//---------------------------------------------------
//Bloom2: Dark Sylinc's Bloom implementation
//     Ogre/Compositor/BloomBlend is the final material applied.
//     it has 2 parameters:
//             OriginalImageWeight float
//             BlurWeight float
//  Usually they range from 0.0 to 1.0; but it can be any number
//  higher numbers will result in a brighter scene. Increment BlurWeight
//  to obtain increase Bloom effect.
//  Works faster on my GeForce 6200 256 MB AGP 8x (Chip NV 43 Rev a1)
//  than Manuel's bloom. (And at my opinion, looks nicer ;)
//  Unlike Manuel's bloom, we apply a bright high-filter pass
//Copyright (C) Dark Sylinc 2007-2008
//---------------------------------------------------

fragment_program Bloom/BlurV_ps/HLSL hlsl
{
	source compositors/BlurV.glsl
	target ps_3_0
}

fragment_program Bloom/BlurV_ps/GL glsl glsles glslang
{
	source compositors/BlurV.glsl
}

fragment_program Bloom/BlurV_ps unified
{
	delegate Bloom/BlurV_ps/GL
	delegate Bloom/BlurV_ps/HLSL
}

fragment_program Bloom/BlurH_ps/HLSL hlsl
{
	source compositors/BlurH.glsl
	target ps_3_0
}

fragment_program Bloom/BlurH_ps/GL glsl glsles glslang
{
	source compositors/BlurH.glsl
}

fragment_program Bloom/BlurH_ps unified
{
	delegate Bloom/BlurH_ps/GL
	delegate Bloom/BlurH_ps/HLSL
}

fragment_program Bloom/BrightBloom2_ps glsl glsles glslang hlsl
{
	source compositors/BrightBloom2.glsl
}

fragment_program Bloom/Bloom2_ps_GL glsl glsles
{
	source compositors/Bloom2.glsl
	default_params
	{
		param_named RT int 0
		param_named Blur1 int 1
	}
}

fragment_program Bloom/Bloom2_ps_HLSL hlsl glslang
{
	source compositors/Bloom2.glsl
	target ps_3_0
}

fragment_program Bloom/Bloom2_ps unified
{
	delegate Bloom/Bloom2_ps_GL
	delegate Bloom/Bloom2_ps_HLSL
}

//Blur: Horizontal Gaussian pass
material Ogre/Compositor/BlurH
{
	technique
	{
		pass
		{
			cull_hardware none
			depth_check off
      polygon_mode_overrideable false

      vertex_program_ref Ogre/Compositor/StdQuad_Tex2_vp
			{
			}
      
			fragment_program_ref Bloom/BlurH_ps
			{
			}
      
			texture_unit
			{
				tex_coord_set 0
				tex_address_mode clamp
				filtering trilinear
			}
		}
	}
}

//Blur: Vertical Gaussian pass
material Ogre/Compositor/BlurV
{
	technique
	{
		pass
		{
			cull_hardware none
			depth_check off
      polygon_mode_overrideable false

      vertex_program_ref Ogre/Compositor/StdQuad_Tex2_vp
			{
			}
      
			fragment_program_ref Bloom/BlurV_ps
			{
			}
      
			texture_unit
			{
				tex_coord_set 0
				tex_address_mode clamp
				filtering trilinear
			}
		}
	}
}

//Final Bloom pass: Blends the blurred with the sharp image
material Ogre/Compositor/BloomBlend2
{
  technique
  {
    pass
    {
      cull_hardware none
      depth_check off
      polygon_mode_overrideable false
      
      vertex_program_ref Ogre/Compositor/StdQuad_Tex2_vp
      {
      }
 
      fragment_program_ref Bloom/Bloom2_ps
      {
        param_named OriginalImageWeight float 1.0
        param_named BlurWeight float 0.65
      }
      
      texture_unit
      {
        tex_coord_set 0
        tex_address_mode clamp
        filtering none
      }
      
      texture_unit
      {
        tex_coord_set 0
        tex_address_mode clamp
        filtering trilinear
      }
    }
  }
}

//High-pass Bright filter
//First pass
material Ogre/Compositor/BrightPass2
{
  technique
  {
    pass
    {
      cull_hardware none
      depth_check off
      polygon_mode_overrideable false

      vertex_program_ref Ogre/Compositor/StdQuad_Tex2_vp
      {
      }

      fragment_program_ref Bloom/BrightBloom2_ps
      {
      }
      
      texture_unit
      {
        tex_address_mode clamp
        filtering none
      }
    }
  }
}